| /* |
| * 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/bitwriter.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/av1_quantize.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 |
| |
| // Check if one needs to use c version subtraction. |
| static int check_subtract_block_size(int w, int h) { return w < 4 || h < 4; } |
| |
| 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 = block_size_wide[plane_bsize]; |
| const int bh = block_size_high[plane_bsize]; |
| |
| if (check_subtract_block_size(bw, bh)) { |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (x->e_mbd.cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| aom_highbd_subtract_block_c(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_c(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride, |
| pd->dst.buf, pd->dst.stride); |
| |
| return; |
| } |
| |
| #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); |
| } |
| |
| typedef struct av1_token_state { |
| int64_t error; |
| int rate; |
| int16_t next; |
| int16_t token; |
| tran_low_t qc; |
| tran_low_t dqc; |
| uint8_t best_index; |
| } av1_token_state; |
| |
| // These numbers are empirically obtained. |
| static const int plane_rd_mult[REF_TYPES][PLANE_TYPES] = { |
| #if CONFIG_EC_ADAPT |
| { 10, 7 }, { 8, 5 }, |
| #else |
| { 10, 6 }, { 8, 5 }, |
| #endif |
| }; |
| |
| #define UPDATE_RD_COST() \ |
| { \ |
| rd_cost0 = RDCOST(rdmult, rddiv, rate0, error0); \ |
| rd_cost1 = RDCOST(rdmult, rddiv, rate1, error1); \ |
| } |
| |
| static inline int64_t get_token_bit_costs( |
| unsigned int token_costs[2][COEFF_CONTEXTS][ENTROPY_TOKENS], int skip_eob, |
| int ctx, int token) { |
| #if CONFIG_NEW_TOKENSET |
| (void)skip_eob; |
| return token_costs[token == ZERO_TOKEN || token == EOB_TOKEN][ctx][token]; |
| #else |
| return token_costs[skip_eob][ctx][token]; |
| #endif |
| } |
| |
| int av1_optimize_b(const AV1_COMMON *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[MAX_TX_SQUARE + 1][2]; |
| uint8_t token_cache[MAX_TX_SQUARE]; |
| 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 = pd->plane_type; |
| const int default_eob = tx_size_2d[tx_size]; |
| const int16_t *const dequant_ptr = pd->dequant; |
| const uint8_t *const band_translate = get_band_translate(tx_size); |
| const int block_raster_idx = av1_block_index_to_raster_order(tx_size, block); |
| TX_TYPE tx_type = get_tx_type(plane_type, xd, block_raster_idx, tx_size); |
| const SCAN_ORDER *const scan_order = |
| get_scan(cm, tx_size, tx_type, is_inter_block(&xd->mi[0]->mbmi)); |
| const int16_t *const scan = scan_order->scan; |
| const int16_t *const nb = scan_order->neighbors; |
| int dqv; |
| const int shift = get_tx_scale(tx_size); |
| #if CONFIG_AOM_QM |
| int seg_id = xd->mi[0]->mbmi.segment_id; |
| const qm_val_t *iqmatrix = pd->seg_iqmatrix[seg_id][!ref][tx_size]; |
| #endif |
| #if CONFIG_NEW_QUANT |
| int dq = get_dq_profile_from_ctx(mb->qindex, ctx, ref, plane_type); |
| const dequant_val_type_nuq *dequant_val = pd->dequant_val_nuq[dq]; |
| #elif !CONFIG_AOM_QM |
| const int dq_step[2] = { dequant_ptr[0] >> shift, dequant_ptr[1] >> shift }; |
| #endif // CONFIG_NEW_QUANT |
| int next = eob, sz = 0; |
| const int64_t rdmult = (mb->rdmult * plane_rd_mult[ref][plane_type]) >> 1; |
| const int64_t rddiv = mb->rddiv; |
| int64_t rd_cost0, rd_cost1; |
| int rate0, rate1; |
| int64_t error0, error1; |
| int16_t t0, t1; |
| int best, band = (eob < default_eob) ? band_translate[eob] |
| : band_translate[eob - 1]; |
| int pt, i, final_eob; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| const int cat6_bits = av1_get_cat6_extrabits_size(tx_size, xd->bd); |
| #else |
| const int cat6_bits = av1_get_cat6_extrabits_size(tx_size, 8); |
| #endif |
| unsigned int(*token_costs)[2][COEFF_CONTEXTS][ENTROPY_TOKENS] = |
| mb->token_costs[txsize_sqr_map[tx_size]][plane_type][ref]; |
| const uint16_t *band_counts = &band_count_table[tx_size][band]; |
| uint16_t band_left = eob - band_cum_count_table[tx_size][band] + 1; |
| int shortcut = 0; |
| int next_shortcut = 0; |
| |
| assert((mb->qindex == 0) ^ (xd->lossless[xd->mi[0]->mbmi.segment_id] == 0)); |
| |
| token_costs += band; |
| |
| assert((!plane_type && !plane) || (plane_type && plane)); |
| assert(eob <= default_eob); |
| |
| /* Now set up a Viterbi trellis to evaluate alternative roundings. */ |
| /* 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++) { |
| const int rc = scan[i]; |
| tokens[i][0].rate = av1_get_token_cost(qcoeff[rc], &t0, cat6_bits); |
| tokens[i][0].token = t0; |
| token_cache[rc] = av1_pt_energy_class[t0]; |
| } |
| |
| for (i = eob; i-- > 0;) { |
| int base_bits, dx; |
| int64_t d2; |
| const int rc = scan[i]; |
| int x = qcoeff[rc]; |
| #if CONFIG_AOM_QM |
| int iwt = iqmatrix[rc]; |
| dqv = dequant_ptr[rc != 0]; |
| dqv = ((iwt * (int)dqv) + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS; |
| #else |
| dqv = dequant_ptr[rc != 0]; |
| #endif |
| next_shortcut = shortcut; |
| |
| /* Only add a trellis state for non-zero coefficients. */ |
| if (UNLIKELY(x)) { |
| 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; |
| |
| if (next_shortcut) { |
| /* Consider both possible successor states. */ |
| if (next < default_eob) { |
| pt = get_coef_context(nb, token_cache, i + 1); |
| rate0 += |
| get_token_bit_costs(*token_costs, 0, pt, tokens[next][0].token); |
| rate1 += |
| get_token_bit_costs(*token_costs, 0, pt, tokens[next][1].token); |
| } |
| UPDATE_RD_COST(); |
| /* And pick the best. */ |
| best = rd_cost1 < rd_cost0; |
| } else { |
| if (next < default_eob) { |
| pt = get_coef_context(nb, token_cache, i + 1); |
| rate0 += |
| get_token_bit_costs(*token_costs, 0, pt, tokens[next][0].token); |
| } |
| best = 0; |
| } |
| |
| dx = (dqcoeff[rc] - coeff[rc]) * (1 << shift); |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| dx >>= xd->bd - 8; |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| d2 = (int64_t)dx * dx; |
| tokens[i][0].rate += (best ? rate1 : rate0); |
| tokens[i][0].error = d2 + (best ? error1 : error0); |
| tokens[i][0].next = next; |
| tokens[i][0].qc = x; |
| tokens[i][0].dqc = dqcoeff[rc]; |
| tokens[i][0].best_index = best; |
| |
| /* Evaluate the second possibility for this state. */ |
| rate0 = tokens[next][0].rate; |
| rate1 = tokens[next][1].rate; |
| |
| // The threshold of 3 is empirically obtained. |
| if (UNLIKELY(abs(x) > 3)) { |
| shortcut = 0; |
| } else { |
| #if CONFIG_NEW_QUANT |
| shortcut = ((av1_dequant_abscoeff_nuq(abs(x), dqv, |
| dequant_val[band_translate[i]]) > |
| (abs(coeff[rc]) << shift)) && |
| (av1_dequant_abscoeff_nuq(abs(x) - 1, dqv, |
| dequant_val[band_translate[i]]) < |
| (abs(coeff[rc]) << shift))); |
| #else // CONFIG_NEW_QUANT |
| #if CONFIG_AOM_QM |
| if ((abs(x) * dequant_ptr[rc != 0] * iwt > |
| ((abs(coeff[rc]) << shift) << AOM_QM_BITS)) && |
| (abs(x) * dequant_ptr[rc != 0] * iwt < |
| (((abs(coeff[rc]) << shift) + dequant_ptr[rc != 0]) |
| << AOM_QM_BITS))) |
| #else |
| if ((abs(x) * dequant_ptr[rc != 0] > (abs(coeff[rc]) << shift)) && |
| (abs(x) * dequant_ptr[rc != 0] < |
| (abs(coeff[rc]) << shift) + dequant_ptr[rc != 0])) |
| #endif // CONFIG_AOM_QM |
| shortcut = 1; |
| else |
| shortcut = 0; |
| #endif // CONFIG_NEW_QUANT |
| } |
| |
| if (shortcut) { |
| sz = -(x < 0); |
| x -= 2 * sz + 1; |
| } else { |
| tokens[i][1] = tokens[i][0]; |
| next = i; |
| |
| if (UNLIKELY(!(--band_left))) { |
| --band_counts; |
| band_left = *band_counts; |
| --token_costs; |
| } |
| continue; |
| } |
| |
| /* 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; |
| base_bits = 0; |
| } else { |
| base_bits = av1_get_token_cost(x, &t0, cat6_bits); |
| t1 = t0; |
| } |
| |
| if (next_shortcut) { |
| if (LIKELY(next < default_eob)) { |
| if (t0 != EOB_TOKEN) { |
| token_cache[rc] = av1_pt_energy_class[t0]; |
| pt = get_coef_context(nb, token_cache, i + 1); |
| rate0 += get_token_bit_costs(*token_costs, !x, pt, |
| tokens[next][0].token); |
| } |
| if (t1 != EOB_TOKEN) { |
| token_cache[rc] = av1_pt_energy_class[t1]; |
| pt = get_coef_context(nb, token_cache, i + 1); |
| rate1 += get_token_bit_costs(*token_costs, !x, pt, |
| tokens[next][1].token); |
| } |
| } |
| |
| UPDATE_RD_COST(); |
| /* And pick the best. */ |
| best = rd_cost1 < rd_cost0; |
| } else { |
| // The two states in next stage are identical. |
| if (next < default_eob && t0 != EOB_TOKEN) { |
| token_cache[rc] = av1_pt_energy_class[t0]; |
| pt = get_coef_context(nb, token_cache, i + 1); |
| rate0 += |
| get_token_bit_costs(*token_costs, !x, pt, tokens[next][0].token); |
| } |
| best = 0; |
| } |
| |
| #if CONFIG_NEW_QUANT |
| dx = av1_dequant_coeff_nuq(x, dqv, dequant_val[band_translate[i]]) - |
| (coeff[rc] << shift); |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| dx >>= xd->bd - 8; |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| #else // CONFIG_NEW_QUANT |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| dx -= ((dqv >> (xd->bd - 8)) + sz) ^ sz; |
| } else { |
| dx -= (dqv + sz) ^ sz; |
| } |
| #else |
| dx -= (dqv + sz) ^ sz; |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| #endif // CONFIG_NEW_QUANT |
| d2 = (int64_t)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; |
| |
| if (x) { |
| #if CONFIG_NEW_QUANT |
| tokens[i][1].dqc = av1_dequant_abscoeff_nuq( |
| abs(x), dqv, dequant_val[band_translate[i]]); |
| tokens[i][1].dqc = shift ? ROUND_POWER_OF_TWO(tokens[i][1].dqc, shift) |
| : tokens[i][1].dqc; |
| if (sz) tokens[i][1].dqc = -tokens[i][1].dqc; |
| #else |
| // The 32x32 transform coefficient uses half quantization step size. |
| // Account for the rounding difference in the dequantized coefficeint |
| // value when the quantization index is dropped from an even number |
| // to an odd number. |
| |
| #if CONFIG_AOM_QM |
| tran_low_t offset = dqv >> shift; |
| #else |
| tran_low_t offset = dq_step[rc != 0]; |
| #endif |
| if (shift & x) offset += (dqv & 0x01); |
| |
| if (sz == 0) |
| tokens[i][1].dqc = dqcoeff[rc] - offset; |
| else |
| tokens[i][1].dqc = dqcoeff[rc] + offset; |
| #endif // CONFIG_NEW_QUANT |
| } else { |
| tokens[i][1].dqc = 0; |
| } |
| |
| tokens[i][1].best_index = 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. |
| */ |
| t0 = tokens[next][0].token; |
| t1 = tokens[next][1].token; |
| pt = get_coef_context(nb, token_cache, i + 1); |
| /* Update the cost of each path if we're past the EOB token. */ |
| if (t0 != EOB_TOKEN) { |
| tokens[next][0].rate += get_token_bit_costs(*token_costs, 1, pt, t0); |
| tokens[next][0].token = ZERO_TOKEN; |
| } |
| if (t1 != EOB_TOKEN) { |
| tokens[next][1].rate += get_token_bit_costs(*token_costs, 1, pt, t1); |
| tokens[next][1].token = ZERO_TOKEN; |
| } |
| tokens[i][0].best_index = tokens[i][1].best_index = 0; |
| shortcut = (tokens[next][0].rate != tokens[next][1].rate); |
| /* Don't update next, because we didn't add a new node. */ |
| } |
| |
| if (UNLIKELY(!(--band_left))) { |
| --band_counts; |
| band_left = *band_counts; |
| --token_costs; |
| } |
| } |
| |
| /* Now pick the best path through the whole trellis. */ |
| 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 += get_token_bit_costs(*token_costs, 0, ctx, t0); |
| rate1 += get_token_bit_costs(*token_costs, 0, ctx, t1); |
| UPDATE_RD_COST(); |
| best = rd_cost1 < rd_cost0; |
| |
| final_eob = -1; |
| |
| for (i = next; i < eob; i = next) { |
| const int x = tokens[i][best].qc; |
| const int rc = scan[i]; |
| if (x) final_eob = i; |
| qcoeff[rc] = x; |
| dqcoeff[rc] = tokens[i][best].dqc; |
| |
| next = tokens[i][best].next; |
| best = tokens[i][best].best_index; |
| } |
| final_eob++; |
| |
| mb->plane[plane].eobs[block] = final_eob; |
| assert(final_eob <= default_eob); |
| return final_eob; |
| } |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| typedef enum QUANT_FUNC { |
| QUANT_FUNC_LOWBD = 0, |
| QUANT_FUNC_HIGHBD = 1, |
| QUANT_FUNC_TYPES = 2 |
| } QUANT_FUNC; |
| |
| static AV1_QUANT_FACADE |
| quant_func_list[AV1_XFORM_QUANT_TYPES][QUANT_FUNC_TYPES] = { |
| { av1_quantize_fp_facade, av1_highbd_quantize_fp_facade }, |
| { av1_quantize_b_facade, av1_highbd_quantize_b_facade }, |
| { av1_quantize_dc_facade, av1_highbd_quantize_dc_facade }, |
| #if CONFIG_NEW_QUANT |
| { av1_quantize_fp_nuq_facade, av1_highbd_quantize_fp_nuq_facade }, |
| { av1_quantize_b_nuq_facade, av1_highbd_quantize_b_nuq_facade }, |
| { av1_quantize_dc_nuq_facade, av1_highbd_quantize_dc_nuq_facade }, |
| #endif // CONFIG_NEW_QUANT |
| { NULL, NULL } |
| }; |
| |
| #elif !CONFIG_PVQ |
| |
| typedef enum QUANT_FUNC { |
| QUANT_FUNC_LOWBD = 0, |
| QUANT_FUNC_TYPES = 1 |
| } QUANT_FUNC; |
| |
| static AV1_QUANT_FACADE quant_func_list[AV1_XFORM_QUANT_TYPES] |
| [QUANT_FUNC_TYPES] = { |
| { av1_quantize_fp_facade }, |
| { av1_quantize_b_facade }, |
| { av1_quantize_dc_facade }, |
| #if CONFIG_NEW_QUANT |
| { av1_quantize_fp_nuq_facade }, |
| { av1_quantize_b_nuq_facade }, |
| { av1_quantize_dc_nuq_facade }, |
| #endif // CONFIG_NEW_QUANT |
| { NULL } |
| }; |
| #endif |
| |
| void av1_xform_quant(const AV1_COMMON *cm, MACROBLOCK *x, int plane, int block, |
| int blk_row, int blk_col, BLOCK_SIZE plane_bsize, |
| TX_SIZE tx_size, int ctx, |
| AV1_XFORM_QUANT xform_quant_idx) { |
| MACROBLOCKD *const xd = &x->e_mbd; |
| MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi; |
| #if !(CONFIG_PVQ || CONFIG_DAALA_DIST) |
| 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 = get_plane_type(plane); |
| const int block_raster_idx = av1_block_index_to_raster_order(tx_size, block); |
| TX_TYPE tx_type = get_tx_type(plane_type, xd, block_raster_idx, tx_size); |
| const int is_inter = is_inter_block(mbmi); |
| const SCAN_ORDER *const scan_order = get_scan(cm, tx_size, tx_type, is_inter); |
| 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 = block_size_wide[plane_bsize]; |
| #if CONFIG_AOM_QM |
| int seg_id = mbmi->segment_id; |
| const qm_val_t *qmatrix = pd->seg_qmatrix[seg_id][!is_inter][tx_size]; |
| const qm_val_t *iqmatrix = pd->seg_iqmatrix[seg_id][!is_inter][tx_size]; |
| #endif |
| |
| FWD_TXFM_PARAM fwd_txfm_param; |
| |
| #if CONFIG_PVQ || CONFIG_DAALA_DIST |
| uint8_t *dst; |
| int16_t *pred; |
| const int dst_stride = pd->dst.stride; |
| int tx_blk_size; |
| int i, j; |
| #endif |
| |
| #if !CONFIG_PVQ |
| const int tx2d_size = tx_size_2d[tx_size]; |
| QUANT_PARAM qparam; |
| const int16_t *src_diff; |
| |
| src_diff = |
| &p->src_diff[(blk_row * diff_stride + blk_col) << tx_size_wide_log2[0]]; |
| qparam.log_scale = get_tx_scale(tx_size); |
| #if CONFIG_NEW_QUANT |
| qparam.tx_size = tx_size; |
| qparam.dq = get_dq_profile_from_ctx(x->qindex, ctx, is_inter, plane_type); |
| #endif // CONFIG_NEW_QUANT |
| #if CONFIG_AOM_QM |
| qparam.qmatrix = qmatrix; |
| qparam.iqmatrix = iqmatrix; |
| #endif // CONFIG_AOM_QM |
| #else |
| tran_low_t *ref_coeff = BLOCK_OFFSET(pd->pvq_ref_coeff, block); |
| int skip = 1; |
| PVQ_INFO *pvq_info = NULL; |
| uint8_t *src; |
| int16_t *src_int16; |
| const int src_stride = p->src.stride; |
| |
| (void)scan_order; |
| (void)qcoeff; |
| |
| if (x->pvq_coded) { |
| assert(block < MAX_PVQ_BLOCKS_IN_SB); |
| pvq_info = &x->pvq[block][plane]; |
| } |
| src = &p->src.buf[(blk_row * src_stride + blk_col) << tx_size_wide_log2[0]]; |
| src_int16 = |
| &p->src_int16[(blk_row * diff_stride + blk_col) << tx_size_wide_log2[0]]; |
| |
| // transform block size in pixels |
| tx_blk_size = tx_size_wide[tx_size]; |
| |
| 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]; |
| #endif |
| |
| #if CONFIG_PVQ || CONFIG_DAALA_DIST |
| dst = &pd->dst.buf[(blk_row * dst_stride + blk_col) << tx_size_wide_log2[0]]; |
| pred = &pd->pred[(blk_row * diff_stride + blk_col) << tx_size_wide_log2[0]]; |
| |
| // transform block size in pixels |
| tx_blk_size = tx_size_wide[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++) { |
| pred[diff_stride * j + i] = dst[dst_stride * j + i]; |
| } |
| #endif |
| |
| (void)ctx; |
| |
| fwd_txfm_param.tx_type = tx_type; |
| fwd_txfm_param.tx_size = tx_size; |
| fwd_txfm_param.lossless = xd->lossless[mbmi->segment_id]; |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| fwd_txfm_param.bd = xd->bd; |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| highbd_fwd_txfm(src_diff, coeff, diff_stride, &fwd_txfm_param); |
| if (xform_quant_idx != AV1_XFORM_QUANT_SKIP_QUANT) { |
| if (LIKELY(!x->skip_block)) { |
| quant_func_list[xform_quant_idx][QUANT_FUNC_HIGHBD]( |
| coeff, tx2d_size, p, qcoeff, pd, dqcoeff, eob, scan_order, &qparam); |
| } else { |
| av1_quantize_skip(tx2d_size, qcoeff, dqcoeff, eob); |
| } |
| } |
| return; |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| #if !CONFIG_PVQ |
| fwd_txfm(src_diff, coeff, diff_stride, &fwd_txfm_param); |
| if (xform_quant_idx != AV1_XFORM_QUANT_SKIP_QUANT) { |
| if (LIKELY(!x->skip_block)) { |
| quant_func_list[xform_quant_idx][QUANT_FUNC_LOWBD]( |
| coeff, tx2d_size, p, qcoeff, pd, dqcoeff, eob, scan_order, &qparam); |
| } else { |
| av1_quantize_skip(tx2d_size, qcoeff, dqcoeff, eob); |
| } |
| } |
| #else // #if !CONFIG_PVQ |
| |
| (void)xform_quant_idx; |
| 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) { |
| PVQ_SKIP_TYPE ac_dc_coded = |
| 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 |
| skip = ac_dc_coded == PVQ_SKIP; |
| } |
| 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; |
| AV1_COMMON *cm = args->cm; |
| MACROBLOCK *const x = args->x; |
| MACROBLOCKD *const xd = &x->e_mbd; |
| int 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; |
| INV_TXFM_PARAM inv_txfm_param; |
| const int block_raster_idx = av1_block_index_to_raster_order(tx_size, block); |
| #if CONFIG_PVQ |
| int tx_width_pixels, tx_height_pixels; |
| int j; |
| #endif |
| #if CONFIG_VAR_TX |
| int bw = block_size_wide[plane_bsize] >> tx_size_wide_log2[0]; |
| #endif |
| dst = &pd->dst |
| .buf[(blk_row * pd->dst.stride + blk_col) << tx_size_wide_log2[0]]; |
| a = &args->ta[blk_col]; |
| l = &args->tl[blk_row]; |
| #if CONFIG_VAR_TX |
| ctx = get_entropy_context(tx_size, a, l); |
| #else |
| ctx = combine_entropy_contexts(*a, *l); |
| #endif |
| |
| #if CONFIG_VAR_TX |
| // Assert not magic number (uninitialized). |
| assert(x->blk_skip[plane][blk_row * bw + blk_col] != 234); |
| |
| if (x->blk_skip[plane][blk_row * bw + blk_col] == 0) { |
| #else |
| { |
| #endif |
| #if CONFIG_NEW_QUANT |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_FP_NUQ); |
| #else |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_FP); |
| #endif // CONFIG_NEW_QUANT |
| } |
| #if CONFIG_VAR_TX |
| else { |
| p->eobs[block] = 0; |
| } |
| #endif |
| #if !CONFIG_PVQ |
| if (p->eobs[block] && !xd->lossless[xd->mi[0]->mbmi.segment_id]) { |
| *a = *l = av1_optimize_b(cm, x, plane, block, tx_size, ctx) > 0; |
| } else { |
| *a = *l = p->eobs[block] > 0; |
| } |
| |
| #if CONFIG_VAR_TX |
| int i; |
| for (i = 0; i < tx_size_wide_unit[tx_size]; ++i) a[i] = a[0]; |
| |
| for (i = 0; i < tx_size_high_unit[tx_size]; ++i) l[i] = l[0]; |
| #endif |
| |
| if (p->eobs[block]) *(args->skip) = 0; |
| |
| if (p->eobs[block] == 0) return; |
| #else |
| (void)ctx; |
| *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_width_pixels = tx_size_wide[tx_size]; |
| tx_height_pixels = tx_size_high[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_height_pixels; j++) { |
| int i; |
| for (i = 0; i < tx_width_pixels; i++) dst[j * pd->dst.stride + i] = 0; |
| } |
| #endif |
| |
| // inverse transform parameters |
| inv_txfm_param.tx_type = |
| get_tx_type(pd->plane_type, xd, block_raster_idx, tx_size); |
| inv_txfm_param.tx_size = tx_size; |
| inv_txfm_param.eob = p->eobs[block]; |
| inv_txfm_param.lossless = xd->lossless[xd->mi[0]->mbmi.segment_id]; |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| inv_txfm_param.bd = xd->bd; |
| highbd_inv_txfm_add(dqcoeff, dst, pd->dst.stride, &inv_txfm_param); |
| return; |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| inv_txfm_add(dqcoeff, dst, pd->dst.stride, &inv_txfm_param); |
| } |
| |
| #if CONFIG_VAR_TX |
| static void encode_block_inter(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; |
| MACROBLOCKD *const xd = &x->e_mbd; |
| MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi; |
| const BLOCK_SIZE bsize = txsize_to_bsize[tx_size]; |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const int tx_row = blk_row >> (1 - pd->subsampling_y); |
| const int tx_col = blk_col >> (1 - pd->subsampling_x); |
| TX_SIZE plane_tx_size; |
| const int max_blocks_high = max_block_high(xd, plane_bsize, plane); |
| const int max_blocks_wide = max_block_wide(xd, plane_bsize, plane); |
| |
| if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return; |
| |
| plane_tx_size = |
| plane ? uv_txsize_lookup[bsize][mbmi->inter_tx_size[tx_row][tx_col]][0][0] |
| : mbmi->inter_tx_size[tx_row][tx_col]; |
| |
| if (tx_size == plane_tx_size) { |
| encode_block(plane, block, blk_row, blk_col, plane_bsize, tx_size, arg); |
| } else { |
| const TX_SIZE sub_txs = sub_tx_size_map[tx_size]; |
| // This is the square transform block partition entry point. |
| int bsl = tx_size_wide_unit[sub_txs]; |
| int i; |
| assert(bsl > 0); |
| assert(tx_size < TX_SIZES_ALL); |
| |
| for (i = 0; i < 4; ++i) { |
| const int offsetr = blk_row + ((i >> 1) * bsl); |
| const int offsetc = blk_col + ((i & 0x01) * bsl); |
| int step = tx_size_wide_unit[sub_txs] * tx_size_high_unit[sub_txs]; |
| |
| if (offsetr >= max_blocks_high || offsetc >= max_blocks_wide) continue; |
| |
| encode_block_inter(plane, block, offsetr, offsetc, plane_bsize, sub_txs, |
| arg); |
| block += step; |
| } |
| } |
| } |
| #endif |
| |
| 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; |
| int ctx = 0; |
| dst = &pd->dst |
| .buf[(blk_row * pd->dst.stride + blk_col) << tx_size_wide_log2[0]]; |
| |
| #if CONFIG_NEW_QUANT |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_B_NUQ); |
| #else |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_B); |
| #endif // CONFIG_NEW_QUANT |
| #if !CONFIG_PVQ |
| if (p->eobs[block] > 0) { |
| #else |
| if (!x->pvq_skip[plane]) { |
| { |
| int tx_blk_size; |
| int i, j; |
| // transform block size in pixels |
| tx_blk_size = tx_size_wide[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 // !CONFIG_PVQ |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| if (xd->lossless[xd->mi[0]->mbmi.segment_id]) { |
| 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[xd->mi[0]->mbmi.segment_id]) { |
| 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, |
| const int mi_row, const int mi_col) { |
| 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, NULL, NULL, 1 }; |
| int plane; |
| |
| mbmi->skip = 1; |
| |
| if (x->skip) return; |
| |
| for (plane = 0; plane < MAX_MB_PLANE; ++plane) { |
| #if CONFIG_CB4X4 && !CONFIG_CHROMA_2X2 |
| if (bsize < BLOCK_8X8 && plane && !is_chroma_reference(mi_row, mi_col)) |
| continue; |
| if (plane) bsize = AOMMAX(bsize, BLOCK_8X8); |
| #else |
| (void)mi_row; |
| (void)mi_col; |
| #endif |
| |
| #if CONFIG_VAR_TX |
| // TODO(jingning): Clean this up. |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd); |
| const int mi_width = block_size_wide[plane_bsize] >> tx_size_wide_log2[0]; |
| const int mi_height = block_size_high[plane_bsize] >> tx_size_wide_log2[0]; |
| const TX_SIZE max_tx_size = max_txsize_rect_lookup[plane_bsize]; |
| const BLOCK_SIZE txb_size = txsize_to_bsize[max_tx_size]; |
| const int bw = block_size_wide[txb_size] >> tx_size_wide_log2[0]; |
| const int bh = block_size_high[txb_size] >> tx_size_wide_log2[0]; |
| int idx, idy; |
| int block = 0; |
| int step = tx_size_wide_unit[max_tx_size] * tx_size_high_unit[max_tx_size]; |
| av1_get_entropy_contexts(bsize, 0, pd, ctx.ta[plane], ctx.tl[plane]); |
| #else |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const TX_SIZE tx_size = get_tx_size(plane, xd); |
| av1_get_entropy_contexts(bsize, tx_size, pd, ctx.ta[plane], ctx.tl[plane]); |
| #endif |
| |
| #if !CONFIG_PVQ |
| av1_subtract_plane(x, bsize, plane); |
| #endif |
| arg.ta = ctx.ta[plane]; |
| arg.tl = ctx.tl[plane]; |
| |
| #if CONFIG_VAR_TX |
| for (idy = 0; idy < mi_height; idy += bh) { |
| for (idx = 0; idx < mi_width; idx += bw) { |
| encode_block_inter(plane, block, idy, idx, plane_bsize, max_tx_size, |
| &arg); |
| block += step; |
| } |
| } |
| #else |
| av1_foreach_transformed_block_in_plane(xd, bsize, plane, encode_block, |
| &arg); |
| #endif |
| } |
| } |
| |
| #if CONFIG_SUPERTX |
| void av1_encode_sb_supertx(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, NULL, NULL, 1 }; |
| int plane; |
| |
| mbmi->skip = 1; |
| if (x->skip) return; |
| |
| for (plane = 0; plane < MAX_MB_PLANE; ++plane) { |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| #if CONFIG_VAR_TX |
| const TX_SIZE tx_size = TX_4X4; |
| #else |
| const TX_SIZE tx_size = get_tx_size(plane, xd); |
| #endif |
| av1_subtract_plane(x, bsize, plane); |
| av1_get_entropy_contexts(bsize, tx_size, pd, ctx.ta[plane], ctx.tl[plane]); |
| arg.ta = ctx.ta[plane]; |
| arg.tl = ctx.tl[plane]; |
| av1_foreach_transformed_block_in_plane(xd, bsize, plane, encode_block, |
| &arg); |
| } |
| } |
| #endif // CONFIG_SUPERTX |
| |
| 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; |
| AV1_COMMON *cm = args->cm; |
| MACROBLOCK *const x = args->x; |
| 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 *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); |
| PLANE_TYPE plane_type = get_plane_type(plane); |
| const int block_raster_idx = av1_block_index_to_raster_order(tx_size, block); |
| const TX_TYPE tx_type = |
| get_tx_type(plane_type, xd, block_raster_idx, tx_size); |
| PREDICTION_MODE mode; |
| const int diff_stride = block_size_wide[plane_bsize]; |
| 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; |
| const int tx1d_width = tx_size_wide[tx_size]; |
| const int tx1d_height = tx_size_high[tx_size]; |
| ENTROPY_CONTEXT *a = NULL, *l = NULL; |
| int ctx = 0; |
| INV_TXFM_PARAM inv_txfm_param; |
| #if CONFIG_PVQ |
| int tx_blk_size; |
| int i, j; |
| #endif |
| |
| dst = &pd->dst.buf[(blk_row * dst_stride + blk_col) << tx_size_wide_log2[0]]; |
| src = &p->src.buf[(blk_row * src_stride + blk_col) << tx_size_wide_log2[0]]; |
| src_diff = |
| &p->src_diff[(blk_row * diff_stride + blk_col) << tx_size_wide_log2[0]]; |
| mode = (plane == 0) ? get_y_mode(xd->mi[0], block_raster_idx) : mbmi->uv_mode; |
| av1_predict_intra_block(xd, pd->width, pd->height, txsize_to_bsize[tx_size], |
| mode, dst, dst_stride, dst, dst_stride, blk_col, |
| blk_row, plane); |
| |
| if (check_subtract_block_size(tx1d_width, tx1d_height)) { |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| aom_highbd_subtract_block_c(tx1d_height, tx1d_width, src_diff, |
| diff_stride, src, src_stride, dst, dst_stride, |
| xd->bd); |
| } else { |
| aom_subtract_block_c(tx1d_height, tx1d_width, src_diff, diff_stride, src, |
| src_stride, dst, dst_stride); |
| } |
| #else |
| aom_subtract_block_c(tx1d_height, tx1d_width, src_diff, diff_stride, src, |
| src_stride, dst, dst_stride); |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| } else { |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| aom_highbd_subtract_block(tx1d_height, tx1d_width, src_diff, diff_stride, |
| src, src_stride, dst, dst_stride, xd->bd); |
| } else { |
| aom_subtract_block(tx1d_height, tx1d_width, src_diff, diff_stride, src, |
| src_stride, dst, dst_stride); |
| } |
| #else |
| aom_subtract_block(tx1d_height, tx1d_width, src_diff, diff_stride, src, |
| src_stride, dst, dst_stride); |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| } |
| |
| a = &args->ta[blk_col]; |
| l = &args->tl[blk_row]; |
| #if !CONFIG_PVQ |
| ctx = combine_entropy_contexts(*a, *l); |
| |
| if (args->enable_optimize_b) { |
| #if CONFIG_NEW_QUANT |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_FP_NUQ); |
| #else // CONFIG_NEW_QUANT |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_FP); |
| #endif // CONFIG_NEW_QUANT |
| if (p->eobs[block]) { |
| *a = *l = av1_optimize_b(cm, x, plane, block, tx_size, ctx) > 0; |
| } else { |
| *a = *l = 0; |
| } |
| } else { |
| #if CONFIG_NEW_QUANT |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_B_NUQ); |
| #else // CONFIG_NEW_QUANT |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_B); |
| #endif // CONFIG_NEW_QUANT |
| *a = *l = p->eobs[block] > 0; |
| } |
| |
| if (*eob) { |
| // inverse transform |
| inv_txfm_param.tx_type = tx_type; |
| inv_txfm_param.tx_size = tx_size; |
| inv_txfm_param.eob = *eob; |
| inv_txfm_param.lossless = xd->lossless[mbmi->segment_id]; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| inv_txfm_param.bd = xd->bd; |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| highbd_inv_txfm_add(dqcoeff, dst, dst_stride, &inv_txfm_param); |
| } else { |
| inv_txfm_add(dqcoeff, dst, dst_stride, &inv_txfm_param); |
| } |
| #else |
| inv_txfm_add(dqcoeff, dst, dst_stride, &inv_txfm_param); |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| *(args->skip) = 0; |
| } |
| #else // #if !CONFIG_PVQ |
| |
| #if CONFIG_NEW_QUANT |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_FP_NUQ); |
| #else |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_FP); |
| #endif // CONFIG_NEW_QUANT |
| |
| *a = *l = !x->pvq_skip[plane]; |
| |
| // *(args->skip) == mbmi->skip |
| if (!x->pvq_skip[plane]) *(args->skip) = 0; |
| |
| if (x->pvq_skip[plane]) return; |
| |
| // transform block size in pixels |
| tx_blk_size = tx_size_wide[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 * dst_stride + i] = 0; |
| |
| inv_txfm_param.tx_type = tx_type; |
| inv_txfm_param.tx_size = tx_size; |
| inv_txfm_param.eob = *eob; |
| inv_txfm_param.lossless = xd->lossless[mbmi->segment_id]; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| #error |
| |
| #else |
| inv_txfm_add(dqcoeff, dst, dst_stride, &inv_txfm_param); |
| #endif |
| #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, |
| int enable_optimize_b, const int mi_row, |
| const int mi_col) { |
| const MACROBLOCKD *const xd = &x->e_mbd; |
| ENTROPY_CONTEXT ta[2 * MAX_MIB_SIZE] = { 0 }; |
| ENTROPY_CONTEXT tl[2 * MAX_MIB_SIZE] = { 0 }; |
| |
| struct encode_b_args arg = { |
| cm, x, NULL, &xd->mi[0]->mbmi.skip, ta, tl, enable_optimize_b |
| }; |
| |
| #if CONFIG_CB4X4 |
| if (bsize < BLOCK_8X8 && plane && !is_chroma_reference(mi_row, mi_col)) |
| return; |
| #else |
| (void)mi_row; |
| (void)mi_col; |
| #endif |
| |
| if (enable_optimize_b) { |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const TX_SIZE tx_size = get_tx_size(plane, xd); |
| av1_get_entropy_contexts(bsize, tx_size, pd, ta, tl); |
| } |
| av1_foreach_transformed_block_in_plane(xd, bsize, plane, |
| av1_encode_block_intra, &arg); |
| } |
| |
| #if CONFIG_PVQ |
| PVQ_SKIP_TYPE 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_wide[tx_size]; |
| PVQ_SKIP_TYPE ac_dc_coded; |
| /*TODO(tterribe): Handle CONFIG_AOM_HIGHBITDEPTH.*/ |
| int coeff_shift = 3 - get_tx_scale(tx_size); |
| int rounding_mask; |
| int pvq_dc_quant; |
| int use_activity_masking = daala_enc->use_activity_masking; |
| int tell; |
| int has_dc_skip = 1; |
| int i; |
| int off = od_qm_offset(tx_size, plane ? 1 : 0); |
| |
| DECLARE_ALIGNED(16, tran_low_t, coeff_pvq[OD_TXSIZE_MAX * OD_TXSIZE_MAX]); |
| DECLARE_ALIGNED(16, tran_low_t, ref_coeff_pvq[OD_TXSIZE_MAX * OD_TXSIZE_MAX]); |
| DECLARE_ALIGNED(16, tran_low_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]); |
| |
| assert(OD_COEFF_SHIFT >= 3); |
| // DC quantizer for PVQ |
| if (use_activity_masking) |
| pvq_dc_quant = |
| OD_MAXI(1, (quant[0] << (OD_COEFF_SHIFT - 3)) * |
| daala_enc->state |
| .pvq_qm_q4[plane][od_qm_get_index(tx_size, 0)] >> |
| 4); |
| else |
| pvq_dc_quant = OD_MAXI(1, quant[0] << (OD_COEFF_SHIFT - 3)); |
| |
| *eob = 0; |
| |
| #if CONFIG_DAALA_EC |
| tell = od_ec_enc_tell_frac(&daala_enc->w.ec); |
| #else |
| #error "CONFIG_PVQ currently requires CONFIG_DAALA_EC." |
| #endif |
| |
| // 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] = |
| AOM_SIGNED_SHL(ref_coeff_pvq[i], OD_COEFF_SHIFT - coeff_shift); |
| in_int32[i] = AOM_SIGNED_SHL(coeff_pvq[i], OD_COEFF_SHIFT - coeff_shift); |
| } |
| |
| 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); |
| } |
| |
| ac_dc_coded = od_pvq_encode( |
| daala_enc, ref_int32, in_int32, out_int32, |
| quant[0] << (OD_COEFF_SHIFT - 3), // scale/quantizer |
| quant[1] << (OD_COEFF_SHIFT - 3), // scale/quantizer |
| plane, tx_size, OD_PVQ_BETA[use_activity_masking][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); |
| |
| // Encode residue of DC coeff, if required. |
| if (!has_dc_skip || out_int32[0]) { |
| generic_encode(&daala_enc->w, &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]) { |
| aom_write_bit(&daala_enc->w, out_int32[0] < 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 |
| assert(OD_COEFF_SHIFT > coeff_shift); |
| rounding_mask = (1 << (OD_COEFF_SHIFT - coeff_shift - 1)) - 1; |
| for (i = 0; i < tx_blk_size * tx_blk_size; i++) { |
| dqcoeff_pvq[i] = (out_int32[i] + (out_int32[i] < 0) + rounding_mask) >> |
| (OD_COEFF_SHIFT - coeff_shift); |
| } |
| |
| // 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; |
| |
| #if CONFIG_DAALA_EC |
| *rate = (od_ec_enc_tell_frac(&daala_enc->w.ec) - tell) |
| << (AV1_PROB_COST_SHIFT - OD_BITRES); |
| #else |
| #error "CONFIG_PVQ currently requires CONFIG_DAALA_EC." |
| #endif |
| assert(*rate >= 0); |
| |
| return ac_dc_coded; |
| } |
| |
| 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_wide[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 |
