| /* |
| * 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 "./vpx_config.h" |
| #include "vp9_rtcd.h" |
| #include "vp9/encoder/vp9_quantize.h" |
| #include "vp9/common/vp9_reconintra.h" |
| #include "vp9/encoder/vp9_encodemb.h" |
| #include "vp9/common/vp9_invtrans.h" |
| #include "vp9/encoder/vp9_encodeintra.h" |
| |
| static void encode_intra4x4block(MACROBLOCK *x, int ib); |
| |
| int vp9_encode_intra(VP9_COMP *cpi, MACROBLOCK *x, int use_16x16_pred) { |
| MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi; |
| (void) cpi; |
| |
| if (use_16x16_pred) { |
| mbmi->mode = DC_PRED; |
| mbmi->uv_mode = DC_PRED; |
| mbmi->ref_frame = INTRA_FRAME; |
| |
| vp9_encode_intra16x16mby(&cpi->common, x); |
| } else { |
| int i; |
| |
| for (i = 0; i < 16; i++) { |
| x->e_mbd.block[i].bmi.as_mode.first = B_DC_PRED; |
| encode_intra4x4block(x, i); |
| } |
| } |
| |
| return vp9_get_mb_ss(x->plane[0].src_diff); |
| } |
| |
| static void encode_intra4x4block(MACROBLOCK *x, int ib) { |
| BLOCKD *b = &x->e_mbd.block[ib]; |
| MACROBLOCKD * const xd = &x->e_mbd; |
| TX_TYPE tx_type; |
| uint8_t* const src = |
| raster_block_offset_uint8(xd, BLOCK_SIZE_MB16X16, 0, ib, |
| x->plane[0].src.buf, x->plane[0].src.stride); |
| int16_t* const src_diff = |
| raster_block_offset_int16(xd, BLOCK_SIZE_MB16X16, 0, ib, |
| x->plane[0].src_diff); |
| int16_t* const coeff = BLOCK_OFFSET(x->plane[0].coeff, ib, 16); |
| |
| assert(ib < 16); |
| |
| #if CONFIG_NEWBINTRAMODES |
| b->bmi.as_mode.context = vp9_find_bpred_context(&x->e_mbd, b); |
| #endif |
| |
| vp9_intra4x4_predict(&x->e_mbd, b, b->bmi.as_mode.first, |
| *(b->base_dst) + b->dst, b->dst_stride); |
| vp9_subtract_block(4, 4, src_diff, 16, |
| src, x->plane[0].src.stride, |
| *(b->base_dst) + b->dst, b->dst_stride); |
| |
| tx_type = get_tx_type_4x4(&x->e_mbd, ib); |
| if (tx_type != DCT_DCT) { |
| vp9_short_fht4x4(src_diff, coeff, 16, tx_type); |
| vp9_ht_quantize_b_4x4(x, ib, tx_type); |
| vp9_short_iht4x4(BLOCK_OFFSET(xd->plane[0].dqcoeff, ib, 16), |
| b->diff, 16, tx_type); |
| } else { |
| x->fwd_txm4x4(src_diff, coeff, 32); |
| x->quantize_b_4x4(x, ib, 16); |
| vp9_inverse_transform_b_4x4(&x->e_mbd, xd->plane[0].eobs[ib], |
| BLOCK_OFFSET(xd->plane[0].dqcoeff, ib, 16), |
| b->diff, 32); |
| } |
| |
| vp9_recon_b(*(b->base_dst) + b->dst, b->diff, |
| *(b->base_dst) + b->dst, b->dst_stride); |
| } |
| |
| void vp9_encode_intra4x4mby(MACROBLOCK *mb) { |
| int i; |
| |
| for (i = 0; i < 16; i++) |
| encode_intra4x4block(mb, i); |
| } |
| |
| void vp9_encode_intra16x16mby(VP9_COMMON *const cm, MACROBLOCK *x) { |
| MACROBLOCKD *xd = &x->e_mbd; |
| TX_SIZE tx_size = xd->mode_info_context->mbmi.txfm_size; |
| |
| vp9_build_intra_predictors_sby_s(xd, BLOCK_SIZE_MB16X16); |
| vp9_subtract_sby(x, BLOCK_SIZE_MB16X16); |
| |
| switch (tx_size) { |
| case TX_16X16: |
| vp9_transform_sby_16x16(x, BLOCK_SIZE_MB16X16); |
| vp9_quantize_sby_16x16(x, BLOCK_SIZE_MB16X16); |
| if (x->optimize) |
| vp9_optimize_sby_16x16(cm, x, BLOCK_SIZE_MB16X16); |
| vp9_inverse_transform_sby_16x16(xd, BLOCK_SIZE_MB16X16); |
| break; |
| case TX_8X8: |
| vp9_transform_sby_8x8(x, BLOCK_SIZE_MB16X16); |
| vp9_quantize_sby_8x8(x, BLOCK_SIZE_MB16X16); |
| if (x->optimize) |
| vp9_optimize_sby_8x8(cm, x, BLOCK_SIZE_MB16X16); |
| vp9_inverse_transform_sby_8x8(xd, BLOCK_SIZE_MB16X16); |
| break; |
| default: |
| vp9_transform_sby_4x4(x, BLOCK_SIZE_MB16X16); |
| vp9_quantize_sby_4x4(x, BLOCK_SIZE_MB16X16); |
| if (x->optimize) |
| vp9_optimize_sby_4x4(cm, x, BLOCK_SIZE_MB16X16); |
| vp9_inverse_transform_sby_4x4(xd, BLOCK_SIZE_MB16X16); |
| break; |
| } |
| |
| vp9_recon_sby(xd, BLOCK_SIZE_MB16X16); |
| } |
| |
| void vp9_encode_intra16x16mbuv(VP9_COMMON *const cm, MACROBLOCK *x) { |
| MACROBLOCKD *xd = &x->e_mbd; |
| TX_SIZE tx_size = xd->mode_info_context->mbmi.txfm_size; |
| |
| vp9_build_intra_predictors_sbuv_s(xd, BLOCK_SIZE_MB16X16); |
| vp9_subtract_sbuv(x, BLOCK_SIZE_MB16X16); |
| |
| switch (tx_size) { |
| case TX_4X4: |
| vp9_transform_sbuv_4x4(x, BLOCK_SIZE_MB16X16); |
| vp9_quantize_sbuv_4x4(x, BLOCK_SIZE_MB16X16); |
| if (x->optimize) |
| vp9_optimize_sbuv_4x4(cm, x, BLOCK_SIZE_MB16X16); |
| vp9_inverse_transform_sbuv_4x4(xd, BLOCK_SIZE_MB16X16); |
| break; |
| default: // 16x16 or 8x8 |
| vp9_transform_sbuv_8x8(x, BLOCK_SIZE_MB16X16); |
| vp9_quantize_sbuv_8x8(x, BLOCK_SIZE_MB16X16); |
| if (x->optimize) |
| vp9_optimize_sbuv_8x8(cm, x, BLOCK_SIZE_MB16X16); |
| vp9_inverse_transform_sbuv_8x8(xd, BLOCK_SIZE_MB16X16); |
| break; |
| } |
| |
| vp9_recon_sbuv(xd, BLOCK_SIZE_MB16X16); |
| } |
| |
| void vp9_encode_intra8x8(MACROBLOCK *x, int ib) { |
| MACROBLOCKD *xd = &x->e_mbd; |
| BLOCKD *b = &xd->block[ib]; |
| uint8_t* const src = |
| raster_block_offset_uint8(xd, BLOCK_SIZE_MB16X16, 0, ib, |
| x->plane[0].src.buf, x->plane[0].src.stride); |
| int16_t* const src_diff = |
| raster_block_offset_int16(xd, BLOCK_SIZE_MB16X16, 0, ib, |
| x->plane[0].src_diff); |
| const int iblock[4] = {0, 1, 4, 5}; |
| int i; |
| TX_TYPE tx_type; |
| |
| vp9_intra8x8_predict(xd, b, b->bmi.as_mode.first, |
| *(b->base_dst) + b->dst, b->dst_stride); |
| // generate residual blocks |
| vp9_subtract_block(8, 8, src_diff, 16, |
| src, x->plane[0].src.stride, |
| *(b->base_dst) + b->dst, b->dst_stride); |
| |
| if (xd->mode_info_context->mbmi.txfm_size == TX_8X8) { |
| int idx = (ib & 0x02) ? (ib + 2) : ib; |
| int16_t* const dqcoeff = BLOCK_OFFSET(xd->plane[0].dqcoeff, idx, 16); |
| int16_t* const coeff = BLOCK_OFFSET(x->plane[0].coeff, idx, 16); |
| |
| assert(idx < 16); |
| tx_type = get_tx_type_8x8(xd, ib); |
| if (tx_type != DCT_DCT) { |
| vp9_short_fht8x8(src_diff, coeff, 16, tx_type); |
| x->quantize_b_8x8(x, idx, tx_type, 16); |
| vp9_short_iht8x8(dqcoeff, xd->block[ib].diff, |
| 16, tx_type); |
| } else { |
| x->fwd_txm8x8(src_diff, coeff, 32); |
| x->quantize_b_8x8(x, idx, DCT_DCT, 16); |
| vp9_short_idct8x8(dqcoeff, xd->block[ib].diff, 32); |
| } |
| } else { |
| for (i = 0; i < 4; i++) { |
| int idx = ib + iblock[i]; |
| int16_t* const dqcoeff = BLOCK_OFFSET(xd->plane[0].dqcoeff, idx, 16); |
| int16_t* const coeff = BLOCK_OFFSET(x->plane[0].coeff, idx, 16); |
| int16_t* const src_diff = |
| raster_block_offset_int16(xd, BLOCK_SIZE_MB16X16, 0, idx, |
| x->plane[0].src_diff); |
| |
| assert(idx < 16); |
| b = &xd->block[ib + iblock[i]]; |
| tx_type = get_tx_type_4x4(xd, ib + iblock[i]); |
| if (tx_type != DCT_DCT) { |
| vp9_short_fht4x4(src_diff, coeff, 16, tx_type); |
| vp9_ht_quantize_b_4x4(x, ib + iblock[i], tx_type); |
| vp9_short_iht4x4(dqcoeff, b->diff, 16, tx_type); |
| } else if (!(i & 1) && |
| get_tx_type_4x4(xd, ib + iblock[i] + 1) == DCT_DCT) { |
| x->fwd_txm8x4(src_diff, coeff, 32); |
| x->quantize_b_4x4_pair(x, ib + iblock[i], ib + iblock[i] + 1, 16); |
| vp9_inverse_transform_b_4x4(xd, xd->plane[0].eobs[ib + iblock[i]], |
| dqcoeff, b->diff, 32); |
| vp9_inverse_transform_b_4x4(xd, xd->plane[0].eobs[ib + iblock[i] + 1], |
| dqcoeff + 16, (b + 1)->diff, 32); |
| i++; |
| } else { |
| x->fwd_txm4x4(src_diff, coeff, 32); |
| x->quantize_b_4x4(x, ib + iblock[i], 16); |
| vp9_inverse_transform_b_4x4(xd, xd->plane[0].eobs[ib + iblock[i]], |
| dqcoeff, b->diff, 32); |
| } |
| } |
| } |
| |
| // reconstruct submacroblock |
| for (i = 0; i < 4; i++) { |
| b = &xd->block[ib + iblock[i]]; |
| vp9_recon_b_c(*(b->base_dst) + b->dst, b->diff, *(b->base_dst) + b->dst, |
| b->dst_stride); |
| } |
| } |
| |
| void vp9_encode_intra8x8mby(MACROBLOCK *x) { |
| int i; |
| |
| for (i = 0; i < 4; i++) |
| vp9_encode_intra8x8(x, vp9_i8x8_block[i]); |
| } |
| |
| static void encode_intra_uv4x4(MACROBLOCK *x, int ib, int mode) { |
| MACROBLOCKD * const xd = &x->e_mbd; |
| BLOCKD *b = &x->e_mbd.block[ib]; |
| int16_t * const dqcoeff = MB_SUBBLOCK_FIELD(xd, dqcoeff, ib); |
| int16_t* const coeff = MB_SUBBLOCK_FIELD(x, coeff, ib); |
| const int plane = ib < 20 ? 1 : 2; |
| const int block = ib < 20 ? ib - 16 : ib - 20; |
| uint8_t* const src = |
| raster_block_offset_uint8(xd, BLOCK_SIZE_MB16X16, plane, block, |
| x->plane[plane].src.buf, |
| x->plane[plane].src.stride); |
| int16_t* const src_diff = |
| raster_block_offset_int16(xd, BLOCK_SIZE_MB16X16, plane, block, |
| x->plane[plane].src_diff); |
| |
| assert(ib >= 16 && ib < 24); |
| vp9_intra_uv4x4_predict(&x->e_mbd, b, mode, |
| *(b->base_dst) + b->dst, b->dst_stride); |
| |
| assert(xd->plane[1].subsampling_x == 1); |
| vp9_subtract_block(4, 4, src_diff, 8, |
| src, x->plane[plane].src.stride, |
| *(b->base_dst) + b->dst, b->dst_stride); |
| |
| x->fwd_txm4x4(src_diff, coeff, 16); |
| x->quantize_b_4x4(x, ib, 16); |
| vp9_inverse_transform_b_4x4(&x->e_mbd, xd->plane[plane].eobs[block], |
| dqcoeff, b->diff, 16); |
| |
| vp9_recon_uv_b_c(*(b->base_dst) + b->dst, b->diff, *(b->base_dst) + b->dst, |
| b->dst_stride); |
| } |
| |
| void vp9_encode_intra8x8mbuv(MACROBLOCK *x) { |
| int i; |
| |
| for (i = 0; i < 4; i++) { |
| BLOCKD *b = &x->e_mbd.block[vp9_i8x8_block[i]]; |
| int mode = b->bmi.as_mode.first; |
| |
| encode_intra_uv4x4(x, i + 16, mode); // u |
| encode_intra_uv4x4(x, i + 20, mode); // v |
| } |
| } |
