Factor inverse transform functions into vpx_dsp
This commit moves the module inverse transform functions from vp9
to vpx_dsp folder. The hybrid transform wrapper functions stay in
the vp9 folder, since it involves codec-specific data structures.
Change-Id: Ib066367c953d3d024c73ba65157bbd70a95c9ef8
diff --git a/test/idct8x8_test.cc b/test/idct8x8_test.cc
index f488cb4..1a1a234 100644
--- a/test/idct8x8_test.cc
+++ b/test/idct8x8_test.cc
@@ -14,8 +14,7 @@
#include "third_party/googletest/src/include/gtest/gtest.h"
-#include "./vp9_rtcd.h"
-
+#include "./vpx_dsp_rtcd.h"
#include "test/acm_random.h"
#include "vpx/vpx_integer.h"
diff --git a/vp9/common/vp9_idct.c b/vp9/common/vp9_idct.c
index 174b96e..b15f7f3 100644
--- a/vp9/common/vp9_idct.c
+++ b/vp9/common/vp9_idct.c
@@ -11,283 +11,20 @@
#include <math.h>
#include "./vp9_rtcd.h"
-#include "vpx_ports/mem.h"
+#include "./vpx_dsp_rtcd.h"
#include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_idct.h"
#include "vp9/common/vp9_systemdependent.h"
-
-static INLINE uint8_t clip_pixel_add(uint8_t dest, tran_high_t trans) {
- trans = WRAPLOW(trans, 8);
- return clip_pixel(WRAPLOW(dest + trans, 8));
-}
-
-void vp9_iwht4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
-/* 4-point reversible, orthonormal inverse Walsh-Hadamard in 3.5 adds,
- 0.5 shifts per pixel. */
- int i;
- tran_low_t output[16];
- tran_high_t a1, b1, c1, d1, e1;
- const tran_low_t *ip = input;
- tran_low_t *op = output;
-
- for (i = 0; i < 4; i++) {
- a1 = ip[0] >> UNIT_QUANT_SHIFT;
- c1 = ip[1] >> UNIT_QUANT_SHIFT;
- d1 = ip[2] >> UNIT_QUANT_SHIFT;
- b1 = ip[3] >> UNIT_QUANT_SHIFT;
- a1 += c1;
- d1 -= b1;
- e1 = (a1 - d1) >> 1;
- b1 = e1 - b1;
- c1 = e1 - c1;
- a1 -= b1;
- d1 += c1;
- op[0] = WRAPLOW(a1, 8);
- op[1] = WRAPLOW(b1, 8);
- op[2] = WRAPLOW(c1, 8);
- op[3] = WRAPLOW(d1, 8);
- ip += 4;
- op += 4;
- }
-
- ip = output;
- for (i = 0; i < 4; i++) {
- a1 = ip[4 * 0];
- c1 = ip[4 * 1];
- d1 = ip[4 * 2];
- b1 = ip[4 * 3];
- a1 += c1;
- d1 -= b1;
- e1 = (a1 - d1) >> 1;
- b1 = e1 - b1;
- c1 = e1 - c1;
- a1 -= b1;
- d1 += c1;
- dest[stride * 0] = clip_pixel_add(dest[stride * 0], a1);
- dest[stride * 1] = clip_pixel_add(dest[stride * 1], b1);
- dest[stride * 2] = clip_pixel_add(dest[stride * 2], c1);
- dest[stride * 3] = clip_pixel_add(dest[stride * 3], d1);
-
- ip++;
- dest++;
- }
-}
-
-void vp9_iwht4x4_1_add_c(const tran_low_t *in, uint8_t *dest, int dest_stride) {
- int i;
- tran_high_t a1, e1;
- tran_low_t tmp[4];
- const tran_low_t *ip = in;
- tran_low_t *op = tmp;
-
- a1 = ip[0] >> UNIT_QUANT_SHIFT;
- e1 = a1 >> 1;
- a1 -= e1;
- op[0] = WRAPLOW(a1, 8);
- op[1] = op[2] = op[3] = WRAPLOW(e1, 8);
-
- ip = tmp;
- for (i = 0; i < 4; i++) {
- e1 = ip[0] >> 1;
- a1 = ip[0] - e1;
- dest[dest_stride * 0] = clip_pixel_add(dest[dest_stride * 0], a1);
- dest[dest_stride * 1] = clip_pixel_add(dest[dest_stride * 1], e1);
- dest[dest_stride * 2] = clip_pixel_add(dest[dest_stride * 2], e1);
- dest[dest_stride * 3] = clip_pixel_add(dest[dest_stride * 3], e1);
- ip++;
- dest++;
- }
-}
-
-static void idct4(const tran_low_t *input, tran_low_t *output) {
- tran_low_t step[4];
- tran_high_t temp1, temp2;
- // stage 1
- temp1 = (input[0] + input[2]) * cospi_16_64;
- temp2 = (input[0] - input[2]) * cospi_16_64;
- step[0] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step[1] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = input[1] * cospi_24_64 - input[3] * cospi_8_64;
- temp2 = input[1] * cospi_8_64 + input[3] * cospi_24_64;
- step[2] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step[3] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- // stage 2
- output[0] = WRAPLOW(step[0] + step[3], 8);
- output[1] = WRAPLOW(step[1] + step[2], 8);
- output[2] = WRAPLOW(step[1] - step[2], 8);
- output[3] = WRAPLOW(step[0] - step[3], 8);
-}
-
-void vp9_idct4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
- tran_low_t out[4 * 4];
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[4], temp_out[4];
-
- // Rows
- for (i = 0; i < 4; ++i) {
- idct4(input, outptr);
- input += 4;
- outptr += 4;
- }
-
- // Columns
- for (i = 0; i < 4; ++i) {
- for (j = 0; j < 4; ++j)
- temp_in[j] = out[j * 4 + i];
- idct4(temp_in, temp_out);
- for (j = 0; j < 4; ++j) {
- dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
- ROUND_POWER_OF_TWO(temp_out[j], 4));
- }
- }
-}
-
-void vp9_idct4x4_1_add_c(const tran_low_t *input, uint8_t *dest,
- int dest_stride) {
- int i;
- tran_high_t a1;
- tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8);
- out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8);
- a1 = ROUND_POWER_OF_TWO(out, 4);
-
- for (i = 0; i < 4; i++) {
- dest[0] = clip_pixel_add(dest[0], a1);
- dest[1] = clip_pixel_add(dest[1], a1);
- dest[2] = clip_pixel_add(dest[2], a1);
- dest[3] = clip_pixel_add(dest[3], a1);
- dest += dest_stride;
- }
-}
-
-static void idct8(const tran_low_t *input, tran_low_t *output) {
- tran_low_t step1[8], step2[8];
- tran_high_t temp1, temp2;
- // stage 1
- step1[0] = input[0];
- step1[2] = input[4];
- step1[1] = input[2];
- step1[3] = input[6];
- temp1 = input[1] * cospi_28_64 - input[7] * cospi_4_64;
- temp2 = input[1] * cospi_4_64 + input[7] * cospi_28_64;
- step1[4] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[7] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = input[5] * cospi_12_64 - input[3] * cospi_20_64;
- temp2 = input[5] * cospi_20_64 + input[3] * cospi_12_64;
- step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- // stage 2 & stage 3 - even half
- idct4(step1, step1);
-
- // stage 2 - odd half
- step2[4] = WRAPLOW(step1[4] + step1[5], 8);
- step2[5] = WRAPLOW(step1[4] - step1[5], 8);
- step2[6] = WRAPLOW(-step1[6] + step1[7], 8);
- step2[7] = WRAPLOW(step1[6] + step1[7], 8);
-
- // stage 3 -odd half
- step1[4] = step2[4];
- temp1 = (step2[6] - step2[5]) * cospi_16_64;
- temp2 = (step2[5] + step2[6]) * cospi_16_64;
- step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step1[7] = step2[7];
-
- // stage 4
- output[0] = WRAPLOW(step1[0] + step1[7], 8);
- output[1] = WRAPLOW(step1[1] + step1[6], 8);
- output[2] = WRAPLOW(step1[2] + step1[5], 8);
- output[3] = WRAPLOW(step1[3] + step1[4], 8);
- output[4] = WRAPLOW(step1[3] - step1[4], 8);
- output[5] = WRAPLOW(step1[2] - step1[5], 8);
- output[6] = WRAPLOW(step1[1] - step1[6], 8);
- output[7] = WRAPLOW(step1[0] - step1[7], 8);
-}
-
-void vp9_idct8x8_64_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
- tran_low_t out[8 * 8];
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[8], temp_out[8];
-
- // First transform rows
- for (i = 0; i < 8; ++i) {
- idct8(input, outptr);
- input += 8;
- outptr += 8;
- }
-
- // Then transform columns
- for (i = 0; i < 8; ++i) {
- for (j = 0; j < 8; ++j)
- temp_in[j] = out[j * 8 + i];
- idct8(temp_in, temp_out);
- for (j = 0; j < 8; ++j) {
- dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
- ROUND_POWER_OF_TWO(temp_out[j], 5));
- }
- }
-}
-
-void vp9_idct8x8_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
- int i, j;
- tran_high_t a1;
- tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8);
- out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8);
- a1 = ROUND_POWER_OF_TWO(out, 5);
- for (j = 0; j < 8; ++j) {
- for (i = 0; i < 8; ++i)
- dest[i] = clip_pixel_add(dest[i], a1);
- dest += stride;
- }
-}
-
-static void iadst4(const tran_low_t *input, tran_low_t *output) {
- tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
-
- tran_low_t x0 = input[0];
- tran_low_t x1 = input[1];
- tran_low_t x2 = input[2];
- tran_low_t x3 = input[3];
-
- if (!(x0 | x1 | x2 | x3)) {
- output[0] = output[1] = output[2] = output[3] = 0;
- return;
- }
-
- s0 = sinpi_1_9 * x0;
- s1 = sinpi_2_9 * x0;
- s2 = sinpi_3_9 * x1;
- s3 = sinpi_4_9 * x2;
- s4 = sinpi_1_9 * x2;
- s5 = sinpi_2_9 * x3;
- s6 = sinpi_4_9 * x3;
- s7 = x0 - x2 + x3;
-
- s0 = s0 + s3 + s5;
- s1 = s1 - s4 - s6;
- s3 = s2;
- s2 = sinpi_3_9 * s7;
-
- // 1-D transform scaling factor is sqrt(2).
- // The overall dynamic range is 14b (input) + 14b (multiplication scaling)
- // + 1b (addition) = 29b.
- // Hence the output bit depth is 15b.
- output[0] = WRAPLOW(dct_const_round_shift(s0 + s3), 8);
- output[1] = WRAPLOW(dct_const_round_shift(s1 + s3), 8);
- output[2] = WRAPLOW(dct_const_round_shift(s2), 8);
- output[3] = WRAPLOW(dct_const_round_shift(s0 + s1 - s3), 8);
-}
+#include "vpx_dsp/inv_txfm.h"
+#include "vpx_ports/mem.h"
void vp9_iht4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int stride,
int tx_type) {
const transform_2d IHT_4[] = {
- { idct4, idct4 }, // DCT_DCT = 0
- { iadst4, idct4 }, // ADST_DCT = 1
- { idct4, iadst4 }, // DCT_ADST = 2
- { iadst4, iadst4 } // ADST_ADST = 3
+ { idct4_c, idct4_c }, // DCT_DCT = 0
+ { iadst4_c, idct4_c }, // ADST_DCT = 1
+ { idct4_c, iadst4_c }, // DCT_ADST = 2
+ { iadst4_c, iadst4_c } // ADST_ADST = 3
};
int i, j;
@@ -314,88 +51,11 @@
}
}
-static void iadst8(const tran_low_t *input, tran_low_t *output) {
- int s0, s1, s2, s3, s4, s5, s6, s7;
-
- tran_high_t x0 = input[7];
- tran_high_t x1 = input[0];
- tran_high_t x2 = input[5];
- tran_high_t x3 = input[2];
- tran_high_t x4 = input[3];
- tran_high_t x5 = input[4];
- tran_high_t x6 = input[1];
- tran_high_t x7 = input[6];
-
- if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {
- output[0] = output[1] = output[2] = output[3] = output[4]
- = output[5] = output[6] = output[7] = 0;
- return;
- }
-
- // stage 1
- s0 = (int)(cospi_2_64 * x0 + cospi_30_64 * x1);
- s1 = (int)(cospi_30_64 * x0 - cospi_2_64 * x1);
- s2 = (int)(cospi_10_64 * x2 + cospi_22_64 * x3);
- s3 = (int)(cospi_22_64 * x2 - cospi_10_64 * x3);
- s4 = (int)(cospi_18_64 * x4 + cospi_14_64 * x5);
- s5 = (int)(cospi_14_64 * x4 - cospi_18_64 * x5);
- s6 = (int)(cospi_26_64 * x6 + cospi_6_64 * x7);
- s7 = (int)(cospi_6_64 * x6 - cospi_26_64 * x7);
-
- x0 = WRAPLOW(dct_const_round_shift(s0 + s4), 8);
- x1 = WRAPLOW(dct_const_round_shift(s1 + s5), 8);
- x2 = WRAPLOW(dct_const_round_shift(s2 + s6), 8);
- x3 = WRAPLOW(dct_const_round_shift(s3 + s7), 8);
- x4 = WRAPLOW(dct_const_round_shift(s0 - s4), 8);
- x5 = WRAPLOW(dct_const_round_shift(s1 - s5), 8);
- x6 = WRAPLOW(dct_const_round_shift(s2 - s6), 8);
- x7 = WRAPLOW(dct_const_round_shift(s3 - s7), 8);
-
- // stage 2
- s0 = (int)x0;
- s1 = (int)x1;
- s2 = (int)x2;
- s3 = (int)x3;
- s4 = (int)(cospi_8_64 * x4 + cospi_24_64 * x5);
- s5 = (int)(cospi_24_64 * x4 - cospi_8_64 * x5);
- s6 = (int)(-cospi_24_64 * x6 + cospi_8_64 * x7);
- s7 = (int)(cospi_8_64 * x6 + cospi_24_64 * x7);
-
- x0 = WRAPLOW(s0 + s2, 8);
- x1 = WRAPLOW(s1 + s3, 8);
- x2 = WRAPLOW(s0 - s2, 8);
- x3 = WRAPLOW(s1 - s3, 8);
- x4 = WRAPLOW(dct_const_round_shift(s4 + s6), 8);
- x5 = WRAPLOW(dct_const_round_shift(s5 + s7), 8);
- x6 = WRAPLOW(dct_const_round_shift(s4 - s6), 8);
- x7 = WRAPLOW(dct_const_round_shift(s5 - s7), 8);
-
- // stage 3
- s2 = (int)(cospi_16_64 * (x2 + x3));
- s3 = (int)(cospi_16_64 * (x2 - x3));
- s6 = (int)(cospi_16_64 * (x6 + x7));
- s7 = (int)(cospi_16_64 * (x6 - x7));
-
- x2 = WRAPLOW(dct_const_round_shift(s2), 8);
- x3 = WRAPLOW(dct_const_round_shift(s3), 8);
- x6 = WRAPLOW(dct_const_round_shift(s6), 8);
- x7 = WRAPLOW(dct_const_round_shift(s7), 8);
-
- output[0] = WRAPLOW(x0, 8);
- output[1] = WRAPLOW(-x4, 8);
- output[2] = WRAPLOW(x6, 8);
- output[3] = WRAPLOW(-x2, 8);
- output[4] = WRAPLOW(x3, 8);
- output[5] = WRAPLOW(-x7, 8);
- output[6] = WRAPLOW(x5, 8);
- output[7] = WRAPLOW(-x1, 8);
-}
-
static const transform_2d IHT_8[] = {
- { idct8, idct8 }, // DCT_DCT = 0
- { iadst8, idct8 }, // ADST_DCT = 1
- { idct8, iadst8 }, // DCT_ADST = 2
- { iadst8, iadst8 } // ADST_ADST = 3
+ { idct8_c, idct8_c }, // DCT_DCT = 0
+ { iadst8_c, idct8_c }, // ADST_DCT = 1
+ { idct8_c, iadst8_c }, // DCT_ADST = 2
+ { iadst8_c, iadst8_c } // ADST_ADST = 3
};
void vp9_iht8x8_64_add_c(const tran_low_t *input, uint8_t *dest, int stride,
@@ -425,400 +85,11 @@
}
}
-void vp9_idct8x8_12_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
- tran_low_t out[8 * 8] = { 0 };
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[8], temp_out[8];
-
- // First transform rows
- // only first 4 row has non-zero coefs
- for (i = 0; i < 4; ++i) {
- idct8(input, outptr);
- input += 8;
- outptr += 8;
- }
-
- // Then transform columns
- for (i = 0; i < 8; ++i) {
- for (j = 0; j < 8; ++j)
- temp_in[j] = out[j * 8 + i];
- idct8(temp_in, temp_out);
- for (j = 0; j < 8; ++j) {
- dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
- ROUND_POWER_OF_TWO(temp_out[j], 5));
- }
- }
-}
-
-static void idct16(const tran_low_t *input, tran_low_t *output) {
- tran_low_t step1[16], step2[16];
- tran_high_t temp1, temp2;
-
- // stage 1
- step1[0] = input[0/2];
- step1[1] = input[16/2];
- step1[2] = input[8/2];
- step1[3] = input[24/2];
- step1[4] = input[4/2];
- step1[5] = input[20/2];
- step1[6] = input[12/2];
- step1[7] = input[28/2];
- step1[8] = input[2/2];
- step1[9] = input[18/2];
- step1[10] = input[10/2];
- step1[11] = input[26/2];
- step1[12] = input[6/2];
- step1[13] = input[22/2];
- step1[14] = input[14/2];
- step1[15] = input[30/2];
-
- // stage 2
- step2[0] = step1[0];
- step2[1] = step1[1];
- step2[2] = step1[2];
- step2[3] = step1[3];
- step2[4] = step1[4];
- step2[5] = step1[5];
- step2[6] = step1[6];
- step2[7] = step1[7];
-
- temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
- temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
- step2[8] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[15] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
- temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
- step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
- temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
- step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
- temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
- step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- // stage 3
- step1[0] = step2[0];
- step1[1] = step2[1];
- step1[2] = step2[2];
- step1[3] = step2[3];
-
- temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
- temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
- step1[4] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[7] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
- temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
- step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- step1[8] = WRAPLOW(step2[8] + step2[9], 8);
- step1[9] = WRAPLOW(step2[8] - step2[9], 8);
- step1[10] = WRAPLOW(-step2[10] + step2[11], 8);
- step1[11] = WRAPLOW(step2[10] + step2[11], 8);
- step1[12] = WRAPLOW(step2[12] + step2[13], 8);
- step1[13] = WRAPLOW(step2[12] - step2[13], 8);
- step1[14] = WRAPLOW(-step2[14] + step2[15], 8);
- step1[15] = WRAPLOW(step2[14] + step2[15], 8);
-
- // stage 4
- temp1 = (step1[0] + step1[1]) * cospi_16_64;
- temp2 = (step1[0] - step1[1]) * cospi_16_64;
- step2[0] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[1] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
- temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
- step2[2] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[3] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step2[4] = WRAPLOW(step1[4] + step1[5], 8);
- step2[5] = WRAPLOW(step1[4] - step1[5], 8);
- step2[6] = WRAPLOW(-step1[6] + step1[7], 8);
- step2[7] = WRAPLOW(step1[6] + step1[7], 8);
-
- step2[8] = step1[8];
- step2[15] = step1[15];
- temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
- temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
- step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
- temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
- step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step2[11] = step1[11];
- step2[12] = step1[12];
-
- // stage 5
- step1[0] = WRAPLOW(step2[0] + step2[3], 8);
- step1[1] = WRAPLOW(step2[1] + step2[2], 8);
- step1[2] = WRAPLOW(step2[1] - step2[2], 8);
- step1[3] = WRAPLOW(step2[0] - step2[3], 8);
- step1[4] = step2[4];
- temp1 = (step2[6] - step2[5]) * cospi_16_64;
- temp2 = (step2[5] + step2[6]) * cospi_16_64;
- step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step1[7] = step2[7];
-
- step1[8] = WRAPLOW(step2[8] + step2[11], 8);
- step1[9] = WRAPLOW(step2[9] + step2[10], 8);
- step1[10] = WRAPLOW(step2[9] - step2[10], 8);
- step1[11] = WRAPLOW(step2[8] - step2[11], 8);
- step1[12] = WRAPLOW(-step2[12] + step2[15], 8);
- step1[13] = WRAPLOW(-step2[13] + step2[14], 8);
- step1[14] = WRAPLOW(step2[13] + step2[14], 8);
- step1[15] = WRAPLOW(step2[12] + step2[15], 8);
-
- // stage 6
- step2[0] = WRAPLOW(step1[0] + step1[7], 8);
- step2[1] = WRAPLOW(step1[1] + step1[6], 8);
- step2[2] = WRAPLOW(step1[2] + step1[5], 8);
- step2[3] = WRAPLOW(step1[3] + step1[4], 8);
- step2[4] = WRAPLOW(step1[3] - step1[4], 8);
- step2[5] = WRAPLOW(step1[2] - step1[5], 8);
- step2[6] = WRAPLOW(step1[1] - step1[6], 8);
- step2[7] = WRAPLOW(step1[0] - step1[7], 8);
- step2[8] = step1[8];
- step2[9] = step1[9];
- temp1 = (-step1[10] + step1[13]) * cospi_16_64;
- temp2 = (step1[10] + step1[13]) * cospi_16_64;
- step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = (-step1[11] + step1[12]) * cospi_16_64;
- temp2 = (step1[11] + step1[12]) * cospi_16_64;
- step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step2[14] = step1[14];
- step2[15] = step1[15];
-
- // stage 7
- output[0] = WRAPLOW(step2[0] + step2[15], 8);
- output[1] = WRAPLOW(step2[1] + step2[14], 8);
- output[2] = WRAPLOW(step2[2] + step2[13], 8);
- output[3] = WRAPLOW(step2[3] + step2[12], 8);
- output[4] = WRAPLOW(step2[4] + step2[11], 8);
- output[5] = WRAPLOW(step2[5] + step2[10], 8);
- output[6] = WRAPLOW(step2[6] + step2[9], 8);
- output[7] = WRAPLOW(step2[7] + step2[8], 8);
- output[8] = WRAPLOW(step2[7] - step2[8], 8);
- output[9] = WRAPLOW(step2[6] - step2[9], 8);
- output[10] = WRAPLOW(step2[5] - step2[10], 8);
- output[11] = WRAPLOW(step2[4] - step2[11], 8);
- output[12] = WRAPLOW(step2[3] - step2[12], 8);
- output[13] = WRAPLOW(step2[2] - step2[13], 8);
- output[14] = WRAPLOW(step2[1] - step2[14], 8);
- output[15] = WRAPLOW(step2[0] - step2[15], 8);
-}
-
-void vp9_idct16x16_256_add_c(const tran_low_t *input, uint8_t *dest,
- int stride) {
- tran_low_t out[16 * 16];
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[16], temp_out[16];
-
- // First transform rows
- for (i = 0; i < 16; ++i) {
- idct16(input, outptr);
- input += 16;
- outptr += 16;
- }
-
- // Then transform columns
- for (i = 0; i < 16; ++i) {
- for (j = 0; j < 16; ++j)
- temp_in[j] = out[j * 16 + i];
- idct16(temp_in, temp_out);
- for (j = 0; j < 16; ++j) {
- dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
- ROUND_POWER_OF_TWO(temp_out[j], 6));
- }
- }
-}
-
-static void iadst16(const tran_low_t *input, tran_low_t *output) {
- tran_high_t s0, s1, s2, s3, s4, s5, s6, s7, s8;
- tran_high_t s9, s10, s11, s12, s13, s14, s15;
-
- tran_high_t x0 = input[15];
- tran_high_t x1 = input[0];
- tran_high_t x2 = input[13];
- tran_high_t x3 = input[2];
- tran_high_t x4 = input[11];
- tran_high_t x5 = input[4];
- tran_high_t x6 = input[9];
- tran_high_t x7 = input[6];
- tran_high_t x8 = input[7];
- tran_high_t x9 = input[8];
- tran_high_t x10 = input[5];
- tran_high_t x11 = input[10];
- tran_high_t x12 = input[3];
- tran_high_t x13 = input[12];
- tran_high_t x14 = input[1];
- tran_high_t x15 = input[14];
-
- if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8
- | x9 | x10 | x11 | x12 | x13 | x14 | x15)) {
- output[0] = output[1] = output[2] = output[3] = output[4]
- = output[5] = output[6] = output[7] = output[8]
- = output[9] = output[10] = output[11] = output[12]
- = output[13] = output[14] = output[15] = 0;
- return;
- }
-
- // stage 1
- s0 = x0 * cospi_1_64 + x1 * cospi_31_64;
- s1 = x0 * cospi_31_64 - x1 * cospi_1_64;
- s2 = x2 * cospi_5_64 + x3 * cospi_27_64;
- s3 = x2 * cospi_27_64 - x3 * cospi_5_64;
- s4 = x4 * cospi_9_64 + x5 * cospi_23_64;
- s5 = x4 * cospi_23_64 - x5 * cospi_9_64;
- s6 = x6 * cospi_13_64 + x7 * cospi_19_64;
- s7 = x6 * cospi_19_64 - x7 * cospi_13_64;
- s8 = x8 * cospi_17_64 + x9 * cospi_15_64;
- s9 = x8 * cospi_15_64 - x9 * cospi_17_64;
- s10 = x10 * cospi_21_64 + x11 * cospi_11_64;
- s11 = x10 * cospi_11_64 - x11 * cospi_21_64;
- s12 = x12 * cospi_25_64 + x13 * cospi_7_64;
- s13 = x12 * cospi_7_64 - x13 * cospi_25_64;
- s14 = x14 * cospi_29_64 + x15 * cospi_3_64;
- s15 = x14 * cospi_3_64 - x15 * cospi_29_64;
-
- x0 = WRAPLOW(dct_const_round_shift(s0 + s8), 8);
- x1 = WRAPLOW(dct_const_round_shift(s1 + s9), 8);
- x2 = WRAPLOW(dct_const_round_shift(s2 + s10), 8);
- x3 = WRAPLOW(dct_const_round_shift(s3 + s11), 8);
- x4 = WRAPLOW(dct_const_round_shift(s4 + s12), 8);
- x5 = WRAPLOW(dct_const_round_shift(s5 + s13), 8);
- x6 = WRAPLOW(dct_const_round_shift(s6 + s14), 8);
- x7 = WRAPLOW(dct_const_round_shift(s7 + s15), 8);
- x8 = WRAPLOW(dct_const_round_shift(s0 - s8), 8);
- x9 = WRAPLOW(dct_const_round_shift(s1 - s9), 8);
- x10 = WRAPLOW(dct_const_round_shift(s2 - s10), 8);
- x11 = WRAPLOW(dct_const_round_shift(s3 - s11), 8);
- x12 = WRAPLOW(dct_const_round_shift(s4 - s12), 8);
- x13 = WRAPLOW(dct_const_round_shift(s5 - s13), 8);
- x14 = WRAPLOW(dct_const_round_shift(s6 - s14), 8);
- x15 = WRAPLOW(dct_const_round_shift(s7 - s15), 8);
-
- // stage 2
- s0 = x0;
- s1 = x1;
- s2 = x2;
- s3 = x3;
- s4 = x4;
- s5 = x5;
- s6 = x6;
- s7 = x7;
- s8 = x8 * cospi_4_64 + x9 * cospi_28_64;
- s9 = x8 * cospi_28_64 - x9 * cospi_4_64;
- s10 = x10 * cospi_20_64 + x11 * cospi_12_64;
- s11 = x10 * cospi_12_64 - x11 * cospi_20_64;
- s12 = - x12 * cospi_28_64 + x13 * cospi_4_64;
- s13 = x12 * cospi_4_64 + x13 * cospi_28_64;
- s14 = - x14 * cospi_12_64 + x15 * cospi_20_64;
- s15 = x14 * cospi_20_64 + x15 * cospi_12_64;
-
- x0 = WRAPLOW(s0 + s4, 8);
- x1 = WRAPLOW(s1 + s5, 8);
- x2 = WRAPLOW(s2 + s6, 8);
- x3 = WRAPLOW(s3 + s7, 8);
- x4 = WRAPLOW(s0 - s4, 8);
- x5 = WRAPLOW(s1 - s5, 8);
- x6 = WRAPLOW(s2 - s6, 8);
- x7 = WRAPLOW(s3 - s7, 8);
- x8 = WRAPLOW(dct_const_round_shift(s8 + s12), 8);
- x9 = WRAPLOW(dct_const_round_shift(s9 + s13), 8);
- x10 = WRAPLOW(dct_const_round_shift(s10 + s14), 8);
- x11 = WRAPLOW(dct_const_round_shift(s11 + s15), 8);
- x12 = WRAPLOW(dct_const_round_shift(s8 - s12), 8);
- x13 = WRAPLOW(dct_const_round_shift(s9 - s13), 8);
- x14 = WRAPLOW(dct_const_round_shift(s10 - s14), 8);
- x15 = WRAPLOW(dct_const_round_shift(s11 - s15), 8);
-
- // stage 3
- s0 = x0;
- s1 = x1;
- s2 = x2;
- s3 = x3;
- s4 = x4 * cospi_8_64 + x5 * cospi_24_64;
- s5 = x4 * cospi_24_64 - x5 * cospi_8_64;
- s6 = - x6 * cospi_24_64 + x7 * cospi_8_64;
- s7 = x6 * cospi_8_64 + x7 * cospi_24_64;
- s8 = x8;
- s9 = x9;
- s10 = x10;
- s11 = x11;
- s12 = x12 * cospi_8_64 + x13 * cospi_24_64;
- s13 = x12 * cospi_24_64 - x13 * cospi_8_64;
- s14 = - x14 * cospi_24_64 + x15 * cospi_8_64;
- s15 = x14 * cospi_8_64 + x15 * cospi_24_64;
-
- x0 = WRAPLOW(check_range(s0 + s2), 8);
- x1 = WRAPLOW(check_range(s1 + s3), 8);
- x2 = WRAPLOW(check_range(s0 - s2), 8);
- x3 = WRAPLOW(check_range(s1 - s3), 8);
- x4 = WRAPLOW(dct_const_round_shift(s4 + s6), 8);
- x5 = WRAPLOW(dct_const_round_shift(s5 + s7), 8);
- x6 = WRAPLOW(dct_const_round_shift(s4 - s6), 8);
- x7 = WRAPLOW(dct_const_round_shift(s5 - s7), 8);
- x8 = WRAPLOW(check_range(s8 + s10), 8);
- x9 = WRAPLOW(check_range(s9 + s11), 8);
- x10 = WRAPLOW(check_range(s8 - s10), 8);
- x11 = WRAPLOW(check_range(s9 - s11), 8);
- x12 = WRAPLOW(dct_const_round_shift(s12 + s14), 8);
- x13 = WRAPLOW(dct_const_round_shift(s13 + s15), 8);
- x14 = WRAPLOW(dct_const_round_shift(s12 - s14), 8);
- x15 = WRAPLOW(dct_const_round_shift(s13 - s15), 8);
-
- // stage 4
- s2 = (- cospi_16_64) * (x2 + x3);
- s3 = cospi_16_64 * (x2 - x3);
- s6 = cospi_16_64 * (x6 + x7);
- s7 = cospi_16_64 * (- x6 + x7);
- s10 = cospi_16_64 * (x10 + x11);
- s11 = cospi_16_64 * (- x10 + x11);
- s14 = (- cospi_16_64) * (x14 + x15);
- s15 = cospi_16_64 * (x14 - x15);
-
- x2 = WRAPLOW(dct_const_round_shift(s2), 8);
- x3 = WRAPLOW(dct_const_round_shift(s3), 8);
- x6 = WRAPLOW(dct_const_round_shift(s6), 8);
- x7 = WRAPLOW(dct_const_round_shift(s7), 8);
- x10 = WRAPLOW(dct_const_round_shift(s10), 8);
- x11 = WRAPLOW(dct_const_round_shift(s11), 8);
- x14 = WRAPLOW(dct_const_round_shift(s14), 8);
- x15 = WRAPLOW(dct_const_round_shift(s15), 8);
-
- output[0] = WRAPLOW(x0, 8);
- output[1] = WRAPLOW(-x8, 8);
- output[2] = WRAPLOW(x12, 8);
- output[3] = WRAPLOW(-x4, 8);
- output[4] = WRAPLOW(x6, 8);
- output[5] = WRAPLOW(x14, 8);
- output[6] = WRAPLOW(x10, 8);
- output[7] = WRAPLOW(x2, 8);
- output[8] = WRAPLOW(x3, 8);
- output[9] = WRAPLOW(x11, 8);
- output[10] = WRAPLOW(x15, 8);
- output[11] = WRAPLOW(x7, 8);
- output[12] = WRAPLOW(x5, 8);
- output[13] = WRAPLOW(-x13, 8);
- output[14] = WRAPLOW(x9, 8);
- output[15] = WRAPLOW(-x1, 8);
-}
-
static const transform_2d IHT_16[] = {
- { idct16, idct16 }, // DCT_DCT = 0
- { iadst16, idct16 }, // ADST_DCT = 1
- { idct16, iadst16 }, // DCT_ADST = 2
- { iadst16, iadst16 } // ADST_ADST = 3
+ { idct16_c, idct16_c }, // DCT_DCT = 0
+ { iadst16_c, idct16_c }, // ADST_DCT = 1
+ { idct16_c, iadst16_c }, // DCT_ADST = 2
+ { iadst16_c, iadst16_c } // ADST_ADST = 3
};
void vp9_iht16x16_256_add_c(const tran_low_t *input, uint8_t *dest, int stride,
@@ -848,494 +119,6 @@
}
}
-void vp9_idct16x16_10_add_c(const tran_low_t *input, uint8_t *dest,
- int stride) {
- tran_low_t out[16 * 16] = { 0 };
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[16], temp_out[16];
-
- // First transform rows. Since all non-zero dct coefficients are in
- // upper-left 4x4 area, we only need to calculate first 4 rows here.
- for (i = 0; i < 4; ++i) {
- idct16(input, outptr);
- input += 16;
- outptr += 16;
- }
-
- // Then transform columns
- for (i = 0; i < 16; ++i) {
- for (j = 0; j < 16; ++j)
- temp_in[j] = out[j*16 + i];
- idct16(temp_in, temp_out);
- for (j = 0; j < 16; ++j) {
- dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
- ROUND_POWER_OF_TWO(temp_out[j], 6));
- }
- }
-}
-
-void vp9_idct16x16_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
- int i, j;
- tran_high_t a1;
- tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8);
- out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8);
- a1 = ROUND_POWER_OF_TWO(out, 6);
- for (j = 0; j < 16; ++j) {
- for (i = 0; i < 16; ++i)
- dest[i] = clip_pixel_add(dest[i], a1);
- dest += stride;
- }
-}
-
-static void idct32(const tran_low_t *input, tran_low_t *output) {
- tran_low_t step1[32], step2[32];
- tran_high_t temp1, temp2;
-
- // stage 1
- step1[0] = input[0];
- step1[1] = input[16];
- step1[2] = input[8];
- step1[3] = input[24];
- step1[4] = input[4];
- step1[5] = input[20];
- step1[6] = input[12];
- step1[7] = input[28];
- step1[8] = input[2];
- step1[9] = input[18];
- step1[10] = input[10];
- step1[11] = input[26];
- step1[12] = input[6];
- step1[13] = input[22];
- step1[14] = input[14];
- step1[15] = input[30];
-
- temp1 = input[1] * cospi_31_64 - input[31] * cospi_1_64;
- temp2 = input[1] * cospi_1_64 + input[31] * cospi_31_64;
- step1[16] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[31] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = input[17] * cospi_15_64 - input[15] * cospi_17_64;
- temp2 = input[17] * cospi_17_64 + input[15] * cospi_15_64;
- step1[17] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[30] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = input[9] * cospi_23_64 - input[23] * cospi_9_64;
- temp2 = input[9] * cospi_9_64 + input[23] * cospi_23_64;
- step1[18] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[29] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = input[25] * cospi_7_64 - input[7] * cospi_25_64;
- temp2 = input[25] * cospi_25_64 + input[7] * cospi_7_64;
- step1[19] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[28] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = input[5] * cospi_27_64 - input[27] * cospi_5_64;
- temp2 = input[5] * cospi_5_64 + input[27] * cospi_27_64;
- step1[20] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[27] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = input[21] * cospi_11_64 - input[11] * cospi_21_64;
- temp2 = input[21] * cospi_21_64 + input[11] * cospi_11_64;
- step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = input[13] * cospi_19_64 - input[19] * cospi_13_64;
- temp2 = input[13] * cospi_13_64 + input[19] * cospi_19_64;
- step1[22] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[25] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = input[29] * cospi_3_64 - input[3] * cospi_29_64;
- temp2 = input[29] * cospi_29_64 + input[3] * cospi_3_64;
- step1[23] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[24] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- // stage 2
- step2[0] = step1[0];
- step2[1] = step1[1];
- step2[2] = step1[2];
- step2[3] = step1[3];
- step2[4] = step1[4];
- step2[5] = step1[5];
- step2[6] = step1[6];
- step2[7] = step1[7];
-
- temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
- temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
- step2[8] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[15] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
- temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
- step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
- temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
- step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
- temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
- step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- step2[16] = WRAPLOW(step1[16] + step1[17], 8);
- step2[17] = WRAPLOW(step1[16] - step1[17], 8);
- step2[18] = WRAPLOW(-step1[18] + step1[19], 8);
- step2[19] = WRAPLOW(step1[18] + step1[19], 8);
- step2[20] = WRAPLOW(step1[20] + step1[21], 8);
- step2[21] = WRAPLOW(step1[20] - step1[21], 8);
- step2[22] = WRAPLOW(-step1[22] + step1[23], 8);
- step2[23] = WRAPLOW(step1[22] + step1[23], 8);
- step2[24] = WRAPLOW(step1[24] + step1[25], 8);
- step2[25] = WRAPLOW(step1[24] - step1[25], 8);
- step2[26] = WRAPLOW(-step1[26] + step1[27], 8);
- step2[27] = WRAPLOW(step1[26] + step1[27], 8);
- step2[28] = WRAPLOW(step1[28] + step1[29], 8);
- step2[29] = WRAPLOW(step1[28] - step1[29], 8);
- step2[30] = WRAPLOW(-step1[30] + step1[31], 8);
- step2[31] = WRAPLOW(step1[30] + step1[31], 8);
-
- // stage 3
- step1[0] = step2[0];
- step1[1] = step2[1];
- step1[2] = step2[2];
- step1[3] = step2[3];
-
- temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
- temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
- step1[4] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[7] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
- temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
- step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
-
- step1[8] = WRAPLOW(step2[8] + step2[9], 8);
- step1[9] = WRAPLOW(step2[8] - step2[9], 8);
- step1[10] = WRAPLOW(-step2[10] + step2[11], 8);
- step1[11] = WRAPLOW(step2[10] + step2[11], 8);
- step1[12] = WRAPLOW(step2[12] + step2[13], 8);
- step1[13] = WRAPLOW(step2[12] - step2[13], 8);
- step1[14] = WRAPLOW(-step2[14] + step2[15], 8);
- step1[15] = WRAPLOW(step2[14] + step2[15], 8);
-
- step1[16] = step2[16];
- step1[31] = step2[31];
- temp1 = -step2[17] * cospi_4_64 + step2[30] * cospi_28_64;
- temp2 = step2[17] * cospi_28_64 + step2[30] * cospi_4_64;
- step1[17] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[30] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = -step2[18] * cospi_28_64 - step2[29] * cospi_4_64;
- temp2 = -step2[18] * cospi_4_64 + step2[29] * cospi_28_64;
- step1[18] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[29] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step1[19] = step2[19];
- step1[20] = step2[20];
- temp1 = -step2[21] * cospi_20_64 + step2[26] * cospi_12_64;
- temp2 = step2[21] * cospi_12_64 + step2[26] * cospi_20_64;
- step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = -step2[22] * cospi_12_64 - step2[25] * cospi_20_64;
- temp2 = -step2[22] * cospi_20_64 + step2[25] * cospi_12_64;
- step1[22] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[25] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step1[23] = step2[23];
- step1[24] = step2[24];
- step1[27] = step2[27];
- step1[28] = step2[28];
-
- // stage 4
- temp1 = (step1[0] + step1[1]) * cospi_16_64;
- temp2 = (step1[0] - step1[1]) * cospi_16_64;
- step2[0] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[1] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
- temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
- step2[2] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[3] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step2[4] = WRAPLOW(step1[4] + step1[5], 8);
- step2[5] = WRAPLOW(step1[4] - step1[5], 8);
- step2[6] = WRAPLOW(-step1[6] + step1[7], 8);
- step2[7] = WRAPLOW(step1[6] + step1[7], 8);
-
- step2[8] = step1[8];
- step2[15] = step1[15];
- temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
- temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
- step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
- temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
- step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step2[11] = step1[11];
- step2[12] = step1[12];
-
- step2[16] = WRAPLOW(step1[16] + step1[19], 8);
- step2[17] = WRAPLOW(step1[17] + step1[18], 8);
- step2[18] = WRAPLOW(step1[17] - step1[18], 8);
- step2[19] = WRAPLOW(step1[16] - step1[19], 8);
- step2[20] = WRAPLOW(-step1[20] + step1[23], 8);
- step2[21] = WRAPLOW(-step1[21] + step1[22], 8);
- step2[22] = WRAPLOW(step1[21] + step1[22], 8);
- step2[23] = WRAPLOW(step1[20] + step1[23], 8);
-
- step2[24] = WRAPLOW(step1[24] + step1[27], 8);
- step2[25] = WRAPLOW(step1[25] + step1[26], 8);
- step2[26] = WRAPLOW(step1[25] - step1[26], 8);
- step2[27] = WRAPLOW(step1[24] - step1[27], 8);
- step2[28] = WRAPLOW(-step1[28] + step1[31], 8);
- step2[29] = WRAPLOW(-step1[29] + step1[30], 8);
- step2[30] = WRAPLOW(step1[29] + step1[30], 8);
- step2[31] = WRAPLOW(step1[28] + step1[31], 8);
-
- // stage 5
- step1[0] = WRAPLOW(step2[0] + step2[3], 8);
- step1[1] = WRAPLOW(step2[1] + step2[2], 8);
- step1[2] = WRAPLOW(step2[1] - step2[2], 8);
- step1[3] = WRAPLOW(step2[0] - step2[3], 8);
- step1[4] = step2[4];
- temp1 = (step2[6] - step2[5]) * cospi_16_64;
- temp2 = (step2[5] + step2[6]) * cospi_16_64;
- step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step1[7] = step2[7];
-
- step1[8] = WRAPLOW(step2[8] + step2[11], 8);
- step1[9] = WRAPLOW(step2[9] + step2[10], 8);
- step1[10] = WRAPLOW(step2[9] - step2[10], 8);
- step1[11] = WRAPLOW(step2[8] - step2[11], 8);
- step1[12] = WRAPLOW(-step2[12] + step2[15], 8);
- step1[13] = WRAPLOW(-step2[13] + step2[14], 8);
- step1[14] = WRAPLOW(step2[13] + step2[14], 8);
- step1[15] = WRAPLOW(step2[12] + step2[15], 8);
-
- step1[16] = step2[16];
- step1[17] = step2[17];
- temp1 = -step2[18] * cospi_8_64 + step2[29] * cospi_24_64;
- temp2 = step2[18] * cospi_24_64 + step2[29] * cospi_8_64;
- step1[18] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[29] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = -step2[19] * cospi_8_64 + step2[28] * cospi_24_64;
- temp2 = step2[19] * cospi_24_64 + step2[28] * cospi_8_64;
- step1[19] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[28] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = -step2[20] * cospi_24_64 - step2[27] * cospi_8_64;
- temp2 = -step2[20] * cospi_8_64 + step2[27] * cospi_24_64;
- step1[20] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[27] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = -step2[21] * cospi_24_64 - step2[26] * cospi_8_64;
- temp2 = -step2[21] * cospi_8_64 + step2[26] * cospi_24_64;
- step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step1[22] = step2[22];
- step1[23] = step2[23];
- step1[24] = step2[24];
- step1[25] = step2[25];
- step1[30] = step2[30];
- step1[31] = step2[31];
-
- // stage 6
- step2[0] = WRAPLOW(step1[0] + step1[7], 8);
- step2[1] = WRAPLOW(step1[1] + step1[6], 8);
- step2[2] = WRAPLOW(step1[2] + step1[5], 8);
- step2[3] = WRAPLOW(step1[3] + step1[4], 8);
- step2[4] = WRAPLOW(step1[3] - step1[4], 8);
- step2[5] = WRAPLOW(step1[2] - step1[5], 8);
- step2[6] = WRAPLOW(step1[1] - step1[6], 8);
- step2[7] = WRAPLOW(step1[0] - step1[7], 8);
- step2[8] = step1[8];
- step2[9] = step1[9];
- temp1 = (-step1[10] + step1[13]) * cospi_16_64;
- temp2 = (step1[10] + step1[13]) * cospi_16_64;
- step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = (-step1[11] + step1[12]) * cospi_16_64;
- temp2 = (step1[11] + step1[12]) * cospi_16_64;
- step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step2[14] = step1[14];
- step2[15] = step1[15];
-
- step2[16] = WRAPLOW(step1[16] + step1[23], 8);
- step2[17] = WRAPLOW(step1[17] + step1[22], 8);
- step2[18] = WRAPLOW(step1[18] + step1[21], 8);
- step2[19] = WRAPLOW(step1[19] + step1[20], 8);
- step2[20] = WRAPLOW(step1[19] - step1[20], 8);
- step2[21] = WRAPLOW(step1[18] - step1[21], 8);
- step2[22] = WRAPLOW(step1[17] - step1[22], 8);
- step2[23] = WRAPLOW(step1[16] - step1[23], 8);
-
- step2[24] = WRAPLOW(-step1[24] + step1[31], 8);
- step2[25] = WRAPLOW(-step1[25] + step1[30], 8);
- step2[26] = WRAPLOW(-step1[26] + step1[29], 8);
- step2[27] = WRAPLOW(-step1[27] + step1[28], 8);
- step2[28] = WRAPLOW(step1[27] + step1[28], 8);
- step2[29] = WRAPLOW(step1[26] + step1[29], 8);
- step2[30] = WRAPLOW(step1[25] + step1[30], 8);
- step2[31] = WRAPLOW(step1[24] + step1[31], 8);
-
- // stage 7
- step1[0] = WRAPLOW(step2[0] + step2[15], 8);
- step1[1] = WRAPLOW(step2[1] + step2[14], 8);
- step1[2] = WRAPLOW(step2[2] + step2[13], 8);
- step1[3] = WRAPLOW(step2[3] + step2[12], 8);
- step1[4] = WRAPLOW(step2[4] + step2[11], 8);
- step1[5] = WRAPLOW(step2[5] + step2[10], 8);
- step1[6] = WRAPLOW(step2[6] + step2[9], 8);
- step1[7] = WRAPLOW(step2[7] + step2[8], 8);
- step1[8] = WRAPLOW(step2[7] - step2[8], 8);
- step1[9] = WRAPLOW(step2[6] - step2[9], 8);
- step1[10] = WRAPLOW(step2[5] - step2[10], 8);
- step1[11] = WRAPLOW(step2[4] - step2[11], 8);
- step1[12] = WRAPLOW(step2[3] - step2[12], 8);
- step1[13] = WRAPLOW(step2[2] - step2[13], 8);
- step1[14] = WRAPLOW(step2[1] - step2[14], 8);
- step1[15] = WRAPLOW(step2[0] - step2[15], 8);
-
- step1[16] = step2[16];
- step1[17] = step2[17];
- step1[18] = step2[18];
- step1[19] = step2[19];
- temp1 = (-step2[20] + step2[27]) * cospi_16_64;
- temp2 = (step2[20] + step2[27]) * cospi_16_64;
- step1[20] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[27] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = (-step2[21] + step2[26]) * cospi_16_64;
- temp2 = (step2[21] + step2[26]) * cospi_16_64;
- step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = (-step2[22] + step2[25]) * cospi_16_64;
- temp2 = (step2[22] + step2[25]) * cospi_16_64;
- step1[22] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[25] = WRAPLOW(dct_const_round_shift(temp2), 8);
- temp1 = (-step2[23] + step2[24]) * cospi_16_64;
- temp2 = (step2[23] + step2[24]) * cospi_16_64;
- step1[23] = WRAPLOW(dct_const_round_shift(temp1), 8);
- step1[24] = WRAPLOW(dct_const_round_shift(temp2), 8);
- step1[28] = step2[28];
- step1[29] = step2[29];
- step1[30] = step2[30];
- step1[31] = step2[31];
-
- // final stage
- output[0] = WRAPLOW(step1[0] + step1[31], 8);
- output[1] = WRAPLOW(step1[1] + step1[30], 8);
- output[2] = WRAPLOW(step1[2] + step1[29], 8);
- output[3] = WRAPLOW(step1[3] + step1[28], 8);
- output[4] = WRAPLOW(step1[4] + step1[27], 8);
- output[5] = WRAPLOW(step1[5] + step1[26], 8);
- output[6] = WRAPLOW(step1[6] + step1[25], 8);
- output[7] = WRAPLOW(step1[7] + step1[24], 8);
- output[8] = WRAPLOW(step1[8] + step1[23], 8);
- output[9] = WRAPLOW(step1[9] + step1[22], 8);
- output[10] = WRAPLOW(step1[10] + step1[21], 8);
- output[11] = WRAPLOW(step1[11] + step1[20], 8);
- output[12] = WRAPLOW(step1[12] + step1[19], 8);
- output[13] = WRAPLOW(step1[13] + step1[18], 8);
- output[14] = WRAPLOW(step1[14] + step1[17], 8);
- output[15] = WRAPLOW(step1[15] + step1[16], 8);
- output[16] = WRAPLOW(step1[15] - step1[16], 8);
- output[17] = WRAPLOW(step1[14] - step1[17], 8);
- output[18] = WRAPLOW(step1[13] - step1[18], 8);
- output[19] = WRAPLOW(step1[12] - step1[19], 8);
- output[20] = WRAPLOW(step1[11] - step1[20], 8);
- output[21] = WRAPLOW(step1[10] - step1[21], 8);
- output[22] = WRAPLOW(step1[9] - step1[22], 8);
- output[23] = WRAPLOW(step1[8] - step1[23], 8);
- output[24] = WRAPLOW(step1[7] - step1[24], 8);
- output[25] = WRAPLOW(step1[6] - step1[25], 8);
- output[26] = WRAPLOW(step1[5] - step1[26], 8);
- output[27] = WRAPLOW(step1[4] - step1[27], 8);
- output[28] = WRAPLOW(step1[3] - step1[28], 8);
- output[29] = WRAPLOW(step1[2] - step1[29], 8);
- output[30] = WRAPLOW(step1[1] - step1[30], 8);
- output[31] = WRAPLOW(step1[0] - step1[31], 8);
-}
-
-void vp9_idct32x32_1024_add_c(const tran_low_t *input, uint8_t *dest,
- int stride) {
- tran_low_t out[32 * 32];
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[32], temp_out[32];
-
- // Rows
- for (i = 0; i < 32; ++i) {
- int16_t zero_coeff[16];
- for (j = 0; j < 16; ++j)
- zero_coeff[j] = input[2 * j] | input[2 * j + 1];
- for (j = 0; j < 8; ++j)
- zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
- for (j = 0; j < 4; ++j)
- zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
- for (j = 0; j < 2; ++j)
- zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
-
- if (zero_coeff[0] | zero_coeff[1])
- idct32(input, outptr);
- else
- memset(outptr, 0, sizeof(tran_low_t) * 32);
- input += 32;
- outptr += 32;
- }
-
- // Columns
- for (i = 0; i < 32; ++i) {
- for (j = 0; j < 32; ++j)
- temp_in[j] = out[j * 32 + i];
- idct32(temp_in, temp_out);
- for (j = 0; j < 32; ++j) {
- dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
- ROUND_POWER_OF_TWO(temp_out[j], 6));
- }
- }
-}
-
-void vp9_idct32x32_34_add_c(const tran_low_t *input, uint8_t *dest,
- int stride) {
- tran_low_t out[32 * 32] = {0};
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[32], temp_out[32];
-
- // Rows
- // only upper-left 8x8 has non-zero coeff
- for (i = 0; i < 8; ++i) {
- idct32(input, outptr);
- input += 32;
- outptr += 32;
- }
-
- // Columns
- for (i = 0; i < 32; ++i) {
- for (j = 0; j < 32; ++j)
- temp_in[j] = out[j * 32 + i];
- idct32(temp_in, temp_out);
- for (j = 0; j < 32; ++j) {
- dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
- ROUND_POWER_OF_TWO(temp_out[j], 6));
- }
- }
-}
-
-void vp9_idct32x32_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
- int i, j;
- tran_high_t a1;
-
- tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8);
- out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8);
- a1 = ROUND_POWER_OF_TWO(out, 6);
-
- for (j = 0; j < 32; ++j) {
- for (i = 0; i < 32; ++i)
- dest[i] = clip_pixel_add(dest[i], a1);
- dest += stride;
- }
-}
-
// idct
void vp9_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
int eob) {
@@ -1424,294 +207,13 @@
}
#if CONFIG_VP9_HIGHBITDEPTH
-void vp9_highbd_iwht4x4_16_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- /* 4-point reversible, orthonormal inverse Walsh-Hadamard in 3.5 adds,
- 0.5 shifts per pixel. */
- int i;
- tran_low_t output[16];
- tran_high_t a1, b1, c1, d1, e1;
- const tran_low_t *ip = input;
- tran_low_t *op = output;
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- for (i = 0; i < 4; i++) {
- a1 = ip[0] >> UNIT_QUANT_SHIFT;
- c1 = ip[1] >> UNIT_QUANT_SHIFT;
- d1 = ip[2] >> UNIT_QUANT_SHIFT;
- b1 = ip[3] >> UNIT_QUANT_SHIFT;
- a1 += c1;
- d1 -= b1;
- e1 = (a1 - d1) >> 1;
- b1 = e1 - b1;
- c1 = e1 - c1;
- a1 -= b1;
- d1 += c1;
- op[0] = WRAPLOW(a1, bd);
- op[1] = WRAPLOW(b1, bd);
- op[2] = WRAPLOW(c1, bd);
- op[3] = WRAPLOW(d1, bd);
- ip += 4;
- op += 4;
- }
-
- ip = output;
- for (i = 0; i < 4; i++) {
- a1 = ip[4 * 0];
- c1 = ip[4 * 1];
- d1 = ip[4 * 2];
- b1 = ip[4 * 3];
- a1 += c1;
- d1 -= b1;
- e1 = (a1 - d1) >> 1;
- b1 = e1 - b1;
- c1 = e1 - c1;
- a1 -= b1;
- d1 += c1;
- dest[stride * 0] = highbd_clip_pixel_add(dest[stride * 0], a1, bd);
- dest[stride * 1] = highbd_clip_pixel_add(dest[stride * 1], b1, bd);
- dest[stride * 2] = highbd_clip_pixel_add(dest[stride * 2], c1, bd);
- dest[stride * 3] = highbd_clip_pixel_add(dest[stride * 3], d1, bd);
-
- ip++;
- dest++;
- }
-}
-
-void vp9_highbd_iwht4x4_1_add_c(const tran_low_t *in, uint8_t *dest8,
- int dest_stride, int bd) {
- int i;
- tran_high_t a1, e1;
- tran_low_t tmp[4];
- const tran_low_t *ip = in;
- tran_low_t *op = tmp;
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
- (void) bd;
-
- a1 = ip[0] >> UNIT_QUANT_SHIFT;
- e1 = a1 >> 1;
- a1 -= e1;
- op[0] = WRAPLOW(a1, bd);
- op[1] = op[2] = op[3] = WRAPLOW(e1, bd);
-
- ip = tmp;
- for (i = 0; i < 4; i++) {
- e1 = ip[0] >> 1;
- a1 = ip[0] - e1;
- dest[dest_stride * 0] = highbd_clip_pixel_add(
- dest[dest_stride * 0], a1, bd);
- dest[dest_stride * 1] = highbd_clip_pixel_add(
- dest[dest_stride * 1], e1, bd);
- dest[dest_stride * 2] = highbd_clip_pixel_add(
- dest[dest_stride * 2], e1, bd);
- dest[dest_stride * 3] = highbd_clip_pixel_add(
- dest[dest_stride * 3], e1, bd);
- ip++;
- dest++;
- }
-}
-
-void vp9_highbd_idct4(const tran_low_t *input, tran_low_t *output, int bd) {
- tran_low_t step[4];
- tran_high_t temp1, temp2;
- (void) bd;
- // stage 1
- temp1 = (input[0] + input[2]) * cospi_16_64;
- temp2 = (input[0] - input[2]) * cospi_16_64;
- step[0] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step[1] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = input[1] * cospi_24_64 - input[3] * cospi_8_64;
- temp2 = input[1] * cospi_8_64 + input[3] * cospi_24_64;
- step[2] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step[3] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- // stage 2
- output[0] = WRAPLOW(step[0] + step[3], bd);
- output[1] = WRAPLOW(step[1] + step[2], bd);
- output[2] = WRAPLOW(step[1] - step[2], bd);
- output[3] = WRAPLOW(step[0] - step[3], bd);
-}
-
-void vp9_highbd_idct4x4_16_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[4 * 4];
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[4], temp_out[4];
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- // Rows
- for (i = 0; i < 4; ++i) {
- vp9_highbd_idct4(input, outptr, bd);
- input += 4;
- outptr += 4;
- }
-
- // Columns
- for (i = 0; i < 4; ++i) {
- for (j = 0; j < 4; ++j)
- temp_in[j] = out[j * 4 + i];
- vp9_highbd_idct4(temp_in, temp_out, bd);
- for (j = 0; j < 4; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 4), bd);
- }
- }
-}
-
-void vp9_highbd_idct4x4_1_add_c(const tran_low_t *input, uint8_t *dest8,
- int dest_stride, int bd) {
- int i;
- tran_high_t a1;
- tran_low_t out = WRAPLOW(
- highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd);
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd);
- a1 = ROUND_POWER_OF_TWO(out, 4);
-
- for (i = 0; i < 4; i++) {
- dest[0] = highbd_clip_pixel_add(dest[0], a1, bd);
- dest[1] = highbd_clip_pixel_add(dest[1], a1, bd);
- dest[2] = highbd_clip_pixel_add(dest[2], a1, bd);
- dest[3] = highbd_clip_pixel_add(dest[3], a1, bd);
- dest += dest_stride;
- }
-}
-
-void vp9_highbd_idct8(const tran_low_t *input, tran_low_t *output, int bd) {
- tran_low_t step1[8], step2[8];
- tran_high_t temp1, temp2;
- // stage 1
- step1[0] = input[0];
- step1[2] = input[4];
- step1[1] = input[2];
- step1[3] = input[6];
- temp1 = input[1] * cospi_28_64 - input[7] * cospi_4_64;
- temp2 = input[1] * cospi_4_64 + input[7] * cospi_28_64;
- step1[4] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[7] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = input[5] * cospi_12_64 - input[3] * cospi_20_64;
- temp2 = input[5] * cospi_20_64 + input[3] * cospi_12_64;
- step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- // stage 2 & stage 3 - even half
- vp9_highbd_idct4(step1, step1, bd);
-
- // stage 2 - odd half
- step2[4] = WRAPLOW(step1[4] + step1[5], bd);
- step2[5] = WRAPLOW(step1[4] - step1[5], bd);
- step2[6] = WRAPLOW(-step1[6] + step1[7], bd);
- step2[7] = WRAPLOW(step1[6] + step1[7], bd);
-
- // stage 3 - odd half
- step1[4] = step2[4];
- temp1 = (step2[6] - step2[5]) * cospi_16_64;
- temp2 = (step2[5] + step2[6]) * cospi_16_64;
- step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step1[7] = step2[7];
-
- // stage 4
- output[0] = WRAPLOW(step1[0] + step1[7], bd);
- output[1] = WRAPLOW(step1[1] + step1[6], bd);
- output[2] = WRAPLOW(step1[2] + step1[5], bd);
- output[3] = WRAPLOW(step1[3] + step1[4], bd);
- output[4] = WRAPLOW(step1[3] - step1[4], bd);
- output[5] = WRAPLOW(step1[2] - step1[5], bd);
- output[6] = WRAPLOW(step1[1] - step1[6], bd);
- output[7] = WRAPLOW(step1[0] - step1[7], bd);
-}
-
-void vp9_highbd_idct8x8_64_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[8 * 8];
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[8], temp_out[8];
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- // First transform rows.
- for (i = 0; i < 8; ++i) {
- vp9_highbd_idct8(input, outptr, bd);
- input += 8;
- outptr += 8;
- }
-
- // Then transform columns.
- for (i = 0; i < 8; ++i) {
- for (j = 0; j < 8; ++j)
- temp_in[j] = out[j * 8 + i];
- vp9_highbd_idct8(temp_in, temp_out, bd);
- for (j = 0; j < 8; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
- }
- }
-}
-
-void vp9_highbd_idct8x8_1_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- int i, j;
- tran_high_t a1;
- tran_low_t out = WRAPLOW(
- highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd);
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
- out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd);
- a1 = ROUND_POWER_OF_TWO(out, 5);
- for (j = 0; j < 8; ++j) {
- for (i = 0; i < 8; ++i)
- dest[i] = highbd_clip_pixel_add(dest[i], a1, bd);
- dest += stride;
- }
-}
-
-static void highbd_iadst4(const tran_low_t *input, tran_low_t *output, int bd) {
- tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
-
- tran_low_t x0 = input[0];
- tran_low_t x1 = input[1];
- tran_low_t x2 = input[2];
- tran_low_t x3 = input[3];
- (void) bd;
-
- if (!(x0 | x1 | x2 | x3)) {
- memset(output, 0, 4 * sizeof(*output));
- return;
- }
-
- s0 = sinpi_1_9 * x0;
- s1 = sinpi_2_9 * x0;
- s2 = sinpi_3_9 * x1;
- s3 = sinpi_4_9 * x2;
- s4 = sinpi_1_9 * x2;
- s5 = sinpi_2_9 * x3;
- s6 = sinpi_4_9 * x3;
- s7 = (tran_high_t)(x0 - x2 + x3);
-
- s0 = s0 + s3 + s5;
- s1 = s1 - s4 - s6;
- s3 = s2;
- s2 = sinpi_3_9 * s7;
-
- // 1-D transform scaling factor is sqrt(2).
- // The overall dynamic range is 14b (input) + 14b (multiplication scaling)
- // + 1b (addition) = 29b.
- // Hence the output bit depth is 15b.
- output[0] = WRAPLOW(highbd_dct_const_round_shift(s0 + s3, bd), bd);
- output[1] = WRAPLOW(highbd_dct_const_round_shift(s1 + s3, bd), bd);
- output[2] = WRAPLOW(highbd_dct_const_round_shift(s2, bd), bd);
- output[3] = WRAPLOW(highbd_dct_const_round_shift(s0 + s1 - s3, bd), bd);
-}
-
void vp9_highbd_iht4x4_16_add_c(const tran_low_t *input, uint8_t *dest8,
int stride, int tx_type, int bd) {
const highbd_transform_2d IHT_4[] = {
- { vp9_highbd_idct4, vp9_highbd_idct4 }, // DCT_DCT = 0
- { highbd_iadst4, vp9_highbd_idct4 }, // ADST_DCT = 1
- { vp9_highbd_idct4, highbd_iadst4 }, // DCT_ADST = 2
- { highbd_iadst4, highbd_iadst4 } // ADST_ADST = 3
+ { vp9_highbd_idct4_c, vp9_highbd_idct4_c }, // DCT_DCT = 0
+ { highbd_iadst4_c, vp9_highbd_idct4_c }, // ADST_DCT = 1
+ { vp9_highbd_idct4_c, highbd_iadst4_c }, // DCT_ADST = 2
+ { highbd_iadst4_c, highbd_iadst4_c } // ADST_ADST = 3
};
uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
@@ -1739,88 +241,11 @@
}
}
-static void highbd_iadst8(const tran_low_t *input, tran_low_t *output, int bd) {
- tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
-
- tran_low_t x0 = input[7];
- tran_low_t x1 = input[0];
- tran_low_t x2 = input[5];
- tran_low_t x3 = input[2];
- tran_low_t x4 = input[3];
- tran_low_t x5 = input[4];
- tran_low_t x6 = input[1];
- tran_low_t x7 = input[6];
- (void) bd;
-
- if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {
- memset(output, 0, 8 * sizeof(*output));
- return;
- }
-
- // stage 1
- s0 = cospi_2_64 * x0 + cospi_30_64 * x1;
- s1 = cospi_30_64 * x0 - cospi_2_64 * x1;
- s2 = cospi_10_64 * x2 + cospi_22_64 * x3;
- s3 = cospi_22_64 * x2 - cospi_10_64 * x3;
- s4 = cospi_18_64 * x4 + cospi_14_64 * x5;
- s5 = cospi_14_64 * x4 - cospi_18_64 * x5;
- s6 = cospi_26_64 * x6 + cospi_6_64 * x7;
- s7 = cospi_6_64 * x6 - cospi_26_64 * x7;
-
- x0 = WRAPLOW(highbd_dct_const_round_shift(s0 + s4, bd), bd);
- x1 = WRAPLOW(highbd_dct_const_round_shift(s1 + s5, bd), bd);
- x2 = WRAPLOW(highbd_dct_const_round_shift(s2 + s6, bd), bd);
- x3 = WRAPLOW(highbd_dct_const_round_shift(s3 + s7, bd), bd);
- x4 = WRAPLOW(highbd_dct_const_round_shift(s0 - s4, bd), bd);
- x5 = WRAPLOW(highbd_dct_const_round_shift(s1 - s5, bd), bd);
- x6 = WRAPLOW(highbd_dct_const_round_shift(s2 - s6, bd), bd);
- x7 = WRAPLOW(highbd_dct_const_round_shift(s3 - s7, bd), bd);
-
- // stage 2
- s0 = x0;
- s1 = x1;
- s2 = x2;
- s3 = x3;
- s4 = cospi_8_64 * x4 + cospi_24_64 * x5;
- s5 = cospi_24_64 * x4 - cospi_8_64 * x5;
- s6 = -cospi_24_64 * x6 + cospi_8_64 * x7;
- s7 = cospi_8_64 * x6 + cospi_24_64 * x7;
-
- x0 = WRAPLOW(s0 + s2, bd);
- x1 = WRAPLOW(s1 + s3, bd);
- x2 = WRAPLOW(s0 - s2, bd);
- x3 = WRAPLOW(s1 - s3, bd);
- x4 = WRAPLOW(highbd_dct_const_round_shift(s4 + s6, bd), bd);
- x5 = WRAPLOW(highbd_dct_const_round_shift(s5 + s7, bd), bd);
- x6 = WRAPLOW(highbd_dct_const_round_shift(s4 - s6, bd), bd);
- x7 = WRAPLOW(highbd_dct_const_round_shift(s5 - s7, bd), bd);
-
- // stage 3
- s2 = cospi_16_64 * (x2 + x3);
- s3 = cospi_16_64 * (x2 - x3);
- s6 = cospi_16_64 * (x6 + x7);
- s7 = cospi_16_64 * (x6 - x7);
-
- x2 = WRAPLOW(highbd_dct_const_round_shift(s2, bd), bd);
- x3 = WRAPLOW(highbd_dct_const_round_shift(s3, bd), bd);
- x6 = WRAPLOW(highbd_dct_const_round_shift(s6, bd), bd);
- x7 = WRAPLOW(highbd_dct_const_round_shift(s7, bd), bd);
-
- output[0] = WRAPLOW(x0, bd);
- output[1] = WRAPLOW(-x4, bd);
- output[2] = WRAPLOW(x6, bd);
- output[3] = WRAPLOW(-x2, bd);
- output[4] = WRAPLOW(x3, bd);
- output[5] = WRAPLOW(-x7, bd);
- output[6] = WRAPLOW(x5, bd);
- output[7] = WRAPLOW(-x1, bd);
-}
-
static const highbd_transform_2d HIGH_IHT_8[] = {
- { vp9_highbd_idct8, vp9_highbd_idct8 }, // DCT_DCT = 0
- { highbd_iadst8, vp9_highbd_idct8 }, // ADST_DCT = 1
- { vp9_highbd_idct8, highbd_iadst8 }, // DCT_ADST = 2
- { highbd_iadst8, highbd_iadst8 } // ADST_ADST = 3
+ { vp9_highbd_idct8_c, vp9_highbd_idct8_c }, // DCT_DCT = 0
+ { highbd_iadst8_c, vp9_highbd_idct8_c }, // ADST_DCT = 1
+ { vp9_highbd_idct8_c, highbd_iadst8_c }, // DCT_ADST = 2
+ { highbd_iadst8_c, highbd_iadst8_c } // ADST_ADST = 3
};
void vp9_highbd_iht8x8_64_add_c(const tran_low_t *input, uint8_t *dest8,
@@ -1851,402 +276,11 @@
}
}
-void vp9_highbd_idct8x8_10_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[8 * 8] = { 0 };
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[8], temp_out[8];
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- // First transform rows.
- // Only first 4 row has non-zero coefs.
- for (i = 0; i < 4; ++i) {
- vp9_highbd_idct8(input, outptr, bd);
- input += 8;
- outptr += 8;
- }
- // Then transform columns.
- for (i = 0; i < 8; ++i) {
- for (j = 0; j < 8; ++j)
- temp_in[j] = out[j * 8 + i];
- vp9_highbd_idct8(temp_in, temp_out, bd);
- for (j = 0; j < 8; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
- }
- }
-}
-
-void vp9_highbd_idct16(const tran_low_t *input, tran_low_t *output, int bd) {
- tran_low_t step1[16], step2[16];
- tran_high_t temp1, temp2;
- (void) bd;
-
- // stage 1
- step1[0] = input[0/2];
- step1[1] = input[16/2];
- step1[2] = input[8/2];
- step1[3] = input[24/2];
- step1[4] = input[4/2];
- step1[5] = input[20/2];
- step1[6] = input[12/2];
- step1[7] = input[28/2];
- step1[8] = input[2/2];
- step1[9] = input[18/2];
- step1[10] = input[10/2];
- step1[11] = input[26/2];
- step1[12] = input[6/2];
- step1[13] = input[22/2];
- step1[14] = input[14/2];
- step1[15] = input[30/2];
-
- // stage 2
- step2[0] = step1[0];
- step2[1] = step1[1];
- step2[2] = step1[2];
- step2[3] = step1[3];
- step2[4] = step1[4];
- step2[5] = step1[5];
- step2[6] = step1[6];
- step2[7] = step1[7];
-
- temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
- temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
- step2[8] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[15] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
- temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
- step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
- temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
- step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
- temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
- step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- // stage 3
- step1[0] = step2[0];
- step1[1] = step2[1];
- step1[2] = step2[2];
- step1[3] = step2[3];
-
- temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
- temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
- step1[4] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[7] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
- temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
- step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- step1[8] = WRAPLOW(step2[8] + step2[9], bd);
- step1[9] = WRAPLOW(step2[8] - step2[9], bd);
- step1[10] = WRAPLOW(-step2[10] + step2[11], bd);
- step1[11] = WRAPLOW(step2[10] + step2[11], bd);
- step1[12] = WRAPLOW(step2[12] + step2[13], bd);
- step1[13] = WRAPLOW(step2[12] - step2[13], bd);
- step1[14] = WRAPLOW(-step2[14] + step2[15], bd);
- step1[15] = WRAPLOW(step2[14] + step2[15], bd);
-
- // stage 4
- temp1 = (step1[0] + step1[1]) * cospi_16_64;
- temp2 = (step1[0] - step1[1]) * cospi_16_64;
- step2[0] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[1] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
- temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
- step2[2] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[3] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step2[4] = WRAPLOW(step1[4] + step1[5], bd);
- step2[5] = WRAPLOW(step1[4] - step1[5], bd);
- step2[6] = WRAPLOW(-step1[6] + step1[7], bd);
- step2[7] = WRAPLOW(step1[6] + step1[7], bd);
-
- step2[8] = step1[8];
- step2[15] = step1[15];
- temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
- temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
- step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
- temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
- step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step2[11] = step1[11];
- step2[12] = step1[12];
-
- // stage 5
- step1[0] = WRAPLOW(step2[0] + step2[3], bd);
- step1[1] = WRAPLOW(step2[1] + step2[2], bd);
- step1[2] = WRAPLOW(step2[1] - step2[2], bd);
- step1[3] = WRAPLOW(step2[0] - step2[3], bd);
- step1[4] = step2[4];
- temp1 = (step2[6] - step2[5]) * cospi_16_64;
- temp2 = (step2[5] + step2[6]) * cospi_16_64;
- step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step1[7] = step2[7];
-
- step1[8] = WRAPLOW(step2[8] + step2[11], bd);
- step1[9] = WRAPLOW(step2[9] + step2[10], bd);
- step1[10] = WRAPLOW(step2[9] - step2[10], bd);
- step1[11] = WRAPLOW(step2[8] - step2[11], bd);
- step1[12] = WRAPLOW(-step2[12] + step2[15], bd);
- step1[13] = WRAPLOW(-step2[13] + step2[14], bd);
- step1[14] = WRAPLOW(step2[13] + step2[14], bd);
- step1[15] = WRAPLOW(step2[12] + step2[15], bd);
-
- // stage 6
- step2[0] = WRAPLOW(step1[0] + step1[7], bd);
- step2[1] = WRAPLOW(step1[1] + step1[6], bd);
- step2[2] = WRAPLOW(step1[2] + step1[5], bd);
- step2[3] = WRAPLOW(step1[3] + step1[4], bd);
- step2[4] = WRAPLOW(step1[3] - step1[4], bd);
- step2[5] = WRAPLOW(step1[2] - step1[5], bd);
- step2[6] = WRAPLOW(step1[1] - step1[6], bd);
- step2[7] = WRAPLOW(step1[0] - step1[7], bd);
- step2[8] = step1[8];
- step2[9] = step1[9];
- temp1 = (-step1[10] + step1[13]) * cospi_16_64;
- temp2 = (step1[10] + step1[13]) * cospi_16_64;
- step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = (-step1[11] + step1[12]) * cospi_16_64;
- temp2 = (step1[11] + step1[12]) * cospi_16_64;
- step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step2[14] = step1[14];
- step2[15] = step1[15];
-
- // stage 7
- output[0] = WRAPLOW(step2[0] + step2[15], bd);
- output[1] = WRAPLOW(step2[1] + step2[14], bd);
- output[2] = WRAPLOW(step2[2] + step2[13], bd);
- output[3] = WRAPLOW(step2[3] + step2[12], bd);
- output[4] = WRAPLOW(step2[4] + step2[11], bd);
- output[5] = WRAPLOW(step2[5] + step2[10], bd);
- output[6] = WRAPLOW(step2[6] + step2[9], bd);
- output[7] = WRAPLOW(step2[7] + step2[8], bd);
- output[8] = WRAPLOW(step2[7] - step2[8], bd);
- output[9] = WRAPLOW(step2[6] - step2[9], bd);
- output[10] = WRAPLOW(step2[5] - step2[10], bd);
- output[11] = WRAPLOW(step2[4] - step2[11], bd);
- output[12] = WRAPLOW(step2[3] - step2[12], bd);
- output[13] = WRAPLOW(step2[2] - step2[13], bd);
- output[14] = WRAPLOW(step2[1] - step2[14], bd);
- output[15] = WRAPLOW(step2[0] - step2[15], bd);
-}
-
-void vp9_highbd_idct16x16_256_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[16 * 16];
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[16], temp_out[16];
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- // First transform rows.
- for (i = 0; i < 16; ++i) {
- vp9_highbd_idct16(input, outptr, bd);
- input += 16;
- outptr += 16;
- }
-
- // Then transform columns.
- for (i = 0; i < 16; ++i) {
- for (j = 0; j < 16; ++j)
- temp_in[j] = out[j * 16 + i];
- vp9_highbd_idct16(temp_in, temp_out, bd);
- for (j = 0; j < 16; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
- }
- }
-}
-
-static void highbd_iadst16(const tran_low_t *input, tran_low_t *output,
- int bd) {
- tran_high_t s0, s1, s2, s3, s4, s5, s6, s7, s8;
- tran_high_t s9, s10, s11, s12, s13, s14, s15;
-
- tran_low_t x0 = input[15];
- tran_low_t x1 = input[0];
- tran_low_t x2 = input[13];
- tran_low_t x3 = input[2];
- tran_low_t x4 = input[11];
- tran_low_t x5 = input[4];
- tran_low_t x6 = input[9];
- tran_low_t x7 = input[6];
- tran_low_t x8 = input[7];
- tran_low_t x9 = input[8];
- tran_low_t x10 = input[5];
- tran_low_t x11 = input[10];
- tran_low_t x12 = input[3];
- tran_low_t x13 = input[12];
- tran_low_t x14 = input[1];
- tran_low_t x15 = input[14];
- (void) bd;
-
- if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8
- | x9 | x10 | x11 | x12 | x13 | x14 | x15)) {
- memset(output, 0, 16 * sizeof(*output));
- return;
- }
-
- // stage 1
- s0 = x0 * cospi_1_64 + x1 * cospi_31_64;
- s1 = x0 * cospi_31_64 - x1 * cospi_1_64;
- s2 = x2 * cospi_5_64 + x3 * cospi_27_64;
- s3 = x2 * cospi_27_64 - x3 * cospi_5_64;
- s4 = x4 * cospi_9_64 + x5 * cospi_23_64;
- s5 = x4 * cospi_23_64 - x5 * cospi_9_64;
- s6 = x6 * cospi_13_64 + x7 * cospi_19_64;
- s7 = x6 * cospi_19_64 - x7 * cospi_13_64;
- s8 = x8 * cospi_17_64 + x9 * cospi_15_64;
- s9 = x8 * cospi_15_64 - x9 * cospi_17_64;
- s10 = x10 * cospi_21_64 + x11 * cospi_11_64;
- s11 = x10 * cospi_11_64 - x11 * cospi_21_64;
- s12 = x12 * cospi_25_64 + x13 * cospi_7_64;
- s13 = x12 * cospi_7_64 - x13 * cospi_25_64;
- s14 = x14 * cospi_29_64 + x15 * cospi_3_64;
- s15 = x14 * cospi_3_64 - x15 * cospi_29_64;
-
- x0 = WRAPLOW(highbd_dct_const_round_shift(s0 + s8, bd), bd);
- x1 = WRAPLOW(highbd_dct_const_round_shift(s1 + s9, bd), bd);
- x2 = WRAPLOW(highbd_dct_const_round_shift(s2 + s10, bd), bd);
- x3 = WRAPLOW(highbd_dct_const_round_shift(s3 + s11, bd), bd);
- x4 = WRAPLOW(highbd_dct_const_round_shift(s4 + s12, bd), bd);
- x5 = WRAPLOW(highbd_dct_const_round_shift(s5 + s13, bd), bd);
- x6 = WRAPLOW(highbd_dct_const_round_shift(s6 + s14, bd), bd);
- x7 = WRAPLOW(highbd_dct_const_round_shift(s7 + s15, bd), bd);
- x8 = WRAPLOW(highbd_dct_const_round_shift(s0 - s8, bd), bd);
- x9 = WRAPLOW(highbd_dct_const_round_shift(s1 - s9, bd), bd);
- x10 = WRAPLOW(highbd_dct_const_round_shift(s2 - s10, bd), bd);
- x11 = WRAPLOW(highbd_dct_const_round_shift(s3 - s11, bd), bd);
- x12 = WRAPLOW(highbd_dct_const_round_shift(s4 - s12, bd), bd);
- x13 = WRAPLOW(highbd_dct_const_round_shift(s5 - s13, bd), bd);
- x14 = WRAPLOW(highbd_dct_const_round_shift(s6 - s14, bd), bd);
- x15 = WRAPLOW(highbd_dct_const_round_shift(s7 - s15, bd), bd);
-
- // stage 2
- s0 = x0;
- s1 = x1;
- s2 = x2;
- s3 = x3;
- s4 = x4;
- s5 = x5;
- s6 = x6;
- s7 = x7;
- s8 = x8 * cospi_4_64 + x9 * cospi_28_64;
- s9 = x8 * cospi_28_64 - x9 * cospi_4_64;
- s10 = x10 * cospi_20_64 + x11 * cospi_12_64;
- s11 = x10 * cospi_12_64 - x11 * cospi_20_64;
- s12 = -x12 * cospi_28_64 + x13 * cospi_4_64;
- s13 = x12 * cospi_4_64 + x13 * cospi_28_64;
- s14 = -x14 * cospi_12_64 + x15 * cospi_20_64;
- s15 = x14 * cospi_20_64 + x15 * cospi_12_64;
-
- x0 = WRAPLOW(s0 + s4, bd);
- x1 = WRAPLOW(s1 + s5, bd);
- x2 = WRAPLOW(s2 + s6, bd);
- x3 = WRAPLOW(s3 + s7, bd);
- x4 = WRAPLOW(s0 - s4, bd);
- x5 = WRAPLOW(s1 - s5, bd);
- x6 = WRAPLOW(s2 - s6, bd);
- x7 = WRAPLOW(s3 - s7, bd);
- x8 = WRAPLOW(highbd_dct_const_round_shift(s8 + s12, bd), bd);
- x9 = WRAPLOW(highbd_dct_const_round_shift(s9 + s13, bd), bd);
- x10 = WRAPLOW(highbd_dct_const_round_shift(s10 + s14, bd), bd);
- x11 = WRAPLOW(highbd_dct_const_round_shift(s11 + s15, bd), bd);
- x12 = WRAPLOW(highbd_dct_const_round_shift(s8 - s12, bd), bd);
- x13 = WRAPLOW(highbd_dct_const_round_shift(s9 - s13, bd), bd);
- x14 = WRAPLOW(highbd_dct_const_round_shift(s10 - s14, bd), bd);
- x15 = WRAPLOW(highbd_dct_const_round_shift(s11 - s15, bd), bd);
-
- // stage 3
- s0 = x0;
- s1 = x1;
- s2 = x2;
- s3 = x3;
- s4 = x4 * cospi_8_64 + x5 * cospi_24_64;
- s5 = x4 * cospi_24_64 - x5 * cospi_8_64;
- s6 = -x6 * cospi_24_64 + x7 * cospi_8_64;
- s7 = x6 * cospi_8_64 + x7 * cospi_24_64;
- s8 = x8;
- s9 = x9;
- s10 = x10;
- s11 = x11;
- s12 = x12 * cospi_8_64 + x13 * cospi_24_64;
- s13 = x12 * cospi_24_64 - x13 * cospi_8_64;
- s14 = -x14 * cospi_24_64 + x15 * cospi_8_64;
- s15 = x14 * cospi_8_64 + x15 * cospi_24_64;
-
- x0 = WRAPLOW(s0 + s2, bd);
- x1 = WRAPLOW(s1 + s3, bd);
- x2 = WRAPLOW(s0 - s2, bd);
- x3 = WRAPLOW(s1 - s3, bd);
- x4 = WRAPLOW(highbd_dct_const_round_shift(s4 + s6, bd), bd);
- x5 = WRAPLOW(highbd_dct_const_round_shift(s5 + s7, bd), bd);
- x6 = WRAPLOW(highbd_dct_const_round_shift(s4 - s6, bd), bd);
- x7 = WRAPLOW(highbd_dct_const_round_shift(s5 - s7, bd), bd);
- x8 = WRAPLOW(s8 + s10, bd);
- x9 = WRAPLOW(s9 + s11, bd);
- x10 = WRAPLOW(s8 - s10, bd);
- x11 = WRAPLOW(s9 - s11, bd);
- x12 = WRAPLOW(highbd_dct_const_round_shift(s12 + s14, bd), bd);
- x13 = WRAPLOW(highbd_dct_const_round_shift(s13 + s15, bd), bd);
- x14 = WRAPLOW(highbd_dct_const_round_shift(s12 - s14, bd), bd);
- x15 = WRAPLOW(highbd_dct_const_round_shift(s13 - s15, bd), bd);
-
- // stage 4
- s2 = (- cospi_16_64) * (x2 + x3);
- s3 = cospi_16_64 * (x2 - x3);
- s6 = cospi_16_64 * (x6 + x7);
- s7 = cospi_16_64 * (-x6 + x7);
- s10 = cospi_16_64 * (x10 + x11);
- s11 = cospi_16_64 * (-x10 + x11);
- s14 = (- cospi_16_64) * (x14 + x15);
- s15 = cospi_16_64 * (x14 - x15);
-
- x2 = WRAPLOW(highbd_dct_const_round_shift(s2, bd), bd);
- x3 = WRAPLOW(highbd_dct_const_round_shift(s3, bd), bd);
- x6 = WRAPLOW(highbd_dct_const_round_shift(s6, bd), bd);
- x7 = WRAPLOW(highbd_dct_const_round_shift(s7, bd), bd);
- x10 = WRAPLOW(highbd_dct_const_round_shift(s10, bd), bd);
- x11 = WRAPLOW(highbd_dct_const_round_shift(s11, bd), bd);
- x14 = WRAPLOW(highbd_dct_const_round_shift(s14, bd), bd);
- x15 = WRAPLOW(highbd_dct_const_round_shift(s15, bd), bd);
-
- output[0] = WRAPLOW(x0, bd);
- output[1] = WRAPLOW(-x8, bd);
- output[2] = WRAPLOW(x12, bd);
- output[3] = WRAPLOW(-x4, bd);
- output[4] = WRAPLOW(x6, bd);
- output[5] = WRAPLOW(x14, bd);
- output[6] = WRAPLOW(x10, bd);
- output[7] = WRAPLOW(x2, bd);
- output[8] = WRAPLOW(x3, bd);
- output[9] = WRAPLOW(x11, bd);
- output[10] = WRAPLOW(x15, bd);
- output[11] = WRAPLOW(x7, bd);
- output[12] = WRAPLOW(x5, bd);
- output[13] = WRAPLOW(-x13, bd);
- output[14] = WRAPLOW(x9, bd);
- output[15] = WRAPLOW(-x1, bd);
-}
-
static const highbd_transform_2d HIGH_IHT_16[] = {
- { vp9_highbd_idct16, vp9_highbd_idct16 }, // DCT_DCT = 0
- { highbd_iadst16, vp9_highbd_idct16 }, // ADST_DCT = 1
- { vp9_highbd_idct16, highbd_iadst16 }, // DCT_ADST = 2
- { highbd_iadst16, highbd_iadst16 } // ADST_ADST = 3
+ { vp9_highbd_idct16_c, vp9_highbd_idct16_c }, // DCT_DCT = 0
+ { highbd_iadst16_c, vp9_highbd_idct16_c }, // ADST_DCT = 1
+ { vp9_highbd_idct16_c, highbd_iadst16_c }, // DCT_ADST = 2
+ { highbd_iadst16_c, highbd_iadst16_c } // ADST_ADST = 3
};
void vp9_highbd_iht16x16_256_add_c(const tran_low_t *input, uint8_t *dest8,
@@ -2277,504 +311,6 @@
}
}
-void vp9_highbd_idct16x16_10_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[16 * 16] = { 0 };
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[16], temp_out[16];
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- // First transform rows. Since all non-zero dct coefficients are in
- // upper-left 4x4 area, we only need to calculate first 4 rows here.
- for (i = 0; i < 4; ++i) {
- vp9_highbd_idct16(input, outptr, bd);
- input += 16;
- outptr += 16;
- }
-
- // Then transform columns.
- for (i = 0; i < 16; ++i) {
- for (j = 0; j < 16; ++j)
- temp_in[j] = out[j*16 + i];
- vp9_highbd_idct16(temp_in, temp_out, bd);
- for (j = 0; j < 16; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
- }
- }
-}
-
-void vp9_highbd_idct16x16_1_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- int i, j;
- tran_high_t a1;
- tran_low_t out = WRAPLOW(
- highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd);
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd);
- a1 = ROUND_POWER_OF_TWO(out, 6);
- for (j = 0; j < 16; ++j) {
- for (i = 0; i < 16; ++i)
- dest[i] = highbd_clip_pixel_add(dest[i], a1, bd);
- dest += stride;
- }
-}
-
-static void highbd_idct32(const tran_low_t *input, tran_low_t *output, int bd) {
- tran_low_t step1[32], step2[32];
- tran_high_t temp1, temp2;
- (void) bd;
-
- // stage 1
- step1[0] = input[0];
- step1[1] = input[16];
- step1[2] = input[8];
- step1[3] = input[24];
- step1[4] = input[4];
- step1[5] = input[20];
- step1[6] = input[12];
- step1[7] = input[28];
- step1[8] = input[2];
- step1[9] = input[18];
- step1[10] = input[10];
- step1[11] = input[26];
- step1[12] = input[6];
- step1[13] = input[22];
- step1[14] = input[14];
- step1[15] = input[30];
-
- temp1 = input[1] * cospi_31_64 - input[31] * cospi_1_64;
- temp2 = input[1] * cospi_1_64 + input[31] * cospi_31_64;
- step1[16] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[31] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = input[17] * cospi_15_64 - input[15] * cospi_17_64;
- temp2 = input[17] * cospi_17_64 + input[15] * cospi_15_64;
- step1[17] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[30] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = input[9] * cospi_23_64 - input[23] * cospi_9_64;
- temp2 = input[9] * cospi_9_64 + input[23] * cospi_23_64;
- step1[18] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[29] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = input[25] * cospi_7_64 - input[7] * cospi_25_64;
- temp2 = input[25] * cospi_25_64 + input[7] * cospi_7_64;
- step1[19] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[28] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = input[5] * cospi_27_64 - input[27] * cospi_5_64;
- temp2 = input[5] * cospi_5_64 + input[27] * cospi_27_64;
- step1[20] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[27] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = input[21] * cospi_11_64 - input[11] * cospi_21_64;
- temp2 = input[21] * cospi_21_64 + input[11] * cospi_11_64;
- step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = input[13] * cospi_19_64 - input[19] * cospi_13_64;
- temp2 = input[13] * cospi_13_64 + input[19] * cospi_19_64;
- step1[22] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[25] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = input[29] * cospi_3_64 - input[3] * cospi_29_64;
- temp2 = input[29] * cospi_29_64 + input[3] * cospi_3_64;
- step1[23] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[24] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- // stage 2
- step2[0] = step1[0];
- step2[1] = step1[1];
- step2[2] = step1[2];
- step2[3] = step1[3];
- step2[4] = step1[4];
- step2[5] = step1[5];
- step2[6] = step1[6];
- step2[7] = step1[7];
-
- temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
- temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
- step2[8] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[15] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
- temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
- step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
- temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
- step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
- temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
- step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- step2[16] = WRAPLOW(step1[16] + step1[17], bd);
- step2[17] = WRAPLOW(step1[16] - step1[17], bd);
- step2[18] = WRAPLOW(-step1[18] + step1[19], bd);
- step2[19] = WRAPLOW(step1[18] + step1[19], bd);
- step2[20] = WRAPLOW(step1[20] + step1[21], bd);
- step2[21] = WRAPLOW(step1[20] - step1[21], bd);
- step2[22] = WRAPLOW(-step1[22] + step1[23], bd);
- step2[23] = WRAPLOW(step1[22] + step1[23], bd);
- step2[24] = WRAPLOW(step1[24] + step1[25], bd);
- step2[25] = WRAPLOW(step1[24] - step1[25], bd);
- step2[26] = WRAPLOW(-step1[26] + step1[27], bd);
- step2[27] = WRAPLOW(step1[26] + step1[27], bd);
- step2[28] = WRAPLOW(step1[28] + step1[29], bd);
- step2[29] = WRAPLOW(step1[28] - step1[29], bd);
- step2[30] = WRAPLOW(-step1[30] + step1[31], bd);
- step2[31] = WRAPLOW(step1[30] + step1[31], bd);
-
- // stage 3
- step1[0] = step2[0];
- step1[1] = step2[1];
- step1[2] = step2[2];
- step1[3] = step2[3];
-
- temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
- temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
- step1[4] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[7] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
- temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
- step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
-
- step1[8] = WRAPLOW(step2[8] + step2[9], bd);
- step1[9] = WRAPLOW(step2[8] - step2[9], bd);
- step1[10] = WRAPLOW(-step2[10] + step2[11], bd);
- step1[11] = WRAPLOW(step2[10] + step2[11], bd);
- step1[12] = WRAPLOW(step2[12] + step2[13], bd);
- step1[13] = WRAPLOW(step2[12] - step2[13], bd);
- step1[14] = WRAPLOW(-step2[14] + step2[15], bd);
- step1[15] = WRAPLOW(step2[14] + step2[15], bd);
-
- step1[16] = step2[16];
- step1[31] = step2[31];
- temp1 = -step2[17] * cospi_4_64 + step2[30] * cospi_28_64;
- temp2 = step2[17] * cospi_28_64 + step2[30] * cospi_4_64;
- step1[17] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[30] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = -step2[18] * cospi_28_64 - step2[29] * cospi_4_64;
- temp2 = -step2[18] * cospi_4_64 + step2[29] * cospi_28_64;
- step1[18] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[29] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step1[19] = step2[19];
- step1[20] = step2[20];
- temp1 = -step2[21] * cospi_20_64 + step2[26] * cospi_12_64;
- temp2 = step2[21] * cospi_12_64 + step2[26] * cospi_20_64;
- step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = -step2[22] * cospi_12_64 - step2[25] * cospi_20_64;
- temp2 = -step2[22] * cospi_20_64 + step2[25] * cospi_12_64;
- step1[22] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[25] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step1[23] = step2[23];
- step1[24] = step2[24];
- step1[27] = step2[27];
- step1[28] = step2[28];
-
- // stage 4
- temp1 = (step1[0] + step1[1]) * cospi_16_64;
- temp2 = (step1[0] - step1[1]) * cospi_16_64;
- step2[0] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[1] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
- temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
- step2[2] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[3] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step2[4] = WRAPLOW(step1[4] + step1[5], bd);
- step2[5] = WRAPLOW(step1[4] - step1[5], bd);
- step2[6] = WRAPLOW(-step1[6] + step1[7], bd);
- step2[7] = WRAPLOW(step1[6] + step1[7], bd);
-
- step2[8] = step1[8];
- step2[15] = step1[15];
- temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
- temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
- step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
- temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
- step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step2[11] = step1[11];
- step2[12] = step1[12];
-
- step2[16] = WRAPLOW(step1[16] + step1[19], bd);
- step2[17] = WRAPLOW(step1[17] + step1[18], bd);
- step2[18] = WRAPLOW(step1[17] - step1[18], bd);
- step2[19] = WRAPLOW(step1[16] - step1[19], bd);
- step2[20] = WRAPLOW(-step1[20] + step1[23], bd);
- step2[21] = WRAPLOW(-step1[21] + step1[22], bd);
- step2[22] = WRAPLOW(step1[21] + step1[22], bd);
- step2[23] = WRAPLOW(step1[20] + step1[23], bd);
-
- step2[24] = WRAPLOW(step1[24] + step1[27], bd);
- step2[25] = WRAPLOW(step1[25] + step1[26], bd);
- step2[26] = WRAPLOW(step1[25] - step1[26], bd);
- step2[27] = WRAPLOW(step1[24] - step1[27], bd);
- step2[28] = WRAPLOW(-step1[28] + step1[31], bd);
- step2[29] = WRAPLOW(-step1[29] + step1[30], bd);
- step2[30] = WRAPLOW(step1[29] + step1[30], bd);
- step2[31] = WRAPLOW(step1[28] + step1[31], bd);
-
- // stage 5
- step1[0] = WRAPLOW(step2[0] + step2[3], bd);
- step1[1] = WRAPLOW(step2[1] + step2[2], bd);
- step1[2] = WRAPLOW(step2[1] - step2[2], bd);
- step1[3] = WRAPLOW(step2[0] - step2[3], bd);
- step1[4] = step2[4];
- temp1 = (step2[6] - step2[5]) * cospi_16_64;
- temp2 = (step2[5] + step2[6]) * cospi_16_64;
- step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step1[7] = step2[7];
-
- step1[8] = WRAPLOW(step2[8] + step2[11], bd);
- step1[9] = WRAPLOW(step2[9] + step2[10], bd);
- step1[10] = WRAPLOW(step2[9] - step2[10], bd);
- step1[11] = WRAPLOW(step2[8] - step2[11], bd);
- step1[12] = WRAPLOW(-step2[12] + step2[15], bd);
- step1[13] = WRAPLOW(-step2[13] + step2[14], bd);
- step1[14] = WRAPLOW(step2[13] + step2[14], bd);
- step1[15] = WRAPLOW(step2[12] + step2[15], bd);
-
- step1[16] = step2[16];
- step1[17] = step2[17];
- temp1 = -step2[18] * cospi_8_64 + step2[29] * cospi_24_64;
- temp2 = step2[18] * cospi_24_64 + step2[29] * cospi_8_64;
- step1[18] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[29] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = -step2[19] * cospi_8_64 + step2[28] * cospi_24_64;
- temp2 = step2[19] * cospi_24_64 + step2[28] * cospi_8_64;
- step1[19] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[28] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = -step2[20] * cospi_24_64 - step2[27] * cospi_8_64;
- temp2 = -step2[20] * cospi_8_64 + step2[27] * cospi_24_64;
- step1[20] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[27] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = -step2[21] * cospi_24_64 - step2[26] * cospi_8_64;
- temp2 = -step2[21] * cospi_8_64 + step2[26] * cospi_24_64;
- step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step1[22] = step2[22];
- step1[23] = step2[23];
- step1[24] = step2[24];
- step1[25] = step2[25];
- step1[30] = step2[30];
- step1[31] = step2[31];
-
- // stage 6
- step2[0] = WRAPLOW(step1[0] + step1[7], bd);
- step2[1] = WRAPLOW(step1[1] + step1[6], bd);
- step2[2] = WRAPLOW(step1[2] + step1[5], bd);
- step2[3] = WRAPLOW(step1[3] + step1[4], bd);
- step2[4] = WRAPLOW(step1[3] - step1[4], bd);
- step2[5] = WRAPLOW(step1[2] - step1[5], bd);
- step2[6] = WRAPLOW(step1[1] - step1[6], bd);
- step2[7] = WRAPLOW(step1[0] - step1[7], bd);
- step2[8] = step1[8];
- step2[9] = step1[9];
- temp1 = (-step1[10] + step1[13]) * cospi_16_64;
- temp2 = (step1[10] + step1[13]) * cospi_16_64;
- step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = (-step1[11] + step1[12]) * cospi_16_64;
- temp2 = (step1[11] + step1[12]) * cospi_16_64;
- step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step2[14] = step1[14];
- step2[15] = step1[15];
-
- step2[16] = WRAPLOW(step1[16] + step1[23], bd);
- step2[17] = WRAPLOW(step1[17] + step1[22], bd);
- step2[18] = WRAPLOW(step1[18] + step1[21], bd);
- step2[19] = WRAPLOW(step1[19] + step1[20], bd);
- step2[20] = WRAPLOW(step1[19] - step1[20], bd);
- step2[21] = WRAPLOW(step1[18] - step1[21], bd);
- step2[22] = WRAPLOW(step1[17] - step1[22], bd);
- step2[23] = WRAPLOW(step1[16] - step1[23], bd);
-
- step2[24] = WRAPLOW(-step1[24] + step1[31], bd);
- step2[25] = WRAPLOW(-step1[25] + step1[30], bd);
- step2[26] = WRAPLOW(-step1[26] + step1[29], bd);
- step2[27] = WRAPLOW(-step1[27] + step1[28], bd);
- step2[28] = WRAPLOW(step1[27] + step1[28], bd);
- step2[29] = WRAPLOW(step1[26] + step1[29], bd);
- step2[30] = WRAPLOW(step1[25] + step1[30], bd);
- step2[31] = WRAPLOW(step1[24] + step1[31], bd);
-
- // stage 7
- step1[0] = WRAPLOW(step2[0] + step2[15], bd);
- step1[1] = WRAPLOW(step2[1] + step2[14], bd);
- step1[2] = WRAPLOW(step2[2] + step2[13], bd);
- step1[3] = WRAPLOW(step2[3] + step2[12], bd);
- step1[4] = WRAPLOW(step2[4] + step2[11], bd);
- step1[5] = WRAPLOW(step2[5] + step2[10], bd);
- step1[6] = WRAPLOW(step2[6] + step2[9], bd);
- step1[7] = WRAPLOW(step2[7] + step2[8], bd);
- step1[8] = WRAPLOW(step2[7] - step2[8], bd);
- step1[9] = WRAPLOW(step2[6] - step2[9], bd);
- step1[10] = WRAPLOW(step2[5] - step2[10], bd);
- step1[11] = WRAPLOW(step2[4] - step2[11], bd);
- step1[12] = WRAPLOW(step2[3] - step2[12], bd);
- step1[13] = WRAPLOW(step2[2] - step2[13], bd);
- step1[14] = WRAPLOW(step2[1] - step2[14], bd);
- step1[15] = WRAPLOW(step2[0] - step2[15], bd);
-
- step1[16] = step2[16];
- step1[17] = step2[17];
- step1[18] = step2[18];
- step1[19] = step2[19];
- temp1 = (-step2[20] + step2[27]) * cospi_16_64;
- temp2 = (step2[20] + step2[27]) * cospi_16_64;
- step1[20] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[27] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = (-step2[21] + step2[26]) * cospi_16_64;
- temp2 = (step2[21] + step2[26]) * cospi_16_64;
- step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = (-step2[22] + step2[25]) * cospi_16_64;
- temp2 = (step2[22] + step2[25]) * cospi_16_64;
- step1[22] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[25] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- temp1 = (-step2[23] + step2[24]) * cospi_16_64;
- temp2 = (step2[23] + step2[24]) * cospi_16_64;
- step1[23] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
- step1[24] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
- step1[28] = step2[28];
- step1[29] = step2[29];
- step1[30] = step2[30];
- step1[31] = step2[31];
-
- // final stage
- output[0] = WRAPLOW(step1[0] + step1[31], bd);
- output[1] = WRAPLOW(step1[1] + step1[30], bd);
- output[2] = WRAPLOW(step1[2] + step1[29], bd);
- output[3] = WRAPLOW(step1[3] + step1[28], bd);
- output[4] = WRAPLOW(step1[4] + step1[27], bd);
- output[5] = WRAPLOW(step1[5] + step1[26], bd);
- output[6] = WRAPLOW(step1[6] + step1[25], bd);
- output[7] = WRAPLOW(step1[7] + step1[24], bd);
- output[8] = WRAPLOW(step1[8] + step1[23], bd);
- output[9] = WRAPLOW(step1[9] + step1[22], bd);
- output[10] = WRAPLOW(step1[10] + step1[21], bd);
- output[11] = WRAPLOW(step1[11] + step1[20], bd);
- output[12] = WRAPLOW(step1[12] + step1[19], bd);
- output[13] = WRAPLOW(step1[13] + step1[18], bd);
- output[14] = WRAPLOW(step1[14] + step1[17], bd);
- output[15] = WRAPLOW(step1[15] + step1[16], bd);
- output[16] = WRAPLOW(step1[15] - step1[16], bd);
- output[17] = WRAPLOW(step1[14] - step1[17], bd);
- output[18] = WRAPLOW(step1[13] - step1[18], bd);
- output[19] = WRAPLOW(step1[12] - step1[19], bd);
- output[20] = WRAPLOW(step1[11] - step1[20], bd);
- output[21] = WRAPLOW(step1[10] - step1[21], bd);
- output[22] = WRAPLOW(step1[9] - step1[22], bd);
- output[23] = WRAPLOW(step1[8] - step1[23], bd);
- output[24] = WRAPLOW(step1[7] - step1[24], bd);
- output[25] = WRAPLOW(step1[6] - step1[25], bd);
- output[26] = WRAPLOW(step1[5] - step1[26], bd);
- output[27] = WRAPLOW(step1[4] - step1[27], bd);
- output[28] = WRAPLOW(step1[3] - step1[28], bd);
- output[29] = WRAPLOW(step1[2] - step1[29], bd);
- output[30] = WRAPLOW(step1[1] - step1[30], bd);
- output[31] = WRAPLOW(step1[0] - step1[31], bd);
-}
-
-void vp9_highbd_idct32x32_1024_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[32 * 32];
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[32], temp_out[32];
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- // Rows
- for (i = 0; i < 32; ++i) {
- tran_low_t zero_coeff[16];
- for (j = 0; j < 16; ++j)
- zero_coeff[j] = input[2 * j] | input[2 * j + 1];
- for (j = 0; j < 8; ++j)
- zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
- for (j = 0; j < 4; ++j)
- zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
- for (j = 0; j < 2; ++j)
- zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
-
- if (zero_coeff[0] | zero_coeff[1])
- highbd_idct32(input, outptr, bd);
- else
- memset(outptr, 0, sizeof(tran_low_t) * 32);
- input += 32;
- outptr += 32;
- }
-
- // Columns
- for (i = 0; i < 32; ++i) {
- for (j = 0; j < 32; ++j)
- temp_in[j] = out[j * 32 + i];
- highbd_idct32(temp_in, temp_out, bd);
- for (j = 0; j < 32; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
- }
- }
-}
-
-void vp9_highbd_idct32x32_34_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[32 * 32] = {0};
- tran_low_t *outptr = out;
- int i, j;
- tran_low_t temp_in[32], temp_out[32];
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- // Rows
- // Only upper-left 8x8 has non-zero coeff.
- for (i = 0; i < 8; ++i) {
- highbd_idct32(input, outptr, bd);
- input += 32;
- outptr += 32;
- }
- // Columns
- for (i = 0; i < 32; ++i) {
- for (j = 0; j < 32; ++j)
- temp_in[j] = out[j * 32 + i];
- highbd_idct32(temp_in, temp_out, bd);
- for (j = 0; j < 32; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
- }
- }
-}
-
-void vp9_highbd_idct32x32_1_add_c(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- int i, j;
- int a1;
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
-
- tran_low_t out = WRAPLOW(
- highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd);
- out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd);
- a1 = ROUND_POWER_OF_TWO(out, 6);
-
- for (j = 0; j < 32; ++j) {
- for (i = 0; i < 32; ++i)
- dest[i] = highbd_clip_pixel_add(dest[i], a1, bd);
- dest += stride;
- }
-}
-
// idct
void vp9_highbd_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
int eob, int bd) {
diff --git a/vp9/common/vp9_idct.h b/vp9/common/vp9_idct.h
index 1a4ea2f..7a7dc1d 100644
--- a/vp9/common/vp9_idct.h
+++ b/vp9/common/vp9_idct.h
@@ -14,63 +14,16 @@
#include <assert.h>
#include "./vpx_config.h"
-#include "vpx_dsp/txfm_common.h"
-#if CONFIG_VP9_HIGHBITDEPTH
-#include "vpx_dsp/vpx_dsp_common.h"
-#endif // CONFIG_VP9_HIGHBITDEPTH
-#include "vpx_ports/mem.h"
#include "vp9/common/vp9_common.h"
#include "vp9/common/vp9_enums.h"
+#include "vpx_dsp/inv_txfm.h"
+#include "vpx_dsp/txfm_common.h"
+#include "vpx_ports/mem.h"
#ifdef __cplusplus
extern "C" {
#endif
-static INLINE tran_low_t check_range(tran_high_t input) {
-#if CONFIG_COEFFICIENT_RANGE_CHECKING
- // For valid VP9 input streams, intermediate stage coefficients should always
- // stay within the range of a signed 16 bit integer. Coefficients can go out
- // of this range for invalid/corrupt VP9 streams. However, strictly checking
- // this range for every intermediate coefficient can burdensome for a decoder,
- // therefore the following assertion is only enabled when configured with
- // --enable-coefficient-range-checking.
- assert(INT16_MIN <= input);
- assert(input <= INT16_MAX);
-#endif // CONFIG_COEFFICIENT_RANGE_CHECKING
- return (tran_low_t)input;
-}
-
-static INLINE tran_low_t dct_const_round_shift(tran_high_t input) {
- tran_high_t rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS);
- return check_range(rv);
-}
-
-#if CONFIG_VP9_HIGHBITDEPTH
-static INLINE tran_low_t highbd_check_range(tran_high_t input,
- int bd) {
-#if CONFIG_COEFFICIENT_RANGE_CHECKING
- // For valid highbitdepth VP9 streams, intermediate stage coefficients will
- // stay within the ranges:
- // - 8 bit: signed 16 bit integer
- // - 10 bit: signed 18 bit integer
- // - 12 bit: signed 20 bit integer
- const int32_t int_max = (1 << (7 + bd)) - 1;
- const int32_t int_min = -int_max - 1;
- assert(int_min <= input);
- assert(input <= int_max);
- (void) int_min;
-#endif // CONFIG_COEFFICIENT_RANGE_CHECKING
- (void) bd;
- return (tran_low_t)input;
-}
-
-static INLINE tran_low_t highbd_dct_const_round_shift(tran_high_t input,
- int bd) {
- tran_high_t rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS);
- return highbd_check_range(rv, bd);
-}
-#endif // CONFIG_VP9_HIGHBITDEPTH
-
typedef void (*transform_1d)(const tran_low_t*, tran_low_t*);
typedef struct {
@@ -85,28 +38,6 @@
} highbd_transform_2d;
#endif // CONFIG_VP9_HIGHBITDEPTH
-#if CONFIG_EMULATE_HARDWARE
-// When CONFIG_EMULATE_HARDWARE is 1 the transform performs a
-// non-normative method to handle overflows. A stream that causes
-// overflows in the inverse transform is considered invalid in VP9,
-// and a hardware implementer is free to choose any reasonable
-// method to handle overflows. However to aid in hardware
-// verification they can use a specific implementation of the
-// WRAPLOW() macro below that is identical to their intended
-// hardware implementation (and also use configure options to trigger
-// the C-implementation of the transform).
-//
-// The particular WRAPLOW implementation below performs strict
-// overflow wrapping to match common hardware implementations.
-// bd of 8 uses trans_low with 16bits, need to remove 16bits
-// bd of 10 uses trans_low with 18bits, need to remove 14bits
-// bd of 12 uses trans_low with 20bits, need to remove 12bits
-// bd of x uses trans_low with 8+x bits, need to remove 24-x bits
-#define WRAPLOW(x, bd) ((((int32_t)(x)) << (24 - bd)) >> (24 - bd))
-#else
-#define WRAPLOW(x, bd) ((int32_t)(x))
-#endif // CONFIG_EMULATE_HARDWARE
-
void vp9_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
int eob);
void vp9_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
@@ -126,9 +57,6 @@
int stride, int eob);
#if CONFIG_VP9_HIGHBITDEPTH
-void vp9_highbd_idct4(const tran_low_t *input, tran_low_t *output, int bd);
-void vp9_highbd_idct8(const tran_low_t *input, tran_low_t *output, int bd);
-void vp9_highbd_idct16(const tran_low_t *input, tran_low_t *output, int bd);
void vp9_highbd_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
int eob, int bd);
void vp9_highbd_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
@@ -145,11 +73,6 @@
uint8_t *dest, int stride, int eob, int bd);
void vp9_highbd_iht16x16_add(TX_TYPE tx_type, const tran_low_t *input,
uint8_t *dest, int stride, int eob, int bd);
-static INLINE uint16_t highbd_clip_pixel_add(uint16_t dest, tran_high_t trans,
- int bd) {
- trans = WRAPLOW(trans, bd);
- return clip_pixel_highbd(WRAPLOW(dest + trans, bd), bd);
-}
#endif // CONFIG_VP9_HIGHBITDEPTH
#ifdef __cplusplus
} // extern "C"
diff --git a/vp9/common/vp9_rtcd_defs.pl b/vp9/common/vp9_rtcd_defs.pl
index 883733f..c173101 100644
--- a/vp9/common/vp9_rtcd_defs.pl
+++ b/vp9/common/vp9_rtcd_defs.pl
@@ -87,39 +87,6 @@
if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") {
# Note as optimized versions of these functions are added we need to add a check to ensure
# that when CONFIG_EMULATE_HARDWARE is on, it defaults to the C versions only.
- add_proto qw/void vp9_idct4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct4x4_1_add/;
-
- add_proto qw/void vp9_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct4x4_16_add/;
-
- add_proto qw/void vp9_idct8x8_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct8x8_1_add/;
-
- add_proto qw/void vp9_idct8x8_64_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct8x8_64_add/;
-
- add_proto qw/void vp9_idct8x8_12_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct8x8_12_add/;
-
- add_proto qw/void vp9_idct16x16_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct16x16_1_add/;
-
- add_proto qw/void vp9_idct16x16_256_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct16x16_256_add/;
-
- add_proto qw/void vp9_idct16x16_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct16x16_10_add/;
-
- add_proto qw/void vp9_idct32x32_1024_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct32x32_1024_add/;
-
- add_proto qw/void vp9_idct32x32_34_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct32x32_34_add/;
-
- add_proto qw/void vp9_idct32x32_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct32x32_1_add/;
-
add_proto qw/void vp9_iht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int tx_type";
specialize qw/vp9_iht4x4_16_add/;
@@ -128,51 +95,9 @@
add_proto qw/void vp9_iht16x16_256_add/, "const tran_low_t *input, uint8_t *output, int pitch, int tx_type";
specialize qw/vp9_iht16x16_256_add/;
-
- # dct and add
-
- add_proto qw/void vp9_iwht4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_iwht4x4_1_add/;
-
- add_proto qw/void vp9_iwht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_iwht4x4_16_add/;
-
} else {
# Force C versions if CONFIG_EMULATE_HARDWARE is 1
if (vpx_config("CONFIG_EMULATE_HARDWARE") eq "yes") {
- add_proto qw/void vp9_idct4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct4x4_1_add/;
-
- add_proto qw/void vp9_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct4x4_16_add/;
-
- add_proto qw/void vp9_idct8x8_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct8x8_1_add/;
-
- add_proto qw/void vp9_idct8x8_64_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct8x8_64_add/;
-
- add_proto qw/void vp9_idct8x8_12_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct8x8_12_add/;
-
- add_proto qw/void vp9_idct16x16_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct16x16_1_add/;
-
- add_proto qw/void vp9_idct16x16_256_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct16x16_256_add/;
-
- add_proto qw/void vp9_idct16x16_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct16x16_10_add/;
-
- add_proto qw/void vp9_idct32x32_1024_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct32x32_1024_add/;
-
- add_proto qw/void vp9_idct32x32_34_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct32x32_34_add/;
-
- add_proto qw/void vp9_idct32x32_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct32x32_1_add/;
-
add_proto qw/void vp9_iht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int tx_type";
specialize qw/vp9_iht4x4_16_add/;
@@ -181,50 +106,7 @@
add_proto qw/void vp9_iht16x16_256_add/, "const tran_low_t *input, uint8_t *output, int pitch, int tx_type";
specialize qw/vp9_iht16x16_256_add/;
-
- # dct and add
-
- add_proto qw/void vp9_iwht4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_iwht4x4_1_add/;
-
- add_proto qw/void vp9_iwht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_iwht4x4_16_add/;
} else {
- add_proto qw/void vp9_idct4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct4x4_1_add sse2 neon dspr2 msa/;
-
- add_proto qw/void vp9_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct4x4_16_add sse2 neon dspr2 msa/;
-
- add_proto qw/void vp9_idct8x8_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct8x8_1_add sse2 neon dspr2 msa/;
-
- add_proto qw/void vp9_idct8x8_64_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct8x8_64_add sse2 neon dspr2 msa/, "$ssse3_x86_64_x86inc";
-
- add_proto qw/void vp9_idct8x8_12_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct8x8_12_add sse2 neon dspr2 msa/, "$ssse3_x86_64_x86inc";
-
- add_proto qw/void vp9_idct16x16_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct16x16_1_add sse2 neon dspr2 msa/;
-
- add_proto qw/void vp9_idct16x16_256_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct16x16_256_add sse2 neon dspr2 msa/;
-
- add_proto qw/void vp9_idct16x16_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct16x16_10_add sse2 neon dspr2 msa/;
-
- add_proto qw/void vp9_idct32x32_1024_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct32x32_1024_add sse2 neon dspr2 msa/;
-
- add_proto qw/void vp9_idct32x32_34_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct32x32_34_add sse2 neon_asm dspr2 msa/;
- #is this a typo?
- $vp9_idct32x32_34_add_neon_asm=vp9_idct32x32_1024_add_neon;
-
- add_proto qw/void vp9_idct32x32_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_idct32x32_1_add sse2 neon dspr2 msa/;
-
add_proto qw/void vp9_iht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int tx_type";
specialize qw/vp9_iht4x4_16_add sse2 neon dspr2 msa/;
@@ -233,14 +115,6 @@
add_proto qw/void vp9_iht16x16_256_add/, "const tran_low_t *input, uint8_t *output, int pitch, int tx_type";
specialize qw/vp9_iht16x16_256_add sse2 dspr2 msa/;
-
- # dct and add
-
- add_proto qw/void vp9_iwht4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_iwht4x4_1_add msa/;
-
- add_proto qw/void vp9_iwht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
- specialize qw/vp9_iwht4x4_16_add msa/, "$sse2_x86inc";
}
}
@@ -295,24 +169,6 @@
#
# Note as optimized versions of these functions are added we need to add a check to ensure
# that when CONFIG_EMULATE_HARDWARE is on, it defaults to the C versions only.
- add_proto qw/void vp9_highbd_idct4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct4x4_1_add/;
-
- add_proto qw/void vp9_highbd_idct8x8_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct8x8_1_add/;
-
- add_proto qw/void vp9_highbd_idct16x16_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct16x16_1_add/;
-
- add_proto qw/void vp9_highbd_idct32x32_1024_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct32x32_1024_add/;
-
- add_proto qw/void vp9_highbd_idct32x32_34_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct32x32_34_add/;
-
- add_proto qw/void vp9_highbd_idct32x32_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct32x32_1_add/;
-
add_proto qw/void vp9_highbd_iht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int tx_type, int bd";
specialize qw/vp9_highbd_iht4x4_16_add/;
@@ -321,50 +177,6 @@
add_proto qw/void vp9_highbd_iht16x16_256_add/, "const tran_low_t *input, uint8_t *output, int pitch, int tx_type, int bd";
specialize qw/vp9_highbd_iht16x16_256_add/;
-
- # dct and add
-
- add_proto qw/void vp9_highbd_iwht4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_iwht4x4_1_add/;
-
- add_proto qw/void vp9_highbd_iwht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_iwht4x4_16_add/;
-
- # Force C versions if CONFIG_EMULATE_HARDWARE is 1
- if (vpx_config("CONFIG_EMULATE_HARDWARE") eq "yes") {
-
- add_proto qw/void vp9_highbd_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct4x4_16_add/;
-
- add_proto qw/void vp9_highbd_idct8x8_64_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct8x8_64_add/;
-
- add_proto qw/void vp9_highbd_idct8x8_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct8x8_10_add/;
-
- add_proto qw/void vp9_highbd_idct16x16_256_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct16x16_256_add/;
-
- add_proto qw/void vp9_highbd_idct16x16_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct16x16_10_add/;
-
- } else {
-
- add_proto qw/void vp9_highbd_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct4x4_16_add sse2/;
-
- add_proto qw/void vp9_highbd_idct8x8_64_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct8x8_64_add sse2/;
-
- add_proto qw/void vp9_highbd_idct8x8_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct8x8_10_add sse2/;
-
- add_proto qw/void vp9_highbd_idct16x16_256_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct16x16_256_add sse2/;
-
- add_proto qw/void vp9_highbd_idct16x16_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
- specialize qw/vp9_highbd_idct16x16_10_add sse2/;
- }
}
#
diff --git a/vp9/common/x86/vp9_idct_intrin_sse2.c b/vp9/common/x86/vp9_idct_intrin_sse2.c
index 086cadf..4a16345 100644
--- a/vp9/common/x86/vp9_idct_intrin_sse2.c
+++ b/vp9/common/x86/vp9_idct_intrin_sse2.c
@@ -8,260 +8,10 @@
* be found in the AUTHORS file in the root of the source tree.
*/
-#include "./vp9_rtcd.h"
-#include "vp9/common/x86/vp9_idct_intrin_sse2.h"
+#include "vpx_dsp/x86/inv_txfm_sse2.h"
#include "vpx_dsp/x86/txfm_common_sse2.h"
#include "vpx_ports/mem.h"
-#define RECON_AND_STORE4X4(dest, in_x) \
-{ \
- __m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest)); \
- d0 = _mm_unpacklo_epi8(d0, zero); \
- d0 = _mm_add_epi16(in_x, d0); \
- d0 = _mm_packus_epi16(d0, d0); \
- *(int *)(dest) = _mm_cvtsi128_si32(d0); \
-}
-
-void vp9_idct4x4_16_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
- const __m128i zero = _mm_setzero_si128();
- const __m128i eight = _mm_set1_epi16(8);
- const __m128i cst = _mm_setr_epi16(
- (int16_t)cospi_16_64, (int16_t)cospi_16_64, (int16_t)cospi_16_64,
- (int16_t)-cospi_16_64, (int16_t)cospi_24_64, (int16_t)-cospi_8_64,
- (int16_t)cospi_8_64, (int16_t)cospi_24_64);
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- __m128i input0, input1, input2, input3;
-
- // Rows
- input0 = _mm_load_si128((const __m128i *)input);
- input2 = _mm_load_si128((const __m128i *)(input + 8));
-
- // Construct i3, i1, i3, i1, i2, i0, i2, i0
- input0 = _mm_shufflelo_epi16(input0, 0xd8);
- input0 = _mm_shufflehi_epi16(input0, 0xd8);
- input2 = _mm_shufflelo_epi16(input2, 0xd8);
- input2 = _mm_shufflehi_epi16(input2, 0xd8);
-
- input1 = _mm_unpackhi_epi32(input0, input0);
- input0 = _mm_unpacklo_epi32(input0, input0);
- input3 = _mm_unpackhi_epi32(input2, input2);
- input2 = _mm_unpacklo_epi32(input2, input2);
-
- // Stage 1
- input0 = _mm_madd_epi16(input0, cst);
- input1 = _mm_madd_epi16(input1, cst);
- input2 = _mm_madd_epi16(input2, cst);
- input3 = _mm_madd_epi16(input3, cst);
-
- input0 = _mm_add_epi32(input0, rounding);
- input1 = _mm_add_epi32(input1, rounding);
- input2 = _mm_add_epi32(input2, rounding);
- input3 = _mm_add_epi32(input3, rounding);
-
- input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
- input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
- input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
- input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
-
- // Stage 2
- input0 = _mm_packs_epi32(input0, input1);
- input1 = _mm_packs_epi32(input2, input3);
-
- // Transpose
- input2 = _mm_unpacklo_epi16(input0, input1);
- input3 = _mm_unpackhi_epi16(input0, input1);
- input0 = _mm_unpacklo_epi32(input2, input3);
- input1 = _mm_unpackhi_epi32(input2, input3);
-
- // Switch column2, column 3, and then, we got:
- // input2: column1, column 0; input3: column2, column 3.
- input1 = _mm_shuffle_epi32(input1, 0x4e);
- input2 = _mm_add_epi16(input0, input1);
- input3 = _mm_sub_epi16(input0, input1);
-
- // Columns
- // Construct i3, i1, i3, i1, i2, i0, i2, i0
- input0 = _mm_unpacklo_epi32(input2, input2);
- input1 = _mm_unpackhi_epi32(input2, input2);
- input2 = _mm_unpackhi_epi32(input3, input3);
- input3 = _mm_unpacklo_epi32(input3, input3);
-
- // Stage 1
- input0 = _mm_madd_epi16(input0, cst);
- input1 = _mm_madd_epi16(input1, cst);
- input2 = _mm_madd_epi16(input2, cst);
- input3 = _mm_madd_epi16(input3, cst);
-
- input0 = _mm_add_epi32(input0, rounding);
- input1 = _mm_add_epi32(input1, rounding);
- input2 = _mm_add_epi32(input2, rounding);
- input3 = _mm_add_epi32(input3, rounding);
-
- input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
- input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
- input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
- input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
-
- // Stage 2
- input0 = _mm_packs_epi32(input0, input2);
- input1 = _mm_packs_epi32(input1, input3);
-
- // Transpose
- input2 = _mm_unpacklo_epi16(input0, input1);
- input3 = _mm_unpackhi_epi16(input0, input1);
- input0 = _mm_unpacklo_epi32(input2, input3);
- input1 = _mm_unpackhi_epi32(input2, input3);
-
- // Switch column2, column 3, and then, we got:
- // input2: column1, column 0; input3: column2, column 3.
- input1 = _mm_shuffle_epi32(input1, 0x4e);
- input2 = _mm_add_epi16(input0, input1);
- input3 = _mm_sub_epi16(input0, input1);
-
- // Final round and shift
- input2 = _mm_add_epi16(input2, eight);
- input3 = _mm_add_epi16(input3, eight);
-
- input2 = _mm_srai_epi16(input2, 4);
- input3 = _mm_srai_epi16(input3, 4);
-
- // Reconstruction and Store
- {
- __m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest));
- __m128i d2 = _mm_cvtsi32_si128(*(const int *)(dest + stride * 2));
- d0 = _mm_unpacklo_epi32(d0,
- _mm_cvtsi32_si128(*(const int *)(dest + stride)));
- d2 = _mm_unpacklo_epi32(
- _mm_cvtsi32_si128(*(const int *)(dest + stride * 3)), d2);
- d0 = _mm_unpacklo_epi8(d0, zero);
- d2 = _mm_unpacklo_epi8(d2, zero);
- d0 = _mm_add_epi16(d0, input2);
- d2 = _mm_add_epi16(d2, input3);
- d0 = _mm_packus_epi16(d0, d2);
- // store input0
- *(int *)dest = _mm_cvtsi128_si32(d0);
- // store input1
- d0 = _mm_srli_si128(d0, 4);
- *(int *)(dest + stride) = _mm_cvtsi128_si32(d0);
- // store input2
- d0 = _mm_srli_si128(d0, 4);
- *(int *)(dest + stride * 3) = _mm_cvtsi128_si32(d0);
- // store input3
- d0 = _mm_srli_si128(d0, 4);
- *(int *)(dest + stride * 2) = _mm_cvtsi128_si32(d0);
- }
-}
-
-void vp9_idct4x4_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
- __m128i dc_value;
- const __m128i zero = _mm_setzero_si128();
- int a;
-
- a = dct_const_round_shift(input[0] * cospi_16_64);
- a = dct_const_round_shift(a * cospi_16_64);
- a = ROUND_POWER_OF_TWO(a, 4);
-
- dc_value = _mm_set1_epi16(a);
-
- RECON_AND_STORE4X4(dest + 0 * stride, dc_value);
- RECON_AND_STORE4X4(dest + 1 * stride, dc_value);
- RECON_AND_STORE4X4(dest + 2 * stride, dc_value);
- RECON_AND_STORE4X4(dest + 3 * stride, dc_value);
-}
-
-static INLINE void transpose_4x4(__m128i *res) {
- const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]);
- const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]);
-
- res[0] = _mm_unpacklo_epi16(tr0_0, tr0_1);
- res[1] = _mm_unpackhi_epi16(tr0_0, tr0_1);
-}
-
-static void idct4_sse2(__m128i *in) {
- const __m128i k__cospi_p16_p16 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- __m128i u[8], v[8];
-
- transpose_4x4(in);
- // stage 1
- u[0] = _mm_unpacklo_epi16(in[0], in[1]);
- u[1] = _mm_unpackhi_epi16(in[0], in[1]);
- v[0] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
- v[1] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
- v[2] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
-
- u[0] = _mm_packs_epi32(v[0], v[1]);
- u[1] = _mm_packs_epi32(v[3], v[2]);
-
- // stage 2
- in[0] = _mm_add_epi16(u[0], u[1]);
- in[1] = _mm_sub_epi16(u[0], u[1]);
- in[1] = _mm_shuffle_epi32(in[1], 0x4E);
-}
-
-static void iadst4_sse2(__m128i *in) {
- const __m128i k__sinpi_p01_p04 = pair_set_epi16(sinpi_1_9, sinpi_4_9);
- const __m128i k__sinpi_p03_p02 = pair_set_epi16(sinpi_3_9, sinpi_2_9);
- const __m128i k__sinpi_p02_m01 = pair_set_epi16(sinpi_2_9, -sinpi_1_9);
- const __m128i k__sinpi_p03_m04 = pair_set_epi16(sinpi_3_9, -sinpi_4_9);
- const __m128i k__sinpi_p03_p03 = _mm_set1_epi16((int16_t)sinpi_3_9);
- const __m128i kZero = _mm_set1_epi16(0);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- __m128i u[8], v[8], in7;
-
- transpose_4x4(in);
- in7 = _mm_srli_si128(in[1], 8);
- in7 = _mm_add_epi16(in7, in[0]);
- in7 = _mm_sub_epi16(in7, in[1]);
-
- u[0] = _mm_unpacklo_epi16(in[0], in[1]);
- u[1] = _mm_unpackhi_epi16(in[0], in[1]);
- u[2] = _mm_unpacklo_epi16(in7, kZero);
- u[3] = _mm_unpackhi_epi16(in[0], kZero);
-
- v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p04); // s0 + s3
- v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p02); // s2 + s5
- v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x2
- v[3] = _mm_madd_epi16(u[0], k__sinpi_p02_m01); // s1 - s4
- v[4] = _mm_madd_epi16(u[1], k__sinpi_p03_m04); // s2 - s6
- v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s2
-
- u[0] = _mm_add_epi32(v[0], v[1]);
- u[1] = _mm_add_epi32(v[3], v[4]);
- u[2] = v[2];
- u[3] = _mm_add_epi32(u[0], u[1]);
- u[4] = _mm_slli_epi32(v[5], 2);
- u[5] = _mm_add_epi32(u[3], v[5]);
- u[6] = _mm_sub_epi32(u[5], u[4]);
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
-
- in[0] = _mm_packs_epi32(u[0], u[1]);
- in[1] = _mm_packs_epi32(u[2], u[3]);
-}
-
void vp9_iht4x4_16_add_sse2(const int16_t *input, uint8_t *dest, int stride,
int tx_type) {
__m128i in[2];
@@ -327,537 +77,6 @@
}
}
-#define TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, \
- out0, out1, out2, out3, out4, out5, out6, out7) \
- { \
- const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
- const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
- const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
- const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
- const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \
- const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
- const __m128i tr0_6 = _mm_unpackhi_epi16(in4, in5); \
- const __m128i tr0_7 = _mm_unpackhi_epi16(in6, in7); \
- \
- const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
- const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3); \
- const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
- const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3); \
- const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
- const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); \
- const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
- const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); \
- \
- out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
- out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
- out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
- out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
- out4 = _mm_unpacklo_epi64(tr1_1, tr1_5); \
- out5 = _mm_unpackhi_epi64(tr1_1, tr1_5); \
- out6 = _mm_unpacklo_epi64(tr1_3, tr1_7); \
- out7 = _mm_unpackhi_epi64(tr1_3, tr1_7); \
- }
-
-#define TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, \
- out0, out1, out2, out3) \
- { \
- const __m128i tr0_0 = _mm_unpackhi_epi16(tmp0, tmp1); \
- const __m128i tr0_1 = _mm_unpacklo_epi16(tmp1, tmp0); \
- const __m128i tr0_4 = _mm_unpacklo_epi16(tmp2, tmp3); \
- const __m128i tr0_5 = _mm_unpackhi_epi16(tmp3, tmp2); \
- \
- const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
- const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
- const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
- const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
- \
- out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
- out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
- out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
- out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
- }
-
-#define TRANSPOSE_8X8_10(in0, in1, in2, in3, out0, out1) \
- { \
- const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
- const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
- out0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
- out1 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
- }
-
-// Define Macro for multiplying elements by constants and adding them together.
-#define MULTIPLICATION_AND_ADD(lo_0, hi_0, lo_1, hi_1, \
- cst0, cst1, cst2, cst3, res0, res1, res2, res3) \
- { \
- tmp0 = _mm_madd_epi16(lo_0, cst0); \
- tmp1 = _mm_madd_epi16(hi_0, cst0); \
- tmp2 = _mm_madd_epi16(lo_0, cst1); \
- tmp3 = _mm_madd_epi16(hi_0, cst1); \
- tmp4 = _mm_madd_epi16(lo_1, cst2); \
- tmp5 = _mm_madd_epi16(hi_1, cst2); \
- tmp6 = _mm_madd_epi16(lo_1, cst3); \
- tmp7 = _mm_madd_epi16(hi_1, cst3); \
- \
- tmp0 = _mm_add_epi32(tmp0, rounding); \
- tmp1 = _mm_add_epi32(tmp1, rounding); \
- tmp2 = _mm_add_epi32(tmp2, rounding); \
- tmp3 = _mm_add_epi32(tmp3, rounding); \
- tmp4 = _mm_add_epi32(tmp4, rounding); \
- tmp5 = _mm_add_epi32(tmp5, rounding); \
- tmp6 = _mm_add_epi32(tmp6, rounding); \
- tmp7 = _mm_add_epi32(tmp7, rounding); \
- \
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); \
- tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS); \
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); \
- tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS); \
- \
- res0 = _mm_packs_epi32(tmp0, tmp1); \
- res1 = _mm_packs_epi32(tmp2, tmp3); \
- res2 = _mm_packs_epi32(tmp4, tmp5); \
- res3 = _mm_packs_epi32(tmp6, tmp7); \
- }
-
-#define MULTIPLICATION_AND_ADD_2(lo_0, hi_0, cst0, cst1, res0, res1) \
- { \
- tmp0 = _mm_madd_epi16(lo_0, cst0); \
- tmp1 = _mm_madd_epi16(hi_0, cst0); \
- tmp2 = _mm_madd_epi16(lo_0, cst1); \
- tmp3 = _mm_madd_epi16(hi_0, cst1); \
- \
- tmp0 = _mm_add_epi32(tmp0, rounding); \
- tmp1 = _mm_add_epi32(tmp1, rounding); \
- tmp2 = _mm_add_epi32(tmp2, rounding); \
- tmp3 = _mm_add_epi32(tmp3, rounding); \
- \
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
- \
- res0 = _mm_packs_epi32(tmp0, tmp1); \
- res1 = _mm_packs_epi32(tmp2, tmp3); \
- }
-
-#define IDCT8(in0, in1, in2, in3, in4, in5, in6, in7, \
- out0, out1, out2, out3, out4, out5, out6, out7) \
- { \
- /* Stage1 */ \
- { \
- const __m128i lo_17 = _mm_unpacklo_epi16(in1, in7); \
- const __m128i hi_17 = _mm_unpackhi_epi16(in1, in7); \
- const __m128i lo_35 = _mm_unpacklo_epi16(in3, in5); \
- const __m128i hi_35 = _mm_unpackhi_epi16(in3, in5); \
- \
- MULTIPLICATION_AND_ADD(lo_17, hi_17, lo_35, hi_35, stg1_0, \
- stg1_1, stg1_2, stg1_3, stp1_4, \
- stp1_7, stp1_5, stp1_6) \
- } \
- \
- /* Stage2 */ \
- { \
- const __m128i lo_04 = _mm_unpacklo_epi16(in0, in4); \
- const __m128i hi_04 = _mm_unpackhi_epi16(in0, in4); \
- const __m128i lo_26 = _mm_unpacklo_epi16(in2, in6); \
- const __m128i hi_26 = _mm_unpackhi_epi16(in2, in6); \
- \
- MULTIPLICATION_AND_ADD(lo_04, hi_04, lo_26, hi_26, stg2_0, \
- stg2_1, stg2_2, stg2_3, stp2_0, \
- stp2_1, stp2_2, stp2_3) \
- \
- stp2_4 = _mm_adds_epi16(stp1_4, stp1_5); \
- stp2_5 = _mm_subs_epi16(stp1_4, stp1_5); \
- stp2_6 = _mm_subs_epi16(stp1_7, stp1_6); \
- stp2_7 = _mm_adds_epi16(stp1_7, stp1_6); \
- } \
- \
- /* Stage3 */ \
- { \
- const __m128i lo_56 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
- const __m128i hi_56 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
- \
- stp1_0 = _mm_adds_epi16(stp2_0, stp2_3); \
- stp1_1 = _mm_adds_epi16(stp2_1, stp2_2); \
- stp1_2 = _mm_subs_epi16(stp2_1, stp2_2); \
- stp1_3 = _mm_subs_epi16(stp2_0, stp2_3); \
- \
- tmp0 = _mm_madd_epi16(lo_56, stg2_1); \
- tmp1 = _mm_madd_epi16(hi_56, stg2_1); \
- tmp2 = _mm_madd_epi16(lo_56, stg2_0); \
- tmp3 = _mm_madd_epi16(hi_56, stg2_0); \
- \
- tmp0 = _mm_add_epi32(tmp0, rounding); \
- tmp1 = _mm_add_epi32(tmp1, rounding); \
- tmp2 = _mm_add_epi32(tmp2, rounding); \
- tmp3 = _mm_add_epi32(tmp3, rounding); \
- \
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
- \
- stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
- stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
- } \
- \
- /* Stage4 */ \
- out0 = _mm_adds_epi16(stp1_0, stp2_7); \
- out1 = _mm_adds_epi16(stp1_1, stp1_6); \
- out2 = _mm_adds_epi16(stp1_2, stp1_5); \
- out3 = _mm_adds_epi16(stp1_3, stp2_4); \
- out4 = _mm_subs_epi16(stp1_3, stp2_4); \
- out5 = _mm_subs_epi16(stp1_2, stp1_5); \
- out6 = _mm_subs_epi16(stp1_1, stp1_6); \
- out7 = _mm_subs_epi16(stp1_0, stp2_7); \
- }
-
-void vp9_idct8x8_64_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
- const __m128i zero = _mm_setzero_si128();
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i final_rounding = _mm_set1_epi16(1 << 4);
- const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
-
- __m128i in0, in1, in2, in3, in4, in5, in6, in7;
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
- int i;
-
- // Load input data.
- in0 = _mm_load_si128((const __m128i *)input);
- in1 = _mm_load_si128((const __m128i *)(input + 8 * 1));
- in2 = _mm_load_si128((const __m128i *)(input + 8 * 2));
- in3 = _mm_load_si128((const __m128i *)(input + 8 * 3));
- in4 = _mm_load_si128((const __m128i *)(input + 8 * 4));
- in5 = _mm_load_si128((const __m128i *)(input + 8 * 5));
- in6 = _mm_load_si128((const __m128i *)(input + 8 * 6));
- in7 = _mm_load_si128((const __m128i *)(input + 8 * 7));
-
- // 2-D
- for (i = 0; i < 2; i++) {
- // 8x8 Transpose is copied from vp9_fdct8x8_sse2()
- TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7,
- in0, in1, in2, in3, in4, in5, in6, in7);
-
- // 4-stage 1D idct8x8
- IDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
- in0, in1, in2, in3, in4, in5, in6, in7);
- }
-
- // Final rounding and shift
- in0 = _mm_adds_epi16(in0, final_rounding);
- in1 = _mm_adds_epi16(in1, final_rounding);
- in2 = _mm_adds_epi16(in2, final_rounding);
- in3 = _mm_adds_epi16(in3, final_rounding);
- in4 = _mm_adds_epi16(in4, final_rounding);
- in5 = _mm_adds_epi16(in5, final_rounding);
- in6 = _mm_adds_epi16(in6, final_rounding);
- in7 = _mm_adds_epi16(in7, final_rounding);
-
- in0 = _mm_srai_epi16(in0, 5);
- in1 = _mm_srai_epi16(in1, 5);
- in2 = _mm_srai_epi16(in2, 5);
- in3 = _mm_srai_epi16(in3, 5);
- in4 = _mm_srai_epi16(in4, 5);
- in5 = _mm_srai_epi16(in5, 5);
- in6 = _mm_srai_epi16(in6, 5);
- in7 = _mm_srai_epi16(in7, 5);
-
- RECON_AND_STORE(dest + 0 * stride, in0);
- RECON_AND_STORE(dest + 1 * stride, in1);
- RECON_AND_STORE(dest + 2 * stride, in2);
- RECON_AND_STORE(dest + 3 * stride, in3);
- RECON_AND_STORE(dest + 4 * stride, in4);
- RECON_AND_STORE(dest + 5 * stride, in5);
- RECON_AND_STORE(dest + 6 * stride, in6);
- RECON_AND_STORE(dest + 7 * stride, in7);
-}
-
-void vp9_idct8x8_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
- __m128i dc_value;
- const __m128i zero = _mm_setzero_si128();
- int a;
-
- a = dct_const_round_shift(input[0] * cospi_16_64);
- a = dct_const_round_shift(a * cospi_16_64);
- a = ROUND_POWER_OF_TWO(a, 5);
-
- dc_value = _mm_set1_epi16(a);
-
- RECON_AND_STORE(dest + 0 * stride, dc_value);
- RECON_AND_STORE(dest + 1 * stride, dc_value);
- RECON_AND_STORE(dest + 2 * stride, dc_value);
- RECON_AND_STORE(dest + 3 * stride, dc_value);
- RECON_AND_STORE(dest + 4 * stride, dc_value);
- RECON_AND_STORE(dest + 5 * stride, dc_value);
- RECON_AND_STORE(dest + 6 * stride, dc_value);
- RECON_AND_STORE(dest + 7 * stride, dc_value);
-}
-
-static void idct8_sse2(__m128i *in) {
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
-
- __m128i in0, in1, in2, in3, in4, in5, in6, in7;
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
-
- // 8x8 Transpose is copied from vp9_fdct8x8_sse2()
- TRANSPOSE_8X8(in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7],
- in0, in1, in2, in3, in4, in5, in6, in7);
-
- // 4-stage 1D idct8x8
- IDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
- in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7]);
-}
-
-static void iadst8_sse2(__m128i *in) {
- const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
- const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
- const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
- const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
- const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
- const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
- const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
- const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__const_0 = _mm_set1_epi16(0);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
-
- __m128i u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15;
- __m128i v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15;
- __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
- __m128i s0, s1, s2, s3, s4, s5, s6, s7;
- __m128i in0, in1, in2, in3, in4, in5, in6, in7;
-
- // transpose
- array_transpose_8x8(in, in);
-
- // properly aligned for butterfly input
- in0 = in[7];
- in1 = in[0];
- in2 = in[5];
- in3 = in[2];
- in4 = in[3];
- in5 = in[4];
- in6 = in[1];
- in7 = in[6];
-
- // column transformation
- // stage 1
- // interleave and multiply/add into 32-bit integer
- s0 = _mm_unpacklo_epi16(in0, in1);
- s1 = _mm_unpackhi_epi16(in0, in1);
- s2 = _mm_unpacklo_epi16(in2, in3);
- s3 = _mm_unpackhi_epi16(in2, in3);
- s4 = _mm_unpacklo_epi16(in4, in5);
- s5 = _mm_unpackhi_epi16(in4, in5);
- s6 = _mm_unpacklo_epi16(in6, in7);
- s7 = _mm_unpackhi_epi16(in6, in7);
-
- u0 = _mm_madd_epi16(s0, k__cospi_p02_p30);
- u1 = _mm_madd_epi16(s1, k__cospi_p02_p30);
- u2 = _mm_madd_epi16(s0, k__cospi_p30_m02);
- u3 = _mm_madd_epi16(s1, k__cospi_p30_m02);
- u4 = _mm_madd_epi16(s2, k__cospi_p10_p22);
- u5 = _mm_madd_epi16(s3, k__cospi_p10_p22);
- u6 = _mm_madd_epi16(s2, k__cospi_p22_m10);
- u7 = _mm_madd_epi16(s3, k__cospi_p22_m10);
- u8 = _mm_madd_epi16(s4, k__cospi_p18_p14);
- u9 = _mm_madd_epi16(s5, k__cospi_p18_p14);
- u10 = _mm_madd_epi16(s4, k__cospi_p14_m18);
- u11 = _mm_madd_epi16(s5, k__cospi_p14_m18);
- u12 = _mm_madd_epi16(s6, k__cospi_p26_p06);
- u13 = _mm_madd_epi16(s7, k__cospi_p26_p06);
- u14 = _mm_madd_epi16(s6, k__cospi_p06_m26);
- u15 = _mm_madd_epi16(s7, k__cospi_p06_m26);
-
- // addition
- w0 = _mm_add_epi32(u0, u8);
- w1 = _mm_add_epi32(u1, u9);
- w2 = _mm_add_epi32(u2, u10);
- w3 = _mm_add_epi32(u3, u11);
- w4 = _mm_add_epi32(u4, u12);
- w5 = _mm_add_epi32(u5, u13);
- w6 = _mm_add_epi32(u6, u14);
- w7 = _mm_add_epi32(u7, u15);
- w8 = _mm_sub_epi32(u0, u8);
- w9 = _mm_sub_epi32(u1, u9);
- w10 = _mm_sub_epi32(u2, u10);
- w11 = _mm_sub_epi32(u3, u11);
- w12 = _mm_sub_epi32(u4, u12);
- w13 = _mm_sub_epi32(u5, u13);
- w14 = _mm_sub_epi32(u6, u14);
- w15 = _mm_sub_epi32(u7, u15);
-
- // shift and rounding
- v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
- v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
- v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
- v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
- v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
- v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
- v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
- v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
- v8 = _mm_add_epi32(w8, k__DCT_CONST_ROUNDING);
- v9 = _mm_add_epi32(w9, k__DCT_CONST_ROUNDING);
- v10 = _mm_add_epi32(w10, k__DCT_CONST_ROUNDING);
- v11 = _mm_add_epi32(w11, k__DCT_CONST_ROUNDING);
- v12 = _mm_add_epi32(w12, k__DCT_CONST_ROUNDING);
- v13 = _mm_add_epi32(w13, k__DCT_CONST_ROUNDING);
- v14 = _mm_add_epi32(w14, k__DCT_CONST_ROUNDING);
- v15 = _mm_add_epi32(w15, k__DCT_CONST_ROUNDING);
-
- u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
- u8 = _mm_srai_epi32(v8, DCT_CONST_BITS);
- u9 = _mm_srai_epi32(v9, DCT_CONST_BITS);
- u10 = _mm_srai_epi32(v10, DCT_CONST_BITS);
- u11 = _mm_srai_epi32(v11, DCT_CONST_BITS);
- u12 = _mm_srai_epi32(v12, DCT_CONST_BITS);
- u13 = _mm_srai_epi32(v13, DCT_CONST_BITS);
- u14 = _mm_srai_epi32(v14, DCT_CONST_BITS);
- u15 = _mm_srai_epi32(v15, DCT_CONST_BITS);
-
- // back to 16-bit and pack 8 integers into __m128i
- in[0] = _mm_packs_epi32(u0, u1);
- in[1] = _mm_packs_epi32(u2, u3);
- in[2] = _mm_packs_epi32(u4, u5);
- in[3] = _mm_packs_epi32(u6, u7);
- in[4] = _mm_packs_epi32(u8, u9);
- in[5] = _mm_packs_epi32(u10, u11);
- in[6] = _mm_packs_epi32(u12, u13);
- in[7] = _mm_packs_epi32(u14, u15);
-
- // stage 2
- s0 = _mm_add_epi16(in[0], in[2]);
- s1 = _mm_add_epi16(in[1], in[3]);
- s2 = _mm_sub_epi16(in[0], in[2]);
- s3 = _mm_sub_epi16(in[1], in[3]);
- u0 = _mm_unpacklo_epi16(in[4], in[5]);
- u1 = _mm_unpackhi_epi16(in[4], in[5]);
- u2 = _mm_unpacklo_epi16(in[6], in[7]);
- u3 = _mm_unpackhi_epi16(in[6], in[7]);
-
- v0 = _mm_madd_epi16(u0, k__cospi_p08_p24);
- v1 = _mm_madd_epi16(u1, k__cospi_p08_p24);
- v2 = _mm_madd_epi16(u0, k__cospi_p24_m08);
- v3 = _mm_madd_epi16(u1, k__cospi_p24_m08);
- v4 = _mm_madd_epi16(u2, k__cospi_m24_p08);
- v5 = _mm_madd_epi16(u3, k__cospi_m24_p08);
- v6 = _mm_madd_epi16(u2, k__cospi_p08_p24);
- v7 = _mm_madd_epi16(u3, k__cospi_p08_p24);
-
- w0 = _mm_add_epi32(v0, v4);
- w1 = _mm_add_epi32(v1, v5);
- w2 = _mm_add_epi32(v2, v6);
- w3 = _mm_add_epi32(v3, v7);
- w4 = _mm_sub_epi32(v0, v4);
- w5 = _mm_sub_epi32(v1, v5);
- w6 = _mm_sub_epi32(v2, v6);
- w7 = _mm_sub_epi32(v3, v7);
-
- v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
- v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
- v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
- v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
- v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
- v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
- v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
- v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
-
- u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
- u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
- u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
- u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
- u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
- u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
- u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
- u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
-
- // back to 16-bit intergers
- s4 = _mm_packs_epi32(u0, u1);
- s5 = _mm_packs_epi32(u2, u3);
- s6 = _mm_packs_epi32(u4, u5);
- s7 = _mm_packs_epi32(u6, u7);
-
- // stage 3
- u0 = _mm_unpacklo_epi16(s2, s3);
- u1 = _mm_unpackhi_epi16(s2, s3);
- u2 = _mm_unpacklo_epi16(s6, s7);
- u3 = _mm_unpackhi_epi16(s6, s7);
-
- v0 = _mm_madd_epi16(u0, k__cospi_p16_p16);
- v1 = _mm_madd_epi16(u1, k__cospi_p16_p16);
- v2 = _mm_madd_epi16(u0, k__cospi_p16_m16);
- v3 = _mm_madd_epi16(u1, k__cospi_p16_m16);
- v4 = _mm_madd_epi16(u2, k__cospi_p16_p16);
- v5 = _mm_madd_epi16(u3, k__cospi_p16_p16);
- v6 = _mm_madd_epi16(u2, k__cospi_p16_m16);
- v7 = _mm_madd_epi16(u3, k__cospi_p16_m16);
-
- u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
- u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
- u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
- u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
- u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
- u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
- u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
- u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
-
- v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
- v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
- v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
- v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
- v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
- v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
- v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
- v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
-
- s2 = _mm_packs_epi32(v0, v1);
- s3 = _mm_packs_epi32(v2, v3);
- s6 = _mm_packs_epi32(v4, v5);
- s7 = _mm_packs_epi32(v6, v7);
-
- in[0] = s0;
- in[1] = _mm_sub_epi16(k__const_0, s4);
- in[2] = s6;
- in[3] = _mm_sub_epi16(k__const_0, s2);
- in[4] = s3;
- in[5] = _mm_sub_epi16(k__const_0, s7);
- in[6] = s5;
- in[7] = _mm_sub_epi16(k__const_0, s1);
-}
-
void vp9_iht8x8_64_add_sse2(const int16_t *input, uint8_t *dest, int stride,
int tx_type) {
__m128i in[8];
@@ -925,1366 +144,6 @@
RECON_AND_STORE(dest + 7 * stride, in[7]);
}
-void vp9_idct8x8_12_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
- const __m128i zero = _mm_setzero_si128();
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i final_rounding = _mm_set1_epi16(1 << 4);
- const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i stg3_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
-
- __m128i in0, in1, in2, in3, in4, in5, in6, in7;
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
-
- // Rows. Load 4-row input data.
- in0 = _mm_load_si128((const __m128i *)input);
- in1 = _mm_load_si128((const __m128i *)(input + 8 * 1));
- in2 = _mm_load_si128((const __m128i *)(input + 8 * 2));
- in3 = _mm_load_si128((const __m128i *)(input + 8 * 3));
-
- // 8x4 Transpose
- TRANSPOSE_8X8_10(in0, in1, in2, in3, in0, in1);
- // Stage1
- {
- const __m128i lo_17 = _mm_unpackhi_epi16(in0, zero);
- const __m128i lo_35 = _mm_unpackhi_epi16(in1, zero);
-
- tmp0 = _mm_madd_epi16(lo_17, stg1_0);
- tmp2 = _mm_madd_epi16(lo_17, stg1_1);
- tmp4 = _mm_madd_epi16(lo_35, stg1_2);
- tmp6 = _mm_madd_epi16(lo_35, stg1_3);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
-
- stp1_4 = _mm_packs_epi32(tmp0, tmp2);
- stp1_5 = _mm_packs_epi32(tmp4, tmp6);
- }
-
- // Stage2
- {
- const __m128i lo_04 = _mm_unpacklo_epi16(in0, zero);
- const __m128i lo_26 = _mm_unpacklo_epi16(in1, zero);
-
- tmp0 = _mm_madd_epi16(lo_04, stg2_0);
- tmp2 = _mm_madd_epi16(lo_04, stg2_1);
- tmp4 = _mm_madd_epi16(lo_26, stg2_2);
- tmp6 = _mm_madd_epi16(lo_26, stg2_3);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
-
- stp2_0 = _mm_packs_epi32(tmp0, tmp2);
- stp2_2 = _mm_packs_epi32(tmp6, tmp4);
-
- tmp0 = _mm_adds_epi16(stp1_4, stp1_5);
- tmp1 = _mm_subs_epi16(stp1_4, stp1_5);
-
- stp2_4 = tmp0;
- stp2_5 = _mm_unpacklo_epi64(tmp1, zero);
- stp2_6 = _mm_unpackhi_epi64(tmp1, zero);
- }
-
- // Stage3
- {
- const __m128i lo_56 = _mm_unpacklo_epi16(stp2_5, stp2_6);
-
- tmp4 = _mm_adds_epi16(stp2_0, stp2_2);
- tmp6 = _mm_subs_epi16(stp2_0, stp2_2);
-
- stp1_2 = _mm_unpackhi_epi64(tmp6, tmp4);
- stp1_3 = _mm_unpacklo_epi64(tmp6, tmp4);
-
- tmp0 = _mm_madd_epi16(lo_56, stg3_0);
- tmp2 = _mm_madd_epi16(lo_56, stg2_0); // stg3_1 = stg2_0
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
-
- stp1_5 = _mm_packs_epi32(tmp0, tmp2);
- }
-
- // Stage4
- tmp0 = _mm_adds_epi16(stp1_3, stp2_4);
- tmp1 = _mm_adds_epi16(stp1_2, stp1_5);
- tmp2 = _mm_subs_epi16(stp1_3, stp2_4);
- tmp3 = _mm_subs_epi16(stp1_2, stp1_5);
-
- TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, in0, in1, in2, in3)
-
- IDCT8(in0, in1, in2, in3, zero, zero, zero, zero,
- in0, in1, in2, in3, in4, in5, in6, in7);
- // Final rounding and shift
- in0 = _mm_adds_epi16(in0, final_rounding);
- in1 = _mm_adds_epi16(in1, final_rounding);
- in2 = _mm_adds_epi16(in2, final_rounding);
- in3 = _mm_adds_epi16(in3, final_rounding);
- in4 = _mm_adds_epi16(in4, final_rounding);
- in5 = _mm_adds_epi16(in5, final_rounding);
- in6 = _mm_adds_epi16(in6, final_rounding);
- in7 = _mm_adds_epi16(in7, final_rounding);
-
- in0 = _mm_srai_epi16(in0, 5);
- in1 = _mm_srai_epi16(in1, 5);
- in2 = _mm_srai_epi16(in2, 5);
- in3 = _mm_srai_epi16(in3, 5);
- in4 = _mm_srai_epi16(in4, 5);
- in5 = _mm_srai_epi16(in5, 5);
- in6 = _mm_srai_epi16(in6, 5);
- in7 = _mm_srai_epi16(in7, 5);
-
- RECON_AND_STORE(dest + 0 * stride, in0);
- RECON_AND_STORE(dest + 1 * stride, in1);
- RECON_AND_STORE(dest + 2 * stride, in2);
- RECON_AND_STORE(dest + 3 * stride, in3);
- RECON_AND_STORE(dest + 4 * stride, in4);
- RECON_AND_STORE(dest + 5 * stride, in5);
- RECON_AND_STORE(dest + 6 * stride, in6);
- RECON_AND_STORE(dest + 7 * stride, in7);
-}
-
-#define IDCT16 \
- /* Stage2 */ \
- { \
- const __m128i lo_1_15 = _mm_unpacklo_epi16(in[1], in[15]); \
- const __m128i hi_1_15 = _mm_unpackhi_epi16(in[1], in[15]); \
- const __m128i lo_9_7 = _mm_unpacklo_epi16(in[9], in[7]); \
- const __m128i hi_9_7 = _mm_unpackhi_epi16(in[9], in[7]); \
- const __m128i lo_5_11 = _mm_unpacklo_epi16(in[5], in[11]); \
- const __m128i hi_5_11 = _mm_unpackhi_epi16(in[5], in[11]); \
- const __m128i lo_13_3 = _mm_unpacklo_epi16(in[13], in[3]); \
- const __m128i hi_13_3 = _mm_unpackhi_epi16(in[13], in[3]); \
- \
- MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_9_7, hi_9_7, \
- stg2_0, stg2_1, stg2_2, stg2_3, \
- stp2_8, stp2_15, stp2_9, stp2_14) \
- \
- MULTIPLICATION_AND_ADD(lo_5_11, hi_5_11, lo_13_3, hi_13_3, \
- stg2_4, stg2_5, stg2_6, stg2_7, \
- stp2_10, stp2_13, stp2_11, stp2_12) \
- } \
- \
- /* Stage3 */ \
- { \
- const __m128i lo_2_14 = _mm_unpacklo_epi16(in[2], in[14]); \
- const __m128i hi_2_14 = _mm_unpackhi_epi16(in[2], in[14]); \
- const __m128i lo_10_6 = _mm_unpacklo_epi16(in[10], in[6]); \
- const __m128i hi_10_6 = _mm_unpackhi_epi16(in[10], in[6]); \
- \
- MULTIPLICATION_AND_ADD(lo_2_14, hi_2_14, lo_10_6, hi_10_6, \
- stg3_0, stg3_1, stg3_2, stg3_3, \
- stp1_4, stp1_7, stp1_5, stp1_6) \
- \
- stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9); \
- stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \
- stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \
- stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \
- \
- stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13); \
- stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \
- stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \
- stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \
- } \
- \
- /* Stage4 */ \
- { \
- const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], in[8]); \
- const __m128i hi_0_8 = _mm_unpackhi_epi16(in[0], in[8]); \
- const __m128i lo_4_12 = _mm_unpacklo_epi16(in[4], in[12]); \
- const __m128i hi_4_12 = _mm_unpackhi_epi16(in[4], in[12]); \
- \
- const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
- const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
- \
- MULTIPLICATION_AND_ADD(lo_0_8, hi_0_8, lo_4_12, hi_4_12, \
- stg4_0, stg4_1, stg4_2, stg4_3, \
- stp2_0, stp2_1, stp2_2, stp2_3) \
- \
- stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \
- stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \
- stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \
- stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \
- \
- MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \
- stg4_4, stg4_5, stg4_6, stg4_7, \
- stp2_9, stp2_14, stp2_10, stp2_13) \
- } \
- \
- /* Stage5 */ \
- { \
- const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
- const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
- \
- stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \
- stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \
- stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \
- stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \
- \
- tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
- tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
- tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
- tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
- \
- tmp0 = _mm_add_epi32(tmp0, rounding); \
- tmp1 = _mm_add_epi32(tmp1, rounding); \
- tmp2 = _mm_add_epi32(tmp2, rounding); \
- tmp3 = _mm_add_epi32(tmp3, rounding); \
- \
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
- \
- stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
- stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
- \
- stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); \
- stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
- stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
- stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); \
- \
- stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); \
- stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
- stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
- stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); \
- } \
- \
- /* Stage6 */ \
- { \
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
- const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
- const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
- \
- stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \
- stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
- stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
- stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \
- stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \
- stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
- stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
- stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \
- \
- MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
- stg6_0, stg4_0, stg6_0, stg4_0, \
- stp2_10, stp2_13, stp2_11, stp2_12) \
- }
-
-#define IDCT16_10 \
- /* Stage2 */ \
- { \
- const __m128i lo_1_15 = _mm_unpacklo_epi16(in[1], zero); \
- const __m128i hi_1_15 = _mm_unpackhi_epi16(in[1], zero); \
- const __m128i lo_13_3 = _mm_unpacklo_epi16(zero, in[3]); \
- const __m128i hi_13_3 = _mm_unpackhi_epi16(zero, in[3]); \
- \
- MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_13_3, hi_13_3, \
- stg2_0, stg2_1, stg2_6, stg2_7, \
- stp1_8_0, stp1_15, stp1_11, stp1_12_0) \
- } \
- \
- /* Stage3 */ \
- { \
- const __m128i lo_2_14 = _mm_unpacklo_epi16(in[2], zero); \
- const __m128i hi_2_14 = _mm_unpackhi_epi16(in[2], zero); \
- \
- MULTIPLICATION_AND_ADD_2(lo_2_14, hi_2_14, \
- stg3_0, stg3_1, \
- stp2_4, stp2_7) \
- \
- stp1_9 = stp1_8_0; \
- stp1_10 = stp1_11; \
- \
- stp1_13 = stp1_12_0; \
- stp1_14 = stp1_15; \
- } \
- \
- /* Stage4 */ \
- { \
- const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], zero); \
- const __m128i hi_0_8 = _mm_unpackhi_epi16(in[0], zero); \
- \
- const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
- const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
- \
- MULTIPLICATION_AND_ADD_2(lo_0_8, hi_0_8, \
- stg4_0, stg4_1, \
- stp1_0, stp1_1) \
- stp2_5 = stp2_4; \
- stp2_6 = stp2_7; \
- \
- MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \
- stg4_4, stg4_5, stg4_6, stg4_7, \
- stp2_9, stp2_14, stp2_10, stp2_13) \
- } \
- \
- /* Stage5 */ \
- { \
- const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
- const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
- \
- stp1_2 = stp1_1; \
- stp1_3 = stp1_0; \
- \
- tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
- tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
- tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
- tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
- \
- tmp0 = _mm_add_epi32(tmp0, rounding); \
- tmp1 = _mm_add_epi32(tmp1, rounding); \
- tmp2 = _mm_add_epi32(tmp2, rounding); \
- tmp3 = _mm_add_epi32(tmp3, rounding); \
- \
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
- \
- stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
- stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
- \
- stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); \
- stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
- stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
- stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); \
- \
- stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); \
- stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
- stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
- stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); \
- } \
- \
- /* Stage6 */ \
- { \
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
- const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
- const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
- \
- stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \
- stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
- stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
- stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \
- stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \
- stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
- stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
- stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \
- \
- MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
- stg6_0, stg4_0, stg6_0, stg4_0, \
- stp2_10, stp2_13, stp2_11, stp2_12) \
- }
-
-void vp9_idct16x16_256_add_sse2(const int16_t *input, uint8_t *dest,
- int stride) {
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i final_rounding = _mm_set1_epi16(1 << 5);
- const __m128i zero = _mm_setzero_si128();
-
- const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
- const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
- const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
- const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
- const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
- const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
-
- const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
- const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
-
- const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
- const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
-
- const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
-
- __m128i in[16], l[16], r[16], *curr1;
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
- stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
- stp1_8_0, stp1_12_0;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
- stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
- int i;
-
- curr1 = l;
- for (i = 0; i < 2; i++) {
- // 1-D idct
-
- // Load input data.
- in[0] = _mm_load_si128((const __m128i *)input);
- in[8] = _mm_load_si128((const __m128i *)(input + 8 * 1));
- in[1] = _mm_load_si128((const __m128i *)(input + 8 * 2));
- in[9] = _mm_load_si128((const __m128i *)(input + 8 * 3));
- in[2] = _mm_load_si128((const __m128i *)(input + 8 * 4));
- in[10] = _mm_load_si128((const __m128i *)(input + 8 * 5));
- in[3] = _mm_load_si128((const __m128i *)(input + 8 * 6));
- in[11] = _mm_load_si128((const __m128i *)(input + 8 * 7));
- in[4] = _mm_load_si128((const __m128i *)(input + 8 * 8));
- in[12] = _mm_load_si128((const __m128i *)(input + 8 * 9));
- in[5] = _mm_load_si128((const __m128i *)(input + 8 * 10));
- in[13] = _mm_load_si128((const __m128i *)(input + 8 * 11));
- in[6] = _mm_load_si128((const __m128i *)(input + 8 * 12));
- in[14] = _mm_load_si128((const __m128i *)(input + 8 * 13));
- in[7] = _mm_load_si128((const __m128i *)(input + 8 * 14));
- in[15] = _mm_load_si128((const __m128i *)(input + 8 * 15));
-
- array_transpose_8x8(in, in);
- array_transpose_8x8(in + 8, in + 8);
-
- IDCT16
-
- // Stage7
- curr1[0] = _mm_add_epi16(stp2_0, stp1_15);
- curr1[1] = _mm_add_epi16(stp2_1, stp1_14);
- curr1[2] = _mm_add_epi16(stp2_2, stp2_13);
- curr1[3] = _mm_add_epi16(stp2_3, stp2_12);
- curr1[4] = _mm_add_epi16(stp2_4, stp2_11);
- curr1[5] = _mm_add_epi16(stp2_5, stp2_10);
- curr1[6] = _mm_add_epi16(stp2_6, stp1_9);
- curr1[7] = _mm_add_epi16(stp2_7, stp1_8);
- curr1[8] = _mm_sub_epi16(stp2_7, stp1_8);
- curr1[9] = _mm_sub_epi16(stp2_6, stp1_9);
- curr1[10] = _mm_sub_epi16(stp2_5, stp2_10);
- curr1[11] = _mm_sub_epi16(stp2_4, stp2_11);
- curr1[12] = _mm_sub_epi16(stp2_3, stp2_12);
- curr1[13] = _mm_sub_epi16(stp2_2, stp2_13);
- curr1[14] = _mm_sub_epi16(stp2_1, stp1_14);
- curr1[15] = _mm_sub_epi16(stp2_0, stp1_15);
-
- curr1 = r;
- input += 128;
- }
- for (i = 0; i < 2; i++) {
- int j;
- // 1-D idct
- array_transpose_8x8(l + i * 8, in);
- array_transpose_8x8(r + i * 8, in + 8);
-
- IDCT16
-
- // 2-D
- in[0] = _mm_add_epi16(stp2_0, stp1_15);
- in[1] = _mm_add_epi16(stp2_1, stp1_14);
- in[2] = _mm_add_epi16(stp2_2, stp2_13);
- in[3] = _mm_add_epi16(stp2_3, stp2_12);
- in[4] = _mm_add_epi16(stp2_4, stp2_11);
- in[5] = _mm_add_epi16(stp2_5, stp2_10);
- in[6] = _mm_add_epi16(stp2_6, stp1_9);
- in[7] = _mm_add_epi16(stp2_7, stp1_8);
- in[8] = _mm_sub_epi16(stp2_7, stp1_8);
- in[9] = _mm_sub_epi16(stp2_6, stp1_9);
- in[10] = _mm_sub_epi16(stp2_5, stp2_10);
- in[11] = _mm_sub_epi16(stp2_4, stp2_11);
- in[12] = _mm_sub_epi16(stp2_3, stp2_12);
- in[13] = _mm_sub_epi16(stp2_2, stp2_13);
- in[14] = _mm_sub_epi16(stp2_1, stp1_14);
- in[15] = _mm_sub_epi16(stp2_0, stp1_15);
-
- for (j = 0; j < 16; ++j) {
- // Final rounding and shift
- in[j] = _mm_adds_epi16(in[j], final_rounding);
- in[j] = _mm_srai_epi16(in[j], 6);
- RECON_AND_STORE(dest + j * stride, in[j]);
- }
-
- dest += 8;
- }
-}
-
-void vp9_idct16x16_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
- __m128i dc_value;
- const __m128i zero = _mm_setzero_si128();
- int a, i;
-
- a = dct_const_round_shift(input[0] * cospi_16_64);
- a = dct_const_round_shift(a * cospi_16_64);
- a = ROUND_POWER_OF_TWO(a, 6);
-
- dc_value = _mm_set1_epi16(a);
-
- for (i = 0; i < 2; ++i) {
- RECON_AND_STORE(dest + 0 * stride, dc_value);
- RECON_AND_STORE(dest + 1 * stride, dc_value);
- RECON_AND_STORE(dest + 2 * stride, dc_value);
- RECON_AND_STORE(dest + 3 * stride, dc_value);
- RECON_AND_STORE(dest + 4 * stride, dc_value);
- RECON_AND_STORE(dest + 5 * stride, dc_value);
- RECON_AND_STORE(dest + 6 * stride, dc_value);
- RECON_AND_STORE(dest + 7 * stride, dc_value);
- RECON_AND_STORE(dest + 8 * stride, dc_value);
- RECON_AND_STORE(dest + 9 * stride, dc_value);
- RECON_AND_STORE(dest + 10 * stride, dc_value);
- RECON_AND_STORE(dest + 11 * stride, dc_value);
- RECON_AND_STORE(dest + 12 * stride, dc_value);
- RECON_AND_STORE(dest + 13 * stride, dc_value);
- RECON_AND_STORE(dest + 14 * stride, dc_value);
- RECON_AND_STORE(dest + 15 * stride, dc_value);
- dest += 8;
- }
-}
-
-static void iadst16_8col(__m128i *in) {
- // perform 16x16 1-D ADST for 8 columns
- __m128i s[16], x[16], u[32], v[32];
- const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64);
- const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64);
- const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64);
- const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64);
- const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64);
- const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64);
- const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64);
- const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64);
- const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64);
- const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64);
- const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64);
- const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64);
- const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64);
- const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64);
- const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64);
- const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64);
- const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
- const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
- const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64);
- const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64);
- const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
- const __m128i k__cospi_m16_m16 = _mm_set1_epi16((int16_t)-cospi_16_64);
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i kZero = _mm_set1_epi16(0);
-
- u[0] = _mm_unpacklo_epi16(in[15], in[0]);
- u[1] = _mm_unpackhi_epi16(in[15], in[0]);
- u[2] = _mm_unpacklo_epi16(in[13], in[2]);
- u[3] = _mm_unpackhi_epi16(in[13], in[2]);
- u[4] = _mm_unpacklo_epi16(in[11], in[4]);
- u[5] = _mm_unpackhi_epi16(in[11], in[4]);
- u[6] = _mm_unpacklo_epi16(in[9], in[6]);
- u[7] = _mm_unpackhi_epi16(in[9], in[6]);
- u[8] = _mm_unpacklo_epi16(in[7], in[8]);
- u[9] = _mm_unpackhi_epi16(in[7], in[8]);
- u[10] = _mm_unpacklo_epi16(in[5], in[10]);
- u[11] = _mm_unpackhi_epi16(in[5], in[10]);
- u[12] = _mm_unpacklo_epi16(in[3], in[12]);
- u[13] = _mm_unpackhi_epi16(in[3], in[12]);
- u[14] = _mm_unpacklo_epi16(in[1], in[14]);
- u[15] = _mm_unpackhi_epi16(in[1], in[14]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05);
- v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23);
- v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23);
- v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09);
- v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09);
- v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19);
- v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13);
- v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15);
- v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15);
- v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17);
- v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17);
- v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11);
- v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11);
- v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21);
- v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21);
- v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07);
- v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07);
- v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25);
- v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25);
- v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03);
- v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03);
- v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29);
- v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29);
-
- u[0] = _mm_add_epi32(v[0], v[16]);
- u[1] = _mm_add_epi32(v[1], v[17]);
- u[2] = _mm_add_epi32(v[2], v[18]);
- u[3] = _mm_add_epi32(v[3], v[19]);
- u[4] = _mm_add_epi32(v[4], v[20]);
- u[5] = _mm_add_epi32(v[5], v[21]);
- u[6] = _mm_add_epi32(v[6], v[22]);
- u[7] = _mm_add_epi32(v[7], v[23]);
- u[8] = _mm_add_epi32(v[8], v[24]);
- u[9] = _mm_add_epi32(v[9], v[25]);
- u[10] = _mm_add_epi32(v[10], v[26]);
- u[11] = _mm_add_epi32(v[11], v[27]);
- u[12] = _mm_add_epi32(v[12], v[28]);
- u[13] = _mm_add_epi32(v[13], v[29]);
- u[14] = _mm_add_epi32(v[14], v[30]);
- u[15] = _mm_add_epi32(v[15], v[31]);
- u[16] = _mm_sub_epi32(v[0], v[16]);
- u[17] = _mm_sub_epi32(v[1], v[17]);
- u[18] = _mm_sub_epi32(v[2], v[18]);
- u[19] = _mm_sub_epi32(v[3], v[19]);
- u[20] = _mm_sub_epi32(v[4], v[20]);
- u[21] = _mm_sub_epi32(v[5], v[21]);
- u[22] = _mm_sub_epi32(v[6], v[22]);
- u[23] = _mm_sub_epi32(v[7], v[23]);
- u[24] = _mm_sub_epi32(v[8], v[24]);
- u[25] = _mm_sub_epi32(v[9], v[25]);
- u[26] = _mm_sub_epi32(v[10], v[26]);
- u[27] = _mm_sub_epi32(v[11], v[27]);
- u[28] = _mm_sub_epi32(v[12], v[28]);
- u[29] = _mm_sub_epi32(v[13], v[29]);
- u[30] = _mm_sub_epi32(v[14], v[30]);
- u[31] = _mm_sub_epi32(v[15], v[31]);
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
- v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
- v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
- v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
- v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
- v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
- v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
- v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
- v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
- v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
- v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
- v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
- v[16] = _mm_add_epi32(u[16], k__DCT_CONST_ROUNDING);
- v[17] = _mm_add_epi32(u[17], k__DCT_CONST_ROUNDING);
- v[18] = _mm_add_epi32(u[18], k__DCT_CONST_ROUNDING);
- v[19] = _mm_add_epi32(u[19], k__DCT_CONST_ROUNDING);
- v[20] = _mm_add_epi32(u[20], k__DCT_CONST_ROUNDING);
- v[21] = _mm_add_epi32(u[21], k__DCT_CONST_ROUNDING);
- v[22] = _mm_add_epi32(u[22], k__DCT_CONST_ROUNDING);
- v[23] = _mm_add_epi32(u[23], k__DCT_CONST_ROUNDING);
- v[24] = _mm_add_epi32(u[24], k__DCT_CONST_ROUNDING);
- v[25] = _mm_add_epi32(u[25], k__DCT_CONST_ROUNDING);
- v[26] = _mm_add_epi32(u[26], k__DCT_CONST_ROUNDING);
- v[27] = _mm_add_epi32(u[27], k__DCT_CONST_ROUNDING);
- v[28] = _mm_add_epi32(u[28], k__DCT_CONST_ROUNDING);
- v[29] = _mm_add_epi32(u[29], k__DCT_CONST_ROUNDING);
- v[30] = _mm_add_epi32(u[30], k__DCT_CONST_ROUNDING);
- v[31] = _mm_add_epi32(u[31], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
- u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
- u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
- u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
- u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
- u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
- u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
- u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
- u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
- u[16] = _mm_srai_epi32(v[16], DCT_CONST_BITS);
- u[17] = _mm_srai_epi32(v[17], DCT_CONST_BITS);
- u[18] = _mm_srai_epi32(v[18], DCT_CONST_BITS);
- u[19] = _mm_srai_epi32(v[19], DCT_CONST_BITS);
- u[20] = _mm_srai_epi32(v[20], DCT_CONST_BITS);
- u[21] = _mm_srai_epi32(v[21], DCT_CONST_BITS);
- u[22] = _mm_srai_epi32(v[22], DCT_CONST_BITS);
- u[23] = _mm_srai_epi32(v[23], DCT_CONST_BITS);
- u[24] = _mm_srai_epi32(v[24], DCT_CONST_BITS);
- u[25] = _mm_srai_epi32(v[25], DCT_CONST_BITS);
- u[26] = _mm_srai_epi32(v[26], DCT_CONST_BITS);
- u[27] = _mm_srai_epi32(v[27], DCT_CONST_BITS);
- u[28] = _mm_srai_epi32(v[28], DCT_CONST_BITS);
- u[29] = _mm_srai_epi32(v[29], DCT_CONST_BITS);
- u[30] = _mm_srai_epi32(v[30], DCT_CONST_BITS);
- u[31] = _mm_srai_epi32(v[31], DCT_CONST_BITS);
-
- s[0] = _mm_packs_epi32(u[0], u[1]);
- s[1] = _mm_packs_epi32(u[2], u[3]);
- s[2] = _mm_packs_epi32(u[4], u[5]);
- s[3] = _mm_packs_epi32(u[6], u[7]);
- s[4] = _mm_packs_epi32(u[8], u[9]);
- s[5] = _mm_packs_epi32(u[10], u[11]);
- s[6] = _mm_packs_epi32(u[12], u[13]);
- s[7] = _mm_packs_epi32(u[14], u[15]);
- s[8] = _mm_packs_epi32(u[16], u[17]);
- s[9] = _mm_packs_epi32(u[18], u[19]);
- s[10] = _mm_packs_epi32(u[20], u[21]);
- s[11] = _mm_packs_epi32(u[22], u[23]);
- s[12] = _mm_packs_epi32(u[24], u[25]);
- s[13] = _mm_packs_epi32(u[26], u[27]);
- s[14] = _mm_packs_epi32(u[28], u[29]);
- s[15] = _mm_packs_epi32(u[30], u[31]);
-
- // stage 2
- u[0] = _mm_unpacklo_epi16(s[8], s[9]);
- u[1] = _mm_unpackhi_epi16(s[8], s[9]);
- u[2] = _mm_unpacklo_epi16(s[10], s[11]);
- u[3] = _mm_unpackhi_epi16(s[10], s[11]);
- u[4] = _mm_unpacklo_epi16(s[12], s[13]);
- u[5] = _mm_unpackhi_epi16(s[12], s[13]);
- u[6] = _mm_unpacklo_epi16(s[14], s[15]);
- u[7] = _mm_unpackhi_epi16(s[14], s[15]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
- v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04);
- v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04);
- v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28);
- v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28);
- v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20);
- v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12);
-
- u[0] = _mm_add_epi32(v[0], v[8]);
- u[1] = _mm_add_epi32(v[1], v[9]);
- u[2] = _mm_add_epi32(v[2], v[10]);
- u[3] = _mm_add_epi32(v[3], v[11]);
- u[4] = _mm_add_epi32(v[4], v[12]);
- u[5] = _mm_add_epi32(v[5], v[13]);
- u[6] = _mm_add_epi32(v[6], v[14]);
- u[7] = _mm_add_epi32(v[7], v[15]);
- u[8] = _mm_sub_epi32(v[0], v[8]);
- u[9] = _mm_sub_epi32(v[1], v[9]);
- u[10] = _mm_sub_epi32(v[2], v[10]);
- u[11] = _mm_sub_epi32(v[3], v[11]);
- u[12] = _mm_sub_epi32(v[4], v[12]);
- u[13] = _mm_sub_epi32(v[5], v[13]);
- u[14] = _mm_sub_epi32(v[6], v[14]);
- u[15] = _mm_sub_epi32(v[7], v[15]);
-
- v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
- v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
- v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
- v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
- v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
- v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
- v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
- v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
- v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
- v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
- v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
- v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
- u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
- u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
- u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
- u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
- u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
- u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
- u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
- u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
-
- x[0] = _mm_add_epi16(s[0], s[4]);
- x[1] = _mm_add_epi16(s[1], s[5]);
- x[2] = _mm_add_epi16(s[2], s[6]);
- x[3] = _mm_add_epi16(s[3], s[7]);
- x[4] = _mm_sub_epi16(s[0], s[4]);
- x[5] = _mm_sub_epi16(s[1], s[5]);
- x[6] = _mm_sub_epi16(s[2], s[6]);
- x[7] = _mm_sub_epi16(s[3], s[7]);
- x[8] = _mm_packs_epi32(u[0], u[1]);
- x[9] = _mm_packs_epi32(u[2], u[3]);
- x[10] = _mm_packs_epi32(u[4], u[5]);
- x[11] = _mm_packs_epi32(u[6], u[7]);
- x[12] = _mm_packs_epi32(u[8], u[9]);
- x[13] = _mm_packs_epi32(u[10], u[11]);
- x[14] = _mm_packs_epi32(u[12], u[13]);
- x[15] = _mm_packs_epi32(u[14], u[15]);
-
- // stage 3
- u[0] = _mm_unpacklo_epi16(x[4], x[5]);
- u[1] = _mm_unpackhi_epi16(x[4], x[5]);
- u[2] = _mm_unpacklo_epi16(x[6], x[7]);
- u[3] = _mm_unpackhi_epi16(x[6], x[7]);
- u[4] = _mm_unpacklo_epi16(x[12], x[13]);
- u[5] = _mm_unpackhi_epi16(x[12], x[13]);
- u[6] = _mm_unpacklo_epi16(x[14], x[15]);
- u[7] = _mm_unpackhi_epi16(x[14], x[15]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
- v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08);
- v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
- v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24);
- v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24);
- v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08);
- v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08);
- v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08);
- v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24);
-
- u[0] = _mm_add_epi32(v[0], v[4]);
- u[1] = _mm_add_epi32(v[1], v[5]);
- u[2] = _mm_add_epi32(v[2], v[6]);
- u[3] = _mm_add_epi32(v[3], v[7]);
- u[4] = _mm_sub_epi32(v[0], v[4]);
- u[5] = _mm_sub_epi32(v[1], v[5]);
- u[6] = _mm_sub_epi32(v[2], v[6]);
- u[7] = _mm_sub_epi32(v[3], v[7]);
- u[8] = _mm_add_epi32(v[8], v[12]);
- u[9] = _mm_add_epi32(v[9], v[13]);
- u[10] = _mm_add_epi32(v[10], v[14]);
- u[11] = _mm_add_epi32(v[11], v[15]);
- u[12] = _mm_sub_epi32(v[8], v[12]);
- u[13] = _mm_sub_epi32(v[9], v[13]);
- u[14] = _mm_sub_epi32(v[10], v[14]);
- u[15] = _mm_sub_epi32(v[11], v[15]);
-
- u[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
- u[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
- u[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
- u[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
- u[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
- u[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
- u[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
- u[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
- u[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
- v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
- v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
- v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
- v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
- v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
- v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
- v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
- v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
-
- s[0] = _mm_add_epi16(x[0], x[2]);
- s[1] = _mm_add_epi16(x[1], x[3]);
- s[2] = _mm_sub_epi16(x[0], x[2]);
- s[3] = _mm_sub_epi16(x[1], x[3]);
- s[4] = _mm_packs_epi32(v[0], v[1]);
- s[5] = _mm_packs_epi32(v[2], v[3]);
- s[6] = _mm_packs_epi32(v[4], v[5]);
- s[7] = _mm_packs_epi32(v[6], v[7]);
- s[8] = _mm_add_epi16(x[8], x[10]);
- s[9] = _mm_add_epi16(x[9], x[11]);
- s[10] = _mm_sub_epi16(x[8], x[10]);
- s[11] = _mm_sub_epi16(x[9], x[11]);
- s[12] = _mm_packs_epi32(v[8], v[9]);
- s[13] = _mm_packs_epi32(v[10], v[11]);
- s[14] = _mm_packs_epi32(v[12], v[13]);
- s[15] = _mm_packs_epi32(v[14], v[15]);
-
- // stage 4
- u[0] = _mm_unpacklo_epi16(s[2], s[3]);
- u[1] = _mm_unpackhi_epi16(s[2], s[3]);
- u[2] = _mm_unpacklo_epi16(s[6], s[7]);
- u[3] = _mm_unpackhi_epi16(s[6], s[7]);
- u[4] = _mm_unpacklo_epi16(s[10], s[11]);
- u[5] = _mm_unpackhi_epi16(s[10], s[11]);
- u[6] = _mm_unpacklo_epi16(s[14], s[15]);
- u[7] = _mm_unpackhi_epi16(s[14], s[15]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_m16_m16);
- v[1] = _mm_madd_epi16(u[1], k__cospi_m16_m16);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
- v[6] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
- v[7] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
- v[8] = _mm_madd_epi16(u[4], k__cospi_p16_p16);
- v[9] = _mm_madd_epi16(u[5], k__cospi_p16_p16);
- v[10] = _mm_madd_epi16(u[4], k__cospi_m16_p16);
- v[11] = _mm_madd_epi16(u[5], k__cospi_m16_p16);
- v[12] = _mm_madd_epi16(u[6], k__cospi_m16_m16);
- v[13] = _mm_madd_epi16(u[7], k__cospi_m16_m16);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p16_m16);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p16_m16);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
- u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
- u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
- u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
- u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
- u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
- u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
- u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
- u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
-
- v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
- v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
- v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
- v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
- v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
- v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
- v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
- v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
- v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
-
- in[0] = s[0];
- in[1] = _mm_sub_epi16(kZero, s[8]);
- in[2] = s[12];
- in[3] = _mm_sub_epi16(kZero, s[4]);
- in[4] = _mm_packs_epi32(v[4], v[5]);
- in[5] = _mm_packs_epi32(v[12], v[13]);
- in[6] = _mm_packs_epi32(v[8], v[9]);
- in[7] = _mm_packs_epi32(v[0], v[1]);
- in[8] = _mm_packs_epi32(v[2], v[3]);
- in[9] = _mm_packs_epi32(v[10], v[11]);
- in[10] = _mm_packs_epi32(v[14], v[15]);
- in[11] = _mm_packs_epi32(v[6], v[7]);
- in[12] = s[5];
- in[13] = _mm_sub_epi16(kZero, s[13]);
- in[14] = s[9];
- in[15] = _mm_sub_epi16(kZero, s[1]);
-}
-
-static void idct16_8col(__m128i *in) {
- const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
- const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
- const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
- const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
- const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
- const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
- const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
- const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
- const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
- const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
- const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i k__cospi_m24_m08 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
- const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
- const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
- __m128i v[16], u[16], s[16], t[16];
-
- // stage 1
- s[0] = in[0];
- s[1] = in[8];
- s[2] = in[4];
- s[3] = in[12];
- s[4] = in[2];
- s[5] = in[10];
- s[6] = in[6];
- s[7] = in[14];
- s[8] = in[1];
- s[9] = in[9];
- s[10] = in[5];
- s[11] = in[13];
- s[12] = in[3];
- s[13] = in[11];
- s[14] = in[7];
- s[15] = in[15];
-
- // stage 2
- u[0] = _mm_unpacklo_epi16(s[8], s[15]);
- u[1] = _mm_unpackhi_epi16(s[8], s[15]);
- u[2] = _mm_unpacklo_epi16(s[9], s[14]);
- u[3] = _mm_unpackhi_epi16(s[9], s[14]);
- u[4] = _mm_unpacklo_epi16(s[10], s[13]);
- u[5] = _mm_unpackhi_epi16(s[10], s[13]);
- u[6] = _mm_unpacklo_epi16(s[11], s[12]);
- u[7] = _mm_unpackhi_epi16(s[11], s[12]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p30_m02);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p30_m02);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p02_p30);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p02_p30);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p14_m18);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p14_m18);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p18_p14);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p18_p14);
- v[8] = _mm_madd_epi16(u[4], k__cospi_p22_m10);
- v[9] = _mm_madd_epi16(u[5], k__cospi_p22_m10);
- v[10] = _mm_madd_epi16(u[4], k__cospi_p10_p22);
- v[11] = _mm_madd_epi16(u[5], k__cospi_p10_p22);
- v[12] = _mm_madd_epi16(u[6], k__cospi_p06_m26);
- v[13] = _mm_madd_epi16(u[7], k__cospi_p06_m26);
- v[14] = _mm_madd_epi16(u[6], k__cospi_p26_p06);
- v[15] = _mm_madd_epi16(u[7], k__cospi_p26_p06);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
- u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
- u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
- u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
- u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
- u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
- u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
- u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
- u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
- u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
- u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
- u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
- u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
- u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
- u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
- u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
- u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
-
- s[8] = _mm_packs_epi32(u[0], u[1]);
- s[15] = _mm_packs_epi32(u[2], u[3]);
- s[9] = _mm_packs_epi32(u[4], u[5]);
- s[14] = _mm_packs_epi32(u[6], u[7]);
- s[10] = _mm_packs_epi32(u[8], u[9]);
- s[13] = _mm_packs_epi32(u[10], u[11]);
- s[11] = _mm_packs_epi32(u[12], u[13]);
- s[12] = _mm_packs_epi32(u[14], u[15]);
-
- // stage 3
- t[0] = s[0];
- t[1] = s[1];
- t[2] = s[2];
- t[3] = s[3];
- u[0] = _mm_unpacklo_epi16(s[4], s[7]);
- u[1] = _mm_unpackhi_epi16(s[4], s[7]);
- u[2] = _mm_unpacklo_epi16(s[5], s[6]);
- u[3] = _mm_unpackhi_epi16(s[5], s[6]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
-
- t[4] = _mm_packs_epi32(u[0], u[1]);
- t[7] = _mm_packs_epi32(u[2], u[3]);
- t[5] = _mm_packs_epi32(u[4], u[5]);
- t[6] = _mm_packs_epi32(u[6], u[7]);
- t[8] = _mm_add_epi16(s[8], s[9]);
- t[9] = _mm_sub_epi16(s[8], s[9]);
- t[10] = _mm_sub_epi16(s[11], s[10]);
- t[11] = _mm_add_epi16(s[10], s[11]);
- t[12] = _mm_add_epi16(s[12], s[13]);
- t[13] = _mm_sub_epi16(s[12], s[13]);
- t[14] = _mm_sub_epi16(s[15], s[14]);
- t[15] = _mm_add_epi16(s[14], s[15]);
-
- // stage 4
- u[0] = _mm_unpacklo_epi16(t[0], t[1]);
- u[1] = _mm_unpackhi_epi16(t[0], t[1]);
- u[2] = _mm_unpacklo_epi16(t[2], t[3]);
- u[3] = _mm_unpackhi_epi16(t[2], t[3]);
- u[4] = _mm_unpacklo_epi16(t[9], t[14]);
- u[5] = _mm_unpackhi_epi16(t[9], t[14]);
- u[6] = _mm_unpacklo_epi16(t[10], t[13]);
- u[7] = _mm_unpackhi_epi16(t[10], t[13]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
- v[1] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
- v[4] = _mm_madd_epi16(u[2], k__cospi_p24_m08);
- v[5] = _mm_madd_epi16(u[3], k__cospi_p24_m08);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
- v[8] = _mm_madd_epi16(u[4], k__cospi_m08_p24);
- v[9] = _mm_madd_epi16(u[5], k__cospi_m08_p24);
- v[10] = _mm_madd_epi16(u[4], k__cospi_p24_p08);
- v[11] = _mm_madd_epi16(u[5], k__cospi_p24_p08);
- v[12] = _mm_madd_epi16(u[6], k__cospi_m24_m08);
- v[13] = _mm_madd_epi16(u[7], k__cospi_m24_m08);
- v[14] = _mm_madd_epi16(u[6], k__cospi_m08_p24);
- v[15] = _mm_madd_epi16(u[7], k__cospi_m08_p24);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
- u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
- u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
- u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
- u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
- u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
- u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
- u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
- u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
- u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
- u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
- u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
- u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
- u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
- u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
- u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
- u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
-
- s[0] = _mm_packs_epi32(u[0], u[1]);
- s[1] = _mm_packs_epi32(u[2], u[3]);
- s[2] = _mm_packs_epi32(u[4], u[5]);
- s[3] = _mm_packs_epi32(u[6], u[7]);
- s[4] = _mm_add_epi16(t[4], t[5]);
- s[5] = _mm_sub_epi16(t[4], t[5]);
- s[6] = _mm_sub_epi16(t[7], t[6]);
- s[7] = _mm_add_epi16(t[6], t[7]);
- s[8] = t[8];
- s[15] = t[15];
- s[9] = _mm_packs_epi32(u[8], u[9]);
- s[14] = _mm_packs_epi32(u[10], u[11]);
- s[10] = _mm_packs_epi32(u[12], u[13]);
- s[13] = _mm_packs_epi32(u[14], u[15]);
- s[11] = t[11];
- s[12] = t[12];
-
- // stage 5
- t[0] = _mm_add_epi16(s[0], s[3]);
- t[1] = _mm_add_epi16(s[1], s[2]);
- t[2] = _mm_sub_epi16(s[1], s[2]);
- t[3] = _mm_sub_epi16(s[0], s[3]);
- t[4] = s[4];
- t[7] = s[7];
-
- u[0] = _mm_unpacklo_epi16(s[5], s[6]);
- u[1] = _mm_unpackhi_epi16(s[5], s[6]);
- v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
- v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- t[5] = _mm_packs_epi32(u[0], u[1]);
- t[6] = _mm_packs_epi32(u[2], u[3]);
-
- t[8] = _mm_add_epi16(s[8], s[11]);
- t[9] = _mm_add_epi16(s[9], s[10]);
- t[10] = _mm_sub_epi16(s[9], s[10]);
- t[11] = _mm_sub_epi16(s[8], s[11]);
- t[12] = _mm_sub_epi16(s[15], s[12]);
- t[13] = _mm_sub_epi16(s[14], s[13]);
- t[14] = _mm_add_epi16(s[13], s[14]);
- t[15] = _mm_add_epi16(s[12], s[15]);
-
- // stage 6
- s[0] = _mm_add_epi16(t[0], t[7]);
- s[1] = _mm_add_epi16(t[1], t[6]);
- s[2] = _mm_add_epi16(t[2], t[5]);
- s[3] = _mm_add_epi16(t[3], t[4]);
- s[4] = _mm_sub_epi16(t[3], t[4]);
- s[5] = _mm_sub_epi16(t[2], t[5]);
- s[6] = _mm_sub_epi16(t[1], t[6]);
- s[7] = _mm_sub_epi16(t[0], t[7]);
- s[8] = t[8];
- s[9] = t[9];
-
- u[0] = _mm_unpacklo_epi16(t[10], t[13]);
- u[1] = _mm_unpackhi_epi16(t[10], t[13]);
- u[2] = _mm_unpacklo_epi16(t[11], t[12]);
- u[3] = _mm_unpackhi_epi16(t[11], t[12]);
-
- v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
- v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
- v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
- v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
- v[4] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
- v[5] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
- v[6] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
- v[7] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
-
- u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
- u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
- u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
- u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
- u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
- u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
- u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
- u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
-
- u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
- u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
- u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
- u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
- u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
- u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
- u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
- u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
-
- s[10] = _mm_packs_epi32(u[0], u[1]);
- s[13] = _mm_packs_epi32(u[2], u[3]);
- s[11] = _mm_packs_epi32(u[4], u[5]);
- s[12] = _mm_packs_epi32(u[6], u[7]);
- s[14] = t[14];
- s[15] = t[15];
-
- // stage 7
- in[0] = _mm_add_epi16(s[0], s[15]);
- in[1] = _mm_add_epi16(s[1], s[14]);
- in[2] = _mm_add_epi16(s[2], s[13]);
- in[3] = _mm_add_epi16(s[3], s[12]);
- in[4] = _mm_add_epi16(s[4], s[11]);
- in[5] = _mm_add_epi16(s[5], s[10]);
- in[6] = _mm_add_epi16(s[6], s[9]);
- in[7] = _mm_add_epi16(s[7], s[8]);
- in[8] = _mm_sub_epi16(s[7], s[8]);
- in[9] = _mm_sub_epi16(s[6], s[9]);
- in[10] = _mm_sub_epi16(s[5], s[10]);
- in[11] = _mm_sub_epi16(s[4], s[11]);
- in[12] = _mm_sub_epi16(s[3], s[12]);
- in[13] = _mm_sub_epi16(s[2], s[13]);
- in[14] = _mm_sub_epi16(s[1], s[14]);
- in[15] = _mm_sub_epi16(s[0], s[15]);
-}
-
-static void idct16_sse2(__m128i *in0, __m128i *in1) {
- array_transpose_16x16(in0, in1);
- idct16_8col(in0);
- idct16_8col(in1);
-}
-
-static void iadst16_sse2(__m128i *in0, __m128i *in1) {
- array_transpose_16x16(in0, in1);
- iadst16_8col(in0);
- iadst16_8col(in1);
-}
-
void vp9_iht16x16_256_add_sse2(const int16_t *input, uint8_t *dest, int stride,
int tx_type) {
__m128i in0[16], in1[16];
@@ -2319,1905 +178,3 @@
dest += 8;
write_buffer_8x16(dest, in1, stride);
}
-
-void vp9_idct16x16_10_add_sse2(const int16_t *input, uint8_t *dest,
- int stride) {
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i final_rounding = _mm_set1_epi16(1 << 5);
- const __m128i zero = _mm_setzero_si128();
-
- const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
- const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
-
- const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
-
- const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
- const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
-
- const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
- __m128i in[16], l[16];
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6,
- stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
- stp1_8_0, stp1_12_0;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
- stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
- int i;
- // First 1-D inverse DCT
- // Load input data.
- in[0] = _mm_load_si128((const __m128i *)input);
- in[1] = _mm_load_si128((const __m128i *)(input + 8 * 2));
- in[2] = _mm_load_si128((const __m128i *)(input + 8 * 4));
- in[3] = _mm_load_si128((const __m128i *)(input + 8 * 6));
-
- TRANSPOSE_8X4(in[0], in[1], in[2], in[3], in[0], in[1]);
-
- // Stage2
- {
- const __m128i lo_1_15 = _mm_unpackhi_epi16(in[0], zero);
- const __m128i lo_13_3 = _mm_unpackhi_epi16(zero, in[1]);
-
- tmp0 = _mm_madd_epi16(lo_1_15, stg2_0);
- tmp2 = _mm_madd_epi16(lo_1_15, stg2_1);
- tmp5 = _mm_madd_epi16(lo_13_3, stg2_6);
- tmp7 = _mm_madd_epi16(lo_13_3, stg2_7);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp5 = _mm_add_epi32(tmp5, rounding);
- tmp7 = _mm_add_epi32(tmp7, rounding);
-
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
- tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
-
- stp2_8 = _mm_packs_epi32(tmp0, tmp2);
- stp2_11 = _mm_packs_epi32(tmp5, tmp7);
- }
-
- // Stage3
- {
- const __m128i lo_2_14 = _mm_unpacklo_epi16(in[1], zero);
-
- tmp0 = _mm_madd_epi16(lo_2_14, stg3_0);
- tmp2 = _mm_madd_epi16(lo_2_14, stg3_1);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
-
- stp1_13 = _mm_unpackhi_epi64(stp2_11, zero);
- stp1_14 = _mm_unpackhi_epi64(stp2_8, zero);
-
- stp1_4 = _mm_packs_epi32(tmp0, tmp2);
- }
-
- // Stage4
- {
- const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], zero);
- const __m128i lo_9_14 = _mm_unpacklo_epi16(stp2_8, stp1_14);
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp2_11, stp1_13);
-
- tmp0 = _mm_madd_epi16(lo_0_8, stg4_0);
- tmp2 = _mm_madd_epi16(lo_0_8, stg4_1);
- tmp1 = _mm_madd_epi16(lo_9_14, stg4_4);
- tmp3 = _mm_madd_epi16(lo_9_14, stg4_5);
- tmp5 = _mm_madd_epi16(lo_10_13, stg4_6);
- tmp7 = _mm_madd_epi16(lo_10_13, stg4_7);
-
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp1 = _mm_add_epi32(tmp1, rounding);
- tmp3 = _mm_add_epi32(tmp3, rounding);
- tmp5 = _mm_add_epi32(tmp5, rounding);
- tmp7 = _mm_add_epi32(tmp7, rounding);
-
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
- tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
- tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
-
- stp1_0 = _mm_packs_epi32(tmp0, tmp0);
- stp1_1 = _mm_packs_epi32(tmp2, tmp2);
- stp2_9 = _mm_packs_epi32(tmp1, tmp3);
- stp2_10 = _mm_packs_epi32(tmp5, tmp7);
-
- stp2_6 = _mm_unpackhi_epi64(stp1_4, zero);
- }
-
- // Stage5 and Stage6
- {
- tmp0 = _mm_add_epi16(stp2_8, stp2_11);
- tmp1 = _mm_sub_epi16(stp2_8, stp2_11);
- tmp2 = _mm_add_epi16(stp2_9, stp2_10);
- tmp3 = _mm_sub_epi16(stp2_9, stp2_10);
-
- stp1_9 = _mm_unpacklo_epi64(tmp2, zero);
- stp1_10 = _mm_unpacklo_epi64(tmp3, zero);
- stp1_8 = _mm_unpacklo_epi64(tmp0, zero);
- stp1_11 = _mm_unpacklo_epi64(tmp1, zero);
-
- stp1_13 = _mm_unpackhi_epi64(tmp3, zero);
- stp1_14 = _mm_unpackhi_epi64(tmp2, zero);
- stp1_12 = _mm_unpackhi_epi64(tmp1, zero);
- stp1_15 = _mm_unpackhi_epi64(tmp0, zero);
- }
-
- // Stage6
- {
- const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp1_4);
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
- const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12);
-
- tmp1 = _mm_madd_epi16(lo_6_5, stg4_1);
- tmp3 = _mm_madd_epi16(lo_6_5, stg4_0);
- tmp0 = _mm_madd_epi16(lo_10_13, stg6_0);
- tmp2 = _mm_madd_epi16(lo_10_13, stg4_0);
- tmp4 = _mm_madd_epi16(lo_11_12, stg6_0);
- tmp6 = _mm_madd_epi16(lo_11_12, stg4_0);
-
- tmp1 = _mm_add_epi32(tmp1, rounding);
- tmp3 = _mm_add_epi32(tmp3, rounding);
- tmp0 = _mm_add_epi32(tmp0, rounding);
- tmp2 = _mm_add_epi32(tmp2, rounding);
- tmp4 = _mm_add_epi32(tmp4, rounding);
- tmp6 = _mm_add_epi32(tmp6, rounding);
-
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
- tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
- tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
-
- stp1_6 = _mm_packs_epi32(tmp3, tmp1);
-
- stp2_10 = _mm_packs_epi32(tmp0, zero);
- stp2_13 = _mm_packs_epi32(tmp2, zero);
- stp2_11 = _mm_packs_epi32(tmp4, zero);
- stp2_12 = _mm_packs_epi32(tmp6, zero);
-
- tmp0 = _mm_add_epi16(stp1_0, stp1_4);
- tmp1 = _mm_sub_epi16(stp1_0, stp1_4);
- tmp2 = _mm_add_epi16(stp1_1, stp1_6);
- tmp3 = _mm_sub_epi16(stp1_1, stp1_6);
-
- stp2_0 = _mm_unpackhi_epi64(tmp0, zero);
- stp2_1 = _mm_unpacklo_epi64(tmp2, zero);
- stp2_2 = _mm_unpackhi_epi64(tmp2, zero);
- stp2_3 = _mm_unpacklo_epi64(tmp0, zero);
- stp2_4 = _mm_unpacklo_epi64(tmp1, zero);
- stp2_5 = _mm_unpackhi_epi64(tmp3, zero);
- stp2_6 = _mm_unpacklo_epi64(tmp3, zero);
- stp2_7 = _mm_unpackhi_epi64(tmp1, zero);
- }
-
- // Stage7. Left 8x16 only.
- l[0] = _mm_add_epi16(stp2_0, stp1_15);
- l[1] = _mm_add_epi16(stp2_1, stp1_14);
- l[2] = _mm_add_epi16(stp2_2, stp2_13);
- l[3] = _mm_add_epi16(stp2_3, stp2_12);
- l[4] = _mm_add_epi16(stp2_4, stp2_11);
- l[5] = _mm_add_epi16(stp2_5, stp2_10);
- l[6] = _mm_add_epi16(stp2_6, stp1_9);
- l[7] = _mm_add_epi16(stp2_7, stp1_8);
- l[8] = _mm_sub_epi16(stp2_7, stp1_8);
- l[9] = _mm_sub_epi16(stp2_6, stp1_9);
- l[10] = _mm_sub_epi16(stp2_5, stp2_10);
- l[11] = _mm_sub_epi16(stp2_4, stp2_11);
- l[12] = _mm_sub_epi16(stp2_3, stp2_12);
- l[13] = _mm_sub_epi16(stp2_2, stp2_13);
- l[14] = _mm_sub_epi16(stp2_1, stp1_14);
- l[15] = _mm_sub_epi16(stp2_0, stp1_15);
-
- // Second 1-D inverse transform, performed per 8x16 block
- for (i = 0; i < 2; i++) {
- int j;
- array_transpose_4X8(l + 8 * i, in);
-
- IDCT16_10
-
- // Stage7
- in[0] = _mm_add_epi16(stp2_0, stp1_15);
- in[1] = _mm_add_epi16(stp2_1, stp1_14);
- in[2] = _mm_add_epi16(stp2_2, stp2_13);
- in[3] = _mm_add_epi16(stp2_3, stp2_12);
- in[4] = _mm_add_epi16(stp2_4, stp2_11);
- in[5] = _mm_add_epi16(stp2_5, stp2_10);
- in[6] = _mm_add_epi16(stp2_6, stp1_9);
- in[7] = _mm_add_epi16(stp2_7, stp1_8);
- in[8] = _mm_sub_epi16(stp2_7, stp1_8);
- in[9] = _mm_sub_epi16(stp2_6, stp1_9);
- in[10] = _mm_sub_epi16(stp2_5, stp2_10);
- in[11] = _mm_sub_epi16(stp2_4, stp2_11);
- in[12] = _mm_sub_epi16(stp2_3, stp2_12);
- in[13] = _mm_sub_epi16(stp2_2, stp2_13);
- in[14] = _mm_sub_epi16(stp2_1, stp1_14);
- in[15] = _mm_sub_epi16(stp2_0, stp1_15);
-
- for (j = 0; j < 16; ++j) {
- // Final rounding and shift
- in[j] = _mm_adds_epi16(in[j], final_rounding);
- in[j] = _mm_srai_epi16(in[j], 6);
- RECON_AND_STORE(dest + j * stride, in[j]);
- }
-
- dest += 8;
- }
-}
-
-#define LOAD_DQCOEFF(reg, input) \
- { \
- reg = _mm_load_si128((const __m128i *) input); \
- input += 8; \
- } \
-
-#define IDCT32_34 \
-/* Stage1 */ \
-{ \
- const __m128i zero = _mm_setzero_si128();\
- const __m128i lo_1_31 = _mm_unpacklo_epi16(in[1], zero); \
- const __m128i hi_1_31 = _mm_unpackhi_epi16(in[1], zero); \
- \
- const __m128i lo_25_7= _mm_unpacklo_epi16(zero, in[7]); \
- const __m128i hi_25_7 = _mm_unpackhi_epi16(zero, in[7]); \
- \
- const __m128i lo_5_27 = _mm_unpacklo_epi16(in[5], zero); \
- const __m128i hi_5_27 = _mm_unpackhi_epi16(in[5], zero); \
- \
- const __m128i lo_29_3 = _mm_unpacklo_epi16(zero, in[3]); \
- const __m128i hi_29_3 = _mm_unpackhi_epi16(zero, in[3]); \
- \
- MULTIPLICATION_AND_ADD_2(lo_1_31, hi_1_31, stg1_0, \
- stg1_1, stp1_16, stp1_31); \
- MULTIPLICATION_AND_ADD_2(lo_25_7, hi_25_7, stg1_6, \
- stg1_7, stp1_19, stp1_28); \
- MULTIPLICATION_AND_ADD_2(lo_5_27, hi_5_27, stg1_8, \
- stg1_9, stp1_20, stp1_27); \
- MULTIPLICATION_AND_ADD_2(lo_29_3, hi_29_3, stg1_14, \
- stg1_15, stp1_23, stp1_24); \
-} \
-\
-/* Stage2 */ \
-{ \
- const __m128i zero = _mm_setzero_si128();\
- const __m128i lo_2_30 = _mm_unpacklo_epi16(in[2], zero); \
- const __m128i hi_2_30 = _mm_unpackhi_epi16(in[2], zero); \
- \
- const __m128i lo_26_6 = _mm_unpacklo_epi16(zero, in[6]); \
- const __m128i hi_26_6 = _mm_unpackhi_epi16(zero, in[6]); \
- \
- MULTIPLICATION_AND_ADD_2(lo_2_30, hi_2_30, stg2_0, \
- stg2_1, stp2_8, stp2_15); \
- MULTIPLICATION_AND_ADD_2(lo_26_6, hi_26_6, stg2_6, \
- stg2_7, stp2_11, stp2_12); \
- \
- stp2_16 = stp1_16; \
- stp2_19 = stp1_19; \
- \
- stp2_20 = stp1_20; \
- stp2_23 = stp1_23; \
- \
- stp2_24 = stp1_24; \
- stp2_27 = stp1_27; \
- \
- stp2_28 = stp1_28; \
- stp2_31 = stp1_31; \
-} \
-\
-/* Stage3 */ \
-{ \
- const __m128i zero = _mm_setzero_si128();\
- const __m128i lo_4_28 = _mm_unpacklo_epi16(in[4], zero); \
- const __m128i hi_4_28 = _mm_unpackhi_epi16(in[4], zero); \
- \
- const __m128i lo_17_30 = _mm_unpacklo_epi16(stp1_16, stp1_31); \
- const __m128i hi_17_30 = _mm_unpackhi_epi16(stp1_16, stp1_31); \
- const __m128i lo_18_29 = _mm_unpacklo_epi16(stp1_19, stp1_28); \
- const __m128i hi_18_29 = _mm_unpackhi_epi16(stp1_19, stp1_28); \
- \
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp1_20, stp1_27); \
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp1_20, stp1_27); \
- const __m128i lo_22_25 = _mm_unpacklo_epi16(stp1_23, stp1_24); \
- const __m128i hi_22_25 = _mm_unpackhi_epi16(stp1_23, stp2_24); \
- \
- MULTIPLICATION_AND_ADD_2(lo_4_28, hi_4_28, stg3_0, \
- stg3_1, stp1_4, stp1_7); \
- \
- stp1_8 = stp2_8; \
- stp1_11 = stp2_11; \
- stp1_12 = stp2_12; \
- stp1_15 = stp2_15; \
- \
- MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4, \
- stg3_5, stg3_6, stg3_4, stp1_17, stp1_30, \
- stp1_18, stp1_29) \
- MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8, \
- stg3_9, stg3_10, stg3_8, stp1_21, stp1_26, \
- stp1_22, stp1_25) \
- \
- stp1_16 = stp2_16; \
- stp1_31 = stp2_31; \
- stp1_19 = stp2_19; \
- stp1_20 = stp2_20; \
- stp1_23 = stp2_23; \
- stp1_24 = stp2_24; \
- stp1_27 = stp2_27; \
- stp1_28 = stp2_28; \
-} \
-\
-/* Stage4 */ \
-{ \
- const __m128i zero = _mm_setzero_si128();\
- const __m128i lo_0_16 = _mm_unpacklo_epi16(in[0], zero); \
- const __m128i hi_0_16 = _mm_unpackhi_epi16(in[0], zero); \
- \
- const __m128i lo_9_14 = _mm_unpacklo_epi16(stp2_8, stp2_15); \
- const __m128i hi_9_14 = _mm_unpackhi_epi16(stp2_8, stp2_15); \
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp2_11, stp2_12); \
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp2_11, stp2_12); \
- \
- MULTIPLICATION_AND_ADD_2(lo_0_16, hi_0_16, stg4_0, \
- stg4_1, stp2_0, stp2_1); \
- \
- stp2_4 = stp1_4; \
- stp2_5 = stp1_4; \
- stp2_6 = stp1_7; \
- stp2_7 = stp1_7; \
- \
- MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4, \
- stg4_5, stg4_6, stg4_4, stp2_9, stp2_14, \
- stp2_10, stp2_13) \
- \
- stp2_8 = stp1_8; \
- stp2_15 = stp1_15; \
- stp2_11 = stp1_11; \
- stp2_12 = stp1_12; \
- \
- stp2_16 = _mm_add_epi16(stp1_16, stp1_19); \
- stp2_17 = _mm_add_epi16(stp1_17, stp1_18); \
- stp2_18 = _mm_sub_epi16(stp1_17, stp1_18); \
- stp2_19 = _mm_sub_epi16(stp1_16, stp1_19); \
- stp2_20 = _mm_sub_epi16(stp1_23, stp1_20); \
- stp2_21 = _mm_sub_epi16(stp1_22, stp1_21); \
- stp2_22 = _mm_add_epi16(stp1_22, stp1_21); \
- stp2_23 = _mm_add_epi16(stp1_23, stp1_20); \
- \
- stp2_24 = _mm_add_epi16(stp1_24, stp1_27); \
- stp2_25 = _mm_add_epi16(stp1_25, stp1_26); \
- stp2_26 = _mm_sub_epi16(stp1_25, stp1_26); \
- stp2_27 = _mm_sub_epi16(stp1_24, stp1_27); \
- stp2_28 = _mm_sub_epi16(stp1_31, stp1_28); \
- stp2_29 = _mm_sub_epi16(stp1_30, stp1_29); \
- stp2_30 = _mm_add_epi16(stp1_29, stp1_30); \
- stp2_31 = _mm_add_epi16(stp1_28, stp1_31); \
-} \
-\
-/* Stage5 */ \
-{ \
- const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
- const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
- const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
- const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
- \
- const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28); \
- const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28); \
- const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
- const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
- \
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
- \
- stp1_0 = stp2_0; \
- stp1_1 = stp2_1; \
- stp1_2 = stp2_1; \
- stp1_3 = stp2_0; \
- \
- tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
- tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
- tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
- tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
- \
- tmp0 = _mm_add_epi32(tmp0, rounding); \
- tmp1 = _mm_add_epi32(tmp1, rounding); \
- tmp2 = _mm_add_epi32(tmp2, rounding); \
- tmp3 = _mm_add_epi32(tmp3, rounding); \
- \
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
- \
- stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
- stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
- \
- stp1_4 = stp2_4; \
- stp1_7 = stp2_7; \
- \
- stp1_8 = _mm_add_epi16(stp2_8, stp2_11); \
- stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
- stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
- stp1_11 = _mm_sub_epi16(stp2_8, stp2_11); \
- stp1_12 = _mm_sub_epi16(stp2_15, stp2_12); \
- stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
- stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
- stp1_15 = _mm_add_epi16(stp2_15, stp2_12); \
- \
- stp1_16 = stp2_16; \
- stp1_17 = stp2_17; \
- \
- MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4, \
- stg4_5, stg4_4, stg4_5, stp1_18, stp1_29, \
- stp1_19, stp1_28) \
- MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6, \
- stg4_4, stg4_6, stg4_4, stp1_20, stp1_27, \
- stp1_21, stp1_26) \
- \
- stp1_22 = stp2_22; \
- stp1_23 = stp2_23; \
- stp1_24 = stp2_24; \
- stp1_25 = stp2_25; \
- stp1_30 = stp2_30; \
- stp1_31 = stp2_31; \
-} \
-\
-/* Stage6 */ \
-{ \
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
- const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
- const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
- \
- stp2_0 = _mm_add_epi16(stp1_0, stp1_7); \
- stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
- stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
- stp2_3 = _mm_add_epi16(stp1_3, stp1_4); \
- stp2_4 = _mm_sub_epi16(stp1_3, stp1_4); \
- stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
- stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
- stp2_7 = _mm_sub_epi16(stp1_0, stp1_7); \
- \
- stp2_8 = stp1_8; \
- stp2_9 = stp1_9; \
- stp2_14 = stp1_14; \
- stp2_15 = stp1_15; \
- \
- MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
- stg6_0, stg4_0, stg6_0, stg4_0, stp2_10, \
- stp2_13, stp2_11, stp2_12) \
- \
- stp2_16 = _mm_add_epi16(stp1_16, stp1_23); \
- stp2_17 = _mm_add_epi16(stp1_17, stp1_22); \
- stp2_18 = _mm_add_epi16(stp1_18, stp1_21); \
- stp2_19 = _mm_add_epi16(stp1_19, stp1_20); \
- stp2_20 = _mm_sub_epi16(stp1_19, stp1_20); \
- stp2_21 = _mm_sub_epi16(stp1_18, stp1_21); \
- stp2_22 = _mm_sub_epi16(stp1_17, stp1_22); \
- stp2_23 = _mm_sub_epi16(stp1_16, stp1_23); \
- \
- stp2_24 = _mm_sub_epi16(stp1_31, stp1_24); \
- stp2_25 = _mm_sub_epi16(stp1_30, stp1_25); \
- stp2_26 = _mm_sub_epi16(stp1_29, stp1_26); \
- stp2_27 = _mm_sub_epi16(stp1_28, stp1_27); \
- stp2_28 = _mm_add_epi16(stp1_27, stp1_28); \
- stp2_29 = _mm_add_epi16(stp1_26, stp1_29); \
- stp2_30 = _mm_add_epi16(stp1_25, stp1_30); \
- stp2_31 = _mm_add_epi16(stp1_24, stp1_31); \
-} \
-\
-/* Stage7 */ \
-{ \
- const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
- const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
- \
- const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
- const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
- const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24); \
- const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24); \
- \
- stp1_0 = _mm_add_epi16(stp2_0, stp2_15); \
- stp1_1 = _mm_add_epi16(stp2_1, stp2_14); \
- stp1_2 = _mm_add_epi16(stp2_2, stp2_13); \
- stp1_3 = _mm_add_epi16(stp2_3, stp2_12); \
- stp1_4 = _mm_add_epi16(stp2_4, stp2_11); \
- stp1_5 = _mm_add_epi16(stp2_5, stp2_10); \
- stp1_6 = _mm_add_epi16(stp2_6, stp2_9); \
- stp1_7 = _mm_add_epi16(stp2_7, stp2_8); \
- stp1_8 = _mm_sub_epi16(stp2_7, stp2_8); \
- stp1_9 = _mm_sub_epi16(stp2_6, stp2_9); \
- stp1_10 = _mm_sub_epi16(stp2_5, stp2_10); \
- stp1_11 = _mm_sub_epi16(stp2_4, stp2_11); \
- stp1_12 = _mm_sub_epi16(stp2_3, stp2_12); \
- stp1_13 = _mm_sub_epi16(stp2_2, stp2_13); \
- stp1_14 = _mm_sub_epi16(stp2_1, stp2_14); \
- stp1_15 = _mm_sub_epi16(stp2_0, stp2_15); \
- \
- stp1_16 = stp2_16; \
- stp1_17 = stp2_17; \
- stp1_18 = stp2_18; \
- stp1_19 = stp2_19; \
- \
- MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0, \
- stg4_0, stg6_0, stg4_0, stp1_20, stp1_27, \
- stp1_21, stp1_26) \
- MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0, \
- stg4_0, stg6_0, stg4_0, stp1_22, stp1_25, \
- stp1_23, stp1_24) \
- \
- stp1_28 = stp2_28; \
- stp1_29 = stp2_29; \
- stp1_30 = stp2_30; \
- stp1_31 = stp2_31; \
-}
-
-
-#define IDCT32 \
-/* Stage1 */ \
-{ \
- const __m128i lo_1_31 = _mm_unpacklo_epi16(in[1], in[31]); \
- const __m128i hi_1_31 = _mm_unpackhi_epi16(in[1], in[31]); \
- const __m128i lo_17_15 = _mm_unpacklo_epi16(in[17], in[15]); \
- const __m128i hi_17_15 = _mm_unpackhi_epi16(in[17], in[15]); \
- \
- const __m128i lo_9_23 = _mm_unpacklo_epi16(in[9], in[23]); \
- const __m128i hi_9_23 = _mm_unpackhi_epi16(in[9], in[23]); \
- const __m128i lo_25_7= _mm_unpacklo_epi16(in[25], in[7]); \
- const __m128i hi_25_7 = _mm_unpackhi_epi16(in[25], in[7]); \
- \
- const __m128i lo_5_27 = _mm_unpacklo_epi16(in[5], in[27]); \
- const __m128i hi_5_27 = _mm_unpackhi_epi16(in[5], in[27]); \
- const __m128i lo_21_11 = _mm_unpacklo_epi16(in[21], in[11]); \
- const __m128i hi_21_11 = _mm_unpackhi_epi16(in[21], in[11]); \
- \
- const __m128i lo_13_19 = _mm_unpacklo_epi16(in[13], in[19]); \
- const __m128i hi_13_19 = _mm_unpackhi_epi16(in[13], in[19]); \
- const __m128i lo_29_3 = _mm_unpacklo_epi16(in[29], in[3]); \
- const __m128i hi_29_3 = _mm_unpackhi_epi16(in[29], in[3]); \
- \
- MULTIPLICATION_AND_ADD(lo_1_31, hi_1_31, lo_17_15, hi_17_15, stg1_0, \
- stg1_1, stg1_2, stg1_3, stp1_16, stp1_31, \
- stp1_17, stp1_30) \
- MULTIPLICATION_AND_ADD(lo_9_23, hi_9_23, lo_25_7, hi_25_7, stg1_4, \
- stg1_5, stg1_6, stg1_7, stp1_18, stp1_29, \
- stp1_19, stp1_28) \
- MULTIPLICATION_AND_ADD(lo_5_27, hi_5_27, lo_21_11, hi_21_11, stg1_8, \
- stg1_9, stg1_10, stg1_11, stp1_20, stp1_27, \
- stp1_21, stp1_26) \
- MULTIPLICATION_AND_ADD(lo_13_19, hi_13_19, lo_29_3, hi_29_3, stg1_12, \
- stg1_13, stg1_14, stg1_15, stp1_22, stp1_25, \
- stp1_23, stp1_24) \
-} \
-\
-/* Stage2 */ \
-{ \
- const __m128i lo_2_30 = _mm_unpacklo_epi16(in[2], in[30]); \
- const __m128i hi_2_30 = _mm_unpackhi_epi16(in[2], in[30]); \
- const __m128i lo_18_14 = _mm_unpacklo_epi16(in[18], in[14]); \
- const __m128i hi_18_14 = _mm_unpackhi_epi16(in[18], in[14]); \
- \
- const __m128i lo_10_22 = _mm_unpacklo_epi16(in[10], in[22]); \
- const __m128i hi_10_22 = _mm_unpackhi_epi16(in[10], in[22]); \
- const __m128i lo_26_6 = _mm_unpacklo_epi16(in[26], in[6]); \
- const __m128i hi_26_6 = _mm_unpackhi_epi16(in[26], in[6]); \
- \
- MULTIPLICATION_AND_ADD(lo_2_30, hi_2_30, lo_18_14, hi_18_14, stg2_0, \
- stg2_1, stg2_2, stg2_3, stp2_8, stp2_15, stp2_9, \
- stp2_14) \
- MULTIPLICATION_AND_ADD(lo_10_22, hi_10_22, lo_26_6, hi_26_6, stg2_4, \
- stg2_5, stg2_6, stg2_7, stp2_10, stp2_13, \
- stp2_11, stp2_12) \
- \
- stp2_16 = _mm_add_epi16(stp1_16, stp1_17); \
- stp2_17 = _mm_sub_epi16(stp1_16, stp1_17); \
- stp2_18 = _mm_sub_epi16(stp1_19, stp1_18); \
- stp2_19 = _mm_add_epi16(stp1_19, stp1_18); \
- \
- stp2_20 = _mm_add_epi16(stp1_20, stp1_21); \
- stp2_21 = _mm_sub_epi16(stp1_20, stp1_21); \
- stp2_22 = _mm_sub_epi16(stp1_23, stp1_22); \
- stp2_23 = _mm_add_epi16(stp1_23, stp1_22); \
- \
- stp2_24 = _mm_add_epi16(stp1_24, stp1_25); \
- stp2_25 = _mm_sub_epi16(stp1_24, stp1_25); \
- stp2_26 = _mm_sub_epi16(stp1_27, stp1_26); \
- stp2_27 = _mm_add_epi16(stp1_27, stp1_26); \
- \
- stp2_28 = _mm_add_epi16(stp1_28, stp1_29); \
- stp2_29 = _mm_sub_epi16(stp1_28, stp1_29); \
- stp2_30 = _mm_sub_epi16(stp1_31, stp1_30); \
- stp2_31 = _mm_add_epi16(stp1_31, stp1_30); \
-} \
-\
-/* Stage3 */ \
-{ \
- const __m128i lo_4_28 = _mm_unpacklo_epi16(in[4], in[28]); \
- const __m128i hi_4_28 = _mm_unpackhi_epi16(in[4], in[28]); \
- const __m128i lo_20_12 = _mm_unpacklo_epi16(in[20], in[12]); \
- const __m128i hi_20_12 = _mm_unpackhi_epi16(in[20], in[12]); \
- \
- const __m128i lo_17_30 = _mm_unpacklo_epi16(stp2_17, stp2_30); \
- const __m128i hi_17_30 = _mm_unpackhi_epi16(stp2_17, stp2_30); \
- const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
- const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
- \
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
- const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
- const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
- \
- MULTIPLICATION_AND_ADD(lo_4_28, hi_4_28, lo_20_12, hi_20_12, stg3_0, \
- stg3_1, stg3_2, stg3_3, stp1_4, stp1_7, stp1_5, \
- stp1_6) \
- \
- stp1_8 = _mm_add_epi16(stp2_8, stp2_9); \
- stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \
- stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \
- stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \
- stp1_12 = _mm_add_epi16(stp2_12, stp2_13); \
- stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \
- stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \
- stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \
- \
- MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4, \
- stg3_5, stg3_6, stg3_4, stp1_17, stp1_30, \
- stp1_18, stp1_29) \
- MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8, \
- stg3_9, stg3_10, stg3_8, stp1_21, stp1_26, \
- stp1_22, stp1_25) \
- \
- stp1_16 = stp2_16; \
- stp1_31 = stp2_31; \
- stp1_19 = stp2_19; \
- stp1_20 = stp2_20; \
- stp1_23 = stp2_23; \
- stp1_24 = stp2_24; \
- stp1_27 = stp2_27; \
- stp1_28 = stp2_28; \
-} \
-\
-/* Stage4 */ \
-{ \
- const __m128i lo_0_16 = _mm_unpacklo_epi16(in[0], in[16]); \
- const __m128i hi_0_16 = _mm_unpackhi_epi16(in[0], in[16]); \
- const __m128i lo_8_24 = _mm_unpacklo_epi16(in[8], in[24]); \
- const __m128i hi_8_24 = _mm_unpackhi_epi16(in[8], in[24]); \
- \
- const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
- const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
- \
- MULTIPLICATION_AND_ADD(lo_0_16, hi_0_16, lo_8_24, hi_8_24, stg4_0, \
- stg4_1, stg4_2, stg4_3, stp2_0, stp2_1, \
- stp2_2, stp2_3) \
- \
- stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \
- stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \
- stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \
- stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \
- \
- MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4, \
- stg4_5, stg4_6, stg4_4, stp2_9, stp2_14, \
- stp2_10, stp2_13) \
- \
- stp2_8 = stp1_8; \
- stp2_15 = stp1_15; \
- stp2_11 = stp1_11; \
- stp2_12 = stp1_12; \
- \
- stp2_16 = _mm_add_epi16(stp1_16, stp1_19); \
- stp2_17 = _mm_add_epi16(stp1_17, stp1_18); \
- stp2_18 = _mm_sub_epi16(stp1_17, stp1_18); \
- stp2_19 = _mm_sub_epi16(stp1_16, stp1_19); \
- stp2_20 = _mm_sub_epi16(stp1_23, stp1_20); \
- stp2_21 = _mm_sub_epi16(stp1_22, stp1_21); \
- stp2_22 = _mm_add_epi16(stp1_22, stp1_21); \
- stp2_23 = _mm_add_epi16(stp1_23, stp1_20); \
- \
- stp2_24 = _mm_add_epi16(stp1_24, stp1_27); \
- stp2_25 = _mm_add_epi16(stp1_25, stp1_26); \
- stp2_26 = _mm_sub_epi16(stp1_25, stp1_26); \
- stp2_27 = _mm_sub_epi16(stp1_24, stp1_27); \
- stp2_28 = _mm_sub_epi16(stp1_31, stp1_28); \
- stp2_29 = _mm_sub_epi16(stp1_30, stp1_29); \
- stp2_30 = _mm_add_epi16(stp1_29, stp1_30); \
- stp2_31 = _mm_add_epi16(stp1_28, stp1_31); \
-} \
-\
-/* Stage5 */ \
-{ \
- const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
- const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
- const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
- const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
- \
- const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28); \
- const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28); \
- const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
- const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
- \
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
- \
- stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \
- stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \
- stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \
- stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \
- \
- tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
- tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
- tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
- tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
- \
- tmp0 = _mm_add_epi32(tmp0, rounding); \
- tmp1 = _mm_add_epi32(tmp1, rounding); \
- tmp2 = _mm_add_epi32(tmp2, rounding); \
- tmp3 = _mm_add_epi32(tmp3, rounding); \
- \
- tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
- tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
- tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
- tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
- \
- stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
- stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
- \
- stp1_4 = stp2_4; \
- stp1_7 = stp2_7; \
- \
- stp1_8 = _mm_add_epi16(stp2_8, stp2_11); \
- stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
- stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
- stp1_11 = _mm_sub_epi16(stp2_8, stp2_11); \
- stp1_12 = _mm_sub_epi16(stp2_15, stp2_12); \
- stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
- stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
- stp1_15 = _mm_add_epi16(stp2_15, stp2_12); \
- \
- stp1_16 = stp2_16; \
- stp1_17 = stp2_17; \
- \
- MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4, \
- stg4_5, stg4_4, stg4_5, stp1_18, stp1_29, \
- stp1_19, stp1_28) \
- MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6, \
- stg4_4, stg4_6, stg4_4, stp1_20, stp1_27, \
- stp1_21, stp1_26) \
- \
- stp1_22 = stp2_22; \
- stp1_23 = stp2_23; \
- stp1_24 = stp2_24; \
- stp1_25 = stp2_25; \
- stp1_30 = stp2_30; \
- stp1_31 = stp2_31; \
-} \
-\
-/* Stage6 */ \
-{ \
- const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
- const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
- const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
- const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
- \
- stp2_0 = _mm_add_epi16(stp1_0, stp1_7); \
- stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
- stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
- stp2_3 = _mm_add_epi16(stp1_3, stp1_4); \
- stp2_4 = _mm_sub_epi16(stp1_3, stp1_4); \
- stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
- stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
- stp2_7 = _mm_sub_epi16(stp1_0, stp1_7); \
- \
- stp2_8 = stp1_8; \
- stp2_9 = stp1_9; \
- stp2_14 = stp1_14; \
- stp2_15 = stp1_15; \
- \
- MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
- stg6_0, stg4_0, stg6_0, stg4_0, stp2_10, \
- stp2_13, stp2_11, stp2_12) \
- \
- stp2_16 = _mm_add_epi16(stp1_16, stp1_23); \
- stp2_17 = _mm_add_epi16(stp1_17, stp1_22); \
- stp2_18 = _mm_add_epi16(stp1_18, stp1_21); \
- stp2_19 = _mm_add_epi16(stp1_19, stp1_20); \
- stp2_20 = _mm_sub_epi16(stp1_19, stp1_20); \
- stp2_21 = _mm_sub_epi16(stp1_18, stp1_21); \
- stp2_22 = _mm_sub_epi16(stp1_17, stp1_22); \
- stp2_23 = _mm_sub_epi16(stp1_16, stp1_23); \
- \
- stp2_24 = _mm_sub_epi16(stp1_31, stp1_24); \
- stp2_25 = _mm_sub_epi16(stp1_30, stp1_25); \
- stp2_26 = _mm_sub_epi16(stp1_29, stp1_26); \
- stp2_27 = _mm_sub_epi16(stp1_28, stp1_27); \
- stp2_28 = _mm_add_epi16(stp1_27, stp1_28); \
- stp2_29 = _mm_add_epi16(stp1_26, stp1_29); \
- stp2_30 = _mm_add_epi16(stp1_25, stp1_30); \
- stp2_31 = _mm_add_epi16(stp1_24, stp1_31); \
-} \
-\
-/* Stage7 */ \
-{ \
- const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
- const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
- const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
- const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
- \
- const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
- const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
- const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24); \
- const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24); \
- \
- stp1_0 = _mm_add_epi16(stp2_0, stp2_15); \
- stp1_1 = _mm_add_epi16(stp2_1, stp2_14); \
- stp1_2 = _mm_add_epi16(stp2_2, stp2_13); \
- stp1_3 = _mm_add_epi16(stp2_3, stp2_12); \
- stp1_4 = _mm_add_epi16(stp2_4, stp2_11); \
- stp1_5 = _mm_add_epi16(stp2_5, stp2_10); \
- stp1_6 = _mm_add_epi16(stp2_6, stp2_9); \
- stp1_7 = _mm_add_epi16(stp2_7, stp2_8); \
- stp1_8 = _mm_sub_epi16(stp2_7, stp2_8); \
- stp1_9 = _mm_sub_epi16(stp2_6, stp2_9); \
- stp1_10 = _mm_sub_epi16(stp2_5, stp2_10); \
- stp1_11 = _mm_sub_epi16(stp2_4, stp2_11); \
- stp1_12 = _mm_sub_epi16(stp2_3, stp2_12); \
- stp1_13 = _mm_sub_epi16(stp2_2, stp2_13); \
- stp1_14 = _mm_sub_epi16(stp2_1, stp2_14); \
- stp1_15 = _mm_sub_epi16(stp2_0, stp2_15); \
- \
- stp1_16 = stp2_16; \
- stp1_17 = stp2_17; \
- stp1_18 = stp2_18; \
- stp1_19 = stp2_19; \
- \
- MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0, \
- stg4_0, stg6_0, stg4_0, stp1_20, stp1_27, \
- stp1_21, stp1_26) \
- MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0, \
- stg4_0, stg6_0, stg4_0, stp1_22, stp1_25, \
- stp1_23, stp1_24) \
- \
- stp1_28 = stp2_28; \
- stp1_29 = stp2_29; \
- stp1_30 = stp2_30; \
- stp1_31 = stp2_31; \
-}
-
-// Only upper-left 8x8 has non-zero coeff
-void vp9_idct32x32_34_add_sse2(const int16_t *input, uint8_t *dest,
- int stride) {
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i final_rounding = _mm_set1_epi16(1<<5);
-
- // idct constants for each stage
- const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64);
- const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64);
- const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64);
- const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64);
- const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64);
- const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64);
- const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64);
- const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64);
-
- const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
- const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
-
- const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
- const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
- const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
- const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
-
- const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
-
- const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
-
- __m128i in[32], col[32];
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
- stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
- stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22,
- stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29,
- stp1_30, stp1_31;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
- stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15,
- stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22,
- stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29,
- stp2_30, stp2_31;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
- int i;
-
- // Load input data. Only need to load the top left 8x8 block.
- in[0] = _mm_load_si128((const __m128i *)input);
- in[1] = _mm_load_si128((const __m128i *)(input + 32));
- in[2] = _mm_load_si128((const __m128i *)(input + 64));
- in[3] = _mm_load_si128((const __m128i *)(input + 96));
- in[4] = _mm_load_si128((const __m128i *)(input + 128));
- in[5] = _mm_load_si128((const __m128i *)(input + 160));
- in[6] = _mm_load_si128((const __m128i *)(input + 192));
- in[7] = _mm_load_si128((const __m128i *)(input + 224));
-
- for (i = 8; i < 32; ++i) {
- in[i] = _mm_setzero_si128();
- }
-
- array_transpose_8x8(in, in);
- // TODO(hkuang): Following transposes are unnecessary. But remove them will
- // lead to performance drop on some devices.
- array_transpose_8x8(in + 8, in + 8);
- array_transpose_8x8(in + 16, in + 16);
- array_transpose_8x8(in + 24, in + 24);
-
- IDCT32_34
-
- // 1_D: Store 32 intermediate results for each 8x32 block.
- col[0] = _mm_add_epi16(stp1_0, stp1_31);
- col[1] = _mm_add_epi16(stp1_1, stp1_30);
- col[2] = _mm_add_epi16(stp1_2, stp1_29);
- col[3] = _mm_add_epi16(stp1_3, stp1_28);
- col[4] = _mm_add_epi16(stp1_4, stp1_27);
- col[5] = _mm_add_epi16(stp1_5, stp1_26);
- col[6] = _mm_add_epi16(stp1_6, stp1_25);
- col[7] = _mm_add_epi16(stp1_7, stp1_24);
- col[8] = _mm_add_epi16(stp1_8, stp1_23);
- col[9] = _mm_add_epi16(stp1_9, stp1_22);
- col[10] = _mm_add_epi16(stp1_10, stp1_21);
- col[11] = _mm_add_epi16(stp1_11, stp1_20);
- col[12] = _mm_add_epi16(stp1_12, stp1_19);
- col[13] = _mm_add_epi16(stp1_13, stp1_18);
- col[14] = _mm_add_epi16(stp1_14, stp1_17);
- col[15] = _mm_add_epi16(stp1_15, stp1_16);
- col[16] = _mm_sub_epi16(stp1_15, stp1_16);
- col[17] = _mm_sub_epi16(stp1_14, stp1_17);
- col[18] = _mm_sub_epi16(stp1_13, stp1_18);
- col[19] = _mm_sub_epi16(stp1_12, stp1_19);
- col[20] = _mm_sub_epi16(stp1_11, stp1_20);
- col[21] = _mm_sub_epi16(stp1_10, stp1_21);
- col[22] = _mm_sub_epi16(stp1_9, stp1_22);
- col[23] = _mm_sub_epi16(stp1_8, stp1_23);
- col[24] = _mm_sub_epi16(stp1_7, stp1_24);
- col[25] = _mm_sub_epi16(stp1_6, stp1_25);
- col[26] = _mm_sub_epi16(stp1_5, stp1_26);
- col[27] = _mm_sub_epi16(stp1_4, stp1_27);
- col[28] = _mm_sub_epi16(stp1_3, stp1_28);
- col[29] = _mm_sub_epi16(stp1_2, stp1_29);
- col[30] = _mm_sub_epi16(stp1_1, stp1_30);
- col[31] = _mm_sub_epi16(stp1_0, stp1_31);
- for (i = 0; i < 4; i++) {
- int j;
- const __m128i zero = _mm_setzero_si128();
- // Transpose 32x8 block to 8x32 block
- array_transpose_8x8(col + i * 8, in);
- IDCT32_34
-
- // 2_D: Calculate the results and store them to destination.
- in[0] = _mm_add_epi16(stp1_0, stp1_31);
- in[1] = _mm_add_epi16(stp1_1, stp1_30);
- in[2] = _mm_add_epi16(stp1_2, stp1_29);
- in[3] = _mm_add_epi16(stp1_3, stp1_28);
- in[4] = _mm_add_epi16(stp1_4, stp1_27);
- in[5] = _mm_add_epi16(stp1_5, stp1_26);
- in[6] = _mm_add_epi16(stp1_6, stp1_25);
- in[7] = _mm_add_epi16(stp1_7, stp1_24);
- in[8] = _mm_add_epi16(stp1_8, stp1_23);
- in[9] = _mm_add_epi16(stp1_9, stp1_22);
- in[10] = _mm_add_epi16(stp1_10, stp1_21);
- in[11] = _mm_add_epi16(stp1_11, stp1_20);
- in[12] = _mm_add_epi16(stp1_12, stp1_19);
- in[13] = _mm_add_epi16(stp1_13, stp1_18);
- in[14] = _mm_add_epi16(stp1_14, stp1_17);
- in[15] = _mm_add_epi16(stp1_15, stp1_16);
- in[16] = _mm_sub_epi16(stp1_15, stp1_16);
- in[17] = _mm_sub_epi16(stp1_14, stp1_17);
- in[18] = _mm_sub_epi16(stp1_13, stp1_18);
- in[19] = _mm_sub_epi16(stp1_12, stp1_19);
- in[20] = _mm_sub_epi16(stp1_11, stp1_20);
- in[21] = _mm_sub_epi16(stp1_10, stp1_21);
- in[22] = _mm_sub_epi16(stp1_9, stp1_22);
- in[23] = _mm_sub_epi16(stp1_8, stp1_23);
- in[24] = _mm_sub_epi16(stp1_7, stp1_24);
- in[25] = _mm_sub_epi16(stp1_6, stp1_25);
- in[26] = _mm_sub_epi16(stp1_5, stp1_26);
- in[27] = _mm_sub_epi16(stp1_4, stp1_27);
- in[28] = _mm_sub_epi16(stp1_3, stp1_28);
- in[29] = _mm_sub_epi16(stp1_2, stp1_29);
- in[30] = _mm_sub_epi16(stp1_1, stp1_30);
- in[31] = _mm_sub_epi16(stp1_0, stp1_31);
-
- for (j = 0; j < 32; ++j) {
- // Final rounding and shift
- in[j] = _mm_adds_epi16(in[j], final_rounding);
- in[j] = _mm_srai_epi16(in[j], 6);
- RECON_AND_STORE(dest + j * stride, in[j]);
- }
-
- dest += 8;
- }
-}
-
-void vp9_idct32x32_1024_add_sse2(const int16_t *input, uint8_t *dest,
- int stride) {
- const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
- const __m128i final_rounding = _mm_set1_epi16(1 << 5);
- const __m128i zero = _mm_setzero_si128();
-
- // idct constants for each stage
- const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64);
- const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64);
- const __m128i stg1_2 = pair_set_epi16(cospi_15_64, -cospi_17_64);
- const __m128i stg1_3 = pair_set_epi16(cospi_17_64, cospi_15_64);
- const __m128i stg1_4 = pair_set_epi16(cospi_23_64, -cospi_9_64);
- const __m128i stg1_5 = pair_set_epi16(cospi_9_64, cospi_23_64);
- const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64);
- const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64);
- const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64);
- const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64);
- const __m128i stg1_10 = pair_set_epi16(cospi_11_64, -cospi_21_64);
- const __m128i stg1_11 = pair_set_epi16(cospi_21_64, cospi_11_64);
- const __m128i stg1_12 = pair_set_epi16(cospi_19_64, -cospi_13_64);
- const __m128i stg1_13 = pair_set_epi16(cospi_13_64, cospi_19_64);
- const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64);
- const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64);
-
- const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
- const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
- const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
- const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
- const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
- const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
- const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
- const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
-
- const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
- const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
- const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
- const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
- const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
- const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
- const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
- const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
- const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
- const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
-
- const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
- const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
- const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
- const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
- const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
- const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
- const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
-
- const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
-
- __m128i in[32], col[128], zero_idx[16];
- __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
- stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
- stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22,
- stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29,
- stp1_30, stp1_31;
- __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
- stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15,
- stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22,
- stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29,
- stp2_30, stp2_31;
- __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
- int i, j, i32;
-
- for (i = 0; i < 4; i++) {
- i32 = (i << 5);
- // First 1-D idct
- // Load input data.
- LOAD_DQCOEFF(in[0], input);
- LOAD_DQCOEFF(in[8], input);
- LOAD_DQCOEFF(in[16], input);
- LOAD_DQCOEFF(in[24], input);
- LOAD_DQCOEFF(in[1], input);
- LOAD_DQCOEFF(in[9], input);
- LOAD_DQCOEFF(in[17], input);
- LOAD_DQCOEFF(in[25], input);
- LOAD_DQCOEFF(in[2], input);
- LOAD_DQCOEFF(in[10], input);
- LOAD_DQCOEFF(in[18], input);
- LOAD_DQCOEFF(in[26], input);
- LOAD_DQCOEFF(in[3], input);
- LOAD_DQCOEFF(in[11], input);
- LOAD_DQCOEFF(in[19], input);
- LOAD_DQCOEFF(in[27], input);
-
- LOAD_DQCOEFF(in[4], input);
- LOAD_DQCOEFF(in[12], input);
- LOAD_DQCOEFF(in[20], input);
- LOAD_DQCOEFF(in[28], input);
- LOAD_DQCOEFF(in[5], input);
- LOAD_DQCOEFF(in[13], input);
- LOAD_DQCOEFF(in[21], input);
- LOAD_DQCOEFF(in[29], input);
- LOAD_DQCOEFF(in[6], input);
- LOAD_DQCOEFF(in[14], input);
- LOAD_DQCOEFF(in[22], input);
- LOAD_DQCOEFF(in[30], input);
- LOAD_DQCOEFF(in[7], input);
- LOAD_DQCOEFF(in[15], input);
- LOAD_DQCOEFF(in[23], input);
- LOAD_DQCOEFF(in[31], input);
-
- // checking if all entries are zero
- zero_idx[0] = _mm_or_si128(in[0], in[1]);
- zero_idx[1] = _mm_or_si128(in[2], in[3]);
- zero_idx[2] = _mm_or_si128(in[4], in[5]);
- zero_idx[3] = _mm_or_si128(in[6], in[7]);
- zero_idx[4] = _mm_or_si128(in[8], in[9]);
- zero_idx[5] = _mm_or_si128(in[10], in[11]);
- zero_idx[6] = _mm_or_si128(in[12], in[13]);
- zero_idx[7] = _mm_or_si128(in[14], in[15]);
- zero_idx[8] = _mm_or_si128(in[16], in[17]);
- zero_idx[9] = _mm_or_si128(in[18], in[19]);
- zero_idx[10] = _mm_or_si128(in[20], in[21]);
- zero_idx[11] = _mm_or_si128(in[22], in[23]);
- zero_idx[12] = _mm_or_si128(in[24], in[25]);
- zero_idx[13] = _mm_or_si128(in[26], in[27]);
- zero_idx[14] = _mm_or_si128(in[28], in[29]);
- zero_idx[15] = _mm_or_si128(in[30], in[31]);
-
- zero_idx[0] = _mm_or_si128(zero_idx[0], zero_idx[1]);
- zero_idx[1] = _mm_or_si128(zero_idx[2], zero_idx[3]);
- zero_idx[2] = _mm_or_si128(zero_idx[4], zero_idx[5]);
- zero_idx[3] = _mm_or_si128(zero_idx[6], zero_idx[7]);
- zero_idx[4] = _mm_or_si128(zero_idx[8], zero_idx[9]);
- zero_idx[5] = _mm_or_si128(zero_idx[10], zero_idx[11]);
- zero_idx[6] = _mm_or_si128(zero_idx[12], zero_idx[13]);
- zero_idx[7] = _mm_or_si128(zero_idx[14], zero_idx[15]);
-
- zero_idx[8] = _mm_or_si128(zero_idx[0], zero_idx[1]);
- zero_idx[9] = _mm_or_si128(zero_idx[2], zero_idx[3]);
- zero_idx[10] = _mm_or_si128(zero_idx[4], zero_idx[5]);
- zero_idx[11] = _mm_or_si128(zero_idx[6], zero_idx[7]);
- zero_idx[12] = _mm_or_si128(zero_idx[8], zero_idx[9]);
- zero_idx[13] = _mm_or_si128(zero_idx[10], zero_idx[11]);
- zero_idx[14] = _mm_or_si128(zero_idx[12], zero_idx[13]);
-
- if (_mm_movemask_epi8(_mm_cmpeq_epi32(zero_idx[14], zero)) == 0xFFFF) {
- col[i32 + 0] = _mm_setzero_si128();
- col[i32 + 1] = _mm_setzero_si128();
- col[i32 + 2] = _mm_setzero_si128();
- col[i32 + 3] = _mm_setzero_si128();
- col[i32 + 4] = _mm_setzero_si128();
- col[i32 + 5] = _mm_setzero_si128();
- col[i32 + 6] = _mm_setzero_si128();
- col[i32 + 7] = _mm_setzero_si128();
- col[i32 + 8] = _mm_setzero_si128();
- col[i32 + 9] = _mm_setzero_si128();
- col[i32 + 10] = _mm_setzero_si128();
- col[i32 + 11] = _mm_setzero_si128();
- col[i32 + 12] = _mm_setzero_si128();
- col[i32 + 13] = _mm_setzero_si128();
- col[i32 + 14] = _mm_setzero_si128();
- col[i32 + 15] = _mm_setzero_si128();
- col[i32 + 16] = _mm_setzero_si128();
- col[i32 + 17] = _mm_setzero_si128();
- col[i32 + 18] = _mm_setzero_si128();
- col[i32 + 19] = _mm_setzero_si128();
- col[i32 + 20] = _mm_setzero_si128();
- col[i32 + 21] = _mm_setzero_si128();
- col[i32 + 22] = _mm_setzero_si128();
- col[i32 + 23] = _mm_setzero_si128();
- col[i32 + 24] = _mm_setzero_si128();
- col[i32 + 25] = _mm_setzero_si128();
- col[i32 + 26] = _mm_setzero_si128();
- col[i32 + 27] = _mm_setzero_si128();
- col[i32 + 28] = _mm_setzero_si128();
- col[i32 + 29] = _mm_setzero_si128();
- col[i32 + 30] = _mm_setzero_si128();
- col[i32 + 31] = _mm_setzero_si128();
- continue;
- }
-
- // Transpose 32x8 block to 8x32 block
- array_transpose_8x8(in, in);
- array_transpose_8x8(in + 8, in + 8);
- array_transpose_8x8(in + 16, in + 16);
- array_transpose_8x8(in + 24, in + 24);
-
- IDCT32
-
- // 1_D: Store 32 intermediate results for each 8x32 block.
- col[i32 + 0] = _mm_add_epi16(stp1_0, stp1_31);
- col[i32 + 1] = _mm_add_epi16(stp1_1, stp1_30);
- col[i32 + 2] = _mm_add_epi16(stp1_2, stp1_29);
- col[i32 + 3] = _mm_add_epi16(stp1_3, stp1_28);
- col[i32 + 4] = _mm_add_epi16(stp1_4, stp1_27);
- col[i32 + 5] = _mm_add_epi16(stp1_5, stp1_26);
- col[i32 + 6] = _mm_add_epi16(stp1_6, stp1_25);
- col[i32 + 7] = _mm_add_epi16(stp1_7, stp1_24);
- col[i32 + 8] = _mm_add_epi16(stp1_8, stp1_23);
- col[i32 + 9] = _mm_add_epi16(stp1_9, stp1_22);
- col[i32 + 10] = _mm_add_epi16(stp1_10, stp1_21);
- col[i32 + 11] = _mm_add_epi16(stp1_11, stp1_20);
- col[i32 + 12] = _mm_add_epi16(stp1_12, stp1_19);
- col[i32 + 13] = _mm_add_epi16(stp1_13, stp1_18);
- col[i32 + 14] = _mm_add_epi16(stp1_14, stp1_17);
- col[i32 + 15] = _mm_add_epi16(stp1_15, stp1_16);
- col[i32 + 16] = _mm_sub_epi16(stp1_15, stp1_16);
- col[i32 + 17] = _mm_sub_epi16(stp1_14, stp1_17);
- col[i32 + 18] = _mm_sub_epi16(stp1_13, stp1_18);
- col[i32 + 19] = _mm_sub_epi16(stp1_12, stp1_19);
- col[i32 + 20] = _mm_sub_epi16(stp1_11, stp1_20);
- col[i32 + 21] = _mm_sub_epi16(stp1_10, stp1_21);
- col[i32 + 22] = _mm_sub_epi16(stp1_9, stp1_22);
- col[i32 + 23] = _mm_sub_epi16(stp1_8, stp1_23);
- col[i32 + 24] = _mm_sub_epi16(stp1_7, stp1_24);
- col[i32 + 25] = _mm_sub_epi16(stp1_6, stp1_25);
- col[i32 + 26] = _mm_sub_epi16(stp1_5, stp1_26);
- col[i32 + 27] = _mm_sub_epi16(stp1_4, stp1_27);
- col[i32 + 28] = _mm_sub_epi16(stp1_3, stp1_28);
- col[i32 + 29] = _mm_sub_epi16(stp1_2, stp1_29);
- col[i32 + 30] = _mm_sub_epi16(stp1_1, stp1_30);
- col[i32 + 31] = _mm_sub_epi16(stp1_0, stp1_31);
- }
- for (i = 0; i < 4; i++) {
- // Second 1-D idct
- j = i << 3;
-
- // Transpose 32x8 block to 8x32 block
- array_transpose_8x8(col + j, in);
- array_transpose_8x8(col + j + 32, in + 8);
- array_transpose_8x8(col + j + 64, in + 16);
- array_transpose_8x8(col + j + 96, in + 24);
-
- IDCT32
-
- // 2_D: Calculate the results and store them to destination.
- in[0] = _mm_add_epi16(stp1_0, stp1_31);
- in[1] = _mm_add_epi16(stp1_1, stp1_30);
- in[2] = _mm_add_epi16(stp1_2, stp1_29);
- in[3] = _mm_add_epi16(stp1_3, stp1_28);
- in[4] = _mm_add_epi16(stp1_4, stp1_27);
- in[5] = _mm_add_epi16(stp1_5, stp1_26);
- in[6] = _mm_add_epi16(stp1_6, stp1_25);
- in[7] = _mm_add_epi16(stp1_7, stp1_24);
- in[8] = _mm_add_epi16(stp1_8, stp1_23);
- in[9] = _mm_add_epi16(stp1_9, stp1_22);
- in[10] = _mm_add_epi16(stp1_10, stp1_21);
- in[11] = _mm_add_epi16(stp1_11, stp1_20);
- in[12] = _mm_add_epi16(stp1_12, stp1_19);
- in[13] = _mm_add_epi16(stp1_13, stp1_18);
- in[14] = _mm_add_epi16(stp1_14, stp1_17);
- in[15] = _mm_add_epi16(stp1_15, stp1_16);
- in[16] = _mm_sub_epi16(stp1_15, stp1_16);
- in[17] = _mm_sub_epi16(stp1_14, stp1_17);
- in[18] = _mm_sub_epi16(stp1_13, stp1_18);
- in[19] = _mm_sub_epi16(stp1_12, stp1_19);
- in[20] = _mm_sub_epi16(stp1_11, stp1_20);
- in[21] = _mm_sub_epi16(stp1_10, stp1_21);
- in[22] = _mm_sub_epi16(stp1_9, stp1_22);
- in[23] = _mm_sub_epi16(stp1_8, stp1_23);
- in[24] = _mm_sub_epi16(stp1_7, stp1_24);
- in[25] = _mm_sub_epi16(stp1_6, stp1_25);
- in[26] = _mm_sub_epi16(stp1_5, stp1_26);
- in[27] = _mm_sub_epi16(stp1_4, stp1_27);
- in[28] = _mm_sub_epi16(stp1_3, stp1_28);
- in[29] = _mm_sub_epi16(stp1_2, stp1_29);
- in[30] = _mm_sub_epi16(stp1_1, stp1_30);
- in[31] = _mm_sub_epi16(stp1_0, stp1_31);
-
- for (j = 0; j < 32; ++j) {
- // Final rounding and shift
- in[j] = _mm_adds_epi16(in[j], final_rounding);
- in[j] = _mm_srai_epi16(in[j], 6);
- RECON_AND_STORE(dest + j * stride, in[j]);
- }
-
- dest += 8;
- }
-}
-
-void vp9_idct32x32_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
- __m128i dc_value;
- const __m128i zero = _mm_setzero_si128();
- int a, i;
-
- a = dct_const_round_shift(input[0] * cospi_16_64);
- a = dct_const_round_shift(a * cospi_16_64);
- a = ROUND_POWER_OF_TWO(a, 6);
-
- dc_value = _mm_set1_epi16(a);
-
- for (i = 0; i < 4; ++i) {
- int j;
- for (j = 0; j < 32; ++j) {
- RECON_AND_STORE(dest + j * stride, dc_value);
- }
- dest += 8;
- }
-}
-
-#if CONFIG_VP9_HIGHBITDEPTH
-static INLINE __m128i clamp_high_sse2(__m128i value, int bd) {
- __m128i ubounded, retval;
- const __m128i zero = _mm_set1_epi16(0);
- const __m128i one = _mm_set1_epi16(1);
- const __m128i max = _mm_subs_epi16(_mm_slli_epi16(one, bd), one);
- ubounded = _mm_cmpgt_epi16(value, max);
- retval = _mm_andnot_si128(ubounded, value);
- ubounded = _mm_and_si128(ubounded, max);
- retval = _mm_or_si128(retval, ubounded);
- retval = _mm_and_si128(retval, _mm_cmpgt_epi16(retval, zero));
- return retval;
-}
-
-void vp9_highbd_idct4x4_16_add_sse2(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[4 * 4];
- tran_low_t *outptr = out;
- int i, j;
- __m128i inptr[4];
- __m128i sign_bits[2];
- __m128i temp_mm, min_input, max_input;
- int test;
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
- int optimised_cols = 0;
- const __m128i zero = _mm_set1_epi16(0);
- const __m128i eight = _mm_set1_epi16(8);
- const __m128i max = _mm_set1_epi16(12043);
- const __m128i min = _mm_set1_epi16(-12043);
- // Load input into __m128i
- inptr[0] = _mm_loadu_si128((const __m128i *)input);
- inptr[1] = _mm_loadu_si128((const __m128i *)(input + 4));
- inptr[2] = _mm_loadu_si128((const __m128i *)(input + 8));
- inptr[3] = _mm_loadu_si128((const __m128i *)(input + 12));
-
- // Pack to 16 bits
- inptr[0] = _mm_packs_epi32(inptr[0], inptr[1]);
- inptr[1] = _mm_packs_epi32(inptr[2], inptr[3]);
-
- max_input = _mm_max_epi16(inptr[0], inptr[1]);
- min_input = _mm_min_epi16(inptr[0], inptr[1]);
- max_input = _mm_cmpgt_epi16(max_input, max);
- min_input = _mm_cmplt_epi16(min_input, min);
- temp_mm = _mm_or_si128(max_input, min_input);
- test = _mm_movemask_epi8(temp_mm);
-
- if (!test) {
- // Do the row transform
- idct4_sse2(inptr);
-
- // Check the min & max values
- max_input = _mm_max_epi16(inptr[0], inptr[1]);
- min_input = _mm_min_epi16(inptr[0], inptr[1]);
- max_input = _mm_cmpgt_epi16(max_input, max);
- min_input = _mm_cmplt_epi16(min_input, min);
- temp_mm = _mm_or_si128(max_input, min_input);
- test = _mm_movemask_epi8(temp_mm);
-
- if (test) {
- transpose_4x4(inptr);
- sign_bits[0] = _mm_cmplt_epi16(inptr[0], zero);
- sign_bits[1] = _mm_cmplt_epi16(inptr[1], zero);
- inptr[3] = _mm_unpackhi_epi16(inptr[1], sign_bits[1]);
- inptr[2] = _mm_unpacklo_epi16(inptr[1], sign_bits[1]);
- inptr[1] = _mm_unpackhi_epi16(inptr[0], sign_bits[0]);
- inptr[0] = _mm_unpacklo_epi16(inptr[0], sign_bits[0]);
- _mm_storeu_si128((__m128i *)outptr, inptr[0]);
- _mm_storeu_si128((__m128i *)(outptr + 4), inptr[1]);
- _mm_storeu_si128((__m128i *)(outptr + 8), inptr[2]);
- _mm_storeu_si128((__m128i *)(outptr + 12), inptr[3]);
- } else {
- // Set to use the optimised transform for the column
- optimised_cols = 1;
- }
- } else {
- // Run the un-optimised row transform
- for (i = 0; i < 4; ++i) {
- vp9_highbd_idct4(input, outptr, bd);
- input += 4;
- outptr += 4;
- }
- }
-
- if (optimised_cols) {
- idct4_sse2(inptr);
-
- // Final round and shift
- inptr[0] = _mm_add_epi16(inptr[0], eight);
- inptr[1] = _mm_add_epi16(inptr[1], eight);
-
- inptr[0] = _mm_srai_epi16(inptr[0], 4);
- inptr[1] = _mm_srai_epi16(inptr[1], 4);
-
- // Reconstruction and Store
- {
- __m128i d0 = _mm_loadl_epi64((const __m128i *)dest);
- __m128i d2 = _mm_loadl_epi64((const __m128i *)(dest + stride * 2));
- d0 = _mm_unpacklo_epi64(
- d0, _mm_loadl_epi64((const __m128i *)(dest + stride)));
- d2 = _mm_unpacklo_epi64(
- d2, _mm_loadl_epi64((const __m128i *)(dest + stride * 3)));
- d0 = clamp_high_sse2(_mm_adds_epi16(d0, inptr[0]), bd);
- d2 = clamp_high_sse2(_mm_adds_epi16(d2, inptr[1]), bd);
- // store input0
- _mm_storel_epi64((__m128i *)dest, d0);
- // store input1
- d0 = _mm_srli_si128(d0, 8);
- _mm_storel_epi64((__m128i *)(dest + stride), d0);
- // store input2
- _mm_storel_epi64((__m128i *)(dest + stride * 2), d2);
- // store input3
- d2 = _mm_srli_si128(d2, 8);
- _mm_storel_epi64((__m128i *)(dest + stride * 3), d2);
- }
- } else {
- // Run the un-optimised column transform
- tran_low_t temp_in[4], temp_out[4];
- // Columns
- for (i = 0; i < 4; ++i) {
- for (j = 0; j < 4; ++j)
- temp_in[j] = out[j * 4 + i];
- vp9_highbd_idct4(temp_in, temp_out, bd);
- for (j = 0; j < 4; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 4), bd);
- }
- }
- }
-}
-
-void vp9_highbd_idct8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[8 * 8];
- tran_low_t *outptr = out;
- int i, j, test;
- __m128i inptr[8];
- __m128i min_input, max_input, temp1, temp2, sign_bits;
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
- const __m128i zero = _mm_set1_epi16(0);
- const __m128i sixteen = _mm_set1_epi16(16);
- const __m128i max = _mm_set1_epi16(6201);
- const __m128i min = _mm_set1_epi16(-6201);
- int optimised_cols = 0;
-
- // Load input into __m128i & pack to 16 bits
- for (i = 0; i < 8; i++) {
- temp1 = _mm_loadu_si128((const __m128i *)(input + 8 * i));
- temp2 = _mm_loadu_si128((const __m128i *)(input + 8 * i + 4));
- inptr[i] = _mm_packs_epi32(temp1, temp2);
- }
-
- // Find the min & max for the row transform
- max_input = _mm_max_epi16(inptr[0], inptr[1]);
- min_input = _mm_min_epi16(inptr[0], inptr[1]);
- for (i = 2; i < 8; i++) {
- max_input = _mm_max_epi16(max_input, inptr[i]);
- min_input = _mm_min_epi16(min_input, inptr[i]);
- }
- max_input = _mm_cmpgt_epi16(max_input, max);
- min_input = _mm_cmplt_epi16(min_input, min);
- temp1 = _mm_or_si128(max_input, min_input);
- test = _mm_movemask_epi8(temp1);
-
- if (!test) {
- // Do the row transform
- idct8_sse2(inptr);
-
- // Find the min & max for the column transform
- max_input = _mm_max_epi16(inptr[0], inptr[1]);
- min_input = _mm_min_epi16(inptr[0], inptr[1]);
- for (i = 2; i < 8; i++) {
- max_input = _mm_max_epi16(max_input, inptr[i]);
- min_input = _mm_min_epi16(min_input, inptr[i]);
- }
- max_input = _mm_cmpgt_epi16(max_input, max);
- min_input = _mm_cmplt_epi16(min_input, min);
- temp1 = _mm_or_si128(max_input, min_input);
- test = _mm_movemask_epi8(temp1);
-
- if (test) {
- array_transpose_8x8(inptr, inptr);
- for (i = 0; i < 8; i++) {
- sign_bits = _mm_cmplt_epi16(inptr[i], zero);
- temp1 = _mm_unpackhi_epi16(inptr[i], sign_bits);
- temp2 = _mm_unpacklo_epi16(inptr[i], sign_bits);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i + 1)), temp1);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i)), temp2);
- }
- } else {
- // Set to use the optimised transform for the column
- optimised_cols = 1;
- }
- } else {
- // Run the un-optimised row transform
- for (i = 0; i < 8; ++i) {
- vp9_highbd_idct8(input, outptr, bd);
- input += 8;
- outptr += 8;
- }
- }
-
- if (optimised_cols) {
- idct8_sse2(inptr);
-
- // Final round & shift and Reconstruction and Store
- {
- __m128i d[8];
- for (i = 0; i < 8; i++) {
- inptr[i] = _mm_add_epi16(inptr[i], sixteen);
- d[i] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
- inptr[i] = _mm_srai_epi16(inptr[i], 5);
- d[i] = clamp_high_sse2(_mm_adds_epi16(d[i], inptr[i]), bd);
- // Store
- _mm_storeu_si128((__m128i *)(dest + stride*i), d[i]);
- }
- }
- } else {
- // Run the un-optimised column transform
- tran_low_t temp_in[8], temp_out[8];
- for (i = 0; i < 8; ++i) {
- for (j = 0; j < 8; ++j)
- temp_in[j] = out[j * 8 + i];
- vp9_highbd_idct8(temp_in, temp_out, bd);
- for (j = 0; j < 8; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
- }
- }
- }
-}
-
-void vp9_highbd_idct8x8_10_add_sse2(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[8 * 8] = { 0 };
- tran_low_t *outptr = out;
- int i, j, test;
- __m128i inptr[8];
- __m128i min_input, max_input, temp1, temp2, sign_bits;
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
- const __m128i zero = _mm_set1_epi16(0);
- const __m128i sixteen = _mm_set1_epi16(16);
- const __m128i max = _mm_set1_epi16(6201);
- const __m128i min = _mm_set1_epi16(-6201);
- int optimised_cols = 0;
-
- // Load input into __m128i & pack to 16 bits
- for (i = 0; i < 8; i++) {
- temp1 = _mm_loadu_si128((const __m128i *)(input + 8 * i));
- temp2 = _mm_loadu_si128((const __m128i *)(input + 8 * i + 4));
- inptr[i] = _mm_packs_epi32(temp1, temp2);
- }
-
- // Find the min & max for the row transform
- // only first 4 row has non-zero coefs
- max_input = _mm_max_epi16(inptr[0], inptr[1]);
- min_input = _mm_min_epi16(inptr[0], inptr[1]);
- for (i = 2; i < 4; i++) {
- max_input = _mm_max_epi16(max_input, inptr[i]);
- min_input = _mm_min_epi16(min_input, inptr[i]);
- }
- max_input = _mm_cmpgt_epi16(max_input, max);
- min_input = _mm_cmplt_epi16(min_input, min);
- temp1 = _mm_or_si128(max_input, min_input);
- test = _mm_movemask_epi8(temp1);
-
- if (!test) {
- // Do the row transform
- idct8_sse2(inptr);
-
- // Find the min & max for the column transform
- // N.B. Only first 4 cols contain non-zero coeffs
- max_input = _mm_max_epi16(inptr[0], inptr[1]);
- min_input = _mm_min_epi16(inptr[0], inptr[1]);
- for (i = 2; i < 8; i++) {
- max_input = _mm_max_epi16(max_input, inptr[i]);
- min_input = _mm_min_epi16(min_input, inptr[i]);
- }
- max_input = _mm_cmpgt_epi16(max_input, max);
- min_input = _mm_cmplt_epi16(min_input, min);
- temp1 = _mm_or_si128(max_input, min_input);
- test = _mm_movemask_epi8(temp1);
-
- if (test) {
- // Use fact only first 4 rows contain non-zero coeffs
- array_transpose_4X8(inptr, inptr);
- for (i = 0; i < 4; i++) {
- sign_bits = _mm_cmplt_epi16(inptr[i], zero);
- temp1 = _mm_unpackhi_epi16(inptr[i], sign_bits);
- temp2 = _mm_unpacklo_epi16(inptr[i], sign_bits);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i + 1)), temp1);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i)), temp2);
- }
- } else {
- // Set to use the optimised transform for the column
- optimised_cols = 1;
- }
- } else {
- // Run the un-optimised row transform
- for (i = 0; i < 4; ++i) {
- vp9_highbd_idct8(input, outptr, bd);
- input += 8;
- outptr += 8;
- }
- }
-
- if (optimised_cols) {
- idct8_sse2(inptr);
-
- // Final round & shift and Reconstruction and Store
- {
- __m128i d[8];
- for (i = 0; i < 8; i++) {
- inptr[i] = _mm_add_epi16(inptr[i], sixteen);
- d[i] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
- inptr[i] = _mm_srai_epi16(inptr[i], 5);
- d[i] = clamp_high_sse2(_mm_adds_epi16(d[i], inptr[i]), bd);
- // Store
- _mm_storeu_si128((__m128i *)(dest + stride*i), d[i]);
- }
- }
- } else {
- // Run the un-optimised column transform
- tran_low_t temp_in[8], temp_out[8];
- for (i = 0; i < 8; ++i) {
- for (j = 0; j < 8; ++j)
- temp_in[j] = out[j * 8 + i];
- vp9_highbd_idct8(temp_in, temp_out, bd);
- for (j = 0; j < 8; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
- }
- }
- }
-}
-
-void vp9_highbd_idct16x16_256_add_sse2(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[16 * 16];
- tran_low_t *outptr = out;
- int i, j, test;
- __m128i inptr[32];
- __m128i min_input, max_input, temp1, temp2, sign_bits;
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
- const __m128i zero = _mm_set1_epi16(0);
- const __m128i rounding = _mm_set1_epi16(32);
- const __m128i max = _mm_set1_epi16(3155);
- const __m128i min = _mm_set1_epi16(-3155);
- int optimised_cols = 0;
-
- // Load input into __m128i & pack to 16 bits
- for (i = 0; i < 16; i++) {
- temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i));
- temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 4));
- inptr[i] = _mm_packs_epi32(temp1, temp2);
- temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 8));
- temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 12));
- inptr[i + 16] = _mm_packs_epi32(temp1, temp2);
- }
-
- // Find the min & max for the row transform
- max_input = _mm_max_epi16(inptr[0], inptr[1]);
- min_input = _mm_min_epi16(inptr[0], inptr[1]);
- for (i = 2; i < 32; i++) {
- max_input = _mm_max_epi16(max_input, inptr[i]);
- min_input = _mm_min_epi16(min_input, inptr[i]);
- }
- max_input = _mm_cmpgt_epi16(max_input, max);
- min_input = _mm_cmplt_epi16(min_input, min);
- temp1 = _mm_or_si128(max_input, min_input);
- test = _mm_movemask_epi8(temp1);
-
- if (!test) {
- // Do the row transform
- idct16_sse2(inptr, inptr + 16);
-
- // Find the min & max for the column transform
- max_input = _mm_max_epi16(inptr[0], inptr[1]);
- min_input = _mm_min_epi16(inptr[0], inptr[1]);
- for (i = 2; i < 32; i++) {
- max_input = _mm_max_epi16(max_input, inptr[i]);
- min_input = _mm_min_epi16(min_input, inptr[i]);
- }
- max_input = _mm_cmpgt_epi16(max_input, max);
- min_input = _mm_cmplt_epi16(min_input, min);
- temp1 = _mm_or_si128(max_input, min_input);
- test = _mm_movemask_epi8(temp1);
-
- if (test) {
- array_transpose_16x16(inptr, inptr + 16);
- for (i = 0; i < 16; i++) {
- sign_bits = _mm_cmplt_epi16(inptr[i], zero);
- temp1 = _mm_unpacklo_epi16(inptr[i], sign_bits);
- temp2 = _mm_unpackhi_epi16(inptr[i], sign_bits);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4)), temp1);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 1)), temp2);
- sign_bits = _mm_cmplt_epi16(inptr[i + 16], zero);
- temp1 = _mm_unpacklo_epi16(inptr[i + 16], sign_bits);
- temp2 = _mm_unpackhi_epi16(inptr[i + 16], sign_bits);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 2)), temp1);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 3)), temp2);
- }
- } else {
- // Set to use the optimised transform for the column
- optimised_cols = 1;
- }
- } else {
- // Run the un-optimised row transform
- for (i = 0; i < 16; ++i) {
- vp9_highbd_idct16(input, outptr, bd);
- input += 16;
- outptr += 16;
- }
- }
-
- if (optimised_cols) {
- idct16_sse2(inptr, inptr + 16);
-
- // Final round & shift and Reconstruction and Store
- {
- __m128i d[2];
- for (i = 0; i < 16; i++) {
- inptr[i ] = _mm_add_epi16(inptr[i ], rounding);
- inptr[i+16] = _mm_add_epi16(inptr[i+16], rounding);
- d[0] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
- d[1] = _mm_loadu_si128((const __m128i *)(dest + stride*i + 8));
- inptr[i ] = _mm_srai_epi16(inptr[i ], 6);
- inptr[i+16] = _mm_srai_epi16(inptr[i+16], 6);
- d[0] = clamp_high_sse2(_mm_add_epi16(d[0], inptr[i ]), bd);
- d[1] = clamp_high_sse2(_mm_add_epi16(d[1], inptr[i+16]), bd);
- // Store
- _mm_storeu_si128((__m128i *)(dest + stride*i), d[0]);
- _mm_storeu_si128((__m128i *)(dest + stride*i + 8), d[1]);
- }
- }
- } else {
- // Run the un-optimised column transform
- tran_low_t temp_in[16], temp_out[16];
- for (i = 0; i < 16; ++i) {
- for (j = 0; j < 16; ++j)
- temp_in[j] = out[j * 16 + i];
- vp9_highbd_idct16(temp_in, temp_out, bd);
- for (j = 0; j < 16; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
- }
- }
- }
-}
-
-void vp9_highbd_idct16x16_10_add_sse2(const tran_low_t *input, uint8_t *dest8,
- int stride, int bd) {
- tran_low_t out[16 * 16] = { 0 };
- tran_low_t *outptr = out;
- int i, j, test;
- __m128i inptr[32];
- __m128i min_input, max_input, temp1, temp2, sign_bits;
- uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
- const __m128i zero = _mm_set1_epi16(0);
- const __m128i rounding = _mm_set1_epi16(32);
- const __m128i max = _mm_set1_epi16(3155);
- const __m128i min = _mm_set1_epi16(-3155);
- int optimised_cols = 0;
-
- // Load input into __m128i & pack to 16 bits
- for (i = 0; i < 16; i++) {
- temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i));
- temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 4));
- inptr[i] = _mm_packs_epi32(temp1, temp2);
- temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 8));
- temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 12));
- inptr[i + 16] = _mm_packs_epi32(temp1, temp2);
- }
-
- // Find the min & max for the row transform
- // Since all non-zero dct coefficients are in upper-left 4x4 area,
- // we only need to consider first 4 rows here.
- max_input = _mm_max_epi16(inptr[0], inptr[1]);
- min_input = _mm_min_epi16(inptr[0], inptr[1]);
- for (i = 2; i < 4; i++) {
- max_input = _mm_max_epi16(max_input, inptr[i]);
- min_input = _mm_min_epi16(min_input, inptr[i]);
- }
- max_input = _mm_cmpgt_epi16(max_input, max);
- min_input = _mm_cmplt_epi16(min_input, min);
- temp1 = _mm_or_si128(max_input, min_input);
- test = _mm_movemask_epi8(temp1);
-
- if (!test) {
- // Do the row transform (N.B. This transposes inptr)
- idct16_sse2(inptr, inptr + 16);
-
- // Find the min & max for the column transform
- // N.B. Only first 4 cols contain non-zero coeffs
- max_input = _mm_max_epi16(inptr[0], inptr[1]);
- min_input = _mm_min_epi16(inptr[0], inptr[1]);
- for (i = 2; i < 16; i++) {
- max_input = _mm_max_epi16(max_input, inptr[i]);
- min_input = _mm_min_epi16(min_input, inptr[i]);
- }
- max_input = _mm_cmpgt_epi16(max_input, max);
- min_input = _mm_cmplt_epi16(min_input, min);
- temp1 = _mm_or_si128(max_input, min_input);
- test = _mm_movemask_epi8(temp1);
-
- if (test) {
- // Use fact only first 4 rows contain non-zero coeffs
- array_transpose_8x8(inptr, inptr);
- array_transpose_8x8(inptr + 8, inptr + 16);
- for (i = 0; i < 4; i++) {
- sign_bits = _mm_cmplt_epi16(inptr[i], zero);
- temp1 = _mm_unpacklo_epi16(inptr[i], sign_bits);
- temp2 = _mm_unpackhi_epi16(inptr[i], sign_bits);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4)), temp1);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 1)), temp2);
- sign_bits = _mm_cmplt_epi16(inptr[i + 16], zero);
- temp1 = _mm_unpacklo_epi16(inptr[i + 16], sign_bits);
- temp2 = _mm_unpackhi_epi16(inptr[i + 16], sign_bits);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 2)), temp1);
- _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 3)), temp2);
- }
- } else {
- // Set to use the optimised transform for the column
- optimised_cols = 1;
- }
- } else {
- // Run the un-optimised row transform
- for (i = 0; i < 4; ++i) {
- vp9_highbd_idct16(input, outptr, bd);
- input += 16;
- outptr += 16;
- }
- }
-
- if (optimised_cols) {
- idct16_sse2(inptr, inptr + 16);
-
- // Final round & shift and Reconstruction and Store
- {
- __m128i d[2];
- for (i = 0; i < 16; i++) {
- inptr[i ] = _mm_add_epi16(inptr[i ], rounding);
- inptr[i+16] = _mm_add_epi16(inptr[i+16], rounding);
- d[0] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
- d[1] = _mm_loadu_si128((const __m128i *)(dest + stride*i + 8));
- inptr[i ] = _mm_srai_epi16(inptr[i ], 6);
- inptr[i+16] = _mm_srai_epi16(inptr[i+16], 6);
- d[0] = clamp_high_sse2(_mm_add_epi16(d[0], inptr[i ]), bd);
- d[1] = clamp_high_sse2(_mm_add_epi16(d[1], inptr[i+16]), bd);
- // Store
- _mm_storeu_si128((__m128i *)(dest + stride*i), d[0]);
- _mm_storeu_si128((__m128i *)(dest + stride*i + 8), d[1]);
- }
- }
- } else {
- // Run the un-optimised column transform
- tran_low_t temp_in[16], temp_out[16];
- for (i = 0; i < 16; ++i) {
- for (j = 0; j < 16; ++j)
- temp_in[j] = out[j * 16 + i];
- vp9_highbd_idct16(temp_in, temp_out, bd);
- for (j = 0; j < 16; ++j) {
- dest[j * stride + i] = highbd_clip_pixel_add(
- dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
- }
- }
- }
-}
-
-#endif // CONFIG_VP9_HIGHBITDEPTH
diff --git a/vp9/encoder/x86/vp9_dct_ssse3.c b/vp9/encoder/x86/vp9_dct_ssse3.c
index 0e7d2a1..b09eac0 100644
--- a/vp9/encoder/x86/vp9_dct_ssse3.c
+++ b/vp9/encoder/x86/vp9_dct_ssse3.c
@@ -17,7 +17,7 @@
#include <tmmintrin.h> // SSSE3
#include "./vp9_rtcd.h"
-#include "vp9/common/x86/vp9_idct_intrin_sse2.h"
+#include "vpx_dsp/x86/inv_txfm_sse2.h"
#include "vpx_dsp/x86/txfm_common_sse2.h"
void vp9_fdct8x8_quant_ssse3(const int16_t *input, int stride,
diff --git a/vp9/vp9_common.mk b/vp9/vp9_common.mk
index cc201bc..159eea5 100644
--- a/vp9/vp9_common.mk
+++ b/vp9/vp9_common.mk
@@ -66,7 +66,6 @@
VP9_COMMON_SRCS-$(CONFIG_VP9_POSTPROC) += common/vp9_postproc.c
VP9_COMMON_SRCS-$(CONFIG_VP9_POSTPROC) += common/vp9_mfqe.h
VP9_COMMON_SRCS-$(CONFIG_VP9_POSTPROC) += common/vp9_mfqe.c
-VP9_COMMON_SRCS-$(HAVE_SSE2) += common/x86/vp9_idct_sse2.asm
ifeq ($(CONFIG_VP9_POSTPROC),yes)
VP9_COMMON_SRCS-$(HAVE_SSE2) += common/x86/vp9_mfqe_sse2.asm
VP9_COMMON_SRCS-$(HAVE_SSE2) += common/x86/vp9_postproc_sse2.asm
@@ -96,13 +95,6 @@
endif
VP9_COMMON_SRCS-$(HAVE_SSE2) += common/x86/vp9_idct_intrin_sse2.c
-VP9_COMMON_SRCS-$(HAVE_SSE2) += common/x86/vp9_idct_intrin_sse2.h
-
-ifeq ($(ARCH_X86_64), yes)
-ifeq ($(CONFIG_USE_X86INC),yes)
-VP9_COMMON_SRCS-$(HAVE_SSSE3) += common/x86/vp9_idct_ssse3_x86_64.asm
-endif
-endif
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_save_reg_neon$(ASM)
@@ -111,30 +103,4 @@
VP9_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/vp9_iht8x8_add_neon.c
endif
-# neon with assembly and intrinsics implementations. If both are available
-# prefer assembly.
-ifeq ($(HAVE_NEON_ASM), yes)
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct16x16_1_add_neon_asm$(ASM)
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct16x16_add_neon_asm$(ASM)
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct16x16_neon.c
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct32x32_1_add_neon_asm$(ASM)
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct32x32_add_neon_asm$(ASM)
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct4x4_1_add_neon_asm$(ASM)
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct4x4_add_neon_asm$(ASM)
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct8x8_1_add_neon_asm$(ASM)
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct8x8_add_neon_asm$(ASM)
-else
-ifeq ($(HAVE_NEON), yes)
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct16x16_1_add_neon.c
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct16x16_add_neon.c
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct16x16_neon.c
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct32x32_1_add_neon.c
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct32x32_add_neon.c
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct4x4_1_add_neon.c
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct4x4_add_neon.c
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct8x8_1_add_neon.c
-VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct8x8_add_neon.c
-endif # HAVE_NEON
-endif # HAVE_NEON_ASM
-
$(eval $(call rtcd_h_template,vp9_rtcd,vp9/common/vp9_rtcd_defs.pl))
diff --git a/vp9/common/arm/neon/vp9_idct16x16_1_add_neon_asm.asm b/vpx_dsp/arm/idct16x16_1_add_neon.asm
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct16x16_1_add_neon_asm.asm
rename to vpx_dsp/arm/idct16x16_1_add_neon.asm
diff --git a/vp9/common/arm/neon/vp9_idct16x16_1_add_neon.c b/vpx_dsp/arm/idct16x16_1_add_neon.c
similarity index 98%
rename from vp9/common/arm/neon/vp9_idct16x16_1_add_neon.c
rename to vpx_dsp/arm/idct16x16_1_add_neon.c
index 9b14be1..aa035e7 100644
--- a/vp9/common/arm/neon/vp9_idct16x16_1_add_neon.c
+++ b/vpx_dsp/arm/idct16x16_1_add_neon.c
@@ -10,7 +10,7 @@
#include <arm_neon.h>
-#include "vp9/common/vp9_idct.h"
+#include "vpx_dsp/inv_txfm.h"
#include "vpx_ports/mem.h"
void vp9_idct16x16_1_add_neon(
diff --git a/vp9/common/arm/neon/vp9_idct16x16_add_neon_asm.asm b/vpx_dsp/arm/idct16x16_add_neon.asm
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct16x16_add_neon_asm.asm
rename to vpx_dsp/arm/idct16x16_add_neon.asm
diff --git a/vp9/common/arm/neon/vp9_idct16x16_add_neon.c b/vpx_dsp/arm/idct16x16_add_neon.c
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct16x16_add_neon.c
rename to vpx_dsp/arm/idct16x16_add_neon.c
diff --git a/vp9/common/arm/neon/vp9_idct16x16_neon.c b/vpx_dsp/arm/idct16x16_neon.c
similarity index 99%
rename from vp9/common/arm/neon/vp9_idct16x16_neon.c
rename to vpx_dsp/arm/idct16x16_neon.c
index f2c4ec4..ac9f348 100644
--- a/vp9/common/arm/neon/vp9_idct16x16_neon.c
+++ b/vpx_dsp/arm/idct16x16_neon.c
@@ -8,7 +8,6 @@
* be found in the AUTHORS file in the root of the source tree.
*/
-#include "./vp9_rtcd.h"
#include "vp9/common/vp9_common.h"
void vp9_idct16x16_256_add_neon_pass1(const int16_t *input,
diff --git a/vp9/common/arm/neon/vp9_idct32x32_1_add_neon_asm.asm b/vpx_dsp/arm/idct32x32_1_add_neon.asm
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct32x32_1_add_neon_asm.asm
rename to vpx_dsp/arm/idct32x32_1_add_neon.asm
diff --git a/vp9/common/arm/neon/vp9_idct32x32_1_add_neon.c b/vpx_dsp/arm/idct32x32_1_add_neon.c
similarity index 98%
rename from vp9/common/arm/neon/vp9_idct32x32_1_add_neon.c
rename to vpx_dsp/arm/idct32x32_1_add_neon.c
index 702efa7..e9c9c30 100644
--- a/vp9/common/arm/neon/vp9_idct32x32_1_add_neon.c
+++ b/vpx_dsp/arm/idct32x32_1_add_neon.c
@@ -12,7 +12,7 @@
#include "./vpx_config.h"
-#include "vp9/common/vp9_idct.h"
+#include "vpx_dsp/inv_txfm.h"
#include "vpx_ports/mem.h"
static INLINE void LD_16x8(
diff --git a/vp9/common/arm/neon/vp9_idct32x32_add_neon_asm.asm b/vpx_dsp/arm/idct32x32_add_neon.asm
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct32x32_add_neon_asm.asm
rename to vpx_dsp/arm/idct32x32_add_neon.asm
diff --git a/vp9/common/arm/neon/vp9_idct32x32_add_neon.c b/vpx_dsp/arm/idct32x32_add_neon.c
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct32x32_add_neon.c
rename to vpx_dsp/arm/idct32x32_add_neon.c
diff --git a/vp9/common/arm/neon/vp9_idct4x4_1_add_neon_asm.asm b/vpx_dsp/arm/idct4x4_1_add_neon.asm
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct4x4_1_add_neon_asm.asm
rename to vpx_dsp/arm/idct4x4_1_add_neon.asm
diff --git a/vp9/common/arm/neon/vp9_idct4x4_1_add_neon.c b/vpx_dsp/arm/idct4x4_1_add_neon.c
similarity index 97%
rename from vp9/common/arm/neon/vp9_idct4x4_1_add_neon.c
rename to vpx_dsp/arm/idct4x4_1_add_neon.c
index 0ff22d5..75e14cc 100644
--- a/vp9/common/arm/neon/vp9_idct4x4_1_add_neon.c
+++ b/vpx_dsp/arm/idct4x4_1_add_neon.c
@@ -10,7 +10,7 @@
#include <arm_neon.h>
-#include "vp9/common/vp9_idct.h"
+#include "vpx_dsp/inv_txfm.h"
#include "vpx_ports/mem.h"
void vp9_idct4x4_1_add_neon(
diff --git a/vp9/common/arm/neon/vp9_idct4x4_add_neon_asm.asm b/vpx_dsp/arm/idct4x4_add_neon.asm
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct4x4_add_neon_asm.asm
rename to vpx_dsp/arm/idct4x4_add_neon.asm
diff --git a/vp9/common/arm/neon/vp9_idct4x4_add_neon.c b/vpx_dsp/arm/idct4x4_add_neon.c
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct4x4_add_neon.c
rename to vpx_dsp/arm/idct4x4_add_neon.c
diff --git a/vp9/common/arm/neon/vp9_idct8x8_1_add_neon_asm.asm b/vpx_dsp/arm/idct8x8_1_add_neon.asm
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct8x8_1_add_neon_asm.asm
rename to vpx_dsp/arm/idct8x8_1_add_neon.asm
diff --git a/vp9/common/arm/neon/vp9_idct8x8_1_add_neon.c b/vpx_dsp/arm/idct8x8_1_add_neon.c
similarity index 97%
rename from vp9/common/arm/neon/vp9_idct8x8_1_add_neon.c
rename to vpx_dsp/arm/idct8x8_1_add_neon.c
index 4178d34..10e8e93 100644
--- a/vp9/common/arm/neon/vp9_idct8x8_1_add_neon.c
+++ b/vpx_dsp/arm/idct8x8_1_add_neon.c
@@ -10,7 +10,7 @@
#include <arm_neon.h>
-#include "vp9/common/vp9_idct.h"
+#include "vpx_dsp/inv_txfm.h"
#include "vpx_ports/mem.h"
void vp9_idct8x8_1_add_neon(
diff --git a/vp9/common/arm/neon/vp9_idct8x8_add_neon_asm.asm b/vpx_dsp/arm/idct8x8_add_neon.asm
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct8x8_add_neon_asm.asm
rename to vpx_dsp/arm/idct8x8_add_neon.asm
diff --git a/vp9/common/arm/neon/vp9_idct8x8_add_neon.c b/vpx_dsp/arm/idct8x8_add_neon.c
similarity index 100%
rename from vp9/common/arm/neon/vp9_idct8x8_add_neon.c
rename to vpx_dsp/arm/idct8x8_add_neon.c
diff --git a/vpx_dsp/inv_txfm.c b/vpx_dsp/inv_txfm.c
new file mode 100644
index 0000000..6babf54
--- /dev/null
+++ b/vpx_dsp/inv_txfm.c
@@ -0,0 +1,2476 @@
+/*
+ * Copyright (c) 2015 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <math.h>
+#include <string.h>
+
+#include "vpx_dsp/inv_txfm.h"
+
+void vp9_iwht4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
+/* 4-point reversible, orthonormal inverse Walsh-Hadamard in 3.5 adds,
+ 0.5 shifts per pixel. */
+ int i;
+ tran_low_t output[16];
+ tran_high_t a1, b1, c1, d1, e1;
+ const tran_low_t *ip = input;
+ tran_low_t *op = output;
+
+ for (i = 0; i < 4; i++) {
+ a1 = ip[0] >> UNIT_QUANT_SHIFT;
+ c1 = ip[1] >> UNIT_QUANT_SHIFT;
+ d1 = ip[2] >> UNIT_QUANT_SHIFT;
+ b1 = ip[3] >> UNIT_QUANT_SHIFT;
+ a1 += c1;
+ d1 -= b1;
+ e1 = (a1 - d1) >> 1;
+ b1 = e1 - b1;
+ c1 = e1 - c1;
+ a1 -= b1;
+ d1 += c1;
+ op[0] = WRAPLOW(a1, 8);
+ op[1] = WRAPLOW(b1, 8);
+ op[2] = WRAPLOW(c1, 8);
+ op[3] = WRAPLOW(d1, 8);
+ ip += 4;
+ op += 4;
+ }
+
+ ip = output;
+ for (i = 0; i < 4; i++) {
+ a1 = ip[4 * 0];
+ c1 = ip[4 * 1];
+ d1 = ip[4 * 2];
+ b1 = ip[4 * 3];
+ a1 += c1;
+ d1 -= b1;
+ e1 = (a1 - d1) >> 1;
+ b1 = e1 - b1;
+ c1 = e1 - c1;
+ a1 -= b1;
+ d1 += c1;
+ dest[stride * 0] = clip_pixel_add(dest[stride * 0], a1);
+ dest[stride * 1] = clip_pixel_add(dest[stride * 1], b1);
+ dest[stride * 2] = clip_pixel_add(dest[stride * 2], c1);
+ dest[stride * 3] = clip_pixel_add(dest[stride * 3], d1);
+
+ ip++;
+ dest++;
+ }
+}
+
+void vp9_iwht4x4_1_add_c(const tran_low_t *in, uint8_t *dest, int dest_stride) {
+ int i;
+ tran_high_t a1, e1;
+ tran_low_t tmp[4];
+ const tran_low_t *ip = in;
+ tran_low_t *op = tmp;
+
+ a1 = ip[0] >> UNIT_QUANT_SHIFT;
+ e1 = a1 >> 1;
+ a1 -= e1;
+ op[0] = WRAPLOW(a1, 8);
+ op[1] = op[2] = op[3] = WRAPLOW(e1, 8);
+
+ ip = tmp;
+ for (i = 0; i < 4; i++) {
+ e1 = ip[0] >> 1;
+ a1 = ip[0] - e1;
+ dest[dest_stride * 0] = clip_pixel_add(dest[dest_stride * 0], a1);
+ dest[dest_stride * 1] = clip_pixel_add(dest[dest_stride * 1], e1);
+ dest[dest_stride * 2] = clip_pixel_add(dest[dest_stride * 2], e1);
+ dest[dest_stride * 3] = clip_pixel_add(dest[dest_stride * 3], e1);
+ ip++;
+ dest++;
+ }
+}
+
+void idct4_c(const tran_low_t *input, tran_low_t *output) {
+ tran_low_t step[4];
+ tran_high_t temp1, temp2;
+ // stage 1
+ temp1 = (input[0] + input[2]) * cospi_16_64;
+ temp2 = (input[0] - input[2]) * cospi_16_64;
+ step[0] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step[1] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = input[1] * cospi_24_64 - input[3] * cospi_8_64;
+ temp2 = input[1] * cospi_8_64 + input[3] * cospi_24_64;
+ step[2] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step[3] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ // stage 2
+ output[0] = WRAPLOW(step[0] + step[3], 8);
+ output[1] = WRAPLOW(step[1] + step[2], 8);
+ output[2] = WRAPLOW(step[1] - step[2], 8);
+ output[3] = WRAPLOW(step[0] - step[3], 8);
+}
+
+void vp9_idct4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
+ tran_low_t out[4 * 4];
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[4], temp_out[4];
+
+ // Rows
+ for (i = 0; i < 4; ++i) {
+ idct4_c(input, outptr);
+ input += 4;
+ outptr += 4;
+ }
+
+ // Columns
+ for (i = 0; i < 4; ++i) {
+ for (j = 0; j < 4; ++j)
+ temp_in[j] = out[j * 4 + i];
+ idct4_c(temp_in, temp_out);
+ for (j = 0; j < 4; ++j) {
+ dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
+ ROUND_POWER_OF_TWO(temp_out[j], 4));
+ }
+ }
+}
+
+void vp9_idct4x4_1_add_c(const tran_low_t *input, uint8_t *dest,
+ int dest_stride) {
+ int i;
+ tran_high_t a1;
+ tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8);
+ out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8);
+ a1 = ROUND_POWER_OF_TWO(out, 4);
+
+ for (i = 0; i < 4; i++) {
+ dest[0] = clip_pixel_add(dest[0], a1);
+ dest[1] = clip_pixel_add(dest[1], a1);
+ dest[2] = clip_pixel_add(dest[2], a1);
+ dest[3] = clip_pixel_add(dest[3], a1);
+ dest += dest_stride;
+ }
+}
+
+void idct8_c(const tran_low_t *input, tran_low_t *output) {
+ tran_low_t step1[8], step2[8];
+ tran_high_t temp1, temp2;
+ // stage 1
+ step1[0] = input[0];
+ step1[2] = input[4];
+ step1[1] = input[2];
+ step1[3] = input[6];
+ temp1 = input[1] * cospi_28_64 - input[7] * cospi_4_64;
+ temp2 = input[1] * cospi_4_64 + input[7] * cospi_28_64;
+ step1[4] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[7] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = input[5] * cospi_12_64 - input[3] * cospi_20_64;
+ temp2 = input[5] * cospi_20_64 + input[3] * cospi_12_64;
+ step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ // stage 2 & stage 3 - even half
+ idct4_c(step1, step1);
+
+ // stage 2 - odd half
+ step2[4] = WRAPLOW(step1[4] + step1[5], 8);
+ step2[5] = WRAPLOW(step1[4] - step1[5], 8);
+ step2[6] = WRAPLOW(-step1[6] + step1[7], 8);
+ step2[7] = WRAPLOW(step1[6] + step1[7], 8);
+
+ // stage 3 -odd half
+ step1[4] = step2[4];
+ temp1 = (step2[6] - step2[5]) * cospi_16_64;
+ temp2 = (step2[5] + step2[6]) * cospi_16_64;
+ step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step1[7] = step2[7];
+
+ // stage 4
+ output[0] = WRAPLOW(step1[0] + step1[7], 8);
+ output[1] = WRAPLOW(step1[1] + step1[6], 8);
+ output[2] = WRAPLOW(step1[2] + step1[5], 8);
+ output[3] = WRAPLOW(step1[3] + step1[4], 8);
+ output[4] = WRAPLOW(step1[3] - step1[4], 8);
+ output[5] = WRAPLOW(step1[2] - step1[5], 8);
+ output[6] = WRAPLOW(step1[1] - step1[6], 8);
+ output[7] = WRAPLOW(step1[0] - step1[7], 8);
+}
+
+void vp9_idct8x8_64_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
+ tran_low_t out[8 * 8];
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[8], temp_out[8];
+
+ // First transform rows
+ for (i = 0; i < 8; ++i) {
+ idct8_c(input, outptr);
+ input += 8;
+ outptr += 8;
+ }
+
+ // Then transform columns
+ for (i = 0; i < 8; ++i) {
+ for (j = 0; j < 8; ++j)
+ temp_in[j] = out[j * 8 + i];
+ idct8_c(temp_in, temp_out);
+ for (j = 0; j < 8; ++j) {
+ dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
+ ROUND_POWER_OF_TWO(temp_out[j], 5));
+ }
+ }
+}
+
+void vp9_idct8x8_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
+ int i, j;
+ tran_high_t a1;
+ tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8);
+ out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8);
+ a1 = ROUND_POWER_OF_TWO(out, 5);
+ for (j = 0; j < 8; ++j) {
+ for (i = 0; i < 8; ++i)
+ dest[i] = clip_pixel_add(dest[i], a1);
+ dest += stride;
+ }
+}
+
+void iadst4_c(const tran_low_t *input, tran_low_t *output) {
+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
+
+ tran_low_t x0 = input[0];
+ tran_low_t x1 = input[1];
+ tran_low_t x2 = input[2];
+ tran_low_t x3 = input[3];
+
+ if (!(x0 | x1 | x2 | x3)) {
+ output[0] = output[1] = output[2] = output[3] = 0;
+ return;
+ }
+
+ s0 = sinpi_1_9 * x0;
+ s1 = sinpi_2_9 * x0;
+ s2 = sinpi_3_9 * x1;
+ s3 = sinpi_4_9 * x2;
+ s4 = sinpi_1_9 * x2;
+ s5 = sinpi_2_9 * x3;
+ s6 = sinpi_4_9 * x3;
+ s7 = x0 - x2 + x3;
+
+ s0 = s0 + s3 + s5;
+ s1 = s1 - s4 - s6;
+ s3 = s2;
+ s2 = sinpi_3_9 * s7;
+
+ // 1-D transform scaling factor is sqrt(2).
+ // The overall dynamic range is 14b (input) + 14b (multiplication scaling)
+ // + 1b (addition) = 29b.
+ // Hence the output bit depth is 15b.
+ output[0] = WRAPLOW(dct_const_round_shift(s0 + s3), 8);
+ output[1] = WRAPLOW(dct_const_round_shift(s1 + s3), 8);
+ output[2] = WRAPLOW(dct_const_round_shift(s2), 8);
+ output[3] = WRAPLOW(dct_const_round_shift(s0 + s1 - s3), 8);
+}
+
+void iadst8_c(const tran_low_t *input, tran_low_t *output) {
+ int s0, s1, s2, s3, s4, s5, s6, s7;
+
+ tran_high_t x0 = input[7];
+ tran_high_t x1 = input[0];
+ tran_high_t x2 = input[5];
+ tran_high_t x3 = input[2];
+ tran_high_t x4 = input[3];
+ tran_high_t x5 = input[4];
+ tran_high_t x6 = input[1];
+ tran_high_t x7 = input[6];
+
+ if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {
+ output[0] = output[1] = output[2] = output[3] = output[4]
+ = output[5] = output[6] = output[7] = 0;
+ return;
+ }
+
+ // stage 1
+ s0 = (int)(cospi_2_64 * x0 + cospi_30_64 * x1);
+ s1 = (int)(cospi_30_64 * x0 - cospi_2_64 * x1);
+ s2 = (int)(cospi_10_64 * x2 + cospi_22_64 * x3);
+ s3 = (int)(cospi_22_64 * x2 - cospi_10_64 * x3);
+ s4 = (int)(cospi_18_64 * x4 + cospi_14_64 * x5);
+ s5 = (int)(cospi_14_64 * x4 - cospi_18_64 * x5);
+ s6 = (int)(cospi_26_64 * x6 + cospi_6_64 * x7);
+ s7 = (int)(cospi_6_64 * x6 - cospi_26_64 * x7);
+
+ x0 = WRAPLOW(dct_const_round_shift(s0 + s4), 8);
+ x1 = WRAPLOW(dct_const_round_shift(s1 + s5), 8);
+ x2 = WRAPLOW(dct_const_round_shift(s2 + s6), 8);
+ x3 = WRAPLOW(dct_const_round_shift(s3 + s7), 8);
+ x4 = WRAPLOW(dct_const_round_shift(s0 - s4), 8);
+ x5 = WRAPLOW(dct_const_round_shift(s1 - s5), 8);
+ x6 = WRAPLOW(dct_const_round_shift(s2 - s6), 8);
+ x7 = WRAPLOW(dct_const_round_shift(s3 - s7), 8);
+
+ // stage 2
+ s0 = (int)x0;
+ s1 = (int)x1;
+ s2 = (int)x2;
+ s3 = (int)x3;
+ s4 = (int)(cospi_8_64 * x4 + cospi_24_64 * x5);
+ s5 = (int)(cospi_24_64 * x4 - cospi_8_64 * x5);
+ s6 = (int)(-cospi_24_64 * x6 + cospi_8_64 * x7);
+ s7 = (int)(cospi_8_64 * x6 + cospi_24_64 * x7);
+
+ x0 = WRAPLOW(s0 + s2, 8);
+ x1 = WRAPLOW(s1 + s3, 8);
+ x2 = WRAPLOW(s0 - s2, 8);
+ x3 = WRAPLOW(s1 - s3, 8);
+ x4 = WRAPLOW(dct_const_round_shift(s4 + s6), 8);
+ x5 = WRAPLOW(dct_const_round_shift(s5 + s7), 8);
+ x6 = WRAPLOW(dct_const_round_shift(s4 - s6), 8);
+ x7 = WRAPLOW(dct_const_round_shift(s5 - s7), 8);
+
+ // stage 3
+ s2 = (int)(cospi_16_64 * (x2 + x3));
+ s3 = (int)(cospi_16_64 * (x2 - x3));
+ s6 = (int)(cospi_16_64 * (x6 + x7));
+ s7 = (int)(cospi_16_64 * (x6 - x7));
+
+ x2 = WRAPLOW(dct_const_round_shift(s2), 8);
+ x3 = WRAPLOW(dct_const_round_shift(s3), 8);
+ x6 = WRAPLOW(dct_const_round_shift(s6), 8);
+ x7 = WRAPLOW(dct_const_round_shift(s7), 8);
+
+ output[0] = WRAPLOW(x0, 8);
+ output[1] = WRAPLOW(-x4, 8);
+ output[2] = WRAPLOW(x6, 8);
+ output[3] = WRAPLOW(-x2, 8);
+ output[4] = WRAPLOW(x3, 8);
+ output[5] = WRAPLOW(-x7, 8);
+ output[6] = WRAPLOW(x5, 8);
+ output[7] = WRAPLOW(-x1, 8);
+}
+
+void vp9_idct8x8_12_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
+ tran_low_t out[8 * 8] = { 0 };
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[8], temp_out[8];
+
+ // First transform rows
+ // only first 4 row has non-zero coefs
+ for (i = 0; i < 4; ++i) {
+ idct8_c(input, outptr);
+ input += 8;
+ outptr += 8;
+ }
+
+ // Then transform columns
+ for (i = 0; i < 8; ++i) {
+ for (j = 0; j < 8; ++j)
+ temp_in[j] = out[j * 8 + i];
+ idct8_c(temp_in, temp_out);
+ for (j = 0; j < 8; ++j) {
+ dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
+ ROUND_POWER_OF_TWO(temp_out[j], 5));
+ }
+ }
+}
+
+void idct16_c(const tran_low_t *input, tran_low_t *output) {
+ tran_low_t step1[16], step2[16];
+ tran_high_t temp1, temp2;
+
+ // stage 1
+ step1[0] = input[0/2];
+ step1[1] = input[16/2];
+ step1[2] = input[8/2];
+ step1[3] = input[24/2];
+ step1[4] = input[4/2];
+ step1[5] = input[20/2];
+ step1[6] = input[12/2];
+ step1[7] = input[28/2];
+ step1[8] = input[2/2];
+ step1[9] = input[18/2];
+ step1[10] = input[10/2];
+ step1[11] = input[26/2];
+ step1[12] = input[6/2];
+ step1[13] = input[22/2];
+ step1[14] = input[14/2];
+ step1[15] = input[30/2];
+
+ // stage 2
+ step2[0] = step1[0];
+ step2[1] = step1[1];
+ step2[2] = step1[2];
+ step2[3] = step1[3];
+ step2[4] = step1[4];
+ step2[5] = step1[5];
+ step2[6] = step1[6];
+ step2[7] = step1[7];
+
+ temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
+ temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
+ step2[8] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[15] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
+ temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
+ step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
+ temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
+ step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
+ temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
+ step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ // stage 3
+ step1[0] = step2[0];
+ step1[1] = step2[1];
+ step1[2] = step2[2];
+ step1[3] = step2[3];
+
+ temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
+ temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
+ step1[4] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[7] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
+ temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
+ step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ step1[8] = WRAPLOW(step2[8] + step2[9], 8);
+ step1[9] = WRAPLOW(step2[8] - step2[9], 8);
+ step1[10] = WRAPLOW(-step2[10] + step2[11], 8);
+ step1[11] = WRAPLOW(step2[10] + step2[11], 8);
+ step1[12] = WRAPLOW(step2[12] + step2[13], 8);
+ step1[13] = WRAPLOW(step2[12] - step2[13], 8);
+ step1[14] = WRAPLOW(-step2[14] + step2[15], 8);
+ step1[15] = WRAPLOW(step2[14] + step2[15], 8);
+
+ // stage 4
+ temp1 = (step1[0] + step1[1]) * cospi_16_64;
+ temp2 = (step1[0] - step1[1]) * cospi_16_64;
+ step2[0] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[1] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
+ temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
+ step2[2] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[3] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step2[4] = WRAPLOW(step1[4] + step1[5], 8);
+ step2[5] = WRAPLOW(step1[4] - step1[5], 8);
+ step2[6] = WRAPLOW(-step1[6] + step1[7], 8);
+ step2[7] = WRAPLOW(step1[6] + step1[7], 8);
+
+ step2[8] = step1[8];
+ step2[15] = step1[15];
+ temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
+ temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
+ step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
+ temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
+ step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step2[11] = step1[11];
+ step2[12] = step1[12];
+
+ // stage 5
+ step1[0] = WRAPLOW(step2[0] + step2[3], 8);
+ step1[1] = WRAPLOW(step2[1] + step2[2], 8);
+ step1[2] = WRAPLOW(step2[1] - step2[2], 8);
+ step1[3] = WRAPLOW(step2[0] - step2[3], 8);
+ step1[4] = step2[4];
+ temp1 = (step2[6] - step2[5]) * cospi_16_64;
+ temp2 = (step2[5] + step2[6]) * cospi_16_64;
+ step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step1[7] = step2[7];
+
+ step1[8] = WRAPLOW(step2[8] + step2[11], 8);
+ step1[9] = WRAPLOW(step2[9] + step2[10], 8);
+ step1[10] = WRAPLOW(step2[9] - step2[10], 8);
+ step1[11] = WRAPLOW(step2[8] - step2[11], 8);
+ step1[12] = WRAPLOW(-step2[12] + step2[15], 8);
+ step1[13] = WRAPLOW(-step2[13] + step2[14], 8);
+ step1[14] = WRAPLOW(step2[13] + step2[14], 8);
+ step1[15] = WRAPLOW(step2[12] + step2[15], 8);
+
+ // stage 6
+ step2[0] = WRAPLOW(step1[0] + step1[7], 8);
+ step2[1] = WRAPLOW(step1[1] + step1[6], 8);
+ step2[2] = WRAPLOW(step1[2] + step1[5], 8);
+ step2[3] = WRAPLOW(step1[3] + step1[4], 8);
+ step2[4] = WRAPLOW(step1[3] - step1[4], 8);
+ step2[5] = WRAPLOW(step1[2] - step1[5], 8);
+ step2[6] = WRAPLOW(step1[1] - step1[6], 8);
+ step2[7] = WRAPLOW(step1[0] - step1[7], 8);
+ step2[8] = step1[8];
+ step2[9] = step1[9];
+ temp1 = (-step1[10] + step1[13]) * cospi_16_64;
+ temp2 = (step1[10] + step1[13]) * cospi_16_64;
+ step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = (-step1[11] + step1[12]) * cospi_16_64;
+ temp2 = (step1[11] + step1[12]) * cospi_16_64;
+ step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step2[14] = step1[14];
+ step2[15] = step1[15];
+
+ // stage 7
+ output[0] = WRAPLOW(step2[0] + step2[15], 8);
+ output[1] = WRAPLOW(step2[1] + step2[14], 8);
+ output[2] = WRAPLOW(step2[2] + step2[13], 8);
+ output[3] = WRAPLOW(step2[3] + step2[12], 8);
+ output[4] = WRAPLOW(step2[4] + step2[11], 8);
+ output[5] = WRAPLOW(step2[5] + step2[10], 8);
+ output[6] = WRAPLOW(step2[6] + step2[9], 8);
+ output[7] = WRAPLOW(step2[7] + step2[8], 8);
+ output[8] = WRAPLOW(step2[7] - step2[8], 8);
+ output[9] = WRAPLOW(step2[6] - step2[9], 8);
+ output[10] = WRAPLOW(step2[5] - step2[10], 8);
+ output[11] = WRAPLOW(step2[4] - step2[11], 8);
+ output[12] = WRAPLOW(step2[3] - step2[12], 8);
+ output[13] = WRAPLOW(step2[2] - step2[13], 8);
+ output[14] = WRAPLOW(step2[1] - step2[14], 8);
+ output[15] = WRAPLOW(step2[0] - step2[15], 8);
+}
+
+void vp9_idct16x16_256_add_c(const tran_low_t *input, uint8_t *dest,
+ int stride) {
+ tran_low_t out[16 * 16];
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[16], temp_out[16];
+
+ // First transform rows
+ for (i = 0; i < 16; ++i) {
+ idct16_c(input, outptr);
+ input += 16;
+ outptr += 16;
+ }
+
+ // Then transform columns
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j)
+ temp_in[j] = out[j * 16 + i];
+ idct16_c(temp_in, temp_out);
+ for (j = 0; j < 16; ++j) {
+ dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
+ ROUND_POWER_OF_TWO(temp_out[j], 6));
+ }
+ }
+}
+
+void iadst16_c(const tran_low_t *input, tran_low_t *output) {
+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7, s8;
+ tran_high_t s9, s10, s11, s12, s13, s14, s15;
+
+ tran_high_t x0 = input[15];
+ tran_high_t x1 = input[0];
+ tran_high_t x2 = input[13];
+ tran_high_t x3 = input[2];
+ tran_high_t x4 = input[11];
+ tran_high_t x5 = input[4];
+ tran_high_t x6 = input[9];
+ tran_high_t x7 = input[6];
+ tran_high_t x8 = input[7];
+ tran_high_t x9 = input[8];
+ tran_high_t x10 = input[5];
+ tran_high_t x11 = input[10];
+ tran_high_t x12 = input[3];
+ tran_high_t x13 = input[12];
+ tran_high_t x14 = input[1];
+ tran_high_t x15 = input[14];
+
+ if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8
+ | x9 | x10 | x11 | x12 | x13 | x14 | x15)) {
+ output[0] = output[1] = output[2] = output[3] = output[4]
+ = output[5] = output[6] = output[7] = output[8]
+ = output[9] = output[10] = output[11] = output[12]
+ = output[13] = output[14] = output[15] = 0;
+ return;
+ }
+
+ // stage 1
+ s0 = x0 * cospi_1_64 + x1 * cospi_31_64;
+ s1 = x0 * cospi_31_64 - x1 * cospi_1_64;
+ s2 = x2 * cospi_5_64 + x3 * cospi_27_64;
+ s3 = x2 * cospi_27_64 - x3 * cospi_5_64;
+ s4 = x4 * cospi_9_64 + x5 * cospi_23_64;
+ s5 = x4 * cospi_23_64 - x5 * cospi_9_64;
+ s6 = x6 * cospi_13_64 + x7 * cospi_19_64;
+ s7 = x6 * cospi_19_64 - x7 * cospi_13_64;
+ s8 = x8 * cospi_17_64 + x9 * cospi_15_64;
+ s9 = x8 * cospi_15_64 - x9 * cospi_17_64;
+ s10 = x10 * cospi_21_64 + x11 * cospi_11_64;
+ s11 = x10 * cospi_11_64 - x11 * cospi_21_64;
+ s12 = x12 * cospi_25_64 + x13 * cospi_7_64;
+ s13 = x12 * cospi_7_64 - x13 * cospi_25_64;
+ s14 = x14 * cospi_29_64 + x15 * cospi_3_64;
+ s15 = x14 * cospi_3_64 - x15 * cospi_29_64;
+
+ x0 = WRAPLOW(dct_const_round_shift(s0 + s8), 8);
+ x1 = WRAPLOW(dct_const_round_shift(s1 + s9), 8);
+ x2 = WRAPLOW(dct_const_round_shift(s2 + s10), 8);
+ x3 = WRAPLOW(dct_const_round_shift(s3 + s11), 8);
+ x4 = WRAPLOW(dct_const_round_shift(s4 + s12), 8);
+ x5 = WRAPLOW(dct_const_round_shift(s5 + s13), 8);
+ x6 = WRAPLOW(dct_const_round_shift(s6 + s14), 8);
+ x7 = WRAPLOW(dct_const_round_shift(s7 + s15), 8);
+ x8 = WRAPLOW(dct_const_round_shift(s0 - s8), 8);
+ x9 = WRAPLOW(dct_const_round_shift(s1 - s9), 8);
+ x10 = WRAPLOW(dct_const_round_shift(s2 - s10), 8);
+ x11 = WRAPLOW(dct_const_round_shift(s3 - s11), 8);
+ x12 = WRAPLOW(dct_const_round_shift(s4 - s12), 8);
+ x13 = WRAPLOW(dct_const_round_shift(s5 - s13), 8);
+ x14 = WRAPLOW(dct_const_round_shift(s6 - s14), 8);
+ x15 = WRAPLOW(dct_const_round_shift(s7 - s15), 8);
+
+ // stage 2
+ s0 = x0;
+ s1 = x1;
+ s2 = x2;
+ s3 = x3;
+ s4 = x4;
+ s5 = x5;
+ s6 = x6;
+ s7 = x7;
+ s8 = x8 * cospi_4_64 + x9 * cospi_28_64;
+ s9 = x8 * cospi_28_64 - x9 * cospi_4_64;
+ s10 = x10 * cospi_20_64 + x11 * cospi_12_64;
+ s11 = x10 * cospi_12_64 - x11 * cospi_20_64;
+ s12 = - x12 * cospi_28_64 + x13 * cospi_4_64;
+ s13 = x12 * cospi_4_64 + x13 * cospi_28_64;
+ s14 = - x14 * cospi_12_64 + x15 * cospi_20_64;
+ s15 = x14 * cospi_20_64 + x15 * cospi_12_64;
+
+ x0 = WRAPLOW(s0 + s4, 8);
+ x1 = WRAPLOW(s1 + s5, 8);
+ x2 = WRAPLOW(s2 + s6, 8);
+ x3 = WRAPLOW(s3 + s7, 8);
+ x4 = WRAPLOW(s0 - s4, 8);
+ x5 = WRAPLOW(s1 - s5, 8);
+ x6 = WRAPLOW(s2 - s6, 8);
+ x7 = WRAPLOW(s3 - s7, 8);
+ x8 = WRAPLOW(dct_const_round_shift(s8 + s12), 8);
+ x9 = WRAPLOW(dct_const_round_shift(s9 + s13), 8);
+ x10 = WRAPLOW(dct_const_round_shift(s10 + s14), 8);
+ x11 = WRAPLOW(dct_const_round_shift(s11 + s15), 8);
+ x12 = WRAPLOW(dct_const_round_shift(s8 - s12), 8);
+ x13 = WRAPLOW(dct_const_round_shift(s9 - s13), 8);
+ x14 = WRAPLOW(dct_const_round_shift(s10 - s14), 8);
+ x15 = WRAPLOW(dct_const_round_shift(s11 - s15), 8);
+
+ // stage 3
+ s0 = x0;
+ s1 = x1;
+ s2 = x2;
+ s3 = x3;
+ s4 = x4 * cospi_8_64 + x5 * cospi_24_64;
+ s5 = x4 * cospi_24_64 - x5 * cospi_8_64;
+ s6 = - x6 * cospi_24_64 + x7 * cospi_8_64;
+ s7 = x6 * cospi_8_64 + x7 * cospi_24_64;
+ s8 = x8;
+ s9 = x9;
+ s10 = x10;
+ s11 = x11;
+ s12 = x12 * cospi_8_64 + x13 * cospi_24_64;
+ s13 = x12 * cospi_24_64 - x13 * cospi_8_64;
+ s14 = - x14 * cospi_24_64 + x15 * cospi_8_64;
+ s15 = x14 * cospi_8_64 + x15 * cospi_24_64;
+
+ x0 = WRAPLOW(check_range(s0 + s2), 8);
+ x1 = WRAPLOW(check_range(s1 + s3), 8);
+ x2 = WRAPLOW(check_range(s0 - s2), 8);
+ x3 = WRAPLOW(check_range(s1 - s3), 8);
+ x4 = WRAPLOW(dct_const_round_shift(s4 + s6), 8);
+ x5 = WRAPLOW(dct_const_round_shift(s5 + s7), 8);
+ x6 = WRAPLOW(dct_const_round_shift(s4 - s6), 8);
+ x7 = WRAPLOW(dct_const_round_shift(s5 - s7), 8);
+ x8 = WRAPLOW(check_range(s8 + s10), 8);
+ x9 = WRAPLOW(check_range(s9 + s11), 8);
+ x10 = WRAPLOW(check_range(s8 - s10), 8);
+ x11 = WRAPLOW(check_range(s9 - s11), 8);
+ x12 = WRAPLOW(dct_const_round_shift(s12 + s14), 8);
+ x13 = WRAPLOW(dct_const_round_shift(s13 + s15), 8);
+ x14 = WRAPLOW(dct_const_round_shift(s12 - s14), 8);
+ x15 = WRAPLOW(dct_const_round_shift(s13 - s15), 8);
+
+ // stage 4
+ s2 = (- cospi_16_64) * (x2 + x3);
+ s3 = cospi_16_64 * (x2 - x3);
+ s6 = cospi_16_64 * (x6 + x7);
+ s7 = cospi_16_64 * (- x6 + x7);
+ s10 = cospi_16_64 * (x10 + x11);
+ s11 = cospi_16_64 * (- x10 + x11);
+ s14 = (- cospi_16_64) * (x14 + x15);
+ s15 = cospi_16_64 * (x14 - x15);
+
+ x2 = WRAPLOW(dct_const_round_shift(s2), 8);
+ x3 = WRAPLOW(dct_const_round_shift(s3), 8);
+ x6 = WRAPLOW(dct_const_round_shift(s6), 8);
+ x7 = WRAPLOW(dct_const_round_shift(s7), 8);
+ x10 = WRAPLOW(dct_const_round_shift(s10), 8);
+ x11 = WRAPLOW(dct_const_round_shift(s11), 8);
+ x14 = WRAPLOW(dct_const_round_shift(s14), 8);
+ x15 = WRAPLOW(dct_const_round_shift(s15), 8);
+
+ output[0] = WRAPLOW(x0, 8);
+ output[1] = WRAPLOW(-x8, 8);
+ output[2] = WRAPLOW(x12, 8);
+ output[3] = WRAPLOW(-x4, 8);
+ output[4] = WRAPLOW(x6, 8);
+ output[5] = WRAPLOW(x14, 8);
+ output[6] = WRAPLOW(x10, 8);
+ output[7] = WRAPLOW(x2, 8);
+ output[8] = WRAPLOW(x3, 8);
+ output[9] = WRAPLOW(x11, 8);
+ output[10] = WRAPLOW(x15, 8);
+ output[11] = WRAPLOW(x7, 8);
+ output[12] = WRAPLOW(x5, 8);
+ output[13] = WRAPLOW(-x13, 8);
+ output[14] = WRAPLOW(x9, 8);
+ output[15] = WRAPLOW(-x1, 8);
+}
+
+void vp9_idct16x16_10_add_c(const tran_low_t *input, uint8_t *dest,
+ int stride) {
+ tran_low_t out[16 * 16] = { 0 };
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[16], temp_out[16];
+
+ // First transform rows. Since all non-zero dct coefficients are in
+ // upper-left 4x4 area, we only need to calculate first 4 rows here.
+ for (i = 0; i < 4; ++i) {
+ idct16_c(input, outptr);
+ input += 16;
+ outptr += 16;
+ }
+
+ // Then transform columns
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j)
+ temp_in[j] = out[j*16 + i];
+ idct16_c(temp_in, temp_out);
+ for (j = 0; j < 16; ++j) {
+ dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
+ ROUND_POWER_OF_TWO(temp_out[j], 6));
+ }
+ }
+}
+
+void vp9_idct16x16_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
+ int i, j;
+ tran_high_t a1;
+ tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8);
+ out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8);
+ a1 = ROUND_POWER_OF_TWO(out, 6);
+ for (j = 0; j < 16; ++j) {
+ for (i = 0; i < 16; ++i)
+ dest[i] = clip_pixel_add(dest[i], a1);
+ dest += stride;
+ }
+}
+
+void idct32_c(const tran_low_t *input, tran_low_t *output) {
+ tran_low_t step1[32], step2[32];
+ tran_high_t temp1, temp2;
+
+ // stage 1
+ step1[0] = input[0];
+ step1[1] = input[16];
+ step1[2] = input[8];
+ step1[3] = input[24];
+ step1[4] = input[4];
+ step1[5] = input[20];
+ step1[6] = input[12];
+ step1[7] = input[28];
+ step1[8] = input[2];
+ step1[9] = input[18];
+ step1[10] = input[10];
+ step1[11] = input[26];
+ step1[12] = input[6];
+ step1[13] = input[22];
+ step1[14] = input[14];
+ step1[15] = input[30];
+
+ temp1 = input[1] * cospi_31_64 - input[31] * cospi_1_64;
+ temp2 = input[1] * cospi_1_64 + input[31] * cospi_31_64;
+ step1[16] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[31] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = input[17] * cospi_15_64 - input[15] * cospi_17_64;
+ temp2 = input[17] * cospi_17_64 + input[15] * cospi_15_64;
+ step1[17] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[30] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = input[9] * cospi_23_64 - input[23] * cospi_9_64;
+ temp2 = input[9] * cospi_9_64 + input[23] * cospi_23_64;
+ step1[18] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[29] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = input[25] * cospi_7_64 - input[7] * cospi_25_64;
+ temp2 = input[25] * cospi_25_64 + input[7] * cospi_7_64;
+ step1[19] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[28] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = input[5] * cospi_27_64 - input[27] * cospi_5_64;
+ temp2 = input[5] * cospi_5_64 + input[27] * cospi_27_64;
+ step1[20] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[27] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = input[21] * cospi_11_64 - input[11] * cospi_21_64;
+ temp2 = input[21] * cospi_21_64 + input[11] * cospi_11_64;
+ step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = input[13] * cospi_19_64 - input[19] * cospi_13_64;
+ temp2 = input[13] * cospi_13_64 + input[19] * cospi_19_64;
+ step1[22] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[25] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = input[29] * cospi_3_64 - input[3] * cospi_29_64;
+ temp2 = input[29] * cospi_29_64 + input[3] * cospi_3_64;
+ step1[23] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[24] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ // stage 2
+ step2[0] = step1[0];
+ step2[1] = step1[1];
+ step2[2] = step1[2];
+ step2[3] = step1[3];
+ step2[4] = step1[4];
+ step2[5] = step1[5];
+ step2[6] = step1[6];
+ step2[7] = step1[7];
+
+ temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
+ temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
+ step2[8] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[15] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
+ temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
+ step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
+ temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
+ step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
+ temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
+ step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ step2[16] = WRAPLOW(step1[16] + step1[17], 8);
+ step2[17] = WRAPLOW(step1[16] - step1[17], 8);
+ step2[18] = WRAPLOW(-step1[18] + step1[19], 8);
+ step2[19] = WRAPLOW(step1[18] + step1[19], 8);
+ step2[20] = WRAPLOW(step1[20] + step1[21], 8);
+ step2[21] = WRAPLOW(step1[20] - step1[21], 8);
+ step2[22] = WRAPLOW(-step1[22] + step1[23], 8);
+ step2[23] = WRAPLOW(step1[22] + step1[23], 8);
+ step2[24] = WRAPLOW(step1[24] + step1[25], 8);
+ step2[25] = WRAPLOW(step1[24] - step1[25], 8);
+ step2[26] = WRAPLOW(-step1[26] + step1[27], 8);
+ step2[27] = WRAPLOW(step1[26] + step1[27], 8);
+ step2[28] = WRAPLOW(step1[28] + step1[29], 8);
+ step2[29] = WRAPLOW(step1[28] - step1[29], 8);
+ step2[30] = WRAPLOW(-step1[30] + step1[31], 8);
+ step2[31] = WRAPLOW(step1[30] + step1[31], 8);
+
+ // stage 3
+ step1[0] = step2[0];
+ step1[1] = step2[1];
+ step1[2] = step2[2];
+ step1[3] = step2[3];
+
+ temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
+ temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
+ step1[4] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[7] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
+ temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
+ step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
+
+ step1[8] = WRAPLOW(step2[8] + step2[9], 8);
+ step1[9] = WRAPLOW(step2[8] - step2[9], 8);
+ step1[10] = WRAPLOW(-step2[10] + step2[11], 8);
+ step1[11] = WRAPLOW(step2[10] + step2[11], 8);
+ step1[12] = WRAPLOW(step2[12] + step2[13], 8);
+ step1[13] = WRAPLOW(step2[12] - step2[13], 8);
+ step1[14] = WRAPLOW(-step2[14] + step2[15], 8);
+ step1[15] = WRAPLOW(step2[14] + step2[15], 8);
+
+ step1[16] = step2[16];
+ step1[31] = step2[31];
+ temp1 = -step2[17] * cospi_4_64 + step2[30] * cospi_28_64;
+ temp2 = step2[17] * cospi_28_64 + step2[30] * cospi_4_64;
+ step1[17] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[30] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = -step2[18] * cospi_28_64 - step2[29] * cospi_4_64;
+ temp2 = -step2[18] * cospi_4_64 + step2[29] * cospi_28_64;
+ step1[18] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[29] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step1[19] = step2[19];
+ step1[20] = step2[20];
+ temp1 = -step2[21] * cospi_20_64 + step2[26] * cospi_12_64;
+ temp2 = step2[21] * cospi_12_64 + step2[26] * cospi_20_64;
+ step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = -step2[22] * cospi_12_64 - step2[25] * cospi_20_64;
+ temp2 = -step2[22] * cospi_20_64 + step2[25] * cospi_12_64;
+ step1[22] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[25] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step1[23] = step2[23];
+ step1[24] = step2[24];
+ step1[27] = step2[27];
+ step1[28] = step2[28];
+
+ // stage 4
+ temp1 = (step1[0] + step1[1]) * cospi_16_64;
+ temp2 = (step1[0] - step1[1]) * cospi_16_64;
+ step2[0] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[1] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
+ temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
+ step2[2] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[3] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step2[4] = WRAPLOW(step1[4] + step1[5], 8);
+ step2[5] = WRAPLOW(step1[4] - step1[5], 8);
+ step2[6] = WRAPLOW(-step1[6] + step1[7], 8);
+ step2[7] = WRAPLOW(step1[6] + step1[7], 8);
+
+ step2[8] = step1[8];
+ step2[15] = step1[15];
+ temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
+ temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
+ step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
+ temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
+ step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step2[11] = step1[11];
+ step2[12] = step1[12];
+
+ step2[16] = WRAPLOW(step1[16] + step1[19], 8);
+ step2[17] = WRAPLOW(step1[17] + step1[18], 8);
+ step2[18] = WRAPLOW(step1[17] - step1[18], 8);
+ step2[19] = WRAPLOW(step1[16] - step1[19], 8);
+ step2[20] = WRAPLOW(-step1[20] + step1[23], 8);
+ step2[21] = WRAPLOW(-step1[21] + step1[22], 8);
+ step2[22] = WRAPLOW(step1[21] + step1[22], 8);
+ step2[23] = WRAPLOW(step1[20] + step1[23], 8);
+
+ step2[24] = WRAPLOW(step1[24] + step1[27], 8);
+ step2[25] = WRAPLOW(step1[25] + step1[26], 8);
+ step2[26] = WRAPLOW(step1[25] - step1[26], 8);
+ step2[27] = WRAPLOW(step1[24] - step1[27], 8);
+ step2[28] = WRAPLOW(-step1[28] + step1[31], 8);
+ step2[29] = WRAPLOW(-step1[29] + step1[30], 8);
+ step2[30] = WRAPLOW(step1[29] + step1[30], 8);
+ step2[31] = WRAPLOW(step1[28] + step1[31], 8);
+
+ // stage 5
+ step1[0] = WRAPLOW(step2[0] + step2[3], 8);
+ step1[1] = WRAPLOW(step2[1] + step2[2], 8);
+ step1[2] = WRAPLOW(step2[1] - step2[2], 8);
+ step1[3] = WRAPLOW(step2[0] - step2[3], 8);
+ step1[4] = step2[4];
+ temp1 = (step2[6] - step2[5]) * cospi_16_64;
+ temp2 = (step2[5] + step2[6]) * cospi_16_64;
+ step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step1[7] = step2[7];
+
+ step1[8] = WRAPLOW(step2[8] + step2[11], 8);
+ step1[9] = WRAPLOW(step2[9] + step2[10], 8);
+ step1[10] = WRAPLOW(step2[9] - step2[10], 8);
+ step1[11] = WRAPLOW(step2[8] - step2[11], 8);
+ step1[12] = WRAPLOW(-step2[12] + step2[15], 8);
+ step1[13] = WRAPLOW(-step2[13] + step2[14], 8);
+ step1[14] = WRAPLOW(step2[13] + step2[14], 8);
+ step1[15] = WRAPLOW(step2[12] + step2[15], 8);
+
+ step1[16] = step2[16];
+ step1[17] = step2[17];
+ temp1 = -step2[18] * cospi_8_64 + step2[29] * cospi_24_64;
+ temp2 = step2[18] * cospi_24_64 + step2[29] * cospi_8_64;
+ step1[18] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[29] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = -step2[19] * cospi_8_64 + step2[28] * cospi_24_64;
+ temp2 = step2[19] * cospi_24_64 + step2[28] * cospi_8_64;
+ step1[19] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[28] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = -step2[20] * cospi_24_64 - step2[27] * cospi_8_64;
+ temp2 = -step2[20] * cospi_8_64 + step2[27] * cospi_24_64;
+ step1[20] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[27] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = -step2[21] * cospi_24_64 - step2[26] * cospi_8_64;
+ temp2 = -step2[21] * cospi_8_64 + step2[26] * cospi_24_64;
+ step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step1[22] = step2[22];
+ step1[23] = step2[23];
+ step1[24] = step2[24];
+ step1[25] = step2[25];
+ step1[30] = step2[30];
+ step1[31] = step2[31];
+
+ // stage 6
+ step2[0] = WRAPLOW(step1[0] + step1[7], 8);
+ step2[1] = WRAPLOW(step1[1] + step1[6], 8);
+ step2[2] = WRAPLOW(step1[2] + step1[5], 8);
+ step2[3] = WRAPLOW(step1[3] + step1[4], 8);
+ step2[4] = WRAPLOW(step1[3] - step1[4], 8);
+ step2[5] = WRAPLOW(step1[2] - step1[5], 8);
+ step2[6] = WRAPLOW(step1[1] - step1[6], 8);
+ step2[7] = WRAPLOW(step1[0] - step1[7], 8);
+ step2[8] = step1[8];
+ step2[9] = step1[9];
+ temp1 = (-step1[10] + step1[13]) * cospi_16_64;
+ temp2 = (step1[10] + step1[13]) * cospi_16_64;
+ step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = (-step1[11] + step1[12]) * cospi_16_64;
+ temp2 = (step1[11] + step1[12]) * cospi_16_64;
+ step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step2[14] = step1[14];
+ step2[15] = step1[15];
+
+ step2[16] = WRAPLOW(step1[16] + step1[23], 8);
+ step2[17] = WRAPLOW(step1[17] + step1[22], 8);
+ step2[18] = WRAPLOW(step1[18] + step1[21], 8);
+ step2[19] = WRAPLOW(step1[19] + step1[20], 8);
+ step2[20] = WRAPLOW(step1[19] - step1[20], 8);
+ step2[21] = WRAPLOW(step1[18] - step1[21], 8);
+ step2[22] = WRAPLOW(step1[17] - step1[22], 8);
+ step2[23] = WRAPLOW(step1[16] - step1[23], 8);
+
+ step2[24] = WRAPLOW(-step1[24] + step1[31], 8);
+ step2[25] = WRAPLOW(-step1[25] + step1[30], 8);
+ step2[26] = WRAPLOW(-step1[26] + step1[29], 8);
+ step2[27] = WRAPLOW(-step1[27] + step1[28], 8);
+ step2[28] = WRAPLOW(step1[27] + step1[28], 8);
+ step2[29] = WRAPLOW(step1[26] + step1[29], 8);
+ step2[30] = WRAPLOW(step1[25] + step1[30], 8);
+ step2[31] = WRAPLOW(step1[24] + step1[31], 8);
+
+ // stage 7
+ step1[0] = WRAPLOW(step2[0] + step2[15], 8);
+ step1[1] = WRAPLOW(step2[1] + step2[14], 8);
+ step1[2] = WRAPLOW(step2[2] + step2[13], 8);
+ step1[3] = WRAPLOW(step2[3] + step2[12], 8);
+ step1[4] = WRAPLOW(step2[4] + step2[11], 8);
+ step1[5] = WRAPLOW(step2[5] + step2[10], 8);
+ step1[6] = WRAPLOW(step2[6] + step2[9], 8);
+ step1[7] = WRAPLOW(step2[7] + step2[8], 8);
+ step1[8] = WRAPLOW(step2[7] - step2[8], 8);
+ step1[9] = WRAPLOW(step2[6] - step2[9], 8);
+ step1[10] = WRAPLOW(step2[5] - step2[10], 8);
+ step1[11] = WRAPLOW(step2[4] - step2[11], 8);
+ step1[12] = WRAPLOW(step2[3] - step2[12], 8);
+ step1[13] = WRAPLOW(step2[2] - step2[13], 8);
+ step1[14] = WRAPLOW(step2[1] - step2[14], 8);
+ step1[15] = WRAPLOW(step2[0] - step2[15], 8);
+
+ step1[16] = step2[16];
+ step1[17] = step2[17];
+ step1[18] = step2[18];
+ step1[19] = step2[19];
+ temp1 = (-step2[20] + step2[27]) * cospi_16_64;
+ temp2 = (step2[20] + step2[27]) * cospi_16_64;
+ step1[20] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[27] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = (-step2[21] + step2[26]) * cospi_16_64;
+ temp2 = (step2[21] + step2[26]) * cospi_16_64;
+ step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = (-step2[22] + step2[25]) * cospi_16_64;
+ temp2 = (step2[22] + step2[25]) * cospi_16_64;
+ step1[22] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[25] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ temp1 = (-step2[23] + step2[24]) * cospi_16_64;
+ temp2 = (step2[23] + step2[24]) * cospi_16_64;
+ step1[23] = WRAPLOW(dct_const_round_shift(temp1), 8);
+ step1[24] = WRAPLOW(dct_const_round_shift(temp2), 8);
+ step1[28] = step2[28];
+ step1[29] = step2[29];
+ step1[30] = step2[30];
+ step1[31] = step2[31];
+
+ // final stage
+ output[0] = WRAPLOW(step1[0] + step1[31], 8);
+ output[1] = WRAPLOW(step1[1] + step1[30], 8);
+ output[2] = WRAPLOW(step1[2] + step1[29], 8);
+ output[3] = WRAPLOW(step1[3] + step1[28], 8);
+ output[4] = WRAPLOW(step1[4] + step1[27], 8);
+ output[5] = WRAPLOW(step1[5] + step1[26], 8);
+ output[6] = WRAPLOW(step1[6] + step1[25], 8);
+ output[7] = WRAPLOW(step1[7] + step1[24], 8);
+ output[8] = WRAPLOW(step1[8] + step1[23], 8);
+ output[9] = WRAPLOW(step1[9] + step1[22], 8);
+ output[10] = WRAPLOW(step1[10] + step1[21], 8);
+ output[11] = WRAPLOW(step1[11] + step1[20], 8);
+ output[12] = WRAPLOW(step1[12] + step1[19], 8);
+ output[13] = WRAPLOW(step1[13] + step1[18], 8);
+ output[14] = WRAPLOW(step1[14] + step1[17], 8);
+ output[15] = WRAPLOW(step1[15] + step1[16], 8);
+ output[16] = WRAPLOW(step1[15] - step1[16], 8);
+ output[17] = WRAPLOW(step1[14] - step1[17], 8);
+ output[18] = WRAPLOW(step1[13] - step1[18], 8);
+ output[19] = WRAPLOW(step1[12] - step1[19], 8);
+ output[20] = WRAPLOW(step1[11] - step1[20], 8);
+ output[21] = WRAPLOW(step1[10] - step1[21], 8);
+ output[22] = WRAPLOW(step1[9] - step1[22], 8);
+ output[23] = WRAPLOW(step1[8] - step1[23], 8);
+ output[24] = WRAPLOW(step1[7] - step1[24], 8);
+ output[25] = WRAPLOW(step1[6] - step1[25], 8);
+ output[26] = WRAPLOW(step1[5] - step1[26], 8);
+ output[27] = WRAPLOW(step1[4] - step1[27], 8);
+ output[28] = WRAPLOW(step1[3] - step1[28], 8);
+ output[29] = WRAPLOW(step1[2] - step1[29], 8);
+ output[30] = WRAPLOW(step1[1] - step1[30], 8);
+ output[31] = WRAPLOW(step1[0] - step1[31], 8);
+}
+
+void vp9_idct32x32_1024_add_c(const tran_low_t *input, uint8_t *dest,
+ int stride) {
+ tran_low_t out[32 * 32];
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[32], temp_out[32];
+
+ // Rows
+ for (i = 0; i < 32; ++i) {
+ int16_t zero_coeff[16];
+ for (j = 0; j < 16; ++j)
+ zero_coeff[j] = input[2 * j] | input[2 * j + 1];
+ for (j = 0; j < 8; ++j)
+ zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
+ for (j = 0; j < 4; ++j)
+ zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
+ for (j = 0; j < 2; ++j)
+ zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
+
+ if (zero_coeff[0] | zero_coeff[1])
+ idct32_c(input, outptr);
+ else
+ memset(outptr, 0, sizeof(tran_low_t) * 32);
+ input += 32;
+ outptr += 32;
+ }
+
+ // Columns
+ for (i = 0; i < 32; ++i) {
+ for (j = 0; j < 32; ++j)
+ temp_in[j] = out[j * 32 + i];
+ idct32_c(temp_in, temp_out);
+ for (j = 0; j < 32; ++j) {
+ dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
+ ROUND_POWER_OF_TWO(temp_out[j], 6));
+ }
+ }
+}
+
+void vp9_idct32x32_34_add_c(const tran_low_t *input, uint8_t *dest,
+ int stride) {
+ tran_low_t out[32 * 32] = {0};
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[32], temp_out[32];
+
+ // Rows
+ // only upper-left 8x8 has non-zero coeff
+ for (i = 0; i < 8; ++i) {
+ idct32_c(input, outptr);
+ input += 32;
+ outptr += 32;
+ }
+
+ // Columns
+ for (i = 0; i < 32; ++i) {
+ for (j = 0; j < 32; ++j)
+ temp_in[j] = out[j * 32 + i];
+ idct32_c(temp_in, temp_out);
+ for (j = 0; j < 32; ++j) {
+ dest[j * stride + i] = clip_pixel_add(dest[j * stride + i],
+ ROUND_POWER_OF_TWO(temp_out[j], 6));
+ }
+ }
+}
+
+void vp9_idct32x32_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
+ int i, j;
+ tran_high_t a1;
+
+ tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8);
+ out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8);
+ a1 = ROUND_POWER_OF_TWO(out, 6);
+
+ for (j = 0; j < 32; ++j) {
+ for (i = 0; i < 32; ++i)
+ dest[i] = clip_pixel_add(dest[i], a1);
+ dest += stride;
+ }
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp9_highbd_iwht4x4_16_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ /* 4-point reversible, orthonormal inverse Walsh-Hadamard in 3.5 adds,
+ 0.5 shifts per pixel. */
+ int i;
+ tran_low_t output[16];
+ tran_high_t a1, b1, c1, d1, e1;
+ const tran_low_t *ip = input;
+ tran_low_t *op = output;
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ for (i = 0; i < 4; i++) {
+ a1 = ip[0] >> UNIT_QUANT_SHIFT;
+ c1 = ip[1] >> UNIT_QUANT_SHIFT;
+ d1 = ip[2] >> UNIT_QUANT_SHIFT;
+ b1 = ip[3] >> UNIT_QUANT_SHIFT;
+ a1 += c1;
+ d1 -= b1;
+ e1 = (a1 - d1) >> 1;
+ b1 = e1 - b1;
+ c1 = e1 - c1;
+ a1 -= b1;
+ d1 += c1;
+ op[0] = WRAPLOW(a1, bd);
+ op[1] = WRAPLOW(b1, bd);
+ op[2] = WRAPLOW(c1, bd);
+ op[3] = WRAPLOW(d1, bd);
+ ip += 4;
+ op += 4;
+ }
+
+ ip = output;
+ for (i = 0; i < 4; i++) {
+ a1 = ip[4 * 0];
+ c1 = ip[4 * 1];
+ d1 = ip[4 * 2];
+ b1 = ip[4 * 3];
+ a1 += c1;
+ d1 -= b1;
+ e1 = (a1 - d1) >> 1;
+ b1 = e1 - b1;
+ c1 = e1 - c1;
+ a1 -= b1;
+ d1 += c1;
+ dest[stride * 0] = highbd_clip_pixel_add(dest[stride * 0], a1, bd);
+ dest[stride * 1] = highbd_clip_pixel_add(dest[stride * 1], b1, bd);
+ dest[stride * 2] = highbd_clip_pixel_add(dest[stride * 2], c1, bd);
+ dest[stride * 3] = highbd_clip_pixel_add(dest[stride * 3], d1, bd);
+
+ ip++;
+ dest++;
+ }
+}
+
+void vp9_highbd_iwht4x4_1_add_c(const tran_low_t *in, uint8_t *dest8,
+ int dest_stride, int bd) {
+ int i;
+ tran_high_t a1, e1;
+ tran_low_t tmp[4];
+ const tran_low_t *ip = in;
+ tran_low_t *op = tmp;
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+ (void) bd;
+
+ a1 = ip[0] >> UNIT_QUANT_SHIFT;
+ e1 = a1 >> 1;
+ a1 -= e1;
+ op[0] = WRAPLOW(a1, bd);
+ op[1] = op[2] = op[3] = WRAPLOW(e1, bd);
+
+ ip = tmp;
+ for (i = 0; i < 4; i++) {
+ e1 = ip[0] >> 1;
+ a1 = ip[0] - e1;
+ dest[dest_stride * 0] = highbd_clip_pixel_add(
+ dest[dest_stride * 0], a1, bd);
+ dest[dest_stride * 1] = highbd_clip_pixel_add(
+ dest[dest_stride * 1], e1, bd);
+ dest[dest_stride * 2] = highbd_clip_pixel_add(
+ dest[dest_stride * 2], e1, bd);
+ dest[dest_stride * 3] = highbd_clip_pixel_add(
+ dest[dest_stride * 3], e1, bd);
+ ip++;
+ dest++;
+ }
+}
+
+void vp9_highbd_idct4_c(const tran_low_t *input, tran_low_t *output, int bd) {
+ tran_low_t step[4];
+ tran_high_t temp1, temp2;
+ (void) bd;
+ // stage 1
+ temp1 = (input[0] + input[2]) * cospi_16_64;
+ temp2 = (input[0] - input[2]) * cospi_16_64;
+ step[0] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step[1] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = input[1] * cospi_24_64 - input[3] * cospi_8_64;
+ temp2 = input[1] * cospi_8_64 + input[3] * cospi_24_64;
+ step[2] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step[3] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ // stage 2
+ output[0] = WRAPLOW(step[0] + step[3], bd);
+ output[1] = WRAPLOW(step[1] + step[2], bd);
+ output[2] = WRAPLOW(step[1] - step[2], bd);
+ output[3] = WRAPLOW(step[0] - step[3], bd);
+}
+
+void vp9_highbd_idct4x4_16_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[4 * 4];
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[4], temp_out[4];
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ // Rows
+ for (i = 0; i < 4; ++i) {
+ vp9_highbd_idct4_c(input, outptr, bd);
+ input += 4;
+ outptr += 4;
+ }
+
+ // Columns
+ for (i = 0; i < 4; ++i) {
+ for (j = 0; j < 4; ++j)
+ temp_in[j] = out[j * 4 + i];
+ vp9_highbd_idct4_c(temp_in, temp_out, bd);
+ for (j = 0; j < 4; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 4), bd);
+ }
+ }
+}
+
+void vp9_highbd_idct4x4_1_add_c(const tran_low_t *input, uint8_t *dest8,
+ int dest_stride, int bd) {
+ int i;
+ tran_high_t a1;
+ tran_low_t out = WRAPLOW(
+ highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd);
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd);
+ a1 = ROUND_POWER_OF_TWO(out, 4);
+
+ for (i = 0; i < 4; i++) {
+ dest[0] = highbd_clip_pixel_add(dest[0], a1, bd);
+ dest[1] = highbd_clip_pixel_add(dest[1], a1, bd);
+ dest[2] = highbd_clip_pixel_add(dest[2], a1, bd);
+ dest[3] = highbd_clip_pixel_add(dest[3], a1, bd);
+ dest += dest_stride;
+ }
+}
+
+void vp9_highbd_idct8_c(const tran_low_t *input, tran_low_t *output, int bd) {
+ tran_low_t step1[8], step2[8];
+ tran_high_t temp1, temp2;
+ // stage 1
+ step1[0] = input[0];
+ step1[2] = input[4];
+ step1[1] = input[2];
+ step1[3] = input[6];
+ temp1 = input[1] * cospi_28_64 - input[7] * cospi_4_64;
+ temp2 = input[1] * cospi_4_64 + input[7] * cospi_28_64;
+ step1[4] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[7] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = input[5] * cospi_12_64 - input[3] * cospi_20_64;
+ temp2 = input[5] * cospi_20_64 + input[3] * cospi_12_64;
+ step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ // stage 2 & stage 3 - even half
+ vp9_highbd_idct4_c(step1, step1, bd);
+
+ // stage 2 - odd half
+ step2[4] = WRAPLOW(step1[4] + step1[5], bd);
+ step2[5] = WRAPLOW(step1[4] - step1[5], bd);
+ step2[6] = WRAPLOW(-step1[6] + step1[7], bd);
+ step2[7] = WRAPLOW(step1[6] + step1[7], bd);
+
+ // stage 3 - odd half
+ step1[4] = step2[4];
+ temp1 = (step2[6] - step2[5]) * cospi_16_64;
+ temp2 = (step2[5] + step2[6]) * cospi_16_64;
+ step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step1[7] = step2[7];
+
+ // stage 4
+ output[0] = WRAPLOW(step1[0] + step1[7], bd);
+ output[1] = WRAPLOW(step1[1] + step1[6], bd);
+ output[2] = WRAPLOW(step1[2] + step1[5], bd);
+ output[3] = WRAPLOW(step1[3] + step1[4], bd);
+ output[4] = WRAPLOW(step1[3] - step1[4], bd);
+ output[5] = WRAPLOW(step1[2] - step1[5], bd);
+ output[6] = WRAPLOW(step1[1] - step1[6], bd);
+ output[7] = WRAPLOW(step1[0] - step1[7], bd);
+}
+
+void vp9_highbd_idct8x8_64_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[8 * 8];
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[8], temp_out[8];
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ // First transform rows.
+ for (i = 0; i < 8; ++i) {
+ vp9_highbd_idct8_c(input, outptr, bd);
+ input += 8;
+ outptr += 8;
+ }
+
+ // Then transform columns.
+ for (i = 0; i < 8; ++i) {
+ for (j = 0; j < 8; ++j)
+ temp_in[j] = out[j * 8 + i];
+ vp9_highbd_idct8_c(temp_in, temp_out, bd);
+ for (j = 0; j < 8; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
+ }
+ }
+}
+
+void vp9_highbd_idct8x8_1_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ int i, j;
+ tran_high_t a1;
+ tran_low_t out = WRAPLOW(
+ highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd);
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+ out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd);
+ a1 = ROUND_POWER_OF_TWO(out, 5);
+ for (j = 0; j < 8; ++j) {
+ for (i = 0; i < 8; ++i)
+ dest[i] = highbd_clip_pixel_add(dest[i], a1, bd);
+ dest += stride;
+ }
+}
+
+void highbd_iadst4_c(const tran_low_t *input, tran_low_t *output, int bd) {
+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
+
+ tran_low_t x0 = input[0];
+ tran_low_t x1 = input[1];
+ tran_low_t x2 = input[2];
+ tran_low_t x3 = input[3];
+ (void) bd;
+
+ if (!(x0 | x1 | x2 | x3)) {
+ memset(output, 0, 4 * sizeof(*output));
+ return;
+ }
+
+ s0 = sinpi_1_9 * x0;
+ s1 = sinpi_2_9 * x0;
+ s2 = sinpi_3_9 * x1;
+ s3 = sinpi_4_9 * x2;
+ s4 = sinpi_1_9 * x2;
+ s5 = sinpi_2_9 * x3;
+ s6 = sinpi_4_9 * x3;
+ s7 = (tran_high_t)(x0 - x2 + x3);
+
+ s0 = s0 + s3 + s5;
+ s1 = s1 - s4 - s6;
+ s3 = s2;
+ s2 = sinpi_3_9 * s7;
+
+ // 1-D transform scaling factor is sqrt(2).
+ // The overall dynamic range is 14b (input) + 14b (multiplication scaling)
+ // + 1b (addition) = 29b.
+ // Hence the output bit depth is 15b.
+ output[0] = WRAPLOW(highbd_dct_const_round_shift(s0 + s3, bd), bd);
+ output[1] = WRAPLOW(highbd_dct_const_round_shift(s1 + s3, bd), bd);
+ output[2] = WRAPLOW(highbd_dct_const_round_shift(s2, bd), bd);
+ output[3] = WRAPLOW(highbd_dct_const_round_shift(s0 + s1 - s3, bd), bd);
+}
+
+void highbd_iadst8_c(const tran_low_t *input, tran_low_t *output, int bd) {
+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
+
+ tran_low_t x0 = input[7];
+ tran_low_t x1 = input[0];
+ tran_low_t x2 = input[5];
+ tran_low_t x3 = input[2];
+ tran_low_t x4 = input[3];
+ tran_low_t x5 = input[4];
+ tran_low_t x6 = input[1];
+ tran_low_t x7 = input[6];
+ (void) bd;
+
+ if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {
+ memset(output, 0, 8 * sizeof(*output));
+ return;
+ }
+
+ // stage 1
+ s0 = cospi_2_64 * x0 + cospi_30_64 * x1;
+ s1 = cospi_30_64 * x0 - cospi_2_64 * x1;
+ s2 = cospi_10_64 * x2 + cospi_22_64 * x3;
+ s3 = cospi_22_64 * x2 - cospi_10_64 * x3;
+ s4 = cospi_18_64 * x4 + cospi_14_64 * x5;
+ s5 = cospi_14_64 * x4 - cospi_18_64 * x5;
+ s6 = cospi_26_64 * x6 + cospi_6_64 * x7;
+ s7 = cospi_6_64 * x6 - cospi_26_64 * x7;
+
+ x0 = WRAPLOW(highbd_dct_const_round_shift(s0 + s4, bd), bd);
+ x1 = WRAPLOW(highbd_dct_const_round_shift(s1 + s5, bd), bd);
+ x2 = WRAPLOW(highbd_dct_const_round_shift(s2 + s6, bd), bd);
+ x3 = WRAPLOW(highbd_dct_const_round_shift(s3 + s7, bd), bd);
+ x4 = WRAPLOW(highbd_dct_const_round_shift(s0 - s4, bd), bd);
+ x5 = WRAPLOW(highbd_dct_const_round_shift(s1 - s5, bd), bd);
+ x6 = WRAPLOW(highbd_dct_const_round_shift(s2 - s6, bd), bd);
+ x7 = WRAPLOW(highbd_dct_const_round_shift(s3 - s7, bd), bd);
+
+ // stage 2
+ s0 = x0;
+ s1 = x1;
+ s2 = x2;
+ s3 = x3;
+ s4 = cospi_8_64 * x4 + cospi_24_64 * x5;
+ s5 = cospi_24_64 * x4 - cospi_8_64 * x5;
+ s6 = -cospi_24_64 * x6 + cospi_8_64 * x7;
+ s7 = cospi_8_64 * x6 + cospi_24_64 * x7;
+
+ x0 = WRAPLOW(s0 + s2, bd);
+ x1 = WRAPLOW(s1 + s3, bd);
+ x2 = WRAPLOW(s0 - s2, bd);
+ x3 = WRAPLOW(s1 - s3, bd);
+ x4 = WRAPLOW(highbd_dct_const_round_shift(s4 + s6, bd), bd);
+ x5 = WRAPLOW(highbd_dct_const_round_shift(s5 + s7, bd), bd);
+ x6 = WRAPLOW(highbd_dct_const_round_shift(s4 - s6, bd), bd);
+ x7 = WRAPLOW(highbd_dct_const_round_shift(s5 - s7, bd), bd);
+
+ // stage 3
+ s2 = cospi_16_64 * (x2 + x3);
+ s3 = cospi_16_64 * (x2 - x3);
+ s6 = cospi_16_64 * (x6 + x7);
+ s7 = cospi_16_64 * (x6 - x7);
+
+ x2 = WRAPLOW(highbd_dct_const_round_shift(s2, bd), bd);
+ x3 = WRAPLOW(highbd_dct_const_round_shift(s3, bd), bd);
+ x6 = WRAPLOW(highbd_dct_const_round_shift(s6, bd), bd);
+ x7 = WRAPLOW(highbd_dct_const_round_shift(s7, bd), bd);
+
+ output[0] = WRAPLOW(x0, bd);
+ output[1] = WRAPLOW(-x4, bd);
+ output[2] = WRAPLOW(x6, bd);
+ output[3] = WRAPLOW(-x2, bd);
+ output[4] = WRAPLOW(x3, bd);
+ output[5] = WRAPLOW(-x7, bd);
+ output[6] = WRAPLOW(x5, bd);
+ output[7] = WRAPLOW(-x1, bd);
+}
+
+void vp9_highbd_idct8x8_10_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[8 * 8] = { 0 };
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[8], temp_out[8];
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ // First transform rows.
+ // Only first 4 row has non-zero coefs.
+ for (i = 0; i < 4; ++i) {
+ vp9_highbd_idct8_c(input, outptr, bd);
+ input += 8;
+ outptr += 8;
+ }
+ // Then transform columns.
+ for (i = 0; i < 8; ++i) {
+ for (j = 0; j < 8; ++j)
+ temp_in[j] = out[j * 8 + i];
+ vp9_highbd_idct8_c(temp_in, temp_out, bd);
+ for (j = 0; j < 8; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
+ }
+ }
+}
+
+void vp9_highbd_idct16_c(const tran_low_t *input, tran_low_t *output, int bd) {
+ tran_low_t step1[16], step2[16];
+ tran_high_t temp1, temp2;
+ (void) bd;
+
+ // stage 1
+ step1[0] = input[0/2];
+ step1[1] = input[16/2];
+ step1[2] = input[8/2];
+ step1[3] = input[24/2];
+ step1[4] = input[4/2];
+ step1[5] = input[20/2];
+ step1[6] = input[12/2];
+ step1[7] = input[28/2];
+ step1[8] = input[2/2];
+ step1[9] = input[18/2];
+ step1[10] = input[10/2];
+ step1[11] = input[26/2];
+ step1[12] = input[6/2];
+ step1[13] = input[22/2];
+ step1[14] = input[14/2];
+ step1[15] = input[30/2];
+
+ // stage 2
+ step2[0] = step1[0];
+ step2[1] = step1[1];
+ step2[2] = step1[2];
+ step2[3] = step1[3];
+ step2[4] = step1[4];
+ step2[5] = step1[5];
+ step2[6] = step1[6];
+ step2[7] = step1[7];
+
+ temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
+ temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
+ step2[8] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[15] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
+ temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
+ step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
+ temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
+ step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
+ temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
+ step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ // stage 3
+ step1[0] = step2[0];
+ step1[1] = step2[1];
+ step1[2] = step2[2];
+ step1[3] = step2[3];
+
+ temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
+ temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
+ step1[4] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[7] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
+ temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
+ step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ step1[8] = WRAPLOW(step2[8] + step2[9], bd);
+ step1[9] = WRAPLOW(step2[8] - step2[9], bd);
+ step1[10] = WRAPLOW(-step2[10] + step2[11], bd);
+ step1[11] = WRAPLOW(step2[10] + step2[11], bd);
+ step1[12] = WRAPLOW(step2[12] + step2[13], bd);
+ step1[13] = WRAPLOW(step2[12] - step2[13], bd);
+ step1[14] = WRAPLOW(-step2[14] + step2[15], bd);
+ step1[15] = WRAPLOW(step2[14] + step2[15], bd);
+
+ // stage 4
+ temp1 = (step1[0] + step1[1]) * cospi_16_64;
+ temp2 = (step1[0] - step1[1]) * cospi_16_64;
+ step2[0] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[1] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
+ temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
+ step2[2] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[3] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step2[4] = WRAPLOW(step1[4] + step1[5], bd);
+ step2[5] = WRAPLOW(step1[4] - step1[5], bd);
+ step2[6] = WRAPLOW(-step1[6] + step1[7], bd);
+ step2[7] = WRAPLOW(step1[6] + step1[7], bd);
+
+ step2[8] = step1[8];
+ step2[15] = step1[15];
+ temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
+ temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
+ step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
+ temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
+ step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step2[11] = step1[11];
+ step2[12] = step1[12];
+
+ // stage 5
+ step1[0] = WRAPLOW(step2[0] + step2[3], bd);
+ step1[1] = WRAPLOW(step2[1] + step2[2], bd);
+ step1[2] = WRAPLOW(step2[1] - step2[2], bd);
+ step1[3] = WRAPLOW(step2[0] - step2[3], bd);
+ step1[4] = step2[4];
+ temp1 = (step2[6] - step2[5]) * cospi_16_64;
+ temp2 = (step2[5] + step2[6]) * cospi_16_64;
+ step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step1[7] = step2[7];
+
+ step1[8] = WRAPLOW(step2[8] + step2[11], bd);
+ step1[9] = WRAPLOW(step2[9] + step2[10], bd);
+ step1[10] = WRAPLOW(step2[9] - step2[10], bd);
+ step1[11] = WRAPLOW(step2[8] - step2[11], bd);
+ step1[12] = WRAPLOW(-step2[12] + step2[15], bd);
+ step1[13] = WRAPLOW(-step2[13] + step2[14], bd);
+ step1[14] = WRAPLOW(step2[13] + step2[14], bd);
+ step1[15] = WRAPLOW(step2[12] + step2[15], bd);
+
+ // stage 6
+ step2[0] = WRAPLOW(step1[0] + step1[7], bd);
+ step2[1] = WRAPLOW(step1[1] + step1[6], bd);
+ step2[2] = WRAPLOW(step1[2] + step1[5], bd);
+ step2[3] = WRAPLOW(step1[3] + step1[4], bd);
+ step2[4] = WRAPLOW(step1[3] - step1[4], bd);
+ step2[5] = WRAPLOW(step1[2] - step1[5], bd);
+ step2[6] = WRAPLOW(step1[1] - step1[6], bd);
+ step2[7] = WRAPLOW(step1[0] - step1[7], bd);
+ step2[8] = step1[8];
+ step2[9] = step1[9];
+ temp1 = (-step1[10] + step1[13]) * cospi_16_64;
+ temp2 = (step1[10] + step1[13]) * cospi_16_64;
+ step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = (-step1[11] + step1[12]) * cospi_16_64;
+ temp2 = (step1[11] + step1[12]) * cospi_16_64;
+ step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step2[14] = step1[14];
+ step2[15] = step1[15];
+
+ // stage 7
+ output[0] = WRAPLOW(step2[0] + step2[15], bd);
+ output[1] = WRAPLOW(step2[1] + step2[14], bd);
+ output[2] = WRAPLOW(step2[2] + step2[13], bd);
+ output[3] = WRAPLOW(step2[3] + step2[12], bd);
+ output[4] = WRAPLOW(step2[4] + step2[11], bd);
+ output[5] = WRAPLOW(step2[5] + step2[10], bd);
+ output[6] = WRAPLOW(step2[6] + step2[9], bd);
+ output[7] = WRAPLOW(step2[7] + step2[8], bd);
+ output[8] = WRAPLOW(step2[7] - step2[8], bd);
+ output[9] = WRAPLOW(step2[6] - step2[9], bd);
+ output[10] = WRAPLOW(step2[5] - step2[10], bd);
+ output[11] = WRAPLOW(step2[4] - step2[11], bd);
+ output[12] = WRAPLOW(step2[3] - step2[12], bd);
+ output[13] = WRAPLOW(step2[2] - step2[13], bd);
+ output[14] = WRAPLOW(step2[1] - step2[14], bd);
+ output[15] = WRAPLOW(step2[0] - step2[15], bd);
+}
+
+void vp9_highbd_idct16x16_256_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[16 * 16];
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[16], temp_out[16];
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ // First transform rows.
+ for (i = 0; i < 16; ++i) {
+ vp9_highbd_idct16_c(input, outptr, bd);
+ input += 16;
+ outptr += 16;
+ }
+
+ // Then transform columns.
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j)
+ temp_in[j] = out[j * 16 + i];
+ vp9_highbd_idct16_c(temp_in, temp_out, bd);
+ for (j = 0; j < 16; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
+ }
+ }
+}
+
+void highbd_iadst16_c(const tran_low_t *input, tran_low_t *output, int bd) {
+ tran_high_t s0, s1, s2, s3, s4, s5, s6, s7, s8;
+ tran_high_t s9, s10, s11, s12, s13, s14, s15;
+
+ tran_low_t x0 = input[15];
+ tran_low_t x1 = input[0];
+ tran_low_t x2 = input[13];
+ tran_low_t x3 = input[2];
+ tran_low_t x4 = input[11];
+ tran_low_t x5 = input[4];
+ tran_low_t x6 = input[9];
+ tran_low_t x7 = input[6];
+ tran_low_t x8 = input[7];
+ tran_low_t x9 = input[8];
+ tran_low_t x10 = input[5];
+ tran_low_t x11 = input[10];
+ tran_low_t x12 = input[3];
+ tran_low_t x13 = input[12];
+ tran_low_t x14 = input[1];
+ tran_low_t x15 = input[14];
+ (void) bd;
+
+ if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8
+ | x9 | x10 | x11 | x12 | x13 | x14 | x15)) {
+ memset(output, 0, 16 * sizeof(*output));
+ return;
+ }
+
+ // stage 1
+ s0 = x0 * cospi_1_64 + x1 * cospi_31_64;
+ s1 = x0 * cospi_31_64 - x1 * cospi_1_64;
+ s2 = x2 * cospi_5_64 + x3 * cospi_27_64;
+ s3 = x2 * cospi_27_64 - x3 * cospi_5_64;
+ s4 = x4 * cospi_9_64 + x5 * cospi_23_64;
+ s5 = x4 * cospi_23_64 - x5 * cospi_9_64;
+ s6 = x6 * cospi_13_64 + x7 * cospi_19_64;
+ s7 = x6 * cospi_19_64 - x7 * cospi_13_64;
+ s8 = x8 * cospi_17_64 + x9 * cospi_15_64;
+ s9 = x8 * cospi_15_64 - x9 * cospi_17_64;
+ s10 = x10 * cospi_21_64 + x11 * cospi_11_64;
+ s11 = x10 * cospi_11_64 - x11 * cospi_21_64;
+ s12 = x12 * cospi_25_64 + x13 * cospi_7_64;
+ s13 = x12 * cospi_7_64 - x13 * cospi_25_64;
+ s14 = x14 * cospi_29_64 + x15 * cospi_3_64;
+ s15 = x14 * cospi_3_64 - x15 * cospi_29_64;
+
+ x0 = WRAPLOW(highbd_dct_const_round_shift(s0 + s8, bd), bd);
+ x1 = WRAPLOW(highbd_dct_const_round_shift(s1 + s9, bd), bd);
+ x2 = WRAPLOW(highbd_dct_const_round_shift(s2 + s10, bd), bd);
+ x3 = WRAPLOW(highbd_dct_const_round_shift(s3 + s11, bd), bd);
+ x4 = WRAPLOW(highbd_dct_const_round_shift(s4 + s12, bd), bd);
+ x5 = WRAPLOW(highbd_dct_const_round_shift(s5 + s13, bd), bd);
+ x6 = WRAPLOW(highbd_dct_const_round_shift(s6 + s14, bd), bd);
+ x7 = WRAPLOW(highbd_dct_const_round_shift(s7 + s15, bd), bd);
+ x8 = WRAPLOW(highbd_dct_const_round_shift(s0 - s8, bd), bd);
+ x9 = WRAPLOW(highbd_dct_const_round_shift(s1 - s9, bd), bd);
+ x10 = WRAPLOW(highbd_dct_const_round_shift(s2 - s10, bd), bd);
+ x11 = WRAPLOW(highbd_dct_const_round_shift(s3 - s11, bd), bd);
+ x12 = WRAPLOW(highbd_dct_const_round_shift(s4 - s12, bd), bd);
+ x13 = WRAPLOW(highbd_dct_const_round_shift(s5 - s13, bd), bd);
+ x14 = WRAPLOW(highbd_dct_const_round_shift(s6 - s14, bd), bd);
+ x15 = WRAPLOW(highbd_dct_const_round_shift(s7 - s15, bd), bd);
+
+ // stage 2
+ s0 = x0;
+ s1 = x1;
+ s2 = x2;
+ s3 = x3;
+ s4 = x4;
+ s5 = x5;
+ s6 = x6;
+ s7 = x7;
+ s8 = x8 * cospi_4_64 + x9 * cospi_28_64;
+ s9 = x8 * cospi_28_64 - x9 * cospi_4_64;
+ s10 = x10 * cospi_20_64 + x11 * cospi_12_64;
+ s11 = x10 * cospi_12_64 - x11 * cospi_20_64;
+ s12 = -x12 * cospi_28_64 + x13 * cospi_4_64;
+ s13 = x12 * cospi_4_64 + x13 * cospi_28_64;
+ s14 = -x14 * cospi_12_64 + x15 * cospi_20_64;
+ s15 = x14 * cospi_20_64 + x15 * cospi_12_64;
+
+ x0 = WRAPLOW(s0 + s4, bd);
+ x1 = WRAPLOW(s1 + s5, bd);
+ x2 = WRAPLOW(s2 + s6, bd);
+ x3 = WRAPLOW(s3 + s7, bd);
+ x4 = WRAPLOW(s0 - s4, bd);
+ x5 = WRAPLOW(s1 - s5, bd);
+ x6 = WRAPLOW(s2 - s6, bd);
+ x7 = WRAPLOW(s3 - s7, bd);
+ x8 = WRAPLOW(highbd_dct_const_round_shift(s8 + s12, bd), bd);
+ x9 = WRAPLOW(highbd_dct_const_round_shift(s9 + s13, bd), bd);
+ x10 = WRAPLOW(highbd_dct_const_round_shift(s10 + s14, bd), bd);
+ x11 = WRAPLOW(highbd_dct_const_round_shift(s11 + s15, bd), bd);
+ x12 = WRAPLOW(highbd_dct_const_round_shift(s8 - s12, bd), bd);
+ x13 = WRAPLOW(highbd_dct_const_round_shift(s9 - s13, bd), bd);
+ x14 = WRAPLOW(highbd_dct_const_round_shift(s10 - s14, bd), bd);
+ x15 = WRAPLOW(highbd_dct_const_round_shift(s11 - s15, bd), bd);
+
+ // stage 3
+ s0 = x0;
+ s1 = x1;
+ s2 = x2;
+ s3 = x3;
+ s4 = x4 * cospi_8_64 + x5 * cospi_24_64;
+ s5 = x4 * cospi_24_64 - x5 * cospi_8_64;
+ s6 = -x6 * cospi_24_64 + x7 * cospi_8_64;
+ s7 = x6 * cospi_8_64 + x7 * cospi_24_64;
+ s8 = x8;
+ s9 = x9;
+ s10 = x10;
+ s11 = x11;
+ s12 = x12 * cospi_8_64 + x13 * cospi_24_64;
+ s13 = x12 * cospi_24_64 - x13 * cospi_8_64;
+ s14 = -x14 * cospi_24_64 + x15 * cospi_8_64;
+ s15 = x14 * cospi_8_64 + x15 * cospi_24_64;
+
+ x0 = WRAPLOW(s0 + s2, bd);
+ x1 = WRAPLOW(s1 + s3, bd);
+ x2 = WRAPLOW(s0 - s2, bd);
+ x3 = WRAPLOW(s1 - s3, bd);
+ x4 = WRAPLOW(highbd_dct_const_round_shift(s4 + s6, bd), bd);
+ x5 = WRAPLOW(highbd_dct_const_round_shift(s5 + s7, bd), bd);
+ x6 = WRAPLOW(highbd_dct_const_round_shift(s4 - s6, bd), bd);
+ x7 = WRAPLOW(highbd_dct_const_round_shift(s5 - s7, bd), bd);
+ x8 = WRAPLOW(s8 + s10, bd);
+ x9 = WRAPLOW(s9 + s11, bd);
+ x10 = WRAPLOW(s8 - s10, bd);
+ x11 = WRAPLOW(s9 - s11, bd);
+ x12 = WRAPLOW(highbd_dct_const_round_shift(s12 + s14, bd), bd);
+ x13 = WRAPLOW(highbd_dct_const_round_shift(s13 + s15, bd), bd);
+ x14 = WRAPLOW(highbd_dct_const_round_shift(s12 - s14, bd), bd);
+ x15 = WRAPLOW(highbd_dct_const_round_shift(s13 - s15, bd), bd);
+
+ // stage 4
+ s2 = (- cospi_16_64) * (x2 + x3);
+ s3 = cospi_16_64 * (x2 - x3);
+ s6 = cospi_16_64 * (x6 + x7);
+ s7 = cospi_16_64 * (-x6 + x7);
+ s10 = cospi_16_64 * (x10 + x11);
+ s11 = cospi_16_64 * (-x10 + x11);
+ s14 = (- cospi_16_64) * (x14 + x15);
+ s15 = cospi_16_64 * (x14 - x15);
+
+ x2 = WRAPLOW(highbd_dct_const_round_shift(s2, bd), bd);
+ x3 = WRAPLOW(highbd_dct_const_round_shift(s3, bd), bd);
+ x6 = WRAPLOW(highbd_dct_const_round_shift(s6, bd), bd);
+ x7 = WRAPLOW(highbd_dct_const_round_shift(s7, bd), bd);
+ x10 = WRAPLOW(highbd_dct_const_round_shift(s10, bd), bd);
+ x11 = WRAPLOW(highbd_dct_const_round_shift(s11, bd), bd);
+ x14 = WRAPLOW(highbd_dct_const_round_shift(s14, bd), bd);
+ x15 = WRAPLOW(highbd_dct_const_round_shift(s15, bd), bd);
+
+ output[0] = WRAPLOW(x0, bd);
+ output[1] = WRAPLOW(-x8, bd);
+ output[2] = WRAPLOW(x12, bd);
+ output[3] = WRAPLOW(-x4, bd);
+ output[4] = WRAPLOW(x6, bd);
+ output[5] = WRAPLOW(x14, bd);
+ output[6] = WRAPLOW(x10, bd);
+ output[7] = WRAPLOW(x2, bd);
+ output[8] = WRAPLOW(x3, bd);
+ output[9] = WRAPLOW(x11, bd);
+ output[10] = WRAPLOW(x15, bd);
+ output[11] = WRAPLOW(x7, bd);
+ output[12] = WRAPLOW(x5, bd);
+ output[13] = WRAPLOW(-x13, bd);
+ output[14] = WRAPLOW(x9, bd);
+ output[15] = WRAPLOW(-x1, bd);
+}
+
+void vp9_highbd_idct16x16_10_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[16 * 16] = { 0 };
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[16], temp_out[16];
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ // First transform rows. Since all non-zero dct coefficients are in
+ // upper-left 4x4 area, we only need to calculate first 4 rows here.
+ for (i = 0; i < 4; ++i) {
+ vp9_highbd_idct16_c(input, outptr, bd);
+ input += 16;
+ outptr += 16;
+ }
+
+ // Then transform columns.
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j)
+ temp_in[j] = out[j*16 + i];
+ vp9_highbd_idct16_c(temp_in, temp_out, bd);
+ for (j = 0; j < 16; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
+ }
+ }
+}
+
+void vp9_highbd_idct16x16_1_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ int i, j;
+ tran_high_t a1;
+ tran_low_t out = WRAPLOW(
+ highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd);
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd);
+ a1 = ROUND_POWER_OF_TWO(out, 6);
+ for (j = 0; j < 16; ++j) {
+ for (i = 0; i < 16; ++i)
+ dest[i] = highbd_clip_pixel_add(dest[i], a1, bd);
+ dest += stride;
+ }
+}
+
+void highbd_idct32_c(const tran_low_t *input, tran_low_t *output, int bd) {
+ tran_low_t step1[32], step2[32];
+ tran_high_t temp1, temp2;
+ (void) bd;
+
+ // stage 1
+ step1[0] = input[0];
+ step1[1] = input[16];
+ step1[2] = input[8];
+ step1[3] = input[24];
+ step1[4] = input[4];
+ step1[5] = input[20];
+ step1[6] = input[12];
+ step1[7] = input[28];
+ step1[8] = input[2];
+ step1[9] = input[18];
+ step1[10] = input[10];
+ step1[11] = input[26];
+ step1[12] = input[6];
+ step1[13] = input[22];
+ step1[14] = input[14];
+ step1[15] = input[30];
+
+ temp1 = input[1] * cospi_31_64 - input[31] * cospi_1_64;
+ temp2 = input[1] * cospi_1_64 + input[31] * cospi_31_64;
+ step1[16] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[31] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = input[17] * cospi_15_64 - input[15] * cospi_17_64;
+ temp2 = input[17] * cospi_17_64 + input[15] * cospi_15_64;
+ step1[17] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[30] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = input[9] * cospi_23_64 - input[23] * cospi_9_64;
+ temp2 = input[9] * cospi_9_64 + input[23] * cospi_23_64;
+ step1[18] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[29] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = input[25] * cospi_7_64 - input[7] * cospi_25_64;
+ temp2 = input[25] * cospi_25_64 + input[7] * cospi_7_64;
+ step1[19] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[28] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = input[5] * cospi_27_64 - input[27] * cospi_5_64;
+ temp2 = input[5] * cospi_5_64 + input[27] * cospi_27_64;
+ step1[20] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[27] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = input[21] * cospi_11_64 - input[11] * cospi_21_64;
+ temp2 = input[21] * cospi_21_64 + input[11] * cospi_11_64;
+ step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = input[13] * cospi_19_64 - input[19] * cospi_13_64;
+ temp2 = input[13] * cospi_13_64 + input[19] * cospi_19_64;
+ step1[22] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[25] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = input[29] * cospi_3_64 - input[3] * cospi_29_64;
+ temp2 = input[29] * cospi_29_64 + input[3] * cospi_3_64;
+ step1[23] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[24] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ // stage 2
+ step2[0] = step1[0];
+ step2[1] = step1[1];
+ step2[2] = step1[2];
+ step2[3] = step1[3];
+ step2[4] = step1[4];
+ step2[5] = step1[5];
+ step2[6] = step1[6];
+ step2[7] = step1[7];
+
+ temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
+ temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
+ step2[8] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[15] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
+ temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
+ step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
+ temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
+ step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
+ temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
+ step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ step2[16] = WRAPLOW(step1[16] + step1[17], bd);
+ step2[17] = WRAPLOW(step1[16] - step1[17], bd);
+ step2[18] = WRAPLOW(-step1[18] + step1[19], bd);
+ step2[19] = WRAPLOW(step1[18] + step1[19], bd);
+ step2[20] = WRAPLOW(step1[20] + step1[21], bd);
+ step2[21] = WRAPLOW(step1[20] - step1[21], bd);
+ step2[22] = WRAPLOW(-step1[22] + step1[23], bd);
+ step2[23] = WRAPLOW(step1[22] + step1[23], bd);
+ step2[24] = WRAPLOW(step1[24] + step1[25], bd);
+ step2[25] = WRAPLOW(step1[24] - step1[25], bd);
+ step2[26] = WRAPLOW(-step1[26] + step1[27], bd);
+ step2[27] = WRAPLOW(step1[26] + step1[27], bd);
+ step2[28] = WRAPLOW(step1[28] + step1[29], bd);
+ step2[29] = WRAPLOW(step1[28] - step1[29], bd);
+ step2[30] = WRAPLOW(-step1[30] + step1[31], bd);
+ step2[31] = WRAPLOW(step1[30] + step1[31], bd);
+
+ // stage 3
+ step1[0] = step2[0];
+ step1[1] = step2[1];
+ step1[2] = step2[2];
+ step1[3] = step2[3];
+
+ temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
+ temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
+ step1[4] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[7] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
+ temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
+ step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+
+ step1[8] = WRAPLOW(step2[8] + step2[9], bd);
+ step1[9] = WRAPLOW(step2[8] - step2[9], bd);
+ step1[10] = WRAPLOW(-step2[10] + step2[11], bd);
+ step1[11] = WRAPLOW(step2[10] + step2[11], bd);
+ step1[12] = WRAPLOW(step2[12] + step2[13], bd);
+ step1[13] = WRAPLOW(step2[12] - step2[13], bd);
+ step1[14] = WRAPLOW(-step2[14] + step2[15], bd);
+ step1[15] = WRAPLOW(step2[14] + step2[15], bd);
+
+ step1[16] = step2[16];
+ step1[31] = step2[31];
+ temp1 = -step2[17] * cospi_4_64 + step2[30] * cospi_28_64;
+ temp2 = step2[17] * cospi_28_64 + step2[30] * cospi_4_64;
+ step1[17] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[30] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = -step2[18] * cospi_28_64 - step2[29] * cospi_4_64;
+ temp2 = -step2[18] * cospi_4_64 + step2[29] * cospi_28_64;
+ step1[18] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[29] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step1[19] = step2[19];
+ step1[20] = step2[20];
+ temp1 = -step2[21] * cospi_20_64 + step2[26] * cospi_12_64;
+ temp2 = step2[21] * cospi_12_64 + step2[26] * cospi_20_64;
+ step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = -step2[22] * cospi_12_64 - step2[25] * cospi_20_64;
+ temp2 = -step2[22] * cospi_20_64 + step2[25] * cospi_12_64;
+ step1[22] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[25] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step1[23] = step2[23];
+ step1[24] = step2[24];
+ step1[27] = step2[27];
+ step1[28] = step2[28];
+
+ // stage 4
+ temp1 = (step1[0] + step1[1]) * cospi_16_64;
+ temp2 = (step1[0] - step1[1]) * cospi_16_64;
+ step2[0] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[1] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
+ temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
+ step2[2] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[3] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step2[4] = WRAPLOW(step1[4] + step1[5], bd);
+ step2[5] = WRAPLOW(step1[4] - step1[5], bd);
+ step2[6] = WRAPLOW(-step1[6] + step1[7], bd);
+ step2[7] = WRAPLOW(step1[6] + step1[7], bd);
+
+ step2[8] = step1[8];
+ step2[15] = step1[15];
+ temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
+ temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
+ step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
+ temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
+ step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step2[11] = step1[11];
+ step2[12] = step1[12];
+
+ step2[16] = WRAPLOW(step1[16] + step1[19], bd);
+ step2[17] = WRAPLOW(step1[17] + step1[18], bd);
+ step2[18] = WRAPLOW(step1[17] - step1[18], bd);
+ step2[19] = WRAPLOW(step1[16] - step1[19], bd);
+ step2[20] = WRAPLOW(-step1[20] + step1[23], bd);
+ step2[21] = WRAPLOW(-step1[21] + step1[22], bd);
+ step2[22] = WRAPLOW(step1[21] + step1[22], bd);
+ step2[23] = WRAPLOW(step1[20] + step1[23], bd);
+
+ step2[24] = WRAPLOW(step1[24] + step1[27], bd);
+ step2[25] = WRAPLOW(step1[25] + step1[26], bd);
+ step2[26] = WRAPLOW(step1[25] - step1[26], bd);
+ step2[27] = WRAPLOW(step1[24] - step1[27], bd);
+ step2[28] = WRAPLOW(-step1[28] + step1[31], bd);
+ step2[29] = WRAPLOW(-step1[29] + step1[30], bd);
+ step2[30] = WRAPLOW(step1[29] + step1[30], bd);
+ step2[31] = WRAPLOW(step1[28] + step1[31], bd);
+
+ // stage 5
+ step1[0] = WRAPLOW(step2[0] + step2[3], bd);
+ step1[1] = WRAPLOW(step2[1] + step2[2], bd);
+ step1[2] = WRAPLOW(step2[1] - step2[2], bd);
+ step1[3] = WRAPLOW(step2[0] - step2[3], bd);
+ step1[4] = step2[4];
+ temp1 = (step2[6] - step2[5]) * cospi_16_64;
+ temp2 = (step2[5] + step2[6]) * cospi_16_64;
+ step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step1[7] = step2[7];
+
+ step1[8] = WRAPLOW(step2[8] + step2[11], bd);
+ step1[9] = WRAPLOW(step2[9] + step2[10], bd);
+ step1[10] = WRAPLOW(step2[9] - step2[10], bd);
+ step1[11] = WRAPLOW(step2[8] - step2[11], bd);
+ step1[12] = WRAPLOW(-step2[12] + step2[15], bd);
+ step1[13] = WRAPLOW(-step2[13] + step2[14], bd);
+ step1[14] = WRAPLOW(step2[13] + step2[14], bd);
+ step1[15] = WRAPLOW(step2[12] + step2[15], bd);
+
+ step1[16] = step2[16];
+ step1[17] = step2[17];
+ temp1 = -step2[18] * cospi_8_64 + step2[29] * cospi_24_64;
+ temp2 = step2[18] * cospi_24_64 + step2[29] * cospi_8_64;
+ step1[18] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[29] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = -step2[19] * cospi_8_64 + step2[28] * cospi_24_64;
+ temp2 = step2[19] * cospi_24_64 + step2[28] * cospi_8_64;
+ step1[19] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[28] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = -step2[20] * cospi_24_64 - step2[27] * cospi_8_64;
+ temp2 = -step2[20] * cospi_8_64 + step2[27] * cospi_24_64;
+ step1[20] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[27] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = -step2[21] * cospi_24_64 - step2[26] * cospi_8_64;
+ temp2 = -step2[21] * cospi_8_64 + step2[26] * cospi_24_64;
+ step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step1[22] = step2[22];
+ step1[23] = step2[23];
+ step1[24] = step2[24];
+ step1[25] = step2[25];
+ step1[30] = step2[30];
+ step1[31] = step2[31];
+
+ // stage 6
+ step2[0] = WRAPLOW(step1[0] + step1[7], bd);
+ step2[1] = WRAPLOW(step1[1] + step1[6], bd);
+ step2[2] = WRAPLOW(step1[2] + step1[5], bd);
+ step2[3] = WRAPLOW(step1[3] + step1[4], bd);
+ step2[4] = WRAPLOW(step1[3] - step1[4], bd);
+ step2[5] = WRAPLOW(step1[2] - step1[5], bd);
+ step2[6] = WRAPLOW(step1[1] - step1[6], bd);
+ step2[7] = WRAPLOW(step1[0] - step1[7], bd);
+ step2[8] = step1[8];
+ step2[9] = step1[9];
+ temp1 = (-step1[10] + step1[13]) * cospi_16_64;
+ temp2 = (step1[10] + step1[13]) * cospi_16_64;
+ step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = (-step1[11] + step1[12]) * cospi_16_64;
+ temp2 = (step1[11] + step1[12]) * cospi_16_64;
+ step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step2[14] = step1[14];
+ step2[15] = step1[15];
+
+ step2[16] = WRAPLOW(step1[16] + step1[23], bd);
+ step2[17] = WRAPLOW(step1[17] + step1[22], bd);
+ step2[18] = WRAPLOW(step1[18] + step1[21], bd);
+ step2[19] = WRAPLOW(step1[19] + step1[20], bd);
+ step2[20] = WRAPLOW(step1[19] - step1[20], bd);
+ step2[21] = WRAPLOW(step1[18] - step1[21], bd);
+ step2[22] = WRAPLOW(step1[17] - step1[22], bd);
+ step2[23] = WRAPLOW(step1[16] - step1[23], bd);
+
+ step2[24] = WRAPLOW(-step1[24] + step1[31], bd);
+ step2[25] = WRAPLOW(-step1[25] + step1[30], bd);
+ step2[26] = WRAPLOW(-step1[26] + step1[29], bd);
+ step2[27] = WRAPLOW(-step1[27] + step1[28], bd);
+ step2[28] = WRAPLOW(step1[27] + step1[28], bd);
+ step2[29] = WRAPLOW(step1[26] + step1[29], bd);
+ step2[30] = WRAPLOW(step1[25] + step1[30], bd);
+ step2[31] = WRAPLOW(step1[24] + step1[31], bd);
+
+ // stage 7
+ step1[0] = WRAPLOW(step2[0] + step2[15], bd);
+ step1[1] = WRAPLOW(step2[1] + step2[14], bd);
+ step1[2] = WRAPLOW(step2[2] + step2[13], bd);
+ step1[3] = WRAPLOW(step2[3] + step2[12], bd);
+ step1[4] = WRAPLOW(step2[4] + step2[11], bd);
+ step1[5] = WRAPLOW(step2[5] + step2[10], bd);
+ step1[6] = WRAPLOW(step2[6] + step2[9], bd);
+ step1[7] = WRAPLOW(step2[7] + step2[8], bd);
+ step1[8] = WRAPLOW(step2[7] - step2[8], bd);
+ step1[9] = WRAPLOW(step2[6] - step2[9], bd);
+ step1[10] = WRAPLOW(step2[5] - step2[10], bd);
+ step1[11] = WRAPLOW(step2[4] - step2[11], bd);
+ step1[12] = WRAPLOW(step2[3] - step2[12], bd);
+ step1[13] = WRAPLOW(step2[2] - step2[13], bd);
+ step1[14] = WRAPLOW(step2[1] - step2[14], bd);
+ step1[15] = WRAPLOW(step2[0] - step2[15], bd);
+
+ step1[16] = step2[16];
+ step1[17] = step2[17];
+ step1[18] = step2[18];
+ step1[19] = step2[19];
+ temp1 = (-step2[20] + step2[27]) * cospi_16_64;
+ temp2 = (step2[20] + step2[27]) * cospi_16_64;
+ step1[20] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[27] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = (-step2[21] + step2[26]) * cospi_16_64;
+ temp2 = (step2[21] + step2[26]) * cospi_16_64;
+ step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = (-step2[22] + step2[25]) * cospi_16_64;
+ temp2 = (step2[22] + step2[25]) * cospi_16_64;
+ step1[22] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[25] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ temp1 = (-step2[23] + step2[24]) * cospi_16_64;
+ temp2 = (step2[23] + step2[24]) * cospi_16_64;
+ step1[23] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd);
+ step1[24] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd);
+ step1[28] = step2[28];
+ step1[29] = step2[29];
+ step1[30] = step2[30];
+ step1[31] = step2[31];
+
+ // final stage
+ output[0] = WRAPLOW(step1[0] + step1[31], bd);
+ output[1] = WRAPLOW(step1[1] + step1[30], bd);
+ output[2] = WRAPLOW(step1[2] + step1[29], bd);
+ output[3] = WRAPLOW(step1[3] + step1[28], bd);
+ output[4] = WRAPLOW(step1[4] + step1[27], bd);
+ output[5] = WRAPLOW(step1[5] + step1[26], bd);
+ output[6] = WRAPLOW(step1[6] + step1[25], bd);
+ output[7] = WRAPLOW(step1[7] + step1[24], bd);
+ output[8] = WRAPLOW(step1[8] + step1[23], bd);
+ output[9] = WRAPLOW(step1[9] + step1[22], bd);
+ output[10] = WRAPLOW(step1[10] + step1[21], bd);
+ output[11] = WRAPLOW(step1[11] + step1[20], bd);
+ output[12] = WRAPLOW(step1[12] + step1[19], bd);
+ output[13] = WRAPLOW(step1[13] + step1[18], bd);
+ output[14] = WRAPLOW(step1[14] + step1[17], bd);
+ output[15] = WRAPLOW(step1[15] + step1[16], bd);
+ output[16] = WRAPLOW(step1[15] - step1[16], bd);
+ output[17] = WRAPLOW(step1[14] - step1[17], bd);
+ output[18] = WRAPLOW(step1[13] - step1[18], bd);
+ output[19] = WRAPLOW(step1[12] - step1[19], bd);
+ output[20] = WRAPLOW(step1[11] - step1[20], bd);
+ output[21] = WRAPLOW(step1[10] - step1[21], bd);
+ output[22] = WRAPLOW(step1[9] - step1[22], bd);
+ output[23] = WRAPLOW(step1[8] - step1[23], bd);
+ output[24] = WRAPLOW(step1[7] - step1[24], bd);
+ output[25] = WRAPLOW(step1[6] - step1[25], bd);
+ output[26] = WRAPLOW(step1[5] - step1[26], bd);
+ output[27] = WRAPLOW(step1[4] - step1[27], bd);
+ output[28] = WRAPLOW(step1[3] - step1[28], bd);
+ output[29] = WRAPLOW(step1[2] - step1[29], bd);
+ output[30] = WRAPLOW(step1[1] - step1[30], bd);
+ output[31] = WRAPLOW(step1[0] - step1[31], bd);
+}
+
+void vp9_highbd_idct32x32_1024_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[32 * 32];
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[32], temp_out[32];
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ // Rows
+ for (i = 0; i < 32; ++i) {
+ tran_low_t zero_coeff[16];
+ for (j = 0; j < 16; ++j)
+ zero_coeff[j] = input[2 * j] | input[2 * j + 1];
+ for (j = 0; j < 8; ++j)
+ zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
+ for (j = 0; j < 4; ++j)
+ zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
+ for (j = 0; j < 2; ++j)
+ zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1];
+
+ if (zero_coeff[0] | zero_coeff[1])
+ highbd_idct32_c(input, outptr, bd);
+ else
+ memset(outptr, 0, sizeof(tran_low_t) * 32);
+ input += 32;
+ outptr += 32;
+ }
+
+ // Columns
+ for (i = 0; i < 32; ++i) {
+ for (j = 0; j < 32; ++j)
+ temp_in[j] = out[j * 32 + i];
+ highbd_idct32_c(temp_in, temp_out, bd);
+ for (j = 0; j < 32; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
+ }
+ }
+}
+
+void vp9_highbd_idct32x32_34_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[32 * 32] = {0};
+ tran_low_t *outptr = out;
+ int i, j;
+ tran_low_t temp_in[32], temp_out[32];
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ // Rows
+ // Only upper-left 8x8 has non-zero coeff.
+ for (i = 0; i < 8; ++i) {
+ highbd_idct32_c(input, outptr, bd);
+ input += 32;
+ outptr += 32;
+ }
+ // Columns
+ for (i = 0; i < 32; ++i) {
+ for (j = 0; j < 32; ++j)
+ temp_in[j] = out[j * 32 + i];
+ highbd_idct32_c(temp_in, temp_out, bd);
+ for (j = 0; j < 32; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
+ }
+ }
+}
+
+void vp9_highbd_idct32x32_1_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ int i, j;
+ int a1;
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ tran_low_t out = WRAPLOW(
+ highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd);
+ out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd);
+ a1 = ROUND_POWER_OF_TWO(out, 6);
+
+ for (j = 0; j < 32; ++j) {
+ for (i = 0; i < 32; ++i)
+ dest[i] = highbd_clip_pixel_add(dest[i], a1, bd);
+ dest += stride;
+ }
+}
+#endif // CONFIG_VP9_HIGHBITDEPTH
diff --git a/vpx_dsp/inv_txfm.h b/vpx_dsp/inv_txfm.h
new file mode 100644
index 0000000..b11039a
--- /dev/null
+++ b/vpx_dsp/inv_txfm.h
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VPX_DSP_INV_TXFM_H_
+#define VPX_DSP_INV_TXFM_H_
+
+#include <assert.h>
+
+#include "./vpx_config.h"
+#include "vpx_dsp/txfm_common.h"
+#include "vpx_ports/mem.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static INLINE tran_low_t check_range(tran_high_t input) {
+#if CONFIG_COEFFICIENT_RANGE_CHECKING
+ // For valid VP9 input streams, intermediate stage coefficients should always
+ // stay within the range of a signed 16 bit integer. Coefficients can go out
+ // of this range for invalid/corrupt VP9 streams. However, strictly checking
+ // this range for every intermediate coefficient can burdensome for a decoder,
+ // therefore the following assertion is only enabled when configured with
+ // --enable-coefficient-range-checking.
+ assert(INT16_MIN <= input);
+ assert(input <= INT16_MAX);
+#endif // CONFIG_COEFFICIENT_RANGE_CHECKING
+ return (tran_low_t)input;
+}
+
+static INLINE tran_low_t dct_const_round_shift(tran_high_t input) {
+ tran_high_t rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS);
+ return check_range(rv);
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+static INLINE tran_low_t highbd_check_range(tran_high_t input,
+ int bd) {
+#if CONFIG_COEFFICIENT_RANGE_CHECKING
+ // For valid highbitdepth VP9 streams, intermediate stage coefficients will
+ // stay within the ranges:
+ // - 8 bit: signed 16 bit integer
+ // - 10 bit: signed 18 bit integer
+ // - 12 bit: signed 20 bit integer
+ const int32_t int_max = (1 << (7 + bd)) - 1;
+ const int32_t int_min = -int_max - 1;
+ assert(int_min <= input);
+ assert(input <= int_max);
+ (void) int_min;
+#endif // CONFIG_COEFFICIENT_RANGE_CHECKING
+ (void) bd;
+ return (tran_low_t)input;
+}
+
+static INLINE tran_low_t highbd_dct_const_round_shift(tran_high_t input,
+ int bd) {
+ tran_high_t rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS);
+ return highbd_check_range(rv, bd);
+}
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+#if CONFIG_EMULATE_HARDWARE
+// When CONFIG_EMULATE_HARDWARE is 1 the transform performs a
+// non-normative method to handle overflows. A stream that causes
+// overflows in the inverse transform is considered invalid in VP9,
+// and a hardware implementer is free to choose any reasonable
+// method to handle overflows. However to aid in hardware
+// verification they can use a specific implementation of the
+// WRAPLOW() macro below that is identical to their intended
+// hardware implementation (and also use configure options to trigger
+// the C-implementation of the transform).
+//
+// The particular WRAPLOW implementation below performs strict
+// overflow wrapping to match common hardware implementations.
+// bd of 8 uses trans_low with 16bits, need to remove 16bits
+// bd of 10 uses trans_low with 18bits, need to remove 14bits
+// bd of 12 uses trans_low with 20bits, need to remove 12bits
+// bd of x uses trans_low with 8+x bits, need to remove 24-x bits
+#define WRAPLOW(x, bd) ((((int32_t)(x)) << (24 - bd)) >> (24 - bd))
+#else
+#define WRAPLOW(x, bd) ((int32_t)(x))
+#endif // CONFIG_EMULATE_HARDWARE
+
+void idct4_c(const tran_low_t *input, tran_low_t *output);
+void idct8_c(const tran_low_t *input, tran_low_t *output);
+void idct16_c(const tran_low_t *input, tran_low_t *output);
+void idct32_c(const tran_low_t *input, tran_low_t *output);
+void iadst4_c(const tran_low_t *input, tran_low_t *output);
+void iadst8_c(const tran_low_t *input, tran_low_t *output);
+void iadst16_c(const tran_low_t *input, tran_low_t *output);
+
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp9_highbd_idct4_c(const tran_low_t *input, tran_low_t *output, int bd);
+void vp9_highbd_idct8_c(const tran_low_t *input, tran_low_t *output, int bd);
+void vp9_highbd_idct16_c(const tran_low_t *input, tran_low_t *output, int bd);
+void highbd_idct32_c(const tran_low_t *input, tran_low_t *output, int bd);
+
+void highbd_iadst4_c(const tran_low_t *input, tran_low_t *output, int bd);
+void highbd_iadst8_c(const tran_low_t *input, tran_low_t *output, int bd);
+void highbd_iadst16_c(const tran_low_t *input, tran_low_t *output, int bd);
+
+static INLINE uint16_t highbd_clip_pixel_add(uint16_t dest, tran_high_t trans,
+ int bd) {
+ trans = WRAPLOW(trans, bd);
+ return clip_pixel_highbd(WRAPLOW(dest + trans, bd), bd);
+}
+#endif
+
+static INLINE uint8_t clip_pixel_add(uint8_t dest, tran_high_t trans) {
+ trans = WRAPLOW(trans, 8);
+ return clip_pixel(WRAPLOW(dest + trans, 8));
+}
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VPX_DSP_INV_TXFM_H_
diff --git a/vpx_dsp/vpx_dsp.mk b/vpx_dsp/vpx_dsp.mk
index 4c5545c..1416b98 100644
--- a/vpx_dsp/vpx_dsp.mk
+++ b/vpx_dsp/vpx_dsp.mk
@@ -169,6 +169,43 @@
DSP_SRCS-$(HAVE_MSA) += mips/fwd_dct32x32_msa.c
endif # CONFIG_VP9_ENCODER
+# inverse transform
+ifeq ($(CONFIG_VP9),yes)
+DSP_SRCS-yes += inv_txfm.h
+DSP_SRCS-yes += inv_txfm.c
+DSP_SRCS-$(HAVE_SSE2) += x86/inv_txfm_sse2.h
+DSP_SRCS-$(HAVE_SSE2) += x86/inv_txfm_sse2.c
+DSP_SRCS-$(HAVE_SSE2) += x86/inv_txfm_sse2.asm
+ifeq ($(ARCH_X86_64),yes)
+ifeq ($(CONFIG_USE_X86INC),yes)
+DSP_SRCS-$(HAVE_SSSE3) += x86/inv_txfm_ssse3_x86_64.asm
+endif # CONFIG_USE_X86INC
+endif # ARCH_X86_64
+
+ifeq ($(HAVE_NEON_ASM),yes)
+DSP_SRCS-yes += arm/idct4x4_1_add_neon$(ASM)
+DSP_SRCS-yes += arm/idct4x4_add_neon$(ASM)
+DSP_SRCS-yes += arm/idct8x8_1_add_neon$(ASM)
+DSP_SRCS-yes += arm/idct8x8_add_neon$(ASM)
+DSP_SRCS-yes += arm/idct16x16_1_add_neon$(ASM)
+DSP_SRCS-yes += arm/idct16x16_add_neon$(ASM)
+DSP_SRCS-yes += arm/idct32x32_1_add_neon$(ASM)
+DSP_SRCS-yes += arm/idct32x32_add_neon$(ASM)
+else
+ifeq ($(HAVE_NEON),yes)
+DSP_SRCS-yes += arm/idct4x4_1_add_neon.c
+DSP_SRCS-yes += arm/idct4x4_add_neon.c
+DSP_SRCS-yes += arm/idct8x8_1_add_neon.c
+DSP_SRCS-yes += arm/idct8x8_add_neon.c
+DSP_SRCS-yes += arm/idct16x16_1_add_neon.c
+DSP_SRCS-yes += arm/idct16x16_add_neon.c
+DSP_SRCS-yes += arm/idct32x32_1_add_neon.c
+DSP_SRCS-yes += arm/idct32x32_add_neon.c
+endif # HAVE_NEON
+endif # HAVE_NEON_ASM
+DSP_SRCS-$(HAVE_NEON) += arm/idct16x16_neon.c
+endif # CONFIG_VP9
+
# quantization
ifeq ($(CONFIG_VP9_ENCODER),yes)
DSP_SRCS-yes += quantize.c
diff --git a/vpx_dsp/vpx_dsp_rtcd_defs.pl b/vpx_dsp/vpx_dsp_rtcd_defs.pl
index 3b732b9..ca564bc 100644
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -593,6 +593,193 @@
} # CONFIG_VP9_ENCODER
#
+# Inverse transform
+if (vpx_config("CONFIG_VP9") eq "yes") {
+if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") {
+ # Note as optimized versions of these functions are added we need to add a check to ensure
+ # that when CONFIG_EMULATE_HARDWARE is on, it defaults to the C versions only.
+ add_proto qw/void vp9_idct4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct4x4_1_add/;
+
+ add_proto qw/void vp9_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct4x4_16_add/;
+
+ add_proto qw/void vp9_idct8x8_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct8x8_1_add/;
+
+ add_proto qw/void vp9_idct8x8_64_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct8x8_64_add/;
+
+ add_proto qw/void vp9_idct8x8_12_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct8x8_12_add/;
+
+ add_proto qw/void vp9_idct16x16_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct16x16_1_add/;
+
+ add_proto qw/void vp9_idct16x16_256_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct16x16_256_add/;
+
+ add_proto qw/void vp9_idct16x16_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct16x16_10_add/;
+
+ add_proto qw/void vp9_idct32x32_1024_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct32x32_1024_add/;
+
+ add_proto qw/void vp9_idct32x32_34_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct32x32_34_add/;
+
+ add_proto qw/void vp9_idct32x32_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct32x32_1_add/;
+
+ add_proto qw/void vp9_iwht4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_iwht4x4_1_add/;
+
+ add_proto qw/void vp9_iwht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_iwht4x4_16_add/;
+
+ add_proto qw/void vp9_highbd_idct4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct4x4_1_add/;
+
+ add_proto qw/void vp9_highbd_idct8x8_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct8x8_1_add/;
+
+ add_proto qw/void vp9_highbd_idct16x16_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct16x16_1_add/;
+
+ add_proto qw/void vp9_highbd_idct32x32_1024_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct32x32_1024_add/;
+
+ add_proto qw/void vp9_highbd_idct32x32_34_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct32x32_34_add/;
+
+ add_proto qw/void vp9_highbd_idct32x32_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct32x32_1_add/;
+
+ add_proto qw/void vp9_highbd_iwht4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_iwht4x4_1_add/;
+
+ add_proto qw/void vp9_highbd_iwht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_iwht4x4_16_add/;
+
+ # Force C versions if CONFIG_EMULATE_HARDWARE is 1
+ if (vpx_config("CONFIG_EMULATE_HARDWARE") eq "yes") {
+ add_proto qw/void vp9_highbd_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct4x4_16_add/;
+
+ add_proto qw/void vp9_highbd_idct8x8_64_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct8x8_64_add/;
+
+ add_proto qw/void vp9_highbd_idct8x8_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct8x8_10_add/;
+
+ add_proto qw/void vp9_highbd_idct16x16_256_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct16x16_256_add/;
+
+ add_proto qw/void vp9_highbd_idct16x16_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct16x16_10_add/;
+ } else {
+ add_proto qw/void vp9_highbd_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct4x4_16_add sse2/;
+
+ add_proto qw/void vp9_highbd_idct8x8_64_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct8x8_64_add sse2/;
+
+ add_proto qw/void vp9_highbd_idct8x8_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct8x8_10_add sse2/;
+
+ add_proto qw/void vp9_highbd_idct16x16_256_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct16x16_256_add sse2/;
+
+ add_proto qw/void vp9_highbd_idct16x16_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride, int bd";
+ specialize qw/vp9_highbd_idct16x16_10_add sse2/;
+ } # CONFIG_EMULATE_HARDWARE
+} else {
+ # Force C versions if CONFIG_EMULATE_HARDWARE is 1
+ if (vpx_config("CONFIG_EMULATE_HARDWARE") eq "yes") {
+ add_proto qw/void vp9_idct4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct4x4_1_add/;
+
+ add_proto qw/void vp9_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct4x4_16_add/;
+
+ add_proto qw/void vp9_idct8x8_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct8x8_1_add/;
+
+ add_proto qw/void vp9_idct8x8_64_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct8x8_64_add/;
+
+ add_proto qw/void vp9_idct8x8_12_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct8x8_12_add/;
+
+ add_proto qw/void vp9_idct16x16_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct16x16_1_add/;
+
+ add_proto qw/void vp9_idct16x16_256_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct16x16_256_add/;
+
+ add_proto qw/void vp9_idct16x16_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct16x16_10_add/;
+
+ add_proto qw/void vp9_idct32x32_1024_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct32x32_1024_add/;
+
+ add_proto qw/void vp9_idct32x32_34_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct32x32_34_add/;
+
+ add_proto qw/void vp9_idct32x32_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct32x32_1_add/;
+
+ add_proto qw/void vp9_iwht4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_iwht4x4_1_add/;
+
+ add_proto qw/void vp9_iwht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_iwht4x4_16_add/;
+ } else {
+ add_proto qw/void vp9_idct4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct4x4_1_add sse2 neon dspr2 msa/;
+
+ add_proto qw/void vp9_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct4x4_16_add sse2 neon dspr2 msa/;
+
+ add_proto qw/void vp9_idct8x8_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct8x8_1_add sse2 neon dspr2 msa/;
+
+ add_proto qw/void vp9_idct8x8_64_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct8x8_64_add sse2 neon dspr2 msa/, "$ssse3_x86_64_x86inc";
+
+ add_proto qw/void vp9_idct8x8_12_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct8x8_12_add sse2 neon dspr2 msa/, "$ssse3_x86_64_x86inc";
+
+ add_proto qw/void vp9_idct16x16_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct16x16_1_add sse2 neon dspr2 msa/;
+
+ add_proto qw/void vp9_idct16x16_256_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct16x16_256_add sse2 neon dspr2 msa/;
+
+ add_proto qw/void vp9_idct16x16_10_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct16x16_10_add sse2 neon dspr2 msa/;
+
+ add_proto qw/void vp9_idct32x32_1024_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct32x32_1024_add sse2 neon dspr2 msa/;
+
+ add_proto qw/void vp9_idct32x32_34_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct32x32_34_add sse2 neon_asm dspr2 msa/;
+ # Need to add 34 eob idct32x32 neon implementation.
+ $vp9_idct32x32_34_add_neon_asm=vp9_idct32x32_1024_add_neon;
+
+ add_proto qw/void vp9_idct32x32_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_idct32x32_1_add sse2 neon dspr2 msa/;
+
+ add_proto qw/void vp9_iwht4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_iwht4x4_1_add msa/;
+
+ add_proto qw/void vp9_iwht4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
+ specialize qw/vp9_iwht4x4_16_add msa/, "$sse2_x86inc";
+ } # CONFIG_EMULATE_HARDWARE
+} # CONFIG_VP9_HIGHBITDEPTH
+} # CONFIG_VP9
+
+#
# Quantization
#
if (vpx_config("CONFIG_VP9_ENCODER") eq "yes") {
diff --git a/vp9/common/x86/vp9_idct_sse2.asm b/vpx_dsp/x86/inv_txfm_sse2.asm
similarity index 100%
rename from vp9/common/x86/vp9_idct_sse2.asm
rename to vpx_dsp/x86/inv_txfm_sse2.asm
diff --git a/vpx_dsp/x86/inv_txfm_sse2.c b/vpx_dsp/x86/inv_txfm_sse2.c
new file mode 100644
index 0000000..f894ee6
--- /dev/null
+++ b/vpx_dsp/x86/inv_txfm_sse2.c
@@ -0,0 +1,4053 @@
+/*
+ * Copyright (c) 2015 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "vpx_dsp/x86/inv_txfm_sse2.h"
+#include "vpx_dsp/x86/txfm_common_sse2.h"
+
+#define RECON_AND_STORE4X4(dest, in_x) \
+{ \
+ __m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest)); \
+ d0 = _mm_unpacklo_epi8(d0, zero); \
+ d0 = _mm_add_epi16(in_x, d0); \
+ d0 = _mm_packus_epi16(d0, d0); \
+ *(int *)(dest) = _mm_cvtsi128_si32(d0); \
+}
+
+void vp9_idct4x4_16_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
+ const __m128i zero = _mm_setzero_si128();
+ const __m128i eight = _mm_set1_epi16(8);
+ const __m128i cst = _mm_setr_epi16(
+ (int16_t)cospi_16_64, (int16_t)cospi_16_64, (int16_t)cospi_16_64,
+ (int16_t)-cospi_16_64, (int16_t)cospi_24_64, (int16_t)-cospi_8_64,
+ (int16_t)cospi_8_64, (int16_t)cospi_24_64);
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ __m128i input0, input1, input2, input3;
+
+ // Rows
+ input0 = _mm_load_si128((const __m128i *)input);
+ input2 = _mm_load_si128((const __m128i *)(input + 8));
+
+ // Construct i3, i1, i3, i1, i2, i0, i2, i0
+ input0 = _mm_shufflelo_epi16(input0, 0xd8);
+ input0 = _mm_shufflehi_epi16(input0, 0xd8);
+ input2 = _mm_shufflelo_epi16(input2, 0xd8);
+ input2 = _mm_shufflehi_epi16(input2, 0xd8);
+
+ input1 = _mm_unpackhi_epi32(input0, input0);
+ input0 = _mm_unpacklo_epi32(input0, input0);
+ input3 = _mm_unpackhi_epi32(input2, input2);
+ input2 = _mm_unpacklo_epi32(input2, input2);
+
+ // Stage 1
+ input0 = _mm_madd_epi16(input0, cst);
+ input1 = _mm_madd_epi16(input1, cst);
+ input2 = _mm_madd_epi16(input2, cst);
+ input3 = _mm_madd_epi16(input3, cst);
+
+ input0 = _mm_add_epi32(input0, rounding);
+ input1 = _mm_add_epi32(input1, rounding);
+ input2 = _mm_add_epi32(input2, rounding);
+ input3 = _mm_add_epi32(input3, rounding);
+
+ input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
+ input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
+ input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
+ input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
+
+ // Stage 2
+ input0 = _mm_packs_epi32(input0, input1);
+ input1 = _mm_packs_epi32(input2, input3);
+
+ // Transpose
+ input2 = _mm_unpacklo_epi16(input0, input1);
+ input3 = _mm_unpackhi_epi16(input0, input1);
+ input0 = _mm_unpacklo_epi32(input2, input3);
+ input1 = _mm_unpackhi_epi32(input2, input3);
+
+ // Switch column2, column 3, and then, we got:
+ // input2: column1, column 0; input3: column2, column 3.
+ input1 = _mm_shuffle_epi32(input1, 0x4e);
+ input2 = _mm_add_epi16(input0, input1);
+ input3 = _mm_sub_epi16(input0, input1);
+
+ // Columns
+ // Construct i3, i1, i3, i1, i2, i0, i2, i0
+ input0 = _mm_unpacklo_epi32(input2, input2);
+ input1 = _mm_unpackhi_epi32(input2, input2);
+ input2 = _mm_unpackhi_epi32(input3, input3);
+ input3 = _mm_unpacklo_epi32(input3, input3);
+
+ // Stage 1
+ input0 = _mm_madd_epi16(input0, cst);
+ input1 = _mm_madd_epi16(input1, cst);
+ input2 = _mm_madd_epi16(input2, cst);
+ input3 = _mm_madd_epi16(input3, cst);
+
+ input0 = _mm_add_epi32(input0, rounding);
+ input1 = _mm_add_epi32(input1, rounding);
+ input2 = _mm_add_epi32(input2, rounding);
+ input3 = _mm_add_epi32(input3, rounding);
+
+ input0 = _mm_srai_epi32(input0, DCT_CONST_BITS);
+ input1 = _mm_srai_epi32(input1, DCT_CONST_BITS);
+ input2 = _mm_srai_epi32(input2, DCT_CONST_BITS);
+ input3 = _mm_srai_epi32(input3, DCT_CONST_BITS);
+
+ // Stage 2
+ input0 = _mm_packs_epi32(input0, input2);
+ input1 = _mm_packs_epi32(input1, input3);
+
+ // Transpose
+ input2 = _mm_unpacklo_epi16(input0, input1);
+ input3 = _mm_unpackhi_epi16(input0, input1);
+ input0 = _mm_unpacklo_epi32(input2, input3);
+ input1 = _mm_unpackhi_epi32(input2, input3);
+
+ // Switch column2, column 3, and then, we got:
+ // input2: column1, column 0; input3: column2, column 3.
+ input1 = _mm_shuffle_epi32(input1, 0x4e);
+ input2 = _mm_add_epi16(input0, input1);
+ input3 = _mm_sub_epi16(input0, input1);
+
+ // Final round and shift
+ input2 = _mm_add_epi16(input2, eight);
+ input3 = _mm_add_epi16(input3, eight);
+
+ input2 = _mm_srai_epi16(input2, 4);
+ input3 = _mm_srai_epi16(input3, 4);
+
+ // Reconstruction and Store
+ {
+ __m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest));
+ __m128i d2 = _mm_cvtsi32_si128(*(const int *)(dest + stride * 2));
+ d0 = _mm_unpacklo_epi32(d0,
+ _mm_cvtsi32_si128(*(const int *)(dest + stride)));
+ d2 = _mm_unpacklo_epi32(
+ _mm_cvtsi32_si128(*(const int *)(dest + stride * 3)), d2);
+ d0 = _mm_unpacklo_epi8(d0, zero);
+ d2 = _mm_unpacklo_epi8(d2, zero);
+ d0 = _mm_add_epi16(d0, input2);
+ d2 = _mm_add_epi16(d2, input3);
+ d0 = _mm_packus_epi16(d0, d2);
+ // store input0
+ *(int *)dest = _mm_cvtsi128_si32(d0);
+ // store input1
+ d0 = _mm_srli_si128(d0, 4);
+ *(int *)(dest + stride) = _mm_cvtsi128_si32(d0);
+ // store input2
+ d0 = _mm_srli_si128(d0, 4);
+ *(int *)(dest + stride * 3) = _mm_cvtsi128_si32(d0);
+ // store input3
+ d0 = _mm_srli_si128(d0, 4);
+ *(int *)(dest + stride * 2) = _mm_cvtsi128_si32(d0);
+ }
+}
+
+void vp9_idct4x4_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
+ __m128i dc_value;
+ const __m128i zero = _mm_setzero_si128();
+ int a;
+
+ a = dct_const_round_shift(input[0] * cospi_16_64);
+ a = dct_const_round_shift(a * cospi_16_64);
+ a = ROUND_POWER_OF_TWO(a, 4);
+
+ dc_value = _mm_set1_epi16(a);
+
+ RECON_AND_STORE4X4(dest + 0 * stride, dc_value);
+ RECON_AND_STORE4X4(dest + 1 * stride, dc_value);
+ RECON_AND_STORE4X4(dest + 2 * stride, dc_value);
+ RECON_AND_STORE4X4(dest + 3 * stride, dc_value);
+}
+
+static INLINE void transpose_4x4(__m128i *res) {
+ const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]);
+ const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]);
+
+ res[0] = _mm_unpacklo_epi16(tr0_0, tr0_1);
+ res[1] = _mm_unpackhi_epi16(tr0_0, tr0_1);
+}
+
+void idct4_sse2(__m128i *in) {
+ const __m128i k__cospi_p16_p16 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ __m128i u[8], v[8];
+
+ transpose_4x4(in);
+ // stage 1
+ u[0] = _mm_unpacklo_epi16(in[0], in[1]);
+ u[1] = _mm_unpackhi_epi16(in[0], in[1]);
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
+ v[1] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
+ v[2] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+
+ u[0] = _mm_packs_epi32(v[0], v[1]);
+ u[1] = _mm_packs_epi32(v[3], v[2]);
+
+ // stage 2
+ in[0] = _mm_add_epi16(u[0], u[1]);
+ in[1] = _mm_sub_epi16(u[0], u[1]);
+ in[1] = _mm_shuffle_epi32(in[1], 0x4E);
+}
+
+void iadst4_sse2(__m128i *in) {
+ const __m128i k__sinpi_p01_p04 = pair_set_epi16(sinpi_1_9, sinpi_4_9);
+ const __m128i k__sinpi_p03_p02 = pair_set_epi16(sinpi_3_9, sinpi_2_9);
+ const __m128i k__sinpi_p02_m01 = pair_set_epi16(sinpi_2_9, -sinpi_1_9);
+ const __m128i k__sinpi_p03_m04 = pair_set_epi16(sinpi_3_9, -sinpi_4_9);
+ const __m128i k__sinpi_p03_p03 = _mm_set1_epi16((int16_t)sinpi_3_9);
+ const __m128i kZero = _mm_set1_epi16(0);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ __m128i u[8], v[8], in7;
+
+ transpose_4x4(in);
+ in7 = _mm_srli_si128(in[1], 8);
+ in7 = _mm_add_epi16(in7, in[0]);
+ in7 = _mm_sub_epi16(in7, in[1]);
+
+ u[0] = _mm_unpacklo_epi16(in[0], in[1]);
+ u[1] = _mm_unpackhi_epi16(in[0], in[1]);
+ u[2] = _mm_unpacklo_epi16(in7, kZero);
+ u[3] = _mm_unpackhi_epi16(in[0], kZero);
+
+ v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p04); // s0 + s3
+ v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p02); // s2 + s5
+ v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x2
+ v[3] = _mm_madd_epi16(u[0], k__sinpi_p02_m01); // s1 - s4
+ v[4] = _mm_madd_epi16(u[1], k__sinpi_p03_m04); // s2 - s6
+ v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s2
+
+ u[0] = _mm_add_epi32(v[0], v[1]);
+ u[1] = _mm_add_epi32(v[3], v[4]);
+ u[2] = v[2];
+ u[3] = _mm_add_epi32(u[0], u[1]);
+ u[4] = _mm_slli_epi32(v[5], 2);
+ u[5] = _mm_add_epi32(u[3], v[5]);
+ u[6] = _mm_sub_epi32(u[5], u[4]);
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+
+ in[0] = _mm_packs_epi32(u[0], u[1]);
+ in[1] = _mm_packs_epi32(u[2], u[3]);
+}
+
+#define TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, \
+ out0, out1, out2, out3, out4, out5, out6, out7) \
+ { \
+ const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
+ const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
+ const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
+ const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
+ const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \
+ const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
+ const __m128i tr0_6 = _mm_unpackhi_epi16(in4, in5); \
+ const __m128i tr0_7 = _mm_unpackhi_epi16(in6, in7); \
+ \
+ const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
+ const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3); \
+ const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
+ const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3); \
+ const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
+ const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); \
+ const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
+ const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); \
+ \
+ out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
+ out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
+ out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
+ out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
+ out4 = _mm_unpacklo_epi64(tr1_1, tr1_5); \
+ out5 = _mm_unpackhi_epi64(tr1_1, tr1_5); \
+ out6 = _mm_unpacklo_epi64(tr1_3, tr1_7); \
+ out7 = _mm_unpackhi_epi64(tr1_3, tr1_7); \
+ }
+
+#define TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, \
+ out0, out1, out2, out3) \
+ { \
+ const __m128i tr0_0 = _mm_unpackhi_epi16(tmp0, tmp1); \
+ const __m128i tr0_1 = _mm_unpacklo_epi16(tmp1, tmp0); \
+ const __m128i tr0_4 = _mm_unpacklo_epi16(tmp2, tmp3); \
+ const __m128i tr0_5 = _mm_unpackhi_epi16(tmp3, tmp2); \
+ \
+ const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
+ const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
+ const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
+ const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
+ \
+ out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
+ out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
+ out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
+ out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
+ }
+
+#define TRANSPOSE_8X8_10(in0, in1, in2, in3, out0, out1) \
+ { \
+ const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
+ const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
+ out0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
+ out1 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
+ }
+
+// Define Macro for multiplying elements by constants and adding them together.
+#define MULTIPLICATION_AND_ADD(lo_0, hi_0, lo_1, hi_1, \
+ cst0, cst1, cst2, cst3, res0, res1, res2, res3) \
+ { \
+ tmp0 = _mm_madd_epi16(lo_0, cst0); \
+ tmp1 = _mm_madd_epi16(hi_0, cst0); \
+ tmp2 = _mm_madd_epi16(lo_0, cst1); \
+ tmp3 = _mm_madd_epi16(hi_0, cst1); \
+ tmp4 = _mm_madd_epi16(lo_1, cst2); \
+ tmp5 = _mm_madd_epi16(hi_1, cst2); \
+ tmp6 = _mm_madd_epi16(lo_1, cst3); \
+ tmp7 = _mm_madd_epi16(hi_1, cst3); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ tmp4 = _mm_add_epi32(tmp4, rounding); \
+ tmp5 = _mm_add_epi32(tmp5, rounding); \
+ tmp6 = _mm_add_epi32(tmp6, rounding); \
+ tmp7 = _mm_add_epi32(tmp7, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); \
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS); \
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); \
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS); \
+ \
+ res0 = _mm_packs_epi32(tmp0, tmp1); \
+ res1 = _mm_packs_epi32(tmp2, tmp3); \
+ res2 = _mm_packs_epi32(tmp4, tmp5); \
+ res3 = _mm_packs_epi32(tmp6, tmp7); \
+ }
+
+#define MULTIPLICATION_AND_ADD_2(lo_0, hi_0, cst0, cst1, res0, res1) \
+ { \
+ tmp0 = _mm_madd_epi16(lo_0, cst0); \
+ tmp1 = _mm_madd_epi16(hi_0, cst0); \
+ tmp2 = _mm_madd_epi16(lo_0, cst1); \
+ tmp3 = _mm_madd_epi16(hi_0, cst1); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ \
+ res0 = _mm_packs_epi32(tmp0, tmp1); \
+ res1 = _mm_packs_epi32(tmp2, tmp3); \
+ }
+
+#define IDCT8(in0, in1, in2, in3, in4, in5, in6, in7, \
+ out0, out1, out2, out3, out4, out5, out6, out7) \
+ { \
+ /* Stage1 */ \
+ { \
+ const __m128i lo_17 = _mm_unpacklo_epi16(in1, in7); \
+ const __m128i hi_17 = _mm_unpackhi_epi16(in1, in7); \
+ const __m128i lo_35 = _mm_unpacklo_epi16(in3, in5); \
+ const __m128i hi_35 = _mm_unpackhi_epi16(in3, in5); \
+ \
+ MULTIPLICATION_AND_ADD(lo_17, hi_17, lo_35, hi_35, stg1_0, \
+ stg1_1, stg1_2, stg1_3, stp1_4, \
+ stp1_7, stp1_5, stp1_6) \
+ } \
+ \
+ /* Stage2 */ \
+ { \
+ const __m128i lo_04 = _mm_unpacklo_epi16(in0, in4); \
+ const __m128i hi_04 = _mm_unpackhi_epi16(in0, in4); \
+ const __m128i lo_26 = _mm_unpacklo_epi16(in2, in6); \
+ const __m128i hi_26 = _mm_unpackhi_epi16(in2, in6); \
+ \
+ MULTIPLICATION_AND_ADD(lo_04, hi_04, lo_26, hi_26, stg2_0, \
+ stg2_1, stg2_2, stg2_3, stp2_0, \
+ stp2_1, stp2_2, stp2_3) \
+ \
+ stp2_4 = _mm_adds_epi16(stp1_4, stp1_5); \
+ stp2_5 = _mm_subs_epi16(stp1_4, stp1_5); \
+ stp2_6 = _mm_subs_epi16(stp1_7, stp1_6); \
+ stp2_7 = _mm_adds_epi16(stp1_7, stp1_6); \
+ } \
+ \
+ /* Stage3 */ \
+ { \
+ const __m128i lo_56 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
+ const __m128i hi_56 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
+ \
+ stp1_0 = _mm_adds_epi16(stp2_0, stp2_3); \
+ stp1_1 = _mm_adds_epi16(stp2_1, stp2_2); \
+ stp1_2 = _mm_subs_epi16(stp2_1, stp2_2); \
+ stp1_3 = _mm_subs_epi16(stp2_0, stp2_3); \
+ \
+ tmp0 = _mm_madd_epi16(lo_56, stg2_1); \
+ tmp1 = _mm_madd_epi16(hi_56, stg2_1); \
+ tmp2 = _mm_madd_epi16(lo_56, stg2_0); \
+ tmp3 = _mm_madd_epi16(hi_56, stg2_0); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ \
+ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
+ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
+ } \
+ \
+ /* Stage4 */ \
+ out0 = _mm_adds_epi16(stp1_0, stp2_7); \
+ out1 = _mm_adds_epi16(stp1_1, stp1_6); \
+ out2 = _mm_adds_epi16(stp1_2, stp1_5); \
+ out3 = _mm_adds_epi16(stp1_3, stp2_4); \
+ out4 = _mm_subs_epi16(stp1_3, stp2_4); \
+ out5 = _mm_subs_epi16(stp1_2, stp1_5); \
+ out6 = _mm_subs_epi16(stp1_1, stp1_6); \
+ out7 = _mm_subs_epi16(stp1_0, stp2_7); \
+ }
+
+void vp9_idct8x8_64_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
+ const __m128i zero = _mm_setzero_si128();
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1 << 4);
+ const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+
+ __m128i in0, in1, in2, in3, in4, in5, in6, in7;
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int i;
+
+ // Load input data.
+ in0 = _mm_load_si128((const __m128i *)input);
+ in1 = _mm_load_si128((const __m128i *)(input + 8 * 1));
+ in2 = _mm_load_si128((const __m128i *)(input + 8 * 2));
+ in3 = _mm_load_si128((const __m128i *)(input + 8 * 3));
+ in4 = _mm_load_si128((const __m128i *)(input + 8 * 4));
+ in5 = _mm_load_si128((const __m128i *)(input + 8 * 5));
+ in6 = _mm_load_si128((const __m128i *)(input + 8 * 6));
+ in7 = _mm_load_si128((const __m128i *)(input + 8 * 7));
+
+ // 2-D
+ for (i = 0; i < 2; i++) {
+ // 8x8 Transpose is copied from vp9_fdct8x8_sse2()
+ TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+
+ // 4-stage 1D idct8x8
+ IDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ }
+
+ // Final rounding and shift
+ in0 = _mm_adds_epi16(in0, final_rounding);
+ in1 = _mm_adds_epi16(in1, final_rounding);
+ in2 = _mm_adds_epi16(in2, final_rounding);
+ in3 = _mm_adds_epi16(in3, final_rounding);
+ in4 = _mm_adds_epi16(in4, final_rounding);
+ in5 = _mm_adds_epi16(in5, final_rounding);
+ in6 = _mm_adds_epi16(in6, final_rounding);
+ in7 = _mm_adds_epi16(in7, final_rounding);
+
+ in0 = _mm_srai_epi16(in0, 5);
+ in1 = _mm_srai_epi16(in1, 5);
+ in2 = _mm_srai_epi16(in2, 5);
+ in3 = _mm_srai_epi16(in3, 5);
+ in4 = _mm_srai_epi16(in4, 5);
+ in5 = _mm_srai_epi16(in5, 5);
+ in6 = _mm_srai_epi16(in6, 5);
+ in7 = _mm_srai_epi16(in7, 5);
+
+ RECON_AND_STORE(dest + 0 * stride, in0);
+ RECON_AND_STORE(dest + 1 * stride, in1);
+ RECON_AND_STORE(dest + 2 * stride, in2);
+ RECON_AND_STORE(dest + 3 * stride, in3);
+ RECON_AND_STORE(dest + 4 * stride, in4);
+ RECON_AND_STORE(dest + 5 * stride, in5);
+ RECON_AND_STORE(dest + 6 * stride, in6);
+ RECON_AND_STORE(dest + 7 * stride, in7);
+}
+
+void vp9_idct8x8_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
+ __m128i dc_value;
+ const __m128i zero = _mm_setzero_si128();
+ int a;
+
+ a = dct_const_round_shift(input[0] * cospi_16_64);
+ a = dct_const_round_shift(a * cospi_16_64);
+ a = ROUND_POWER_OF_TWO(a, 5);
+
+ dc_value = _mm_set1_epi16(a);
+
+ RECON_AND_STORE(dest + 0 * stride, dc_value);
+ RECON_AND_STORE(dest + 1 * stride, dc_value);
+ RECON_AND_STORE(dest + 2 * stride, dc_value);
+ RECON_AND_STORE(dest + 3 * stride, dc_value);
+ RECON_AND_STORE(dest + 4 * stride, dc_value);
+ RECON_AND_STORE(dest + 5 * stride, dc_value);
+ RECON_AND_STORE(dest + 6 * stride, dc_value);
+ RECON_AND_STORE(dest + 7 * stride, dc_value);
+}
+
+void idct8_sse2(__m128i *in) {
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+
+ __m128i in0, in1, in2, in3, in4, in5, in6, in7;
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+
+ // 8x8 Transpose is copied from vp9_fdct8x8_sse2()
+ TRANSPOSE_8X8(in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7],
+ in0, in1, in2, in3, in4, in5, in6, in7);
+
+ // 4-stage 1D idct8x8
+ IDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
+ in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7]);
+}
+
+void iadst8_sse2(__m128i *in) {
+ const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
+ const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
+ const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
+ const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
+ const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
+ const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__const_0 = _mm_set1_epi16(0);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+
+ __m128i u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15;
+ __m128i v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15;
+ __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
+ __m128i s0, s1, s2, s3, s4, s5, s6, s7;
+ __m128i in0, in1, in2, in3, in4, in5, in6, in7;
+
+ // transpose
+ array_transpose_8x8(in, in);
+
+ // properly aligned for butterfly input
+ in0 = in[7];
+ in1 = in[0];
+ in2 = in[5];
+ in3 = in[2];
+ in4 = in[3];
+ in5 = in[4];
+ in6 = in[1];
+ in7 = in[6];
+
+ // column transformation
+ // stage 1
+ // interleave and multiply/add into 32-bit integer
+ s0 = _mm_unpacklo_epi16(in0, in1);
+ s1 = _mm_unpackhi_epi16(in0, in1);
+ s2 = _mm_unpacklo_epi16(in2, in3);
+ s3 = _mm_unpackhi_epi16(in2, in3);
+ s4 = _mm_unpacklo_epi16(in4, in5);
+ s5 = _mm_unpackhi_epi16(in4, in5);
+ s6 = _mm_unpacklo_epi16(in6, in7);
+ s7 = _mm_unpackhi_epi16(in6, in7);
+
+ u0 = _mm_madd_epi16(s0, k__cospi_p02_p30);
+ u1 = _mm_madd_epi16(s1, k__cospi_p02_p30);
+ u2 = _mm_madd_epi16(s0, k__cospi_p30_m02);
+ u3 = _mm_madd_epi16(s1, k__cospi_p30_m02);
+ u4 = _mm_madd_epi16(s2, k__cospi_p10_p22);
+ u5 = _mm_madd_epi16(s3, k__cospi_p10_p22);
+ u6 = _mm_madd_epi16(s2, k__cospi_p22_m10);
+ u7 = _mm_madd_epi16(s3, k__cospi_p22_m10);
+ u8 = _mm_madd_epi16(s4, k__cospi_p18_p14);
+ u9 = _mm_madd_epi16(s5, k__cospi_p18_p14);
+ u10 = _mm_madd_epi16(s4, k__cospi_p14_m18);
+ u11 = _mm_madd_epi16(s5, k__cospi_p14_m18);
+ u12 = _mm_madd_epi16(s6, k__cospi_p26_p06);
+ u13 = _mm_madd_epi16(s7, k__cospi_p26_p06);
+ u14 = _mm_madd_epi16(s6, k__cospi_p06_m26);
+ u15 = _mm_madd_epi16(s7, k__cospi_p06_m26);
+
+ // addition
+ w0 = _mm_add_epi32(u0, u8);
+ w1 = _mm_add_epi32(u1, u9);
+ w2 = _mm_add_epi32(u2, u10);
+ w3 = _mm_add_epi32(u3, u11);
+ w4 = _mm_add_epi32(u4, u12);
+ w5 = _mm_add_epi32(u5, u13);
+ w6 = _mm_add_epi32(u6, u14);
+ w7 = _mm_add_epi32(u7, u15);
+ w8 = _mm_sub_epi32(u0, u8);
+ w9 = _mm_sub_epi32(u1, u9);
+ w10 = _mm_sub_epi32(u2, u10);
+ w11 = _mm_sub_epi32(u3, u11);
+ w12 = _mm_sub_epi32(u4, u12);
+ w13 = _mm_sub_epi32(u5, u13);
+ w14 = _mm_sub_epi32(u6, u14);
+ w15 = _mm_sub_epi32(u7, u15);
+
+ // shift and rounding
+ v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
+ v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
+ v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
+ v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
+ v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
+ v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
+ v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
+ v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
+ v8 = _mm_add_epi32(w8, k__DCT_CONST_ROUNDING);
+ v9 = _mm_add_epi32(w9, k__DCT_CONST_ROUNDING);
+ v10 = _mm_add_epi32(w10, k__DCT_CONST_ROUNDING);
+ v11 = _mm_add_epi32(w11, k__DCT_CONST_ROUNDING);
+ v12 = _mm_add_epi32(w12, k__DCT_CONST_ROUNDING);
+ v13 = _mm_add_epi32(w13, k__DCT_CONST_ROUNDING);
+ v14 = _mm_add_epi32(w14, k__DCT_CONST_ROUNDING);
+ v15 = _mm_add_epi32(w15, k__DCT_CONST_ROUNDING);
+
+ u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+ u8 = _mm_srai_epi32(v8, DCT_CONST_BITS);
+ u9 = _mm_srai_epi32(v9, DCT_CONST_BITS);
+ u10 = _mm_srai_epi32(v10, DCT_CONST_BITS);
+ u11 = _mm_srai_epi32(v11, DCT_CONST_BITS);
+ u12 = _mm_srai_epi32(v12, DCT_CONST_BITS);
+ u13 = _mm_srai_epi32(v13, DCT_CONST_BITS);
+ u14 = _mm_srai_epi32(v14, DCT_CONST_BITS);
+ u15 = _mm_srai_epi32(v15, DCT_CONST_BITS);
+
+ // back to 16-bit and pack 8 integers into __m128i
+ in[0] = _mm_packs_epi32(u0, u1);
+ in[1] = _mm_packs_epi32(u2, u3);
+ in[2] = _mm_packs_epi32(u4, u5);
+ in[3] = _mm_packs_epi32(u6, u7);
+ in[4] = _mm_packs_epi32(u8, u9);
+ in[5] = _mm_packs_epi32(u10, u11);
+ in[6] = _mm_packs_epi32(u12, u13);
+ in[7] = _mm_packs_epi32(u14, u15);
+
+ // stage 2
+ s0 = _mm_add_epi16(in[0], in[2]);
+ s1 = _mm_add_epi16(in[1], in[3]);
+ s2 = _mm_sub_epi16(in[0], in[2]);
+ s3 = _mm_sub_epi16(in[1], in[3]);
+ u0 = _mm_unpacklo_epi16(in[4], in[5]);
+ u1 = _mm_unpackhi_epi16(in[4], in[5]);
+ u2 = _mm_unpacklo_epi16(in[6], in[7]);
+ u3 = _mm_unpackhi_epi16(in[6], in[7]);
+
+ v0 = _mm_madd_epi16(u0, k__cospi_p08_p24);
+ v1 = _mm_madd_epi16(u1, k__cospi_p08_p24);
+ v2 = _mm_madd_epi16(u0, k__cospi_p24_m08);
+ v3 = _mm_madd_epi16(u1, k__cospi_p24_m08);
+ v4 = _mm_madd_epi16(u2, k__cospi_m24_p08);
+ v5 = _mm_madd_epi16(u3, k__cospi_m24_p08);
+ v6 = _mm_madd_epi16(u2, k__cospi_p08_p24);
+ v7 = _mm_madd_epi16(u3, k__cospi_p08_p24);
+
+ w0 = _mm_add_epi32(v0, v4);
+ w1 = _mm_add_epi32(v1, v5);
+ w2 = _mm_add_epi32(v2, v6);
+ w3 = _mm_add_epi32(v3, v7);
+ w4 = _mm_sub_epi32(v0, v4);
+ w5 = _mm_sub_epi32(v1, v5);
+ w6 = _mm_sub_epi32(v2, v6);
+ w7 = _mm_sub_epi32(v3, v7);
+
+ v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING);
+ v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING);
+ v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING);
+ v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING);
+ v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING);
+ v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING);
+ v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING);
+ v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING);
+
+ u0 = _mm_srai_epi32(v0, DCT_CONST_BITS);
+ u1 = _mm_srai_epi32(v1, DCT_CONST_BITS);
+ u2 = _mm_srai_epi32(v2, DCT_CONST_BITS);
+ u3 = _mm_srai_epi32(v3, DCT_CONST_BITS);
+ u4 = _mm_srai_epi32(v4, DCT_CONST_BITS);
+ u5 = _mm_srai_epi32(v5, DCT_CONST_BITS);
+ u6 = _mm_srai_epi32(v6, DCT_CONST_BITS);
+ u7 = _mm_srai_epi32(v7, DCT_CONST_BITS);
+
+ // back to 16-bit intergers
+ s4 = _mm_packs_epi32(u0, u1);
+ s5 = _mm_packs_epi32(u2, u3);
+ s6 = _mm_packs_epi32(u4, u5);
+ s7 = _mm_packs_epi32(u6, u7);
+
+ // stage 3
+ u0 = _mm_unpacklo_epi16(s2, s3);
+ u1 = _mm_unpackhi_epi16(s2, s3);
+ u2 = _mm_unpacklo_epi16(s6, s7);
+ u3 = _mm_unpackhi_epi16(s6, s7);
+
+ v0 = _mm_madd_epi16(u0, k__cospi_p16_p16);
+ v1 = _mm_madd_epi16(u1, k__cospi_p16_p16);
+ v2 = _mm_madd_epi16(u0, k__cospi_p16_m16);
+ v3 = _mm_madd_epi16(u1, k__cospi_p16_m16);
+ v4 = _mm_madd_epi16(u2, k__cospi_p16_p16);
+ v5 = _mm_madd_epi16(u3, k__cospi_p16_p16);
+ v6 = _mm_madd_epi16(u2, k__cospi_p16_m16);
+ v7 = _mm_madd_epi16(u3, k__cospi_p16_m16);
+
+ u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING);
+ u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING);
+ u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING);
+ u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING);
+ u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING);
+ u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING);
+ u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING);
+ u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING);
+
+ v0 = _mm_srai_epi32(u0, DCT_CONST_BITS);
+ v1 = _mm_srai_epi32(u1, DCT_CONST_BITS);
+ v2 = _mm_srai_epi32(u2, DCT_CONST_BITS);
+ v3 = _mm_srai_epi32(u3, DCT_CONST_BITS);
+ v4 = _mm_srai_epi32(u4, DCT_CONST_BITS);
+ v5 = _mm_srai_epi32(u5, DCT_CONST_BITS);
+ v6 = _mm_srai_epi32(u6, DCT_CONST_BITS);
+ v7 = _mm_srai_epi32(u7, DCT_CONST_BITS);
+
+ s2 = _mm_packs_epi32(v0, v1);
+ s3 = _mm_packs_epi32(v2, v3);
+ s6 = _mm_packs_epi32(v4, v5);
+ s7 = _mm_packs_epi32(v6, v7);
+
+ in[0] = s0;
+ in[1] = _mm_sub_epi16(k__const_0, s4);
+ in[2] = s6;
+ in[3] = _mm_sub_epi16(k__const_0, s2);
+ in[4] = s3;
+ in[5] = _mm_sub_epi16(k__const_0, s7);
+ in[6] = s5;
+ in[7] = _mm_sub_epi16(k__const_0, s1);
+}
+
+void vp9_idct8x8_12_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
+ const __m128i zero = _mm_setzero_si128();
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1 << 4);
+ const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i stg3_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+
+ __m128i in0, in1, in2, in3, in4, in5, in6, in7;
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+
+ // Rows. Load 4-row input data.
+ in0 = _mm_load_si128((const __m128i *)input);
+ in1 = _mm_load_si128((const __m128i *)(input + 8 * 1));
+ in2 = _mm_load_si128((const __m128i *)(input + 8 * 2));
+ in3 = _mm_load_si128((const __m128i *)(input + 8 * 3));
+
+ // 8x4 Transpose
+ TRANSPOSE_8X8_10(in0, in1, in2, in3, in0, in1);
+ // Stage1
+ {
+ const __m128i lo_17 = _mm_unpackhi_epi16(in0, zero);
+ const __m128i lo_35 = _mm_unpackhi_epi16(in1, zero);
+
+ tmp0 = _mm_madd_epi16(lo_17, stg1_0);
+ tmp2 = _mm_madd_epi16(lo_17, stg1_1);
+ tmp4 = _mm_madd_epi16(lo_35, stg1_2);
+ tmp6 = _mm_madd_epi16(lo_35, stg1_3);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+
+ stp1_4 = _mm_packs_epi32(tmp0, tmp2);
+ stp1_5 = _mm_packs_epi32(tmp4, tmp6);
+ }
+
+ // Stage2
+ {
+ const __m128i lo_04 = _mm_unpacklo_epi16(in0, zero);
+ const __m128i lo_26 = _mm_unpacklo_epi16(in1, zero);
+
+ tmp0 = _mm_madd_epi16(lo_04, stg2_0);
+ tmp2 = _mm_madd_epi16(lo_04, stg2_1);
+ tmp4 = _mm_madd_epi16(lo_26, stg2_2);
+ tmp6 = _mm_madd_epi16(lo_26, stg2_3);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+
+ stp2_0 = _mm_packs_epi32(tmp0, tmp2);
+ stp2_2 = _mm_packs_epi32(tmp6, tmp4);
+
+ tmp0 = _mm_adds_epi16(stp1_4, stp1_5);
+ tmp1 = _mm_subs_epi16(stp1_4, stp1_5);
+
+ stp2_4 = tmp0;
+ stp2_5 = _mm_unpacklo_epi64(tmp1, zero);
+ stp2_6 = _mm_unpackhi_epi64(tmp1, zero);
+ }
+
+ // Stage3
+ {
+ const __m128i lo_56 = _mm_unpacklo_epi16(stp2_5, stp2_6);
+
+ tmp4 = _mm_adds_epi16(stp2_0, stp2_2);
+ tmp6 = _mm_subs_epi16(stp2_0, stp2_2);
+
+ stp1_2 = _mm_unpackhi_epi64(tmp6, tmp4);
+ stp1_3 = _mm_unpacklo_epi64(tmp6, tmp4);
+
+ tmp0 = _mm_madd_epi16(lo_56, stg3_0);
+ tmp2 = _mm_madd_epi16(lo_56, stg2_0); // stg3_1 = stg2_0
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+
+ stp1_5 = _mm_packs_epi32(tmp0, tmp2);
+ }
+
+ // Stage4
+ tmp0 = _mm_adds_epi16(stp1_3, stp2_4);
+ tmp1 = _mm_adds_epi16(stp1_2, stp1_5);
+ tmp2 = _mm_subs_epi16(stp1_3, stp2_4);
+ tmp3 = _mm_subs_epi16(stp1_2, stp1_5);
+
+ TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, in0, in1, in2, in3)
+
+ IDCT8(in0, in1, in2, in3, zero, zero, zero, zero,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ // Final rounding and shift
+ in0 = _mm_adds_epi16(in0, final_rounding);
+ in1 = _mm_adds_epi16(in1, final_rounding);
+ in2 = _mm_adds_epi16(in2, final_rounding);
+ in3 = _mm_adds_epi16(in3, final_rounding);
+ in4 = _mm_adds_epi16(in4, final_rounding);
+ in5 = _mm_adds_epi16(in5, final_rounding);
+ in6 = _mm_adds_epi16(in6, final_rounding);
+ in7 = _mm_adds_epi16(in7, final_rounding);
+
+ in0 = _mm_srai_epi16(in0, 5);
+ in1 = _mm_srai_epi16(in1, 5);
+ in2 = _mm_srai_epi16(in2, 5);
+ in3 = _mm_srai_epi16(in3, 5);
+ in4 = _mm_srai_epi16(in4, 5);
+ in5 = _mm_srai_epi16(in5, 5);
+ in6 = _mm_srai_epi16(in6, 5);
+ in7 = _mm_srai_epi16(in7, 5);
+
+ RECON_AND_STORE(dest + 0 * stride, in0);
+ RECON_AND_STORE(dest + 1 * stride, in1);
+ RECON_AND_STORE(dest + 2 * stride, in2);
+ RECON_AND_STORE(dest + 3 * stride, in3);
+ RECON_AND_STORE(dest + 4 * stride, in4);
+ RECON_AND_STORE(dest + 5 * stride, in5);
+ RECON_AND_STORE(dest + 6 * stride, in6);
+ RECON_AND_STORE(dest + 7 * stride, in7);
+}
+
+#define IDCT16 \
+ /* Stage2 */ \
+ { \
+ const __m128i lo_1_15 = _mm_unpacklo_epi16(in[1], in[15]); \
+ const __m128i hi_1_15 = _mm_unpackhi_epi16(in[1], in[15]); \
+ const __m128i lo_9_7 = _mm_unpacklo_epi16(in[9], in[7]); \
+ const __m128i hi_9_7 = _mm_unpackhi_epi16(in[9], in[7]); \
+ const __m128i lo_5_11 = _mm_unpacklo_epi16(in[5], in[11]); \
+ const __m128i hi_5_11 = _mm_unpackhi_epi16(in[5], in[11]); \
+ const __m128i lo_13_3 = _mm_unpacklo_epi16(in[13], in[3]); \
+ const __m128i hi_13_3 = _mm_unpackhi_epi16(in[13], in[3]); \
+ \
+ MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_9_7, hi_9_7, \
+ stg2_0, stg2_1, stg2_2, stg2_3, \
+ stp2_8, stp2_15, stp2_9, stp2_14) \
+ \
+ MULTIPLICATION_AND_ADD(lo_5_11, hi_5_11, lo_13_3, hi_13_3, \
+ stg2_4, stg2_5, stg2_6, stg2_7, \
+ stp2_10, stp2_13, stp2_11, stp2_12) \
+ } \
+ \
+ /* Stage3 */ \
+ { \
+ const __m128i lo_2_14 = _mm_unpacklo_epi16(in[2], in[14]); \
+ const __m128i hi_2_14 = _mm_unpackhi_epi16(in[2], in[14]); \
+ const __m128i lo_10_6 = _mm_unpacklo_epi16(in[10], in[6]); \
+ const __m128i hi_10_6 = _mm_unpackhi_epi16(in[10], in[6]); \
+ \
+ MULTIPLICATION_AND_ADD(lo_2_14, hi_2_14, lo_10_6, hi_10_6, \
+ stg3_0, stg3_1, stg3_2, stg3_3, \
+ stp1_4, stp1_7, stp1_5, stp1_6) \
+ \
+ stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9); \
+ stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \
+ stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \
+ stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \
+ \
+ stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13); \
+ stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \
+ stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \
+ stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \
+ } \
+ \
+ /* Stage4 */ \
+ { \
+ const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], in[8]); \
+ const __m128i hi_0_8 = _mm_unpackhi_epi16(in[0], in[8]); \
+ const __m128i lo_4_12 = _mm_unpacklo_epi16(in[4], in[12]); \
+ const __m128i hi_4_12 = _mm_unpackhi_epi16(in[4], in[12]); \
+ \
+ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
+ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ \
+ MULTIPLICATION_AND_ADD(lo_0_8, hi_0_8, lo_4_12, hi_4_12, \
+ stg4_0, stg4_1, stg4_2, stg4_3, \
+ stp2_0, stp2_1, stp2_2, stp2_3) \
+ \
+ stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \
+ stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \
+ stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \
+ stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \
+ \
+ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \
+ stg4_4, stg4_5, stg4_6, stg4_7, \
+ stp2_9, stp2_14, stp2_10, stp2_13) \
+ } \
+ \
+ /* Stage5 */ \
+ { \
+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
+ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
+ \
+ stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \
+ stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \
+ stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \
+ stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \
+ \
+ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
+ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
+ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
+ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ \
+ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
+ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
+ \
+ stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); \
+ stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
+ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
+ stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); \
+ \
+ stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); \
+ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
+ stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
+ stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); \
+ } \
+ \
+ /* Stage6 */ \
+ { \
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
+ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
+ \
+ stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \
+ stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
+ stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
+ stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \
+ stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \
+ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
+ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
+ stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \
+ \
+ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
+ stg6_0, stg4_0, stg6_0, stg4_0, \
+ stp2_10, stp2_13, stp2_11, stp2_12) \
+ }
+
+#define IDCT16_10 \
+ /* Stage2 */ \
+ { \
+ const __m128i lo_1_15 = _mm_unpacklo_epi16(in[1], zero); \
+ const __m128i hi_1_15 = _mm_unpackhi_epi16(in[1], zero); \
+ const __m128i lo_13_3 = _mm_unpacklo_epi16(zero, in[3]); \
+ const __m128i hi_13_3 = _mm_unpackhi_epi16(zero, in[3]); \
+ \
+ MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_13_3, hi_13_3, \
+ stg2_0, stg2_1, stg2_6, stg2_7, \
+ stp1_8_0, stp1_15, stp1_11, stp1_12_0) \
+ } \
+ \
+ /* Stage3 */ \
+ { \
+ const __m128i lo_2_14 = _mm_unpacklo_epi16(in[2], zero); \
+ const __m128i hi_2_14 = _mm_unpackhi_epi16(in[2], zero); \
+ \
+ MULTIPLICATION_AND_ADD_2(lo_2_14, hi_2_14, \
+ stg3_0, stg3_1, \
+ stp2_4, stp2_7) \
+ \
+ stp1_9 = stp1_8_0; \
+ stp1_10 = stp1_11; \
+ \
+ stp1_13 = stp1_12_0; \
+ stp1_14 = stp1_15; \
+ } \
+ \
+ /* Stage4 */ \
+ { \
+ const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], zero); \
+ const __m128i hi_0_8 = _mm_unpackhi_epi16(in[0], zero); \
+ \
+ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
+ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ \
+ MULTIPLICATION_AND_ADD_2(lo_0_8, hi_0_8, \
+ stg4_0, stg4_1, \
+ stp1_0, stp1_1) \
+ stp2_5 = stp2_4; \
+ stp2_6 = stp2_7; \
+ \
+ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \
+ stg4_4, stg4_5, stg4_6, stg4_7, \
+ stp2_9, stp2_14, stp2_10, stp2_13) \
+ } \
+ \
+ /* Stage5 */ \
+ { \
+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
+ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
+ \
+ stp1_2 = stp1_1; \
+ stp1_3 = stp1_0; \
+ \
+ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
+ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
+ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
+ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ \
+ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
+ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
+ \
+ stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); \
+ stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
+ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
+ stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); \
+ \
+ stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); \
+ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
+ stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
+ stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); \
+ } \
+ \
+ /* Stage6 */ \
+ { \
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
+ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
+ \
+ stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \
+ stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
+ stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
+ stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \
+ stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \
+ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
+ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
+ stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \
+ \
+ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
+ stg6_0, stg4_0, stg6_0, stg4_0, \
+ stp2_10, stp2_13, stp2_11, stp2_12) \
+ }
+
+void vp9_idct16x16_256_add_sse2(const int16_t *input, uint8_t *dest,
+ int stride) {
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1 << 5);
+ const __m128i zero = _mm_setzero_si128();
+
+ const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
+ const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
+ const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
+ const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
+
+ const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
+ const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
+
+ const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
+ const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+
+ const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+
+ __m128i in[16], l[16], r[16], *curr1;
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
+ stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
+ stp1_8_0, stp1_12_0;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
+ stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int i;
+
+ curr1 = l;
+ for (i = 0; i < 2; i++) {
+ // 1-D idct
+
+ // Load input data.
+ in[0] = _mm_load_si128((const __m128i *)input);
+ in[8] = _mm_load_si128((const __m128i *)(input + 8 * 1));
+ in[1] = _mm_load_si128((const __m128i *)(input + 8 * 2));
+ in[9] = _mm_load_si128((const __m128i *)(input + 8 * 3));
+ in[2] = _mm_load_si128((const __m128i *)(input + 8 * 4));
+ in[10] = _mm_load_si128((const __m128i *)(input + 8 * 5));
+ in[3] = _mm_load_si128((const __m128i *)(input + 8 * 6));
+ in[11] = _mm_load_si128((const __m128i *)(input + 8 * 7));
+ in[4] = _mm_load_si128((const __m128i *)(input + 8 * 8));
+ in[12] = _mm_load_si128((const __m128i *)(input + 8 * 9));
+ in[5] = _mm_load_si128((const __m128i *)(input + 8 * 10));
+ in[13] = _mm_load_si128((const __m128i *)(input + 8 * 11));
+ in[6] = _mm_load_si128((const __m128i *)(input + 8 * 12));
+ in[14] = _mm_load_si128((const __m128i *)(input + 8 * 13));
+ in[7] = _mm_load_si128((const __m128i *)(input + 8 * 14));
+ in[15] = _mm_load_si128((const __m128i *)(input + 8 * 15));
+
+ array_transpose_8x8(in, in);
+ array_transpose_8x8(in + 8, in + 8);
+
+ IDCT16
+
+ // Stage7
+ curr1[0] = _mm_add_epi16(stp2_0, stp1_15);
+ curr1[1] = _mm_add_epi16(stp2_1, stp1_14);
+ curr1[2] = _mm_add_epi16(stp2_2, stp2_13);
+ curr1[3] = _mm_add_epi16(stp2_3, stp2_12);
+ curr1[4] = _mm_add_epi16(stp2_4, stp2_11);
+ curr1[5] = _mm_add_epi16(stp2_5, stp2_10);
+ curr1[6] = _mm_add_epi16(stp2_6, stp1_9);
+ curr1[7] = _mm_add_epi16(stp2_7, stp1_8);
+ curr1[8] = _mm_sub_epi16(stp2_7, stp1_8);
+ curr1[9] = _mm_sub_epi16(stp2_6, stp1_9);
+ curr1[10] = _mm_sub_epi16(stp2_5, stp2_10);
+ curr1[11] = _mm_sub_epi16(stp2_4, stp2_11);
+ curr1[12] = _mm_sub_epi16(stp2_3, stp2_12);
+ curr1[13] = _mm_sub_epi16(stp2_2, stp2_13);
+ curr1[14] = _mm_sub_epi16(stp2_1, stp1_14);
+ curr1[15] = _mm_sub_epi16(stp2_0, stp1_15);
+
+ curr1 = r;
+ input += 128;
+ }
+ for (i = 0; i < 2; i++) {
+ int j;
+ // 1-D idct
+ array_transpose_8x8(l + i * 8, in);
+ array_transpose_8x8(r + i * 8, in + 8);
+
+ IDCT16
+
+ // 2-D
+ in[0] = _mm_add_epi16(stp2_0, stp1_15);
+ in[1] = _mm_add_epi16(stp2_1, stp1_14);
+ in[2] = _mm_add_epi16(stp2_2, stp2_13);
+ in[3] = _mm_add_epi16(stp2_3, stp2_12);
+ in[4] = _mm_add_epi16(stp2_4, stp2_11);
+ in[5] = _mm_add_epi16(stp2_5, stp2_10);
+ in[6] = _mm_add_epi16(stp2_6, stp1_9);
+ in[7] = _mm_add_epi16(stp2_7, stp1_8);
+ in[8] = _mm_sub_epi16(stp2_7, stp1_8);
+ in[9] = _mm_sub_epi16(stp2_6, stp1_9);
+ in[10] = _mm_sub_epi16(stp2_5, stp2_10);
+ in[11] = _mm_sub_epi16(stp2_4, stp2_11);
+ in[12] = _mm_sub_epi16(stp2_3, stp2_12);
+ in[13] = _mm_sub_epi16(stp2_2, stp2_13);
+ in[14] = _mm_sub_epi16(stp2_1, stp1_14);
+ in[15] = _mm_sub_epi16(stp2_0, stp1_15);
+
+ for (j = 0; j < 16; ++j) {
+ // Final rounding and shift
+ in[j] = _mm_adds_epi16(in[j], final_rounding);
+ in[j] = _mm_srai_epi16(in[j], 6);
+ RECON_AND_STORE(dest + j * stride, in[j]);
+ }
+
+ dest += 8;
+ }
+}
+
+void vp9_idct16x16_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
+ __m128i dc_value;
+ const __m128i zero = _mm_setzero_si128();
+ int a, i;
+
+ a = dct_const_round_shift(input[0] * cospi_16_64);
+ a = dct_const_round_shift(a * cospi_16_64);
+ a = ROUND_POWER_OF_TWO(a, 6);
+
+ dc_value = _mm_set1_epi16(a);
+
+ for (i = 0; i < 2; ++i) {
+ RECON_AND_STORE(dest + 0 * stride, dc_value);
+ RECON_AND_STORE(dest + 1 * stride, dc_value);
+ RECON_AND_STORE(dest + 2 * stride, dc_value);
+ RECON_AND_STORE(dest + 3 * stride, dc_value);
+ RECON_AND_STORE(dest + 4 * stride, dc_value);
+ RECON_AND_STORE(dest + 5 * stride, dc_value);
+ RECON_AND_STORE(dest + 6 * stride, dc_value);
+ RECON_AND_STORE(dest + 7 * stride, dc_value);
+ RECON_AND_STORE(dest + 8 * stride, dc_value);
+ RECON_AND_STORE(dest + 9 * stride, dc_value);
+ RECON_AND_STORE(dest + 10 * stride, dc_value);
+ RECON_AND_STORE(dest + 11 * stride, dc_value);
+ RECON_AND_STORE(dest + 12 * stride, dc_value);
+ RECON_AND_STORE(dest + 13 * stride, dc_value);
+ RECON_AND_STORE(dest + 14 * stride, dc_value);
+ RECON_AND_STORE(dest + 15 * stride, dc_value);
+ dest += 8;
+ }
+}
+
+static void iadst16_8col(__m128i *in) {
+ // perform 16x16 1-D ADST for 8 columns
+ __m128i s[16], x[16], u[32], v[32];
+ const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64);
+ const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64);
+ const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64);
+ const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64);
+ const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64);
+ const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64);
+ const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64);
+ const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64);
+ const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64);
+ const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64);
+ const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64);
+ const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64);
+ const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64);
+ const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64);
+ const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64);
+ const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64);
+ const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
+ const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
+ const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64);
+ const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64);
+ const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_m16_m16 = _mm_set1_epi16((int16_t)-cospi_16_64);
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i kZero = _mm_set1_epi16(0);
+
+ u[0] = _mm_unpacklo_epi16(in[15], in[0]);
+ u[1] = _mm_unpackhi_epi16(in[15], in[0]);
+ u[2] = _mm_unpacklo_epi16(in[13], in[2]);
+ u[3] = _mm_unpackhi_epi16(in[13], in[2]);
+ u[4] = _mm_unpacklo_epi16(in[11], in[4]);
+ u[5] = _mm_unpackhi_epi16(in[11], in[4]);
+ u[6] = _mm_unpacklo_epi16(in[9], in[6]);
+ u[7] = _mm_unpackhi_epi16(in[9], in[6]);
+ u[8] = _mm_unpacklo_epi16(in[7], in[8]);
+ u[9] = _mm_unpackhi_epi16(in[7], in[8]);
+ u[10] = _mm_unpacklo_epi16(in[5], in[10]);
+ u[11] = _mm_unpackhi_epi16(in[5], in[10]);
+ u[12] = _mm_unpacklo_epi16(in[3], in[12]);
+ u[13] = _mm_unpackhi_epi16(in[3], in[12]);
+ u[14] = _mm_unpacklo_epi16(in[1], in[14]);
+ u[15] = _mm_unpackhi_epi16(in[1], in[14]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13);
+ v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15);
+ v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15);
+ v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17);
+ v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17);
+ v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11);
+ v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11);
+ v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21);
+ v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21);
+ v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07);
+ v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07);
+ v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25);
+ v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25);
+ v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03);
+ v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03);
+ v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29);
+ v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29);
+
+ u[0] = _mm_add_epi32(v[0], v[16]);
+ u[1] = _mm_add_epi32(v[1], v[17]);
+ u[2] = _mm_add_epi32(v[2], v[18]);
+ u[3] = _mm_add_epi32(v[3], v[19]);
+ u[4] = _mm_add_epi32(v[4], v[20]);
+ u[5] = _mm_add_epi32(v[5], v[21]);
+ u[6] = _mm_add_epi32(v[6], v[22]);
+ u[7] = _mm_add_epi32(v[7], v[23]);
+ u[8] = _mm_add_epi32(v[8], v[24]);
+ u[9] = _mm_add_epi32(v[9], v[25]);
+ u[10] = _mm_add_epi32(v[10], v[26]);
+ u[11] = _mm_add_epi32(v[11], v[27]);
+ u[12] = _mm_add_epi32(v[12], v[28]);
+ u[13] = _mm_add_epi32(v[13], v[29]);
+ u[14] = _mm_add_epi32(v[14], v[30]);
+ u[15] = _mm_add_epi32(v[15], v[31]);
+ u[16] = _mm_sub_epi32(v[0], v[16]);
+ u[17] = _mm_sub_epi32(v[1], v[17]);
+ u[18] = _mm_sub_epi32(v[2], v[18]);
+ u[19] = _mm_sub_epi32(v[3], v[19]);
+ u[20] = _mm_sub_epi32(v[4], v[20]);
+ u[21] = _mm_sub_epi32(v[5], v[21]);
+ u[22] = _mm_sub_epi32(v[6], v[22]);
+ u[23] = _mm_sub_epi32(v[7], v[23]);
+ u[24] = _mm_sub_epi32(v[8], v[24]);
+ u[25] = _mm_sub_epi32(v[9], v[25]);
+ u[26] = _mm_sub_epi32(v[10], v[26]);
+ u[27] = _mm_sub_epi32(v[11], v[27]);
+ u[28] = _mm_sub_epi32(v[12], v[28]);
+ u[29] = _mm_sub_epi32(v[13], v[29]);
+ u[30] = _mm_sub_epi32(v[14], v[30]);
+ u[31] = _mm_sub_epi32(v[15], v[31]);
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
+ v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
+ v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+ v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
+ v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
+ v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
+ v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
+ v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
+ v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
+ v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
+ v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
+ v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
+ v[16] = _mm_add_epi32(u[16], k__DCT_CONST_ROUNDING);
+ v[17] = _mm_add_epi32(u[17], k__DCT_CONST_ROUNDING);
+ v[18] = _mm_add_epi32(u[18], k__DCT_CONST_ROUNDING);
+ v[19] = _mm_add_epi32(u[19], k__DCT_CONST_ROUNDING);
+ v[20] = _mm_add_epi32(u[20], k__DCT_CONST_ROUNDING);
+ v[21] = _mm_add_epi32(u[21], k__DCT_CONST_ROUNDING);
+ v[22] = _mm_add_epi32(u[22], k__DCT_CONST_ROUNDING);
+ v[23] = _mm_add_epi32(u[23], k__DCT_CONST_ROUNDING);
+ v[24] = _mm_add_epi32(u[24], k__DCT_CONST_ROUNDING);
+ v[25] = _mm_add_epi32(u[25], k__DCT_CONST_ROUNDING);
+ v[26] = _mm_add_epi32(u[26], k__DCT_CONST_ROUNDING);
+ v[27] = _mm_add_epi32(u[27], k__DCT_CONST_ROUNDING);
+ v[28] = _mm_add_epi32(u[28], k__DCT_CONST_ROUNDING);
+ v[29] = _mm_add_epi32(u[29], k__DCT_CONST_ROUNDING);
+ v[30] = _mm_add_epi32(u[30], k__DCT_CONST_ROUNDING);
+ v[31] = _mm_add_epi32(u[31], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
+ u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
+ u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
+ u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
+ u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
+ u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
+ u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
+ u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
+ u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
+ u[16] = _mm_srai_epi32(v[16], DCT_CONST_BITS);
+ u[17] = _mm_srai_epi32(v[17], DCT_CONST_BITS);
+ u[18] = _mm_srai_epi32(v[18], DCT_CONST_BITS);
+ u[19] = _mm_srai_epi32(v[19], DCT_CONST_BITS);
+ u[20] = _mm_srai_epi32(v[20], DCT_CONST_BITS);
+ u[21] = _mm_srai_epi32(v[21], DCT_CONST_BITS);
+ u[22] = _mm_srai_epi32(v[22], DCT_CONST_BITS);
+ u[23] = _mm_srai_epi32(v[23], DCT_CONST_BITS);
+ u[24] = _mm_srai_epi32(v[24], DCT_CONST_BITS);
+ u[25] = _mm_srai_epi32(v[25], DCT_CONST_BITS);
+ u[26] = _mm_srai_epi32(v[26], DCT_CONST_BITS);
+ u[27] = _mm_srai_epi32(v[27], DCT_CONST_BITS);
+ u[28] = _mm_srai_epi32(v[28], DCT_CONST_BITS);
+ u[29] = _mm_srai_epi32(v[29], DCT_CONST_BITS);
+ u[30] = _mm_srai_epi32(v[30], DCT_CONST_BITS);
+ u[31] = _mm_srai_epi32(v[31], DCT_CONST_BITS);
+
+ s[0] = _mm_packs_epi32(u[0], u[1]);
+ s[1] = _mm_packs_epi32(u[2], u[3]);
+ s[2] = _mm_packs_epi32(u[4], u[5]);
+ s[3] = _mm_packs_epi32(u[6], u[7]);
+ s[4] = _mm_packs_epi32(u[8], u[9]);
+ s[5] = _mm_packs_epi32(u[10], u[11]);
+ s[6] = _mm_packs_epi32(u[12], u[13]);
+ s[7] = _mm_packs_epi32(u[14], u[15]);
+ s[8] = _mm_packs_epi32(u[16], u[17]);
+ s[9] = _mm_packs_epi32(u[18], u[19]);
+ s[10] = _mm_packs_epi32(u[20], u[21]);
+ s[11] = _mm_packs_epi32(u[22], u[23]);
+ s[12] = _mm_packs_epi32(u[24], u[25]);
+ s[13] = _mm_packs_epi32(u[26], u[27]);
+ s[14] = _mm_packs_epi32(u[28], u[29]);
+ s[15] = _mm_packs_epi32(u[30], u[31]);
+
+ // stage 2
+ u[0] = _mm_unpacklo_epi16(s[8], s[9]);
+ u[1] = _mm_unpackhi_epi16(s[8], s[9]);
+ u[2] = _mm_unpacklo_epi16(s[10], s[11]);
+ u[3] = _mm_unpackhi_epi16(s[10], s[11]);
+ u[4] = _mm_unpacklo_epi16(s[12], s[13]);
+ u[5] = _mm_unpackhi_epi16(s[12], s[13]);
+ u[6] = _mm_unpacklo_epi16(s[14], s[15]);
+ u[7] = _mm_unpackhi_epi16(s[14], s[15]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12);
+
+ u[0] = _mm_add_epi32(v[0], v[8]);
+ u[1] = _mm_add_epi32(v[1], v[9]);
+ u[2] = _mm_add_epi32(v[2], v[10]);
+ u[3] = _mm_add_epi32(v[3], v[11]);
+ u[4] = _mm_add_epi32(v[4], v[12]);
+ u[5] = _mm_add_epi32(v[5], v[13]);
+ u[6] = _mm_add_epi32(v[6], v[14]);
+ u[7] = _mm_add_epi32(v[7], v[15]);
+ u[8] = _mm_sub_epi32(v[0], v[8]);
+ u[9] = _mm_sub_epi32(v[1], v[9]);
+ u[10] = _mm_sub_epi32(v[2], v[10]);
+ u[11] = _mm_sub_epi32(v[3], v[11]);
+ u[12] = _mm_sub_epi32(v[4], v[12]);
+ u[13] = _mm_sub_epi32(v[5], v[13]);
+ u[14] = _mm_sub_epi32(v[6], v[14]);
+ u[15] = _mm_sub_epi32(v[7], v[15]);
+
+ v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
+ v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
+ v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+ v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
+ v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
+ v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
+ v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
+ v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
+ v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
+ v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
+ v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
+ v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
+ u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
+ u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
+ u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
+ u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
+ u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
+ u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
+ u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
+ u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
+
+ x[0] = _mm_add_epi16(s[0], s[4]);
+ x[1] = _mm_add_epi16(s[1], s[5]);
+ x[2] = _mm_add_epi16(s[2], s[6]);
+ x[3] = _mm_add_epi16(s[3], s[7]);
+ x[4] = _mm_sub_epi16(s[0], s[4]);
+ x[5] = _mm_sub_epi16(s[1], s[5]);
+ x[6] = _mm_sub_epi16(s[2], s[6]);
+ x[7] = _mm_sub_epi16(s[3], s[7]);
+ x[8] = _mm_packs_epi32(u[0], u[1]);
+ x[9] = _mm_packs_epi32(u[2], u[3]);
+ x[10] = _mm_packs_epi32(u[4], u[5]);
+ x[11] = _mm_packs_epi32(u[6], u[7]);
+ x[12] = _mm_packs_epi32(u[8], u[9]);
+ x[13] = _mm_packs_epi32(u[10], u[11]);
+ x[14] = _mm_packs_epi32(u[12], u[13]);
+ x[15] = _mm_packs_epi32(u[14], u[15]);
+
+ // stage 3
+ u[0] = _mm_unpacklo_epi16(x[4], x[5]);
+ u[1] = _mm_unpackhi_epi16(x[4], x[5]);
+ u[2] = _mm_unpacklo_epi16(x[6], x[7]);
+ u[3] = _mm_unpackhi_epi16(x[6], x[7]);
+ u[4] = _mm_unpacklo_epi16(x[12], x[13]);
+ u[5] = _mm_unpackhi_epi16(x[12], x[13]);
+ u[6] = _mm_unpacklo_epi16(x[14], x[15]);
+ u[7] = _mm_unpackhi_epi16(x[14], x[15]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24);
+
+ u[0] = _mm_add_epi32(v[0], v[4]);
+ u[1] = _mm_add_epi32(v[1], v[5]);
+ u[2] = _mm_add_epi32(v[2], v[6]);
+ u[3] = _mm_add_epi32(v[3], v[7]);
+ u[4] = _mm_sub_epi32(v[0], v[4]);
+ u[5] = _mm_sub_epi32(v[1], v[5]);
+ u[6] = _mm_sub_epi32(v[2], v[6]);
+ u[7] = _mm_sub_epi32(v[3], v[7]);
+ u[8] = _mm_add_epi32(v[8], v[12]);
+ u[9] = _mm_add_epi32(v[9], v[13]);
+ u[10] = _mm_add_epi32(v[10], v[14]);
+ u[11] = _mm_add_epi32(v[11], v[15]);
+ u[12] = _mm_sub_epi32(v[8], v[12]);
+ u[13] = _mm_sub_epi32(v[9], v[13]);
+ u[14] = _mm_sub_epi32(v[10], v[14]);
+ u[15] = _mm_sub_epi32(v[11], v[15]);
+
+ u[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
+ u[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
+ u[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
+ u[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
+ u[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
+ u[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
+ u[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
+ u[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
+ u[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+ v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
+ v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
+ v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
+ v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
+ v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
+ v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
+ v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
+ v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
+
+ s[0] = _mm_add_epi16(x[0], x[2]);
+ s[1] = _mm_add_epi16(x[1], x[3]);
+ s[2] = _mm_sub_epi16(x[0], x[2]);
+ s[3] = _mm_sub_epi16(x[1], x[3]);
+ s[4] = _mm_packs_epi32(v[0], v[1]);
+ s[5] = _mm_packs_epi32(v[2], v[3]);
+ s[6] = _mm_packs_epi32(v[4], v[5]);
+ s[7] = _mm_packs_epi32(v[6], v[7]);
+ s[8] = _mm_add_epi16(x[8], x[10]);
+ s[9] = _mm_add_epi16(x[9], x[11]);
+ s[10] = _mm_sub_epi16(x[8], x[10]);
+ s[11] = _mm_sub_epi16(x[9], x[11]);
+ s[12] = _mm_packs_epi32(v[8], v[9]);
+ s[13] = _mm_packs_epi32(v[10], v[11]);
+ s[14] = _mm_packs_epi32(v[12], v[13]);
+ s[15] = _mm_packs_epi32(v[14], v[15]);
+
+ // stage 4
+ u[0] = _mm_unpacklo_epi16(s[2], s[3]);
+ u[1] = _mm_unpackhi_epi16(s[2], s[3]);
+ u[2] = _mm_unpacklo_epi16(s[6], s[7]);
+ u[3] = _mm_unpackhi_epi16(s[6], s[7]);
+ u[4] = _mm_unpacklo_epi16(s[10], s[11]);
+ u[5] = _mm_unpackhi_epi16(s[10], s[11]);
+ u[6] = _mm_unpacklo_epi16(s[14], s[15]);
+ u[7] = _mm_unpackhi_epi16(s[14], s[15]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m16_m16);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m16_m16);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_p16_p16);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_p16_p16);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_m16_p16);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_m16_p16);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_m16_m16);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_m16_m16);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p16_m16);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p16_m16);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+ u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
+ u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
+ u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
+ u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
+ u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
+ u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
+ u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
+ u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
+
+ v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+ v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
+ v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
+ v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
+ v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
+ v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
+ v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
+ v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
+ v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
+
+ in[0] = s[0];
+ in[1] = _mm_sub_epi16(kZero, s[8]);
+ in[2] = s[12];
+ in[3] = _mm_sub_epi16(kZero, s[4]);
+ in[4] = _mm_packs_epi32(v[4], v[5]);
+ in[5] = _mm_packs_epi32(v[12], v[13]);
+ in[6] = _mm_packs_epi32(v[8], v[9]);
+ in[7] = _mm_packs_epi32(v[0], v[1]);
+ in[8] = _mm_packs_epi32(v[2], v[3]);
+ in[9] = _mm_packs_epi32(v[10], v[11]);
+ in[10] = _mm_packs_epi32(v[14], v[15]);
+ in[11] = _mm_packs_epi32(v[6], v[7]);
+ in[12] = s[5];
+ in[13] = _mm_sub_epi16(kZero, s[13]);
+ in[14] = s[9];
+ in[15] = _mm_sub_epi16(kZero, s[1]);
+}
+
+static void idct16_8col(__m128i *in) {
+ const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
+ const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
+ const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
+ const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
+ const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
+ const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
+ const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
+ const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
+ const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i k__cospi_m24_m08 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
+ const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+ const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ __m128i v[16], u[16], s[16], t[16];
+
+ // stage 1
+ s[0] = in[0];
+ s[1] = in[8];
+ s[2] = in[4];
+ s[3] = in[12];
+ s[4] = in[2];
+ s[5] = in[10];
+ s[6] = in[6];
+ s[7] = in[14];
+ s[8] = in[1];
+ s[9] = in[9];
+ s[10] = in[5];
+ s[11] = in[13];
+ s[12] = in[3];
+ s[13] = in[11];
+ s[14] = in[7];
+ s[15] = in[15];
+
+ // stage 2
+ u[0] = _mm_unpacklo_epi16(s[8], s[15]);
+ u[1] = _mm_unpackhi_epi16(s[8], s[15]);
+ u[2] = _mm_unpacklo_epi16(s[9], s[14]);
+ u[3] = _mm_unpackhi_epi16(s[9], s[14]);
+ u[4] = _mm_unpacklo_epi16(s[10], s[13]);
+ u[5] = _mm_unpackhi_epi16(s[10], s[13]);
+ u[6] = _mm_unpacklo_epi16(s[11], s[12]);
+ u[7] = _mm_unpackhi_epi16(s[11], s[12]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p30_m02);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p30_m02);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p02_p30);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p02_p30);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p14_m18);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p14_m18);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p18_p14);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p18_p14);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_p22_m10);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_p22_m10);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p10_p22);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p10_p22);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_p06_m26);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_p06_m26);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_p26_p06);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_p26_p06);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+ u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
+ u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
+ u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
+ u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
+ u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
+ u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
+ u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
+ u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+ u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
+ u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
+ u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
+ u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
+ u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
+ u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
+ u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
+ u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
+
+ s[8] = _mm_packs_epi32(u[0], u[1]);
+ s[15] = _mm_packs_epi32(u[2], u[3]);
+ s[9] = _mm_packs_epi32(u[4], u[5]);
+ s[14] = _mm_packs_epi32(u[6], u[7]);
+ s[10] = _mm_packs_epi32(u[8], u[9]);
+ s[13] = _mm_packs_epi32(u[10], u[11]);
+ s[11] = _mm_packs_epi32(u[12], u[13]);
+ s[12] = _mm_packs_epi32(u[14], u[15]);
+
+ // stage 3
+ t[0] = s[0];
+ t[1] = s[1];
+ t[2] = s[2];
+ t[3] = s[3];
+ u[0] = _mm_unpacklo_epi16(s[4], s[7]);
+ u[1] = _mm_unpackhi_epi16(s[4], s[7]);
+ u[2] = _mm_unpacklo_epi16(s[5], s[6]);
+ u[3] = _mm_unpackhi_epi16(s[5], s[6]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+
+ t[4] = _mm_packs_epi32(u[0], u[1]);
+ t[7] = _mm_packs_epi32(u[2], u[3]);
+ t[5] = _mm_packs_epi32(u[4], u[5]);
+ t[6] = _mm_packs_epi32(u[6], u[7]);
+ t[8] = _mm_add_epi16(s[8], s[9]);
+ t[9] = _mm_sub_epi16(s[8], s[9]);
+ t[10] = _mm_sub_epi16(s[11], s[10]);
+ t[11] = _mm_add_epi16(s[10], s[11]);
+ t[12] = _mm_add_epi16(s[12], s[13]);
+ t[13] = _mm_sub_epi16(s[12], s[13]);
+ t[14] = _mm_sub_epi16(s[15], s[14]);
+ t[15] = _mm_add_epi16(s[14], s[15]);
+
+ // stage 4
+ u[0] = _mm_unpacklo_epi16(t[0], t[1]);
+ u[1] = _mm_unpackhi_epi16(t[0], t[1]);
+ u[2] = _mm_unpacklo_epi16(t[2], t[3]);
+ u[3] = _mm_unpackhi_epi16(t[2], t[3]);
+ u[4] = _mm_unpacklo_epi16(t[9], t[14]);
+ u[5] = _mm_unpackhi_epi16(t[9], t[14]);
+ u[6] = _mm_unpacklo_epi16(t[10], t[13]);
+ u[7] = _mm_unpackhi_epi16(t[10], t[13]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_p24_m08);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_p24_m08);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
+ v[8] = _mm_madd_epi16(u[4], k__cospi_m08_p24);
+ v[9] = _mm_madd_epi16(u[5], k__cospi_m08_p24);
+ v[10] = _mm_madd_epi16(u[4], k__cospi_p24_p08);
+ v[11] = _mm_madd_epi16(u[5], k__cospi_p24_p08);
+ v[12] = _mm_madd_epi16(u[6], k__cospi_m24_m08);
+ v[13] = _mm_madd_epi16(u[7], k__cospi_m24_m08);
+ v[14] = _mm_madd_epi16(u[6], k__cospi_m08_p24);
+ v[15] = _mm_madd_epi16(u[7], k__cospi_m08_p24);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+ u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING);
+ u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING);
+ u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING);
+ u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING);
+ u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING);
+ u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING);
+ u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING);
+ u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+ u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS);
+ u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS);
+ u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS);
+ u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS);
+ u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS);
+ u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS);
+ u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS);
+ u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS);
+
+ s[0] = _mm_packs_epi32(u[0], u[1]);
+ s[1] = _mm_packs_epi32(u[2], u[3]);
+ s[2] = _mm_packs_epi32(u[4], u[5]);
+ s[3] = _mm_packs_epi32(u[6], u[7]);
+ s[4] = _mm_add_epi16(t[4], t[5]);
+ s[5] = _mm_sub_epi16(t[4], t[5]);
+ s[6] = _mm_sub_epi16(t[7], t[6]);
+ s[7] = _mm_add_epi16(t[6], t[7]);
+ s[8] = t[8];
+ s[15] = t[15];
+ s[9] = _mm_packs_epi32(u[8], u[9]);
+ s[14] = _mm_packs_epi32(u[10], u[11]);
+ s[10] = _mm_packs_epi32(u[12], u[13]);
+ s[13] = _mm_packs_epi32(u[14], u[15]);
+ s[11] = t[11];
+ s[12] = t[12];
+
+ // stage 5
+ t[0] = _mm_add_epi16(s[0], s[3]);
+ t[1] = _mm_add_epi16(s[1], s[2]);
+ t[2] = _mm_sub_epi16(s[1], s[2]);
+ t[3] = _mm_sub_epi16(s[0], s[3]);
+ t[4] = s[4];
+ t[7] = s[7];
+
+ u[0] = _mm_unpacklo_epi16(s[5], s[6]);
+ u[1] = _mm_unpackhi_epi16(s[5], s[6]);
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ t[5] = _mm_packs_epi32(u[0], u[1]);
+ t[6] = _mm_packs_epi32(u[2], u[3]);
+
+ t[8] = _mm_add_epi16(s[8], s[11]);
+ t[9] = _mm_add_epi16(s[9], s[10]);
+ t[10] = _mm_sub_epi16(s[9], s[10]);
+ t[11] = _mm_sub_epi16(s[8], s[11]);
+ t[12] = _mm_sub_epi16(s[15], s[12]);
+ t[13] = _mm_sub_epi16(s[14], s[13]);
+ t[14] = _mm_add_epi16(s[13], s[14]);
+ t[15] = _mm_add_epi16(s[12], s[15]);
+
+ // stage 6
+ s[0] = _mm_add_epi16(t[0], t[7]);
+ s[1] = _mm_add_epi16(t[1], t[6]);
+ s[2] = _mm_add_epi16(t[2], t[5]);
+ s[3] = _mm_add_epi16(t[3], t[4]);
+ s[4] = _mm_sub_epi16(t[3], t[4]);
+ s[5] = _mm_sub_epi16(t[2], t[5]);
+ s[6] = _mm_sub_epi16(t[1], t[6]);
+ s[7] = _mm_sub_epi16(t[0], t[7]);
+ s[8] = t[8];
+ s[9] = t[9];
+
+ u[0] = _mm_unpacklo_epi16(t[10], t[13]);
+ u[1] = _mm_unpackhi_epi16(t[10], t[13]);
+ u[2] = _mm_unpacklo_epi16(t[11], t[12]);
+ u[3] = _mm_unpackhi_epi16(t[11], t[12]);
+
+ v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16);
+ v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16);
+ v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16);
+ v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16);
+ v[4] = _mm_madd_epi16(u[2], k__cospi_m16_p16);
+ v[5] = _mm_madd_epi16(u[3], k__cospi_m16_p16);
+ v[6] = _mm_madd_epi16(u[2], k__cospi_p16_p16);
+ v[7] = _mm_madd_epi16(u[3], k__cospi_p16_p16);
+
+ u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING);
+ u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING);
+ u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING);
+ u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING);
+ u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING);
+ u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING);
+ u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING);
+ u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING);
+
+ u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
+ u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
+ u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
+ u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
+ u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
+ u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
+ u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
+ u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
+
+ s[10] = _mm_packs_epi32(u[0], u[1]);
+ s[13] = _mm_packs_epi32(u[2], u[3]);
+ s[11] = _mm_packs_epi32(u[4], u[5]);
+ s[12] = _mm_packs_epi32(u[6], u[7]);
+ s[14] = t[14];
+ s[15] = t[15];
+
+ // stage 7
+ in[0] = _mm_add_epi16(s[0], s[15]);
+ in[1] = _mm_add_epi16(s[1], s[14]);
+ in[2] = _mm_add_epi16(s[2], s[13]);
+ in[3] = _mm_add_epi16(s[3], s[12]);
+ in[4] = _mm_add_epi16(s[4], s[11]);
+ in[5] = _mm_add_epi16(s[5], s[10]);
+ in[6] = _mm_add_epi16(s[6], s[9]);
+ in[7] = _mm_add_epi16(s[7], s[8]);
+ in[8] = _mm_sub_epi16(s[7], s[8]);
+ in[9] = _mm_sub_epi16(s[6], s[9]);
+ in[10] = _mm_sub_epi16(s[5], s[10]);
+ in[11] = _mm_sub_epi16(s[4], s[11]);
+ in[12] = _mm_sub_epi16(s[3], s[12]);
+ in[13] = _mm_sub_epi16(s[2], s[13]);
+ in[14] = _mm_sub_epi16(s[1], s[14]);
+ in[15] = _mm_sub_epi16(s[0], s[15]);
+}
+
+void idct16_sse2(__m128i *in0, __m128i *in1) {
+ array_transpose_16x16(in0, in1);
+ idct16_8col(in0);
+ idct16_8col(in1);
+}
+
+void iadst16_sse2(__m128i *in0, __m128i *in1) {
+ array_transpose_16x16(in0, in1);
+ iadst16_8col(in0);
+ iadst16_8col(in1);
+}
+
+void vp9_idct16x16_10_add_sse2(const int16_t *input, uint8_t *dest,
+ int stride) {
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1 << 5);
+ const __m128i zero = _mm_setzero_si128();
+
+ const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
+
+ const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+
+ const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
+ const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+
+ const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+ __m128i in[16], l[16];
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6,
+ stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
+ stp1_8_0, stp1_12_0;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
+ stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int i;
+ // First 1-D inverse DCT
+ // Load input data.
+ in[0] = _mm_load_si128((const __m128i *)input);
+ in[1] = _mm_load_si128((const __m128i *)(input + 8 * 2));
+ in[2] = _mm_load_si128((const __m128i *)(input + 8 * 4));
+ in[3] = _mm_load_si128((const __m128i *)(input + 8 * 6));
+
+ TRANSPOSE_8X4(in[0], in[1], in[2], in[3], in[0], in[1]);
+
+ // Stage2
+ {
+ const __m128i lo_1_15 = _mm_unpackhi_epi16(in[0], zero);
+ const __m128i lo_13_3 = _mm_unpackhi_epi16(zero, in[1]);
+
+ tmp0 = _mm_madd_epi16(lo_1_15, stg2_0);
+ tmp2 = _mm_madd_epi16(lo_1_15, stg2_1);
+ tmp5 = _mm_madd_epi16(lo_13_3, stg2_6);
+ tmp7 = _mm_madd_epi16(lo_13_3, stg2_7);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp5 = _mm_add_epi32(tmp5, rounding);
+ tmp7 = _mm_add_epi32(tmp7, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
+
+ stp2_8 = _mm_packs_epi32(tmp0, tmp2);
+ stp2_11 = _mm_packs_epi32(tmp5, tmp7);
+ }
+
+ // Stage3
+ {
+ const __m128i lo_2_14 = _mm_unpacklo_epi16(in[1], zero);
+
+ tmp0 = _mm_madd_epi16(lo_2_14, stg3_0);
+ tmp2 = _mm_madd_epi16(lo_2_14, stg3_1);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+
+ stp1_13 = _mm_unpackhi_epi64(stp2_11, zero);
+ stp1_14 = _mm_unpackhi_epi64(stp2_8, zero);
+
+ stp1_4 = _mm_packs_epi32(tmp0, tmp2);
+ }
+
+ // Stage4
+ {
+ const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], zero);
+ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp2_8, stp1_14);
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp2_11, stp1_13);
+
+ tmp0 = _mm_madd_epi16(lo_0_8, stg4_0);
+ tmp2 = _mm_madd_epi16(lo_0_8, stg4_1);
+ tmp1 = _mm_madd_epi16(lo_9_14, stg4_4);
+ tmp3 = _mm_madd_epi16(lo_9_14, stg4_5);
+ tmp5 = _mm_madd_epi16(lo_10_13, stg4_6);
+ tmp7 = _mm_madd_epi16(lo_10_13, stg4_7);
+
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+ tmp5 = _mm_add_epi32(tmp5, rounding);
+ tmp7 = _mm_add_epi32(tmp7, rounding);
+
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS);
+ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS);
+
+ stp1_0 = _mm_packs_epi32(tmp0, tmp0);
+ stp1_1 = _mm_packs_epi32(tmp2, tmp2);
+ stp2_9 = _mm_packs_epi32(tmp1, tmp3);
+ stp2_10 = _mm_packs_epi32(tmp5, tmp7);
+
+ stp2_6 = _mm_unpackhi_epi64(stp1_4, zero);
+ }
+
+ // Stage5 and Stage6
+ {
+ tmp0 = _mm_add_epi16(stp2_8, stp2_11);
+ tmp1 = _mm_sub_epi16(stp2_8, stp2_11);
+ tmp2 = _mm_add_epi16(stp2_9, stp2_10);
+ tmp3 = _mm_sub_epi16(stp2_9, stp2_10);
+
+ stp1_9 = _mm_unpacklo_epi64(tmp2, zero);
+ stp1_10 = _mm_unpacklo_epi64(tmp3, zero);
+ stp1_8 = _mm_unpacklo_epi64(tmp0, zero);
+ stp1_11 = _mm_unpacklo_epi64(tmp1, zero);
+
+ stp1_13 = _mm_unpackhi_epi64(tmp3, zero);
+ stp1_14 = _mm_unpackhi_epi64(tmp2, zero);
+ stp1_12 = _mm_unpackhi_epi64(tmp1, zero);
+ stp1_15 = _mm_unpackhi_epi64(tmp0, zero);
+ }
+
+ // Stage6
+ {
+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp1_4);
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13);
+ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12);
+
+ tmp1 = _mm_madd_epi16(lo_6_5, stg4_1);
+ tmp3 = _mm_madd_epi16(lo_6_5, stg4_0);
+ tmp0 = _mm_madd_epi16(lo_10_13, stg6_0);
+ tmp2 = _mm_madd_epi16(lo_10_13, stg4_0);
+ tmp4 = _mm_madd_epi16(lo_11_12, stg6_0);
+ tmp6 = _mm_madd_epi16(lo_11_12, stg4_0);
+
+ tmp1 = _mm_add_epi32(tmp1, rounding);
+ tmp3 = _mm_add_epi32(tmp3, rounding);
+ tmp0 = _mm_add_epi32(tmp0, rounding);
+ tmp2 = _mm_add_epi32(tmp2, rounding);
+ tmp4 = _mm_add_epi32(tmp4, rounding);
+ tmp6 = _mm_add_epi32(tmp6, rounding);
+
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS);
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS);
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS);
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS);
+ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS);
+ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS);
+
+ stp1_6 = _mm_packs_epi32(tmp3, tmp1);
+
+ stp2_10 = _mm_packs_epi32(tmp0, zero);
+ stp2_13 = _mm_packs_epi32(tmp2, zero);
+ stp2_11 = _mm_packs_epi32(tmp4, zero);
+ stp2_12 = _mm_packs_epi32(tmp6, zero);
+
+ tmp0 = _mm_add_epi16(stp1_0, stp1_4);
+ tmp1 = _mm_sub_epi16(stp1_0, stp1_4);
+ tmp2 = _mm_add_epi16(stp1_1, stp1_6);
+ tmp3 = _mm_sub_epi16(stp1_1, stp1_6);
+
+ stp2_0 = _mm_unpackhi_epi64(tmp0, zero);
+ stp2_1 = _mm_unpacklo_epi64(tmp2, zero);
+ stp2_2 = _mm_unpackhi_epi64(tmp2, zero);
+ stp2_3 = _mm_unpacklo_epi64(tmp0, zero);
+ stp2_4 = _mm_unpacklo_epi64(tmp1, zero);
+ stp2_5 = _mm_unpackhi_epi64(tmp3, zero);
+ stp2_6 = _mm_unpacklo_epi64(tmp3, zero);
+ stp2_7 = _mm_unpackhi_epi64(tmp1, zero);
+ }
+
+ // Stage7. Left 8x16 only.
+ l[0] = _mm_add_epi16(stp2_0, stp1_15);
+ l[1] = _mm_add_epi16(stp2_1, stp1_14);
+ l[2] = _mm_add_epi16(stp2_2, stp2_13);
+ l[3] = _mm_add_epi16(stp2_3, stp2_12);
+ l[4] = _mm_add_epi16(stp2_4, stp2_11);
+ l[5] = _mm_add_epi16(stp2_5, stp2_10);
+ l[6] = _mm_add_epi16(stp2_6, stp1_9);
+ l[7] = _mm_add_epi16(stp2_7, stp1_8);
+ l[8] = _mm_sub_epi16(stp2_7, stp1_8);
+ l[9] = _mm_sub_epi16(stp2_6, stp1_9);
+ l[10] = _mm_sub_epi16(stp2_5, stp2_10);
+ l[11] = _mm_sub_epi16(stp2_4, stp2_11);
+ l[12] = _mm_sub_epi16(stp2_3, stp2_12);
+ l[13] = _mm_sub_epi16(stp2_2, stp2_13);
+ l[14] = _mm_sub_epi16(stp2_1, stp1_14);
+ l[15] = _mm_sub_epi16(stp2_0, stp1_15);
+
+ // Second 1-D inverse transform, performed per 8x16 block
+ for (i = 0; i < 2; i++) {
+ int j;
+ array_transpose_4X8(l + 8 * i, in);
+
+ IDCT16_10
+
+ // Stage7
+ in[0] = _mm_add_epi16(stp2_0, stp1_15);
+ in[1] = _mm_add_epi16(stp2_1, stp1_14);
+ in[2] = _mm_add_epi16(stp2_2, stp2_13);
+ in[3] = _mm_add_epi16(stp2_3, stp2_12);
+ in[4] = _mm_add_epi16(stp2_4, stp2_11);
+ in[5] = _mm_add_epi16(stp2_5, stp2_10);
+ in[6] = _mm_add_epi16(stp2_6, stp1_9);
+ in[7] = _mm_add_epi16(stp2_7, stp1_8);
+ in[8] = _mm_sub_epi16(stp2_7, stp1_8);
+ in[9] = _mm_sub_epi16(stp2_6, stp1_9);
+ in[10] = _mm_sub_epi16(stp2_5, stp2_10);
+ in[11] = _mm_sub_epi16(stp2_4, stp2_11);
+ in[12] = _mm_sub_epi16(stp2_3, stp2_12);
+ in[13] = _mm_sub_epi16(stp2_2, stp2_13);
+ in[14] = _mm_sub_epi16(stp2_1, stp1_14);
+ in[15] = _mm_sub_epi16(stp2_0, stp1_15);
+
+ for (j = 0; j < 16; ++j) {
+ // Final rounding and shift
+ in[j] = _mm_adds_epi16(in[j], final_rounding);
+ in[j] = _mm_srai_epi16(in[j], 6);
+ RECON_AND_STORE(dest + j * stride, in[j]);
+ }
+
+ dest += 8;
+ }
+}
+
+#define LOAD_DQCOEFF(reg, input) \
+ { \
+ reg = _mm_load_si128((const __m128i *) input); \
+ input += 8; \
+ } \
+
+#define IDCT32_34 \
+/* Stage1 */ \
+{ \
+ const __m128i zero = _mm_setzero_si128();\
+ const __m128i lo_1_31 = _mm_unpacklo_epi16(in[1], zero); \
+ const __m128i hi_1_31 = _mm_unpackhi_epi16(in[1], zero); \
+ \
+ const __m128i lo_25_7= _mm_unpacklo_epi16(zero, in[7]); \
+ const __m128i hi_25_7 = _mm_unpackhi_epi16(zero, in[7]); \
+ \
+ const __m128i lo_5_27 = _mm_unpacklo_epi16(in[5], zero); \
+ const __m128i hi_5_27 = _mm_unpackhi_epi16(in[5], zero); \
+ \
+ const __m128i lo_29_3 = _mm_unpacklo_epi16(zero, in[3]); \
+ const __m128i hi_29_3 = _mm_unpackhi_epi16(zero, in[3]); \
+ \
+ MULTIPLICATION_AND_ADD_2(lo_1_31, hi_1_31, stg1_0, \
+ stg1_1, stp1_16, stp1_31); \
+ MULTIPLICATION_AND_ADD_2(lo_25_7, hi_25_7, stg1_6, \
+ stg1_7, stp1_19, stp1_28); \
+ MULTIPLICATION_AND_ADD_2(lo_5_27, hi_5_27, stg1_8, \
+ stg1_9, stp1_20, stp1_27); \
+ MULTIPLICATION_AND_ADD_2(lo_29_3, hi_29_3, stg1_14, \
+ stg1_15, stp1_23, stp1_24); \
+} \
+\
+/* Stage2 */ \
+{ \
+ const __m128i zero = _mm_setzero_si128();\
+ const __m128i lo_2_30 = _mm_unpacklo_epi16(in[2], zero); \
+ const __m128i hi_2_30 = _mm_unpackhi_epi16(in[2], zero); \
+ \
+ const __m128i lo_26_6 = _mm_unpacklo_epi16(zero, in[6]); \
+ const __m128i hi_26_6 = _mm_unpackhi_epi16(zero, in[6]); \
+ \
+ MULTIPLICATION_AND_ADD_2(lo_2_30, hi_2_30, stg2_0, \
+ stg2_1, stp2_8, stp2_15); \
+ MULTIPLICATION_AND_ADD_2(lo_26_6, hi_26_6, stg2_6, \
+ stg2_7, stp2_11, stp2_12); \
+ \
+ stp2_16 = stp1_16; \
+ stp2_19 = stp1_19; \
+ \
+ stp2_20 = stp1_20; \
+ stp2_23 = stp1_23; \
+ \
+ stp2_24 = stp1_24; \
+ stp2_27 = stp1_27; \
+ \
+ stp2_28 = stp1_28; \
+ stp2_31 = stp1_31; \
+} \
+\
+/* Stage3 */ \
+{ \
+ const __m128i zero = _mm_setzero_si128();\
+ const __m128i lo_4_28 = _mm_unpacklo_epi16(in[4], zero); \
+ const __m128i hi_4_28 = _mm_unpackhi_epi16(in[4], zero); \
+ \
+ const __m128i lo_17_30 = _mm_unpacklo_epi16(stp1_16, stp1_31); \
+ const __m128i hi_17_30 = _mm_unpackhi_epi16(stp1_16, stp1_31); \
+ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp1_19, stp1_28); \
+ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp1_19, stp1_28); \
+ \
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp1_20, stp1_27); \
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp1_20, stp1_27); \
+ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp1_23, stp1_24); \
+ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp1_23, stp2_24); \
+ \
+ MULTIPLICATION_AND_ADD_2(lo_4_28, hi_4_28, stg3_0, \
+ stg3_1, stp1_4, stp1_7); \
+ \
+ stp1_8 = stp2_8; \
+ stp1_11 = stp2_11; \
+ stp1_12 = stp2_12; \
+ stp1_15 = stp2_15; \
+ \
+ MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4, \
+ stg3_5, stg3_6, stg3_4, stp1_17, stp1_30, \
+ stp1_18, stp1_29) \
+ MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8, \
+ stg3_9, stg3_10, stg3_8, stp1_21, stp1_26, \
+ stp1_22, stp1_25) \
+ \
+ stp1_16 = stp2_16; \
+ stp1_31 = stp2_31; \
+ stp1_19 = stp2_19; \
+ stp1_20 = stp2_20; \
+ stp1_23 = stp2_23; \
+ stp1_24 = stp2_24; \
+ stp1_27 = stp2_27; \
+ stp1_28 = stp2_28; \
+} \
+\
+/* Stage4 */ \
+{ \
+ const __m128i zero = _mm_setzero_si128();\
+ const __m128i lo_0_16 = _mm_unpacklo_epi16(in[0], zero); \
+ const __m128i hi_0_16 = _mm_unpackhi_epi16(in[0], zero); \
+ \
+ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp2_8, stp2_15); \
+ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp2_8, stp2_15); \
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp2_11, stp2_12); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp2_11, stp2_12); \
+ \
+ MULTIPLICATION_AND_ADD_2(lo_0_16, hi_0_16, stg4_0, \
+ stg4_1, stp2_0, stp2_1); \
+ \
+ stp2_4 = stp1_4; \
+ stp2_5 = stp1_4; \
+ stp2_6 = stp1_7; \
+ stp2_7 = stp1_7; \
+ \
+ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4, \
+ stg4_5, stg4_6, stg4_4, stp2_9, stp2_14, \
+ stp2_10, stp2_13) \
+ \
+ stp2_8 = stp1_8; \
+ stp2_15 = stp1_15; \
+ stp2_11 = stp1_11; \
+ stp2_12 = stp1_12; \
+ \
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_19); \
+ stp2_17 = _mm_add_epi16(stp1_17, stp1_18); \
+ stp2_18 = _mm_sub_epi16(stp1_17, stp1_18); \
+ stp2_19 = _mm_sub_epi16(stp1_16, stp1_19); \
+ stp2_20 = _mm_sub_epi16(stp1_23, stp1_20); \
+ stp2_21 = _mm_sub_epi16(stp1_22, stp1_21); \
+ stp2_22 = _mm_add_epi16(stp1_22, stp1_21); \
+ stp2_23 = _mm_add_epi16(stp1_23, stp1_20); \
+ \
+ stp2_24 = _mm_add_epi16(stp1_24, stp1_27); \
+ stp2_25 = _mm_add_epi16(stp1_25, stp1_26); \
+ stp2_26 = _mm_sub_epi16(stp1_25, stp1_26); \
+ stp2_27 = _mm_sub_epi16(stp1_24, stp1_27); \
+ stp2_28 = _mm_sub_epi16(stp1_31, stp1_28); \
+ stp2_29 = _mm_sub_epi16(stp1_30, stp1_29); \
+ stp2_30 = _mm_add_epi16(stp1_29, stp1_30); \
+ stp2_31 = _mm_add_epi16(stp1_28, stp1_31); \
+} \
+\
+/* Stage5 */ \
+{ \
+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
+ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
+ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
+ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
+ \
+ const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28); \
+ const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28); \
+ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
+ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
+ \
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
+ \
+ stp1_0 = stp2_0; \
+ stp1_1 = stp2_1; \
+ stp1_2 = stp2_1; \
+ stp1_3 = stp2_0; \
+ \
+ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
+ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
+ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
+ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ \
+ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
+ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
+ \
+ stp1_4 = stp2_4; \
+ stp1_7 = stp2_7; \
+ \
+ stp1_8 = _mm_add_epi16(stp2_8, stp2_11); \
+ stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
+ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
+ stp1_11 = _mm_sub_epi16(stp2_8, stp2_11); \
+ stp1_12 = _mm_sub_epi16(stp2_15, stp2_12); \
+ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
+ stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
+ stp1_15 = _mm_add_epi16(stp2_15, stp2_12); \
+ \
+ stp1_16 = stp2_16; \
+ stp1_17 = stp2_17; \
+ \
+ MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4, \
+ stg4_5, stg4_4, stg4_5, stp1_18, stp1_29, \
+ stp1_19, stp1_28) \
+ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6, \
+ stg4_4, stg4_6, stg4_4, stp1_20, stp1_27, \
+ stp1_21, stp1_26) \
+ \
+ stp1_22 = stp2_22; \
+ stp1_23 = stp2_23; \
+ stp1_24 = stp2_24; \
+ stp1_25 = stp2_25; \
+ stp1_30 = stp2_30; \
+ stp1_31 = stp2_31; \
+} \
+\
+/* Stage6 */ \
+{ \
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
+ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
+ \
+ stp2_0 = _mm_add_epi16(stp1_0, stp1_7); \
+ stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
+ stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
+ stp2_3 = _mm_add_epi16(stp1_3, stp1_4); \
+ stp2_4 = _mm_sub_epi16(stp1_3, stp1_4); \
+ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
+ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
+ stp2_7 = _mm_sub_epi16(stp1_0, stp1_7); \
+ \
+ stp2_8 = stp1_8; \
+ stp2_9 = stp1_9; \
+ stp2_14 = stp1_14; \
+ stp2_15 = stp1_15; \
+ \
+ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
+ stg6_0, stg4_0, stg6_0, stg4_0, stp2_10, \
+ stp2_13, stp2_11, stp2_12) \
+ \
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_23); \
+ stp2_17 = _mm_add_epi16(stp1_17, stp1_22); \
+ stp2_18 = _mm_add_epi16(stp1_18, stp1_21); \
+ stp2_19 = _mm_add_epi16(stp1_19, stp1_20); \
+ stp2_20 = _mm_sub_epi16(stp1_19, stp1_20); \
+ stp2_21 = _mm_sub_epi16(stp1_18, stp1_21); \
+ stp2_22 = _mm_sub_epi16(stp1_17, stp1_22); \
+ stp2_23 = _mm_sub_epi16(stp1_16, stp1_23); \
+ \
+ stp2_24 = _mm_sub_epi16(stp1_31, stp1_24); \
+ stp2_25 = _mm_sub_epi16(stp1_30, stp1_25); \
+ stp2_26 = _mm_sub_epi16(stp1_29, stp1_26); \
+ stp2_27 = _mm_sub_epi16(stp1_28, stp1_27); \
+ stp2_28 = _mm_add_epi16(stp1_27, stp1_28); \
+ stp2_29 = _mm_add_epi16(stp1_26, stp1_29); \
+ stp2_30 = _mm_add_epi16(stp1_25, stp1_30); \
+ stp2_31 = _mm_add_epi16(stp1_24, stp1_31); \
+} \
+\
+/* Stage7 */ \
+{ \
+ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
+ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
+ \
+ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
+ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
+ const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24); \
+ const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24); \
+ \
+ stp1_0 = _mm_add_epi16(stp2_0, stp2_15); \
+ stp1_1 = _mm_add_epi16(stp2_1, stp2_14); \
+ stp1_2 = _mm_add_epi16(stp2_2, stp2_13); \
+ stp1_3 = _mm_add_epi16(stp2_3, stp2_12); \
+ stp1_4 = _mm_add_epi16(stp2_4, stp2_11); \
+ stp1_5 = _mm_add_epi16(stp2_5, stp2_10); \
+ stp1_6 = _mm_add_epi16(stp2_6, stp2_9); \
+ stp1_7 = _mm_add_epi16(stp2_7, stp2_8); \
+ stp1_8 = _mm_sub_epi16(stp2_7, stp2_8); \
+ stp1_9 = _mm_sub_epi16(stp2_6, stp2_9); \
+ stp1_10 = _mm_sub_epi16(stp2_5, stp2_10); \
+ stp1_11 = _mm_sub_epi16(stp2_4, stp2_11); \
+ stp1_12 = _mm_sub_epi16(stp2_3, stp2_12); \
+ stp1_13 = _mm_sub_epi16(stp2_2, stp2_13); \
+ stp1_14 = _mm_sub_epi16(stp2_1, stp2_14); \
+ stp1_15 = _mm_sub_epi16(stp2_0, stp2_15); \
+ \
+ stp1_16 = stp2_16; \
+ stp1_17 = stp2_17; \
+ stp1_18 = stp2_18; \
+ stp1_19 = stp2_19; \
+ \
+ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0, \
+ stg4_0, stg6_0, stg4_0, stp1_20, stp1_27, \
+ stp1_21, stp1_26) \
+ MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0, \
+ stg4_0, stg6_0, stg4_0, stp1_22, stp1_25, \
+ stp1_23, stp1_24) \
+ \
+ stp1_28 = stp2_28; \
+ stp1_29 = stp2_29; \
+ stp1_30 = stp2_30; \
+ stp1_31 = stp2_31; \
+}
+
+
+#define IDCT32 \
+/* Stage1 */ \
+{ \
+ const __m128i lo_1_31 = _mm_unpacklo_epi16(in[1], in[31]); \
+ const __m128i hi_1_31 = _mm_unpackhi_epi16(in[1], in[31]); \
+ const __m128i lo_17_15 = _mm_unpacklo_epi16(in[17], in[15]); \
+ const __m128i hi_17_15 = _mm_unpackhi_epi16(in[17], in[15]); \
+ \
+ const __m128i lo_9_23 = _mm_unpacklo_epi16(in[9], in[23]); \
+ const __m128i hi_9_23 = _mm_unpackhi_epi16(in[9], in[23]); \
+ const __m128i lo_25_7= _mm_unpacklo_epi16(in[25], in[7]); \
+ const __m128i hi_25_7 = _mm_unpackhi_epi16(in[25], in[7]); \
+ \
+ const __m128i lo_5_27 = _mm_unpacklo_epi16(in[5], in[27]); \
+ const __m128i hi_5_27 = _mm_unpackhi_epi16(in[5], in[27]); \
+ const __m128i lo_21_11 = _mm_unpacklo_epi16(in[21], in[11]); \
+ const __m128i hi_21_11 = _mm_unpackhi_epi16(in[21], in[11]); \
+ \
+ const __m128i lo_13_19 = _mm_unpacklo_epi16(in[13], in[19]); \
+ const __m128i hi_13_19 = _mm_unpackhi_epi16(in[13], in[19]); \
+ const __m128i lo_29_3 = _mm_unpacklo_epi16(in[29], in[3]); \
+ const __m128i hi_29_3 = _mm_unpackhi_epi16(in[29], in[3]); \
+ \
+ MULTIPLICATION_AND_ADD(lo_1_31, hi_1_31, lo_17_15, hi_17_15, stg1_0, \
+ stg1_1, stg1_2, stg1_3, stp1_16, stp1_31, \
+ stp1_17, stp1_30) \
+ MULTIPLICATION_AND_ADD(lo_9_23, hi_9_23, lo_25_7, hi_25_7, stg1_4, \
+ stg1_5, stg1_6, stg1_7, stp1_18, stp1_29, \
+ stp1_19, stp1_28) \
+ MULTIPLICATION_AND_ADD(lo_5_27, hi_5_27, lo_21_11, hi_21_11, stg1_8, \
+ stg1_9, stg1_10, stg1_11, stp1_20, stp1_27, \
+ stp1_21, stp1_26) \
+ MULTIPLICATION_AND_ADD(lo_13_19, hi_13_19, lo_29_3, hi_29_3, stg1_12, \
+ stg1_13, stg1_14, stg1_15, stp1_22, stp1_25, \
+ stp1_23, stp1_24) \
+} \
+\
+/* Stage2 */ \
+{ \
+ const __m128i lo_2_30 = _mm_unpacklo_epi16(in[2], in[30]); \
+ const __m128i hi_2_30 = _mm_unpackhi_epi16(in[2], in[30]); \
+ const __m128i lo_18_14 = _mm_unpacklo_epi16(in[18], in[14]); \
+ const __m128i hi_18_14 = _mm_unpackhi_epi16(in[18], in[14]); \
+ \
+ const __m128i lo_10_22 = _mm_unpacklo_epi16(in[10], in[22]); \
+ const __m128i hi_10_22 = _mm_unpackhi_epi16(in[10], in[22]); \
+ const __m128i lo_26_6 = _mm_unpacklo_epi16(in[26], in[6]); \
+ const __m128i hi_26_6 = _mm_unpackhi_epi16(in[26], in[6]); \
+ \
+ MULTIPLICATION_AND_ADD(lo_2_30, hi_2_30, lo_18_14, hi_18_14, stg2_0, \
+ stg2_1, stg2_2, stg2_3, stp2_8, stp2_15, stp2_9, \
+ stp2_14) \
+ MULTIPLICATION_AND_ADD(lo_10_22, hi_10_22, lo_26_6, hi_26_6, stg2_4, \
+ stg2_5, stg2_6, stg2_7, stp2_10, stp2_13, \
+ stp2_11, stp2_12) \
+ \
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_17); \
+ stp2_17 = _mm_sub_epi16(stp1_16, stp1_17); \
+ stp2_18 = _mm_sub_epi16(stp1_19, stp1_18); \
+ stp2_19 = _mm_add_epi16(stp1_19, stp1_18); \
+ \
+ stp2_20 = _mm_add_epi16(stp1_20, stp1_21); \
+ stp2_21 = _mm_sub_epi16(stp1_20, stp1_21); \
+ stp2_22 = _mm_sub_epi16(stp1_23, stp1_22); \
+ stp2_23 = _mm_add_epi16(stp1_23, stp1_22); \
+ \
+ stp2_24 = _mm_add_epi16(stp1_24, stp1_25); \
+ stp2_25 = _mm_sub_epi16(stp1_24, stp1_25); \
+ stp2_26 = _mm_sub_epi16(stp1_27, stp1_26); \
+ stp2_27 = _mm_add_epi16(stp1_27, stp1_26); \
+ \
+ stp2_28 = _mm_add_epi16(stp1_28, stp1_29); \
+ stp2_29 = _mm_sub_epi16(stp1_28, stp1_29); \
+ stp2_30 = _mm_sub_epi16(stp1_31, stp1_30); \
+ stp2_31 = _mm_add_epi16(stp1_31, stp1_30); \
+} \
+\
+/* Stage3 */ \
+{ \
+ const __m128i lo_4_28 = _mm_unpacklo_epi16(in[4], in[28]); \
+ const __m128i hi_4_28 = _mm_unpackhi_epi16(in[4], in[28]); \
+ const __m128i lo_20_12 = _mm_unpacklo_epi16(in[20], in[12]); \
+ const __m128i hi_20_12 = _mm_unpackhi_epi16(in[20], in[12]); \
+ \
+ const __m128i lo_17_30 = _mm_unpacklo_epi16(stp2_17, stp2_30); \
+ const __m128i hi_17_30 = _mm_unpackhi_epi16(stp2_17, stp2_30); \
+ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
+ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
+ \
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
+ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
+ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
+ \
+ MULTIPLICATION_AND_ADD(lo_4_28, hi_4_28, lo_20_12, hi_20_12, stg3_0, \
+ stg3_1, stg3_2, stg3_3, stp1_4, stp1_7, stp1_5, \
+ stp1_6) \
+ \
+ stp1_8 = _mm_add_epi16(stp2_8, stp2_9); \
+ stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \
+ stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \
+ stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \
+ stp1_12 = _mm_add_epi16(stp2_12, stp2_13); \
+ stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \
+ stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \
+ stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \
+ \
+ MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4, \
+ stg3_5, stg3_6, stg3_4, stp1_17, stp1_30, \
+ stp1_18, stp1_29) \
+ MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8, \
+ stg3_9, stg3_10, stg3_8, stp1_21, stp1_26, \
+ stp1_22, stp1_25) \
+ \
+ stp1_16 = stp2_16; \
+ stp1_31 = stp2_31; \
+ stp1_19 = stp2_19; \
+ stp1_20 = stp2_20; \
+ stp1_23 = stp2_23; \
+ stp1_24 = stp2_24; \
+ stp1_27 = stp2_27; \
+ stp1_28 = stp2_28; \
+} \
+\
+/* Stage4 */ \
+{ \
+ const __m128i lo_0_16 = _mm_unpacklo_epi16(in[0], in[16]); \
+ const __m128i hi_0_16 = _mm_unpackhi_epi16(in[0], in[16]); \
+ const __m128i lo_8_24 = _mm_unpacklo_epi16(in[8], in[24]); \
+ const __m128i hi_8_24 = _mm_unpackhi_epi16(in[8], in[24]); \
+ \
+ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \
+ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ \
+ MULTIPLICATION_AND_ADD(lo_0_16, hi_0_16, lo_8_24, hi_8_24, stg4_0, \
+ stg4_1, stg4_2, stg4_3, stp2_0, stp2_1, \
+ stp2_2, stp2_3) \
+ \
+ stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \
+ stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \
+ stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \
+ stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \
+ \
+ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4, \
+ stg4_5, stg4_6, stg4_4, stp2_9, stp2_14, \
+ stp2_10, stp2_13) \
+ \
+ stp2_8 = stp1_8; \
+ stp2_15 = stp1_15; \
+ stp2_11 = stp1_11; \
+ stp2_12 = stp1_12; \
+ \
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_19); \
+ stp2_17 = _mm_add_epi16(stp1_17, stp1_18); \
+ stp2_18 = _mm_sub_epi16(stp1_17, stp1_18); \
+ stp2_19 = _mm_sub_epi16(stp1_16, stp1_19); \
+ stp2_20 = _mm_sub_epi16(stp1_23, stp1_20); \
+ stp2_21 = _mm_sub_epi16(stp1_22, stp1_21); \
+ stp2_22 = _mm_add_epi16(stp1_22, stp1_21); \
+ stp2_23 = _mm_add_epi16(stp1_23, stp1_20); \
+ \
+ stp2_24 = _mm_add_epi16(stp1_24, stp1_27); \
+ stp2_25 = _mm_add_epi16(stp1_25, stp1_26); \
+ stp2_26 = _mm_sub_epi16(stp1_25, stp1_26); \
+ stp2_27 = _mm_sub_epi16(stp1_24, stp1_27); \
+ stp2_28 = _mm_sub_epi16(stp1_31, stp1_28); \
+ stp2_29 = _mm_sub_epi16(stp1_30, stp1_29); \
+ stp2_30 = _mm_add_epi16(stp1_29, stp1_30); \
+ stp2_31 = _mm_add_epi16(stp1_28, stp1_31); \
+} \
+\
+/* Stage5 */ \
+{ \
+ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \
+ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \
+ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \
+ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \
+ \
+ const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28); \
+ const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28); \
+ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
+ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
+ \
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
+ \
+ stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \
+ stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \
+ stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \
+ stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \
+ \
+ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \
+ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \
+ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \
+ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \
+ \
+ tmp0 = _mm_add_epi32(tmp0, rounding); \
+ tmp1 = _mm_add_epi32(tmp1, rounding); \
+ tmp2 = _mm_add_epi32(tmp2, rounding); \
+ tmp3 = _mm_add_epi32(tmp3, rounding); \
+ \
+ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \
+ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \
+ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \
+ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \
+ \
+ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \
+ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \
+ \
+ stp1_4 = stp2_4; \
+ stp1_7 = stp2_7; \
+ \
+ stp1_8 = _mm_add_epi16(stp2_8, stp2_11); \
+ stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \
+ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \
+ stp1_11 = _mm_sub_epi16(stp2_8, stp2_11); \
+ stp1_12 = _mm_sub_epi16(stp2_15, stp2_12); \
+ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \
+ stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \
+ stp1_15 = _mm_add_epi16(stp2_15, stp2_12); \
+ \
+ stp1_16 = stp2_16; \
+ stp1_17 = stp2_17; \
+ \
+ MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4, \
+ stg4_5, stg4_4, stg4_5, stp1_18, stp1_29, \
+ stp1_19, stp1_28) \
+ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6, \
+ stg4_4, stg4_6, stg4_4, stp1_20, stp1_27, \
+ stp1_21, stp1_26) \
+ \
+ stp1_22 = stp2_22; \
+ stp1_23 = stp2_23; \
+ stp1_24 = stp2_24; \
+ stp1_25 = stp2_25; \
+ stp1_30 = stp2_30; \
+ stp1_31 = stp2_31; \
+} \
+\
+/* Stage6 */ \
+{ \
+ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \
+ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \
+ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \
+ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \
+ \
+ stp2_0 = _mm_add_epi16(stp1_0, stp1_7); \
+ stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \
+ stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \
+ stp2_3 = _mm_add_epi16(stp1_3, stp1_4); \
+ stp2_4 = _mm_sub_epi16(stp1_3, stp1_4); \
+ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \
+ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \
+ stp2_7 = _mm_sub_epi16(stp1_0, stp1_7); \
+ \
+ stp2_8 = stp1_8; \
+ stp2_9 = stp1_9; \
+ stp2_14 = stp1_14; \
+ stp2_15 = stp1_15; \
+ \
+ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \
+ stg6_0, stg4_0, stg6_0, stg4_0, stp2_10, \
+ stp2_13, stp2_11, stp2_12) \
+ \
+ stp2_16 = _mm_add_epi16(stp1_16, stp1_23); \
+ stp2_17 = _mm_add_epi16(stp1_17, stp1_22); \
+ stp2_18 = _mm_add_epi16(stp1_18, stp1_21); \
+ stp2_19 = _mm_add_epi16(stp1_19, stp1_20); \
+ stp2_20 = _mm_sub_epi16(stp1_19, stp1_20); \
+ stp2_21 = _mm_sub_epi16(stp1_18, stp1_21); \
+ stp2_22 = _mm_sub_epi16(stp1_17, stp1_22); \
+ stp2_23 = _mm_sub_epi16(stp1_16, stp1_23); \
+ \
+ stp2_24 = _mm_sub_epi16(stp1_31, stp1_24); \
+ stp2_25 = _mm_sub_epi16(stp1_30, stp1_25); \
+ stp2_26 = _mm_sub_epi16(stp1_29, stp1_26); \
+ stp2_27 = _mm_sub_epi16(stp1_28, stp1_27); \
+ stp2_28 = _mm_add_epi16(stp1_27, stp1_28); \
+ stp2_29 = _mm_add_epi16(stp1_26, stp1_29); \
+ stp2_30 = _mm_add_epi16(stp1_25, stp1_30); \
+ stp2_31 = _mm_add_epi16(stp1_24, stp1_31); \
+} \
+\
+/* Stage7 */ \
+{ \
+ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \
+ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \
+ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \
+ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \
+ \
+ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \
+ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \
+ const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24); \
+ const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24); \
+ \
+ stp1_0 = _mm_add_epi16(stp2_0, stp2_15); \
+ stp1_1 = _mm_add_epi16(stp2_1, stp2_14); \
+ stp1_2 = _mm_add_epi16(stp2_2, stp2_13); \
+ stp1_3 = _mm_add_epi16(stp2_3, stp2_12); \
+ stp1_4 = _mm_add_epi16(stp2_4, stp2_11); \
+ stp1_5 = _mm_add_epi16(stp2_5, stp2_10); \
+ stp1_6 = _mm_add_epi16(stp2_6, stp2_9); \
+ stp1_7 = _mm_add_epi16(stp2_7, stp2_8); \
+ stp1_8 = _mm_sub_epi16(stp2_7, stp2_8); \
+ stp1_9 = _mm_sub_epi16(stp2_6, stp2_9); \
+ stp1_10 = _mm_sub_epi16(stp2_5, stp2_10); \
+ stp1_11 = _mm_sub_epi16(stp2_4, stp2_11); \
+ stp1_12 = _mm_sub_epi16(stp2_3, stp2_12); \
+ stp1_13 = _mm_sub_epi16(stp2_2, stp2_13); \
+ stp1_14 = _mm_sub_epi16(stp2_1, stp2_14); \
+ stp1_15 = _mm_sub_epi16(stp2_0, stp2_15); \
+ \
+ stp1_16 = stp2_16; \
+ stp1_17 = stp2_17; \
+ stp1_18 = stp2_18; \
+ stp1_19 = stp2_19; \
+ \
+ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0, \
+ stg4_0, stg6_0, stg4_0, stp1_20, stp1_27, \
+ stp1_21, stp1_26) \
+ MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0, \
+ stg4_0, stg6_0, stg4_0, stp1_22, stp1_25, \
+ stp1_23, stp1_24) \
+ \
+ stp1_28 = stp2_28; \
+ stp1_29 = stp2_29; \
+ stp1_30 = stp2_30; \
+ stp1_31 = stp2_31; \
+}
+
+// Only upper-left 8x8 has non-zero coeff
+void vp9_idct32x32_34_add_sse2(const int16_t *input, uint8_t *dest,
+ int stride) {
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1<<5);
+
+ // idct constants for each stage
+ const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64);
+ const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64);
+ const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64);
+ const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64);
+ const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64);
+ const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64);
+ const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64);
+ const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64);
+
+ const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
+
+ const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
+ const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
+ const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
+ const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
+
+ const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
+
+ const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+
+ __m128i in[32], col[32];
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
+ stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
+ stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22,
+ stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29,
+ stp1_30, stp1_31;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
+ stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15,
+ stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22,
+ stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29,
+ stp2_30, stp2_31;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int i;
+
+ // Load input data. Only need to load the top left 8x8 block.
+ in[0] = _mm_load_si128((const __m128i *)input);
+ in[1] = _mm_load_si128((const __m128i *)(input + 32));
+ in[2] = _mm_load_si128((const __m128i *)(input + 64));
+ in[3] = _mm_load_si128((const __m128i *)(input + 96));
+ in[4] = _mm_load_si128((const __m128i *)(input + 128));
+ in[5] = _mm_load_si128((const __m128i *)(input + 160));
+ in[6] = _mm_load_si128((const __m128i *)(input + 192));
+ in[7] = _mm_load_si128((const __m128i *)(input + 224));
+
+ for (i = 8; i < 32; ++i) {
+ in[i] = _mm_setzero_si128();
+ }
+
+ array_transpose_8x8(in, in);
+ // TODO(hkuang): Following transposes are unnecessary. But remove them will
+ // lead to performance drop on some devices.
+ array_transpose_8x8(in + 8, in + 8);
+ array_transpose_8x8(in + 16, in + 16);
+ array_transpose_8x8(in + 24, in + 24);
+
+ IDCT32_34
+
+ // 1_D: Store 32 intermediate results for each 8x32 block.
+ col[0] = _mm_add_epi16(stp1_0, stp1_31);
+ col[1] = _mm_add_epi16(stp1_1, stp1_30);
+ col[2] = _mm_add_epi16(stp1_2, stp1_29);
+ col[3] = _mm_add_epi16(stp1_3, stp1_28);
+ col[4] = _mm_add_epi16(stp1_4, stp1_27);
+ col[5] = _mm_add_epi16(stp1_5, stp1_26);
+ col[6] = _mm_add_epi16(stp1_6, stp1_25);
+ col[7] = _mm_add_epi16(stp1_7, stp1_24);
+ col[8] = _mm_add_epi16(stp1_8, stp1_23);
+ col[9] = _mm_add_epi16(stp1_9, stp1_22);
+ col[10] = _mm_add_epi16(stp1_10, stp1_21);
+ col[11] = _mm_add_epi16(stp1_11, stp1_20);
+ col[12] = _mm_add_epi16(stp1_12, stp1_19);
+ col[13] = _mm_add_epi16(stp1_13, stp1_18);
+ col[14] = _mm_add_epi16(stp1_14, stp1_17);
+ col[15] = _mm_add_epi16(stp1_15, stp1_16);
+ col[16] = _mm_sub_epi16(stp1_15, stp1_16);
+ col[17] = _mm_sub_epi16(stp1_14, stp1_17);
+ col[18] = _mm_sub_epi16(stp1_13, stp1_18);
+ col[19] = _mm_sub_epi16(stp1_12, stp1_19);
+ col[20] = _mm_sub_epi16(stp1_11, stp1_20);
+ col[21] = _mm_sub_epi16(stp1_10, stp1_21);
+ col[22] = _mm_sub_epi16(stp1_9, stp1_22);
+ col[23] = _mm_sub_epi16(stp1_8, stp1_23);
+ col[24] = _mm_sub_epi16(stp1_7, stp1_24);
+ col[25] = _mm_sub_epi16(stp1_6, stp1_25);
+ col[26] = _mm_sub_epi16(stp1_5, stp1_26);
+ col[27] = _mm_sub_epi16(stp1_4, stp1_27);
+ col[28] = _mm_sub_epi16(stp1_3, stp1_28);
+ col[29] = _mm_sub_epi16(stp1_2, stp1_29);
+ col[30] = _mm_sub_epi16(stp1_1, stp1_30);
+ col[31] = _mm_sub_epi16(stp1_0, stp1_31);
+ for (i = 0; i < 4; i++) {
+ int j;
+ const __m128i zero = _mm_setzero_si128();
+ // Transpose 32x8 block to 8x32 block
+ array_transpose_8x8(col + i * 8, in);
+ IDCT32_34
+
+ // 2_D: Calculate the results and store them to destination.
+ in[0] = _mm_add_epi16(stp1_0, stp1_31);
+ in[1] = _mm_add_epi16(stp1_1, stp1_30);
+ in[2] = _mm_add_epi16(stp1_2, stp1_29);
+ in[3] = _mm_add_epi16(stp1_3, stp1_28);
+ in[4] = _mm_add_epi16(stp1_4, stp1_27);
+ in[5] = _mm_add_epi16(stp1_5, stp1_26);
+ in[6] = _mm_add_epi16(stp1_6, stp1_25);
+ in[7] = _mm_add_epi16(stp1_7, stp1_24);
+ in[8] = _mm_add_epi16(stp1_8, stp1_23);
+ in[9] = _mm_add_epi16(stp1_9, stp1_22);
+ in[10] = _mm_add_epi16(stp1_10, stp1_21);
+ in[11] = _mm_add_epi16(stp1_11, stp1_20);
+ in[12] = _mm_add_epi16(stp1_12, stp1_19);
+ in[13] = _mm_add_epi16(stp1_13, stp1_18);
+ in[14] = _mm_add_epi16(stp1_14, stp1_17);
+ in[15] = _mm_add_epi16(stp1_15, stp1_16);
+ in[16] = _mm_sub_epi16(stp1_15, stp1_16);
+ in[17] = _mm_sub_epi16(stp1_14, stp1_17);
+ in[18] = _mm_sub_epi16(stp1_13, stp1_18);
+ in[19] = _mm_sub_epi16(stp1_12, stp1_19);
+ in[20] = _mm_sub_epi16(stp1_11, stp1_20);
+ in[21] = _mm_sub_epi16(stp1_10, stp1_21);
+ in[22] = _mm_sub_epi16(stp1_9, stp1_22);
+ in[23] = _mm_sub_epi16(stp1_8, stp1_23);
+ in[24] = _mm_sub_epi16(stp1_7, stp1_24);
+ in[25] = _mm_sub_epi16(stp1_6, stp1_25);
+ in[26] = _mm_sub_epi16(stp1_5, stp1_26);
+ in[27] = _mm_sub_epi16(stp1_4, stp1_27);
+ in[28] = _mm_sub_epi16(stp1_3, stp1_28);
+ in[29] = _mm_sub_epi16(stp1_2, stp1_29);
+ in[30] = _mm_sub_epi16(stp1_1, stp1_30);
+ in[31] = _mm_sub_epi16(stp1_0, stp1_31);
+
+ for (j = 0; j < 32; ++j) {
+ // Final rounding and shift
+ in[j] = _mm_adds_epi16(in[j], final_rounding);
+ in[j] = _mm_srai_epi16(in[j], 6);
+ RECON_AND_STORE(dest + j * stride, in[j]);
+ }
+
+ dest += 8;
+ }
+}
+
+void vp9_idct32x32_1024_add_sse2(const int16_t *input, uint8_t *dest,
+ int stride) {
+ const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING);
+ const __m128i final_rounding = _mm_set1_epi16(1 << 5);
+ const __m128i zero = _mm_setzero_si128();
+
+ // idct constants for each stage
+ const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64);
+ const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64);
+ const __m128i stg1_2 = pair_set_epi16(cospi_15_64, -cospi_17_64);
+ const __m128i stg1_3 = pair_set_epi16(cospi_17_64, cospi_15_64);
+ const __m128i stg1_4 = pair_set_epi16(cospi_23_64, -cospi_9_64);
+ const __m128i stg1_5 = pair_set_epi16(cospi_9_64, cospi_23_64);
+ const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64);
+ const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64);
+ const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64);
+ const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64);
+ const __m128i stg1_10 = pair_set_epi16(cospi_11_64, -cospi_21_64);
+ const __m128i stg1_11 = pair_set_epi16(cospi_21_64, cospi_11_64);
+ const __m128i stg1_12 = pair_set_epi16(cospi_19_64, -cospi_13_64);
+ const __m128i stg1_13 = pair_set_epi16(cospi_13_64, cospi_19_64);
+ const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64);
+ const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64);
+
+ const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64);
+ const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64);
+ const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64);
+ const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64);
+ const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64);
+ const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64);
+ const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64);
+ const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64);
+
+ const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64);
+ const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64);
+ const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64);
+ const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64);
+ const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64);
+ const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64);
+ const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
+ const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64);
+ const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64);
+ const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
+
+ const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64);
+ const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64);
+ const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64);
+ const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64);
+ const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64);
+ const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64);
+ const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
+
+ const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64);
+
+ __m128i in[32], col[128], zero_idx[16];
+ __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7,
+ stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15,
+ stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22,
+ stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29,
+ stp1_30, stp1_31;
+ __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7,
+ stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15,
+ stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22,
+ stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29,
+ stp2_30, stp2_31;
+ __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int i, j, i32;
+
+ for (i = 0; i < 4; i++) {
+ i32 = (i << 5);
+ // First 1-D idct
+ // Load input data.
+ LOAD_DQCOEFF(in[0], input);
+ LOAD_DQCOEFF(in[8], input);
+ LOAD_DQCOEFF(in[16], input);
+ LOAD_DQCOEFF(in[24], input);
+ LOAD_DQCOEFF(in[1], input);
+ LOAD_DQCOEFF(in[9], input);
+ LOAD_DQCOEFF(in[17], input);
+ LOAD_DQCOEFF(in[25], input);
+ LOAD_DQCOEFF(in[2], input);
+ LOAD_DQCOEFF(in[10], input);
+ LOAD_DQCOEFF(in[18], input);
+ LOAD_DQCOEFF(in[26], input);
+ LOAD_DQCOEFF(in[3], input);
+ LOAD_DQCOEFF(in[11], input);
+ LOAD_DQCOEFF(in[19], input);
+ LOAD_DQCOEFF(in[27], input);
+
+ LOAD_DQCOEFF(in[4], input);
+ LOAD_DQCOEFF(in[12], input);
+ LOAD_DQCOEFF(in[20], input);
+ LOAD_DQCOEFF(in[28], input);
+ LOAD_DQCOEFF(in[5], input);
+ LOAD_DQCOEFF(in[13], input);
+ LOAD_DQCOEFF(in[21], input);
+ LOAD_DQCOEFF(in[29], input);
+ LOAD_DQCOEFF(in[6], input);
+ LOAD_DQCOEFF(in[14], input);
+ LOAD_DQCOEFF(in[22], input);
+ LOAD_DQCOEFF(in[30], input);
+ LOAD_DQCOEFF(in[7], input);
+ LOAD_DQCOEFF(in[15], input);
+ LOAD_DQCOEFF(in[23], input);
+ LOAD_DQCOEFF(in[31], input);
+
+ // checking if all entries are zero
+ zero_idx[0] = _mm_or_si128(in[0], in[1]);
+ zero_idx[1] = _mm_or_si128(in[2], in[3]);
+ zero_idx[2] = _mm_or_si128(in[4], in[5]);
+ zero_idx[3] = _mm_or_si128(in[6], in[7]);
+ zero_idx[4] = _mm_or_si128(in[8], in[9]);
+ zero_idx[5] = _mm_or_si128(in[10], in[11]);
+ zero_idx[6] = _mm_or_si128(in[12], in[13]);
+ zero_idx[7] = _mm_or_si128(in[14], in[15]);
+ zero_idx[8] = _mm_or_si128(in[16], in[17]);
+ zero_idx[9] = _mm_or_si128(in[18], in[19]);
+ zero_idx[10] = _mm_or_si128(in[20], in[21]);
+ zero_idx[11] = _mm_or_si128(in[22], in[23]);
+ zero_idx[12] = _mm_or_si128(in[24], in[25]);
+ zero_idx[13] = _mm_or_si128(in[26], in[27]);
+ zero_idx[14] = _mm_or_si128(in[28], in[29]);
+ zero_idx[15] = _mm_or_si128(in[30], in[31]);
+
+ zero_idx[0] = _mm_or_si128(zero_idx[0], zero_idx[1]);
+ zero_idx[1] = _mm_or_si128(zero_idx[2], zero_idx[3]);
+ zero_idx[2] = _mm_or_si128(zero_idx[4], zero_idx[5]);
+ zero_idx[3] = _mm_or_si128(zero_idx[6], zero_idx[7]);
+ zero_idx[4] = _mm_or_si128(zero_idx[8], zero_idx[9]);
+ zero_idx[5] = _mm_or_si128(zero_idx[10], zero_idx[11]);
+ zero_idx[6] = _mm_or_si128(zero_idx[12], zero_idx[13]);
+ zero_idx[7] = _mm_or_si128(zero_idx[14], zero_idx[15]);
+
+ zero_idx[8] = _mm_or_si128(zero_idx[0], zero_idx[1]);
+ zero_idx[9] = _mm_or_si128(zero_idx[2], zero_idx[3]);
+ zero_idx[10] = _mm_or_si128(zero_idx[4], zero_idx[5]);
+ zero_idx[11] = _mm_or_si128(zero_idx[6], zero_idx[7]);
+ zero_idx[12] = _mm_or_si128(zero_idx[8], zero_idx[9]);
+ zero_idx[13] = _mm_or_si128(zero_idx[10], zero_idx[11]);
+ zero_idx[14] = _mm_or_si128(zero_idx[12], zero_idx[13]);
+
+ if (_mm_movemask_epi8(_mm_cmpeq_epi32(zero_idx[14], zero)) == 0xFFFF) {
+ col[i32 + 0] = _mm_setzero_si128();
+ col[i32 + 1] = _mm_setzero_si128();
+ col[i32 + 2] = _mm_setzero_si128();
+ col[i32 + 3] = _mm_setzero_si128();
+ col[i32 + 4] = _mm_setzero_si128();
+ col[i32 + 5] = _mm_setzero_si128();
+ col[i32 + 6] = _mm_setzero_si128();
+ col[i32 + 7] = _mm_setzero_si128();
+ col[i32 + 8] = _mm_setzero_si128();
+ col[i32 + 9] = _mm_setzero_si128();
+ col[i32 + 10] = _mm_setzero_si128();
+ col[i32 + 11] = _mm_setzero_si128();
+ col[i32 + 12] = _mm_setzero_si128();
+ col[i32 + 13] = _mm_setzero_si128();
+ col[i32 + 14] = _mm_setzero_si128();
+ col[i32 + 15] = _mm_setzero_si128();
+ col[i32 + 16] = _mm_setzero_si128();
+ col[i32 + 17] = _mm_setzero_si128();
+ col[i32 + 18] = _mm_setzero_si128();
+ col[i32 + 19] = _mm_setzero_si128();
+ col[i32 + 20] = _mm_setzero_si128();
+ col[i32 + 21] = _mm_setzero_si128();
+ col[i32 + 22] = _mm_setzero_si128();
+ col[i32 + 23] = _mm_setzero_si128();
+ col[i32 + 24] = _mm_setzero_si128();
+ col[i32 + 25] = _mm_setzero_si128();
+ col[i32 + 26] = _mm_setzero_si128();
+ col[i32 + 27] = _mm_setzero_si128();
+ col[i32 + 28] = _mm_setzero_si128();
+ col[i32 + 29] = _mm_setzero_si128();
+ col[i32 + 30] = _mm_setzero_si128();
+ col[i32 + 31] = _mm_setzero_si128();
+ continue;
+ }
+
+ // Transpose 32x8 block to 8x32 block
+ array_transpose_8x8(in, in);
+ array_transpose_8x8(in + 8, in + 8);
+ array_transpose_8x8(in + 16, in + 16);
+ array_transpose_8x8(in + 24, in + 24);
+
+ IDCT32
+
+ // 1_D: Store 32 intermediate results for each 8x32 block.
+ col[i32 + 0] = _mm_add_epi16(stp1_0, stp1_31);
+ col[i32 + 1] = _mm_add_epi16(stp1_1, stp1_30);
+ col[i32 + 2] = _mm_add_epi16(stp1_2, stp1_29);
+ col[i32 + 3] = _mm_add_epi16(stp1_3, stp1_28);
+ col[i32 + 4] = _mm_add_epi16(stp1_4, stp1_27);
+ col[i32 + 5] = _mm_add_epi16(stp1_5, stp1_26);
+ col[i32 + 6] = _mm_add_epi16(stp1_6, stp1_25);
+ col[i32 + 7] = _mm_add_epi16(stp1_7, stp1_24);
+ col[i32 + 8] = _mm_add_epi16(stp1_8, stp1_23);
+ col[i32 + 9] = _mm_add_epi16(stp1_9, stp1_22);
+ col[i32 + 10] = _mm_add_epi16(stp1_10, stp1_21);
+ col[i32 + 11] = _mm_add_epi16(stp1_11, stp1_20);
+ col[i32 + 12] = _mm_add_epi16(stp1_12, stp1_19);
+ col[i32 + 13] = _mm_add_epi16(stp1_13, stp1_18);
+ col[i32 + 14] = _mm_add_epi16(stp1_14, stp1_17);
+ col[i32 + 15] = _mm_add_epi16(stp1_15, stp1_16);
+ col[i32 + 16] = _mm_sub_epi16(stp1_15, stp1_16);
+ col[i32 + 17] = _mm_sub_epi16(stp1_14, stp1_17);
+ col[i32 + 18] = _mm_sub_epi16(stp1_13, stp1_18);
+ col[i32 + 19] = _mm_sub_epi16(stp1_12, stp1_19);
+ col[i32 + 20] = _mm_sub_epi16(stp1_11, stp1_20);
+ col[i32 + 21] = _mm_sub_epi16(stp1_10, stp1_21);
+ col[i32 + 22] = _mm_sub_epi16(stp1_9, stp1_22);
+ col[i32 + 23] = _mm_sub_epi16(stp1_8, stp1_23);
+ col[i32 + 24] = _mm_sub_epi16(stp1_7, stp1_24);
+ col[i32 + 25] = _mm_sub_epi16(stp1_6, stp1_25);
+ col[i32 + 26] = _mm_sub_epi16(stp1_5, stp1_26);
+ col[i32 + 27] = _mm_sub_epi16(stp1_4, stp1_27);
+ col[i32 + 28] = _mm_sub_epi16(stp1_3, stp1_28);
+ col[i32 + 29] = _mm_sub_epi16(stp1_2, stp1_29);
+ col[i32 + 30] = _mm_sub_epi16(stp1_1, stp1_30);
+ col[i32 + 31] = _mm_sub_epi16(stp1_0, stp1_31);
+ }
+ for (i = 0; i < 4; i++) {
+ // Second 1-D idct
+ j = i << 3;
+
+ // Transpose 32x8 block to 8x32 block
+ array_transpose_8x8(col + j, in);
+ array_transpose_8x8(col + j + 32, in + 8);
+ array_transpose_8x8(col + j + 64, in + 16);
+ array_transpose_8x8(col + j + 96, in + 24);
+
+ IDCT32
+
+ // 2_D: Calculate the results and store them to destination.
+ in[0] = _mm_add_epi16(stp1_0, stp1_31);
+ in[1] = _mm_add_epi16(stp1_1, stp1_30);
+ in[2] = _mm_add_epi16(stp1_2, stp1_29);
+ in[3] = _mm_add_epi16(stp1_3, stp1_28);
+ in[4] = _mm_add_epi16(stp1_4, stp1_27);
+ in[5] = _mm_add_epi16(stp1_5, stp1_26);
+ in[6] = _mm_add_epi16(stp1_6, stp1_25);
+ in[7] = _mm_add_epi16(stp1_7, stp1_24);
+ in[8] = _mm_add_epi16(stp1_8, stp1_23);
+ in[9] = _mm_add_epi16(stp1_9, stp1_22);
+ in[10] = _mm_add_epi16(stp1_10, stp1_21);
+ in[11] = _mm_add_epi16(stp1_11, stp1_20);
+ in[12] = _mm_add_epi16(stp1_12, stp1_19);
+ in[13] = _mm_add_epi16(stp1_13, stp1_18);
+ in[14] = _mm_add_epi16(stp1_14, stp1_17);
+ in[15] = _mm_add_epi16(stp1_15, stp1_16);
+ in[16] = _mm_sub_epi16(stp1_15, stp1_16);
+ in[17] = _mm_sub_epi16(stp1_14, stp1_17);
+ in[18] = _mm_sub_epi16(stp1_13, stp1_18);
+ in[19] = _mm_sub_epi16(stp1_12, stp1_19);
+ in[20] = _mm_sub_epi16(stp1_11, stp1_20);
+ in[21] = _mm_sub_epi16(stp1_10, stp1_21);
+ in[22] = _mm_sub_epi16(stp1_9, stp1_22);
+ in[23] = _mm_sub_epi16(stp1_8, stp1_23);
+ in[24] = _mm_sub_epi16(stp1_7, stp1_24);
+ in[25] = _mm_sub_epi16(stp1_6, stp1_25);
+ in[26] = _mm_sub_epi16(stp1_5, stp1_26);
+ in[27] = _mm_sub_epi16(stp1_4, stp1_27);
+ in[28] = _mm_sub_epi16(stp1_3, stp1_28);
+ in[29] = _mm_sub_epi16(stp1_2, stp1_29);
+ in[30] = _mm_sub_epi16(stp1_1, stp1_30);
+ in[31] = _mm_sub_epi16(stp1_0, stp1_31);
+
+ for (j = 0; j < 32; ++j) {
+ // Final rounding and shift
+ in[j] = _mm_adds_epi16(in[j], final_rounding);
+ in[j] = _mm_srai_epi16(in[j], 6);
+ RECON_AND_STORE(dest + j * stride, in[j]);
+ }
+
+ dest += 8;
+ }
+}
+
+void vp9_idct32x32_1_add_sse2(const int16_t *input, uint8_t *dest, int stride) {
+ __m128i dc_value;
+ const __m128i zero = _mm_setzero_si128();
+ int a, i;
+
+ a = dct_const_round_shift(input[0] * cospi_16_64);
+ a = dct_const_round_shift(a * cospi_16_64);
+ a = ROUND_POWER_OF_TWO(a, 6);
+
+ dc_value = _mm_set1_epi16(a);
+
+ for (i = 0; i < 4; ++i) {
+ int j;
+ for (j = 0; j < 32; ++j) {
+ RECON_AND_STORE(dest + j * stride, dc_value);
+ }
+ dest += 8;
+ }
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+static INLINE __m128i clamp_high_sse2(__m128i value, int bd) {
+ __m128i ubounded, retval;
+ const __m128i zero = _mm_set1_epi16(0);
+ const __m128i one = _mm_set1_epi16(1);
+ const __m128i max = _mm_subs_epi16(_mm_slli_epi16(one, bd), one);
+ ubounded = _mm_cmpgt_epi16(value, max);
+ retval = _mm_andnot_si128(ubounded, value);
+ ubounded = _mm_and_si128(ubounded, max);
+ retval = _mm_or_si128(retval, ubounded);
+ retval = _mm_and_si128(retval, _mm_cmpgt_epi16(retval, zero));
+ return retval;
+}
+
+void vp9_highbd_idct4x4_16_add_sse2(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[4 * 4];
+ tran_low_t *outptr = out;
+ int i, j;
+ __m128i inptr[4];
+ __m128i sign_bits[2];
+ __m128i temp_mm, min_input, max_input;
+ int test;
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+ int optimised_cols = 0;
+ const __m128i zero = _mm_set1_epi16(0);
+ const __m128i eight = _mm_set1_epi16(8);
+ const __m128i max = _mm_set1_epi16(12043);
+ const __m128i min = _mm_set1_epi16(-12043);
+ // Load input into __m128i
+ inptr[0] = _mm_loadu_si128((const __m128i *)input);
+ inptr[1] = _mm_loadu_si128((const __m128i *)(input + 4));
+ inptr[2] = _mm_loadu_si128((const __m128i *)(input + 8));
+ inptr[3] = _mm_loadu_si128((const __m128i *)(input + 12));
+
+ // Pack to 16 bits
+ inptr[0] = _mm_packs_epi32(inptr[0], inptr[1]);
+ inptr[1] = _mm_packs_epi32(inptr[2], inptr[3]);
+
+ max_input = _mm_max_epi16(inptr[0], inptr[1]);
+ min_input = _mm_min_epi16(inptr[0], inptr[1]);
+ max_input = _mm_cmpgt_epi16(max_input, max);
+ min_input = _mm_cmplt_epi16(min_input, min);
+ temp_mm = _mm_or_si128(max_input, min_input);
+ test = _mm_movemask_epi8(temp_mm);
+
+ if (!test) {
+ // Do the row transform
+ idct4_sse2(inptr);
+
+ // Check the min & max values
+ max_input = _mm_max_epi16(inptr[0], inptr[1]);
+ min_input = _mm_min_epi16(inptr[0], inptr[1]);
+ max_input = _mm_cmpgt_epi16(max_input, max);
+ min_input = _mm_cmplt_epi16(min_input, min);
+ temp_mm = _mm_or_si128(max_input, min_input);
+ test = _mm_movemask_epi8(temp_mm);
+
+ if (test) {
+ transpose_4x4(inptr);
+ sign_bits[0] = _mm_cmplt_epi16(inptr[0], zero);
+ sign_bits[1] = _mm_cmplt_epi16(inptr[1], zero);
+ inptr[3] = _mm_unpackhi_epi16(inptr[1], sign_bits[1]);
+ inptr[2] = _mm_unpacklo_epi16(inptr[1], sign_bits[1]);
+ inptr[1] = _mm_unpackhi_epi16(inptr[0], sign_bits[0]);
+ inptr[0] = _mm_unpacklo_epi16(inptr[0], sign_bits[0]);
+ _mm_storeu_si128((__m128i *)outptr, inptr[0]);
+ _mm_storeu_si128((__m128i *)(outptr + 4), inptr[1]);
+ _mm_storeu_si128((__m128i *)(outptr + 8), inptr[2]);
+ _mm_storeu_si128((__m128i *)(outptr + 12), inptr[3]);
+ } else {
+ // Set to use the optimised transform for the column
+ optimised_cols = 1;
+ }
+ } else {
+ // Run the un-optimised row transform
+ for (i = 0; i < 4; ++i) {
+ vp9_highbd_idct4_c(input, outptr, bd);
+ input += 4;
+ outptr += 4;
+ }
+ }
+
+ if (optimised_cols) {
+ idct4_sse2(inptr);
+
+ // Final round and shift
+ inptr[0] = _mm_add_epi16(inptr[0], eight);
+ inptr[1] = _mm_add_epi16(inptr[1], eight);
+
+ inptr[0] = _mm_srai_epi16(inptr[0], 4);
+ inptr[1] = _mm_srai_epi16(inptr[1], 4);
+
+ // Reconstruction and Store
+ {
+ __m128i d0 = _mm_loadl_epi64((const __m128i *)dest);
+ __m128i d2 = _mm_loadl_epi64((const __m128i *)(dest + stride * 2));
+ d0 = _mm_unpacklo_epi64(
+ d0, _mm_loadl_epi64((const __m128i *)(dest + stride)));
+ d2 = _mm_unpacklo_epi64(
+ d2, _mm_loadl_epi64((const __m128i *)(dest + stride * 3)));
+ d0 = clamp_high_sse2(_mm_adds_epi16(d0, inptr[0]), bd);
+ d2 = clamp_high_sse2(_mm_adds_epi16(d2, inptr[1]), bd);
+ // store input0
+ _mm_storel_epi64((__m128i *)dest, d0);
+ // store input1
+ d0 = _mm_srli_si128(d0, 8);
+ _mm_storel_epi64((__m128i *)(dest + stride), d0);
+ // store input2
+ _mm_storel_epi64((__m128i *)(dest + stride * 2), d2);
+ // store input3
+ d2 = _mm_srli_si128(d2, 8);
+ _mm_storel_epi64((__m128i *)(dest + stride * 3), d2);
+ }
+ } else {
+ // Run the un-optimised column transform
+ tran_low_t temp_in[4], temp_out[4];
+ // Columns
+ for (i = 0; i < 4; ++i) {
+ for (j = 0; j < 4; ++j)
+ temp_in[j] = out[j * 4 + i];
+ vp9_highbd_idct4_c(temp_in, temp_out, bd);
+ for (j = 0; j < 4; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 4), bd);
+ }
+ }
+ }
+}
+
+void vp9_highbd_idct8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[8 * 8];
+ tran_low_t *outptr = out;
+ int i, j, test;
+ __m128i inptr[8];
+ __m128i min_input, max_input, temp1, temp2, sign_bits;
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+ const __m128i zero = _mm_set1_epi16(0);
+ const __m128i sixteen = _mm_set1_epi16(16);
+ const __m128i max = _mm_set1_epi16(6201);
+ const __m128i min = _mm_set1_epi16(-6201);
+ int optimised_cols = 0;
+
+ // Load input into __m128i & pack to 16 bits
+ for (i = 0; i < 8; i++) {
+ temp1 = _mm_loadu_si128((const __m128i *)(input + 8 * i));
+ temp2 = _mm_loadu_si128((const __m128i *)(input + 8 * i + 4));
+ inptr[i] = _mm_packs_epi32(temp1, temp2);
+ }
+
+ // Find the min & max for the row transform
+ max_input = _mm_max_epi16(inptr[0], inptr[1]);
+ min_input = _mm_min_epi16(inptr[0], inptr[1]);
+ for (i = 2; i < 8; i++) {
+ max_input = _mm_max_epi16(max_input, inptr[i]);
+ min_input = _mm_min_epi16(min_input, inptr[i]);
+ }
+ max_input = _mm_cmpgt_epi16(max_input, max);
+ min_input = _mm_cmplt_epi16(min_input, min);
+ temp1 = _mm_or_si128(max_input, min_input);
+ test = _mm_movemask_epi8(temp1);
+
+ if (!test) {
+ // Do the row transform
+ idct8_sse2(inptr);
+
+ // Find the min & max for the column transform
+ max_input = _mm_max_epi16(inptr[0], inptr[1]);
+ min_input = _mm_min_epi16(inptr[0], inptr[1]);
+ for (i = 2; i < 8; i++) {
+ max_input = _mm_max_epi16(max_input, inptr[i]);
+ min_input = _mm_min_epi16(min_input, inptr[i]);
+ }
+ max_input = _mm_cmpgt_epi16(max_input, max);
+ min_input = _mm_cmplt_epi16(min_input, min);
+ temp1 = _mm_or_si128(max_input, min_input);
+ test = _mm_movemask_epi8(temp1);
+
+ if (test) {
+ array_transpose_8x8(inptr, inptr);
+ for (i = 0; i < 8; i++) {
+ sign_bits = _mm_cmplt_epi16(inptr[i], zero);
+ temp1 = _mm_unpackhi_epi16(inptr[i], sign_bits);
+ temp2 = _mm_unpacklo_epi16(inptr[i], sign_bits);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i + 1)), temp1);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i)), temp2);
+ }
+ } else {
+ // Set to use the optimised transform for the column
+ optimised_cols = 1;
+ }
+ } else {
+ // Run the un-optimised row transform
+ for (i = 0; i < 8; ++i) {
+ vp9_highbd_idct8_c(input, outptr, bd);
+ input += 8;
+ outptr += 8;
+ }
+ }
+
+ if (optimised_cols) {
+ idct8_sse2(inptr);
+
+ // Final round & shift and Reconstruction and Store
+ {
+ __m128i d[8];
+ for (i = 0; i < 8; i++) {
+ inptr[i] = _mm_add_epi16(inptr[i], sixteen);
+ d[i] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
+ inptr[i] = _mm_srai_epi16(inptr[i], 5);
+ d[i] = clamp_high_sse2(_mm_adds_epi16(d[i], inptr[i]), bd);
+ // Store
+ _mm_storeu_si128((__m128i *)(dest + stride*i), d[i]);
+ }
+ }
+ } else {
+ // Run the un-optimised column transform
+ tran_low_t temp_in[8], temp_out[8];
+ for (i = 0; i < 8; ++i) {
+ for (j = 0; j < 8; ++j)
+ temp_in[j] = out[j * 8 + i];
+ vp9_highbd_idct8_c(temp_in, temp_out, bd);
+ for (j = 0; j < 8; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
+ }
+ }
+ }
+}
+
+void vp9_highbd_idct8x8_10_add_sse2(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[8 * 8] = { 0 };
+ tran_low_t *outptr = out;
+ int i, j, test;
+ __m128i inptr[8];
+ __m128i min_input, max_input, temp1, temp2, sign_bits;
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+ const __m128i zero = _mm_set1_epi16(0);
+ const __m128i sixteen = _mm_set1_epi16(16);
+ const __m128i max = _mm_set1_epi16(6201);
+ const __m128i min = _mm_set1_epi16(-6201);
+ int optimised_cols = 0;
+
+ // Load input into __m128i & pack to 16 bits
+ for (i = 0; i < 8; i++) {
+ temp1 = _mm_loadu_si128((const __m128i *)(input + 8 * i));
+ temp2 = _mm_loadu_si128((const __m128i *)(input + 8 * i + 4));
+ inptr[i] = _mm_packs_epi32(temp1, temp2);
+ }
+
+ // Find the min & max for the row transform
+ // only first 4 row has non-zero coefs
+ max_input = _mm_max_epi16(inptr[0], inptr[1]);
+ min_input = _mm_min_epi16(inptr[0], inptr[1]);
+ for (i = 2; i < 4; i++) {
+ max_input = _mm_max_epi16(max_input, inptr[i]);
+ min_input = _mm_min_epi16(min_input, inptr[i]);
+ }
+ max_input = _mm_cmpgt_epi16(max_input, max);
+ min_input = _mm_cmplt_epi16(min_input, min);
+ temp1 = _mm_or_si128(max_input, min_input);
+ test = _mm_movemask_epi8(temp1);
+
+ if (!test) {
+ // Do the row transform
+ idct8_sse2(inptr);
+
+ // Find the min & max for the column transform
+ // N.B. Only first 4 cols contain non-zero coeffs
+ max_input = _mm_max_epi16(inptr[0], inptr[1]);
+ min_input = _mm_min_epi16(inptr[0], inptr[1]);
+ for (i = 2; i < 8; i++) {
+ max_input = _mm_max_epi16(max_input, inptr[i]);
+ min_input = _mm_min_epi16(min_input, inptr[i]);
+ }
+ max_input = _mm_cmpgt_epi16(max_input, max);
+ min_input = _mm_cmplt_epi16(min_input, min);
+ temp1 = _mm_or_si128(max_input, min_input);
+ test = _mm_movemask_epi8(temp1);
+
+ if (test) {
+ // Use fact only first 4 rows contain non-zero coeffs
+ array_transpose_4X8(inptr, inptr);
+ for (i = 0; i < 4; i++) {
+ sign_bits = _mm_cmplt_epi16(inptr[i], zero);
+ temp1 = _mm_unpackhi_epi16(inptr[i], sign_bits);
+ temp2 = _mm_unpacklo_epi16(inptr[i], sign_bits);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i + 1)), temp1);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i)), temp2);
+ }
+ } else {
+ // Set to use the optimised transform for the column
+ optimised_cols = 1;
+ }
+ } else {
+ // Run the un-optimised row transform
+ for (i = 0; i < 4; ++i) {
+ vp9_highbd_idct8_c(input, outptr, bd);
+ input += 8;
+ outptr += 8;
+ }
+ }
+
+ if (optimised_cols) {
+ idct8_sse2(inptr);
+
+ // Final round & shift and Reconstruction and Store
+ {
+ __m128i d[8];
+ for (i = 0; i < 8; i++) {
+ inptr[i] = _mm_add_epi16(inptr[i], sixteen);
+ d[i] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
+ inptr[i] = _mm_srai_epi16(inptr[i], 5);
+ d[i] = clamp_high_sse2(_mm_adds_epi16(d[i], inptr[i]), bd);
+ // Store
+ _mm_storeu_si128((__m128i *)(dest + stride*i), d[i]);
+ }
+ }
+ } else {
+ // Run the un-optimised column transform
+ tran_low_t temp_in[8], temp_out[8];
+ for (i = 0; i < 8; ++i) {
+ for (j = 0; j < 8; ++j)
+ temp_in[j] = out[j * 8 + i];
+ vp9_highbd_idct8_c(temp_in, temp_out, bd);
+ for (j = 0; j < 8; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd);
+ }
+ }
+ }
+}
+
+void vp9_highbd_idct16x16_256_add_sse2(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[16 * 16];
+ tran_low_t *outptr = out;
+ int i, j, test;
+ __m128i inptr[32];
+ __m128i min_input, max_input, temp1, temp2, sign_bits;
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+ const __m128i zero = _mm_set1_epi16(0);
+ const __m128i rounding = _mm_set1_epi16(32);
+ const __m128i max = _mm_set1_epi16(3155);
+ const __m128i min = _mm_set1_epi16(-3155);
+ int optimised_cols = 0;
+
+ // Load input into __m128i & pack to 16 bits
+ for (i = 0; i < 16; i++) {
+ temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i));
+ temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 4));
+ inptr[i] = _mm_packs_epi32(temp1, temp2);
+ temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 8));
+ temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 12));
+ inptr[i + 16] = _mm_packs_epi32(temp1, temp2);
+ }
+
+ // Find the min & max for the row transform
+ max_input = _mm_max_epi16(inptr[0], inptr[1]);
+ min_input = _mm_min_epi16(inptr[0], inptr[1]);
+ for (i = 2; i < 32; i++) {
+ max_input = _mm_max_epi16(max_input, inptr[i]);
+ min_input = _mm_min_epi16(min_input, inptr[i]);
+ }
+ max_input = _mm_cmpgt_epi16(max_input, max);
+ min_input = _mm_cmplt_epi16(min_input, min);
+ temp1 = _mm_or_si128(max_input, min_input);
+ test = _mm_movemask_epi8(temp1);
+
+ if (!test) {
+ // Do the row transform
+ idct16_sse2(inptr, inptr + 16);
+
+ // Find the min & max for the column transform
+ max_input = _mm_max_epi16(inptr[0], inptr[1]);
+ min_input = _mm_min_epi16(inptr[0], inptr[1]);
+ for (i = 2; i < 32; i++) {
+ max_input = _mm_max_epi16(max_input, inptr[i]);
+ min_input = _mm_min_epi16(min_input, inptr[i]);
+ }
+ max_input = _mm_cmpgt_epi16(max_input, max);
+ min_input = _mm_cmplt_epi16(min_input, min);
+ temp1 = _mm_or_si128(max_input, min_input);
+ test = _mm_movemask_epi8(temp1);
+
+ if (test) {
+ array_transpose_16x16(inptr, inptr + 16);
+ for (i = 0; i < 16; i++) {
+ sign_bits = _mm_cmplt_epi16(inptr[i], zero);
+ temp1 = _mm_unpacklo_epi16(inptr[i], sign_bits);
+ temp2 = _mm_unpackhi_epi16(inptr[i], sign_bits);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4)), temp1);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 1)), temp2);
+ sign_bits = _mm_cmplt_epi16(inptr[i + 16], zero);
+ temp1 = _mm_unpacklo_epi16(inptr[i + 16], sign_bits);
+ temp2 = _mm_unpackhi_epi16(inptr[i + 16], sign_bits);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 2)), temp1);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 3)), temp2);
+ }
+ } else {
+ // Set to use the optimised transform for the column
+ optimised_cols = 1;
+ }
+ } else {
+ // Run the un-optimised row transform
+ for (i = 0; i < 16; ++i) {
+ vp9_highbd_idct16_c(input, outptr, bd);
+ input += 16;
+ outptr += 16;
+ }
+ }
+
+ if (optimised_cols) {
+ idct16_sse2(inptr, inptr + 16);
+
+ // Final round & shift and Reconstruction and Store
+ {
+ __m128i d[2];
+ for (i = 0; i < 16; i++) {
+ inptr[i ] = _mm_add_epi16(inptr[i ], rounding);
+ inptr[i+16] = _mm_add_epi16(inptr[i+16], rounding);
+ d[0] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
+ d[1] = _mm_loadu_si128((const __m128i *)(dest + stride*i + 8));
+ inptr[i ] = _mm_srai_epi16(inptr[i ], 6);
+ inptr[i+16] = _mm_srai_epi16(inptr[i+16], 6);
+ d[0] = clamp_high_sse2(_mm_add_epi16(d[0], inptr[i ]), bd);
+ d[1] = clamp_high_sse2(_mm_add_epi16(d[1], inptr[i+16]), bd);
+ // Store
+ _mm_storeu_si128((__m128i *)(dest + stride*i), d[0]);
+ _mm_storeu_si128((__m128i *)(dest + stride*i + 8), d[1]);
+ }
+ }
+ } else {
+ // Run the un-optimised column transform
+ tran_low_t temp_in[16], temp_out[16];
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j)
+ temp_in[j] = out[j * 16 + i];
+ vp9_highbd_idct16_c(temp_in, temp_out, bd);
+ for (j = 0; j < 16; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
+ }
+ }
+ }
+}
+
+void vp9_highbd_idct16x16_10_add_sse2(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bd) {
+ tran_low_t out[16 * 16] = { 0 };
+ tran_low_t *outptr = out;
+ int i, j, test;
+ __m128i inptr[32];
+ __m128i min_input, max_input, temp1, temp2, sign_bits;
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+ const __m128i zero = _mm_set1_epi16(0);
+ const __m128i rounding = _mm_set1_epi16(32);
+ const __m128i max = _mm_set1_epi16(3155);
+ const __m128i min = _mm_set1_epi16(-3155);
+ int optimised_cols = 0;
+
+ // Load input into __m128i & pack to 16 bits
+ for (i = 0; i < 16; i++) {
+ temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i));
+ temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 4));
+ inptr[i] = _mm_packs_epi32(temp1, temp2);
+ temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 8));
+ temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 12));
+ inptr[i + 16] = _mm_packs_epi32(temp1, temp2);
+ }
+
+ // Find the min & max for the row transform
+ // Since all non-zero dct coefficients are in upper-left 4x4 area,
+ // we only need to consider first 4 rows here.
+ max_input = _mm_max_epi16(inptr[0], inptr[1]);
+ min_input = _mm_min_epi16(inptr[0], inptr[1]);
+ for (i = 2; i < 4; i++) {
+ max_input = _mm_max_epi16(max_input, inptr[i]);
+ min_input = _mm_min_epi16(min_input, inptr[i]);
+ }
+ max_input = _mm_cmpgt_epi16(max_input, max);
+ min_input = _mm_cmplt_epi16(min_input, min);
+ temp1 = _mm_or_si128(max_input, min_input);
+ test = _mm_movemask_epi8(temp1);
+
+ if (!test) {
+ // Do the row transform (N.B. This transposes inptr)
+ idct16_sse2(inptr, inptr + 16);
+
+ // Find the min & max for the column transform
+ // N.B. Only first 4 cols contain non-zero coeffs
+ max_input = _mm_max_epi16(inptr[0], inptr[1]);
+ min_input = _mm_min_epi16(inptr[0], inptr[1]);
+ for (i = 2; i < 16; i++) {
+ max_input = _mm_max_epi16(max_input, inptr[i]);
+ min_input = _mm_min_epi16(min_input, inptr[i]);
+ }
+ max_input = _mm_cmpgt_epi16(max_input, max);
+ min_input = _mm_cmplt_epi16(min_input, min);
+ temp1 = _mm_or_si128(max_input, min_input);
+ test = _mm_movemask_epi8(temp1);
+
+ if (test) {
+ // Use fact only first 4 rows contain non-zero coeffs
+ array_transpose_8x8(inptr, inptr);
+ array_transpose_8x8(inptr + 8, inptr + 16);
+ for (i = 0; i < 4; i++) {
+ sign_bits = _mm_cmplt_epi16(inptr[i], zero);
+ temp1 = _mm_unpacklo_epi16(inptr[i], sign_bits);
+ temp2 = _mm_unpackhi_epi16(inptr[i], sign_bits);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4)), temp1);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 1)), temp2);
+ sign_bits = _mm_cmplt_epi16(inptr[i + 16], zero);
+ temp1 = _mm_unpacklo_epi16(inptr[i + 16], sign_bits);
+ temp2 = _mm_unpackhi_epi16(inptr[i + 16], sign_bits);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 2)), temp1);
+ _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 3)), temp2);
+ }
+ } else {
+ // Set to use the optimised transform for the column
+ optimised_cols = 1;
+ }
+ } else {
+ // Run the un-optimised row transform
+ for (i = 0; i < 4; ++i) {
+ vp9_highbd_idct16_c(input, outptr, bd);
+ input += 16;
+ outptr += 16;
+ }
+ }
+
+ if (optimised_cols) {
+ idct16_sse2(inptr, inptr + 16);
+
+ // Final round & shift and Reconstruction and Store
+ {
+ __m128i d[2];
+ for (i = 0; i < 16; i++) {
+ inptr[i ] = _mm_add_epi16(inptr[i ], rounding);
+ inptr[i+16] = _mm_add_epi16(inptr[i+16], rounding);
+ d[0] = _mm_loadu_si128((const __m128i *)(dest + stride*i));
+ d[1] = _mm_loadu_si128((const __m128i *)(dest + stride*i + 8));
+ inptr[i ] = _mm_srai_epi16(inptr[i ], 6);
+ inptr[i+16] = _mm_srai_epi16(inptr[i+16], 6);
+ d[0] = clamp_high_sse2(_mm_add_epi16(d[0], inptr[i ]), bd);
+ d[1] = clamp_high_sse2(_mm_add_epi16(d[1], inptr[i+16]), bd);
+ // Store
+ _mm_storeu_si128((__m128i *)(dest + stride*i), d[0]);
+ _mm_storeu_si128((__m128i *)(dest + stride*i + 8), d[1]);
+ }
+ }
+ } else {
+ // Run the un-optimised column transform
+ tran_low_t temp_in[16], temp_out[16];
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j)
+ temp_in[j] = out[j * 16 + i];
+ vp9_highbd_idct16_c(temp_in, temp_out, bd);
+ for (j = 0; j < 16; ++j) {
+ dest[j * stride + i] = highbd_clip_pixel_add(
+ dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd);
+ }
+ }
+ }
+}
+#endif // CONFIG_VP9_HIGHBITDEPTH
diff --git a/vp9/common/x86/vp9_idct_intrin_sse2.h b/vpx_dsp/x86/inv_txfm_sse2.h
similarity index 93%
rename from vp9/common/x86/vp9_idct_intrin_sse2.h
rename to vpx_dsp/x86/inv_txfm_sse2.h
index 984363d..658a914 100644
--- a/vp9/common/x86/vp9_idct_intrin_sse2.h
+++ b/vpx_dsp/x86/inv_txfm_sse2.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
+ * Copyright (c) 2015 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
@@ -8,12 +8,13 @@
* be found in the AUTHORS file in the root of the source tree.
*/
-#include <assert.h>
+#ifndef VPX_DSP_X86_INV_TXFM_SSE2_H_
+#define VPX_DSP_X86_INV_TXFM_SSE2_H_
+
#include <emmintrin.h> // SSE2
#include "./vpx_config.h"
#include "vpx/vpx_integer.h"
-#include "vp9/common/vp9_common.h"
-#include "vp9/common/vp9_idct.h"
+#include "vpx_dsp/inv_txfm.h"
// perform 8x8 transpose
static INLINE void array_transpose_8x8(__m128i *in, __m128i *res) {
@@ -172,3 +173,12 @@
RECON_AND_STORE(dest + 14 * stride, in[14]);
RECON_AND_STORE(dest + 15 * stride, in[15]);
}
+
+void idct4_sse2(__m128i *in);
+void idct8_sse2(__m128i *in);
+void idct16_sse2(__m128i *in0, __m128i *in1);
+void iadst4_sse2(__m128i *in);
+void iadst8_sse2(__m128i *in);
+void iadst16_sse2(__m128i *in0, __m128i *in1);
+
+#endif // VPX_DSP_X86_INV_TXFM_SSE2_H_
diff --git a/vp9/common/x86/vp9_idct_ssse3_x86_64.asm b/vpx_dsp/x86/inv_txfm_ssse3_x86_64.asm
similarity index 100%
rename from vp9/common/x86/vp9_idct_ssse3_x86_64.asm
rename to vpx_dsp/x86/inv_txfm_ssse3_x86_64.asm
