/* * 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 "./vp9_rtcd.h" #include "./vpx_config.h" #include "./vpx_dsp_rtcd.h" #include "vpx_dsp/quantize.h" #include "vpx_mem/vpx_mem.h" #include "vpx_ports/mem.h" #if CONFIG_MISMATCH_DEBUG #include "vpx_util/vpx_debug_util.h" #endif #include "vp9/common/vp9_idct.h" #include "vp9/common/vp9_reconinter.h" #include "vp9/common/vp9_reconintra.h" #include "vp9/common/vp9_scan.h" #include "vp9/encoder/vp9_encodemb.h" #include "vp9/encoder/vp9_encoder.h" #include "vp9/encoder/vp9_rd.h" #include "vp9/encoder/vp9_tokenize.h" struct optimize_ctx { ENTROPY_CONTEXT ta[MAX_MB_PLANE][16]; ENTROPY_CONTEXT tl[MAX_MB_PLANE][16]; }; void vp9_subtract_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) { struct macroblock_plane *const p = &x->plane[plane]; const struct macroblockd_plane *const pd = &x->e_mbd.plane[plane]; const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd); const int bw = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; const int bh = 4 * num_4x4_blocks_high_lookup[plane_bsize]; #if CONFIG_VP9_HIGHBITDEPTH if (x->e_mbd.cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { vpx_highbd_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride, pd->dst.buf, pd->dst.stride, x->e_mbd.bd); return; } #endif // CONFIG_VP9_HIGHBITDEPTH vpx_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride, pd->dst.buf, pd->dst.stride); } static const int plane_rd_mult[REF_TYPES][PLANE_TYPES] = { { 10, 6 }, { 8, 5 }, }; // 'num' can be negative, but 'shift' must be non-negative. #define RIGHT_SHIFT_POSSIBLY_NEGATIVE(num, shift) \ (((num) >= 0) ? (num) >> (shift) : -((-(num)) >> (shift))) int vp9_optimize_b(MACROBLOCK *mb, int plane, int block, TX_SIZE tx_size, int ctx) { MACROBLOCKD *const xd = &mb->e_mbd; struct macroblock_plane *const p = &mb->plane[plane]; struct macroblockd_plane *const pd = &xd->plane[plane]; const int ref = is_inter_block(xd->mi[0]); uint8_t token_cache[1024]; const tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); const int eob = p->eobs[block]; const PLANE_TYPE plane_type = get_plane_type(plane); const int default_eob = 16 << (tx_size << 1); const int shift = (tx_size == TX_32X32); const int16_t *const dequant_ptr = pd->dequant; const uint8_t *const band_translate = get_band_translate(tx_size); const ScanOrder *const so = get_scan(xd, tx_size, plane_type, block); const int16_t *const scan = so->scan; const int16_t *const nb = so->neighbors; const MODE_INFO *mbmi = xd->mi[0]; const int sharpness = mb->sharpness; const int64_t rdadj = (int64_t)mb->rdmult * plane_rd_mult[ref][plane_type]; const int64_t rdmult = (sharpness == 0 ? rdadj >> 1 : (rdadj * (8 - sharpness + mbmi->segment_id)) >> 4); const int64_t rddiv = mb->rddiv; int64_t rd_cost0, rd_cost1; int64_t rate0, rate1; int16_t t0, t1; int i, final_eob; int count_high_values_after_eob = 0; #if CONFIG_VP9_HIGHBITDEPTH const uint16_t *cat6_high_cost = vp9_get_high_cost_table(xd->bd); #else const uint16_t *cat6_high_cost = vp9_get_high_cost_table(8); #endif unsigned int(*const token_costs)[2][COEFF_CONTEXTS][ENTROPY_TOKENS] = mb->token_costs[tx_size][plane_type][ref]; unsigned int(*token_costs_cur)[2][COEFF_CONTEXTS][ENTROPY_TOKENS]; int64_t eob_cost0, eob_cost1; const int ctx0 = ctx; int64_t accu_rate = 0; // Initialized to the worst possible error for the largest transform size. // This ensures that it never goes negative. int64_t accu_error = ((int64_t)1) << 50; int64_t best_block_rd_cost = INT64_MAX; int x_prev = 1; tran_low_t before_best_eob_qc = 0; tran_low_t before_best_eob_dqc = 0; assert((!plane_type && !plane) || (plane_type && plane)); assert(eob <= default_eob); for (i = 0; i < eob; i++) { const int rc = scan[i]; token_cache[rc] = vp9_pt_energy_class[vp9_get_token(qcoeff[rc])]; } final_eob = 0; // Initial RD cost. token_costs_cur = token_costs + band_translate[0]; rate0 = (*token_costs_cur)[0][ctx0][EOB_TOKEN]; best_block_rd_cost = RDCOST(rdmult, rddiv, rate0, accu_error); // For each token, pick one of two choices greedily: // (i) First candidate: Keep current quantized value, OR // (ii) Second candidate: Reduce quantized value by 1. for (i = 0; i < eob; i++) { const int rc = scan[i]; const int x = qcoeff[rc]; const int band_cur = band_translate[i]; const int ctx_cur = (i == 0) ? ctx : get_coef_context(nb, token_cache, i); const int token_tree_sel_cur = (x_prev == 0); token_costs_cur = token_costs + band_cur; if (x == 0) { // No need to search const int token = vp9_get_token(x); rate0 = (*token_costs_cur)[token_tree_sel_cur][ctx_cur][token]; accu_rate += rate0; x_prev = 0; // Note: accu_error does not change. } else { const int dqv = dequant_ptr[rc != 0]; // Compute the distortion for quantizing to 0. const int diff_for_zero_raw = (0 - coeff[rc]) * (1 << shift); const int diff_for_zero = #if CONFIG_VP9_HIGHBITDEPTH (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) ? RIGHT_SHIFT_POSSIBLY_NEGATIVE(diff_for_zero_raw, xd->bd - 8) : #endif diff_for_zero_raw; const int64_t distortion_for_zero = (int64_t)diff_for_zero * diff_for_zero; // Compute the distortion for the first candidate const int diff0_raw = (dqcoeff[rc] - coeff[rc]) * (1 << shift); const int diff0 = #if CONFIG_VP9_HIGHBITDEPTH (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) ? RIGHT_SHIFT_POSSIBLY_NEGATIVE(diff0_raw, xd->bd - 8) : #endif // CONFIG_VP9_HIGHBITDEPTH diff0_raw; const int64_t distortion0 = (int64_t)diff0 * diff0; // Compute the distortion for the second candidate const int sign = -(x < 0); // -1 if x is negative and 0 otherwise. const int x1 = x - 2 * sign - 1; // abs(x1) = abs(x) - 1. int64_t distortion1; if (x1 != 0) { const int dqv_step = #if CONFIG_VP9_HIGHBITDEPTH (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) ? dqv >> (xd->bd - 8) : #endif // CONFIG_VP9_HIGHBITDEPTH dqv; const int diff_step = (dqv_step + sign) ^ sign; const int diff1 = diff0 - diff_step; assert(dqv > 0); // We aren't right shifting a negative number above. distortion1 = (int64_t)diff1 * diff1; } else { distortion1 = distortion_for_zero; } { // Calculate RDCost for current coeff for the two candidates. const int64_t base_bits0 = vp9_get_token_cost(x, &t0, cat6_high_cost); const int64_t base_bits1 = vp9_get_token_cost(x1, &t1, cat6_high_cost); rate0 = base_bits0 + (*token_costs_cur)[token_tree_sel_cur][ctx_cur][t0]; rate1 = base_bits1 + (*token_costs_cur)[token_tree_sel_cur][ctx_cur][t1]; } { int rdcost_better_for_x1, eob_rdcost_better_for_x1; int dqc0, dqc1; int64_t best_eob_cost_cur; int use_x1; // Calculate RD Cost effect on the next coeff for the two candidates. int64_t next_bits0 = 0; int64_t next_bits1 = 0; int64_t next_eob_bits0 = 0; int64_t next_eob_bits1 = 0; if (i < default_eob - 1) { int ctx_next, token_tree_sel_next; const int band_next = band_translate[i + 1]; const int token_next = (i + 1 != eob) ? vp9_get_token(qcoeff[scan[i + 1]]) : EOB_TOKEN; unsigned int(*const token_costs_next)[2][COEFF_CONTEXTS] [ENTROPY_TOKENS] = token_costs + band_next; token_cache[rc] = vp9_pt_energy_class[t0]; ctx_next = get_coef_context(nb, token_cache, i + 1); token_tree_sel_next = (x == 0); next_bits0 = (*token_costs_next)[token_tree_sel_next][ctx_next][token_next]; next_eob_bits0 = (*token_costs_next)[token_tree_sel_next][ctx_next][EOB_TOKEN]; token_cache[rc] = vp9_pt_energy_class[t1]; ctx_next = get_coef_context(nb, token_cache, i + 1); token_tree_sel_next = (x1 == 0); next_bits1 = (*token_costs_next)[token_tree_sel_next][ctx_next][token_next]; if (x1 != 0) { next_eob_bits1 = (*token_costs_next)[token_tree_sel_next][ctx_next][EOB_TOKEN]; } } // Compare the total RD costs for two candidates. rd_cost0 = RDCOST(rdmult, rddiv, (rate0 + next_bits0), distortion0); rd_cost1 = RDCOST(rdmult, rddiv, (rate1 + next_bits1), distortion1); rdcost_better_for_x1 = (rd_cost1 < rd_cost0); eob_cost0 = RDCOST(rdmult, rddiv, (accu_rate + rate0 + next_eob_bits0), (accu_error + distortion0 - distortion_for_zero)); eob_cost1 = eob_cost0; if (x1 != 0) { eob_cost1 = RDCOST(rdmult, rddiv, (accu_rate + rate1 + next_eob_bits1), (accu_error + distortion1 - distortion_for_zero)); eob_rdcost_better_for_x1 = (eob_cost1 < eob_cost0); } else { eob_rdcost_better_for_x1 = 0; } // Calculate the two candidate de-quantized values. dqc0 = dqcoeff[rc]; dqc1 = 0; if (rdcost_better_for_x1 + eob_rdcost_better_for_x1) { if (x1 != 0) { dqc1 = RIGHT_SHIFT_POSSIBLY_NEGATIVE(x1 * dqv, shift); } else { dqc1 = 0; } } // Pick and record the better quantized and de-quantized values. if (rdcost_better_for_x1) { qcoeff[rc] = x1; dqcoeff[rc] = dqc1; accu_rate += rate1; accu_error += distortion1 - distortion_for_zero; assert(distortion1 <= distortion_for_zero); token_cache[rc] = vp9_pt_energy_class[t1]; } else { accu_rate += rate0; accu_error += distortion0 - distortion_for_zero; assert(distortion0 <= distortion_for_zero); token_cache[rc] = vp9_pt_energy_class[t0]; } if (sharpness > 0 && abs(qcoeff[rc]) > 1) count_high_values_after_eob++; assert(accu_error >= 0); x_prev = qcoeff[rc]; // Update based on selected quantized value. use_x1 = (x1 != 0) && eob_rdcost_better_for_x1; best_eob_cost_cur = use_x1 ? eob_cost1 : eob_cost0; // Determine whether to move the eob position to i+1 if (best_eob_cost_cur < best_block_rd_cost) { best_block_rd_cost = best_eob_cost_cur; final_eob = i + 1; count_high_values_after_eob = 0; if (use_x1) { before_best_eob_qc = x1; before_best_eob_dqc = dqc1; } else { before_best_eob_qc = x; before_best_eob_dqc = dqc0; } } } } } if (count_high_values_after_eob > 0) { final_eob = eob - 1; for (; final_eob >= 0; final_eob--) { const int rc = scan[final_eob]; const int x = qcoeff[rc]; if (x) { break; } } final_eob++; } else { assert(final_eob <= eob); if (final_eob > 0) { int rc; assert(before_best_eob_qc != 0); i = final_eob - 1; rc = scan[i]; qcoeff[rc] = before_best_eob_qc; dqcoeff[rc] = before_best_eob_dqc; } for (i = final_eob; i < eob; i++) { int rc = scan[i]; qcoeff[rc] = 0; dqcoeff[rc] = 0; } } mb->plane[plane].eobs[block] = final_eob; return final_eob; } #undef RIGHT_SHIFT_POSSIBLY_NEGATIVE static INLINE void fdct32x32(int rd_transform, const int16_t *src, tran_low_t *dst, int src_stride) { if (rd_transform) vpx_fdct32x32_rd(src, dst, src_stride); else vpx_fdct32x32(src, dst, src_stride); } #if CONFIG_VP9_HIGHBITDEPTH static INLINE void highbd_fdct32x32(int rd_transform, const int16_t *src, tran_low_t *dst, int src_stride) { if (rd_transform) vpx_highbd_fdct32x32_rd(src, dst, src_stride); else vpx_highbd_fdct32x32(src, dst, src_stride); } #endif // CONFIG_VP9_HIGHBITDEPTH void vp9_xform_quant_fp(MACROBLOCK *x, int plane, int block, int row, int col, BLOCK_SIZE plane_bsize, TX_SIZE tx_size) { MACROBLOCKD *const xd = &x->e_mbd; const struct macroblock_plane *const p = &x->plane[plane]; const struct macroblockd_plane *const pd = &xd->plane[plane]; const ScanOrder *const scan_order = &vp9_default_scan_orders[tx_size]; tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); uint16_t *const eob = &p->eobs[block]; const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; const int16_t *src_diff; src_diff = &p->src_diff[4 * (row * diff_stride + col)]; // skip block condition should be handled before this is called. assert(!x->skip_block); #if CONFIG_VP9_HIGHBITDEPTH if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { switch (tx_size) { case TX_32X32: highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); vp9_highbd_quantize_fp_32x32(coeff, 1024, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; case TX_16X16: vpx_highbd_fdct16x16(src_diff, coeff, diff_stride); vp9_highbd_quantize_fp(coeff, 256, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; case TX_8X8: vpx_highbd_fdct8x8(src_diff, coeff, diff_stride); vp9_highbd_quantize_fp(coeff, 64, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; default: assert(tx_size == TX_4X4); x->fwd_txfm4x4(src_diff, coeff, diff_stride); vp9_highbd_quantize_fp(coeff, 16, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; } return; } #endif // CONFIG_VP9_HIGHBITDEPTH switch (tx_size) { case TX_32X32: fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); vp9_quantize_fp_32x32(coeff, 1024, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; case TX_16X16: vpx_fdct16x16(src_diff, coeff, diff_stride); vp9_quantize_fp(coeff, 256, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; case TX_8X8: vpx_fdct8x8(src_diff, coeff, diff_stride); vp9_quantize_fp(coeff, 64, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; default: assert(tx_size == TX_4X4); x->fwd_txfm4x4(src_diff, coeff, diff_stride); vp9_quantize_fp(coeff, 16, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; } } void vp9_xform_quant_dc(MACROBLOCK *x, int plane, int block, int row, int col, BLOCK_SIZE plane_bsize, TX_SIZE tx_size) { MACROBLOCKD *const xd = &x->e_mbd; const struct macroblock_plane *const p = &x->plane[plane]; const struct macroblockd_plane *const pd = &xd->plane[plane]; tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); uint16_t *const eob = &p->eobs[block]; const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; const int16_t *src_diff; src_diff = &p->src_diff[4 * (row * diff_stride + col)]; // skip block condition should be handled before this is called. assert(!x->skip_block); #if CONFIG_VP9_HIGHBITDEPTH if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { switch (tx_size) { case TX_32X32: vpx_highbd_fdct32x32_1(src_diff, coeff, diff_stride); vpx_highbd_quantize_dc_32x32(coeff, p->round, p->quant_fp[0], qcoeff, dqcoeff, pd->dequant[0], eob); break; case TX_16X16: vpx_highbd_fdct16x16_1(src_diff, coeff, diff_stride); vpx_highbd_quantize_dc(coeff, 256, p->round, p->quant_fp[0], qcoeff, dqcoeff, pd->dequant[0], eob); break; case TX_8X8: vpx_highbd_fdct8x8_1(src_diff, coeff, diff_stride); vpx_highbd_quantize_dc(coeff, 64, p->round, p->quant_fp[0], qcoeff, dqcoeff, pd->dequant[0], eob); break; default: assert(tx_size == TX_4X4); x->fwd_txfm4x4(src_diff, coeff, diff_stride); vpx_highbd_quantize_dc(coeff, 16, p->round, p->quant_fp[0], qcoeff, dqcoeff, pd->dequant[0], eob); break; } return; } #endif // CONFIG_VP9_HIGHBITDEPTH switch (tx_size) { case TX_32X32: vpx_fdct32x32_1(src_diff, coeff, diff_stride); vpx_quantize_dc_32x32(coeff, p->round, p->quant_fp[0], qcoeff, dqcoeff, pd->dequant[0], eob); break; case TX_16X16: vpx_fdct16x16_1(src_diff, coeff, diff_stride); vpx_quantize_dc(coeff, 256, p->round, p->quant_fp[0], qcoeff, dqcoeff, pd->dequant[0], eob); break; case TX_8X8: vpx_fdct8x8_1(src_diff, coeff, diff_stride); vpx_quantize_dc(coeff, 64, p->round, p->quant_fp[0], qcoeff, dqcoeff, pd->dequant[0], eob); break; default: assert(tx_size == TX_4X4); x->fwd_txfm4x4(src_diff, coeff, diff_stride); vpx_quantize_dc(coeff, 16, p->round, p->quant_fp[0], qcoeff, dqcoeff, pd->dequant[0], eob); break; } } void vp9_xform_quant(MACROBLOCK *x, int plane, int block, int row, int col, BLOCK_SIZE plane_bsize, TX_SIZE tx_size) { MACROBLOCKD *const xd = &x->e_mbd; const struct macroblock_plane *const p = &x->plane[plane]; const struct macroblockd_plane *const pd = &xd->plane[plane]; const ScanOrder *const scan_order = &vp9_default_scan_orders[tx_size]; tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); uint16_t *const eob = &p->eobs[block]; const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; const int16_t *src_diff; src_diff = &p->src_diff[4 * (row * diff_stride + col)]; // skip block condition should be handled before this is called. assert(!x->skip_block); #if CONFIG_VP9_HIGHBITDEPTH if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { switch (tx_size) { case TX_32X32: highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); vpx_highbd_quantize_b_32x32(coeff, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; case TX_16X16: vpx_highbd_fdct16x16(src_diff, coeff, diff_stride); vpx_highbd_quantize_b(coeff, 256, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; case TX_8X8: vpx_highbd_fdct8x8(src_diff, coeff, diff_stride); vpx_highbd_quantize_b(coeff, 64, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; default: assert(tx_size == TX_4X4); x->fwd_txfm4x4(src_diff, coeff, diff_stride); vpx_highbd_quantize_b(coeff, 16, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; } return; } #endif // CONFIG_VP9_HIGHBITDEPTH switch (tx_size) { case TX_32X32: fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); vpx_quantize_b_32x32(coeff, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; case TX_16X16: vpx_fdct16x16(src_diff, coeff, diff_stride); vpx_quantize_b(coeff, 256, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; case TX_8X8: vpx_fdct8x8(src_diff, coeff, diff_stride); vpx_quantize_b(coeff, 64, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; default: assert(tx_size == TX_4X4); x->fwd_txfm4x4(src_diff, coeff, diff_stride); vpx_quantize_b(coeff, 16, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); break; } } static void encode_block(int plane, int block, int row, int col, BLOCK_SIZE plane_bsize, TX_SIZE tx_size, void *arg) { struct encode_b_args *const args = arg; #if CONFIG_MISMATCH_DEBUG int mi_row = args->mi_row; int mi_col = args->mi_col; int output_enabled = args->output_enabled; #endif MACROBLOCK *const x = args->x; MACROBLOCKD *const xd = &x->e_mbd; struct macroblock_plane *const p = &x->plane[plane]; struct macroblockd_plane *const pd = &xd->plane[plane]; tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); uint8_t *dst; ENTROPY_CONTEXT *a, *l; dst = &pd->dst.buf[4 * row * pd->dst.stride + 4 * col]; a = &args->ta[col]; l = &args->tl[row]; // TODO(jingning): per transformed block zero forcing only enabled for // luma component. will integrate chroma components as well. if (x->zcoeff_blk[tx_size][block] && plane == 0) { p->eobs[block] = 0; *a = *l = 0; #if CONFIG_MISMATCH_DEBUG goto encode_block_end; #else return; #endif } if (!x->skip_recode) { if (x->quant_fp) { // Encoding process for rtc mode if (x->skip_txfm[0] == SKIP_TXFM_AC_DC && plane == 0) { // skip forward transform p->eobs[block] = 0; *a = *l = 0; #if CONFIG_MISMATCH_DEBUG goto encode_block_end; #else return; #endif } else { vp9_xform_quant_fp(x, plane, block, row, col, plane_bsize, tx_size); } } else { if (max_txsize_lookup[plane_bsize] == tx_size) { int txfm_blk_index = (plane << 2) + (block >> (tx_size << 1)); if (x->skip_txfm[txfm_blk_index] == SKIP_TXFM_NONE) { // full forward transform and quantization vp9_xform_quant(x, plane, block, row, col, plane_bsize, tx_size); } else if (x->skip_txfm[txfm_blk_index] == SKIP_TXFM_AC_ONLY) { // fast path forward transform and quantization vp9_xform_quant_dc(x, plane, block, row, col, plane_bsize, tx_size); } else { // skip forward transform p->eobs[block] = 0; *a = *l = 0; #if CONFIG_MISMATCH_DEBUG goto encode_block_end; #else return; #endif } } else { vp9_xform_quant(x, plane, block, row, col, plane_bsize, tx_size); } } } if (x->optimize && (!x->skip_recode || !x->skip_optimize)) { const int ctx = combine_entropy_contexts(*a, *l); *a = *l = vp9_optimize_b(x, plane, block, tx_size, ctx) > 0; } else { *a = *l = p->eobs[block] > 0; } if (p->eobs[block]) *(args->skip) = 0; if (x->skip_encode || p->eobs[block] == 0) { #if CONFIG_MISMATCH_DEBUG goto encode_block_end; #else return; #endif } #if CONFIG_VP9_HIGHBITDEPTH if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { uint16_t *const dst16 = CONVERT_TO_SHORTPTR(dst); switch (tx_size) { case TX_32X32: vp9_highbd_idct32x32_add(dqcoeff, dst16, pd->dst.stride, p->eobs[block], xd->bd); break; case TX_16X16: vp9_highbd_idct16x16_add(dqcoeff, dst16, pd->dst.stride, p->eobs[block], xd->bd); break; case TX_8X8: vp9_highbd_idct8x8_add(dqcoeff, dst16, pd->dst.stride, p->eobs[block], xd->bd); break; default: assert(tx_size == TX_4X4); // this is like vp9_short_idct4x4 but has a special case around eob<=1 // which is significant (not just an optimization) for the lossless // case. x->highbd_inv_txfm_add(dqcoeff, dst16, pd->dst.stride, p->eobs[block], xd->bd); break; } #if CONFIG_MISMATCH_DEBUG goto encode_block_end; #else return; #endif } #endif // CONFIG_VP9_HIGHBITDEPTH switch (tx_size) { case TX_32X32: vp9_idct32x32_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); break; case TX_16X16: vp9_idct16x16_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); break; case TX_8X8: vp9_idct8x8_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); break; default: assert(tx_size == TX_4X4); // this is like vp9_short_idct4x4 but has a special case around eob<=1 // which is significant (not just an optimization) for the lossless // case. x->inv_txfm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); break; } #if CONFIG_MISMATCH_DEBUG encode_block_end: if (output_enabled) { int pixel_c, pixel_r; int blk_w = 1 << (tx_size + TX_UNIT_SIZE_LOG2); int blk_h = 1 << (tx_size + TX_UNIT_SIZE_LOG2); mi_to_pixel_loc(&pixel_c, &pixel_r, mi_col, mi_row, col, row, pd->subsampling_x, pd->subsampling_y); mismatch_record_block_tx(dst, pd->dst.stride, plane, pixel_c, pixel_r, blk_w, blk_h, xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH); } #endif } static void encode_block_pass1(int plane, int block, int row, int col, BLOCK_SIZE plane_bsize, TX_SIZE tx_size, void *arg) { MACROBLOCK *const x = (MACROBLOCK *)arg; MACROBLOCKD *const xd = &x->e_mbd; struct macroblock_plane *const p = &x->plane[plane]; struct macroblockd_plane *const pd = &xd->plane[plane]; tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); uint8_t *dst; dst = &pd->dst.buf[4 * row * pd->dst.stride + 4 * col]; vp9_xform_quant(x, plane, block, row, col, plane_bsize, tx_size); if (p->eobs[block] > 0) { #if CONFIG_VP9_HIGHBITDEPTH if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { x->highbd_inv_txfm_add(dqcoeff, CONVERT_TO_SHORTPTR(dst), pd->dst.stride, p->eobs[block], xd->bd); return; } #endif // CONFIG_VP9_HIGHBITDEPTH x->inv_txfm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); } } void vp9_encode_sby_pass1(MACROBLOCK *x, BLOCK_SIZE bsize) { vp9_subtract_plane(x, bsize, 0); vp9_foreach_transformed_block_in_plane(&x->e_mbd, bsize, 0, encode_block_pass1, x); } void vp9_encode_sb(MACROBLOCK *x, BLOCK_SIZE bsize, int mi_row, int mi_col, int output_enabled) { MACROBLOCKD *const xd = &x->e_mbd; struct optimize_ctx ctx; MODE_INFO *mi = xd->mi[0]; int plane; #if CONFIG_MISMATCH_DEBUG struct encode_b_args arg = { x, 1, // enable_trellis_opt 0.0, // trellis_opt_thresh NULL, // &sse_calc_done NULL, // &sse NULL, // above entropy context NULL, // left entropy context &mi->skip, mi_row, mi_col, output_enabled }; #else struct encode_b_args arg = { x, 1, // enable_trellis_opt 0.0, // trellis_opt_thresh NULL, // &sse_calc_done NULL, // &sse NULL, // above entropy context NULL, // left entropy context &mi->skip }; (void)mi_row; (void)mi_col; (void)output_enabled; #endif mi->skip = 1; if (x->skip) return; for (plane = 0; plane < MAX_MB_PLANE; ++plane) { if (!x->skip_recode) vp9_subtract_plane(x, bsize, plane); if (x->optimize && (!x->skip_recode || !x->skip_optimize)) { const struct macroblockd_plane *const pd = &xd->plane[plane]; const TX_SIZE tx_size = plane ? get_uv_tx_size(mi, pd) : mi->tx_size; vp9_get_entropy_contexts(bsize, tx_size, pd, ctx.ta[plane], ctx.tl[plane]); arg.enable_trellis_opt = 1; } else { arg.enable_trellis_opt = 0; } arg.ta = ctx.ta[plane]; arg.tl = ctx.tl[plane]; vp9_foreach_transformed_block_in_plane(xd, bsize, plane, encode_block, &arg); } } void vp9_encode_block_intra(int plane, int block, int row, int col, BLOCK_SIZE plane_bsize, TX_SIZE tx_size, void *arg) { struct encode_b_args *const args = arg; MACROBLOCK *const x = args->x; MACROBLOCKD *const xd = &x->e_mbd; MODE_INFO *mi = xd->mi[0]; struct macroblock_plane *const p = &x->plane[plane]; struct macroblockd_plane *const pd = &xd->plane[plane]; tran_low_t *coeff = BLOCK_OFFSET(p->coeff, block); tran_low_t *qcoeff = BLOCK_OFFSET(p->qcoeff, block); tran_low_t *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); const ScanOrder *scan_order; TX_TYPE tx_type = DCT_DCT; PREDICTION_MODE mode; const int bwl = b_width_log2_lookup[plane_bsize]; const int diff_stride = 4 * (1 << bwl); uint8_t *src, *dst; int16_t *src_diff; uint16_t *eob = &p->eobs[block]; const int src_stride = p->src.stride; const int dst_stride = pd->dst.stride; int enable_trellis_opt = !x->skip_recode; ENTROPY_CONTEXT *a = NULL; ENTROPY_CONTEXT *l = NULL; int entropy_ctx = 0; dst = &pd->dst.buf[4 * (row * dst_stride + col)]; src = &p->src.buf[4 * (row * src_stride + col)]; src_diff = &p->src_diff[4 * (row * diff_stride + col)]; if (tx_size == TX_4X4) { tx_type = get_tx_type_4x4(get_plane_type(plane), xd, block); scan_order = &vp9_scan_orders[TX_4X4][tx_type]; mode = plane == 0 ? get_y_mode(xd->mi[0], block) : mi->uv_mode; } else { mode = plane == 0 ? mi->mode : mi->uv_mode; if (tx_size == TX_32X32) { scan_order = &vp9_default_scan_orders[TX_32X32]; } else { tx_type = get_tx_type(get_plane_type(plane), xd); scan_order = &vp9_scan_orders[tx_size][tx_type]; } } vp9_predict_intra_block( xd, bwl, tx_size, mode, (x->skip_encode || x->fp_src_pred) ? src : dst, (x->skip_encode || x->fp_src_pred) ? src_stride : dst_stride, dst, dst_stride, col, row, plane); // skip block condition should be handled before this is called. assert(!x->skip_block); if (!x->skip_recode) { const int tx_size_in_pixels = (1 << tx_size) << 2; #if CONFIG_VP9_HIGHBITDEPTH if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { vpx_highbd_subtract_block(tx_size_in_pixels, tx_size_in_pixels, src_diff, diff_stride, src, src_stride, dst, dst_stride, xd->bd); } else { vpx_subtract_block(tx_size_in_pixels, tx_size_in_pixels, src_diff, diff_stride, src, src_stride, dst, dst_stride); } #else vpx_subtract_block(tx_size_in_pixels, tx_size_in_pixels, src_diff, diff_stride, src, src_stride, dst, dst_stride); #endif enable_trellis_opt = do_trellis_opt(pd, src_diff, diff_stride, row, col, plane_bsize, tx_size, args); } if (enable_trellis_opt) { a = &args->ta[col]; l = &args->tl[row]; entropy_ctx = combine_entropy_contexts(*a, *l); } #if CONFIG_VP9_HIGHBITDEPTH if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { uint16_t *const dst16 = CONVERT_TO_SHORTPTR(dst); switch (tx_size) { case TX_32X32: if (!x->skip_recode) { highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); vpx_highbd_quantize_b_32x32(coeff, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); } if (enable_trellis_opt) { *a = *l = vp9_optimize_b(x, plane, block, tx_size, entropy_ctx) > 0; } if (!x->skip_encode && *eob) { vp9_highbd_idct32x32_add(dqcoeff, dst16, dst_stride, *eob, xd->bd); } break; case TX_16X16: if (!x->skip_recode) { if (tx_type == DCT_DCT) vpx_highbd_fdct16x16(src_diff, coeff, diff_stride); else vp9_highbd_fht16x16(src_diff, coeff, diff_stride, tx_type); vpx_highbd_quantize_b(coeff, 256, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); } if (enable_trellis_opt) { *a = *l = vp9_optimize_b(x, plane, block, tx_size, entropy_ctx) > 0; } if (!x->skip_encode && *eob) { vp9_highbd_iht16x16_add(tx_type, dqcoeff, dst16, dst_stride, *eob, xd->bd); } break; case TX_8X8: if (!x->skip_recode) { if (tx_type == DCT_DCT) vpx_highbd_fdct8x8(src_diff, coeff, diff_stride); else vp9_highbd_fht8x8(src_diff, coeff, diff_stride, tx_type); vpx_highbd_quantize_b(coeff, 64, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); } if (enable_trellis_opt) { *a = *l = vp9_optimize_b(x, plane, block, tx_size, entropy_ctx) > 0; } if (!x->skip_encode && *eob) { vp9_highbd_iht8x8_add(tx_type, dqcoeff, dst16, dst_stride, *eob, xd->bd); } break; default: assert(tx_size == TX_4X4); if (!x->skip_recode) { if (tx_type != DCT_DCT) vp9_highbd_fht4x4(src_diff, coeff, diff_stride, tx_type); else x->fwd_txfm4x4(src_diff, coeff, diff_stride); vpx_highbd_quantize_b(coeff, 16, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); } if (enable_trellis_opt) { *a = *l = vp9_optimize_b(x, plane, block, tx_size, entropy_ctx) > 0; } if (!x->skip_encode && *eob) { if (tx_type == DCT_DCT) { // this is like vp9_short_idct4x4 but has a special case around // eob<=1 which is significant (not just an optimization) for the // lossless case. x->highbd_inv_txfm_add(dqcoeff, dst16, dst_stride, *eob, xd->bd); } else { vp9_highbd_iht4x4_16_add(dqcoeff, dst16, dst_stride, tx_type, xd->bd); } } break; } if (*eob) *(args->skip) = 0; return; } #endif // CONFIG_VP9_HIGHBITDEPTH switch (tx_size) { case TX_32X32: if (!x->skip_recode) { fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); vpx_quantize_b_32x32(coeff, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); } if (enable_trellis_opt) { *a = *l = vp9_optimize_b(x, plane, block, tx_size, entropy_ctx) > 0; } if (!x->skip_encode && *eob) vp9_idct32x32_add(dqcoeff, dst, dst_stride, *eob); break; case TX_16X16: if (!x->skip_recode) { vp9_fht16x16(src_diff, coeff, diff_stride, tx_type); vpx_quantize_b(coeff, 256, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); } if (enable_trellis_opt) { *a = *l = vp9_optimize_b(x, plane, block, tx_size, entropy_ctx) > 0; } if (!x->skip_encode && *eob) vp9_iht16x16_add(tx_type, dqcoeff, dst, dst_stride, *eob); break; case TX_8X8: if (!x->skip_recode) { vp9_fht8x8(src_diff, coeff, diff_stride, tx_type); vpx_quantize_b(coeff, 64, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); } if (enable_trellis_opt) { *a = *l = vp9_optimize_b(x, plane, block, tx_size, entropy_ctx) > 0; } if (!x->skip_encode && *eob) vp9_iht8x8_add(tx_type, dqcoeff, dst, dst_stride, *eob); break; default: assert(tx_size == TX_4X4); if (!x->skip_recode) { if (tx_type != DCT_DCT) vp9_fht4x4(src_diff, coeff, diff_stride, tx_type); else x->fwd_txfm4x4(src_diff, coeff, diff_stride); vpx_quantize_b(coeff, 16, p, qcoeff, dqcoeff, pd->dequant, eob, scan_order); } if (enable_trellis_opt) { *a = *l = vp9_optimize_b(x, plane, block, tx_size, entropy_ctx) > 0; } if (!x->skip_encode && *eob) { if (tx_type == DCT_DCT) // this is like vp9_short_idct4x4 but has a special case around eob<=1 // which is significant (not just an optimization) for the lossless // case. x->inv_txfm_add(dqcoeff, dst, dst_stride, *eob); else vp9_iht4x4_16_add(dqcoeff, dst, dst_stride, tx_type); } break; } if (*eob) *(args->skip) = 0; } void vp9_encode_intra_block_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane, int enable_trellis_opt) { const MACROBLOCKD *const xd = &x->e_mbd; struct optimize_ctx ctx; #if CONFIG_MISMATCH_DEBUG // TODO(angiebird): make mismatch_debug support intra mode struct encode_b_args arg = { x, enable_trellis_opt, 0.0, // trellis_opt_thresh NULL, // &sse_calc_done NULL, // &sse ctx.ta[plane], ctx.tl[plane], &xd->mi[0]->skip, 0, // mi_row 0, // mi_col 0 // output_enabled }; #else struct encode_b_args arg = { x, enable_trellis_opt, 0.0, // trellis_opt_thresh NULL, // &sse_calc_done NULL, // &sse ctx.ta[plane], ctx.tl[plane], &xd->mi[0]->skip }; #endif if (enable_trellis_opt && x->optimize && (!x->skip_recode || !x->skip_optimize)) { const struct macroblockd_plane *const pd = &xd->plane[plane]; const TX_SIZE tx_size = plane ? get_uv_tx_size(xd->mi[0], pd) : xd->mi[0]->tx_size; vp9_get_entropy_contexts(bsize, tx_size, pd, ctx.ta[plane], ctx.tl[plane]); } else { arg.enable_trellis_opt = 0; } vp9_foreach_transformed_block_in_plane(xd, bsize, plane, vp9_encode_block_intra, &arg); }