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-rw-r--r--third_party/aom/av1/decoder/decodemv.c2405
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
+ }
+ }
+ }
+}