| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include "./av1_rtcd.h" |
| #include "./aom_config.h" |
| #include "./aom_dsp_rtcd.h" |
| |
| #include "aom_dsp/quantize.h" |
| #include "aom_mem/aom_mem.h" |
| #include "aom_ports/mem.h" |
| |
| #include "av1/common/idct.h" |
| #include "av1/common/reconinter.h" |
| #include "av1/common/reconintra.h" |
| #include "av1/common/scan.h" |
| |
| #include "av1/encoder/encodemb.h" |
| #include "av1/encoder/hybrid_fwd_txfm.h" |
| #include "av1/encoder/rd.h" |
| #include "av1/encoder/tokenize.h" |
| |
| #if CONFIG_PVQ |
| #include "av1/encoder/encint.h" |
| #include "av1/common/partition.h" |
| #include "av1/encoder/pvq_encoder.h" |
| #endif |
| |
| struct optimize_ctx { |
| ENTROPY_CONTEXT ta[MAX_MB_PLANE][16]; |
| ENTROPY_CONTEXT tl[MAX_MB_PLANE][16]; |
| }; |
| |
| void av1_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_AOM_HIGHBITDEPTH |
| if (x->e_mbd.cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| aom_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_AOM_HIGHBITDEPTH |
| aom_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride, |
| pd->dst.buf, pd->dst.stride); |
| } |
| |
| #define RDTRUNC(RM, DM, R, D) \ |
| (((1 << (AV1_PROB_COST_SHIFT - 1)) + (R) * (RM)) & \ |
| ((1 << AV1_PROB_COST_SHIFT) - 1)) |
| |
| typedef struct av1_token_state { |
| int rate; |
| int error; |
| int next; |
| int16_t token; |
| short qc; |
| } av1_token_state; |
| |
| #if !CONFIG_PVQ |
| // TODO(jimbankoski): experiment to find optimal RD numbers. |
| static const int plane_rd_mult[PLANE_TYPES] = { 4, 2 }; |
| |
| #define UPDATE_RD_COST() \ |
| { \ |
| rd_cost0 = RDCOST(rdmult, rddiv, rate0, error0); \ |
| rd_cost1 = RDCOST(rdmult, rddiv, rate1, error1); \ |
| if (rd_cost0 == rd_cost1) { \ |
| rd_cost0 = RDTRUNC(rdmult, rddiv, rate0, error0); \ |
| rd_cost1 = RDTRUNC(rdmult, rddiv, rate1, error1); \ |
| } \ |
| } |
| |
| // This function is a place holder for now but may ultimately need |
| // to scan previous tokens to work out the correct context. |
| static int trellis_get_coeff_context(const int16_t *scan, const int16_t *nb, |
| int idx, int token, uint8_t *token_cache) { |
| int bak = token_cache[scan[idx]], pt; |
| token_cache[scan[idx]] = av1_pt_energy_class[token]; |
| pt = get_coef_context(nb, token_cache, idx + 1); |
| token_cache[scan[idx]] = bak; |
| return pt; |
| } |
| |
| static int optimize_b(const AV1_COMMON *const cm, 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]->mbmi); |
| av1_token_state tokens[1025][2]; |
| unsigned best_index[1025][2]; |
| uint8_t token_cache[1024]; |
| const tran_low_t *const coeff = BLOCK_OFFSET(mb->plane[plane].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 type = pd->plane_type; |
| const int default_eob = 1 << (tx_size_1d_log2[tx_size] * 2); |
| const int mul = 1 + (tx_size == TX_32X32); |
| #if CONFIG_AOM_QM |
| int seg_id = xd->mi[0]->mbmi.segment_id; |
| int is_intra = !is_inter_block(&xd->mi[0]->mbmi); |
| const qm_val_t *iqmatrix = pd->seg_iqmatrix[seg_id][is_intra][tx_size]; |
| #endif |
| const int16_t *dequant_ptr = pd->dequant; |
| const uint8_t *const band_translate = get_band_translate(tx_size); |
| TX_TYPE tx_type = get_tx_type(type, xd, block); |
| const SCAN_ORDER *const scan_order = get_scan(cm, tx_size, tx_type); |
| const int16_t *const scan = scan_order->scan; |
| const int16_t *const nb = scan_order->neighbors; |
| int next = eob, sz = 0; |
| int64_t rdmult = mb->rdmult * plane_rd_mult[type], rddiv = mb->rddiv; |
| int64_t rd_cost0, rd_cost1; |
| int rate0, rate1, error0, error1; |
| int16_t t0, t1; |
| EXTRABIT e0; |
| int best, band, pt, i, final_eob; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| const int *cat6_high_cost = av1_get_high_cost_table(xd->bd); |
| #else |
| const int *cat6_high_cost = av1_get_high_cost_table(8); |
| #endif |
| |
| assert((!type && !plane) || (type && plane)); |
| assert(eob <= default_eob); |
| |
| /* Now set up a Viterbi trellis to evaluate alternative roundings. */ |
| if (!ref) rdmult = (rdmult * 9) >> 4; |
| |
| /* Initialize the sentinel node of the trellis. */ |
| tokens[eob][0].rate = 0; |
| tokens[eob][0].error = 0; |
| tokens[eob][0].next = default_eob; |
| tokens[eob][0].token = EOB_TOKEN; |
| tokens[eob][0].qc = 0; |
| tokens[eob][1] = tokens[eob][0]; |
| |
| for (i = 0; i < eob; i++) |
| token_cache[scan[i]] = av1_pt_energy_class[av1_get_token(qcoeff[scan[i]])]; |
| |
| for (i = eob; i-- > 0;) { |
| int base_bits, d2, dx; |
| |
| const int rc = scan[i]; |
| #if CONFIG_AOM_QM |
| int iwt = iqmatrix[rc]; |
| #endif |
| int x = qcoeff[rc]; |
| /* Only add a trellis state for non-zero coefficients. */ |
| if (x) { |
| int shortcut = 0; |
| error0 = tokens[next][0].error; |
| error1 = tokens[next][1].error; |
| /* Evaluate the first possibility for this state. */ |
| rate0 = tokens[next][0].rate; |
| rate1 = tokens[next][1].rate; |
| av1_get_token_extra(x, &t0, &e0); |
| /* Consider both possible successor states. */ |
| if (next < default_eob) { |
| band = band_translate[i + 1]; |
| pt = trellis_get_coeff_context(scan, nb, i, t0, token_cache); |
| rate0 += mb->token_costs[tx_size][type][ref][band][0][pt] |
| [tokens[next][0].token]; |
| rate1 += mb->token_costs[tx_size][type][ref][band][0][pt] |
| [tokens[next][1].token]; |
| } |
| UPDATE_RD_COST(); |
| /* And pick the best. */ |
| best = rd_cost1 < rd_cost0; |
| base_bits = av1_get_cost(t0, e0, cat6_high_cost); |
| dx = mul * (dqcoeff[rc] - coeff[rc]); |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| dx >>= xd->bd - 8; |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| d2 = dx * dx; |
| tokens[i][0].rate = base_bits + (best ? rate1 : rate0); |
| tokens[i][0].error = d2 + (best ? error1 : error0); |
| tokens[i][0].next = next; |
| tokens[i][0].token = t0; |
| tokens[i][0].qc = x; |
| best_index[i][0] = best; |
| |
| /* Evaluate the second possibility for this state. */ |
| rate0 = tokens[next][0].rate; |
| rate1 = tokens[next][1].rate; |
| |
| #if CONFIG_AOM_QM |
| if ((abs(x) * dequant_ptr[rc != 0] * iwt > |
| ((abs(coeff[rc]) * mul) << AOM_QM_BITS)) && |
| (abs(x) * dequant_ptr[rc != 0] * iwt < |
| ((abs(coeff[rc]) * mul + dequant_ptr[rc != 0]) << AOM_QM_BITS))) |
| #else |
| if ((abs(x) * dequant_ptr[rc != 0] > abs(coeff[rc]) * mul) && |
| (abs(x) * dequant_ptr[rc != 0] < |
| abs(coeff[rc]) * mul + dequant_ptr[rc != 0])) |
| #endif |
| shortcut = 1; |
| else |
| shortcut = 0; |
| |
| if (shortcut) { |
| sz = -(x < 0); |
| x -= 2 * sz + 1; |
| } |
| |
| /* Consider both possible successor states. */ |
| if (!x) { |
| /* If we reduced this coefficient to zero, check to see if |
| * we need to move the EOB back here. |
| */ |
| t0 = tokens[next][0].token == EOB_TOKEN ? EOB_TOKEN : ZERO_TOKEN; |
| t1 = tokens[next][1].token == EOB_TOKEN ? EOB_TOKEN : ZERO_TOKEN; |
| e0 = 0; |
| } else { |
| av1_get_token_extra(x, &t0, &e0); |
| t1 = t0; |
| } |
| if (next < default_eob) { |
| band = band_translate[i + 1]; |
| if (t0 != EOB_TOKEN) { |
| pt = trellis_get_coeff_context(scan, nb, i, t0, token_cache); |
| rate0 += mb->token_costs[tx_size][type][ref][band][!x][pt] |
| [tokens[next][0].token]; |
| } |
| if (t1 != EOB_TOKEN) { |
| pt = trellis_get_coeff_context(scan, nb, i, t1, token_cache); |
| rate1 += mb->token_costs[tx_size][type][ref][band][!x][pt] |
| [tokens[next][1].token]; |
| } |
| } |
| |
| UPDATE_RD_COST(); |
| /* And pick the best. */ |
| best = rd_cost1 < rd_cost0; |
| base_bits = av1_get_cost(t0, e0, cat6_high_cost); |
| |
| if (shortcut) { |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| dx -= ((dequant_ptr[rc != 0] >> (xd->bd - 8)) + sz) ^ sz; |
| } else { |
| dx -= (dequant_ptr[rc != 0] + sz) ^ sz; |
| } |
| #else |
| dx -= (dequant_ptr[rc != 0] + sz) ^ sz; |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| d2 = dx * dx; |
| } |
| |
| tokens[i][1].rate = base_bits + (best ? rate1 : rate0); |
| tokens[i][1].error = d2 + (best ? error1 : error0); |
| tokens[i][1].next = next; |
| tokens[i][1].token = best ? t1 : t0; |
| tokens[i][1].qc = x; |
| best_index[i][1] = best; |
| /* Finally, make this the new head of the trellis. */ |
| next = i; |
| } else { |
| /* There's no choice to make for a zero coefficient, so we don't |
| * add a new trellis node, but we do need to update the costs. |
| */ |
| band = band_translate[i + 1]; |
| t0 = tokens[next][0].token; |
| t1 = tokens[next][1].token; |
| /* Update the cost of each path if we're past the EOB token. */ |
| if (t0 != EOB_TOKEN) { |
| tokens[next][0].rate += |
| mb->token_costs[tx_size][type][ref][band][1][0][t0]; |
| tokens[next][0].token = ZERO_TOKEN; |
| } |
| if (t1 != EOB_TOKEN) { |
| tokens[next][1].rate += |
| mb->token_costs[tx_size][type][ref][band][1][0][t1]; |
| tokens[next][1].token = ZERO_TOKEN; |
| } |
| best_index[i][0] = best_index[i][1] = 0; |
| /* Don't update next, because we didn't add a new node. */ |
| } |
| } |
| |
| /* Now pick the best path through the whole trellis. */ |
| band = band_translate[i + 1]; |
| rate0 = tokens[next][0].rate; |
| rate1 = tokens[next][1].rate; |
| error0 = tokens[next][0].error; |
| error1 = tokens[next][1].error; |
| t0 = tokens[next][0].token; |
| t1 = tokens[next][1].token; |
| rate0 += mb->token_costs[tx_size][type][ref][band][0][ctx][t0]; |
| rate1 += mb->token_costs[tx_size][type][ref][band][0][ctx][t1]; |
| UPDATE_RD_COST(); |
| best = rd_cost1 < rd_cost0; |
| final_eob = -1; |
| memset(qcoeff, 0, sizeof(*qcoeff) * default_eob); |
| memset(dqcoeff, 0, sizeof(*dqcoeff) * default_eob); |
| for (i = next; i < eob; i = next) { |
| const int x = tokens[i][best].qc; |
| const int rc = scan[i]; |
| #if CONFIG_AOM_QM |
| const int iwt = iqmatrix[rc]; |
| const int dequant = |
| (dequant_ptr[rc != 0] * iwt + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS; |
| #endif |
| if (x) { |
| final_eob = i; |
| } |
| |
| qcoeff[rc] = x; |
| #if CONFIG_AOM_QM |
| dqcoeff[rc] = (x * dequant) / mul; |
| #else |
| dqcoeff[rc] = (x * dequant_ptr[rc != 0]) / mul; |
| #endif |
| |
| next = tokens[i][best].next; |
| best = best_index[i][best]; |
| } |
| final_eob++; |
| |
| mb->plane[plane].eobs[block] = final_eob; |
| return final_eob; |
| } |
| #endif |
| |
| // TODO(sarahparker) refactor fwd quant functions to use fwd_txfm fns in |
| // hybrid_fwd_txfm.c |
| void av1_xform_quant_fp(const AV1_COMMON *const cm, MACROBLOCK *x, int plane, |
| int block, int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, TX_SIZE tx_size) { |
| MACROBLOCKD *const xd = &x->e_mbd; |
| #if !CONFIG_PVQ |
| const struct macroblock_plane *const p = &x->plane[plane]; |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| #else |
| struct macroblock_plane *const p = &x->plane[plane]; |
| struct macroblockd_plane *const pd = &xd->plane[plane]; |
| #endif |
| PLANE_TYPE plane_type = (plane == 0) ? PLANE_TYPE_Y : PLANE_TYPE_UV; |
| TX_TYPE tx_type = get_tx_type(plane_type, xd, block); |
| const SCAN_ORDER *const scan_order = get_scan(cm, tx_size, tx_type); |
| 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]; |
| int seg_id = xd->mi[0]->mbmi.segment_id; |
| #if CONFIG_AOM_QM |
| int is_intra = !is_inter_block(&xd->mi[0]->mbmi); |
| const qm_val_t *qmatrix = pd->seg_qmatrix[seg_id][is_intra][tx_size]; |
| const qm_val_t *iqmatrix = pd->seg_iqmatrix[seg_id][is_intra][tx_size]; |
| #endif |
| #if !CONFIG_PVQ |
| const int16_t *src_diff; |
| (void)cm; |
| |
| /* |
| FWD_TXFM_PARAM fwd_txfm_param; |
| fwd_txfm_param.tx_type = tx_type; |
| fwd_txfm_param.tx_size = tx_size; |
| fwd_txfm_param.fwd_txfm_opt = FWD_TXFM_OPT_NORMAL; |
| fwd_txfm_param.rd_transform = x->use_lp32x32fdct; |
| fwd_txfm_param.lossless = xd->lossless[xd->mi[0]->mbmi.segment_id]; |
| */ |
| |
| src_diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)]; |
| #else |
| MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; |
| tran_low_t *ref_coeff = BLOCK_OFFSET(pd->pvq_ref_coeff, block); |
| uint8_t *src, *dst; |
| int16_t *src_int16, *pred; |
| const int src_stride = p->src.stride; |
| const int dst_stride = pd->dst.stride; |
| int tx_blk_size; |
| int i, j; |
| int skip = 1; |
| PVQ_INFO *pvq_info = NULL; |
| |
| (void)scan_order; |
| (void)qcoeff; |
| |
| if (x->pvq_coded) { |
| assert(block < MAX_PVQ_BLOCKS_IN_SB); |
| pvq_info = &x->pvq[block][plane]; |
| } |
| dst = &pd->dst.buf[4 * (blk_row * dst_stride + blk_col)]; |
| src = &p->src.buf[4 * (blk_row * src_stride + blk_col)]; |
| src_int16 = &p->src_int16[4 * (blk_row * diff_stride + blk_col)]; |
| pred = &pd->pred[4 * (blk_row * diff_stride + blk_col)]; |
| // transform block size in pixels |
| tx_blk_size = tx_size_1d[tx_size]; |
| |
| // copy uint8 orig and predicted block to int16 buffer |
| // in order to use existing VP10 transform functions |
| for (j = 0; j < tx_blk_size; j++) |
| for (i = 0; i < tx_blk_size; i++) { |
| src_int16[diff_stride * j + i] = src[src_stride * j + i]; |
| pred[diff_stride * j + i] = dst[dst_stride * j + i]; |
| } |
| #endif |
| |
| #if CONFIG_AOM_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); |
| av1_highbd_quantize_fp_32x32( |
| coeff, 1024, x->skip_block, p->zbin, p->round_fp, p->quant_fp, |
| p->quant_shift, qcoeff, dqcoeff, pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_16X16: |
| aom_highbd_fdct16x16(src_diff, coeff, diff_stride); |
| av1_highbd_quantize_fp(coeff, 256, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_8X8: |
| aom_highbd_fdct8x8(src_diff, coeff, diff_stride); |
| av1_highbd_quantize_fp(coeff, 64, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_4X4: |
| if (xd->lossless[seg_id]) { |
| av1_highbd_fwht4x4(src_diff, coeff, diff_stride); |
| } else { |
| aom_highbd_fdct4x4(src_diff, coeff, diff_stride); |
| } |
| av1_highbd_quantize_fp(coeff, 16, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| default: assert(0); |
| } |
| return; |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| #if !CONFIG_PVQ |
| switch (tx_size) { |
| case TX_32X32: |
| fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride); |
| av1_quantize_fp_32x32(coeff, 1024, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_16X16: |
| aom_fdct16x16(src_diff, coeff, diff_stride); |
| av1_quantize_fp(coeff, 256, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, pd->dequant, |
| eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_8X8: |
| av1_fdct8x8_quant(src_diff, diff_stride, coeff, 64, x->skip_block, |
| p->zbin, p->round_fp, p->quant_fp, p->quant_shift, |
| qcoeff, dqcoeff, pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_4X4: |
| if (xd->lossless[seg_id]) { |
| av1_fwht4x4(src_diff, coeff, diff_stride); |
| } else { |
| aom_fdct4x4(src_diff, coeff, diff_stride); |
| } |
| av1_quantize_fp(coeff, 16, x->skip_block, p->zbin, p->round_fp, |
| p->quant_fp, p->quant_shift, qcoeff, dqcoeff, pd->dequant, |
| eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| default: assert(0); break; |
| } |
| #else // #if !CONFIG_PVQ |
| switch (tx_size) { |
| case TX_32X32: |
| // NOTE: Using x->use_lp32x32fdct == 1 will makes enc and dec mismatched, |
| // because decoder always uses x->use_lp32x32fdct == 0, |
| // forward transform of predicted image. |
| fdct32x32(0, pred, ref_coeff, diff_stride); |
| // forward transform of original image. |
| fdct32x32(0, src_int16, coeff, diff_stride); |
| break; |
| case TX_16X16: |
| aom_fdct16x16(pred, ref_coeff, diff_stride); |
| aom_fdct16x16(src_int16, coeff, diff_stride); |
| break; |
| case TX_8X8: |
| aom_fdct8x8(pred, ref_coeff, diff_stride); |
| aom_fdct8x8(src_int16, coeff, diff_stride); |
| break; |
| case TX_4X4: |
| if (xd->lossless[seg_id]) { |
| av1_fwht4x4(pred, ref_coeff, diff_stride); |
| av1_fwht4x4(src_int16, coeff, diff_stride); |
| } else { |
| aom_fdct4x4(pred, ref_coeff, diff_stride); |
| aom_fdct4x4(src_int16, coeff, diff_stride); |
| } |
| break; |
| default: assert(0); break; |
| } |
| |
| // PVQ for inter mode block |
| if (!x->skip_block) |
| skip = av1_pvq_encode_helper(&x->daala_enc, |
| coeff, // target original vector |
| ref_coeff, // reference vector |
| dqcoeff, // de-quantized vector |
| eob, // End of Block marker |
| pd->dequant, // aom's quantizers |
| plane, // image plane |
| tx_size, // block size in log_2 - 2 |
| tx_type, |
| &x->rate, // rate measured |
| x->pvq_speed, |
| pvq_info); // PVQ info for a block |
| |
| x->pvq_skip[plane] = skip; |
| |
| if (!skip) mbmi->skip = 0; |
| #endif // #if !CONFIG_PVQ |
| } |
| |
| void av1_xform_quant(const AV1_COMMON *const cm, MACROBLOCK *x, int plane, |
| int block, int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, TX_SIZE tx_size) { |
| MACROBLOCKD *const xd = &x->e_mbd; |
| #if !CONFIG_PVQ |
| const struct macroblock_plane *const p = &x->plane[plane]; |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| #else |
| struct macroblock_plane *const p = &x->plane[plane]; |
| struct macroblockd_plane *const pd = &xd->plane[plane]; |
| #endif |
| PLANE_TYPE plane_type = (plane == 0) ? PLANE_TYPE_Y : PLANE_TYPE_UV; |
| TX_TYPE tx_type = get_tx_type(plane_type, xd, block); |
| const SCAN_ORDER *const scan_order = get_scan(cm, tx_size, tx_type); |
| 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]; |
| int seg_id = xd->mi[0]->mbmi.segment_id; |
| FWD_TXFM_PARAM fwd_txfm_param; |
| |
| #if CONFIG_AOM_QM |
| int is_intra = !is_inter_block(&xd->mi[0]->mbmi); |
| const qm_val_t *qmatrix = pd->seg_qmatrix[seg_id][is_intra][tx_size]; |
| const qm_val_t *iqmatrix = pd->seg_iqmatrix[seg_id][is_intra][tx_size]; |
| #endif |
| |
| #if !CONFIG_PVQ |
| const int16_t *src_diff; |
| |
| src_diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)]; |
| #else |
| MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; |
| tran_low_t *ref_coeff = BLOCK_OFFSET(pd->pvq_ref_coeff, block); |
| uint8_t *src, *dst; |
| int16_t *src_int16, *pred; |
| const int src_stride = p->src.stride; |
| const int dst_stride = pd->dst.stride; |
| int tx_blk_size; |
| int i, j; |
| int skip = 1; |
| PVQ_INFO *pvq_info = NULL; |
| |
| (void)scan_order; |
| (void)qcoeff; |
| |
| if (x->pvq_coded) { |
| assert(block < MAX_PVQ_BLOCKS_IN_SB); |
| pvq_info = &x->pvq[block][plane]; |
| } |
| dst = &pd->dst.buf[4 * (blk_row * dst_stride + blk_col)]; |
| src = &p->src.buf[4 * (blk_row * src_stride + blk_col)]; |
| src_int16 = &p->src_int16[4 * (blk_row * diff_stride + blk_col)]; |
| pred = &pd->pred[4 * (blk_row * diff_stride + blk_col)]; |
| |
| // transform block size in pixels |
| tx_blk_size = tx_size_1d[tx_size]; |
| |
| // copy uint8 orig and predicted block to int16 buffer |
| // in order to use existing VP10 transform functions |
| for (j = 0; j < tx_blk_size; j++) |
| for (i = 0; i < tx_blk_size; i++) { |
| src_int16[diff_stride * j + i] = src[src_stride * j + i]; |
| pred[diff_stride * j + i] = dst[dst_stride * j + i]; |
| } |
| #endif |
| |
| fwd_txfm_param.tx_type = tx_type; |
| fwd_txfm_param.tx_size = tx_size; |
| fwd_txfm_param.fwd_txfm_opt = FWD_TXFM_OPT_NORMAL; |
| fwd_txfm_param.rd_transform = x->use_lp32x32fdct; |
| fwd_txfm_param.lossless = xd->lossless[seg_id]; |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| highbd_fwd_txfm(src_diff, coeff, diff_stride, &fwd_txfm_param); |
| switch (tx_size) { |
| case TX_32X32: |
| aom_highbd_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, |
| p->round, p->quant, p->quant_shift, qcoeff, |
| dqcoeff, pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_16X16: |
| aom_highbd_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_8X8: |
| aom_highbd_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_4X4: |
| aom_highbd_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| default: assert(0); |
| } |
| return; |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| #if !CONFIG_PVQ |
| fwd_txfm(src_diff, coeff, diff_stride, &fwd_txfm_param); |
| switch (tx_size) { |
| case TX_32X32: |
| aom_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_16X16: |
| aom_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round, p->quant, |
| p->quant_shift, qcoeff, dqcoeff, pd->dequant, eob, |
| scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_8X8: |
| aom_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round, p->quant, |
| p->quant_shift, qcoeff, dqcoeff, pd->dequant, eob, |
| scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| case TX_4X4: |
| aom_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round, p->quant, |
| p->quant_shift, qcoeff, dqcoeff, pd->dequant, eob, |
| scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| break; |
| default: assert(0); break; |
| } |
| #else // #if !CONFIG_PVQ |
| fwd_txfm_param.rd_transform = 0; |
| |
| fwd_txfm(src_int16, coeff, diff_stride, &fwd_txfm_param); |
| fwd_txfm(pred, ref_coeff, diff_stride, &fwd_txfm_param); |
| |
| // PVQ for inter mode block |
| if (!x->skip_block) |
| skip = av1_pvq_encode_helper(&x->daala_enc, |
| coeff, // target original vector |
| ref_coeff, // reference vector |
| dqcoeff, // de-quantized vector |
| eob, // End of Block marker |
| pd->dequant, // aom's quantizers |
| plane, // image plane |
| tx_size, // block size in log_2 - 2 |
| tx_type, |
| &x->rate, // rate measured |
| x->pvq_speed, |
| pvq_info); // PVQ info for a block |
| |
| x->pvq_skip[plane] = skip; |
| |
| if (!skip) mbmi->skip = 0; |
| #endif // #if !CONFIG_PVQ |
| } |
| |
| static void encode_block(int plane, int block, int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, TX_SIZE tx_size, void *arg) { |
| struct encode_b_args *const args = arg; |
| const AV1_COMMON *const cm = args->cm; |
| MACROBLOCK *const x = args->x; |
| MACROBLOCKD *const xd = &x->e_mbd; |
| struct optimize_ctx *const ctx = args->ctx; |
| 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; |
| TX_TYPE tx_type = get_tx_type(pd->plane_type, xd, block); |
| #if CONFIG_PVQ |
| int tx_blk_size; |
| int i, j; |
| #endif |
| dst = &pd->dst.buf[4 * blk_row * pd->dst.stride + 4 * blk_col]; |
| a = &ctx->ta[plane][blk_col]; |
| l = &ctx->tl[plane][blk_row]; |
| |
| if (x->quant_fp) { |
| av1_xform_quant_fp(cm, x, plane, block, blk_row, blk_col, plane_bsize, |
| tx_size); |
| } else { |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, |
| tx_size); |
| } |
| |
| #if !CONFIG_PVQ |
| if (x->optimize) { |
| const int combined_ctx = combine_entropy_contexts(*a, *l); |
| *a = *l = optimize_b(cm, x, plane, block, tx_size, combined_ctx) > 0; |
| } else { |
| *a = *l = p->eobs[block] > 0; |
| } |
| |
| if (p->eobs[block]) *(args->skip) = 0; |
| |
| if (p->eobs[block] == 0) return; |
| #else |
| *a = *l = !x->pvq_skip[plane]; |
| |
| if (!x->pvq_skip[plane]) *(args->skip) = 0; |
| |
| if (x->pvq_skip[plane]) return; |
| |
| // transform block size in pixels |
| tx_blk_size = tx_size_1d[tx_size]; |
| |
| // Since av1 does not have separate function which does inverse transform |
| // but av1_inv_txfm_add_*x*() also does addition of predicted image to |
| // inverse transformed image, |
| // pass blank dummy image to av1_inv_txfm_add_*x*(), i.e. set dst as zeros |
| for (j = 0; j < tx_blk_size; j++) |
| for (i = 0; i < tx_blk_size; i++) dst[j * pd->dst.stride + i] = 0; |
| #endif |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| switch (tx_size) { |
| case TX_32X32: |
| av1_highbd_inv_txfm_add_32x32(dqcoeff, dst, pd->dst.stride, |
| p->eobs[block], xd->bd, tx_type); |
| break; |
| case TX_16X16: |
| av1_highbd_inv_txfm_add_16x16(dqcoeff, dst, pd->dst.stride, |
| p->eobs[block], xd->bd, tx_type); |
| break; |
| case TX_8X8: |
| av1_highbd_inv_txfm_add_8x8(dqcoeff, dst, pd->dst.stride, |
| p->eobs[block], xd->bd, tx_type); |
| break; |
| case TX_4X4: |
| // this is like av1_short_idct4x4 but has a special case around eob<=1 |
| // which is significant (not just an optimization) for the lossless |
| // case. |
| av1_highbd_inv_txfm_add_4x4(dqcoeff, dst, pd->dst.stride, |
| p->eobs[block], xd->bd, tx_type, |
| xd->lossless[xd->mi[0]->mbmi.segment_id]); |
| break; |
| default: assert(0 && "Invalid transform size"); break; |
| } |
| |
| return; |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| switch (tx_size) { |
| case TX_32X32: |
| av1_inv_txfm_add_32x32(dqcoeff, dst, pd->dst.stride, p->eobs[block], |
| tx_type); |
| break; |
| case TX_16X16: |
| av1_inv_txfm_add_16x16(dqcoeff, dst, pd->dst.stride, p->eobs[block], |
| tx_type); |
| break; |
| case TX_8X8: |
| av1_inv_txfm_add_8x8(dqcoeff, dst, pd->dst.stride, p->eobs[block], |
| tx_type); |
| break; |
| case TX_4X4: |
| // this is like av1_short_idct4x4 but has a special case around eob<=1 |
| // which is significant (not just an optimization) for the lossless |
| // case. |
| av1_inv_txfm_add_4x4(dqcoeff, dst, pd->dst.stride, p->eobs[block], |
| tx_type, xd->lossless[xd->mi[0]->mbmi.segment_id]); |
| break; |
| default: assert(0 && "Invalid transform size"); break; |
| } |
| } |
| |
| typedef struct encode_block_pass1_args { |
| AV1_COMMON *cm; |
| MACROBLOCK *x; |
| } encode_block_pass1_args; |
| |
| static void encode_block_pass1(int plane, int block, int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, TX_SIZE tx_size, |
| void *arg) { |
| encode_block_pass1_args *args = (encode_block_pass1_args *)arg; |
| AV1_COMMON *cm = args->cm; |
| 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; |
| dst = &pd->dst.buf[4 * blk_row * pd->dst.stride + 4 * blk_col]; |
| |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size); |
| |
| #if !CONFIG_PVQ |
| if (p->eobs[block] > 0) { |
| #else |
| if (!x->pvq_skip[plane]) { |
| #endif |
| |
| #if CONFIG_PVQ |
| { |
| int tx_blk_size; |
| int i, j; |
| // transform block size in pixels |
| tx_blk_size = tx_size_1d[tx_size]; |
| |
| // Since av1 does not have separate function which does inverse transform |
| // but av1_inv_txfm_add_*x*() also does addition of predicted image to |
| // inverse transformed image, |
| // pass blank dummy image to av1_inv_txfm_add_*x*(), i.e. set dst as zeros |
| for (j = 0; j < tx_blk_size; j++) |
| for (i = 0; i < tx_blk_size; i++) dst[j * pd->dst.stride + i] = 0; |
| } |
| #endif |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| if (xd->lossless[0]) { |
| av1_highbd_iwht4x4_add(dqcoeff, dst, pd->dst.stride, p->eobs[block], |
| xd->bd); |
| } else { |
| av1_highbd_idct4x4_add(dqcoeff, dst, pd->dst.stride, p->eobs[block], |
| xd->bd); |
| } |
| return; |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| if (xd->lossless[0]) { |
| av1_iwht4x4_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); |
| } else { |
| av1_idct4x4_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]); |
| } |
| } |
| } |
| |
| void av1_encode_sby_pass1(AV1_COMMON *cm, MACROBLOCK *x, BLOCK_SIZE bsize) { |
| encode_block_pass1_args args = { cm, x }; |
| av1_subtract_plane(x, bsize, 0); |
| av1_foreach_transformed_block_in_plane(&x->e_mbd, bsize, 0, |
| encode_block_pass1, &args); |
| } |
| |
| void av1_encode_sb(AV1_COMMON *cm, MACROBLOCK *x, BLOCK_SIZE bsize) { |
| MACROBLOCKD *const xd = &x->e_mbd; |
| struct optimize_ctx ctx; |
| MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; |
| struct encode_b_args arg = { cm, x, &ctx, &mbmi->skip }; |
| int plane; |
| |
| mbmi->skip = 1; |
| |
| if (x->skip) return; |
| |
| for (plane = 0; plane < MAX_MB_PLANE; ++plane) { |
| #if !CONFIG_PVQ |
| av1_subtract_plane(x, bsize, plane); |
| #endif |
| if (x->optimize) { |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const TX_SIZE tx_size = plane ? get_uv_tx_size(mbmi, pd) : mbmi->tx_size; |
| av1_get_entropy_contexts(bsize, tx_size, pd, ctx.ta[plane], |
| ctx.tl[plane]); |
| } |
| |
| av1_foreach_transformed_block_in_plane(xd, bsize, plane, encode_block, |
| &arg); |
| } |
| } |
| |
| void av1_encode_block_intra(int plane, int block, int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, TX_SIZE tx_size, |
| void *arg) { |
| struct encode_b_args *const args = arg; |
| MACROBLOCK *const x = args->x; |
| AV1_COMMON *cm = args->cm; |
| MACROBLOCKD *const xd = &x->e_mbd; |
| MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; |
| 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); |
| PLANE_TYPE plane_type = (plane == 0) ? PLANE_TYPE_Y : PLANE_TYPE_UV; |
| TX_TYPE tx_type = get_tx_type(plane_type, xd, block); |
| const SCAN_ORDER *const scan_order = get_scan(cm, tx_size, tx_type); |
| PREDICTION_MODE mode; |
| const int bwl = b_width_log2_lookup[plane_bsize]; |
| const int bhl = b_height_log2_lookup[plane_bsize]; |
| const int diff_stride = 4 * (1 << bwl); |
| uint8_t *src, *dst; |
| uint16_t *eob = &p->eobs[block]; |
| int seg_id = xd->mi[0]->mbmi.segment_id; |
| #if CONFIG_AOM_QM |
| int is_intra = !is_inter_block(&xd->mi[0]->mbmi); |
| const qm_val_t *qmatrix = pd->seg_qmatrix[seg_id][is_intra][tx_size]; |
| const qm_val_t *iqmatrix = pd->seg_iqmatrix[seg_id][is_intra][tx_size]; |
| #endif |
| const int src_stride = p->src.stride; |
| const int dst_stride = pd->dst.stride; |
| FWD_TXFM_PARAM fwd_txfm_param; |
| int16_t *src_diff; |
| int tx1d_size = tx_size_1d[tx_size]; |
| |
| #if CONFIG_PVQ |
| tran_low_t *ref_coeff = BLOCK_OFFSET(pd->pvq_ref_coeff, block); |
| int16_t *src_int16; |
| int tx_blk_size; |
| int i, j; |
| int16_t *pred = &pd->pred[4 * (blk_row * diff_stride + blk_col)]; |
| int skip = 1; |
| PVQ_INFO *pvq_info = NULL; |
| |
| (void)scan_order; |
| (void)qcoeff; |
| |
| if (x->pvq_coded) { |
| assert(block < MAX_PVQ_BLOCKS_IN_SB); |
| pvq_info = &x->pvq[block][plane]; |
| } |
| src_int16 = &p->src_int16[4 * (blk_row * diff_stride + blk_col)]; |
| #endif |
| |
| src_diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)]; |
| |
| fwd_txfm_param.tx_type = tx_type; |
| fwd_txfm_param.tx_size = tx_size; |
| fwd_txfm_param.fwd_txfm_opt = FWD_TXFM_OPT_NORMAL; |
| fwd_txfm_param.rd_transform = x->use_lp32x32fdct; |
| fwd_txfm_param.lossless = xd->lossless[seg_id]; |
| |
| dst = &pd->dst.buf[4 * (blk_row * dst_stride + blk_col)]; |
| src = &p->src.buf[4 * (blk_row * src_stride + blk_col)]; |
| mode = plane == 0 ? get_y_mode(xd->mi[0], block) : mbmi->uv_mode; |
| av1_predict_intra_block(xd, bwl, bhl, tx_size, mode, dst, dst_stride, dst, |
| dst_stride, blk_col, blk_row, plane); |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| aom_highbd_subtract_block(tx1d_size, tx1d_size, src_diff, diff_stride, src, |
| src_stride, dst, dst_stride, xd->bd); |
| highbd_fwd_txfm(src_diff, coeff, diff_stride, &fwd_txfm_param); |
| |
| switch (tx_size) { |
| case TX_32X32: |
| aom_highbd_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, |
| p->round, p->quant, p->quant_shift, qcoeff, |
| dqcoeff, pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| if (*eob) |
| av1_highbd_inv_txfm_add_32x32(dqcoeff, dst, dst_stride, *eob, xd->bd, |
| tx_type); |
| break; |
| case TX_16X16: |
| aom_highbd_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| if (*eob) |
| av1_highbd_inv_txfm_add_16x16(dqcoeff, dst, dst_stride, *eob, xd->bd, |
| tx_type); |
| break; |
| case TX_8X8: |
| aom_highbd_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| if (*eob) |
| av1_highbd_inv_txfm_add_8x8(dqcoeff, dst, dst_stride, *eob, xd->bd, |
| tx_type); |
| break; |
| case TX_4X4: |
| aom_highbd_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| if (*eob) |
| // this is like av1_short_idct4x4 but has a special case around |
| // eob<=1 which is significant (not just an optimization) for the |
| // lossless case. |
| av1_highbd_inv_txfm_add_4x4(dqcoeff, dst, dst_stride, *eob, xd->bd, |
| tx_type, xd->lossless[seg_id]); |
| break; |
| default: assert(0); return; |
| } |
| if (*eob) *(args->skip) = 0; |
| return; |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| aom_subtract_block(tx1d_size, tx1d_size, src_diff, diff_stride, src, |
| src_stride, dst, dst_stride); |
| |
| #if !CONFIG_PVQ |
| fwd_txfm(src_diff, coeff, diff_stride, &fwd_txfm_param); |
| switch (tx_size) { |
| case TX_32X32: |
| aom_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, p->round, |
| p->quant, p->quant_shift, qcoeff, dqcoeff, |
| pd->dequant, eob, scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| if (*eob) av1_inv_txfm_add_32x32(dqcoeff, dst, dst_stride, *eob, tx_type); |
| break; |
| case TX_16X16: |
| aom_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round, p->quant, |
| p->quant_shift, qcoeff, dqcoeff, pd->dequant, eob, |
| scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| if (*eob) av1_inv_txfm_add_16x16(dqcoeff, dst, dst_stride, *eob, tx_type); |
| break; |
| case TX_8X8: |
| aom_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round, p->quant, |
| p->quant_shift, qcoeff, dqcoeff, pd->dequant, eob, |
| scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| if (*eob) av1_inv_txfm_add_8x8(dqcoeff, dst, dst_stride, *eob, tx_type); |
| break; |
| case TX_4X4: |
| aom_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round, p->quant, |
| p->quant_shift, qcoeff, dqcoeff, pd->dequant, eob, |
| scan_order->scan, |
| #if !CONFIG_AOM_QM |
| scan_order->iscan); |
| #else |
| scan_order->iscan, qmatrix, iqmatrix); |
| #endif |
| |
| if (*eob) { |
| // this is like av1_short_idct4x4 but has a special case around eob<=1 |
| // which is significant (not just an optimization) for the lossless |
| // case. |
| av1_inv_txfm_add_4x4(dqcoeff, dst, dst_stride, *eob, tx_type, |
| xd->lossless[seg_id]); |
| } |
| break; |
| default: assert(0); break; |
| } |
| #else // #if !CONFIG_PVQ |
| // transform block size in pixels |
| tx_blk_size = tx_size_1d[tx_size]; |
| |
| // copy uint8 orig and predicted block to int16 buffer |
| // in order to use existing VP10 transform functions |
| for (j = 0; j < tx_blk_size; j++) |
| for (i = 0; i < tx_blk_size; i++) { |
| src_int16[diff_stride * j + i] = src[src_stride * j + i]; |
| pred[diff_stride * j + i] = dst[dst_stride * j + i]; |
| } |
| |
| fwd_txfm_param.rd_transform = 0; |
| |
| fwd_txfm(src_int16, coeff, diff_stride, &fwd_txfm_param); |
| fwd_txfm(pred, ref_coeff, diff_stride, &fwd_txfm_param); |
| |
| // PVQ for intra mode block |
| if (!x->skip_block) |
| skip = av1_pvq_encode_helper(&x->daala_enc, |
| coeff, // target original vector |
| ref_coeff, // reference vector |
| dqcoeff, // de-quantized vector |
| eob, // End of Block marker |
| pd->dequant, // aom's quantizers |
| plane, // image plane |
| tx_size, // block size in log_2 - 2 |
| tx_type, |
| &x->rate, // rate measured |
| x->pvq_speed, |
| pvq_info); // PVQ info for a block |
| |
| x->pvq_skip[plane] = skip; |
| |
| if (!skip) mbmi->skip = 0; |
| |
| // Since av1 does not have separate function which does inverse transform |
| // but av1_inv_txfm_add_*x*() also does addition of predicted image to |
| // inverse transformed image, |
| // pass blank dummy image to av1_inv_txfm_add_*x*(), i.e. set dst as zeros |
| |
| if (!skip) { |
| for (j = 0; j < tx_blk_size; j++) |
| for (i = 0; i < tx_blk_size; i++) dst[j * dst_stride + i] = 0; |
| |
| switch (tx_size) { |
| case TX_32X32: |
| av1_inv_txfm_add_32x32(dqcoeff, dst, dst_stride, *eob, tx_type); |
| break; |
| case TX_16X16: |
| av1_inv_txfm_add_16x16(dqcoeff, dst, dst_stride, *eob, tx_type); |
| break; |
| case TX_8X8: |
| av1_inv_txfm_add_8x8(dqcoeff, dst, dst_stride, *eob, tx_type); |
| break; |
| case TX_4X4: |
| // this is like av1_short_idct4x4 but has a special case around eob<=1 |
| // which is significant (not just an optimization) for the lossless |
| // case. |
| av1_inv_txfm_add_4x4(dqcoeff, dst, dst_stride, *eob, tx_type, |
| xd->lossless[seg_id]); |
| break; |
| default: assert(0); break; |
| } |
| } |
| #endif // #if !CONFIG_PVQ |
| |
| #if !CONFIG_PVQ |
| if (*eob) *(args->skip) = 0; |
| #else |
| // Note : *(args->skip) == mbmi->skip |
| #endif |
| } |
| |
| void av1_encode_intra_block_plane(AV1_COMMON *cm, MACROBLOCK *x, |
| BLOCK_SIZE bsize, int plane) { |
| const MACROBLOCKD *const xd = &x->e_mbd; |
| struct encode_b_args arg = { cm, x, NULL, &xd->mi[0]->mbmi.skip }; |
| |
| av1_foreach_transformed_block_in_plane(xd, bsize, plane, |
| av1_encode_block_intra, &arg); |
| } |
| |
| #if CONFIG_PVQ |
| int av1_pvq_encode_helper(daala_enc_ctx *daala_enc, tran_low_t *const coeff, |
| tran_low_t *ref_coeff, tran_low_t *const dqcoeff, |
| uint16_t *eob, const int16_t *quant, int plane, |
| int tx_size, TX_TYPE tx_type, int *rate, int speed, |
| PVQ_INFO *pvq_info) { |
| const int tx_blk_size = tx_size_1d[tx_size]; |
| int skip; |
| // TODO(yushin): Enable this later, when pvq_qm_q4 is available in AOM. |
| // int pvq_dc_quant = OD_MAXI(1, |
| // quant * daala_enc->state.pvq_qm_q4[plane][od_qm_get_index(tx_size, 0)] >> |
| // 4); |
| int quant_shift = tx_size == TX_32X32 ? 1 : 0; |
| // DC quantizer for PVQ |
| int pvq_dc_quant = OD_MAXI(1, quant[0] >> quant_shift); |
| int tell; |
| int has_dc_skip = 1; |
| int i; |
| int off = od_qm_offset(tx_size, plane ? 1 : 0); |
| #if PVQ_CHROMA_RD |
| double save_pvq_lambda; |
| #endif |
| DECLARE_ALIGNED(16, int16_t, coeff_pvq[OD_TXSIZE_MAX * OD_TXSIZE_MAX]); |
| DECLARE_ALIGNED(16, int16_t, ref_coeff_pvq[OD_TXSIZE_MAX * OD_TXSIZE_MAX]); |
| DECLARE_ALIGNED(16, int16_t, dqcoeff_pvq[OD_TXSIZE_MAX * OD_TXSIZE_MAX]); |
| |
| DECLARE_ALIGNED(16, int32_t, in_int32[OD_TXSIZE_MAX * OD_TXSIZE_MAX]); |
| DECLARE_ALIGNED(16, int32_t, ref_int32[OD_TXSIZE_MAX * OD_TXSIZE_MAX]); |
| DECLARE_ALIGNED(16, int32_t, out_int32[OD_TXSIZE_MAX * OD_TXSIZE_MAX]); |
| |
| *eob = 0; |
| |
| tell = od_ec_enc_tell_frac(&daala_enc->ec); |
| |
| // Change coefficient ordering for pvq encoding. |
| od_raster_to_coding_order(coeff_pvq, tx_blk_size, tx_type, coeff, |
| tx_blk_size); |
| od_raster_to_coding_order(ref_coeff_pvq, tx_blk_size, tx_type, ref_coeff, |
| tx_blk_size); |
| |
| // copy int16 inputs to int32 |
| for (i = 0; i < tx_blk_size * tx_blk_size; i++) { |
| ref_int32[i] = ref_coeff_pvq[i]; |
| in_int32[i] = coeff_pvq[i]; |
| } |
| |
| #if PVQ_CHROMA_RD |
| if (plane != 0) { |
| save_pvq_lambda = daala_enc->pvq_norm_lambda; |
| daala_enc->pvq_norm_lambda *= 0.8; |
| } |
| #endif |
| if (abs(in_int32[0] - ref_int32[0]) < pvq_dc_quant * 141 / 256) { /* 0.55 */ |
| out_int32[0] = 0; |
| } else { |
| out_int32[0] = OD_DIV_R0(in_int32[0] - ref_int32[0], pvq_dc_quant); |
| } |
| |
| skip = od_pvq_encode( |
| daala_enc, ref_int32, in_int32, out_int32, |
| (int)quant[0] >> quant_shift, // scale/quantizer |
| (int)quant[1] >> quant_shift, // scale/quantizer |
| // TODO(yushin): Instead of 0, |
| // use daala_enc->use_activity_masking for activity masking. |
| plane, tx_size, OD_PVQ_BETA[0][plane][tx_size], |
| OD_ROBUST_STREAM, |
| 0, // is_keyframe, |
| 0, 0, 0, // q_scaling, bx, by, |
| daala_enc->state.qm + off, daala_enc->state.qm_inv + off, |
| speed, // speed |
| pvq_info); |
| |
| if (skip && pvq_info) assert(pvq_info->ac_dc_coded == 0); |
| |
| if (!skip && pvq_info) assert(pvq_info->ac_dc_coded > 0); |
| |
| // Encode residue of DC coeff, if required. |
| if (!has_dc_skip || out_int32[0]) { |
| generic_encode(&daala_enc->ec, &daala_enc->state.adapt.model_dc[plane], |
| abs(out_int32[0]) - has_dc_skip, -1, |
| &daala_enc->state.adapt.ex_dc[plane][tx_size][0], 2); |
| } |
| if (out_int32[0]) { |
| od_ec_enc_bits(&daala_enc->ec, out_int32[0] < 0, 1); |
| skip = 0; |
| } |
| |
| // need to save quantized residue of DC coeff |
| // so that final pvq bitstream writing can know whether DC is coded. |
| if (pvq_info) pvq_info->dq_dc_residue = out_int32[0]; |
| |
| out_int32[0] = out_int32[0] * pvq_dc_quant; |
| out_int32[0] += ref_int32[0]; |
| |
| // copy int32 result back to int16 |
| for (i = 0; i < tx_blk_size * tx_blk_size; i++) dqcoeff_pvq[i] = out_int32[i]; |
| |
| // Back to original coefficient order |
| od_coding_order_to_raster(dqcoeff, tx_blk_size, tx_type, dqcoeff_pvq, |
| tx_blk_size); |
| |
| *eob = tx_blk_size * tx_blk_size; |
| |
| *rate = (od_ec_enc_tell_frac(&daala_enc->ec) - tell) |
| << (AV1_PROB_COST_SHIFT - OD_BITRES); |
| assert(*rate >= 0); |
| #if PVQ_CHROMA_RD |
| if (plane != 0) daala_enc->pvq_norm_lambda = save_pvq_lambda; |
| #endif |
| return skip; |
| } |
| |
| void av1_store_pvq_enc_info(PVQ_INFO *pvq_info, int *qg, int *theta, |
| int *max_theta, int *k, od_coeff *y, int nb_bands, |
| const int *off, int *size, int skip_rest, |
| int skip_dir, |
| int bs) { // block size in log_2 -2 |
| int i; |
| const int tx_blk_size = tx_size_1d[bs]; |
| |
| for (i = 0; i < nb_bands; i++) { |
| pvq_info->qg[i] = qg[i]; |
| pvq_info->theta[i] = theta[i]; |
| pvq_info->max_theta[i] = max_theta[i]; |
| pvq_info->k[i] = k[i]; |
| pvq_info->off[i] = off[i]; |
| pvq_info->size[i] = size[i]; |
| } |
| |
| memcpy(pvq_info->y, y, tx_blk_size * tx_blk_size * sizeof(od_coeff)); |
| |
| pvq_info->nb_bands = nb_bands; |
| pvq_info->skip_rest = skip_rest; |
| pvq_info->skip_dir = skip_dir; |
| pvq_info->bs = bs; |
| } |
| #endif |
