/* * 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 #include "av1/common/common.h" #include "av1/common/entropy.h" #include "av1/common/entropymode.h" #include "av1/common/entropymv.h" #include "av1/common/mvref_common.h" #include "av1/common/pred_common.h" #include "av1/common/reconinter.h" #if CONFIG_EXT_INTRA #include "av1/common/reconintra.h" #endif // CONFIG_EXT_INTRA #include "av1/common/seg_common.h" #if CONFIG_WARPED_MOTION #include "av1/common/warped_motion.h" #endif // CONFIG_WARPED_MOTION #include "av1/decoder/decodeframe.h" #include "av1/decoder/decodemv.h" #include "aom_dsp/aom_dsp_common.h" #define ACCT_STR __func__ #if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA || CONFIG_PALETTE static INLINE int read_uniform(aom_reader *r, int n) { const int l = get_unsigned_bits(n); const int m = (1 << l) - n; const int v = aom_read_literal(r, l - 1, ACCT_STR); assert(l != 0); if (v < m) return v; else return (v << 1) - m + aom_read_literal(r, 1, ACCT_STR); } #endif // CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA || CONFIG_PALETTE #if CONFIG_EC_MULTISYMBOL static PREDICTION_MODE read_intra_mode(aom_reader *r, aom_cdf_prob *cdf) { return (PREDICTION_MODE) av1_intra_mode_inv[aom_read_symbol(r, cdf, INTRA_MODES, ACCT_STR)]; } #else static PREDICTION_MODE read_intra_mode(aom_reader *r, const aom_prob *p) { return (PREDICTION_MODE)aom_read_tree(r, av1_intra_mode_tree, p, ACCT_STR); } #endif #if CONFIG_DELTA_Q static int read_delta_qindex(AV1_COMMON *cm, MACROBLOCKD *xd, aom_reader *r, MB_MODE_INFO *const mbmi, int mi_col, int mi_row) { FRAME_COUNTS *counts = xd->counts; int sign, abs, reduced_delta_qindex = 0; BLOCK_SIZE bsize = mbmi->sb_type; const int b_col = mi_col & MAX_MIB_MASK; const int b_row = mi_row & MAX_MIB_MASK; const int read_delta_q_flag = (b_col == 0 && b_row == 0); int rem_bits, thr; int i, smallval; #if CONFIG_EC_ADAPT FRAME_CONTEXT *ec_ctx = xd->tile_ctx; (void)cm; #else FRAME_CONTEXT *ec_ctx = cm->fc; #endif if ((bsize != BLOCK_LARGEST || mbmi->skip == 0) && read_delta_q_flag) { #if !CONFIG_EC_MULTISYMBOL int bit = 1; abs = 0; while (abs < DELTA_Q_SMALL && bit) { bit = aom_read(r, ec_ctx->delta_q_prob[abs], ACCT_STR); abs += bit; } #else abs = aom_read_symbol(r, ec_ctx->delta_q_cdf, DELTA_Q_PROBS + 1, ACCT_STR); #endif smallval = (abs < DELTA_Q_SMALL); if (counts) { for (i = 0; i < abs; ++i) counts->delta_q[i][1]++; if (smallval) counts->delta_q[abs][0]++; } if (!smallval) { rem_bits = aom_read_literal(r, 3, ACCT_STR); thr = (1 << rem_bits) + 1; abs = aom_read_literal(r, rem_bits, ACCT_STR) + thr; } if (abs) { sign = aom_read_bit(r, ACCT_STR); } else { sign = 1; } reduced_delta_qindex = sign ? -abs : abs; } return reduced_delta_qindex; } #if CONFIG_EXT_DELTA_Q static int read_delta_lflevel(AV1_COMMON *cm, MACROBLOCKD *xd, aom_reader *r, MB_MODE_INFO *const mbmi, int mi_col, int mi_row) { FRAME_COUNTS *counts = xd->counts; int sign, abs, reduced_delta_lflevel = 0; BLOCK_SIZE bsize = mbmi->sb_type; const int b_col = mi_col & MAX_MIB_MASK; const int b_row = mi_row & MAX_MIB_MASK; const int read_delta_lf_flag = (b_col == 0 && b_row == 0); int rem_bits, thr; int i, smallval; #if CONFIG_EC_ADAPT FRAME_CONTEXT *ec_ctx = xd->tile_ctx; (void)cm; #else FRAME_CONTEXT *ec_ctx = cm->fc; #endif if ((bsize != BLOCK_64X64 || mbmi->skip == 0) && read_delta_lf_flag) { #if !CONFIG_EC_MULTISYMBOL int bit = 1; abs = 0; while (abs < DELTA_LF_SMALL && bit) { bit = aom_read(r, ec_ctx->delta_lf_prob[abs], ACCT_STR); abs += bit; } #else abs = aom_read_symbol(r, ec_ctx->delta_lf_cdf, DELTA_LF_PROBS + 1, ACCT_STR); #endif smallval = (abs < DELTA_LF_SMALL); if (counts) { for (i = 0; i < abs; ++i) counts->delta_lf[i][1]++; if (smallval) counts->delta_lf[abs][0]++; } if (!smallval) { rem_bits = aom_read_literal(r, 3, ACCT_STR); thr = (1 << rem_bits) + 1; abs = aom_read_literal(r, rem_bits, ACCT_STR) + thr; } if (abs) { sign = aom_read_bit(r, ACCT_STR); } else { sign = 1; } reduced_delta_lflevel = sign ? -abs : abs; } return reduced_delta_lflevel; } #endif #endif static PREDICTION_MODE read_intra_mode_y(AV1_COMMON *cm, MACROBLOCKD *xd, aom_reader *r, int size_group) { #if CONFIG_EC_ADAPT FRAME_CONTEXT *ec_ctx = xd->tile_ctx; #elif CONFIG_EC_MULTISYMBOL FRAME_CONTEXT *ec_ctx = cm->fc; #endif const PREDICTION_MODE y_mode = #if CONFIG_EC_MULTISYMBOL read_intra_mode(r, ec_ctx->y_mode_cdf[size_group]); #else read_intra_mode(r, cm->fc->y_mode_prob[size_group]); #endif FRAME_COUNTS *counts = xd->counts; #if CONFIG_EC_ADAPT (void)cm; #endif if (counts) ++counts->y_mode[size_group][y_mode]; return y_mode; } static PREDICTION_MODE read_intra_mode_uv(AV1_COMMON *cm, MACROBLOCKD *xd, aom_reader *r, PREDICTION_MODE y_mode) { #if CONFIG_EC_ADAPT FRAME_CONTEXT *ec_ctx = xd->tile_ctx; #elif CONFIG_EC_MULTISYMBOL FRAME_CONTEXT *ec_ctx = cm->fc; #endif const PREDICTION_MODE uv_mode = #if CONFIG_EC_MULTISYMBOL read_intra_mode(r, ec_ctx->uv_mode_cdf[y_mode]); #else read_intra_mode(r, cm->fc->uv_mode_prob[y_mode]); #endif FRAME_COUNTS *counts = xd->counts; #if CONFIG_EC_ADAPT (void)cm; #endif if (counts) ++counts->uv_mode[y_mode][uv_mode]; return uv_mode; } #if CONFIG_EXT_INTER static INTERINTRA_MODE read_interintra_mode(AV1_COMMON *cm, MACROBLOCKD *xd, aom_reader *r, int size_group) { const INTERINTRA_MODE ii_mode = (INTERINTRA_MODE)aom_read_tree( r, av1_interintra_mode_tree, cm->fc->interintra_mode_prob[size_group], ACCT_STR); FRAME_COUNTS *counts = xd->counts; if (counts) ++counts->interintra_mode[size_group][ii_mode]; return ii_mode; } #endif // CONFIG_EXT_INTER static PREDICTION_MODE read_inter_mode(FRAME_CONTEXT *ec_ctx, MACROBLOCKD *xd, aom_reader *r, int16_t ctx) { #if CONFIG_REF_MV FRAME_COUNTS *counts = xd->counts; int16_t mode_ctx = ctx & NEWMV_CTX_MASK; aom_prob mode_prob = ec_ctx->newmv_prob[mode_ctx]; if (aom_read(r, mode_prob, ACCT_STR) == 0) { if (counts) ++counts->newmv_mode[mode_ctx][0]; return NEWMV; } if (counts) ++counts->newmv_mode[mode_ctx][1]; if (ctx & (1 << ALL_ZERO_FLAG_OFFSET)) return ZEROMV; mode_ctx = (ctx >> ZEROMV_OFFSET) & ZEROMV_CTX_MASK; mode_prob = ec_ctx->zeromv_prob[mode_ctx]; if (aom_read(r, mode_prob, ACCT_STR) == 0) { if (counts) ++counts->zeromv_mode[mode_ctx][0]; return ZEROMV; } if (counts) ++counts->zeromv_mode[mode_ctx][1]; mode_ctx = (ctx >> REFMV_OFFSET) & REFMV_CTX_MASK; if (ctx & (1 << SKIP_NEARESTMV_OFFSET)) mode_ctx = 6; if (ctx & (1 << SKIP_NEARMV_OFFSET)) mode_ctx = 7; if (ctx & (1 << SKIP_NEARESTMV_SUB8X8_OFFSET)) mode_ctx = 8; mode_prob = ec_ctx->refmv_prob[mode_ctx]; if (aom_read(r, mode_prob, ACCT_STR) == 0) { if (counts) ++counts->refmv_mode[mode_ctx][0]; return NEARESTMV; } else { if (counts) ++counts->refmv_mode[mode_ctx][1]; return NEARMV; } // Invalid prediction mode. assert(0); #else #if CONFIG_EC_MULTISYMBOL const int mode = av1_inter_mode_inv[aom_read_symbol( r, ec_ctx->inter_mode_cdf[ctx], INTER_MODES, ACCT_STR)]; #else const int mode = aom_read_tree(r, av1_inter_mode_tree, ec_ctx->inter_mode_probs[ctx], ACCT_STR); #endif FRAME_COUNTS *counts = xd->counts; if (counts) ++counts->inter_mode[ctx][mode]; return NEARESTMV + mode; #endif } #if CONFIG_REF_MV static void read_drl_idx(const AV1_COMMON *cm, MACROBLOCKD *xd, MB_MODE_INFO *mbmi, aom_reader *r) { uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame); mbmi->ref_mv_idx = 0; #if CONFIG_EXT_INTER if (mbmi->mode == NEWMV || mbmi->mode == NEW_NEWMV) { #else if (mbmi->mode == NEWMV) { #endif int idx; for (idx = 0; idx < 2; ++idx) { if (xd->ref_mv_count[ref_frame_type] > idx + 1) { uint8_t drl_ctx = av1_drl_ctx(xd->ref_mv_stack[ref_frame_type], idx); aom_prob drl_prob = cm->fc->drl_prob[drl_ctx]; if (!aom_read(r, drl_prob, ACCT_STR)) { mbmi->ref_mv_idx = idx; if (xd->counts) ++xd->counts->drl_mode[drl_ctx][0]; return; } mbmi->ref_mv_idx = idx + 1; if (xd->counts) ++xd->counts->drl_mode[drl_ctx][1]; } } } if (have_nearmv_in_inter_mode(mbmi->mode)) { int idx; // Offset the NEARESTMV mode. // TODO(jingning): Unify the two syntax decoding loops after the NEARESTMV // mode is factored in. for (idx = 1; idx < 3; ++idx) { if (xd->ref_mv_count[ref_frame_type] > idx + 1) { uint8_t drl_ctx = av1_drl_ctx(xd->ref_mv_stack[ref_frame_type], idx); aom_prob drl_prob = cm->fc->drl_prob[drl_ctx]; if (!aom_read(r, drl_prob, ACCT_STR)) { mbmi->ref_mv_idx = idx - 1; if (xd->counts) ++xd->counts->drl_mode[drl_ctx][0]; return; } mbmi->ref_mv_idx = idx; if (xd->counts) ++xd->counts->drl_mode[drl_ctx][1]; } } } } #endif #if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION static MOTION_MODE read_motion_mode(AV1_COMMON *cm, MACROBLOCKD *xd, MODE_INFO *mi, aom_reader *r) { MB_MODE_INFO *mbmi = &mi->mbmi; const MOTION_MODE last_motion_mode_allowed = motion_mode_allowed( #if CONFIG_GLOBAL_MOTION && SEPARATE_GLOBAL_MOTION 0, xd->global_motion, #endif // CONFIG_GLOBAL_MOTION && SEPARATE_GLOBAL_MOTION mi); int motion_mode; FRAME_COUNTS *counts = xd->counts; if (last_motion_mode_allowed == SIMPLE_TRANSLATION) return SIMPLE_TRANSLATION; #if CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION if (last_motion_mode_allowed == OBMC_CAUSAL) { motion_mode = aom_read(r, cm->fc->obmc_prob[mbmi->sb_type], ACCT_STR); if (counts) ++counts->obmc[mbmi->sb_type][motion_mode]; return (MOTION_MODE)(SIMPLE_TRANSLATION + motion_mode); } else { #endif // CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION motion_mode = aom_read_tree(r, av1_motion_mode_tree, cm->fc->motion_mode_prob[mbmi->sb_type], ACCT_STR); if (counts) ++counts->motion_mode[mbmi->sb_type][motion_mode]; return (MOTION_MODE)(SIMPLE_TRANSLATION + motion_mode); #if CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION } #endif // CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION } #endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION #if CONFIG_EXT_INTER static PREDICTION_MODE read_inter_compound_mode(AV1_COMMON *cm, MACROBLOCKD *xd, aom_reader *r, int16_t ctx) { const int mode = aom_read_tree(r, av1_inter_compound_mode_tree, cm->fc->inter_compound_mode_probs[ctx], ACCT_STR); FRAME_COUNTS *counts = xd->counts; if (counts) ++counts->inter_compound_mode[ctx][mode]; assert(is_inter_compound_mode(NEAREST_NEARESTMV + mode)); return NEAREST_NEARESTMV + mode; } #endif // CONFIG_EXT_INTER static int read_segment_id(aom_reader *r, struct segmentation_probs *segp) { #if CONFIG_EC_MULTISYMBOL return aom_read_symbol(r, segp->tree_cdf, MAX_SEGMENTS, ACCT_STR); #else return aom_read_tree(r, av1_segment_tree, segp->tree_probs, ACCT_STR); #endif } #if CONFIG_VAR_TX static void read_tx_size_vartx(AV1_COMMON *cm, MACROBLOCKD *xd, MB_MODE_INFO *mbmi, FRAME_COUNTS *counts, TX_SIZE tx_size, int depth, int blk_row, int blk_col, aom_reader *r) { int is_split = 0; const int tx_row = blk_row >> 1; const int tx_col = blk_col >> 1; const int max_blocks_high = max_block_high(xd, mbmi->sb_type, 0); const int max_blocks_wide = max_block_wide(xd, mbmi->sb_type, 0); int ctx = txfm_partition_context(xd->above_txfm_context + tx_col, xd->left_txfm_context + tx_row, mbmi->sb_type, tx_size); TX_SIZE(*const inter_tx_size) [MAX_MIB_SIZE] = (TX_SIZE(*)[MAX_MIB_SIZE]) & mbmi->inter_tx_size[tx_row][tx_col]; if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return; if (depth == MAX_VARTX_DEPTH) { int idx, idy; inter_tx_size[0][0] = tx_size; for (idy = 0; idy < tx_size_high_unit[tx_size] / 2; ++idy) for (idx = 0; idx < tx_size_wide_unit[tx_size] / 2; ++idx) inter_tx_size[idy][idx] = tx_size; mbmi->tx_size = tx_size; mbmi->min_tx_size = AOMMIN(mbmi->min_tx_size, get_min_tx_size(tx_size)); if (counts) ++counts->txfm_partition[ctx][0]; txfm_partition_update(xd->above_txfm_context + tx_col, xd->left_txfm_context + tx_row, tx_size, tx_size); return; } is_split = aom_read(r, cm->fc->txfm_partition_prob[ctx], ACCT_STR); if (is_split) { const TX_SIZE sub_txs = sub_tx_size_map[tx_size]; const int bsl = tx_size_wide_unit[sub_txs]; int i; if (counts) ++counts->txfm_partition[ctx][1]; if (tx_size == TX_8X8) { int idx, idy; inter_tx_size[0][0] = sub_txs; for (idy = 0; idy < tx_size_high_unit[tx_size] / 2; ++idy) for (idx = 0; idx < tx_size_wide_unit[tx_size] / 2; ++idx) inter_tx_size[idy][idx] = inter_tx_size[0][0]; mbmi->tx_size = sub_txs; mbmi->min_tx_size = get_min_tx_size(mbmi->tx_size); txfm_partition_update(xd->above_txfm_context + tx_col, xd->left_txfm_context + tx_row, sub_txs, tx_size); return; } assert(bsl > 0); for (i = 0; i < 4; ++i) { int offsetr = blk_row + (i >> 1) * bsl; int offsetc = blk_col + (i & 0x01) * bsl; read_tx_size_vartx(cm, xd, mbmi, counts, sub_txs, depth + 1, offsetr, offsetc, r); } } else { int idx, idy; inter_tx_size[0][0] = tx_size; for (idy = 0; idy < tx_size_high_unit[tx_size] / 2; ++idy) for (idx = 0; idx < tx_size_wide_unit[tx_size] / 2; ++idx) inter_tx_size[idy][idx] = tx_size; mbmi->tx_size = tx_size; mbmi->min_tx_size = AOMMIN(mbmi->min_tx_size, get_min_tx_size(tx_size)); if (counts) ++counts->txfm_partition[ctx][0]; txfm_partition_update(xd->above_txfm_context + tx_col, xd->left_txfm_context + tx_row, tx_size, tx_size); } } #endif static TX_SIZE read_selected_tx_size(AV1_COMMON *cm, MACROBLOCKD *xd, int tx_size_cat, aom_reader *r) { FRAME_COUNTS *counts = xd->counts; const int ctx = get_tx_size_context(xd); #if CONFIG_EC_ADAPT FRAME_CONTEXT *ec_ctx = xd->tile_ctx; (void)cm; #else FRAME_CONTEXT *ec_ctx = cm->fc; #endif const int depth = #if CONFIG_EC_MULTISYMBOL aom_read_symbol(r, ec_ctx->tx_size_cdf[tx_size_cat][ctx], tx_size_cat + 2, ACCT_STR); #else aom_read_tree(r, av1_tx_size_tree[tx_size_cat], ec_ctx->tx_size_probs[tx_size_cat][ctx], ACCT_STR); #endif const TX_SIZE tx_size = depth_to_tx_size(depth); #if CONFIG_RECT_TX assert(!is_rect_tx(tx_size)); #endif // CONFIG_RECT_TX if (counts) ++counts->tx_size[tx_size_cat][ctx][depth]; return tx_size; } static TX_SIZE read_tx_size(AV1_COMMON *cm, MACROBLOCKD *xd, int is_inter, int allow_select_inter, aom_reader *r) { const TX_MODE tx_mode = cm->tx_mode; const BLOCK_SIZE bsize = xd->mi[0]->mbmi.sb_type; if (xd->lossless[xd->mi[0]->mbmi.segment_id]) return TX_4X4; #if CONFIG_CB4X4 && (CONFIG_VAR_TX || CONFIG_EXT_TX) && CONFIG_RECT_TX if (bsize > BLOCK_4X4) { #else if (bsize >= BLOCK_8X8) { #endif // CONFIG_CB4X4 && CONFIG_VAR_TX if ((!is_inter || allow_select_inter) && tx_mode == TX_MODE_SELECT) { const int32_t tx_size_cat = is_inter ? inter_tx_size_cat_lookup[bsize] : intra_tx_size_cat_lookup[bsize]; const TX_SIZE coded_tx_size = read_selected_tx_size(cm, xd, tx_size_cat, r); #if CONFIG_EXT_TX && CONFIG_RECT_TX if (coded_tx_size > max_txsize_lookup[bsize]) { assert(coded_tx_size == max_txsize_lookup[bsize] + 1); return max_txsize_rect_lookup[bsize]; } #else assert(coded_tx_size <= max_txsize_lookup[bsize]); #endif // CONFIG_EXT_TX && CONFIG_RECT_TX return coded_tx_size; } else { return tx_size_from_tx_mode(bsize, tx_mode, is_inter); } } else { #if CONFIG_EXT_TX && CONFIG_RECT_TX assert(IMPLIES(tx_mode == ONLY_4X4, bsize == BLOCK_4X4)); return max_txsize_rect_lookup[bsize]; #else return TX_4X4; #endif // CONFIG_EXT_TX && CONFIG_RECT_TX } } static int dec_get_segment_id(const AV1_COMMON *cm, const uint8_t *segment_ids, int mi_offset, int x_mis, int y_mis) { int x, y, segment_id = INT_MAX; for (y = 0; y < y_mis; y++) for (x = 0; x < x_mis; x++) segment_id = AOMMIN(segment_id, segment_ids[mi_offset + y * cm->mi_cols + x]); assert(segment_id >= 0 && segment_id < MAX_SEGMENTS); return segment_id; } static void set_segment_id(AV1_COMMON *cm, int mi_offset, int x_mis, int y_mis, int segment_id) { int x, y; assert(segment_id >= 0 && segment_id < MAX_SEGMENTS); for (y = 0; y < y_mis; y++) for (x = 0; x < x_mis; x++) cm->current_frame_seg_map[mi_offset + y * cm->mi_cols + x] = segment_id; } static int read_intra_segment_id(AV1_COMMON *const cm, MACROBLOCKD *const xd, int mi_offset, int x_mis, int y_mis, aom_reader *r) { struct segmentation *const seg = &cm->seg; FRAME_COUNTS *counts = xd->counts; struct segmentation_probs *const segp = &cm->fc->seg; int segment_id; if (!seg->enabled) return 0; // Default for disabled segmentation assert(seg->update_map && !seg->temporal_update); segment_id = read_segment_id(r, segp); if (counts) ++counts->seg.tree_total[segment_id]; set_segment_id(cm, mi_offset, x_mis, y_mis, segment_id); return segment_id; } static void copy_segment_id(const AV1_COMMON *cm, const uint8_t *last_segment_ids, uint8_t *current_segment_ids, int mi_offset, int x_mis, int y_mis) { int x, y; for (y = 0; y < y_mis; y++) for (x = 0; x < x_mis; x++) current_segment_ids[mi_offset + y * cm->mi_cols + x] = last_segment_ids ? last_segment_ids[mi_offset + y * cm->mi_cols + x] : 0; } static int read_inter_segment_id(AV1_COMMON *const cm, MACROBLOCKD *const xd, int mi_row, int mi_col, aom_reader *r) { struct segmentation *const seg = &cm->seg; FRAME_COUNTS *counts = xd->counts; struct segmentation_probs *const segp = &cm->fc->seg; MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi; int predicted_segment_id, segment_id; const int mi_offset = mi_row * cm->mi_cols + mi_col; const int bw = mi_size_wide[mbmi->sb_type]; const int bh = mi_size_high[mbmi->sb_type]; // TODO(slavarnway): move x_mis, y_mis into xd ????? const int x_mis = AOMMIN(cm->mi_cols - mi_col, bw); const int y_mis = AOMMIN(cm->mi_rows - mi_row, bh); if (!seg->enabled) return 0; // Default for disabled segmentation predicted_segment_id = cm->last_frame_seg_map ? dec_get_segment_id(cm, cm->last_frame_seg_map, mi_offset, x_mis, y_mis) : 0; if (!seg->update_map) { copy_segment_id(cm, cm->last_frame_seg_map, cm->current_frame_seg_map, mi_offset, x_mis, y_mis); return predicted_segment_id; } if (seg->temporal_update) { const int ctx = av1_get_pred_context_seg_id(xd); const aom_prob pred_prob = segp->pred_probs[ctx]; mbmi->seg_id_predicted = aom_read(r, pred_prob, ACCT_STR); if (counts) ++counts->seg.pred[ctx][mbmi->seg_id_predicted]; if (mbmi->seg_id_predicted) { segment_id = predicted_segment_id; } else { segment_id = read_segment_id(r, segp); if (counts) ++counts->seg.tree_mispred[segment_id]; } } else { segment_id = read_segment_id(r, segp); if (counts) ++counts->seg.tree_total[segment_id]; } set_segment_id(cm, mi_offset, x_mis, y_mis, segment_id); return segment_id; } static int read_skip(AV1_COMMON *cm, const MACROBLOCKD *xd, int segment_id, aom_reader *r) { if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) { return 1; } else { const int ctx = av1_get_skip_context(xd); const int skip = aom_read(r, cm->fc->skip_probs[ctx], ACCT_STR); FRAME_COUNTS *counts = xd->counts; if (counts) ++counts->skip[ctx][skip]; return skip; } } #if CONFIG_PALETTE static void read_palette_mode_info(AV1_COMMON *const cm, MACROBLOCKD *const xd, aom_reader *r) { MODE_INFO *const mi = xd->mi[0]; MB_MODE_INFO *const mbmi = &mi->mbmi; const MODE_INFO *const above_mi = xd->above_mi; const MODE_INFO *const left_mi = xd->left_mi; const BLOCK_SIZE bsize = mbmi->sb_type; int i, n; PALETTE_MODE_INFO *const pmi = &mbmi->palette_mode_info; if (mbmi->mode == DC_PRED) { int palette_y_mode_ctx = 0; if (above_mi) palette_y_mode_ctx += (above_mi->mbmi.palette_mode_info.palette_size[0] > 0); if (left_mi) palette_y_mode_ctx += (left_mi->mbmi.palette_mode_info.palette_size[0] > 0); if (aom_read(r, av1_default_palette_y_mode_prob[bsize - BLOCK_8X8] [palette_y_mode_ctx], ACCT_STR)) { pmi->palette_size[0] = aom_read_tree(r, av1_palette_size_tree, av1_default_palette_y_size_prob[bsize - BLOCK_8X8], ACCT_STR) + 2; n = pmi->palette_size[0]; #if CONFIG_PALETTE_DELTA_ENCODING const int min_bits = cm->bit_depth - 3; int bits = min_bits + aom_read_literal(r, 2, ACCT_STR); pmi->palette_colors[0] = aom_read_literal(r, cm->bit_depth, ACCT_STR); for (i = 1; i < n; ++i) { pmi->palette_colors[i] = pmi->palette_colors[i - 1] + aom_read_literal(r, bits, ACCT_STR) + 1; bits = AOMMIN( bits, av1_ceil_log2((1 << cm->bit_depth) - pmi->palette_colors[i])); } #else for (i = 0; i < n; ++i) pmi->palette_colors[i] = aom_read_literal(r, cm->bit_depth, ACCT_STR); #endif // CONFIG_PALETTE_DELTA_ENCODING xd->plane[0].color_index_map[0] = read_uniform(r, n); assert(xd->plane[0].color_index_map[0] < n); } } if (mbmi->uv_mode == DC_PRED) { const int palette_uv_mode_ctx = (pmi->palette_size[0] > 0); if (aom_read(r, av1_default_palette_uv_mode_prob[palette_uv_mode_ctx], ACCT_STR)) { pmi->palette_size[1] = aom_read_tree(r, av1_palette_size_tree, av1_default_palette_uv_size_prob[bsize - BLOCK_8X8], ACCT_STR) + 2; n = pmi->palette_size[1]; #if CONFIG_PALETTE_DELTA_ENCODING // U channel colors. const int min_bits_u = cm->bit_depth - 3; int bits = min_bits_u + aom_read_literal(r, 2, ACCT_STR); pmi->palette_colors[PALETTE_MAX_SIZE] = aom_read_literal(r, cm->bit_depth, ACCT_STR); for (i = 1; i < n; ++i) { pmi->palette_colors[PALETTE_MAX_SIZE + i] = pmi->palette_colors[PALETTE_MAX_SIZE + i - 1] + aom_read_literal(r, bits, ACCT_STR); bits = AOMMIN(bits, av1_ceil_log2(1 + (1 << cm->bit_depth) - pmi->palette_colors[PALETTE_MAX_SIZE + i])); } // V channel colors. if (aom_read_bit(r, ACCT_STR)) { // Delta encoding. const int min_bits_v = cm->bit_depth - 4; const int max_val = 1 << cm->bit_depth; bits = min_bits_v + aom_read_literal(r, 2, ACCT_STR); pmi->palette_colors[2 * PALETTE_MAX_SIZE] = aom_read_literal(r, cm->bit_depth, ACCT_STR); for (i = 1; i < n; ++i) { int delta = aom_read_literal(r, bits, ACCT_STR); if (delta && aom_read_bit(r, ACCT_STR)) delta = -delta; int val = (int)pmi->palette_colors[2 * PALETTE_MAX_SIZE + i - 1] + delta; if (val < 0) val += max_val; if (val >= max_val) val -= max_val; pmi->palette_colors[2 * PALETTE_MAX_SIZE + i] = val; } } else { for (i = 0; i < n; ++i) { pmi->palette_colors[2 * PALETTE_MAX_SIZE + i] = aom_read_literal(r, cm->bit_depth, ACCT_STR); } } #else for (i = 0; i < n; ++i) { pmi->palette_colors[PALETTE_MAX_SIZE + i] = aom_read_literal(r, cm->bit_depth, ACCT_STR); pmi->palette_colors[2 * PALETTE_MAX_SIZE + i] = aom_read_literal(r, cm->bit_depth, ACCT_STR); } #endif // CONFIG_PALETTE_DELTA_ENCODING xd->plane[1].color_index_map[0] = read_uniform(r, n); assert(xd->plane[1].color_index_map[0] < n); } } } #endif // CONFIG_PALETTE #if CONFIG_FILTER_INTRA static void read_filter_intra_mode_info(AV1_COMMON *const cm, MACROBLOCKD *const xd, aom_reader *r) { MODE_INFO *const mi = xd->mi[0]; MB_MODE_INFO *const mbmi = &mi->mbmi; FRAME_COUNTS *counts = xd->counts; FILTER_INTRA_MODE_INFO *filter_intra_mode_info = &mbmi->filter_intra_mode_info; if (mbmi->mode == DC_PRED #if CONFIG_PALETTE && mbmi->palette_mode_info.palette_size[0] == 0 #endif // CONFIG_PALETTE ) { filter_intra_mode_info->use_filter_intra_mode[0] = aom_read(r, cm->fc->filter_intra_probs[0], ACCT_STR); if (filter_intra_mode_info->use_filter_intra_mode[0]) { filter_intra_mode_info->filter_intra_mode[0] = read_uniform(r, FILTER_INTRA_MODES); } if (counts) { ++counts ->filter_intra[0][filter_intra_mode_info->use_filter_intra_mode[0]]; } } if (mbmi->uv_mode == DC_PRED #if CONFIG_PALETTE && mbmi->palette_mode_info.palette_size[1] == 0 #endif // CONFIG_PALETTE ) { filter_intra_mode_info->use_filter_intra_mode[1] = aom_read(r, cm->fc->filter_intra_probs[1], ACCT_STR); if (filter_intra_mode_info->use_filter_intra_mode[1]) { filter_intra_mode_info->filter_intra_mode[1] = read_uniform(r, FILTER_INTRA_MODES); } if (counts) { ++counts ->filter_intra[1][filter_intra_mode_info->use_filter_intra_mode[1]]; } } } #endif // CONFIG_FILTER_INTRA #if CONFIG_EXT_INTRA static void read_intra_angle_info(AV1_COMMON *const cm, MACROBLOCKD *const xd, aom_reader *r) { MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi; const BLOCK_SIZE bsize = mbmi->sb_type; #if CONFIG_INTRA_INTERP #if CONFIG_EC_ADAPT FRAME_CONTEXT *const ec_ctx = xd->tile_ctx; #else FRAME_CONTEXT *const ec_ctx = cm->fc; #endif // CONFIG_EC_ADAPT const int ctx = av1_get_pred_context_intra_interp(xd); int p_angle; #endif // CONFIG_INTRA_INTERP (void)cm; if (bsize < BLOCK_8X8) return; if (av1_is_directional_mode(mbmi->mode, bsize)) { mbmi->angle_delta[0] = read_uniform(r, 2 * MAX_ANGLE_DELTA + 1) - MAX_ANGLE_DELTA; #if CONFIG_INTRA_INTERP p_angle = mode_to_angle_map[mbmi->mode] + mbmi->angle_delta[0] * ANGLE_STEP; if (av1_is_intra_filter_switchable(p_angle)) { FRAME_COUNTS *counts = xd->counts; #if CONFIG_EC_MULTISYMBOL mbmi->intra_filter = aom_read_symbol(r, ec_ctx->intra_filter_cdf[ctx], INTRA_FILTERS, ACCT_STR); #else mbmi->intra_filter = aom_read_tree( r, av1_intra_filter_tree, ec_ctx->intra_filter_probs[ctx], ACCT_STR); #endif // CONFIG_EC_MULTISYMBOL if (counts) ++counts->intra_filter[ctx][mbmi->intra_filter]; } else { mbmi->intra_filter = INTRA_FILTER_LINEAR; } #endif // CONFIG_INTRA_INTERP } if (av1_is_directional_mode(mbmi->uv_mode, bsize)) { mbmi->angle_delta[1] = read_uniform(r, 2 * MAX_ANGLE_DELTA + 1) - MAX_ANGLE_DELTA; } } #endif // CONFIG_EXT_INTRA void av1_read_tx_type(const AV1_COMMON *const cm, MACROBLOCKD *xd, #if CONFIG_SUPERTX int supertx_enabled, #endif #if CONFIG_TXK_SEL int block, int plane, #endif aom_reader *r) { MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; const int inter_block = is_inter_block(mbmi); #if CONFIG_VAR_TX const TX_SIZE tx_size = inter_block ? mbmi->min_tx_size : mbmi->tx_size; #else const TX_SIZE tx_size = mbmi->tx_size; #endif #if CONFIG_EC_ADAPT FRAME_CONTEXT *ec_ctx = xd->tile_ctx; #else FRAME_CONTEXT *ec_ctx = cm->fc; #endif #if !CONFIG_TXK_SEL TX_TYPE *tx_type = &mbmi->tx_type; #else // only y plane's tx_type is transmitted if (plane > 0) return; TX_TYPE *tx_type = &mbmi->txk_type[block]; #endif if (!FIXED_TX_TYPE) { #if CONFIG_EXT_TX const TX_SIZE square_tx_size = txsize_sqr_map[tx_size]; if (get_ext_tx_types(tx_size, mbmi->sb_type, inter_block, cm->reduced_tx_set_used) > 1 && ((!cm->seg.enabled && cm->base_qindex > 0) || (cm->seg.enabled && xd->qindex[mbmi->segment_id] > 0)) && !mbmi->skip && #if CONFIG_SUPERTX !supertx_enabled && #endif // CONFIG_SUPERTX !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) { const int eset = get_ext_tx_set(tx_size, mbmi->sb_type, inter_block, cm->reduced_tx_set_used); FRAME_COUNTS *counts = xd->counts; if (inter_block) { if (eset > 0) { #if CONFIG_EC_MULTISYMBOL *tx_type = av1_ext_tx_inter_inv[eset][aom_read_symbol( r, ec_ctx->inter_ext_tx_cdf[eset][square_tx_size], ext_tx_cnt_inter[eset], ACCT_STR)]; #else *tx_type = aom_read_tree( r, av1_ext_tx_inter_tree[eset], ec_ctx->inter_ext_tx_prob[eset][square_tx_size], ACCT_STR); #endif if (counts) ++counts->inter_ext_tx[eset][square_tx_size][*tx_type]; } } else if (ALLOW_INTRA_EXT_TX) { if (eset > 0) { #if CONFIG_EC_MULTISYMBOL *tx_type = av1_ext_tx_intra_inv[eset][aom_read_symbol( r, ec_ctx->intra_ext_tx_cdf[eset][square_tx_size][mbmi->mode], ext_tx_cnt_intra[eset], ACCT_STR)]; #else *tx_type = aom_read_tree( r, av1_ext_tx_intra_tree[eset], ec_ctx->intra_ext_tx_prob[eset][square_tx_size][mbmi->mode], ACCT_STR); #endif if (counts) ++counts->intra_ext_tx[eset][square_tx_size][mbmi->mode][*tx_type]; } } } else { *tx_type = DCT_DCT; } #else if (tx_size < TX_32X32 && ((!cm->seg.enabled && cm->base_qindex > 0) || (cm->seg.enabled && xd->qindex[mbmi->segment_id] > 0)) && !mbmi->skip && #if CONFIG_SUPERTX !supertx_enabled && #endif // CONFIG_SUPERTX !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) { FRAME_COUNTS *counts = xd->counts; if (inter_block) { #if CONFIG_EC_MULTISYMBOL *tx_type = av1_ext_tx_inv[aom_read_symbol( r, ec_ctx->inter_ext_tx_cdf[tx_size], TX_TYPES, ACCT_STR)]; #else *tx_type = aom_read_tree(r, av1_ext_tx_tree, ec_ctx->inter_ext_tx_prob[tx_size], ACCT_STR); #endif if (counts) ++counts->inter_ext_tx[tx_size][*tx_type]; } else { const TX_TYPE tx_type_nom = intra_mode_to_tx_type_context[mbmi->mode]; #if CONFIG_EC_MULTISYMBOL *tx_type = av1_ext_tx_inv[aom_read_symbol( r, ec_ctx->intra_ext_tx_cdf[tx_size][tx_type_nom], TX_TYPES, ACCT_STR)]; #else *tx_type = aom_read_tree( r, av1_ext_tx_tree, ec_ctx->intra_ext_tx_prob[tx_size][tx_type_nom], ACCT_STR); #endif if (counts) ++counts->intra_ext_tx[tx_size][tx_type_nom][*tx_type]; } } else { *tx_type = DCT_DCT; } #endif // CONFIG_EXT_TX } } #if CONFIG_INTRABC static INLINE void read_mv(aom_reader *r, MV *mv, const MV *ref, nmv_context *ctx, nmv_context_counts *counts, int allow_hp); static INLINE int is_mv_valid(const MV *mv); static INLINE int assign_dv(AV1_COMMON *cm, MACROBLOCKD *xd, int_mv *mv, const int_mv *ref_mv, int mi_row, int mi_col, BLOCK_SIZE bsize, aom_reader *r) { #if CONFIG_EC_ADAPT FRAME_CONTEXT *ec_ctx = xd->tile_ctx; (void)cm; #else FRAME_CONTEXT *ec_ctx = cm->fc; #endif FRAME_COUNTS *counts = xd->counts; nmv_context_counts *const dv_counts = counts ? &counts->dv : NULL; read_mv(r, &mv->as_mv, &ref_mv->as_mv, &ec_ctx->ndvc, dv_counts, 0); int valid = is_mv_valid(&mv->as_mv) && is_dv_valid(mv->as_mv, &xd->tile, mi_row, mi_col, bsize); // TODO(aconverse@google.com): additional validation return valid; } #endif // CONFIG_INTRABC static void read_intra_frame_mode_info(AV1_COMMON *const cm, MACROBLOCKD *const xd, int mi_row, int mi_col, aom_reader *r) { MODE_INFO *const mi = xd->mi[0]; MB_MODE_INFO *const mbmi = &mi->mbmi; const MODE_INFO *above_mi = xd->above_mi; const MODE_INFO *left_mi = xd->left_mi; const BLOCK_SIZE bsize = mbmi->sb_type; int i; const int mi_offset = mi_row * cm->mi_cols + mi_col; const int bw = mi_size_wide[bsize]; const int bh = mi_size_high[bsize]; // TODO(slavarnway): move x_mis, y_mis into xd ????? const int x_mis = AOMMIN(cm->mi_cols - mi_col, bw); const int y_mis = AOMMIN(cm->mi_rows - mi_row, bh); #if CONFIG_EC_ADAPT FRAME_CONTEXT *ec_ctx = xd->tile_ctx; #elif CONFIG_EC_MULTISYMBOL FRAME_CONTEXT *ec_ctx = cm->fc; #endif mbmi->segment_id = read_intra_segment_id(cm, xd, mi_offset, x_mis, y_mis, r); mbmi->skip = read_skip(cm, xd, mbmi->segment_id, r); #if CONFIG_DELTA_Q if (cm->delta_q_present_flag) { xd->current_qindex = xd->prev_qindex + read_delta_qindex(cm, xd, r, mbmi, mi_col, mi_row) * cm->delta_q_res; /* Normative: Clamp to [1,MAXQ] to not interfere with lossless mode */ xd->current_qindex = clamp(xd->current_qindex, 1, MAXQ); xd->prev_qindex = xd->current_qindex; #if CONFIG_EXT_DELTA_Q if (cm->delta_lf_present_flag) { mbmi->current_delta_lf_from_base = xd->current_delta_lf_from_base = xd->prev_delta_lf_from_base + read_delta_lflevel(cm, xd, r, mbmi, mi_col, mi_row) * cm->delta_lf_res; xd->prev_delta_lf_from_base = xd->current_delta_lf_from_base; } #endif } #endif mbmi->tx_size = read_tx_size(cm, xd, 0, 1, r); mbmi->ref_frame[0] = INTRA_FRAME; mbmi->ref_frame[1] = NONE_FRAME; #if CONFIG_INTRABC if (bsize >= BLOCK_8X8 && cm->allow_screen_content_tools) { mbmi->use_intrabc = aom_read(r, INTRABC_PROB, ACCT_STR); if (mbmi->use_intrabc) { int_mv dv_ref; mbmi->mode = mbmi->uv_mode = DC_PRED; #if CONFIG_DUAL_FILTER for (int idx = 0; idx < 4; ++idx) mbmi->interp_filter[idx] = BILINEAR; #else mbmi->interp_filter = BILINEAR; #endif av1_find_ref_dv(&dv_ref, mi_row, mi_col); xd->corrupted |= !assign_dv(cm, xd, &mbmi->mv[0], &dv_ref, mi_row, mi_col, bsize, r); return; } } #endif // CONFIG_INTRABC #if CONFIG_CB4X4 (void)i; mbmi->mode = #if CONFIG_EC_MULTISYMBOL read_intra_mode(r, get_y_mode_cdf(ec_ctx, mi, above_mi, left_mi, 0)); #else read_intra_mode(r, get_y_mode_probs(cm, mi, above_mi, left_mi, 0)); #endif #else switch (bsize) { case BLOCK_4X4: for (i = 0; i < 4; ++i) mi->bmi[i].as_mode = #if CONFIG_EC_MULTISYMBOL read_intra_mode(r, get_y_mode_cdf(ec_ctx, mi, above_mi, left_mi, i)); #else read_intra_mode(r, get_y_mode_probs(cm, mi, above_mi, left_mi, i)); #endif mbmi->mode = mi->bmi[3].as_mode; break; case BLOCK_4X8: mi->bmi[0].as_mode = mi->bmi[2].as_mode = #if CONFIG_EC_MULTISYMBOL read_intra_mode(r, get_y_mode_cdf(ec_ctx, mi, above_mi, left_mi, 0)); #else read_intra_mode(r, get_y_mode_probs(cm, mi, above_mi, left_mi, 0)); #endif mi->bmi[1].as_mode = mi->bmi[3].as_mode = mbmi->mode = #if CONFIG_EC_MULTISYMBOL read_intra_mode(r, get_y_mode_cdf(ec_ctx, mi, above_mi, left_mi, 1)); #else read_intra_mode(r, get_y_mode_probs(cm, mi, above_mi, left_mi, 1)); #endif break; case BLOCK_8X4: mi->bmi[0].as_mode = mi->bmi[1].as_mode = #if CONFIG_EC_MULTISYMBOL read_intra_mode(r, get_y_mode_cdf(ec_ctx, mi, above_mi, left_mi, 0)); #else read_intra_mode(r, get_y_mode_probs(cm, mi, above_mi, left_mi, 0)); #endif mi->bmi[2].as_mode = mi->bmi[3].as_mode = mbmi->mode = #if CONFIG_EC_MULTISYMBOL read_intra_mode(r, get_y_mode_cdf(ec_ctx, mi, above_mi, left_mi, 2)); #else read_intra_mode(r, get_y_mode_probs(cm, mi, above_mi, left_mi, 2)); #endif break; default: mbmi->mode = #if CONFIG_EC_MULTISYMBOL read_intra_mode(r, get_y_mode_cdf(ec_ctx, mi, above_mi, left_mi, 0)); #else read_intra_mode(r, get_y_mode_probs(cm, mi, above_mi, left_mi, 0)); #endif } #endif #if CONFIG_CB4X4 if (is_chroma_reference(mi_row, mi_col, bsize, xd->plane[1].subsampling_x, xd->plane[1].subsampling_y)) mbmi->uv_mode = read_intra_mode_uv(cm, xd, r, mbmi->mode); #else mbmi->uv_mode = read_intra_mode_uv(cm, xd, r, mbmi->mode); #endif #if CONFIG_EXT_INTRA read_intra_angle_info(cm, xd, r); #endif // CONFIG_EXT_INTRA #if CONFIG_PALETTE mbmi->palette_mode_info.palette_size[0] = 0; mbmi->palette_mode_info.palette_size[1] = 0; if (bsize >= BLOCK_8X8 && cm->allow_screen_content_tools) read_palette_mode_info(cm, xd, r); #endif // CONFIG_PALETTE #if CONFIG_FILTER_INTRA mbmi->filter_intra_mode_info.use_filter_intra_mode[0] = 0; mbmi->filter_intra_mode_info.use_filter_intra_mode[1] = 0; if (bsize >= BLOCK_8X8 || CONFIG_CB4X4) read_filter_intra_mode_info(cm, xd, r); #endif // CONFIG_FILTER_INTRA #if !CONFIG_TXK_SEL av1_read_tx_type(cm, xd, #if CONFIG_SUPERTX 0, #endif r); #endif // !CONFIG_TXK_SEL } static int read_mv_component(aom_reader *r, nmv_component *mvcomp, int usehp) { int mag, d, fr, hp; const int sign = aom_read(r, mvcomp->sign, ACCT_STR); const int mv_class = #if CONFIG_EC_MULTISYMBOL aom_read_symbol(r, mvcomp->class_cdf, MV_CLASSES, ACCT_STR); #else aom_read_tree(r, av1_mv_class_tree, mvcomp->classes, ACCT_STR); #endif const int class0 = mv_class == MV_CLASS_0; // Integer part if (class0) { d = aom_read(r, mvcomp->class0[0], ACCT_STR); mag = 0; } else { int i; const int n = mv_class + CLASS0_BITS - 1; // number of bits d = 0; for (i = 0; i < n; ++i) d |= aom_read(r, mvcomp->bits[i], ACCT_STR) << i; mag = CLASS0_SIZE << (mv_class + 2); } // Fractional part #if CONFIG_EC_MULTISYMBOL fr = aom_read_symbol(r, class0 ? mvcomp->class0_fp_cdf[d] : mvcomp->fp_cdf, MV_FP_SIZE, ACCT_STR); #else fr = aom_read_tree(r, av1_mv_fp_tree, class0 ? mvcomp->class0_fp[d] : mvcomp->fp, ACCT_STR); #endif // High precision part (if hp is not used, the default value of the hp is 1) hp = usehp ? aom_read(r, class0 ? mvcomp->class0_hp : mvcomp->hp, ACCT_STR) : 1; // Result mag += ((d << 3) | (fr << 1) | hp) + 1; return sign ? -mag : mag; } static INLINE void read_mv(aom_reader *r, MV *mv, const MV *ref, nmv_context *ctx, nmv_context_counts *counts, int allow_hp) { MV_JOINT_TYPE joint_type; MV diff = { 0, 0 }; joint_type = #if CONFIG_EC_MULTISYMBOL (MV_JOINT_TYPE)aom_read_symbol(r, ctx->joint_cdf, MV_JOINTS, ACCT_STR); #else (MV_JOINT_TYPE)aom_read_tree(r, av1_mv_joint_tree, ctx->joints, ACCT_STR); #endif if (mv_joint_vertical(joint_type)) diff.row = read_mv_component(r, &ctx->comps[0], allow_hp); if (mv_joint_horizontal(joint_type)) diff.col = read_mv_component(r, &ctx->comps[1], allow_hp); av1_inc_mv(&diff, counts, allow_hp); mv->row = ref->row + diff.row; mv->col = ref->col + diff.col; } static REFERENCE_MODE read_block_reference_mode(AV1_COMMON *cm, const MACROBLOCKD *xd, aom_reader *r) { #if !SUB8X8_COMP_REF if (xd->mi[0]->mbmi.sb_type < BLOCK_8X8) return SINGLE_REFERENCE; #endif if (cm->reference_mode == REFERENCE_MODE_SELECT) { const int ctx = av1_get_reference_mode_context(cm, xd); const REFERENCE_MODE mode = (REFERENCE_MODE)aom_read(r, cm->fc->comp_inter_prob[ctx], ACCT_STR); FRAME_COUNTS *counts = xd->counts; if (counts) ++counts->comp_inter[ctx][mode]; return mode; // SINGLE_REFERENCE or COMPOUND_REFERENCE } else { return cm->reference_mode; } } // Read the referncence frame static void read_ref_frames(AV1_COMMON *const cm, MACROBLOCKD *const xd, aom_reader *r, int segment_id, MV_REFERENCE_FRAME ref_frame[2]) { FRAME_CONTEXT *const fc = cm->fc; FRAME_COUNTS *counts = xd->counts; if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) { ref_frame[0] = (MV_REFERENCE_FRAME)get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME); ref_frame[1] = NONE_FRAME; } else { const REFERENCE_MODE mode = read_block_reference_mode(cm, xd, r); // FIXME(rbultje) I'm pretty sure this breaks segmentation ref frame coding if (mode == COMPOUND_REFERENCE) { #if CONFIG_LOWDELAY_COMPOUND // Normative in decoder (for low delay) const int idx = 1; #else #if CONFIG_EXT_REFS const int idx = cm->ref_frame_sign_bias[cm->comp_bwd_ref[0]]; #else const int idx = cm->ref_frame_sign_bias[cm->comp_fixed_ref]; #endif // CONFIG_EXT_REFS #endif const int ctx = av1_get_pred_context_comp_ref_p(cm, xd); const int bit = aom_read(r, fc->comp_ref_prob[ctx][0], ACCT_STR); if (counts) ++counts->comp_ref[ctx][0][bit]; #if CONFIG_EXT_REFS // Decode forward references. if (!bit) { const int ctx1 = av1_get_pred_context_comp_ref_p1(cm, xd); const int bit1 = aom_read(r, fc->comp_ref_prob[ctx1][1], ACCT_STR); if (counts) ++counts->comp_ref[ctx1][1][bit1]; ref_frame[!idx] = cm->comp_fwd_ref[bit1 ? 0 : 1]; } else { const int ctx2 = av1_get_pred_context_comp_ref_p2(cm, xd); const int bit2 = aom_read(r, fc->comp_ref_prob[ctx2][2], ACCT_STR); if (counts) ++counts->comp_ref[ctx2][2][bit2]; ref_frame[!idx] = cm->comp_fwd_ref[bit2 ? 3 : 2]; } // Decode backward references. { const int ctx_bwd = av1_get_pred_context_comp_bwdref_p(cm, xd); const int bit_bwd = aom_read(r, fc->comp_bwdref_prob[ctx_bwd][0], ACCT_STR); if (counts) ++counts->comp_bwdref[ctx_bwd][0][bit_bwd]; ref_frame[idx] = cm->comp_bwd_ref[bit_bwd]; } #else ref_frame[!idx] = cm->comp_var_ref[bit]; ref_frame[idx] = cm->comp_fixed_ref; #endif // CONFIG_EXT_REFS } else if (mode == SINGLE_REFERENCE) { #if CONFIG_EXT_REFS const int ctx0 = av1_get_pred_context_single_ref_p1(xd); const int bit0 = aom_read(r, fc->single_ref_prob[ctx0][0], ACCT_STR); if (counts) ++counts->single_ref[ctx0][0][bit0]; if (bit0) { const int ctx1 = av1_get_pred_context_single_ref_p2(xd); const int bit1 = aom_read(r, fc->single_ref_prob[ctx1][1], ACCT_STR); if (counts) ++counts->single_ref[ctx1][1][bit1]; ref_frame[0] = bit1 ? ALTREF_FRAME : BWDREF_FRAME; } else { const int ctx2 = av1_get_pred_context_single_ref_p3(xd); const int bit2 = aom_read(r, fc->single_ref_prob[ctx2][2], ACCT_STR); if (counts) ++counts->single_ref[ctx2][2][bit2]; if (bit2) { const int ctx4 = av1_get_pred_context_single_ref_p5(xd); const int bit4 = aom_read(r, fc->single_ref_prob[ctx4][4], ACCT_STR); if (counts) ++counts->single_ref[ctx4][4][bit4]; ref_frame[0] = bit4 ? GOLDEN_FRAME : LAST3_FRAME; } else { const int ctx3 = av1_get_pred_context_single_ref_p4(xd); const int bit3 = aom_read(r, fc->single_ref_prob[ctx3][3], ACCT_STR); if (counts) ++counts->single_ref[ctx3][3][bit3]; ref_frame[0] = bit3 ? LAST2_FRAME : LAST_FRAME; } } #else const int ctx0 = av1_get_pred_context_single_ref_p1(xd); const int bit0 = aom_read(r, fc->single_ref_prob[ctx0][0], ACCT_STR); if (counts) ++counts->single_ref[ctx0][0][bit0]; if (bit0) { const int ctx1 = av1_get_pred_context_single_ref_p2(xd); const int bit1 = aom_read(r, fc->single_ref_prob[ctx1][1], ACCT_STR); if (counts) ++counts->single_ref[ctx1][1][bit1]; ref_frame[0] = bit1 ? ALTREF_FRAME : GOLDEN_FRAME; } else { ref_frame[0] = LAST_FRAME; } #endif // CONFIG_EXT_REFS ref_frame[1] = NONE_FRAME; } else { assert(0 && "Invalid prediction mode."); } } } static INLINE void read_mb_interp_filter(AV1_COMMON *const cm, MACROBLOCKD *const xd, MB_MODE_INFO *const mbmi, aom_reader *r) { FRAME_COUNTS *counts = xd->counts; #if CONFIG_EC_ADAPT FRAME_CONTEXT *ec_ctx = xd->tile_ctx; #else FRAME_CONTEXT *ec_ctx = cm->fc; #endif if (!av1_is_interp_needed(xd)) { set_default_interp_filters(mbmi, cm->interp_filter); return; } #if CONFIG_DUAL_FILTER if (cm->interp_filter != SWITCHABLE) { int dir; for (dir = 0; dir < 4; ++dir) mbmi->interp_filter[dir] = cm->interp_filter; } else { int dir; for (dir = 0; dir < 2; ++dir) { const int ctx = av1_get_pred_context_switchable_interp(xd, dir); mbmi->interp_filter[dir] = EIGHTTAP_REGULAR; if (has_subpel_mv_component(xd->mi[0], xd, dir) || (mbmi->ref_frame[1] > INTRA_FRAME && has_subpel_mv_component(xd->mi[0], xd, dir + 2))) { #if CONFIG_EC_MULTISYMBOL mbmi->interp_filter[dir] = (InterpFilter)av1_switchable_interp_inv[aom_read_symbol( r, ec_ctx->switchable_interp_cdf[ctx], SWITCHABLE_FILTERS, ACCT_STR)]; #else mbmi->interp_filter[dir] = (InterpFilter)aom_read_tree( r, av1_switchable_interp_tree, ec_ctx->switchable_interp_prob[ctx], ACCT_STR); #endif if (counts) ++counts->switchable_interp[ctx][mbmi->interp_filter[dir]]; } } // The index system works as: // (0, 1) -> (vertical, horizontal) filter types for the first ref frame. // (2, 3) -> (vertical, horizontal) filter types for the second ref frame. mbmi->interp_filter[2] = mbmi->interp_filter[0]; mbmi->interp_filter[3] = mbmi->interp_filter[1]; } #else // CONFIG_DUAL_FILTER if (cm->interp_filter != SWITCHABLE) { mbmi->interp_filter = cm->interp_filter; } else { const int ctx = av1_get_pred_context_switchable_interp(xd); #if CONFIG_EC_MULTISYMBOL mbmi->interp_filter = (InterpFilter)av1_switchable_interp_inv[aom_read_symbol( r, ec_ctx->switchable_interp_cdf[ctx], SWITCHABLE_FILTERS, ACCT_STR)]; #else mbmi->interp_filter = (InterpFilter)aom_read_tree( r, av1_switchable_interp_tree, ec_ctx->switchable_interp_prob[ctx], ACCT_STR); #endif if (counts) ++counts->switchable_interp[ctx][mbmi->interp_filter]; } #endif // CONFIG_DUAL_FILTER } static void read_intra_block_mode_info(AV1_COMMON *const cm, const int mi_row, const int mi_col, MACROBLOCKD *const xd, MODE_INFO *mi, aom_reader *r) { MB_MODE_INFO *const mbmi = &mi->mbmi; const BLOCK_SIZE bsize = mi->mbmi.sb_type; int i; mbmi->ref_frame[0] = INTRA_FRAME; mbmi->ref_frame[1] = NONE_FRAME; #if CONFIG_CB4X4 (void)i; mbmi->mode = read_intra_mode_y(cm, xd, r, size_group_lookup[bsize]); #else switch (bsize) { case BLOCK_4X4: for (i = 0; i < 4; ++i) mi->bmi[i].as_mode = read_intra_mode_y(cm, xd, r, 0); mbmi->mode = mi->bmi[3].as_mode; break; case BLOCK_4X8: mi->bmi[0].as_mode = mi->bmi[2].as_mode = read_intra_mode_y(cm, xd, r, 0); mi->bmi[1].as_mode = mi->bmi[3].as_mode = mbmi->mode = read_intra_mode_y(cm, xd, r, 0); break; case BLOCK_8X4: mi->bmi[0].as_mode = mi->bmi[1].as_mode = read_intra_mode_y(cm, xd, r, 0); mi->bmi[2].as_mode = mi->bmi[3].as_mode = mbmi->mode = read_intra_mode_y(cm, xd, r, 0); break; default: mbmi->mode = read_intra_mode_y(cm, xd, r, size_group_lookup[bsize]); } #endif #if CONFIG_CB4X4 if (is_chroma_reference(mi_row, mi_col, bsize, xd->plane[1].subsampling_x, xd->plane[1].subsampling_y)) mbmi->uv_mode = read_intra_mode_uv(cm, xd, r, mbmi->mode); #else mbmi->uv_mode = read_intra_mode_uv(cm, xd, r, mbmi->mode); (void)mi_row; (void)mi_col; #endif #if CONFIG_EXT_INTRA read_intra_angle_info(cm, xd, r); #endif // CONFIG_EXT_INTRA #if CONFIG_PALETTE mbmi->palette_mode_info.palette_size[0] = 0; mbmi->palette_mode_info.palette_size[1] = 0; if (bsize >= BLOCK_8X8 && cm->allow_screen_content_tools) read_palette_mode_info(cm, xd, r); #endif // CONFIG_PALETTE #if CONFIG_FILTER_INTRA mbmi->filter_intra_mode_info.use_filter_intra_mode[0] = 0; mbmi->filter_intra_mode_info.use_filter_intra_mode[1] = 0; if (bsize >= BLOCK_8X8 || CONFIG_CB4X4) read_filter_intra_mode_info(cm, xd, r); #endif // CONFIG_FILTER_INTRA } static INLINE int is_mv_valid(const MV *mv) { return mv->row > MV_LOW && mv->row < MV_UPP && mv->col > MV_LOW && mv->col < MV_UPP; } static INLINE int assign_mv(AV1_COMMON *cm, MACROBLOCKD *xd, PREDICTION_MODE mode, MV_REFERENCE_FRAME ref_frame[2], int block, int_mv mv[2], int_mv ref_mv[2], int_mv nearest_mv[2], int_mv near_mv[2], int mi_row, int mi_col, int is_compound, int allow_hp, aom_reader *r) { int i; int ret = 1; #if CONFIG_EC_ADAPT FRAME_CONTEXT *ec_ctx = xd->tile_ctx; #else FRAME_CONTEXT *ec_ctx = cm->fc; #endif BLOCK_SIZE bsize = xd->mi[0]->mbmi.sb_type; #if CONFIG_REF_MV MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; #if CONFIG_CB4X4 int_mv *pred_mv = mbmi->pred_mv; (void)block; #else int_mv *pred_mv = (bsize >= BLOCK_8X8) ? mbmi->pred_mv : xd->mi[0]->bmi[block].pred_mv; #endif // CONFIG_CB4X4 #else (void)block; #endif // CONFIG_REF_MV (void)ref_frame; (void)cm; (void)mi_row; (void)mi_col; (void)bsize; switch (mode) { case NEWMV: { FRAME_COUNTS *counts = xd->counts; #if !CONFIG_REF_MV nmv_context *const nmvc = &ec_ctx->nmvc; nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL; #endif for (i = 0; i < 1 + is_compound; ++i) { #if CONFIG_REF_MV int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); int nmv_ctx = av1_nmv_ctx(xd->ref_mv_count[rf_type], xd->ref_mv_stack[rf_type], i, mbmi->ref_mv_idx); nmv_context *const nmvc = &ec_ctx->nmvc[nmv_ctx]; nmv_context_counts *const mv_counts = counts ? &counts->mv[nmv_ctx] : NULL; #endif read_mv(r, &mv[i].as_mv, &ref_mv[i].as_mv, nmvc, mv_counts, allow_hp); ret = ret && is_mv_valid(&mv[i].as_mv); #if CONFIG_REF_MV pred_mv[i].as_int = ref_mv[i].as_int; #endif } break; } case NEARESTMV: { mv[0].as_int = nearest_mv[0].as_int; if (is_compound) mv[1].as_int = nearest_mv[1].as_int; #if CONFIG_REF_MV pred_mv[0].as_int = nearest_mv[0].as_int; if (is_compound) pred_mv[1].as_int = nearest_mv[1].as_int; #endif break; } case NEARMV: { mv[0].as_int = near_mv[0].as_int; if (is_compound) mv[1].as_int = near_mv[1].as_int; #if CONFIG_REF_MV pred_mv[0].as_int = near_mv[0].as_int; if (is_compound) pred_mv[1].as_int = near_mv[1].as_int; #endif break; } case ZEROMV: { #if CONFIG_GLOBAL_MOTION mv[0].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[0]], cm->allow_high_precision_mv, bsize, mi_col, mi_row, block) .as_int; if (is_compound) mv[1].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[1]], cm->allow_high_precision_mv, bsize, mi_col, mi_row, block) .as_int; #else mv[0].as_int = 0; if (is_compound) mv[1].as_int = 0; #endif // CONFIG_GLOBAL_MOTION #if CONFIG_REF_MV pred_mv[0].as_int = mv[0].as_int; if (is_compound) pred_mv[1].as_int = mv[1].as_int; #endif break; } #if CONFIG_EXT_INTER case NEW_NEWMV: { FRAME_COUNTS *counts = xd->counts; #if !CONFIG_REF_MV nmv_context *const nmvc = &ec_ctx->nmvc; nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL; #endif assert(is_compound); for (i = 0; i < 2; ++i) { #if CONFIG_REF_MV int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); int nmv_ctx = av1_nmv_ctx(xd->ref_mv_count[rf_type], xd->ref_mv_stack[rf_type], i, mbmi->ref_mv_idx); nmv_context *const nmvc = &ec_ctx->nmvc[nmv_ctx]; nmv_context_counts *const mv_counts = counts ? &counts->mv[nmv_ctx] : NULL; #endif read_mv(r, &mv[i].as_mv, &ref_mv[i].as_mv, nmvc, mv_counts, allow_hp); ret = ret && is_mv_valid(&mv[i].as_mv); } break; } case NEAREST_NEARESTMV: { assert(is_compound); mv[0].as_int = nearest_mv[0].as_int; mv[1].as_int = nearest_mv[1].as_int; break; } case NEAREST_NEARMV: { assert(is_compound); mv[0].as_int = nearest_mv[0].as_int; mv[1].as_int = near_mv[1].as_int; break; } case NEAR_NEARESTMV: { assert(is_compound); mv[0].as_int = near_mv[0].as_int; mv[1].as_int = nearest_mv[1].as_int; break; } case NEAR_NEARMV: { assert(is_compound); mv[0].as_int = near_mv[0].as_int; mv[1].as_int = near_mv[1].as_int; break; } case NEW_NEARESTMV: { FRAME_COUNTS *counts = xd->counts; #if CONFIG_REF_MV int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); int nmv_ctx = av1_nmv_ctx(xd->ref_mv_count[rf_type], xd->ref_mv_stack[rf_type], 0, mbmi->ref_mv_idx); nmv_context *const nmvc = &ec_ctx->nmvc[nmv_ctx]; nmv_context_counts *const mv_counts = counts ? &counts->mv[nmv_ctx] : NULL; #else nmv_context *const nmvc = &ec_ctx->nmvc; nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL; #endif read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, nmvc, mv_counts, allow_hp); assert(is_compound); ret = ret && is_mv_valid(&mv[0].as_mv); mv[1].as_int = nearest_mv[1].as_int; break; } case NEAREST_NEWMV: { FRAME_COUNTS *counts = xd->counts; #if CONFIG_REF_MV int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); int nmv_ctx = av1_nmv_ctx(xd->ref_mv_count[rf_type], xd->ref_mv_stack[rf_type], 1, mbmi->ref_mv_idx); nmv_context_counts *const mv_counts = counts ? &counts->mv[nmv_ctx] : NULL; nmv_context *const nmvc = &ec_ctx->nmvc[nmv_ctx]; #else nmv_context *const nmvc = &ec_ctx->nmvc; nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL; #endif mv[0].as_int = nearest_mv[0].as_int; read_mv(r, &mv[1].as_mv, &ref_mv[1].as_mv, nmvc, mv_counts, allow_hp); assert(is_compound); ret = ret && is_mv_valid(&mv[1].as_mv); break; } case NEAR_NEWMV: { FRAME_COUNTS *counts = xd->counts; #if CONFIG_REF_MV int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); int nmv_ctx = av1_nmv_ctx(xd->ref_mv_count[rf_type], xd->ref_mv_stack[rf_type], 1, mbmi->ref_mv_idx); nmv_context *const nmvc = &ec_ctx->nmvc[nmv_ctx]; nmv_context_counts *const mv_counts = counts ? &counts->mv[nmv_ctx] : NULL; #else nmv_context *const nmvc = &ec_ctx->nmvc; nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL; #endif mv[0].as_int = near_mv[0].as_int; read_mv(r, &mv[1].as_mv, &ref_mv[1].as_mv, nmvc, mv_counts, allow_hp); assert(is_compound); ret = ret && is_mv_valid(&mv[1].as_mv); break; } case NEW_NEARMV: { FRAME_COUNTS *counts = xd->counts; #if CONFIG_REF_MV int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); int nmv_ctx = av1_nmv_ctx(xd->ref_mv_count[rf_type], xd->ref_mv_stack[rf_type], 0, mbmi->ref_mv_idx); nmv_context *const nmvc = &ec_ctx->nmvc[nmv_ctx]; nmv_context_counts *const mv_counts = counts ? &counts->mv[nmv_ctx] : NULL; #else nmv_context *const nmvc = &ec_ctx->nmvc; nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL; #endif read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, nmvc, mv_counts, allow_hp); assert(is_compound); ret = ret && is_mv_valid(&mv[0].as_mv); mv[1].as_int = near_mv[1].as_int; break; } case ZERO_ZEROMV: { assert(is_compound); #if CONFIG_GLOBAL_MOTION mv[0].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[0]], cm->allow_high_precision_mv, bsize, mi_col, mi_row, block) .as_int; mv[1].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[1]], cm->allow_high_precision_mv, bsize, mi_col, mi_row, block) .as_int; #else mv[0].as_int = 0; mv[1].as_int = 0; #endif // CONFIG_GLOBAL_MOTION break; } #endif // CONFIG_EXT_INTER default: { return 0; } } return ret; } static int read_is_inter_block(AV1_COMMON *const cm, MACROBLOCKD *const xd, int segment_id, aom_reader *r) { if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) { return get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME) != INTRA_FRAME; } else { const int ctx = av1_get_intra_inter_context(xd); const int is_inter = aom_read(r, cm->fc->intra_inter_prob[ctx], ACCT_STR); FRAME_COUNTS *counts = xd->counts; if (counts) ++counts->intra_inter[ctx][is_inter]; return is_inter; } } static void fpm_sync(void *const data, int mi_row) { AV1Decoder *const pbi = (AV1Decoder *)data; av1_frameworker_wait(pbi->frame_worker_owner, pbi->common.prev_frame, mi_row << pbi->common.mib_size_log2); } static void read_inter_block_mode_info(AV1Decoder *const pbi, MACROBLOCKD *const xd, MODE_INFO *const mi, #if (CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION || CONFIG_EXT_INTER) && \ CONFIG_SUPERTX int mi_row, int mi_col, aom_reader *r, int supertx_enabled) { #else int mi_row, int mi_col, aom_reader *r) { #endif // CONFIG_MOTION_VAR && CONFIG_SUPERTX AV1_COMMON *const cm = &pbi->common; MB_MODE_INFO *const mbmi = &mi->mbmi; const BLOCK_SIZE bsize = mbmi->sb_type; const int allow_hp = cm->allow_high_precision_mv; const int unify_bsize = CONFIG_CB4X4; int_mv nearestmv[2], nearmv[2]; int_mv ref_mvs[MODE_CTX_REF_FRAMES][MAX_MV_REF_CANDIDATES]; int ref, is_compound; int16_t inter_mode_ctx[MODE_CTX_REF_FRAMES]; #if CONFIG_REF_MV && CONFIG_EXT_INTER int16_t compound_inter_mode_ctx[MODE_CTX_REF_FRAMES]; #endif // CONFIG_REF_MV && CONFIG_EXT_INTER int16_t mode_ctx = 0; #if CONFIG_WARPED_MOTION int pts[SAMPLES_ARRAY_SIZE], pts_inref[SAMPLES_ARRAY_SIZE]; #endif // CONFIG_WARPED_MOTION #if CONFIG_EC_ADAPT FRAME_CONTEXT *ec_ctx = xd->tile_ctx; #else FRAME_CONTEXT *ec_ctx = cm->fc; #endif #if CONFIG_PALETTE mbmi->palette_mode_info.palette_size[0] = 0; mbmi->palette_mode_info.palette_size[1] = 0; #endif // CONFIG_PALETTE memset(ref_mvs, 0, sizeof(ref_mvs)); read_ref_frames(cm, xd, r, mbmi->segment_id, mbmi->ref_frame); is_compound = has_second_ref(mbmi); for (ref = 0; ref < 1 + is_compound; ++ref) { MV_REFERENCE_FRAME frame = mbmi->ref_frame[ref]; av1_find_mv_refs(cm, xd, mi, frame, #if CONFIG_REF_MV &xd->ref_mv_count[frame], xd->ref_mv_stack[frame], #if CONFIG_EXT_INTER compound_inter_mode_ctx, #endif // CONFIG_EXT_INTER #endif ref_mvs[frame], mi_row, mi_col, fpm_sync, (void *)pbi, inter_mode_ctx); } #if CONFIG_REF_MV if (is_compound) { MV_REFERENCE_FRAME ref_frame = av1_ref_frame_type(mbmi->ref_frame); av1_find_mv_refs(cm, xd, mi, ref_frame, &xd->ref_mv_count[ref_frame], xd->ref_mv_stack[ref_frame], #if CONFIG_EXT_INTER compound_inter_mode_ctx, #endif // CONFIG_EXT_INTER ref_mvs[ref_frame], mi_row, mi_col, fpm_sync, (void *)pbi, inter_mode_ctx); if (xd->ref_mv_count[ref_frame] < 2) { MV_REFERENCE_FRAME rf[2]; int_mv zeromv[2]; av1_set_ref_frame(rf, ref_frame); #if CONFIG_GLOBAL_MOTION zeromv[0].as_int = gm_get_motion_vector(&cm->global_motion[rf[0]], cm->allow_high_precision_mv, bsize, mi_col, mi_row, 0) .as_int; zeromv[1].as_int = (rf[1] != NONE_FRAME) ? gm_get_motion_vector(&cm->global_motion[rf[1]], cm->allow_high_precision_mv, bsize, mi_col, mi_row, 0) .as_int : 0; #else zeromv[0].as_int = zeromv[1].as_int = 0; #endif for (ref = 0; ref < 2; ++ref) { if (rf[ref] == NONE_FRAME) continue; lower_mv_precision(&ref_mvs[rf[ref]][0].as_mv, allow_hp); lower_mv_precision(&ref_mvs[rf[ref]][1].as_mv, allow_hp); if (ref_mvs[rf[ref]][0].as_int != zeromv[ref].as_int || ref_mvs[rf[ref]][1].as_int != zeromv[ref].as_int) inter_mode_ctx[ref_frame] &= ~(1 << ALL_ZERO_FLAG_OFFSET); } } } #if CONFIG_EXT_INTER if (is_compound) mode_ctx = compound_inter_mode_ctx[mbmi->ref_frame[0]]; else #endif // CONFIG_EXT_INTER mode_ctx = av1_mode_context_analyzer(inter_mode_ctx, mbmi->ref_frame, bsize, -1); mbmi->ref_mv_idx = 0; #else mode_ctx = inter_mode_ctx[mbmi->ref_frame[0]]; #endif if (segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) { mbmi->mode = ZEROMV; if (bsize < BLOCK_8X8 && !unify_bsize) { aom_internal_error(xd->error_info, AOM_CODEC_UNSUP_BITSTREAM, "Invalid usage of segement feature on small blocks"); return; } } else { if (bsize >= BLOCK_8X8 || unify_bsize) { #if CONFIG_EXT_INTER if (is_compound) mbmi->mode = read_inter_compound_mode(cm, xd, r, mode_ctx); else #endif // CONFIG_EXT_INTER mbmi->mode = read_inter_mode(ec_ctx, xd, r, mode_ctx); #if CONFIG_REF_MV #if CONFIG_EXT_INTER if (mbmi->mode == NEWMV || mbmi->mode == NEW_NEWMV || have_nearmv_in_inter_mode(mbmi->mode)) #else if (mbmi->mode == NEARMV || mbmi->mode == NEWMV) #endif read_drl_idx(cm, xd, mbmi, r); #endif } } #if CONFIG_EXT_INTER if ((bsize < BLOCK_8X8 && unify_bsize) || (mbmi->mode != ZEROMV && mbmi->mode != ZERO_ZEROMV)) { #else if ((bsize < BLOCK_8X8 && !unify_bsize) || mbmi->mode != ZEROMV) { #endif // CONFIG_EXT_INTER for (ref = 0; ref < 1 + is_compound; ++ref) { av1_find_best_ref_mvs(allow_hp, ref_mvs[mbmi->ref_frame[ref]], &nearestmv[ref], &nearmv[ref]); } } #if CONFIG_REF_MV if (mbmi->ref_mv_idx > 0) { int_mv cur_mv = xd->ref_mv_stack[mbmi->ref_frame[0]][1 + mbmi->ref_mv_idx].this_mv; nearmv[0] = cur_mv; } #if CONFIG_EXT_INTER if (is_compound && (bsize >= BLOCK_8X8 || unify_bsize) && mbmi->mode != ZERO_ZEROMV) { #else if (is_compound && (bsize >= BLOCK_8X8 || unify_bsize) && mbmi->mode != NEWMV && mbmi->mode != ZEROMV) { #endif // CONFIG_EXT_INTER uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame); #if CONFIG_EXT_INTER if (xd->ref_mv_count[ref_frame_type] > 0) { #else if (xd->ref_mv_count[ref_frame_type] == 1 && mbmi->mode == NEARESTMV) { #endif // CONFIG_EXT_INTER #if CONFIG_EXT_INTER if (mbmi->mode == NEAREST_NEARESTMV) { #endif // CONFIG_EXT_INTER nearestmv[0] = xd->ref_mv_stack[ref_frame_type][0].this_mv; nearestmv[1] = xd->ref_mv_stack[ref_frame_type][0].comp_mv; lower_mv_precision(&nearestmv[0].as_mv, allow_hp); lower_mv_precision(&nearestmv[1].as_mv, allow_hp); #if CONFIG_EXT_INTER } else if (mbmi->mode == NEAREST_NEWMV || mbmi->mode == NEAREST_NEARMV) { nearestmv[0] = xd->ref_mv_stack[ref_frame_type][0].this_mv; lower_mv_precision(&nearestmv[0].as_mv, allow_hp); } else if (mbmi->mode == NEW_NEARESTMV || mbmi->mode == NEAR_NEARESTMV) { nearestmv[1] = xd->ref_mv_stack[ref_frame_type][0].comp_mv; lower_mv_precision(&nearestmv[1].as_mv, allow_hp); } #endif // CONFIG_EXT_INTER } #if CONFIG_EXT_INTER if (xd->ref_mv_count[ref_frame_type] > 1) { int ref_mv_idx = 1 + mbmi->ref_mv_idx; if (compound_ref0_mode(mbmi->mode) == NEARMV) { nearmv[0] = xd->ref_mv_stack[ref_frame_type][ref_mv_idx].this_mv; lower_mv_precision(&nearmv[0].as_mv, allow_hp); } if (compound_ref1_mode(mbmi->mode) == NEARMV) { nearmv[1] = xd->ref_mv_stack[ref_frame_type][ref_mv_idx].comp_mv; lower_mv_precision(&nearmv[1].as_mv, allow_hp); } } #else if (xd->ref_mv_count[ref_frame_type] > 1) { int ref_mv_idx = 1 + mbmi->ref_mv_idx; nearestmv[0] = xd->ref_mv_stack[ref_frame_type][0].this_mv; nearestmv[1] = xd->ref_mv_stack[ref_frame_type][0].comp_mv; nearmv[0] = xd->ref_mv_stack[ref_frame_type][ref_mv_idx].this_mv; nearmv[1] = xd->ref_mv_stack[ref_frame_type][ref_mv_idx].comp_mv; } #endif // CONFIG_EXT_INTER } #endif #if !CONFIG_DUAL_FILTER && !CONFIG_WARPED_MOTION && !CONFIG_GLOBAL_MOTION read_mb_interp_filter(cm, xd, mbmi, r); #endif // !CONFIG_DUAL_FILTER && !CONFIG_WARPED_MOTION if (bsize < BLOCK_8X8 && !unify_bsize) { const int num_4x4_w = 1 << xd->bmode_blocks_wl; const int num_4x4_h = 1 << xd->bmode_blocks_hl; int idx, idy; PREDICTION_MODE b_mode; int_mv nearest_sub8x8[2], near_sub8x8[2]; #if CONFIG_EXT_INTER int_mv ref_mv[2][2]; #endif // CONFIG_EXT_INTER for (idy = 0; idy < 2; idy += num_4x4_h) { for (idx = 0; idx < 2; idx += num_4x4_w) { int_mv block[2]; const int j = idy * 2 + idx; int_mv ref_mv_s8[2]; #if CONFIG_REF_MV #if CONFIG_EXT_INTER if (!is_compound) #endif // CONFIG_EXT_INTER mode_ctx = av1_mode_context_analyzer(inter_mode_ctx, mbmi->ref_frame, bsize, j); #endif #if CONFIG_EXT_INTER if (is_compound) b_mode = read_inter_compound_mode(cm, xd, r, mode_ctx); else #endif // CONFIG_EXT_INTER b_mode = read_inter_mode(ec_ctx, xd, r, mode_ctx); #if CONFIG_EXT_INTER if (b_mode != ZEROMV && b_mode != ZERO_ZEROMV) { #else if (b_mode != ZEROMV) { #endif // CONFIG_EXT_INTER #if CONFIG_REF_MV CANDIDATE_MV ref_mv_stack[2][MAX_REF_MV_STACK_SIZE]; uint8_t ref_mv_count[2]; #endif for (ref = 0; ref < 1 + is_compound; ++ref) #if CONFIG_EXT_INTER { int_mv mv_ref_list[MAX_MV_REF_CANDIDATES]; av1_update_mv_context(cm, xd, mi, mbmi->ref_frame[ref], mv_ref_list, j, mi_row, mi_col, NULL); #endif // CONFIG_EXT_INTER av1_append_sub8x8_mvs_for_idx(cm, xd, j, ref, mi_row, mi_col, #if CONFIG_REF_MV ref_mv_stack[ref], &ref_mv_count[ref], #endif #if CONFIG_EXT_INTER mv_ref_list, #endif // CONFIG_EXT_INTER &nearest_sub8x8[ref], &near_sub8x8[ref]); #if CONFIG_EXT_INTER if (have_newmv_in_inter_mode(b_mode)) { mv_ref_list[0].as_int = nearest_sub8x8[ref].as_int; mv_ref_list[1].as_int = near_sub8x8[ref].as_int; av1_find_best_ref_mvs(allow_hp, mv_ref_list, &ref_mv[0][ref], &ref_mv[1][ref]); } } #endif // CONFIG_EXT_INTER } for (ref = 0; ref < 1 + is_compound && b_mode != ZEROMV; ++ref) { #if CONFIG_REF_MV ref_mv_s8[ref] = nearest_sub8x8[ref]; lower_mv_precision(&ref_mv_s8[ref].as_mv, allow_hp); #else ref_mv_s8[ref] = nearestmv[ref]; #endif } #if CONFIG_EXT_INTER (void)ref_mv_s8; #endif if (!assign_mv(cm, xd, b_mode, mbmi->ref_frame, j, block, #if CONFIG_EXT_INTER ref_mv[0], #else // !CONFIG_EXT_INTER ref_mv_s8, #endif // CONFIG_EXT_INTER nearest_sub8x8, near_sub8x8, mi_row, mi_col, is_compound, allow_hp, r)) { aom_merge_corrupted_flag(&xd->corrupted, 1); break; }; mi->bmi[j].as_mv[0].as_int = block[0].as_int; mi->bmi[j].as_mode = b_mode; if (is_compound) mi->bmi[j].as_mv[1].as_int = block[1].as_int; if (num_4x4_h == 2) mi->bmi[j + 2] = mi->bmi[j]; if (num_4x4_w == 2) mi->bmi[j + 1] = mi->bmi[j]; } } #if CONFIG_REF_MV mbmi->pred_mv[0].as_int = mi->bmi[3].pred_mv[0].as_int; mbmi->pred_mv[1].as_int = mi->bmi[3].pred_mv[1].as_int; #endif mi->mbmi.mode = b_mode; mbmi->mv[0].as_int = mi->bmi[3].as_mv[0].as_int; mbmi->mv[1].as_int = mi->bmi[3].as_mv[1].as_int; } else { int_mv ref_mv[2]; ref_mv[0] = nearestmv[0]; ref_mv[1] = nearestmv[1]; #if CONFIG_EXT_INTER if (is_compound) { #if CONFIG_REF_MV int ref_mv_idx = mbmi->ref_mv_idx; // Special case: NEAR_NEWMV and NEW_NEARMV modes use // 1 + mbmi->ref_mv_idx (like NEARMV) instead of // mbmi->ref_mv_idx (like NEWMV) if (mbmi->mode == NEAR_NEWMV || mbmi->mode == NEW_NEARMV) ref_mv_idx = 1 + mbmi->ref_mv_idx; #endif if (compound_ref0_mode(mbmi->mode) == NEWMV) { #if CONFIG_REF_MV uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame); if (xd->ref_mv_count[ref_frame_type] > 1) { ref_mv[0] = xd->ref_mv_stack[ref_frame_type][ref_mv_idx].this_mv; clamp_mv_ref(&ref_mv[0].as_mv, xd->n8_w << MI_SIZE_LOG2, xd->n8_h << MI_SIZE_LOG2, xd); } #endif nearestmv[0] = ref_mv[0]; } if (compound_ref1_mode(mbmi->mode) == NEWMV) { #if CONFIG_REF_MV uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame); if (xd->ref_mv_count[ref_frame_type] > 1) { ref_mv[1] = xd->ref_mv_stack[ref_frame_type][ref_mv_idx].comp_mv; clamp_mv_ref(&ref_mv[1].as_mv, xd->n8_w << MI_SIZE_LOG2, xd->n8_h << MI_SIZE_LOG2, xd); } #endif nearestmv[1] = ref_mv[1]; } } else { #endif // CONFIG_EXT_INTER if (mbmi->mode == NEWMV) { for (ref = 0; ref < 1 + is_compound; ++ref) { #if CONFIG_REF_MV uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame); if (xd->ref_mv_count[ref_frame_type] > 1) { ref_mv[ref] = (ref == 0) ? xd->ref_mv_stack[ref_frame_type][mbmi->ref_mv_idx].this_mv : xd->ref_mv_stack[ref_frame_type][mbmi->ref_mv_idx] .comp_mv; clamp_mv_ref(&ref_mv[ref].as_mv, xd->n8_w << MI_SIZE_LOG2, xd->n8_h << MI_SIZE_LOG2, xd); } #endif nearestmv[ref] = ref_mv[ref]; } } #if CONFIG_EXT_INTER } #endif // CONFIG_EXT_INTER int mv_corrupted_flag = !assign_mv(cm, xd, mbmi->mode, mbmi->ref_frame, 0, mbmi->mv, ref_mv, nearestmv, nearmv, mi_row, mi_col, is_compound, allow_hp, r); aom_merge_corrupted_flag(&xd->corrupted, mv_corrupted_flag); } #if CONFIG_EXT_INTER mbmi->use_wedge_interintra = 0; if (cm->reference_mode != COMPOUND_REFERENCE && #if CONFIG_SUPERTX !supertx_enabled && #endif is_interintra_allowed(mbmi)) { const int bsize_group = size_group_lookup[bsize]; const int interintra = aom_read(r, cm->fc->interintra_prob[bsize_group], ACCT_STR); if (xd->counts) xd->counts->interintra[bsize_group][interintra]++; assert(mbmi->ref_frame[1] == NONE_FRAME); if (interintra) { const INTERINTRA_MODE interintra_mode = read_interintra_mode(cm, xd, r, bsize_group); mbmi->ref_frame[1] = INTRA_FRAME; mbmi->interintra_mode = interintra_mode; #if CONFIG_EXT_INTRA mbmi->angle_delta[0] = 0; mbmi->angle_delta[1] = 0; #if CONFIG_INTRA_INTERP mbmi->intra_filter = INTRA_FILTER_LINEAR; #endif // CONFIG_INTRA_INTERP #endif // CONFIG_EXT_INTRA #if CONFIG_FILTER_INTRA mbmi->filter_intra_mode_info.use_filter_intra_mode[0] = 0; mbmi->filter_intra_mode_info.use_filter_intra_mode[1] = 0; #endif // CONFIG_FILTER_INTRA if (is_interintra_wedge_used(bsize)) { mbmi->use_wedge_interintra = aom_read(r, cm->fc->wedge_interintra_prob[bsize], ACCT_STR); if (xd->counts) xd->counts->wedge_interintra[bsize][mbmi->use_wedge_interintra]++; if (mbmi->use_wedge_interintra) { mbmi->interintra_wedge_index = aom_read_literal(r, get_wedge_bits_lookup(bsize), ACCT_STR); mbmi->interintra_wedge_sign = 0; } } } } #endif // CONFIG_EXT_INTER #if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION mbmi->motion_mode = SIMPLE_TRANSLATION; #if CONFIG_WARPED_MOTION if (mbmi->sb_type >= BLOCK_8X8 && !has_second_ref(mbmi)) mbmi->num_proj_ref[0] = findSamples(cm, xd, mi_row, mi_col, pts, pts_inref); #endif // CONFIG_WARPED_MOTION #if CONFIG_MOTION_VAR av1_count_overlappable_neighbors(cm, xd, mi_row, mi_col); #endif #if CONFIG_SUPERTX if (!supertx_enabled) { #endif // CONFIG_SUPERTX #if CONFIG_EXT_INTER if (mbmi->ref_frame[1] != INTRA_FRAME) #endif // CONFIG_EXT_INTER mbmi->motion_mode = read_motion_mode(cm, xd, mi, r); #if CONFIG_WARPED_MOTION if (mbmi->motion_mode == WARPED_CAUSAL) { mbmi->wm_params[0].wmtype = DEFAULT_WMTYPE; if (find_projection(mbmi->num_proj_ref[0], pts, pts_inref, bsize, mbmi->mv[0].as_mv.row, mbmi->mv[0].as_mv.col, &mbmi->wm_params[0], mi_row, mi_col)) { assert(0 && "Invalid Warped Model."); } } #endif // CONFIG_WARPED_MOTION #if CONFIG_SUPERTX } #endif // CONFIG_SUPERTX #endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION #if CONFIG_EXT_INTER mbmi->interinter_compound_type = COMPOUND_AVERAGE; if (cm->reference_mode != SINGLE_REFERENCE && is_inter_compound_mode(mbmi->mode) #if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION && mbmi->motion_mode == SIMPLE_TRANSLATION #endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION ) { if (is_any_masked_compound_used(bsize)) { #if CONFIG_COMPOUND_SEGMENT || CONFIG_WEDGE mbmi->interinter_compound_type = aom_read_tree(r, av1_compound_type_tree, cm->fc->compound_type_prob[bsize], ACCT_STR); #endif // CONFIG_COMPOUND_SEGMENT || CONFIG_WEDGE #if CONFIG_WEDGE if (mbmi->interinter_compound_type == COMPOUND_WEDGE) { mbmi->wedge_index = aom_read_literal(r, get_wedge_bits_lookup(bsize), ACCT_STR); mbmi->wedge_sign = aom_read_bit(r, ACCT_STR); } #endif // CONFIG_WEDGE #if CONFIG_COMPOUND_SEGMENT if (mbmi->interinter_compound_type == COMPOUND_SEG) { mbmi->mask_type = aom_read_literal(r, MAX_SEG_MASK_BITS, ACCT_STR); } #endif // CONFIG_COMPOUND_SEGMENT } else { mbmi->interinter_compound_type = COMPOUND_AVERAGE; } if (xd->counts) xd->counts->compound_interinter[bsize][mbmi->interinter_compound_type]++; } #endif // CONFIG_EXT_INTER #if CONFIG_DUAL_FILTER || CONFIG_WARPED_MOTION || CONFIG_GLOBAL_MOTION read_mb_interp_filter(cm, xd, mbmi, r); #endif // CONFIG_DUAL_FILTER || CONFIG_WARPED_MOTION } static void read_inter_frame_mode_info(AV1Decoder *const pbi, MACROBLOCKD *const xd, #if CONFIG_SUPERTX int supertx_enabled, #endif // CONFIG_SUPERTX int mi_row, int mi_col, aom_reader *r) { AV1_COMMON *const cm = &pbi->common; MODE_INFO *const mi = xd->mi[0]; MB_MODE_INFO *const mbmi = &mi->mbmi; int inter_block = 1; #if CONFIG_VAR_TX BLOCK_SIZE bsize = mbmi->sb_type; #endif // CONFIG_VAR_TX mbmi->mv[0].as_int = 0; mbmi->mv[1].as_int = 0; mbmi->segment_id = read_inter_segment_id(cm, xd, mi_row, mi_col, r); #if CONFIG_SUPERTX if (!supertx_enabled) #endif // CONFIG_SUPERTX mbmi->skip = read_skip(cm, xd, mbmi->segment_id, r); #if CONFIG_DELTA_Q if (cm->delta_q_present_flag) { xd->current_qindex = xd->prev_qindex + read_delta_qindex(cm, xd, r, mbmi, mi_col, mi_row) * cm->delta_q_res; /* Normative: Clamp to [1,MAXQ] to not interfere with lossless mode */ xd->current_qindex = clamp(xd->current_qindex, 1, MAXQ); xd->prev_qindex = xd->current_qindex; #if CONFIG_EXT_DELTA_Q if (cm->delta_lf_present_flag) { mbmi->current_delta_lf_from_base = xd->current_delta_lf_from_base = xd->prev_delta_lf_from_base + read_delta_lflevel(cm, xd, r, mbmi, mi_col, mi_row) * cm->delta_lf_res; xd->prev_delta_lf_from_base = xd->current_delta_lf_from_base; } #endif } #endif #if CONFIG_SUPERTX if (!supertx_enabled) { #endif // CONFIG_SUPERTX inter_block = read_is_inter_block(cm, xd, mbmi->segment_id, r); #if CONFIG_VAR_TX xd->above_txfm_context = cm->above_txfm_context + mi_col; xd->left_txfm_context = xd->left_txfm_context_buffer + (mi_row & MAX_MIB_MASK); if (cm->tx_mode == TX_MODE_SELECT && #if CONFIG_CB4X4 bsize > BLOCK_4X4 && #else bsize >= BLOCK_8X8 && #endif !mbmi->skip && inter_block) { const TX_SIZE max_tx_size = max_txsize_rect_lookup[bsize]; const int bh = tx_size_high_unit[max_tx_size]; const int bw = tx_size_wide_unit[max_tx_size]; const int width = block_size_wide[bsize] >> tx_size_wide_log2[0]; const int height = block_size_high[bsize] >> tx_size_wide_log2[0]; int idx, idy; mbmi->min_tx_size = TX_SIZES_ALL; for (idy = 0; idy < height; idy += bh) for (idx = 0; idx < width; idx += bw) read_tx_size_vartx(cm, xd, mbmi, xd->counts, max_tx_size, height != width, idy, idx, r); } else { mbmi->tx_size = read_tx_size(cm, xd, inter_block, !mbmi->skip, r); if (inter_block) { const int width = block_size_wide[bsize] >> tx_size_wide_log2[0]; const int height = block_size_high[bsize] >> tx_size_high_log2[0]; int idx, idy; for (idy = 0; idy < height; ++idy) for (idx = 0; idx < width; ++idx) mbmi->inter_tx_size[idy >> 1][idx >> 1] = mbmi->tx_size; } mbmi->min_tx_size = get_min_tx_size(mbmi->tx_size); set_txfm_ctxs(mbmi->tx_size, xd->n8_w, xd->n8_h, mbmi->skip, xd); } #else mbmi->tx_size = read_tx_size(cm, xd, inter_block, !mbmi->skip, r); #endif // CONFIG_VAR_TX #if CONFIG_SUPERTX } #if CONFIG_VAR_TX else if (inter_block) { const int width = num_4x4_blocks_wide_lookup[bsize]; const int height = num_4x4_blocks_high_lookup[bsize]; int idx, idy; xd->mi[0]->mbmi.tx_size = xd->supertx_size; for (idy = 0; idy < height; ++idy) for (idx = 0; idx < width; ++idx) xd->mi[0]->mbmi.inter_tx_size[idy >> 1][idx >> 1] = xd->supertx_size; } #endif // CONFIG_VAR_TX #endif // CONFIG_SUPERTX if (inter_block) read_inter_block_mode_info(pbi, xd, #if (CONFIG_MOTION_VAR || CONFIG_EXT_INTER || CONFIG_WARPED_MOTION) && \ CONFIG_SUPERTX mi, mi_row, mi_col, r, supertx_enabled); #else mi, mi_row, mi_col, r); #endif // CONFIG_MOTION_VAR && CONFIG_SUPERTX else read_intra_block_mode_info(cm, mi_row, mi_col, xd, mi, r); #if !CONFIG_TXK_SEL av1_read_tx_type(cm, xd, #if CONFIG_SUPERTX supertx_enabled, #endif r); #endif // !CONFIG_TXK_SEL } void av1_read_mode_info(AV1Decoder *const pbi, MACROBLOCKD *xd, #if CONFIG_SUPERTX int supertx_enabled, #endif // CONFIG_SUPERTX int mi_row, int mi_col, aom_reader *r, int x_mis, int y_mis) { AV1_COMMON *const cm = &pbi->common; MODE_INFO *const mi = xd->mi[0]; MV_REF *frame_mvs = cm->cur_frame->mvs + mi_row * cm->mi_cols + mi_col; int w, h; #if CONFIG_INTRABC mi->mbmi.use_intrabc = 0; #endif // CONFIG_INTRABC if (frame_is_intra_only(cm)) { read_intra_frame_mode_info(cm, xd, mi_row, mi_col, r); #if CONFIG_REF_MV for (h = 0; h < y_mis; ++h) { MV_REF *const frame_mv = frame_mvs + h * cm->mi_cols; for (w = 0; w < x_mis; ++w) { MV_REF *const mv = frame_mv + w; mv->ref_frame[0] = NONE_FRAME; mv->ref_frame[1] = NONE_FRAME; } } #endif } else { read_inter_frame_mode_info(pbi, xd, #if CONFIG_SUPERTX supertx_enabled, #endif // CONFIG_SUPERTX mi_row, mi_col, r); for (h = 0; h < y_mis; ++h) { MV_REF *const frame_mv = frame_mvs + h * cm->mi_cols; for (w = 0; w < x_mis; ++w) { MV_REF *const mv = frame_mv + w; mv->ref_frame[0] = mi->mbmi.ref_frame[0]; mv->ref_frame[1] = mi->mbmi.ref_frame[1]; mv->mv[0].as_int = mi->mbmi.mv[0].as_int; mv->mv[1].as_int = mi->mbmi.mv[1].as_int; #if CONFIG_REF_MV mv->pred_mv[0].as_int = mi->mbmi.pred_mv[0].as_int; mv->pred_mv[1].as_int = mi->mbmi.pred_mv[1].as_int; #endif } } } }