diff options
Diffstat (limited to 'third_party/aom/av1/decoder/decodemv.c')
| -rw-r--r-- | third_party/aom/av1/decoder/decodemv.c | 2405 |
1 files changed, 2405 insertions, 0 deletions
diff --git a/third_party/aom/av1/decoder/decodemv.c b/third_party/aom/av1/decoder/decodemv.c new file mode 100644 index 000000000..ec0f87751 --- /dev/null +++ b/third_party/aom/av1/decoder/decodemv.c @@ -0,0 +1,2405 @@ +/* + * 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) { + 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 + } + } + } +} |