| /* |
| * 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" |
| #if CONFIG_LV_MAP |
| #include "av1/encoder/encodetxb.h" |
| #endif |
| #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 |
| |
| #if CONFIG_CFL |
| #include "av1/common/cfl.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; } |
| |
| static void subtract_block(const MACROBLOCKD *xd, int rows, int cols, |
| int16_t *diff, ptrdiff_t diff_stride, |
| const uint8_t *src8, ptrdiff_t src_stride, |
| const uint8_t *pred8, ptrdiff_t pred_stride) { |
| #if !CONFIG_HIGHBITDEPTH |
| (void)xd; |
| #endif |
| |
| if (check_subtract_block_size(rows, cols)) { |
| #if CONFIG_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| aom_highbd_subtract_block_c(rows, cols, diff, diff_stride, src8, |
| src_stride, pred8, pred_stride, xd->bd); |
| return; |
| } |
| #endif // CONFIG_HIGHBITDEPTH |
| aom_subtract_block_c(rows, cols, diff, diff_stride, src8, src_stride, pred8, |
| pred_stride); |
| |
| return; |
| } |
| |
| #if CONFIG_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| aom_highbd_subtract_block(rows, cols, diff, diff_stride, src8, src_stride, |
| pred8, pred_stride, xd->bd); |
| return; |
| } |
| #endif // CONFIG_HIGHBITDEPTH |
| aom_subtract_block(rows, cols, diff, diff_stride, src8, src_stride, pred8, |
| pred_stride); |
| } |
| |
| void av1_subtract_txb(MACROBLOCK *x, int plane, BLOCK_SIZE plane_bsize, |
| int blk_col, int blk_row, TX_SIZE tx_size) { |
| MACROBLOCKD *const xd = &x->e_mbd; |
| struct macroblock_plane *const p = &x->plane[plane]; |
| const struct macroblockd_plane *const pd = &x->e_mbd.plane[plane]; |
| const int diff_stride = block_size_wide[plane_bsize]; |
| 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]; |
| uint8_t *dst = |
| &pd->dst.buf[(blk_row * dst_stride + blk_col) << tx_size_wide_log2[0]]; |
| uint8_t *src = |
| &p->src.buf[(blk_row * src_stride + blk_col) << tx_size_wide_log2[0]]; |
| int16_t *src_diff = |
| &p->src_diff[(blk_row * diff_stride + blk_col) << tx_size_wide_log2[0]]; |
| subtract_block(xd, tx1d_height, tx1d_width, src_diff, diff_stride, src, |
| src_stride, dst, dst_stride); |
| } |
| |
| 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]; |
| const MACROBLOCKD *xd = &x->e_mbd; |
| |
| subtract_block(xd, bh, bw, p->src_diff, bw, p->src.buf, p->src.stride, |
| pd->dst.buf, pd->dst.stride); |
| } |
| |
| #if !CONFIG_LV_MAP |
| // These numbers are empirically obtained. |
| static const int plane_rd_mult[REF_TYPES][PLANE_TYPES] = { |
| { 10, 7 }, { 8, 5 }, |
| }; |
| |
| static int optimize_b_greedy(const AV1_COMMON *cm, MACROBLOCK *mb, int plane, |
| int blk_row, int blk_col, 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 PLANE_TYPE plane_type = pd->plane_type; |
| const int eob = p->eobs[block]; |
| assert(mb->qindex > 0); |
| assert((!plane_type && !plane) || (plane_type && plane)); |
| assert(eob <= tx_size_2d[tx_size]); |
| const int ref = is_inter_block(&xd->mi[0]->mbmi); |
| 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 int16_t *const dequant_ptr = pd->dequant; |
| const uint8_t *const band_translate = get_band_translate(tx_size); |
| const TX_TYPE tx_type = |
| av1_get_tx_type(plane_type, xd, blk_row, blk_col, block, tx_size); |
| const SCAN_ORDER *const scan_order = |
| get_scan(cm, tx_size, tx_type, &xd->mi[0]->mbmi); |
| const int16_t *const scan = scan_order->scan; |
| const int16_t *const nb = scan_order->neighbors; |
| const int shift = av1_get_tx_scale(tx_size); |
| #if CONFIG_AOM_QM |
| int seg_id = xd->mi[0]->mbmi.segment_id; |
| // Use a flat matrix (i.e. no weighting) for 1D and Identity transforms |
| const qm_val_t *iqmatrix = |
| IS_2D_TRANSFORM(tx_type) |
| ? pd->seg_iqmatrix[seg_id][!ref][tx_size] |
| : cm->giqmatrix[NUM_QM_LEVELS - 1][0][0][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]; |
| #endif // CONFIG_NEW_QUANT |
| int64_t rd_cost0, rd_cost1; |
| int16_t t0, t1; |
| int i, final_eob = 0; |
| const int cat6_bits = av1_get_cat6_extrabits_size(tx_size, xd->bd); |
| int(*head_token_costs)[COEFF_CONTEXTS][TAIL_TOKENS] = |
| mb->token_head_costs[txsize_sqr_map[tx_size]][plane_type][ref]; |
| int(*tail_token_costs)[COEFF_CONTEXTS][TAIL_TOKENS] = |
| mb->token_tail_costs[txsize_sqr_map[tx_size]][plane_type][ref]; |
| const int64_t rdmult = (mb->rdmult * plane_rd_mult[ref][plane_type]) >> 1; |
| int64_t rate0, rate1; |
| int64_t eob_cost0, eob_cost1; |
| tran_low_t before_best_eob_qc = 0; |
| tran_low_t before_best_eob_dqc = 0; |
| |
| uint8_t token_cache[MAX_TX_SQUARE]; |
| for (i = 0; i < eob; i++) { |
| const int rc = scan[i]; |
| token_cache[rc] = av1_pt_energy_class[av1_get_token(qcoeff[rc])]; |
| } |
| |
| /* Record the r-d cost */ |
| 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; |
| rate0 = head_token_costs[0][ctx][0]; |
| int64_t best_block_rd_cost = RDCOST(rdmult, rate0, accu_error); |
| |
| // int64_t best_block_rd_cost_all0 = best_block_rd_cost; |
| const int seg_eob = |
| av1_get_tx_eob(&cm->seg, xd->mi[0]->mbmi.segment_id, tx_size); |
| for (i = 0; i < eob; i++) { |
| const int rc = scan[i]; |
| const int x = qcoeff[rc]; |
| const int sz = -(x < 0); |
| const int band_cur = band_translate[i]; |
| const int ctx_cur = (i == 0) ? ctx : get_coef_context(nb, token_cache, i); |
| const int eob_val = |
| (i + 1 == eob) ? (i + 1 == seg_eob ? LAST_EOB : EARLY_EOB) : NO_EOB; |
| const int is_first = (i == 0); |
| |
| if (x == 0) { |
| // no need to search when x == 0 |
| accu_rate += av1_get_coeff_token_cost( |
| ZERO_TOKEN, eob_val, is_first, head_token_costs[band_cur][ctx_cur], |
| tail_token_costs[band_cur][ctx_cur]); |
| // accu_error does not change when x==0 |
| } else { |
| /* Computing distortion |
| */ |
| // compute the distortion for the first candidate |
| // and the distortion for quantizing to 0. |
| int dx0 = abs(coeff[rc]) * (1 << shift); |
| #if CONFIG_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| dx0 >>= xd->bd - 8; |
| } |
| #endif |
| const int64_t d0 = (int64_t)dx0 * dx0; |
| const int x_a = x - 2 * sz - 1; |
| int dqv; |
| #if CONFIG_AOM_QM |
| int iwt; |
| dqv = dequant_ptr[rc != 0]; |
| if (iqmatrix != NULL) { |
| iwt = iqmatrix[rc]; |
| dqv = ((iwt * (int)dqv) + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS; |
| } |
| #else |
| dqv = dequant_ptr[rc != 0]; |
| #endif |
| |
| int dx = (dqcoeff[rc] - coeff[rc]) * (1 << shift); |
| #if CONFIG_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| int dx_sign = dx < 0 ? 1 : 0; |
| dx = abs(dx) >> (xd->bd - 8); |
| if (dx_sign) dx = -dx; |
| } |
| #endif // CONFIG_HIGHBITDEPTH |
| const int64_t d2 = (int64_t)dx * dx; |
| |
| /* compute the distortion for the second candidate |
| * x_a = x - 2 * sz + 1; |
| */ |
| int64_t d2_a; |
| if (x_a != 0) { |
| #if CONFIG_NEW_QUANT |
| dx = av1_dequant_coeff_nuq(x, dqv, dequant_val[band_translate[i]]) - |
| (coeff[rc] * (1 << shift)); |
| #if CONFIG_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| dx >>= xd->bd - 8; |
| } |
| #endif // CONFIG_HIGHBITDEPTH |
| #else // CONFIG_NEW_QUANT |
| #if CONFIG_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_HIGHBITDEPTH |
| #endif // CONFIG_NEW_QUANT |
| d2_a = (int64_t)dx * dx; |
| } else { |
| d2_a = d0; |
| } |
| // Computing RD cost |
| int64_t base_bits; |
| // rate cost of x |
| base_bits = av1_get_token_cost(x, &t0, cat6_bits); |
| rate0 = base_bits + |
| av1_get_coeff_token_cost(t0, eob_val, is_first, |
| head_token_costs[band_cur][ctx_cur], |
| tail_token_costs[band_cur][ctx_cur]); |
| // rate cost of x_a |
| base_bits = av1_get_token_cost(x_a, &t1, cat6_bits); |
| if (t1 == ZERO_TOKEN && eob_val) { |
| rate1 = base_bits; |
| } else { |
| rate1 = base_bits + |
| av1_get_coeff_token_cost(t1, eob_val, is_first, |
| head_token_costs[band_cur][ctx_cur], |
| tail_token_costs[band_cur][ctx_cur]); |
| } |
| |
| int64_t next_bits0 = 0, next_bits1 = 0; |
| if (i < eob - 1) { |
| int ctx_next; |
| const int band_next = band_translate[i + 1]; |
| const int token_next = av1_get_token(qcoeff[scan[i + 1]]); |
| const int eob_val_next = |
| (i + 2 == eob) ? (i + 2 == seg_eob ? LAST_EOB : EARLY_EOB) : NO_EOB; |
| |
| token_cache[rc] = av1_pt_energy_class[t0]; |
| ctx_next = get_coef_context(nb, token_cache, i + 1); |
| next_bits0 = av1_get_coeff_token_cost( |
| token_next, eob_val_next, 0, head_token_costs[band_next][ctx_next], |
| tail_token_costs[band_next][ctx_next]); |
| |
| token_cache[rc] = av1_pt_energy_class[t1]; |
| ctx_next = get_coef_context(nb, token_cache, i + 1); |
| next_bits1 = av1_get_coeff_token_cost( |
| token_next, eob_val_next, 0, head_token_costs[band_next][ctx_next], |
| tail_token_costs[band_next][ctx_next]); |
| } |
| |
| rd_cost0 = RDCOST(rdmult, (rate0 + next_bits0), d2); |
| rd_cost1 = RDCOST(rdmult, (rate1 + next_bits1), d2_a); |
| const int best_x = (rd_cost1 < rd_cost0); |
| |
| const int eob_v = (i + 1 == seg_eob) ? LAST_EOB : EARLY_EOB; |
| int64_t next_eob_bits0, next_eob_bits1; |
| int best_eob_x; |
| next_eob_bits0 = av1_get_coeff_token_cost( |
| t0, eob_v, is_first, head_token_costs[band_cur][ctx_cur], |
| tail_token_costs[band_cur][ctx_cur]); |
| eob_cost0 = |
| RDCOST(rdmult, (accu_rate + next_eob_bits0), (accu_error + d2 - d0)); |
| eob_cost1 = eob_cost0; |
| if (x_a != 0) { |
| next_eob_bits1 = av1_get_coeff_token_cost( |
| t1, eob_v, is_first, head_token_costs[band_cur][ctx_cur], |
| tail_token_costs[band_cur][ctx_cur]); |
| eob_cost1 = RDCOST(rdmult, (accu_rate + next_eob_bits1), |
| (accu_error + d2_a - d0)); |
| best_eob_x = (eob_cost1 < eob_cost0); |
| } else { |
| best_eob_x = 0; |
| } |
| |
| const int dqc = dqcoeff[rc]; |
| int dqc_a = 0; |
| if (best_x || best_eob_x) { |
| if (x_a != 0) { |
| #if CONFIG_NEW_QUANT |
| dqc_a = av1_dequant_abscoeff_nuq(abs(x_a), dqv, |
| dequant_val[band_translate[i]]); |
| dqc_a = shift ? ROUND_POWER_OF_TWO(dqc_a, shift) : dqc_a; |
| if (sz) dqc_a = -dqc_a; |
| #else |
| if (x_a < 0) |
| dqc_a = -((-x_a * dqv) >> shift); |
| else |
| dqc_a = (x_a * dqv) >> shift; |
| #endif // CONFIG_NEW_QUANT |
| } else { |
| dqc_a = 0; |
| } // if (x_a != 0) |
| } |
| |
| // record the better quantized value |
| if (best_x) { |
| assert(d2_a <= d0); |
| qcoeff[rc] = x_a; |
| dqcoeff[rc] = dqc_a; |
| accu_rate += rate1; |
| accu_error += d2_a - d0; |
| token_cache[rc] = av1_pt_energy_class[t1]; |
| } else { |
| assert(d2 <= d0); |
| accu_rate += rate0; |
| accu_error += d2 - d0; |
| token_cache[rc] = av1_pt_energy_class[t0]; |
| } |
| assert(accu_error >= 0); |
| |
| // determine whether to move the eob position to i+1 |
| const int use_a = (x_a != 0) && (best_eob_x); |
| const int64_t best_eob_cost_i = use_a ? eob_cost1 : eob_cost0; |
| if (best_eob_cost_i < best_block_rd_cost) { |
| best_block_rd_cost = best_eob_cost_i; |
| final_eob = i + 1; |
| if (use_a) { |
| before_best_eob_qc = x_a; |
| before_best_eob_dqc = dqc_a; |
| } else { |
| before_best_eob_qc = x; |
| before_best_eob_dqc = dqc; |
| } |
| } |
| } // if (x==0) |
| } // for (i) |
| |
| assert(final_eob <= eob); |
| if (final_eob > 0) { |
| assert(before_best_eob_qc != 0); |
| i = final_eob - 1; |
| int 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; |
| } |
| |
| p->eobs[block] = final_eob; |
| return final_eob; |
| } |
| #endif // !CONFIG_LV_MAP |
| |
| int av1_optimize_b(const AV1_COMMON *cm, MACROBLOCK *mb, int plane, int blk_row, |
| int blk_col, int block, BLOCK_SIZE plane_bsize, |
| TX_SIZE tx_size, const ENTROPY_CONTEXT *a, |
| const ENTROPY_CONTEXT *l) { |
| MACROBLOCKD *const xd = &mb->e_mbd; |
| struct macroblock_plane *const p = &mb->plane[plane]; |
| const int eob = p->eobs[block]; |
| assert((mb->qindex == 0) ^ (xd->lossless[xd->mi[0]->mbmi.segment_id] == 0)); |
| if (eob == 0) return eob; |
| if (xd->lossless[xd->mi[0]->mbmi.segment_id]) return eob; |
| |
| #if CONFIG_PVQ |
| (void)cm; |
| (void)tx_size; |
| (void)a; |
| (void)l; |
| return eob; |
| #endif |
| |
| #if !CONFIG_LV_MAP |
| (void)plane_bsize; |
| (void)blk_row; |
| (void)blk_col; |
| #if CONFIG_VAR_TX |
| int ctx = get_entropy_context(tx_size, a, l); |
| #else |
| int ctx = combine_entropy_contexts(*a, *l); |
| #endif // CONFIG_VAR_TX |
| return optimize_b_greedy(cm, mb, plane, blk_row, blk_col, block, tx_size, |
| ctx); |
| #else // !CONFIG_LV_MAP |
| TXB_CTX txb_ctx; |
| get_txb_ctx(plane_bsize, tx_size, plane, a, l, &txb_ctx); |
| return av1_optimize_txb(cm, mb, plane, blk_row, blk_col, block, tx_size, |
| &txb_ctx); |
| #endif // !CONFIG_LV_MAP |
| } |
| |
| #if !CONFIG_PVQ |
| 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] = { |
| #if !CONFIG_NEW_QUANT |
| { 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 }, |
| #else // !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 } |
| }; |
| #endif // !CONFIG_PVQ |
| |
| #if !CONFIG_TXMG && !CONFIG_PVQ |
| typedef void (*fwdTxfmFunc)(const int16_t *diff, tran_low_t *coeff, int stride, |
| TxfmParam *txfm_param); |
| static const fwdTxfmFunc fwd_txfm_func[2] = { av1_fwd_txfm, |
| av1_highbd_fwd_txfm }; |
| #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_DIST_8X8) |
| 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); |
| TX_TYPE tx_type = |
| av1_get_tx_type(plane_type, xd, blk_row, blk_col, block, tx_size); |
| |
| #if (CONFIG_AOM_QM || CONFIG_NEW_QUANT) && !CONFIG_PVQ |
| const int is_inter = is_inter_block(mbmi); |
| #endif |
| |
| const SCAN_ORDER *const scan_order = get_scan(cm, tx_size, tx_type, mbmi); |
| 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 && !CONFIG_PVQ |
| int seg_id = mbmi->segment_id; |
| // Use a flat matrix (i.e. no weighting) for 1D and Identity transforms |
| const qm_val_t *qmatrix = |
| IS_2D_TRANSFORM(tx_type) ? pd->seg_qmatrix[seg_id][!is_inter][tx_size] |
| : cm->gqmatrix[NUM_QM_LEVELS - 1][0][0][tx_size]; |
| const qm_val_t *iqmatrix = |
| IS_2D_TRANSFORM(tx_type) |
| ? pd->seg_iqmatrix[seg_id][!is_inter][tx_size] |
| : cm->giqmatrix[NUM_QM_LEVELS - 1][0][0][tx_size]; |
| #endif |
| |
| TxfmParam txfm_param; |
| |
| #if CONFIG_PVQ || CONFIG_DIST_8X8 || CONFIG_LGT || CONFIG_MRC_TX |
| uint8_t *dst; |
| const int dst_stride = pd->dst.stride; |
| #if CONFIG_PVQ || CONFIG_DIST_8X8 |
| int16_t *pred; |
| const int txw = tx_size_wide[tx_size]; |
| const int txh = tx_size_high[tx_size]; |
| int i, j; |
| #endif |
| #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 = av1_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)ctx; |
| (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]]; |
| |
| #if CONFIG_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| for (j = 0; j < txh; j++) |
| for (i = 0; i < txw; i++) |
| src_int16[diff_stride * j + i] = |
| CONVERT_TO_SHORTPTR(src)[src_stride * j + i]; |
| } else { |
| #endif // CONFIG_HIGHBITDEPTH |
| for (j = 0; j < txh; j++) |
| for (i = 0; i < txw; i++) |
| src_int16[diff_stride * j + i] = src[src_stride * j + i]; |
| #if CONFIG_HIGHBITDEPTH |
| } |
| #endif // CONFIG_HIGHBITDEPTH |
| #endif |
| |
| #if CONFIG_PVQ || CONFIG_DIST_8X8 || CONFIG_LGT || CONFIG_MRC_TX |
| dst = &pd->dst.buf[(blk_row * dst_stride + blk_col) << tx_size_wide_log2[0]]; |
| #endif // CONFIG_PVQ || CONFIG_DIST_8X8 || CONFIG_LGT || CONFIG_MRC_TX |
| |
| #if CONFIG_PVQ || CONFIG_DIST_8X8 |
| if (CONFIG_PVQ |
| #if CONFIG_DIST_8X8 |
| || x->using_dist_8x8 |
| #endif // CONFIG_DIST_8X8 |
| ) { |
| pred = &pd->pred[(blk_row * diff_stride + blk_col) << tx_size_wide_log2[0]]; |
| |
| // copy uint8 orig and predicted block to int16 buffer |
| // in order to use existing VP10 transform functions |
| #if CONFIG_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| for (j = 0; j < txh; j++) |
| for (i = 0; i < txw; i++) |
| pred[diff_stride * j + i] = |
| CONVERT_TO_SHORTPTR(dst)[dst_stride * j + i]; |
| } else { |
| #endif // CONFIG_HIGHBITDEPTH |
| for (j = 0; j < txh; j++) |
| for (i = 0; i < txw; i++) |
| pred[diff_stride * j + i] = dst[dst_stride * j + i]; |
| #if CONFIG_HIGHBITDEPTH |
| } |
| #endif // CONFIG_HIGHBITDEPTH |
| } |
| #endif // CONFIG_PVQ || CONFIG_DIST_8X8 |
| |
| (void)ctx; |
| |
| txfm_param.tx_type = tx_type; |
| txfm_param.tx_size = tx_size; |
| txfm_param.lossless = xd->lossless[mbmi->segment_id]; |
| #if CONFIG_MRC_TX || CONFIG_LGT |
| txfm_param.is_inter = is_inter_block(mbmi); |
| txfm_param.dst = dst; |
| txfm_param.stride = dst_stride; |
| #if CONFIG_MRC_TX |
| txfm_param.valid_mask = &mbmi->valid_mrc_mask; |
| #endif // CONFIG_MRC_TX |
| #endif // CONFIG_MRC_TX || CONFIG_LGT |
| #if CONFIG_LGT |
| txfm_param.mode = mbmi->mode; |
| #endif // CONFIG_LGT |
| |
| #if !CONFIG_PVQ |
| txfm_param.bd = xd->bd; |
| const int is_hbd = get_bitdepth_data_path_index(xd); |
| |
| #if CONFIG_TXMG |
| av1_highbd_fwd_txfm(src_diff, coeff, diff_stride, &txfm_param); |
| #else // CONFIG_TXMG |
| fwd_txfm_func[is_hbd](src_diff, coeff, diff_stride, &txfm_param); |
| #endif // CONFIG_TXMG |
| |
| if (xform_quant_idx != AV1_XFORM_QUANT_SKIP_QUANT) { |
| if (LIKELY(!x->skip_block)) { |
| quant_func_list[xform_quant_idx][is_hbd]( |
| coeff, tx2d_size, p, qcoeff, pd, dqcoeff, eob, scan_order, &qparam); |
| } else { |
| av1_quantize_skip(tx2d_size, qcoeff, dqcoeff, eob); |
| } |
| } |
| #if CONFIG_LV_MAP |
| p->txb_entropy_ctx[block] = |
| (uint8_t)av1_get_txb_entropy_context(qcoeff, scan_order, *eob); |
| #endif // CONFIG_LV_MAP |
| return; |
| #else // CONFIG_PVQ |
| (void)xform_quant_idx; |
| #if CONFIG_HIGHBITDEPTH |
| txfm_param.bd = xd->bd; |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| av1_highbd_fwd_txfm(src_int16, coeff, diff_stride, &txfm_param); |
| av1_highbd_fwd_txfm(pred, ref_coeff, diff_stride, &txfm_param); |
| } else { |
| #endif |
| av1_fwd_txfm(src_int16, coeff, diff_stride, &txfm_param); |
| av1_fwd_txfm(pred, ref_coeff, diff_stride, &txfm_param); |
| #if CONFIG_HIGHBITDEPTH |
| } |
| #endif |
| |
| // PVQ for inter mode block |
| if (!x->skip_block) { |
| PVQ_SKIP_TYPE ac_dc_coded = |
| av1_pvq_encode_helper(x, |
| 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; |
| #if !CONFIG_PVQ |
| ENTROPY_CONTEXT *a, *l; |
| #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]]; |
| |
| #if !CONFIG_PVQ |
| 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 |
| #else |
| ctx = 0; |
| #endif // CONFIG_PVQ |
| |
| #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 |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_FP); |
| } |
| #if CONFIG_VAR_TX |
| else { |
| p->eobs[block] = 0; |
| } |
| #endif |
| |
| #if !CONFIG_PVQ |
| av1_optimize_b(cm, x, plane, blk_row, blk_col, block, plane_bsize, tx_size, a, |
| l); |
| |
| av1_set_txb_context(x, plane, block, tx_size, a, l); |
| |
| if (p->eobs[block]) *(args->skip) = 0; |
| |
| if (p->eobs[block] == 0) return; |
| #else |
| (void)ctx; |
| if (!x->pvq_skip[plane]) *(args->skip) = 0; |
| |
| if (x->pvq_skip[plane]) return; |
| #endif |
| TX_TYPE tx_type = |
| av1_get_tx_type(pd->plane_type, xd, blk_row, blk_col, block, tx_size); |
| #if CONFIG_LGT |
| PREDICTION_MODE mode = xd->mi[0]->mbmi.mode; |
| av1_inverse_transform_block(xd, dqcoeff, mode, tx_type, tx_size, dst, |
| pd->dst.stride, p->eobs[block]); |
| #else |
| av1_inverse_transform_block(xd, dqcoeff, tx_type, tx_size, dst, |
| pd->dst.stride, p->eobs[block]); |
| #endif |
| } |
| |
| #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 { |
| assert(tx_size < TX_SIZES_ALL); |
| #if CONFIG_RECT_TX_EXT |
| int is_qttx = plane_tx_size == quarter_txsize_lookup[plane_bsize]; |
| const TX_SIZE sub_txs = is_qttx ? plane_tx_size : sub_tx_size_map[tx_size]; |
| if (is_qttx) assert(blk_row == 0 && blk_col == 0 && block == 0); |
| #else |
| const TX_SIZE sub_txs = sub_tx_size_map[tx_size]; |
| assert(sub_txs < tx_size); |
| #endif |
| // This is the square transform block partition entry point. |
| int bsl = tx_size_wide_unit[sub_txs]; |
| int i; |
| assert(bsl > 0); |
| |
| for (i = 0; i < 4; ++i) { |
| #if CONFIG_RECT_TX_EXT |
| int is_wide_tx = tx_size_wide_unit[sub_txs] > tx_size_high_unit[sub_txs]; |
| const int offsetr = |
| is_qttx ? (is_wide_tx ? i * tx_size_high_unit[sub_txs] : 0) |
| : blk_row + ((i >> 1) * bsl); |
| const int offsetc = |
| is_qttx ? (is_wide_tx ? 0 : i * tx_size_wide_unit[sub_txs]) |
| : blk_col + ((i & 0x01) * bsl); |
| #else |
| const int offsetr = blk_row + ((i >> 1) * bsl); |
| const int offsetc = blk_col + ((i & 0x01) * bsl); |
| #endif |
| 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); |
| TxfmParam txfm_param; |
| uint8_t *dst; |
| int ctx = 0; |
| dst = &pd->dst |
| .buf[(blk_row * pd->dst.stride + blk_col) << tx_size_wide_log2[0]]; |
| |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_B); |
| #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 |
| #if CONFIG_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| for (j = 0; j < tx_blk_size; j++) |
| for (i = 0; i < tx_blk_size; i++) |
| CONVERT_TO_SHORTPTR(dst)[j * pd->dst.stride + i] = 0; |
| } else { |
| #endif // CONFIG_HIGHBITDEPTH |
| for (j = 0; j < tx_blk_size; j++) |
| for (i = 0; i < tx_blk_size; i++) dst[j * pd->dst.stride + i] = 0; |
| #if CONFIG_HIGHBITDEPTH |
| } |
| #endif // CONFIG_HIGHBITDEPTH |
| } |
| #endif // !CONFIG_PVQ |
| txfm_param.bd = xd->bd; |
| txfm_param.tx_type = DCT_DCT; |
| txfm_param.eob = p->eobs[block]; |
| txfm_param.lossless = xd->lossless[xd->mi[0]->mbmi.segment_id]; |
| #if CONFIG_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| av1_highbd_inv_txfm_add_4x4(dqcoeff, dst, pd->dst.stride, &txfm_param); |
| return; |
| } |
| #endif // CONFIG_HIGHBITDEPTH |
| if (xd->lossless[xd->mi[0]->mbmi.segment_id]) { |
| av1_iwht4x4_add(dqcoeff, dst, pd->dst.stride, &txfm_param); |
| } else { |
| av1_idct4x4_add(dqcoeff, dst, pd->dst.stride, &txfm_param); |
| } |
| } |
| } |
| |
| 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, int mi_row, |
| 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 |
| const int subsampling_x = xd->plane[plane].subsampling_x; |
| const int subsampling_y = xd->plane[plane].subsampling_y; |
| |
| if (!is_chroma_reference(mi_row, mi_col, bsize, subsampling_x, |
| subsampling_y)) |
| continue; |
| |
| bsize = scale_chroma_bsize(bsize, subsampling_x, subsampling_y); |
| #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 = get_vartx_max_txsize(mbmi, 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 = av1_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 |
| const BLOCK_SIZE max_unit_bsize = get_plane_block_size(BLOCK_64X64, pd); |
| int mu_blocks_wide = |
| block_size_wide[max_unit_bsize] >> tx_size_wide_log2[0]; |
| int mu_blocks_high = |
| block_size_high[max_unit_bsize] >> tx_size_high_log2[0]; |
| |
| mu_blocks_wide = AOMMIN(mi_width, mu_blocks_wide); |
| mu_blocks_high = AOMMIN(mi_height, mu_blocks_high); |
| |
| for (idy = 0; idy < mi_height; idy += mu_blocks_high) { |
| for (idx = 0; idx < mi_width; idx += mu_blocks_wide) { |
| int blk_row, blk_col; |
| const int unit_height = AOMMIN(mu_blocks_high + idy, mi_height); |
| const int unit_width = AOMMIN(mu_blocks_wide + idx, mi_width); |
| for (blk_row = idy; blk_row < unit_height; blk_row += bh) { |
| for (blk_col = idx; blk_col < unit_width; blk_col += bw) { |
| encode_block_inter(plane, block, blk_row, blk_col, 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 = av1_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 |
| |
| #if !CONFIG_PVQ |
| void av1_set_txb_context(MACROBLOCK *x, int plane, int block, TX_SIZE tx_size, |
| ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l) { |
| (void)tx_size; |
| struct macroblock_plane *p = &x->plane[plane]; |
| |
| #if !CONFIG_LV_MAP |
| *a = *l = p->eobs[block] > 0; |
| #else // !CONFIG_LV_MAP |
| *a = *l = p->txb_entropy_ctx[block]; |
| #endif // !CONFIG_LV_MAP |
| |
| #if CONFIG_VAR_TX || CONFIG_LV_MAP |
| 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 |
| } |
| #endif |
| |
| static void encode_block_intra_and_set_context(int plane, int block, |
| int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, |
| TX_SIZE tx_size, void *arg) { |
| av1_encode_block_intra(plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| arg); |
| #if !CONFIG_PVQ |
| struct encode_b_args *const args = arg; |
| MACROBLOCK *x = args->x; |
| ENTROPY_CONTEXT *a = &args->ta[blk_col]; |
| ENTROPY_CONTEXT *l = &args->tl[blk_row]; |
| av1_set_txb_context(x, plane, block, tx_size, a, l); |
| #endif |
| } |
| |
| 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; |
| 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 TX_TYPE tx_type = |
| av1_get_tx_type(plane_type, xd, blk_row, blk_col, block, tx_size); |
| uint16_t *eob = &p->eobs[block]; |
| const int dst_stride = pd->dst.stride; |
| uint8_t *dst = |
| &pd->dst.buf[(blk_row * dst_stride + blk_col) << tx_size_wide_log2[0]]; |
| |
| av1_predict_intra_block_facade(xd, plane, block, blk_col, blk_row, tx_size); |
| |
| av1_subtract_txb(x, plane, plane_bsize, blk_col, blk_row, tx_size); |
| |
| const ENTROPY_CONTEXT *a = &args->ta[blk_col]; |
| const ENTROPY_CONTEXT *l = &args->tl[blk_row]; |
| int ctx = combine_entropy_contexts(*a, *l); |
| if (args->enable_optimize_b) { |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_FP); |
| av1_optimize_b(cm, x, plane, blk_row, blk_col, block, plane_bsize, tx_size, |
| a, l); |
| } else { |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, |
| ctx, AV1_XFORM_QUANT_B); |
| } |
| |
| #if CONFIG_PVQ |
| // *(args->skip) == mbmi->skip |
| if (!x->pvq_skip[plane]) *(args->skip) = 0; |
| |
| if (x->pvq_skip[plane]) return; |
| #endif // CONFIG_PVQ |
| av1_inverse_transform_block(xd, dqcoeff, |
| #if CONFIG_LGT |
| xd->mi[0]->mbmi.mode, |
| #endif |
| tx_type, tx_size, dst, dst_stride, *eob); |
| #if !CONFIG_PVQ |
| if (*eob) *(args->skip) = 0; |
| #else |
| // Note : *(args->skip) == mbmi->skip |
| #endif |
| #if CONFIG_CFL |
| if (plane == AOM_PLANE_Y && xd->cfl->store_y) { |
| // TODO (ltrudeau) Store sub-8x8 inter blocks when bottom right block is |
| // intra predicted. |
| cfl_store(xd->cfl, dst, dst_stride, blk_row, blk_col, tx_size, plane_bsize); |
| } |
| #endif |
| } |
| |
| void av1_encode_intra_block_plane(AV1_COMMON *cm, MACROBLOCK *x, |
| BLOCK_SIZE bsize, int plane, |
| int enable_optimize_b, int mi_row, |
| 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 (!is_chroma_reference(mi_row, mi_col, bsize, |
| xd->plane[plane].subsampling_x, |
| xd->plane[plane].subsampling_y)) |
| 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 = av1_get_tx_size(plane, xd); |
| av1_get_entropy_contexts(bsize, tx_size, pd, ta, tl); |
| } |
| av1_foreach_transformed_block_in_plane( |
| xd, bsize, plane, encode_block_intra_and_set_context, &arg); |
| } |
| |
| #if CONFIG_PVQ |
| PVQ_SKIP_TYPE av1_pvq_encode_helper(MACROBLOCK *x, 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]; |
| daala_enc_ctx *daala_enc = &x->daala_enc; |
| PVQ_SKIP_TYPE ac_dc_coded; |
| int coeff_shift = 3 - av1_get_tx_scale(tx_size); |
| int hbd_downshift = 0; |
| 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]); |
| |
| hbd_downshift = x->e_mbd.bd - 8; |
| |
| assert(OD_COEFF_SHIFT >= 4); |
| // DC quantizer for PVQ |
| if (use_activity_masking) |
| pvq_dc_quant = |
| OD_MAXI(1, (quant[0] << (OD_COEFF_SHIFT - 3) >> hbd_downshift) * |
| 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) >> hbd_downshift); |
| |
| *eob = 0; |
| |
| #if !CONFIG_ANS |
| tell = od_ec_enc_tell_frac(&daala_enc->w.ec); |
| #else |
| #error "CONFIG_PVQ currently requires !CONFIG_ANS." |
| #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) >> |
| hbd_downshift; |
| in_int32[i] = AOM_SIGNED_SHL(coeff_pvq[i], OD_COEFF_SHIFT - coeff_shift) >> |
| hbd_downshift; |
| } |
| |
| 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, |
| OD_MAXI(1, quant[0] << (OD_COEFF_SHIFT - 3) >> |
| hbd_downshift), // scale/quantizer |
| OD_MAXI(1, quant[1] << (OD_COEFF_SHIFT - 3) >> |
| hbd_downshift), // scale/quantizer |
| plane, |
| tx_size, OD_PVQ_BETA[use_activity_masking][plane][tx_size], |
| 0, // is_keyframe, |
| 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, |
| &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++) { |
| out_int32[i] = AOM_SIGNED_SHL(out_int32[i], hbd_downshift); |
| 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_ANS |
| *rate = (od_ec_enc_tell_frac(&daala_enc->w.ec) - tell) |
| << (AV1_PROB_COST_SHIFT - OD_BITRES); |
| #else |
| #error "CONFIG_PVQ currently requires !CONFIG_ANS." |
| #endif |
| assert(*rate >= 0); |
| |
| return ac_dc_coded; |
| } |
| |
| void av1_store_pvq_enc_info(PVQ_INFO *pvq_info, int *qg, int *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->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 |
