| /* |
| * 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. |
| */ |
| |
| #include <math.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| #include "./vpx_config.h" |
| #include "vpx_scale/yv12config.h" |
| #include "vp9/common/vp9_postproc.h" |
| #include "vp9/common/vp9_textblit.h" |
| #include "vpx_scale/vpx_scale.h" |
| #include "vp9/common/vp9_systemdependent.h" |
| #include "./vp9_rtcd.h" |
| #include "./vpx_scale_rtcd.h" |
| |
| #define RGB_TO_YUV(t) \ |
| ( (0.257*(float)(t >> 16)) + (0.504*(float)(t >> 8 & 0xff)) + \ |
| (0.098*(float)(t & 0xff)) + 16), \ |
| (-(0.148*(float)(t >> 16)) - (0.291*(float)(t >> 8 & 0xff)) + \ |
| (0.439*(float)(t & 0xff)) + 128), \ |
| ( (0.439*(float)(t >> 16)) - (0.368*(float)(t >> 8 & 0xff)) - \ |
| (0.071*(float)(t & 0xff)) + 128) |
| |
| /* global constants */ |
| #if 0 && CONFIG_POSTPROC_VISUALIZER |
| static const unsigned char MB_PREDICTION_MODE_colors[MB_MODE_COUNT][3] = { |
| { RGB_TO_YUV(0x98FB98) }, /* PaleGreen */ |
| { RGB_TO_YUV(0x00FF00) }, /* Green */ |
| { RGB_TO_YUV(0xADFF2F) }, /* GreenYellow */ |
| { RGB_TO_YUV(0x8F0000) }, /* Dark Red */ |
| { RGB_TO_YUV(0x008F8F) }, /* Dark Cyan */ |
| { RGB_TO_YUV(0x008F8F) }, /* Dark Cyan */ |
| { RGB_TO_YUV(0x008F8F) }, /* Dark Cyan */ |
| { RGB_TO_YUV(0x8F0000) }, /* Dark Red */ |
| { RGB_TO_YUV(0x8F0000) }, /* Dark Red */ |
| { RGB_TO_YUV(0x228B22) }, /* ForestGreen */ |
| { RGB_TO_YUV(0x006400) }, /* DarkGreen */ |
| { RGB_TO_YUV(0x98F5FF) }, /* Cadet Blue */ |
| { RGB_TO_YUV(0x6CA6CD) }, /* Sky Blue */ |
| { RGB_TO_YUV(0x00008B) }, /* Dark blue */ |
| { RGB_TO_YUV(0x551A8B) }, /* Purple */ |
| { RGB_TO_YUV(0xFF0000) } /* Red */ |
| { RGB_TO_YUV(0xCC33FF) }, /* Magenta */ |
| }; |
| |
| static const unsigned char B_PREDICTION_MODE_colors[INTRA_MODES][3] = { |
| { RGB_TO_YUV(0x6633ff) }, /* Purple */ |
| { RGB_TO_YUV(0xcc33ff) }, /* Magenta */ |
| { RGB_TO_YUV(0xff33cc) }, /* Pink */ |
| { RGB_TO_YUV(0xff3366) }, /* Coral */ |
| { RGB_TO_YUV(0x3366ff) }, /* Blue */ |
| { RGB_TO_YUV(0xed00f5) }, /* Dark Blue */ |
| { RGB_TO_YUV(0x2e00b8) }, /* Dark Purple */ |
| { RGB_TO_YUV(0xff6633) }, /* Orange */ |
| { RGB_TO_YUV(0x33ccff) }, /* Light Blue */ |
| { RGB_TO_YUV(0x8ab800) }, /* Green */ |
| { RGB_TO_YUV(0xffcc33) }, /* Light Orange */ |
| { RGB_TO_YUV(0x33ffcc) }, /* Aqua */ |
| { RGB_TO_YUV(0x66ff33) }, /* Light Green */ |
| { RGB_TO_YUV(0xccff33) }, /* Yellow */ |
| }; |
| |
| static const unsigned char MV_REFERENCE_FRAME_colors[MAX_REF_FRAMES][3] = { |
| { RGB_TO_YUV(0x00ff00) }, /* Blue */ |
| { RGB_TO_YUV(0x0000ff) }, /* Green */ |
| { RGB_TO_YUV(0xffff00) }, /* Yellow */ |
| { RGB_TO_YUV(0xff0000) }, /* Red */ |
| }; |
| #endif |
| |
| static const short kernel5[] = { |
| 1, 1, 4, 1, 1 |
| }; |
| |
| const short vp9_rv[] = { |
| 8, 5, 2, 2, 8, 12, 4, 9, 8, 3, |
| 0, 3, 9, 0, 0, 0, 8, 3, 14, 4, |
| 10, 1, 11, 14, 1, 14, 9, 6, 12, 11, |
| 8, 6, 10, 0, 0, 8, 9, 0, 3, 14, |
| 8, 11, 13, 4, 2, 9, 0, 3, 9, 6, |
| 1, 2, 3, 14, 13, 1, 8, 2, 9, 7, |
| 3, 3, 1, 13, 13, 6, 6, 5, 2, 7, |
| 11, 9, 11, 8, 7, 3, 2, 0, 13, 13, |
| 14, 4, 12, 5, 12, 10, 8, 10, 13, 10, |
| 4, 14, 4, 10, 0, 8, 11, 1, 13, 7, |
| 7, 14, 6, 14, 13, 2, 13, 5, 4, 4, |
| 0, 10, 0, 5, 13, 2, 12, 7, 11, 13, |
| 8, 0, 4, 10, 7, 2, 7, 2, 2, 5, |
| 3, 4, 7, 3, 3, 14, 14, 5, 9, 13, |
| 3, 14, 3, 6, 3, 0, 11, 8, 13, 1, |
| 13, 1, 12, 0, 10, 9, 7, 6, 2, 8, |
| 5, 2, 13, 7, 1, 13, 14, 7, 6, 7, |
| 9, 6, 10, 11, 7, 8, 7, 5, 14, 8, |
| 4, 4, 0, 8, 7, 10, 0, 8, 14, 11, |
| 3, 12, 5, 7, 14, 3, 14, 5, 2, 6, |
| 11, 12, 12, 8, 0, 11, 13, 1, 2, 0, |
| 5, 10, 14, 7, 8, 0, 4, 11, 0, 8, |
| 0, 3, 10, 5, 8, 0, 11, 6, 7, 8, |
| 10, 7, 13, 9, 2, 5, 1, 5, 10, 2, |
| 4, 3, 5, 6, 10, 8, 9, 4, 11, 14, |
| 0, 10, 0, 5, 13, 2, 12, 7, 11, 13, |
| 8, 0, 4, 10, 7, 2, 7, 2, 2, 5, |
| 3, 4, 7, 3, 3, 14, 14, 5, 9, 13, |
| 3, 14, 3, 6, 3, 0, 11, 8, 13, 1, |
| 13, 1, 12, 0, 10, 9, 7, 6, 2, 8, |
| 5, 2, 13, 7, 1, 13, 14, 7, 6, 7, |
| 9, 6, 10, 11, 7, 8, 7, 5, 14, 8, |
| 4, 4, 0, 8, 7, 10, 0, 8, 14, 11, |
| 3, 12, 5, 7, 14, 3, 14, 5, 2, 6, |
| 11, 12, 12, 8, 0, 11, 13, 1, 2, 0, |
| 5, 10, 14, 7, 8, 0, 4, 11, 0, 8, |
| 0, 3, 10, 5, 8, 0, 11, 6, 7, 8, |
| 10, 7, 13, 9, 2, 5, 1, 5, 10, 2, |
| 4, 3, 5, 6, 10, 8, 9, 4, 11, 14, |
| 3, 8, 3, 7, 8, 5, 11, 4, 12, 3, |
| 11, 9, 14, 8, 14, 13, 4, 3, 1, 2, |
| 14, 6, 5, 4, 4, 11, 4, 6, 2, 1, |
| 5, 8, 8, 12, 13, 5, 14, 10, 12, 13, |
| 0, 9, 5, 5, 11, 10, 13, 9, 10, 13, |
| }; |
| |
| |
| /**************************************************************************** |
| */ |
| void vp9_post_proc_down_and_across_c(const uint8_t *src_ptr, |
| uint8_t *dst_ptr, |
| int src_pixels_per_line, |
| int dst_pixels_per_line, |
| int rows, |
| int cols, |
| int flimit) { |
| uint8_t const *p_src; |
| uint8_t *p_dst; |
| int row; |
| int col; |
| int i; |
| int v; |
| int pitch = src_pixels_per_line; |
| uint8_t d[8]; |
| (void)dst_pixels_per_line; |
| |
| for (row = 0; row < rows; row++) { |
| /* post_proc_down for one row */ |
| p_src = src_ptr; |
| p_dst = dst_ptr; |
| |
| for (col = 0; col < cols; col++) { |
| int kernel = 4; |
| int v = p_src[col]; |
| |
| for (i = -2; i <= 2; i++) { |
| if (abs(v - p_src[col + i * pitch]) > flimit) |
| goto down_skip_convolve; |
| |
| kernel += kernel5[2 + i] * p_src[col + i * pitch]; |
| } |
| |
| v = (kernel >> 3); |
| down_skip_convolve: |
| p_dst[col] = v; |
| } |
| |
| /* now post_proc_across */ |
| p_src = dst_ptr; |
| p_dst = dst_ptr; |
| |
| for (i = 0; i < 8; i++) |
| d[i] = p_src[i]; |
| |
| for (col = 0; col < cols; col++) { |
| int kernel = 4; |
| v = p_src[col]; |
| |
| d[col & 7] = v; |
| |
| for (i = -2; i <= 2; i++) { |
| if (abs(v - p_src[col + i]) > flimit) |
| goto across_skip_convolve; |
| |
| kernel += kernel5[2 + i] * p_src[col + i]; |
| } |
| |
| d[col & 7] = (kernel >> 3); |
| across_skip_convolve: |
| |
| if (col >= 2) |
| p_dst[col - 2] = d[(col - 2) & 7]; |
| } |
| |
| /* handle the last two pixels */ |
| p_dst[col - 2] = d[(col - 2) & 7]; |
| p_dst[col - 1] = d[(col - 1) & 7]; |
| |
| |
| /* next row */ |
| src_ptr += pitch; |
| dst_ptr += pitch; |
| } |
| } |
| |
| static int q2mbl(int x) { |
| if (x < 20) x = 20; |
| |
| x = 50 + (x - 50) * 10 / 8; |
| return x * x / 3; |
| } |
| |
| void vp9_mbpost_proc_across_ip_c(uint8_t *src, int pitch, |
| int rows, int cols, int flimit) { |
| int r, c, i; |
| |
| uint8_t *s = src; |
| uint8_t d[16]; |
| |
| |
| for (r = 0; r < rows; r++) { |
| int sumsq = 0; |
| int sum = 0; |
| |
| for (i = -8; i <= 6; i++) { |
| sumsq += s[i] * s[i]; |
| sum += s[i]; |
| d[i + 8] = 0; |
| } |
| |
| for (c = 0; c < cols + 8; c++) { |
| int x = s[c + 7] - s[c - 8]; |
| int y = s[c + 7] + s[c - 8]; |
| |
| sum += x; |
| sumsq += x * y; |
| |
| d[c & 15] = s[c]; |
| |
| if (sumsq * 15 - sum * sum < flimit) { |
| d[c & 15] = (8 + sum + s[c]) >> 4; |
| } |
| |
| s[c - 8] = d[(c - 8) & 15]; |
| } |
| |
| s += pitch; |
| } |
| } |
| |
| void vp9_mbpost_proc_down_c(uint8_t *dst, int pitch, |
| int rows, int cols, int flimit) { |
| int r, c, i; |
| const short *rv3 = &vp9_rv[63 & rand()]; // NOLINT |
| |
| for (c = 0; c < cols; c++) { |
| uint8_t *s = &dst[c]; |
| int sumsq = 0; |
| int sum = 0; |
| uint8_t d[16]; |
| const short *rv2 = rv3 + ((c * 17) & 127); |
| |
| for (i = -8; i <= 6; i++) { |
| sumsq += s[i * pitch] * s[i * pitch]; |
| sum += s[i * pitch]; |
| } |
| |
| for (r = 0; r < rows + 8; r++) { |
| sumsq += s[7 * pitch] * s[ 7 * pitch] - s[-8 * pitch] * s[-8 * pitch]; |
| sum += s[7 * pitch] - s[-8 * pitch]; |
| d[r & 15] = s[0]; |
| |
| if (sumsq * 15 - sum * sum < flimit) { |
| d[r & 15] = (rv2[r & 127] + sum + s[0]) >> 4; |
| } |
| |
| s[-8 * pitch] = d[(r - 8) & 15]; |
| s += pitch; |
| } |
| } |
| } |
| |
| static void deblock_and_de_macro_block(YV12_BUFFER_CONFIG *source, |
| YV12_BUFFER_CONFIG *post, |
| int q, |
| int low_var_thresh, |
| int flag) { |
| double level = 6.0e-05 * q * q * q - .0067 * q * q + .306 * q + .0065; |
| int ppl = (int)(level + .5); |
| (void) low_var_thresh; |
| (void) flag; |
| |
| vp9_post_proc_down_and_across(source->y_buffer, post->y_buffer, |
| source->y_stride, post->y_stride, |
| source->y_height, source->y_width, ppl); |
| |
| vp9_mbpost_proc_across_ip(post->y_buffer, post->y_stride, post->y_height, |
| post->y_width, q2mbl(q)); |
| |
| vp9_mbpost_proc_down(post->y_buffer, post->y_stride, post->y_height, |
| post->y_width, q2mbl(q)); |
| |
| vp9_post_proc_down_and_across(source->u_buffer, post->u_buffer, |
| source->uv_stride, post->uv_stride, |
| source->uv_height, source->uv_width, ppl); |
| vp9_post_proc_down_and_across(source->v_buffer, post->v_buffer, |
| source->uv_stride, post->uv_stride, |
| source->uv_height, source->uv_width, ppl); |
| } |
| |
| void vp9_deblock(const YV12_BUFFER_CONFIG *src, YV12_BUFFER_CONFIG *dst, |
| int q) { |
| const int ppl = (int)(6.0e-05 * q * q * q - 0.0067 * q * q + 0.306 * q |
| + 0.0065 + 0.5); |
| int i; |
| |
| const uint8_t *const srcs[4] = {src->y_buffer, src->u_buffer, src->v_buffer, |
| src->alpha_buffer}; |
| const int src_strides[4] = {src->y_stride, src->uv_stride, src->uv_stride, |
| src->alpha_stride}; |
| const int src_widths[4] = {src->y_width, src->uv_width, src->uv_width, |
| src->alpha_width}; |
| const int src_heights[4] = {src->y_height, src->uv_height, src->uv_height, |
| src->alpha_height}; |
| |
| uint8_t *const dsts[4] = {dst->y_buffer, dst->u_buffer, dst->v_buffer, |
| dst->alpha_buffer}; |
| const int dst_strides[4] = {dst->y_stride, dst->uv_stride, dst->uv_stride, |
| dst->alpha_stride}; |
| |
| for (i = 0; i < MAX_MB_PLANE; ++i) |
| vp9_post_proc_down_and_across(srcs[i], dsts[i], |
| src_strides[i], dst_strides[i], |
| src_heights[i], src_widths[i], ppl); |
| } |
| |
| void vp9_denoise(const YV12_BUFFER_CONFIG *src, YV12_BUFFER_CONFIG *dst, |
| int q) { |
| const int ppl = (int)(6.0e-05 * q * q * q - 0.0067 * q * q + 0.306 * q |
| + 0.0065 + 0.5); |
| int i; |
| |
| const uint8_t *const srcs[4] = {src->y_buffer, src->u_buffer, src->v_buffer, |
| src->alpha_buffer}; |
| const int src_strides[4] = {src->y_stride, src->uv_stride, src->uv_stride, |
| src->alpha_stride}; |
| const int src_widths[4] = {src->y_width, src->uv_width, src->uv_width, |
| src->alpha_width}; |
| const int src_heights[4] = {src->y_height, src->uv_height, src->uv_height, |
| src->alpha_height}; |
| |
| uint8_t *const dsts[4] = {dst->y_buffer, dst->u_buffer, dst->v_buffer, |
| dst->alpha_buffer}; |
| const int dst_strides[4] = {dst->y_stride, dst->uv_stride, dst->uv_stride, |
| dst->alpha_stride}; |
| |
| for (i = 0; i < MAX_MB_PLANE; ++i) { |
| const int src_stride = src_strides[i]; |
| const uint8_t *const src = srcs[i] + 2 * src_stride + 2; |
| const int src_width = src_widths[i] - 4; |
| const int src_height = src_heights[i] - 4; |
| |
| const int dst_stride = dst_strides[i]; |
| uint8_t *const dst = dsts[i] + 2 * dst_stride + 2; |
| |
| vp9_post_proc_down_and_across(src, dst, src_stride, dst_stride, |
| src_height, src_width, ppl); |
| } |
| } |
| |
| double vp9_gaussian(double sigma, double mu, double x) { |
| return 1 / (sigma * sqrt(2.0 * 3.14159265)) * |
| (exp(-(x - mu) * (x - mu) / (2 * sigma * sigma))); |
| } |
| |
| static void fillrd(struct postproc_state *state, int q, int a) { |
| char char_dist[300]; |
| |
| double sigma; |
| int ai = a, qi = q, i; |
| |
| vp9_clear_system_state(); |
| |
| sigma = ai + .5 + .6 * (63 - qi) / 63.0; |
| |
| /* set up a lookup table of 256 entries that matches |
| * a gaussian distribution with sigma determined by q. |
| */ |
| { |
| double i; |
| int next, j; |
| |
| next = 0; |
| |
| for (i = -32; i < 32; i++) { |
| int a = (int)(.5 + 256 * vp9_gaussian(sigma, 0, i)); |
| |
| if (a) { |
| for (j = 0; j < a; j++) { |
| char_dist[next + j] = (char) i; |
| } |
| |
| next = next + j; |
| } |
| } |
| |
| for (; next < 256; next++) |
| char_dist[next] = 0; |
| } |
| |
| for (i = 0; i < 3072; i++) { |
| state->noise[i] = char_dist[rand() & 0xff]; // NOLINT |
| } |
| |
| for (i = 0; i < 16; i++) { |
| state->blackclamp[i] = -char_dist[0]; |
| state->whiteclamp[i] = -char_dist[0]; |
| state->bothclamp[i] = -2 * char_dist[0]; |
| } |
| |
| state->last_q = q; |
| state->last_noise = a; |
| } |
| |
| /**************************************************************************** |
| * |
| * ROUTINE : plane_add_noise_c |
| * |
| * INPUTS : unsigned char *Start starting address of buffer to |
| * add gaussian noise to |
| * unsigned int width width of plane |
| * unsigned int height height of plane |
| * int pitch distance between subsequent lines of frame |
| * int q quantizer used to determine amount of noise |
| * to add |
| * |
| * OUTPUTS : None. |
| * |
| * RETURNS : void. |
| * |
| * FUNCTION : adds gaussian noise to a plane of pixels |
| * |
| * SPECIAL NOTES : None. |
| * |
| ****************************************************************************/ |
| void vp9_plane_add_noise_c(uint8_t *start, char *noise, |
| char blackclamp[16], |
| char whiteclamp[16], |
| char bothclamp[16], |
| unsigned int width, unsigned int height, int pitch) { |
| unsigned int i, j; |
| |
| for (i = 0; i < height; i++) { |
| uint8_t *pos = start + i * pitch; |
| char *ref = (char *)(noise + (rand() & 0xff)); // NOLINT |
| |
| for (j = 0; j < width; j++) { |
| if (pos[j] < blackclamp[0]) |
| pos[j] = blackclamp[0]; |
| |
| if (pos[j] > 255 + whiteclamp[0]) |
| pos[j] = 255 + whiteclamp[0]; |
| |
| pos[j] += ref[j]; |
| } |
| } |
| } |
| |
| /* Blend the macro block with a solid colored square. Leave the |
| * edges unblended to give distinction to macro blocks in areas |
| * filled with the same color block. |
| */ |
| void vp9_blend_mb_inner_c(uint8_t *y, uint8_t *u, uint8_t *v, |
| int y1, int u1, int v1, int alpha, int stride) { |
| int i, j; |
| int y1_const = y1 * ((1 << 16) - alpha); |
| int u1_const = u1 * ((1 << 16) - alpha); |
| int v1_const = v1 * ((1 << 16) - alpha); |
| |
| y += 2 * stride + 2; |
| for (i = 0; i < 12; i++) { |
| for (j = 0; j < 12; j++) { |
| y[j] = (y[j] * alpha + y1_const) >> 16; |
| } |
| y += stride; |
| } |
| |
| stride >>= 1; |
| |
| u += stride + 1; |
| v += stride + 1; |
| |
| for (i = 0; i < 6; i++) { |
| for (j = 0; j < 6; j++) { |
| u[j] = (u[j] * alpha + u1_const) >> 16; |
| v[j] = (v[j] * alpha + v1_const) >> 16; |
| } |
| u += stride; |
| v += stride; |
| } |
| } |
| |
| /* Blend only the edge of the macro block. Leave center |
| * unblended to allow for other visualizations to be layered. |
| */ |
| void vp9_blend_mb_outer_c(uint8_t *y, uint8_t *u, uint8_t *v, |
| int y1, int u1, int v1, int alpha, int stride) { |
| int i, j; |
| int y1_const = y1 * ((1 << 16) - alpha); |
| int u1_const = u1 * ((1 << 16) - alpha); |
| int v1_const = v1 * ((1 << 16) - alpha); |
| |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 16; j++) { |
| y[j] = (y[j] * alpha + y1_const) >> 16; |
| } |
| y += stride; |
| } |
| |
| for (i = 0; i < 12; i++) { |
| y[0] = (y[0] * alpha + y1_const) >> 16; |
| y[1] = (y[1] * alpha + y1_const) >> 16; |
| y[14] = (y[14] * alpha + y1_const) >> 16; |
| y[15] = (y[15] * alpha + y1_const) >> 16; |
| y += stride; |
| } |
| |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 16; j++) { |
| y[j] = (y[j] * alpha + y1_const) >> 16; |
| } |
| y += stride; |
| } |
| |
| stride >>= 1; |
| |
| for (j = 0; j < 8; j++) { |
| u[j] = (u[j] * alpha + u1_const) >> 16; |
| v[j] = (v[j] * alpha + v1_const) >> 16; |
| } |
| u += stride; |
| v += stride; |
| |
| for (i = 0; i < 6; i++) { |
| u[0] = (u[0] * alpha + u1_const) >> 16; |
| v[0] = (v[0] * alpha + v1_const) >> 16; |
| |
| u[7] = (u[7] * alpha + u1_const) >> 16; |
| v[7] = (v[7] * alpha + v1_const) >> 16; |
| |
| u += stride; |
| v += stride; |
| } |
| |
| for (j = 0; j < 8; j++) { |
| u[j] = (u[j] * alpha + u1_const) >> 16; |
| v[j] = (v[j] * alpha + v1_const) >> 16; |
| } |
| } |
| |
| void vp9_blend_b_c(uint8_t *y, uint8_t *u, uint8_t *v, |
| int y1, int u1, int v1, int alpha, int stride) { |
| int i, j; |
| int y1_const = y1 * ((1 << 16) - alpha); |
| int u1_const = u1 * ((1 << 16) - alpha); |
| int v1_const = v1 * ((1 << 16) - alpha); |
| |
| for (i = 0; i < 4; i++) { |
| for (j = 0; j < 4; j++) { |
| y[j] = (y[j] * alpha + y1_const) >> 16; |
| } |
| y += stride; |
| } |
| |
| stride >>= 1; |
| |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 2; j++) { |
| u[j] = (u[j] * alpha + u1_const) >> 16; |
| v[j] = (v[j] * alpha + v1_const) >> 16; |
| } |
| u += stride; |
| v += stride; |
| } |
| } |
| |
| static void constrain_line(int x0, int *x1, int y0, int *y1, |
| int width, int height) { |
| int dx; |
| int dy; |
| |
| if (*x1 > width) { |
| dx = *x1 - x0; |
| dy = *y1 - y0; |
| |
| *x1 = width; |
| if (dx) |
| *y1 = ((width - x0) * dy) / dx + y0; |
| } |
| if (*x1 < 0) { |
| dx = *x1 - x0; |
| dy = *y1 - y0; |
| |
| *x1 = 0; |
| if (dx) |
| *y1 = ((0 - x0) * dy) / dx + y0; |
| } |
| if (*y1 > height) { |
| dx = *x1 - x0; |
| dy = *y1 - y0; |
| |
| *y1 = height; |
| if (dy) |
| *x1 = ((height - y0) * dx) / dy + x0; |
| } |
| if (*y1 < 0) { |
| dx = *x1 - x0; |
| dy = *y1 - y0; |
| |
| *y1 = 0; |
| if (dy) |
| *x1 = ((0 - y0) * dx) / dy + x0; |
| } |
| } |
| |
| int vp9_post_proc_frame(struct VP9Common *cm, |
| YV12_BUFFER_CONFIG *dest, vp9_ppflags_t *ppflags) { |
| int q = cm->lf.filter_level * 10 / 6; |
| int flags = ppflags->post_proc_flag; |
| int deblock_level = ppflags->deblocking_level; |
| int noise_level = ppflags->noise_level; |
| |
| if (!cm->frame_to_show) |
| return -1; |
| |
| if (q > 63) |
| q = 63; |
| |
| if (!flags) { |
| *dest = *cm->frame_to_show; |
| return 0; |
| } |
| |
| #if ARCH_X86||ARCH_X86_64 |
| vpx_reset_mmx_state(); |
| #endif |
| |
| if (flags & VP9D_DEMACROBLOCK) { |
| deblock_and_de_macro_block(cm->frame_to_show, &cm->post_proc_buffer, |
| q + (deblock_level - 5) * 10, 1, 0); |
| } else if (flags & VP9D_DEBLOCK) { |
| vp9_deblock(cm->frame_to_show, &cm->post_proc_buffer, q); |
| } else { |
| vp8_yv12_copy_frame(cm->frame_to_show, &cm->post_proc_buffer); |
| } |
| |
| if (flags & VP9D_ADDNOISE) { |
| if (cm->postproc_state.last_q != q |
| || cm->postproc_state.last_noise != noise_level) { |
| fillrd(&cm->postproc_state, 63 - q, noise_level); |
| } |
| |
| vp9_plane_add_noise(cm->post_proc_buffer.y_buffer, |
| cm->postproc_state.noise, |
| cm->postproc_state.blackclamp, |
| cm->postproc_state.whiteclamp, |
| cm->postproc_state.bothclamp, |
| cm->post_proc_buffer.y_width, |
| cm->post_proc_buffer.y_height, |
| cm->post_proc_buffer.y_stride); |
| } |
| |
| #if 0 && CONFIG_POSTPROC_VISUALIZER |
| if (flags & VP9D_DEBUG_TXT_FRAME_INFO) { |
| char message[512]; |
| snprintf(message, sizeof(message) -1, |
| "F%1dG%1dQ%3dF%3dP%d_s%dx%d", |
| (cm->frame_type == KEY_FRAME), |
| cm->refresh_golden_frame, |
| cm->base_qindex, |
| cm->filter_level, |
| flags, |
| cm->mb_cols, cm->mb_rows); |
| vp9_blit_text(message, cm->post_proc_buffer.y_buffer, |
| cm->post_proc_buffer.y_stride); |
| } |
| |
| if (flags & VP9D_DEBUG_TXT_MBLK_MODES) { |
| int i, j; |
| uint8_t *y_ptr; |
| YV12_BUFFER_CONFIG *post = &cm->post_proc_buffer; |
| int mb_rows = post->y_height >> 4; |
| int mb_cols = post->y_width >> 4; |
| int mb_index = 0; |
| MODE_INFO *mi = cm->mi; |
| |
| y_ptr = post->y_buffer + 4 * post->y_stride + 4; |
| |
| /* vp9_filter each macro block */ |
| for (i = 0; i < mb_rows; i++) { |
| for (j = 0; j < mb_cols; j++) { |
| char zz[4]; |
| |
| snprintf(zz, sizeof(zz) - 1, "%c", mi[mb_index].mbmi.mode + 'a'); |
| |
| vp9_blit_text(zz, y_ptr, post->y_stride); |
| mb_index++; |
| y_ptr += 16; |
| } |
| |
| mb_index++; /* border */ |
| y_ptr += post->y_stride * 16 - post->y_width; |
| } |
| } |
| |
| if (flags & VP9D_DEBUG_TXT_DC_DIFF) { |
| int i, j; |
| uint8_t *y_ptr; |
| YV12_BUFFER_CONFIG *post = &cm->post_proc_buffer; |
| int mb_rows = post->y_height >> 4; |
| int mb_cols = post->y_width >> 4; |
| int mb_index = 0; |
| MODE_INFO *mi = cm->mi; |
| |
| y_ptr = post->y_buffer + 4 * post->y_stride + 4; |
| |
| /* vp9_filter each macro block */ |
| for (i = 0; i < mb_rows; i++) { |
| for (j = 0; j < mb_cols; j++) { |
| char zz[4]; |
| int dc_diff = !(mi[mb_index].mbmi.mode != I4X4_PRED && |
| mi[mb_index].mbmi.mode != SPLITMV && |
| mi[mb_index].mbmi.skip_coeff); |
| |
| if (cm->frame_type == KEY_FRAME) |
| snprintf(zz, sizeof(zz) - 1, "a"); |
| else |
| snprintf(zz, sizeof(zz) - 1, "%c", dc_diff + '0'); |
| |
| vp9_blit_text(zz, y_ptr, post->y_stride); |
| mb_index++; |
| y_ptr += 16; |
| } |
| |
| mb_index++; /* border */ |
| y_ptr += post->y_stride * 16 - post->y_width; |
| } |
| } |
| |
| if (flags & VP9D_DEBUG_TXT_RATE_INFO) { |
| char message[512]; |
| snprintf(message, sizeof(message), |
| "Bitrate: %10.2f framerate: %10.2f ", |
| cm->bitrate, cm->framerate); |
| vp9_blit_text(message, cm->post_proc_buffer.y_buffer, |
| cm->post_proc_buffer.y_stride); |
| } |
| |
| /* Draw motion vectors */ |
| if ((flags & VP9D_DEBUG_DRAW_MV) && ppflags->display_mv_flag) { |
| YV12_BUFFER_CONFIG *post = &cm->post_proc_buffer; |
| int width = post->y_width; |
| int height = post->y_height; |
| uint8_t *y_buffer = cm->post_proc_buffer.y_buffer; |
| int y_stride = cm->post_proc_buffer.y_stride; |
| MODE_INFO *mi = cm->mi; |
| int x0, y0; |
| |
| for (y0 = 0; y0 < height; y0 += 16) { |
| for (x0 = 0; x0 < width; x0 += 16) { |
| int x1, y1; |
| |
| if (!(ppflags->display_mv_flag & (1 << mi->mbmi.mode))) { |
| mi++; |
| continue; |
| } |
| |
| if (mi->mbmi.mode == SPLITMV) { |
| switch (mi->mbmi.partitioning) { |
| case PARTITIONING_16X8 : { /* mv_top_bottom */ |
| union b_mode_info *bmi = &mi->bmi[0]; |
| MV *mv = &bmi->mv.as_mv; |
| |
| x1 = x0 + 8 + (mv->col >> 3); |
| y1 = y0 + 4 + (mv->row >> 3); |
| |
| constrain_line(x0 + 8, &x1, y0 + 4, &y1, width, height); |
| vp9_blit_line(x0 + 8, x1, y0 + 4, y1, y_buffer, y_stride); |
| |
| bmi = &mi->bmi[8]; |
| |
| x1 = x0 + 8 + (mv->col >> 3); |
| y1 = y0 + 12 + (mv->row >> 3); |
| |
| constrain_line(x0 + 8, &x1, y0 + 12, &y1, width, height); |
| vp9_blit_line(x0 + 8, x1, y0 + 12, y1, y_buffer, y_stride); |
| |
| break; |
| } |
| case PARTITIONING_8X16 : { /* mv_left_right */ |
| union b_mode_info *bmi = &mi->bmi[0]; |
| MV *mv = &bmi->mv.as_mv; |
| |
| x1 = x0 + 4 + (mv->col >> 3); |
| y1 = y0 + 8 + (mv->row >> 3); |
| |
| constrain_line(x0 + 4, &x1, y0 + 8, &y1, width, height); |
| vp9_blit_line(x0 + 4, x1, y0 + 8, y1, y_buffer, y_stride); |
| |
| bmi = &mi->bmi[2]; |
| |
| x1 = x0 + 12 + (mv->col >> 3); |
| y1 = y0 + 8 + (mv->row >> 3); |
| |
| constrain_line(x0 + 12, &x1, y0 + 8, &y1, width, height); |
| vp9_blit_line(x0 + 12, x1, y0 + 8, y1, y_buffer, y_stride); |
| |
| break; |
| } |
| case PARTITIONING_8X8 : { /* mv_quarters */ |
| union b_mode_info *bmi = &mi->bmi[0]; |
| MV *mv = &bmi->mv.as_mv; |
| |
| x1 = x0 + 4 + (mv->col >> 3); |
| y1 = y0 + 4 + (mv->row >> 3); |
| |
| constrain_line(x0 + 4, &x1, y0 + 4, &y1, width, height); |
| vp9_blit_line(x0 + 4, x1, y0 + 4, y1, y_buffer, y_stride); |
| |
| bmi = &mi->bmi[2]; |
| |
| x1 = x0 + 12 + (mv->col >> 3); |
| y1 = y0 + 4 + (mv->row >> 3); |
| |
| constrain_line(x0 + 12, &x1, y0 + 4, &y1, width, height); |
| vp9_blit_line(x0 + 12, x1, y0 + 4, y1, y_buffer, y_stride); |
| |
| bmi = &mi->bmi[8]; |
| |
| x1 = x0 + 4 + (mv->col >> 3); |
| y1 = y0 + 12 + (mv->row >> 3); |
| |
| constrain_line(x0 + 4, &x1, y0 + 12, &y1, width, height); |
| vp9_blit_line(x0 + 4, x1, y0 + 12, y1, y_buffer, y_stride); |
| |
| bmi = &mi->bmi[10]; |
| |
| x1 = x0 + 12 + (mv->col >> 3); |
| y1 = y0 + 12 + (mv->row >> 3); |
| |
| constrain_line(x0 + 12, &x1, y0 + 12, &y1, width, height); |
| vp9_blit_line(x0 + 12, x1, y0 + 12, y1, y_buffer, y_stride); |
| break; |
| } |
| case PARTITIONING_4X4: |
| default : { |
| union b_mode_info *bmi = mi->bmi; |
| int bx0, by0; |
| |
| for (by0 = y0; by0 < (y0 + 16); by0 += 4) { |
| for (bx0 = x0; bx0 < (x0 + 16); bx0 += 4) { |
| MV *mv = &bmi->mv.as_mv; |
| |
| x1 = bx0 + 2 + (mv->col >> 3); |
| y1 = by0 + 2 + (mv->row >> 3); |
| |
| constrain_line(bx0 + 2, &x1, by0 + 2, &y1, width, height); |
| vp9_blit_line(bx0 + 2, x1, by0 + 2, y1, y_buffer, y_stride); |
| |
| bmi++; |
| } |
| } |
| } |
| } |
| } else if (is_inter_mode(mi->mbmi.mode)) { |
| MV *mv = &mi->mbmi.mv.as_mv; |
| const int lx0 = x0 + 8; |
| const int ly0 = y0 + 8; |
| |
| x1 = lx0 + (mv->col >> 3); |
| y1 = ly0 + (mv->row >> 3); |
| |
| if (x1 != lx0 && y1 != ly0) { |
| constrain_line(lx0, &x1, ly0 - 1, &y1, width, height); |
| vp9_blit_line(lx0, x1, ly0 - 1, y1, y_buffer, y_stride); |
| |
| constrain_line(lx0, &x1, ly0 + 1, &y1, width, height); |
| vp9_blit_line(lx0, x1, ly0 + 1, y1, y_buffer, y_stride); |
| } else { |
| vp9_blit_line(lx0, x1, ly0, y1, y_buffer, y_stride); |
| } |
| } |
| |
| mi++; |
| } |
| mi++; |
| } |
| } |
| |
| /* Color in block modes */ |
| if ((flags & VP9D_DEBUG_CLR_BLK_MODES) |
| && (ppflags->display_mb_modes_flag || ppflags->display_b_modes_flag)) { |
| int y, x; |
| YV12_BUFFER_CONFIG *post = &cm->post_proc_buffer; |
| int width = post->y_width; |
| int height = post->y_height; |
| uint8_t *y_ptr = cm->post_proc_buffer.y_buffer; |
| uint8_t *u_ptr = cm->post_proc_buffer.u_buffer; |
| uint8_t *v_ptr = cm->post_proc_buffer.v_buffer; |
| int y_stride = cm->post_proc_buffer.y_stride; |
| MODE_INFO *mi = cm->mi; |
| |
| for (y = 0; y < height; y += 16) { |
| for (x = 0; x < width; x += 16) { |
| int Y = 0, U = 0, V = 0; |
| |
| if (mi->mbmi.mode == I4X4_PRED && |
| ((ppflags->display_mb_modes_flag & I4X4_PRED) || |
| ppflags->display_b_modes_flag)) { |
| int by, bx; |
| uint8_t *yl, *ul, *vl; |
| union b_mode_info *bmi = mi->bmi; |
| |
| yl = y_ptr + x; |
| ul = u_ptr + (x >> 1); |
| vl = v_ptr + (x >> 1); |
| |
| for (by = 0; by < 16; by += 4) { |
| for (bx = 0; bx < 16; bx += 4) { |
| if ((ppflags->display_b_modes_flag & (1 << mi->mbmi.mode)) |
| || (ppflags->display_mb_modes_flag & I4X4_PRED)) { |
| Y = B_PREDICTION_MODE_colors[bmi->as_mode][0]; |
| U = B_PREDICTION_MODE_colors[bmi->as_mode][1]; |
| V = B_PREDICTION_MODE_colors[bmi->as_mode][2]; |
| |
| vp9_blend_b(yl + bx, ul + (bx >> 1), vl + (bx >> 1), Y, U, V, |
| 0xc000, y_stride); |
| } |
| bmi++; |
| } |
| |
| yl += y_stride * 4; |
| ul += y_stride * 1; |
| vl += y_stride * 1; |
| } |
| } else if (ppflags->display_mb_modes_flag & (1 << mi->mbmi.mode)) { |
| Y = MB_PREDICTION_MODE_colors[mi->mbmi.mode][0]; |
| U = MB_PREDICTION_MODE_colors[mi->mbmi.mode][1]; |
| V = MB_PREDICTION_MODE_colors[mi->mbmi.mode][2]; |
| |
| vp9_blend_mb_inner(y_ptr + x, u_ptr + (x >> 1), v_ptr + (x >> 1), |
| Y, U, V, 0xc000, y_stride); |
| } |
| |
| mi++; |
| } |
| y_ptr += y_stride * 16; |
| u_ptr += y_stride * 4; |
| v_ptr += y_stride * 4; |
| |
| mi++; |
| } |
| } |
| |
| /* Color in frame reference blocks */ |
| if ((flags & VP9D_DEBUG_CLR_FRM_REF_BLKS) && |
| ppflags->display_ref_frame_flag) { |
| int y, x; |
| YV12_BUFFER_CONFIG *post = &cm->post_proc_buffer; |
| int width = post->y_width; |
| int height = post->y_height; |
| uint8_t *y_ptr = cm->post_proc_buffer.y_buffer; |
| uint8_t *u_ptr = cm->post_proc_buffer.u_buffer; |
| uint8_t *v_ptr = cm->post_proc_buffer.v_buffer; |
| int y_stride = cm->post_proc_buffer.y_stride; |
| MODE_INFO *mi = cm->mi; |
| |
| for (y = 0; y < height; y += 16) { |
| for (x = 0; x < width; x += 16) { |
| int Y = 0, U = 0, V = 0; |
| |
| if (ppflags->display_ref_frame_flag & (1 << mi->mbmi.ref_frame)) { |
| Y = MV_REFERENCE_FRAME_colors[mi->mbmi.ref_frame][0]; |
| U = MV_REFERENCE_FRAME_colors[mi->mbmi.ref_frame][1]; |
| V = MV_REFERENCE_FRAME_colors[mi->mbmi.ref_frame][2]; |
| |
| vp9_blend_mb_outer(y_ptr + x, u_ptr + (x >> 1), v_ptr + (x >> 1), |
| Y, U, V, 0xc000, y_stride); |
| } |
| |
| mi++; |
| } |
| y_ptr += y_stride * 16; |
| u_ptr += y_stride * 4; |
| v_ptr += y_stride * 4; |
| |
| mi++; |
| } |
| } |
| #endif |
| |
| *dest = cm->post_proc_buffer; |
| |
| /* handle problem with extending borders */ |
| dest->y_width = cm->width; |
| dest->y_height = cm->height; |
| dest->uv_width = dest->y_width >> cm->subsampling_x; |
| dest->uv_height = dest->y_height >> cm->subsampling_y; |
| |
| return 0; |
| } |
