| /* |
| * 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 <assert.h> |
| |
| #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) { |
| int l = get_unsigned_bits(n); |
| int m = (1 << l) - n; |
| 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_64X64 || 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; |
| } |
| #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, |
| #if CONFIG_REF_MV && CONFIG_EXT_INTER |
| MB_MODE_INFO *mbmi, |
| #endif |
| 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]; |
| |
| #if CONFIG_EXT_INTER |
| if (has_second_ref(mbmi)) { |
| #endif // CONFIG_EXT_INTER |
| return NEWMV; |
| #if CONFIG_EXT_INTER |
| } else { |
| mode_prob = ec_ctx->new2mv_prob; |
| if (aom_read(r, mode_prob, ACCT_STR) == 0) { |
| if (counts) ++counts->new2mv_mode[0]; |
| return NEWMV; |
| } else { |
| if (counts) ++counts->new2mv_mode[1]; |
| return NEWFROMNEARMV; |
| } |
| } |
| #endif // CONFIG_EXT_INTER |
| } |
| 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 (mbmi->mode == NEWMV) { |
| 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 (mbmi->mode == NEARMV) { |
| 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]; |
| for (i = 0; i < n; ++i) |
| pmi->palette_colors[i] = aom_read_literal(r, cm->bit_depth, ACCT_STR); |
| |
| 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]; |
| 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); |
| } |
| 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 |
| 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)) { |
| const int max_angle_delta = av1_get_max_angle_delta(mbmi->sb_type, 0); |
| 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] * av1_get_angle_step(mbmi->sb_type, 0); |
| if (av1_is_intra_filter_switchable(p_angle)) { |
| FRAME_COUNTS *counts = xd->counts; |
| mbmi->intra_filter = aom_read_tree( |
| r, av1_intra_filter_tree, cm->fc->intra_filter_probs[ctx], ACCT_STR); |
| 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_UV + 1) - MAX_ANGLE_DELTA_UV; |
| } |
| } |
| #endif // CONFIG_EXT_INTRA |
| |
| static void read_tx_type(const AV1_COMMON *const cm, MACROBLOCKD *xd, |
| MB_MODE_INFO *mbmi, |
| #if CONFIG_SUPERTX |
| int supertx_enabled, |
| #endif |
| aom_reader *r) { |
| 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 (!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) { |
| mbmi->tx_type = aom_read_tree( |
| r, av1_ext_tx_inter_tree[eset], |
| ec_ctx->inter_ext_tx_prob[eset][square_tx_size], ACCT_STR); |
| if (counts) |
| ++counts->inter_ext_tx[eset][square_tx_size][mbmi->tx_type]; |
| } |
| } else if (ALLOW_INTRA_EXT_TX) { |
| if (eset > 0) { |
| mbmi->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); |
| if (counts) |
| ++counts->intra_ext_tx[eset][square_tx_size][mbmi->mode] |
| [mbmi->tx_type]; |
| } |
| } |
| } else { |
| mbmi->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 |
| mbmi->tx_type = av1_ext_tx_inv[aom_read_symbol( |
| r, ec_ctx->inter_ext_tx_cdf[tx_size], TX_TYPES, ACCT_STR)]; |
| #else |
| mbmi->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][mbmi->tx_type]; |
| } else { |
| const TX_TYPE tx_type_nom = intra_mode_to_tx_type_context[mbmi->mode]; |
| #if CONFIG_EC_MULTISYMBOL |
| mbmi->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 |
| mbmi->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][mbmi->tx_type]; |
| } |
| } else { |
| mbmi->tx_type = DCT_DCT; |
| } |
| #endif // CONFIG_EXT_TX |
| } |
| } |
| |
| 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; |
| xd->prev_qindex = xd->current_qindex; |
| } |
| #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_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 (bsize >= BLOCK_8X8 || is_chroma_reference(mi_row, mi_col)) |
| 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 |
| |
| read_tx_type(cm, xd, mbmi, |
| #if CONFIG_SUPERTX |
| 0, |
| #endif |
| r); |
| } |
| |
| 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 (cm->reference_mode == REFERENCE_MODE_SELECT) { |
| const int ctx = av1_get_reference_mode_context(cm, xd); |
| |
| #if !SUB8X8_COMP_REF |
| if (xd->mi[0]->mbmi.sb_type < BLOCK_8X8) return SINGLE_REFERENCE; |
| #endif |
| |
| 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_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 |
| 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 CONFIG_GLOBAL_MOTION |
| if (is_nontrans_global_motion(xd)) { |
| #if CONFIG_DUAL_FILTER |
| mbmi->interp_filter[0] = |
| cm->interp_filter == SWITCHABLE ? EIGHTTAP_REGULAR : cm->interp_filter; |
| mbmi->interp_filter[1] = |
| cm->interp_filter == SWITCHABLE ? EIGHTTAP_REGULAR : cm->interp_filter; |
| #else |
| mbmi->interp_filter = |
| cm->interp_filter == SWITCHABLE ? EIGHTTAP_REGULAR : cm->interp_filter; |
| #endif // CONFIG_DUAL_FILTER |
| return; |
| } |
| #endif // CONFIG_GLOBAL_MOTION |
| |
| #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 (bsize >= BLOCK_8X8 || is_chroma_reference(mi_row, mi_col)) |
| 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) { |
| #if CONFIG_EXT_INTER |
| case NEWFROMNEARMV: |
| #endif // CONFIG_EXT_INTER |
| case NEWMV: { |
| FRAME_COUNTS *counts = xd->counts; |
| #if !CONFIG_REF_MV |
| 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_counts *const mv_counts = |
| counts ? &counts->mv[nmv_ctx] : NULL; |
| read_mv(r, &mv[i].as_mv, &ref_mv[i].as_mv, &ec_ctx->nmvc[nmv_ctx], |
| mv_counts, allow_hp); |
| #else |
| read_mv(r, &mv[i].as_mv, &ref_mv[i].as_mv, &ec_ctx->nmvc, mv_counts, |
| allow_hp); |
| #endif |
| 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_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_counts *const mv_counts = |
| counts ? &counts->mv[nmv_ctx] : NULL; |
| read_mv(r, &mv[i].as_mv, &ref_mv[i].as_mv, &ec_ctx->nmvc[nmv_ctx], |
| mv_counts, allow_hp); |
| #else |
| read_mv(r, &mv[i].as_mv, &ref_mv[i].as_mv, &ec_ctx->nmvc, mv_counts, |
| allow_hp); |
| #endif |
| 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_counts *const mv_counts = |
| counts ? &counts->mv[nmv_ctx] : NULL; |
| read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, &ec_ctx->nmvc[nmv_ctx], |
| mv_counts, allow_hp); |
| #else |
| nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL; |
| read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, &ec_ctx->nmvc, mv_counts, |
| allow_hp); |
| #endif |
| 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; |
| mv[0].as_int = nearest_mv[0].as_int; |
| read_mv(r, &mv[1].as_mv, &ref_mv[1].as_mv, &ec_ctx->nmvc[nmv_ctx], |
| mv_counts, allow_hp); |
| #else |
| nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL; |
| mv[0].as_int = nearest_mv[0].as_int; |
| read_mv(r, &mv[1].as_mv, &ref_mv[1].as_mv, &ec_ctx->nmvc, mv_counts, |
| allow_hp); |
| #endif |
| 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_counts *const mv_counts = |
| counts ? &counts->mv[nmv_ctx] : NULL; |
| mv[0].as_int = near_mv[0].as_int; |
| read_mv(r, &mv[1].as_mv, &ref_mv[1].as_mv, &ec_ctx->nmvc[nmv_ctx], |
| mv_counts, allow_hp); |
| #else |
| nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL; |
| mv[0].as_int = near_mv[0].as_int; |
| read_mv(r, &mv[1].as_mv, &ref_mv[1].as_mv, &ec_ctx->nmvc, mv_counts, |
| allow_hp); |
| #endif |
| 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_counts *const mv_counts = |
| counts ? &counts->mv[nmv_ctx] : NULL; |
| read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, &ec_ctx->nmvc[nmv_ctx], |
| mv_counts, allow_hp); |
| #else |
| nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL; |
| read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, &ec_ctx->nmvc, mv_counts, |
| allow_hp); |
| #endif |
| 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]; |
| #if CONFIG_EXT_INTER |
| int mv_idx; |
| #endif // CONFIG_EXT_INTER |
| 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 |
| |
| 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) { |
| 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[0]][0].as_int != zeromv[0].as_int || |
| ref_mvs[rf[0]][1].as_int != zeromv[0].as_int || |
| ref_mvs[rf[1]][0].as_int != zeromv[1].as_int || |
| ref_mvs[rf[1]][1].as_int != zeromv[1].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) { |
| 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, |
| #if CONFIG_REF_MV && CONFIG_EXT_INTER |
| mbmi, |
| #endif // CONFIG_REF_MV && CONFIG_EXT_INTER |
| r, mode_ctx); |
| #if CONFIG_REF_MV |
| if (mbmi->mode == NEARMV || mbmi->mode == NEWMV) |
| 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) { |
| if (mbmi->mode == NEAR_NEWMV || mbmi->mode == NEAR_NEARESTMV || |
| mbmi->mode == NEAR_NEARMV) { |
| nearmv[0] = xd->ref_mv_stack[ref_frame_type][1].this_mv; |
| lower_mv_precision(&nearmv[0].as_mv, allow_hp); |
| } |
| |
| if (mbmi->mode == NEW_NEARMV || mbmi->mode == NEAREST_NEARMV || |
| mbmi->mode == NEAR_NEARMV) { |
| nearmv[1] = xd->ref_mv_stack[ref_frame_type][1].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, |
| #if CONFIG_REF_MV && CONFIG_EXT_INTER |
| mbmi, |
| #endif // CONFIG_REF_MV && CONFIG_EXT_INTER |
| r, mode_ctx); |
| |
| #if CONFIG_EXT_INTER |
| mv_idx = (b_mode == NEWFROMNEARMV) ? 1 : 0; |
| |
| 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[mv_idx], |
| #else |
| 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]; |
| |
| for (ref = 0; ref < 1 + is_compound && mbmi->mode == NEWMV; ++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]; |
| } |
| |
| int mv_corrupted_flag = |
| !assign_mv(cm, xd, mbmi->mode, mbmi->ref_frame, 0, mbmi->mv, |
| #if CONFIG_EXT_INTER |
| mbmi->mode == NEWFROMNEARMV ? nearmv : nearestmv, |
| #else |
| ref_mv, |
| #endif // CONFIG_EXT_INTER |
| 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); |
| assert_motion_mode_valid(mbmi->motion_mode, |
| #if CONFIG_GLOBAL_MOTION && SEPARATE_GLOBAL_MOTION |
| 0, xd->global_motion, |
| #endif // CONFIG_GLOBAL_MOTION && SEPARATE_GLOBAL_MOTION |
| xd->mi[0]); |
| |
| #if CONFIG_WARPED_MOTION |
| if (mbmi->motion_mode == WARPED_CAUSAL) { |
| mbmi->wm_params[0].wmtype = DEFAULT_WMTYPE; |
| find_projection(mbmi->num_proj_ref[0], pts, pts_inref, |
| &mbmi->wm_params[0], mi_row, mi_col); |
| } |
| #endif // CONFIG_WARPED_MOTION |
| #if CONFIG_SUPERTX |
| } |
| #endif // CONFIG_SUPERTX |
| #endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION |
| |
| #if CONFIG_EXT_INTER |
| mbmi->interinter_compound_data.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)) { |
| mbmi->interinter_compound_data.type = |
| aom_read_tree(r, av1_compound_type_tree, |
| cm->fc->compound_type_prob[bsize], ACCT_STR); |
| if (mbmi->interinter_compound_data.type == COMPOUND_WEDGE) { |
| mbmi->interinter_compound_data.wedge_index = |
| aom_read_literal(r, get_wedge_bits_lookup(bsize), ACCT_STR); |
| mbmi->interinter_compound_data.wedge_sign = aom_read_bit(r, ACCT_STR); |
| } |
| #if CONFIG_COMPOUND_SEGMENT |
| else if (mbmi->interinter_compound_data.type == COMPOUND_SEG) { |
| mbmi->interinter_compound_data.mask_type = |
| aom_read_literal(r, MAX_SEG_MASK_BITS, ACCT_STR); |
| } |
| #endif // CONFIG_COMPOUND_SEGMENT |
| } else { |
| mbmi->interinter_compound_data.type = COMPOUND_AVERAGE; |
| } |
| if (xd->counts) |
| xd->counts |
| ->compound_interinter[bsize][mbmi->interinter_compound_data.type]++; |
| } |
| #endif // CONFIG_EXT_INTER |
| |
| #if CONFIG_WARPED_MOTION |
| if (mbmi->motion_mode != WARPED_CAUSAL) { |
| #endif // CONFIG_WARPED_MOTION |
| #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 CONFIG_WARPED_MOTION |
| } else { |
| #if CONFIG_DUAL_FILTER |
| mbmi->interp_filter[0] = |
| cm->interp_filter == SWITCHABLE ? EIGHTTAP_REGULAR : cm->interp_filter; |
| mbmi->interp_filter[1] = |
| cm->interp_filter == SWITCHABLE ? EIGHTTAP_REGULAR : cm->interp_filter; |
| #else |
| mbmi->interp_filter = |
| cm->interp_filter == SWITCHABLE ? EIGHTTAP_REGULAR : cm->interp_filter; |
| #endif // CONFIG_DUAL_FILTER |
| } |
| #endif // 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; |
| xd->prev_qindex = xd->current_qindex; |
| } |
| #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); |
| |
| read_tx_type(cm, xd, mbmi, |
| #if CONFIG_SUPERTX |
| supertx_enabled, |
| #endif |
| r); |
| } |
| |
| 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 (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 |
| } |
| } |
| } |
| } |
