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diff --git a/third_party/aom/av1/encoder/encodemb.c b/third_party/aom/av1/encoder/encodemb.c
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+/*
+ * 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 (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;
+ }
+ aom_subtract_block_c(rows, cols, diff, diff_stride, src8, src_stride, pred8,
+ pred_stride);
+
+ return;
+ }
+
+ 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;
+ }
+ 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);
+}
+
+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 },
+ { 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;
+ 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 = get_bitdepth_data_path_index(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) {
+ 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->frame_offset, 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 = get_bitdepth_data_path_index(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) {
+ 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);
+}