| /* |
| * 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 "config/aom_config.h" |
| #include "config/av1_rtcd.h" |
| #include "config/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" |
| |
| #if CONFIG_BITSTREAM_DEBUG || CONFIG_MISMATCH_DEBUG |
| #include "aom_util/debug_util.h" |
| #endif // CONFIG_BITSTREAM_DEBUG || CONFIG_MISMATCH_DEBUG |
| |
| #include "av1/common/cfl.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/encodetxb.h" |
| #include "av1/encoder/hybrid_fwd_txfm.h" |
| #include "av1/encoder/rd.h" |
| #include "av1/encoder/rdopt.h" |
| |
| // 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 (check_subtract_block_size(rows, cols)) { |
| if (is_cur_buf_hbd(xd)) { |
| aom_highbd_subtract_block_c(rows, cols, diff, diff_stride, src8, |
| src_stride, pred8, pred_stride, xd->bd); |
| return; |
| } |
| aom_subtract_block_c(rows, cols, diff, diff_stride, src8, src_stride, pred8, |
| pred_stride); |
| |
| return; |
| } |
| |
| if (is_cur_buf_hbd(xd)) { |
| aom_highbd_subtract_block(rows, cols, diff, diff_stride, src8, src_stride, |
| pred8, pred_stride, xd->bd); |
| return; |
| } |
| 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->subsampling_x, pd->subsampling_y); |
| 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); |
| } |
| |
| int av1_optimize_b(const struct AV1_COMP *cpi, MACROBLOCK *mb, int plane, |
| int block, TX_SIZE tx_size, TX_TYPE tx_type, |
| const TXB_CTX *const txb_ctx, int fast_mode, |
| int *rate_cost) { |
| MACROBLOCKD *const xd = &mb->e_mbd; |
| struct macroblock_plane *const p = &mb->plane[plane]; |
| const int eob = p->eobs[block]; |
| const int segment_id = xd->mi[0]->segment_id; |
| |
| if (eob == 0 || !cpi->optimize_seg_arr[segment_id] || |
| xd->lossless[segment_id]) { |
| *rate_cost = av1_cost_skip_txb(mb, txb_ctx, plane, tx_size); |
| return eob; |
| } |
| |
| (void)fast_mode; |
| return av1_optimize_txb_new(cpi, mb, plane, block, tx_size, tx_type, txb_ctx, |
| rate_cost, cpi->oxcf.sharpness); |
| } |
| |
| enum { |
| QUANT_FUNC_LOWBD = 0, |
| QUANT_FUNC_HIGHBD = 1, |
| QUANT_FUNC_TYPES = 2 |
| } UENUM1BYTE(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 }, |
| { NULL, NULL } |
| }; |
| |
| 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, TX_TYPE tx_type, |
| AV1_XFORM_QUANT xform_quant_idx) { |
| MACROBLOCKD *const xd = &x->e_mbd; |
| MB_MODE_INFO *const mbmi = xd->mi[0]; |
| const struct macroblock_plane *const p = &x->plane[plane]; |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const SCAN_ORDER *const scan_order = get_scan(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 = block_size_wide[plane_bsize]; |
| int seg_id = mbmi->segment_id; |
| const TX_SIZE qm_tx_size = av1_get_adjusted_tx_size(tx_size); |
| // 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][qm_tx_size] |
| : cm->gqmatrix[NUM_QM_LEVELS - 1][0][qm_tx_size]; |
| const qm_val_t *iqmatrix = |
| IS_2D_TRANSFORM(tx_type) |
| ? pd->seg_iqmatrix[seg_id][qm_tx_size] |
| : cm->giqmatrix[NUM_QM_LEVELS - 1][0][qm_tx_size]; |
| |
| const int src_offset = (blk_row * diff_stride + blk_col); |
| const int16_t *src_diff = &p->src_diff[src_offset << tx_size_wide_log2[0]]; |
| QUANT_PARAM qparam; |
| qparam.log_scale = av1_get_tx_scale(tx_size); |
| qparam.tx_size = tx_size; |
| qparam.qmatrix = qmatrix; |
| qparam.iqmatrix = iqmatrix; |
| qparam.use_quant_b_adapt = cm->use_quant_b_adapt; |
| TxfmParam txfm_param; |
| txfm_param.tx_type = tx_type; |
| txfm_param.tx_size = tx_size; |
| txfm_param.lossless = xd->lossless[mbmi->segment_id]; |
| txfm_param.tx_set_type = av1_get_ext_tx_set_type( |
| txfm_param.tx_size, is_inter_block(mbmi), cm->reduced_tx_set_used); |
| |
| txfm_param.bd = xd->bd; |
| txfm_param.is_hbd = is_cur_buf_hbd(xd); |
| |
| av1_fwd_txfm(src_diff, coeff, diff_stride, &txfm_param); |
| |
| if (xform_quant_idx != AV1_XFORM_QUANT_SKIP_QUANT) { |
| const int n_coeffs = av1_get_max_eob(tx_size); |
| if (LIKELY(!x->skip_block)) { |
| quant_func_list[xform_quant_idx][txfm_param.is_hbd]( |
| coeff, n_coeffs, p, qcoeff, dqcoeff, eob, scan_order, &qparam); |
| } else { |
| av1_quantize_skip(n_coeffs, qcoeff, dqcoeff, eob); |
| } |
| } |
| // NOTE: optimize_b_following is ture means av1_optimze_b will be called |
| // When the condition of doing optimize_b is changed, |
| // this flag need update simultaneously |
| const int optimize_b_following = |
| (xform_quant_idx != AV1_XFORM_QUANT_FP) || (txfm_param.lossless); |
| if (optimize_b_following) { |
| p->txb_entropy_ctx[block] = |
| (uint8_t)av1_get_txb_entropy_context(qcoeff, scan_order, *eob); |
| } else { |
| p->txb_entropy_ctx[block] = 0; |
| } |
| return; |
| } |
| |
| static void encode_block(int plane, int block, int blk_row, int blk_col, |
| BLOCK_SIZE plane_bsize, TX_SIZE tx_size, void *arg, |
| int mi_row, int mi_col, RUN_TYPE dry_run) { |
| (void)mi_row; |
| (void)mi_col; |
| (void)dry_run; |
| struct encode_b_args *const args = arg; |
| const AV1_COMMON *const cm = &args->cpi->common; |
| MACROBLOCK *const x = args->x; |
| MACROBLOCKD *const xd = &x->e_mbd; |
| MB_MODE_INFO *mbmi = xd->mi[0]; |
| 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; |
| int dummy_rate_cost = 0; |
| |
| const int bw = block_size_wide[plane_bsize] >> tx_size_wide_log2[0]; |
| 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 (!is_blk_skip(x, plane, blk_row * bw + blk_col) && !mbmi->skip_mode) { |
| TX_TYPE tx_type = av1_get_tx_type(pd->plane_type, xd, blk_row, blk_col, |
| tx_size, cm->reduced_tx_set_used); |
| if (args->enable_optimize_b != NO_TRELLIS_OPT) { |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, |
| tx_size, tx_type, AV1_XFORM_QUANT_FP); |
| TXB_CTX txb_ctx; |
| get_txb_ctx(plane_bsize, tx_size, plane, a, l, &txb_ctx); |
| av1_optimize_b(args->cpi, x, plane, block, tx_size, tx_type, &txb_ctx, 1, |
| &dummy_rate_cost); |
| } else { |
| av1_xform_quant( |
| cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, tx_type, |
| USE_B_QUANT_NO_TRELLIS ? AV1_XFORM_QUANT_B : AV1_XFORM_QUANT_FP); |
| } |
| } else { |
| p->eobs[block] = 0; |
| p->txb_entropy_ctx[block] = 0; |
| } |
| |
| av1_set_txb_context(x, plane, block, tx_size, a, l); |
| |
| if (p->eobs[block]) { |
| *(args->skip) = 0; |
| |
| TX_TYPE tx_type = av1_get_tx_type(pd->plane_type, xd, blk_row, blk_col, |
| tx_size, cm->reduced_tx_set_used); |
| av1_inverse_transform_block(xd, dqcoeff, plane, tx_type, tx_size, dst, |
| pd->dst.stride, p->eobs[block], |
| cm->reduced_tx_set_used); |
| } |
| |
| if (p->eobs[block] == 0 && plane == 0) { |
| // TODO(debargha, jingning): Temporarily disable txk_type check for eob=0 |
| // case. It is possible that certain collision in hash index would cause |
| // the assertion failure. To further optimize the rate-distortion |
| // performance, we need to re-visit this part and enable this assert |
| // again. |
| #if 0 |
| if (args->cpi->oxcf.aq_mode == NO_AQ && |
| args->cpi->oxcf.deltaq_mode == NO_DELTA_Q) { |
| // TODO(jingning,angiebird,huisu@google.com): enable txk_check when |
| // enable_optimize_b is true to detect potential RD bug. |
| const uint8_t disable_txk_check = args->enable_optimize_b; |
| if (!disable_txk_check) { |
| assert(mbmi->txk_type[av1_get_txk_type_index(plane_bsize, blk_row, |
| blk_col)] == DCT_DCT); |
| } |
| } |
| #endif |
| update_txk_array(mbmi->txk_type, plane_bsize, blk_row, blk_col, tx_size, |
| DCT_DCT); |
| } |
| |
| #if CONFIG_MISMATCH_DEBUG |
| if (dry_run == OUTPUT_ENABLED) { |
| int pixel_c, pixel_r; |
| BLOCK_SIZE bsize = txsize_to_bsize[tx_size]; |
| int blk_w = block_size_wide[bsize]; |
| int blk_h = block_size_high[bsize]; |
| mi_to_pixel_loc(&pixel_c, &pixel_r, mi_col, mi_row, blk_col, blk_row, |
| pd->subsampling_x, pd->subsampling_y); |
| mismatch_record_block_tx(dst, pd->dst.stride, cm->current_frame.order_hint, |
| plane, pixel_c, pixel_r, blk_w, blk_h, |
| xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH); |
| } |
| #endif |
| } |
| |
| 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, int mi_row, int mi_col, |
| RUN_TYPE dry_run) { |
| (void)mi_row; |
| (void)mi_col; |
| 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]; |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| 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; |
| |
| const TX_SIZE plane_tx_size = |
| plane ? av1_get_max_uv_txsize(mbmi->sb_type, pd->subsampling_x, |
| pd->subsampling_y) |
| : mbmi->inter_tx_size[av1_get_txb_size_index(plane_bsize, blk_row, |
| blk_col)]; |
| if (!plane) { |
| assert(tx_size_wide[tx_size] >= tx_size_wide[plane_tx_size] && |
| tx_size_high[tx_size] >= tx_size_high[plane_tx_size]); |
| } |
| |
| if (tx_size == plane_tx_size || plane) { |
| encode_block(plane, block, blk_row, blk_col, plane_bsize, tx_size, arg, |
| mi_row, mi_col, dry_run); |
| } else { |
| assert(tx_size < TX_SIZES_ALL); |
| const TX_SIZE sub_txs = sub_tx_size_map[tx_size]; |
| assert(IMPLIES(tx_size <= TX_4X4, sub_txs == tx_size)); |
| assert(IMPLIES(tx_size > TX_4X4, sub_txs < tx_size)); |
| // This is the square transform block partition entry point. |
| const int bsw = tx_size_wide_unit[sub_txs]; |
| const int bsh = tx_size_high_unit[sub_txs]; |
| const int step = bsh * bsw; |
| assert(bsw > 0 && bsh > 0); |
| |
| for (int row = 0; row < tx_size_high_unit[tx_size]; row += bsh) { |
| for (int col = 0; col < tx_size_wide_unit[tx_size]; col += bsw) { |
| const int offsetr = blk_row + row; |
| const int offsetc = blk_col + col; |
| |
| if (offsetr >= max_blocks_high || offsetc >= max_blocks_wide) continue; |
| |
| encode_block_inter(plane, block, offsetr, offsetc, plane_bsize, sub_txs, |
| arg, mi_row, mi_col, dry_run); |
| block += step; |
| } |
| } |
| } |
| } |
| |
| void av1_foreach_transformed_block_in_plane( |
| const MACROBLOCKD *const xd, BLOCK_SIZE bsize, int plane, |
| foreach_transformed_block_visitor visit, void *arg) { |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| // block and transform sizes, in number of 4x4 blocks log 2 ("*_b") |
| // 4x4=0, 8x8=2, 16x16=4, 32x32=6, 64x64=8 |
| // transform size varies per plane, look it up in a common way. |
| const TX_SIZE tx_size = av1_get_tx_size(plane, xd); |
| const BLOCK_SIZE plane_bsize = |
| get_plane_block_size(bsize, pd->subsampling_x, pd->subsampling_y); |
| const uint8_t txw_unit = tx_size_wide_unit[tx_size]; |
| const uint8_t txh_unit = tx_size_high_unit[tx_size]; |
| const int step = txw_unit * txh_unit; |
| int i = 0, r, c; |
| |
| // If mb_to_right_edge is < 0 we are in a situation in which |
| // the current block size extends into the UMV and we won't |
| // visit the sub blocks that are wholly within the UMV. |
| const int max_blocks_wide = max_block_wide(xd, plane_bsize, plane); |
| const int max_blocks_high = max_block_high(xd, plane_bsize, plane); |
| |
| int blk_row, blk_col; |
| |
| const BLOCK_SIZE max_unit_bsize = |
| get_plane_block_size(BLOCK_64X64, pd->subsampling_x, pd->subsampling_y); |
| 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(max_blocks_wide, mu_blocks_wide); |
| mu_blocks_high = AOMMIN(max_blocks_high, mu_blocks_high); |
| |
| // Keep track of the row and column of the blocks we use so that we know |
| // if we are in the unrestricted motion border. |
| for (r = 0; r < max_blocks_high; r += mu_blocks_high) { |
| const int unit_height = AOMMIN(mu_blocks_high + r, max_blocks_high); |
| // Skip visiting the sub blocks that are wholly within the UMV. |
| for (c = 0; c < max_blocks_wide; c += mu_blocks_wide) { |
| const int unit_width = AOMMIN(mu_blocks_wide + c, max_blocks_wide); |
| for (blk_row = r; blk_row < unit_height; blk_row += txh_unit) { |
| for (blk_col = c; blk_col < unit_width; blk_col += txw_unit) { |
| visit(plane, i, blk_row, blk_col, plane_bsize, tx_size, arg); |
| i += step; |
| } |
| } |
| } |
| } |
| } |
| |
| void av1_foreach_transformed_block(const MACROBLOCKD *const xd, |
| BLOCK_SIZE bsize, int mi_row, int mi_col, |
| foreach_transformed_block_visitor visit, |
| void *arg, const int num_planes) { |
| for (int plane = 0; plane < num_planes; ++plane) { |
| if (!is_chroma_reference(mi_row, mi_col, bsize, |
| xd->plane[plane].subsampling_x, |
| xd->plane[plane].subsampling_y)) |
| continue; |
| av1_foreach_transformed_block_in_plane(xd, bsize, plane, visit, arg); |
| } |
| } |
| |
| 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; |
| 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, |
| DCT_DCT, AV1_XFORM_QUANT_B); |
| |
| if (p->eobs[block] > 0) { |
| txfm_param.bd = xd->bd; |
| txfm_param.is_hbd = is_cur_buf_hbd(xd); |
| txfm_param.tx_type = DCT_DCT; |
| txfm_param.tx_size = tx_size; |
| txfm_param.eob = p->eobs[block]; |
| txfm_param.lossless = xd->lossless[xd->mi[0]->segment_id]; |
| txfm_param.tx_set_type = av1_get_ext_tx_set_type( |
| txfm_param.tx_size, is_inter_block(xd->mi[0]), cm->reduced_tx_set_used); |
| if (txfm_param.is_hbd) { |
| av1_highbd_inv_txfm_add(dqcoeff, dst, pd->dst.stride, &txfm_param); |
| return; |
| } |
| av1_inv_txfm_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(const struct AV1_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, |
| int mi_row, int mi_col, RUN_TYPE dry_run) { |
| (void)dry_run; |
| const AV1_COMMON *const cm = &cpi->common; |
| const int num_planes = av1_num_planes(cm); |
| MACROBLOCKD *const xd = &x->e_mbd; |
| struct optimize_ctx ctx; |
| MB_MODE_INFO *mbmi = xd->mi[0]; |
| struct encode_b_args arg = { cpi, |
| x, |
| &ctx, |
| &mbmi->skip, |
| NULL, |
| NULL, |
| cpi->optimize_seg_arr[mbmi->segment_id] }; |
| int plane; |
| |
| mbmi->skip = 1; |
| |
| if (x->skip) return; |
| |
| for (plane = 0; plane < num_planes; ++plane) { |
| 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; |
| |
| const BLOCK_SIZE bsizec = |
| scale_chroma_bsize(bsize, subsampling_x, subsampling_y); |
| |
| // TODO(jingning): Clean this up. |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const BLOCK_SIZE plane_bsize = |
| get_plane_block_size(bsizec, pd->subsampling_x, pd->subsampling_y); |
| 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_high_log2[0]; |
| const TX_SIZE max_tx_size = get_vartx_max_txsize(xd, plane_bsize, plane); |
| |
| 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_high_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(bsizec, pd, ctx.ta[plane], ctx.tl[plane]); |
| |
| av1_subtract_plane(x, bsizec, plane); |
| |
| arg.ta = ctx.ta[plane]; |
| arg.tl = ctx.tl[plane]; |
| |
| const BLOCK_SIZE max_unit_bsize = |
| get_plane_block_size(BLOCK_64X64, pd->subsampling_x, pd->subsampling_y); |
| 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, mi_row, mi_col, dry_run); |
| block += step; |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| 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); |
| |
| 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); |
| } |
| |
| 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; |
| const AV1_COMMON *const cm = &args->cpi->common; |
| MACROBLOCK *const x = args->x; |
| MACROBLOCKD *const xd = &x->e_mbd; |
| MB_MODE_INFO *mbmi = xd->mi[0]; |
| 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, |
| tx_size, cm->reduced_tx_set_used); |
| 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]]; |
| int dummy_rate_cost = 0; |
| |
| av1_predict_intra_block_facade(cm, xd, plane, blk_col, blk_row, tx_size); |
| |
| const int bw = block_size_wide[plane_bsize] >> tx_size_wide_log2[0]; |
| if (plane == 0 && is_blk_skip(x, plane, blk_row * bw + blk_col)) { |
| *eob = 0; |
| p->txb_entropy_ctx[block] = 0; |
| } else { |
| 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]; |
| if (args->enable_optimize_b != NO_TRELLIS_OPT) { |
| av1_xform_quant(cm, x, plane, block, blk_row, blk_col, plane_bsize, |
| tx_size, tx_type, AV1_XFORM_QUANT_FP); |
| TXB_CTX txb_ctx; |
| get_txb_ctx(plane_bsize, tx_size, plane, a, l, &txb_ctx); |
| av1_optimize_b(args->cpi, x, plane, block, tx_size, tx_type, &txb_ctx, 1, |
| &dummy_rate_cost); |
| } else { |
| av1_xform_quant( |
| cm, x, plane, block, blk_row, blk_col, plane_bsize, tx_size, tx_type, |
| USE_B_QUANT_NO_TRELLIS ? AV1_XFORM_QUANT_B : AV1_XFORM_QUANT_FP); |
| } |
| } |
| |
| if (*eob) { |
| av1_inverse_transform_block(xd, dqcoeff, plane, tx_type, tx_size, dst, |
| dst_stride, *eob, cm->reduced_tx_set_used); |
| } |
| |
| if (*eob == 0 && plane == 0) { |
| // TODO(jingning): Temporarily disable txk_type check for eob=0 case. |
| // It is possible that certain collision in hash index would cause |
| // the assertion failure. To further optimize the rate-distortion |
| // performance, we need to re-visit this part and enable this assert |
| // again. |
| #if 0 |
| if (args->cpi->oxcf.aq_mode == NO_AQ |
| && args->cpi->oxcf.deltaq_mode == NO_DELTA_Q) { |
| assert(mbmi->txk_type[av1_get_txk_type_index(plane_bsize, blk_row, |
| blk_col)] == DCT_DCT); |
| } |
| #endif |
| update_txk_array(mbmi->txk_type, plane_bsize, blk_row, blk_col, tx_size, |
| DCT_DCT); |
| } |
| |
| // For intra mode, skipped blocks are so rare that transmitting skip=1 is |
| // very expensive. |
| *(args->skip) = 0; |
| |
| if (plane == AOM_PLANE_Y && xd->cfl.store_y) { |
| cfl_store_tx(xd, blk_row, blk_col, tx_size, plane_bsize); |
| } |
| } |
| |
| void av1_encode_intra_block_plane(const struct AV1_COMP *cpi, 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[MAX_MIB_SIZE] = { 0 }; |
| ENTROPY_CONTEXT tl[MAX_MIB_SIZE] = { 0 }; |
| |
| struct encode_b_args arg = { |
| cpi, x, NULL, &(xd->mi[0]->skip), ta, tl, enable_optimize_b |
| }; |
| |
| if (!is_chroma_reference(mi_row, mi_col, bsize, |
| xd->plane[plane].subsampling_x, |
| xd->plane[plane].subsampling_y)) |
| return; |
| |
| if (enable_optimize_b) { |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| av1_get_entropy_contexts(bsize, pd, ta, tl); |
| } |
| av1_foreach_transformed_block_in_plane( |
| xd, bsize, plane, encode_block_intra_and_set_context, &arg); |
| } |
