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-rw-r--r--third_party/aom/av1/encoder/bitstream.c5399
1 files changed, 5399 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/bitstream.c b/third_party/aom/av1/encoder/bitstream.c
new file mode 100644
index 000000000..7cc6179ea
--- /dev/null
+++ b/third_party/aom/av1/encoder/bitstream.c
@@ -0,0 +1,5399 @@
+/*
+ * 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 <limits.h>
+#include <stdio.h>
+
+#include "aom/aom_encoder.h"
+#include "aom_dsp/bitwriter_buffer.h"
+#include "aom_dsp/aom_dsp_common.h"
+#include "aom_dsp/binary_codes_writer.h"
+#include "aom_mem/aom_mem.h"
+#include "aom_ports/mem_ops.h"
+#include "aom_ports/system_state.h"
+#if CONFIG_BITSTREAM_DEBUG
+#include "aom_util/debug_util.h"
+#endif // CONFIG_BITSTREAM_DEBUG
+
+#if CONFIG_CDEF
+#include "av1/common/cdef.h"
+#include "av1/common/clpf.h"
+#endif // CONFIG_CDEF
+#include "av1/common/entropy.h"
+#include "av1/common/entropymode.h"
+#include "av1/common/entropymv.h"
+#include "av1/common/mvref_common.h"
+#include "av1/common/odintrin.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"
+#include "av1/common/tile_common.h"
+
+#if CONFIG_ANS
+#include "aom_dsp/buf_ans.h"
+#endif // CONFIG_ANS
+#if CONFIG_LV_MAP
+#include "av1/encoder/encodetxb.h"
+#endif // CONFIG_LV_MAP
+#include "av1/encoder/bitstream.h"
+#include "av1/encoder/cost.h"
+#include "av1/encoder/encodemv.h"
+#include "av1/encoder/mcomp.h"
+#if CONFIG_PALETTE && CONFIG_PALETTE_DELTA_ENCODING
+#include "av1/encoder/palette.h"
+#endif // CONFIG_PALETTE && CONFIG_PALETTE_DELTA_ENCODING
+#include "av1/encoder/segmentation.h"
+#include "av1/encoder/subexp.h"
+#include "av1/encoder/tokenize.h"
+#if CONFIG_PVQ
+#include "av1/encoder/pvq_encoder.h"
+#endif
+
+static struct av1_token intra_mode_encodings[INTRA_MODES];
+static struct av1_token switchable_interp_encodings[SWITCHABLE_FILTERS];
+#if CONFIG_EXT_PARTITION_TYPES && !CONFIG_EC_MULTISYMBOL
+static const struct av1_token ext_partition_encodings[EXT_PARTITION_TYPES] = {
+ { 0, 1 }, { 4, 3 }, { 12, 4 }, { 7, 3 },
+ { 10, 4 }, { 11, 4 }, { 26, 5 }, { 27, 5 }
+};
+#endif
+static struct av1_token partition_encodings[PARTITION_TYPES];
+#if !CONFIG_REF_MV
+static struct av1_token inter_mode_encodings[INTER_MODES];
+#endif
+#if CONFIG_EXT_INTER
+static const struct av1_token
+ inter_compound_mode_encodings[INTER_COMPOUND_MODES] = {
+ { 2, 2 }, { 50, 6 }, { 51, 6 }, { 24, 5 }, { 52, 6 },
+ { 53, 6 }, { 54, 6 }, { 55, 6 }, { 0, 1 }, { 7, 3 }
+ };
+#endif // CONFIG_EXT_INTER
+#if CONFIG_PALETTE
+static struct av1_token palette_size_encodings[PALETTE_SIZES];
+static struct av1_token palette_color_index_encodings[PALETTE_SIZES]
+ [PALETTE_COLORS];
+#endif // CONFIG_PALETTE
+#if !CONFIG_EC_MULTISYMBOL
+static const struct av1_token tx_size_encodings[MAX_TX_DEPTH][TX_SIZES] = {
+ { { 0, 1 }, { 1, 1 } }, // Max tx_size is 8X8
+ { { 0, 1 }, { 2, 2 }, { 3, 2 } }, // Max tx_size is 16X16
+ { { 0, 1 }, { 2, 2 }, { 6, 3 }, { 7, 3 } }, // Max tx_size is 32X32
+#if CONFIG_TX64X64
+ { { 0, 1 }, { 2, 2 }, { 6, 3 }, { 14, 4 }, { 15, 4 } }, // Max tx_size 64X64
+#endif // CONFIG_TX64X64
+};
+#endif
+
+#if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA || CONFIG_PALETTE
+static INLINE void write_uniform(aom_writer *w, int n, int v) {
+ const int l = get_unsigned_bits(n);
+ const int m = (1 << l) - n;
+ if (l == 0) return;
+ if (v < m) {
+ aom_write_literal(w, v, l - 1);
+ } else {
+ aom_write_literal(w, m + ((v - m) >> 1), l - 1);
+ aom_write_literal(w, (v - m) & 1, 1);
+ }
+}
+#endif // CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA || CONFIG_PALETTE
+
+#if CONFIG_EXT_TX
+static struct av1_token ext_tx_inter_encodings[EXT_TX_SETS_INTER][TX_TYPES];
+static struct av1_token ext_tx_intra_encodings[EXT_TX_SETS_INTRA][TX_TYPES];
+#else
+static struct av1_token ext_tx_encodings[TX_TYPES];
+#endif // CONFIG_EXT_TX
+#if CONFIG_GLOBAL_MOTION
+static struct av1_token global_motion_types_encodings[GLOBAL_TRANS_TYPES];
+#endif // CONFIG_GLOBAL_MOTION
+#if CONFIG_EXT_INTRA
+#if CONFIG_INTRA_INTERP
+static struct av1_token intra_filter_encodings[INTRA_FILTERS];
+#endif // CONFIG_INTRA_INTERP
+#endif // CONFIG_EXT_INTRA
+#if CONFIG_EXT_INTER
+static struct av1_token interintra_mode_encodings[INTERINTRA_MODES];
+#if CONFIG_COMPOUND_SEGMENT || CONFIG_WEDGE
+static struct av1_token compound_type_encodings[COMPOUND_TYPES];
+#endif // CONFIG_COMPOUND_SEGMENT || CONFIG_WEDGE
+#endif // CONFIG_EXT_INTER
+#if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+static struct av1_token motion_mode_encodings[MOTION_MODES];
+#endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+#if CONFIG_LOOP_RESTORATION
+static struct av1_token switchable_restore_encodings[RESTORE_SWITCHABLE_TYPES];
+#endif // CONFIG_LOOP_RESTORATION
+static void write_uncompressed_header(AV1_COMP *cpi,
+ struct aom_write_bit_buffer *wb);
+static uint32_t write_compressed_header(AV1_COMP *cpi, uint8_t *data);
+static int remux_tiles(const AV1_COMMON *const cm, uint8_t *dst,
+ const uint32_t data_size, const uint32_t max_tile_size,
+ const uint32_t max_tile_col_size,
+ int *const tile_size_bytes,
+ int *const tile_col_size_bytes);
+
+void av1_encode_token_init(void) {
+#if CONFIG_EXT_TX || CONFIG_PALETTE
+ int s;
+#endif // CONFIG_EXT_TX || CONFIG_PALETTE
+#if CONFIG_EXT_TX
+ for (s = 1; s < EXT_TX_SETS_INTER; ++s) {
+ av1_tokens_from_tree(ext_tx_inter_encodings[s], av1_ext_tx_inter_tree[s]);
+ }
+ for (s = 1; s < EXT_TX_SETS_INTRA; ++s) {
+ av1_tokens_from_tree(ext_tx_intra_encodings[s], av1_ext_tx_intra_tree[s]);
+ }
+#else
+ av1_tokens_from_tree(ext_tx_encodings, av1_ext_tx_tree);
+#endif // CONFIG_EXT_TX
+ av1_tokens_from_tree(intra_mode_encodings, av1_intra_mode_tree);
+ av1_tokens_from_tree(switchable_interp_encodings, av1_switchable_interp_tree);
+ av1_tokens_from_tree(partition_encodings, av1_partition_tree);
+#if !CONFIG_REF_MV
+ av1_tokens_from_tree(inter_mode_encodings, av1_inter_mode_tree);
+#endif
+
+#if CONFIG_PALETTE
+ av1_tokens_from_tree(palette_size_encodings, av1_palette_size_tree);
+ for (s = 0; s < PALETTE_SIZES; ++s) {
+ av1_tokens_from_tree(palette_color_index_encodings[s],
+ av1_palette_color_index_tree[s]);
+ }
+#endif // CONFIG_PALETTE
+
+#if CONFIG_EXT_INTRA && CONFIG_INTRA_INTERP
+ av1_tokens_from_tree(intra_filter_encodings, av1_intra_filter_tree);
+#endif // CONFIG_EXT_INTRA && CONFIG_INTRA_INTERP
+#if CONFIG_EXT_INTER
+ av1_tokens_from_tree(interintra_mode_encodings, av1_interintra_mode_tree);
+#if CONFIG_COMPOUND_SEGMENT || CONFIG_WEDGE
+ av1_tokens_from_tree(compound_type_encodings, av1_compound_type_tree);
+#endif // CONFIG_COMPOUND_SEGMENT || CONFIG_WEDGE
+#endif // CONFIG_EXT_INTER
+#if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+ av1_tokens_from_tree(motion_mode_encodings, av1_motion_mode_tree);
+#endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+#if CONFIG_GLOBAL_MOTION
+ av1_tokens_from_tree(global_motion_types_encodings,
+ av1_global_motion_types_tree);
+#endif // CONFIG_GLOBAL_MOTION
+#if CONFIG_LOOP_RESTORATION
+ av1_tokens_from_tree(switchable_restore_encodings,
+ av1_switchable_restore_tree);
+#endif // CONFIG_LOOP_RESTORATION
+
+#if CONFIG_EC_MULTISYMBOL
+ /* This hack is necessary when CONFIG_DUAL_FILTER is enabled because the five
+ SWITCHABLE_FILTERS are not consecutive, e.g., 0, 1, 2, 3, 4, when doing
+ an in-order traversal of the av1_switchable_interp_tree structure. */
+ av1_indices_from_tree(av1_switchable_interp_ind, av1_switchable_interp_inv,
+ av1_switchable_interp_tree);
+/* This hack is necessary because the four TX_TYPES are not consecutive,
+ e.g., 0, 1, 2, 3, when doing an in-order traversal of the av1_ext_tx_tree
+ structure. */
+#if CONFIG_EXT_TX
+ for (s = 1; s < EXT_TX_SETS_INTRA; ++s)
+ av1_indices_from_tree(av1_ext_tx_intra_ind[s], av1_ext_tx_intra_inv[s],
+ av1_ext_tx_intra_tree[s]);
+ for (s = 1; s < EXT_TX_SETS_INTER; ++s)
+ av1_indices_from_tree(av1_ext_tx_inter_ind[s], av1_ext_tx_inter_inv[s],
+ av1_ext_tx_inter_tree[s]);
+#else
+ av1_indices_from_tree(av1_ext_tx_ind, av1_ext_tx_inv, av1_ext_tx_tree);
+#endif
+ av1_indices_from_tree(av1_intra_mode_ind, av1_intra_mode_inv,
+ av1_intra_mode_tree);
+ av1_indices_from_tree(av1_inter_mode_ind, av1_inter_mode_inv,
+ av1_inter_mode_tree);
+#endif
+}
+
+static void write_intra_mode_kf(const AV1_COMMON *cm, FRAME_CONTEXT *frame_ctx,
+ const MODE_INFO *mi, const MODE_INFO *above_mi,
+ const MODE_INFO *left_mi, int block,
+ PREDICTION_MODE mode, aom_writer *w) {
+#if CONFIG_INTRABC
+ assert(!is_intrabc_block(&mi->mbmi));
+#endif // CONFIG_INTRABC
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, av1_intra_mode_ind[mode],
+ get_y_mode_cdf(frame_ctx, mi, above_mi, left_mi, block),
+ INTRA_MODES);
+ (void)cm;
+#else
+ av1_write_token(w, av1_intra_mode_tree,
+ get_y_mode_probs(cm, mi, above_mi, left_mi, block),
+ &intra_mode_encodings[mode]);
+ (void)frame_ctx;
+#endif
+}
+
+#if CONFIG_EXT_INTER
+static void write_interintra_mode(aom_writer *w, INTERINTRA_MODE mode,
+ const aom_prob *probs) {
+ av1_write_token(w, av1_interintra_mode_tree, probs,
+ &interintra_mode_encodings[mode]);
+}
+#endif // CONFIG_EXT_INTER
+
+static void write_inter_mode(aom_writer *w, PREDICTION_MODE mode,
+ FRAME_CONTEXT *ec_ctx, const int16_t mode_ctx) {
+#if CONFIG_REF_MV
+ const int16_t newmv_ctx = mode_ctx & NEWMV_CTX_MASK;
+ const aom_prob newmv_prob = ec_ctx->newmv_prob[newmv_ctx];
+
+#define IS_NEWMV_MODE(mode) ((mode) == NEWMV)
+ aom_write(w, !IS_NEWMV_MODE(mode), newmv_prob);
+
+ if (!IS_NEWMV_MODE(mode)) {
+ const int16_t zeromv_ctx = (mode_ctx >> ZEROMV_OFFSET) & ZEROMV_CTX_MASK;
+ const aom_prob zeromv_prob = ec_ctx->zeromv_prob[zeromv_ctx];
+
+ if (mode_ctx & (1 << ALL_ZERO_FLAG_OFFSET)) {
+ assert(mode == ZEROMV);
+ return;
+ }
+
+ aom_write(w, mode != ZEROMV, zeromv_prob);
+
+ if (mode != ZEROMV) {
+ int16_t refmv_ctx = (mode_ctx >> REFMV_OFFSET) & REFMV_CTX_MASK;
+ aom_prob refmv_prob;
+
+ if (mode_ctx & (1 << SKIP_NEARESTMV_OFFSET)) refmv_ctx = 6;
+ if (mode_ctx & (1 << SKIP_NEARMV_OFFSET)) refmv_ctx = 7;
+ if (mode_ctx & (1 << SKIP_NEARESTMV_SUB8X8_OFFSET)) refmv_ctx = 8;
+
+ refmv_prob = ec_ctx->refmv_prob[refmv_ctx];
+ aom_write(w, mode != NEARESTMV, refmv_prob);
+ }
+ }
+
+#undef IS_NEWMV_MODE
+
+#else // !CONFIG_REF_MV
+ assert(is_inter_mode(mode));
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, av1_inter_mode_ind[INTER_OFFSET(mode)],
+ ec_ctx->inter_mode_cdf[mode_ctx], INTER_MODES);
+#else
+ {
+ const aom_prob *const inter_probs = ec_ctx->inter_mode_probs[mode_ctx];
+ av1_write_token(w, av1_inter_mode_tree, inter_probs,
+ &inter_mode_encodings[INTER_OFFSET(mode)]);
+ }
+#endif
+#endif
+}
+
+#if CONFIG_REF_MV
+static void write_drl_idx(const AV1_COMMON *cm, const MB_MODE_INFO *mbmi,
+ const MB_MODE_INFO_EXT *mbmi_ext, aom_writer *w) {
+ uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame);
+
+ assert(mbmi->ref_mv_idx < 3);
+
+#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 (mbmi_ext->ref_mv_count[ref_frame_type] > idx + 1) {
+ uint8_t drl_ctx =
+ av1_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], idx);
+ aom_prob drl_prob = cm->fc->drl_prob[drl_ctx];
+
+ aom_write(w, mbmi->ref_mv_idx != idx, drl_prob);
+ if (mbmi->ref_mv_idx == idx) return;
+ }
+ }
+ return;
+ }
+
+ if (have_nearmv_in_inter_mode(mbmi->mode)) {
+ int idx;
+ // TODO(jingning): Temporary solution to compensate the NEARESTMV offset.
+ for (idx = 1; idx < 3; ++idx) {
+ if (mbmi_ext->ref_mv_count[ref_frame_type] > idx + 1) {
+ uint8_t drl_ctx =
+ av1_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], idx);
+ aom_prob drl_prob = cm->fc->drl_prob[drl_ctx];
+
+ aom_write(w, mbmi->ref_mv_idx != (idx - 1), drl_prob);
+ if (mbmi->ref_mv_idx == (idx - 1)) return;
+ }
+ }
+ return;
+ }
+}
+#endif
+
+#if CONFIG_EXT_INTER
+static void write_inter_compound_mode(AV1_COMMON *cm, aom_writer *w,
+ PREDICTION_MODE mode,
+ const int16_t mode_ctx) {
+ const aom_prob *const inter_compound_probs =
+ cm->fc->inter_compound_mode_probs[mode_ctx];
+
+ assert(is_inter_compound_mode(mode));
+ av1_write_token(w, av1_inter_compound_mode_tree, inter_compound_probs,
+ &inter_compound_mode_encodings[INTER_COMPOUND_OFFSET(mode)]);
+}
+#endif // CONFIG_EXT_INTER
+
+static void encode_unsigned_max(struct aom_write_bit_buffer *wb, int data,
+ int max) {
+ aom_wb_write_literal(wb, data, get_unsigned_bits(max));
+}
+
+#if !CONFIG_EC_ADAPT || \
+ (CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION || CONFIG_EXT_INTER)
+static void prob_diff_update(const aom_tree_index *tree,
+ aom_prob probs[/*n - 1*/],
+ const unsigned int counts[/*n - 1*/], int n,
+ int probwt, aom_writer *w) {
+ int i;
+ unsigned int branch_ct[32][2];
+
+ // Assuming max number of probabilities <= 32
+ assert(n <= 32);
+
+ av1_tree_probs_from_distribution(tree, branch_ct, counts);
+ for (i = 0; i < n - 1; ++i)
+ av1_cond_prob_diff_update(w, &probs[i], branch_ct[i], probwt);
+}
+#endif
+
+#if CONFIG_EXT_INTER || !CONFIG_EC_ADAPT
+static int prob_diff_update_savings(const aom_tree_index *tree,
+ aom_prob probs[/*n - 1*/],
+ const unsigned int counts[/*n - 1*/], int n,
+ int probwt) {
+ int i;
+ unsigned int branch_ct[32][2];
+ int savings = 0;
+
+ // Assuming max number of probabilities <= 32
+ assert(n <= 32);
+ av1_tree_probs_from_distribution(tree, branch_ct, counts);
+ for (i = 0; i < n - 1; ++i) {
+ savings +=
+ av1_cond_prob_diff_update_savings(&probs[i], branch_ct[i], probwt);
+ }
+ return savings;
+}
+#endif // CONFIG_EXT_INTER || !CONFIG_EC_ADAPT
+
+#if CONFIG_VAR_TX
+static void write_tx_size_vartx(const AV1_COMMON *cm, const MACROBLOCKD *xd,
+ const MB_MODE_INFO *mbmi, TX_SIZE tx_size,
+ int depth, int blk_row, int blk_col,
+ aom_writer *w) {
+ 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);
+
+ if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return;
+
+ if (depth == MAX_VARTX_DEPTH) {
+ txfm_partition_update(xd->above_txfm_context + tx_col,
+ xd->left_txfm_context + tx_row, tx_size, tx_size);
+ return;
+ }
+
+ if (tx_size == mbmi->inter_tx_size[tx_row][tx_col]) {
+ aom_write(w, 0, cm->fc->txfm_partition_prob[ctx]);
+ txfm_partition_update(xd->above_txfm_context + tx_col,
+ xd->left_txfm_context + tx_row, tx_size, tx_size);
+ } else {
+ const TX_SIZE sub_txs = sub_tx_size_map[tx_size];
+ const int bsl = tx_size_wide_unit[sub_txs];
+ int i;
+
+ aom_write(w, 1, cm->fc->txfm_partition_prob[ctx]);
+
+ if (tx_size == TX_8X8) {
+ 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;
+ write_tx_size_vartx(cm, xd, mbmi, sub_txs, depth + 1, offsetr, offsetc,
+ w);
+ }
+ }
+}
+
+static void update_txfm_partition_probs(AV1_COMMON *cm, aom_writer *w,
+ FRAME_COUNTS *counts, int probwt) {
+ int k;
+ for (k = 0; k < TXFM_PARTITION_CONTEXTS; ++k)
+ av1_cond_prob_diff_update(w, &cm->fc->txfm_partition_prob[k],
+ counts->txfm_partition[k], probwt);
+}
+#endif
+
+static void write_selected_tx_size(const AV1_COMMON *cm, const MACROBLOCKD *xd,
+ aom_writer *w) {
+ const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+ const BLOCK_SIZE bsize = mbmi->sb_type;
+#if CONFIG_EC_ADAPT
+ FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
+ (void)cm;
+#else
+ FRAME_CONTEXT *ec_ctx = cm->fc;
+#endif
+// For sub8x8 blocks the tx_size symbol does not need to be sent
+#if CONFIG_CB4X4 && (CONFIG_VAR_TX || CONFIG_EXT_TX) && CONFIG_RECT_TX
+ if (bsize > BLOCK_4X4) {
+#else
+ if (bsize >= BLOCK_8X8) {
+#endif
+ const TX_SIZE tx_size = mbmi->tx_size;
+ const int is_inter = is_inter_block(mbmi);
+ const int tx_size_ctx = get_tx_size_context(xd);
+ const int tx_size_cat = is_inter ? inter_tx_size_cat_lookup[bsize]
+ : intra_tx_size_cat_lookup[bsize];
+ const TX_SIZE coded_tx_size = txsize_sqr_up_map[tx_size];
+ const int depth = tx_size_to_depth(coded_tx_size);
+#if CONFIG_EXT_TX && CONFIG_RECT_TX
+ assert(IMPLIES(is_rect_tx(tx_size), is_rect_tx_allowed(xd, mbmi)));
+ assert(
+ IMPLIES(is_rect_tx(tx_size), tx_size == max_txsize_rect_lookup[bsize]));
+#endif // CONFIG_EXT_TX && CONFIG_RECT_TX
+
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, depth, ec_ctx->tx_size_cdf[tx_size_cat][tx_size_ctx],
+ tx_size_cat + 2);
+#else
+ av1_write_token(w, av1_tx_size_tree[tx_size_cat],
+ ec_ctx->tx_size_probs[tx_size_cat][tx_size_ctx],
+ &tx_size_encodings[tx_size_cat][depth]);
+#endif
+ }
+}
+
+#if CONFIG_REF_MV
+static void update_inter_mode_probs(AV1_COMMON *cm, aom_writer *w,
+ FRAME_COUNTS *counts) {
+ int i;
+#if CONFIG_TILE_GROUPS
+ const int probwt = cm->num_tg;
+#else
+ const int probwt = 1;
+#endif
+ for (i = 0; i < NEWMV_MODE_CONTEXTS; ++i)
+ av1_cond_prob_diff_update(w, &cm->fc->newmv_prob[i], counts->newmv_mode[i],
+ probwt);
+ for (i = 0; i < ZEROMV_MODE_CONTEXTS; ++i)
+ av1_cond_prob_diff_update(w, &cm->fc->zeromv_prob[i],
+ counts->zeromv_mode[i], probwt);
+ for (i = 0; i < REFMV_MODE_CONTEXTS; ++i)
+ av1_cond_prob_diff_update(w, &cm->fc->refmv_prob[i], counts->refmv_mode[i],
+ probwt);
+ for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
+ av1_cond_prob_diff_update(w, &cm->fc->drl_prob[i], counts->drl_mode[i],
+ probwt);
+}
+#endif
+
+#if CONFIG_EXT_INTER
+static void update_inter_compound_mode_probs(AV1_COMMON *cm, int probwt,
+ aom_writer *w) {
+ const int savings_thresh = av1_cost_one(GROUP_DIFF_UPDATE_PROB) -
+ av1_cost_zero(GROUP_DIFF_UPDATE_PROB);
+ int i;
+ int savings = 0;
+ int do_update = 0;
+ for (i = 0; i < INTER_MODE_CONTEXTS; ++i) {
+ savings += prob_diff_update_savings(
+ av1_inter_compound_mode_tree, cm->fc->inter_compound_mode_probs[i],
+ cm->counts.inter_compound_mode[i], INTER_COMPOUND_MODES, probwt);
+ }
+ do_update = savings > savings_thresh;
+ aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
+ if (do_update) {
+ for (i = 0; i < INTER_MODE_CONTEXTS; ++i) {
+ prob_diff_update(
+ av1_inter_compound_mode_tree, cm->fc->inter_compound_mode_probs[i],
+ cm->counts.inter_compound_mode[i], INTER_COMPOUND_MODES, probwt, w);
+ }
+ }
+}
+#endif // CONFIG_EXT_INTER
+
+static int write_skip(const AV1_COMMON *cm, const MACROBLOCKD *xd,
+ int segment_id, const MODE_INFO *mi, aom_writer *w) {
+ if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) {
+ return 1;
+ } else {
+ const int skip = mi->mbmi.skip;
+ aom_write(w, skip, av1_get_skip_prob(cm, xd));
+ return skip;
+ }
+}
+
+#if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+static void write_motion_mode(const AV1_COMMON *cm, const MODE_INFO *mi,
+ aom_writer *w) {
+ const MB_MODE_INFO *mbmi = &mi->mbmi;
+ MOTION_MODE last_motion_mode_allowed = motion_mode_allowed(
+#if CONFIG_GLOBAL_MOTION && SEPARATE_GLOBAL_MOTION
+ 0, cm->global_motion,
+#endif // CONFIG_GLOBAL_MOTION && SEPARATE_GLOBAL_MOTION
+ mi);
+
+ if (last_motion_mode_allowed == SIMPLE_TRANSLATION) return;
+#if CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
+ if (last_motion_mode_allowed == OBMC_CAUSAL) {
+ aom_write(w, mbmi->motion_mode == OBMC_CAUSAL,
+ cm->fc->obmc_prob[mbmi->sb_type]);
+ } else {
+#endif // CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
+ av1_write_token(w, av1_motion_mode_tree,
+ cm->fc->motion_mode_prob[mbmi->sb_type],
+ &motion_mode_encodings[mbmi->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_DELTA_Q
+static void write_delta_qindex(const AV1_COMMON *cm, const MACROBLOCKD *xd,
+ int delta_qindex, aom_writer *w) {
+ int sign = delta_qindex < 0;
+ int abs = sign ? -delta_qindex : delta_qindex;
+ int rem_bits, thr;
+ int smallval = abs < DELTA_Q_SMALL ? 1 : 0;
+#if CONFIG_EC_ADAPT
+ FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
+ (void)cm;
+#else
+ FRAME_CONTEXT *ec_ctx = cm->fc;
+ (void)xd;
+#endif
+
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, AOMMIN(abs, DELTA_Q_SMALL), ec_ctx->delta_q_cdf,
+ DELTA_Q_PROBS + 1);
+#else
+ int i = 0;
+ while (i < DELTA_Q_SMALL && i <= abs) {
+ int bit = (i < abs);
+ aom_write(w, bit, ec_ctx->delta_q_prob[i]);
+ i++;
+ }
+#endif
+
+ if (!smallval) {
+ rem_bits = OD_ILOG_NZ(abs - 1) - 1;
+ thr = (1 << rem_bits) + 1;
+ aom_write_literal(w, rem_bits, 3);
+ aom_write_literal(w, abs - thr, rem_bits);
+ }
+ if (abs > 0) {
+ aom_write_bit(w, sign);
+ }
+}
+
+#if !CONFIG_EC_ADAPT
+static void update_delta_q_probs(AV1_COMMON *cm, aom_writer *w,
+ FRAME_COUNTS *counts) {
+ int k;
+#if CONFIG_TILE_GROUPS
+ const int probwt = cm->num_tg;
+#else
+ const int probwt = 1;
+#endif
+#if CONFIG_EXT_DELTA_Q
+ if (!cm->delta_q_present_flag) return;
+#endif // CONFIG_EXT_DELTA_Q
+ for (k = 0; k < DELTA_Q_PROBS; ++k) {
+ av1_cond_prob_diff_update(w, &cm->fc->delta_q_prob[k], counts->delta_q[k],
+ probwt);
+ }
+}
+#endif // CONFIG_EC_ADAPT
+
+#if CONFIG_EXT_DELTA_Q
+static void write_delta_lflevel(const AV1_COMMON *cm, const MACROBLOCKD *xd,
+ int delta_lflevel, aom_writer *w) {
+ int sign = delta_lflevel < 0;
+ int abs = sign ? -delta_lflevel : delta_lflevel;
+ int rem_bits, thr;
+ int smallval = abs < DELTA_LF_SMALL ? 1 : 0;
+#if CONFIG_EC_ADAPT
+ FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
+ (void)cm;
+#else
+ FRAME_CONTEXT *ec_ctx = cm->fc;
+ (void)xd;
+#endif
+
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, AOMMIN(abs, DELTA_LF_SMALL), ec_ctx->delta_lf_cdf,
+ DELTA_LF_PROBS + 1);
+#else
+ int i = 0;
+ while (i < DELTA_LF_SMALL && i <= abs) {
+ int bit = (i < abs);
+ aom_write(w, bit, ec_ctx->delta_lf_prob[i]);
+ i++;
+ }
+#endif // CONFIG_EC_MULTISYMBOL
+
+ if (!smallval) {
+ rem_bits = OD_ILOG_NZ(abs - 1) - 1;
+ thr = (1 << rem_bits) + 1;
+ aom_write_literal(w, rem_bits, 3);
+ aom_write_literal(w, abs - thr, rem_bits);
+ }
+ if (abs > 0) {
+ aom_write_bit(w, sign);
+ }
+}
+
+#if !CONFIG_EC_ADAPT
+static void update_delta_lf_probs(AV1_COMMON *cm, aom_writer *w,
+ FRAME_COUNTS *counts) {
+ int k;
+#if CONFIG_TILE_GROUPS
+ const int probwt = cm->num_tg;
+#else
+ const int probwt = 1;
+#endif
+ if (!cm->delta_lf_present_flag) return;
+ for (k = 0; k < DELTA_LF_PROBS; ++k) {
+ av1_cond_prob_diff_update(w, &cm->fc->delta_lf_prob[k], counts->delta_lf[k],
+ probwt);
+ }
+}
+#endif // CONFIG_EC_ADAPT
+#endif // CONFIG_EXT_DELTA_Q
+#endif // CONFIG_DELTA_Q
+
+static void update_skip_probs(AV1_COMMON *cm, aom_writer *w,
+ FRAME_COUNTS *counts) {
+ int k;
+#if CONFIG_TILE_GROUPS
+ const int probwt = cm->num_tg;
+#else
+ const int probwt = 1;
+#endif
+ for (k = 0; k < SKIP_CONTEXTS; ++k) {
+ av1_cond_prob_diff_update(w, &cm->fc->skip_probs[k], counts->skip[k],
+ probwt);
+ }
+}
+
+#if !CONFIG_EC_ADAPT
+static void update_switchable_interp_probs(AV1_COMMON *cm, aom_writer *w,
+ FRAME_COUNTS *counts) {
+ int j;
+ for (j = 0; j < SWITCHABLE_FILTER_CONTEXTS; ++j) {
+#if CONFIG_TILE_GROUPS
+ const int probwt = cm->num_tg;
+#else
+ const int probwt = 1;
+#endif
+ prob_diff_update(
+ av1_switchable_interp_tree, cm->fc->switchable_interp_prob[j],
+ counts->switchable_interp[j], SWITCHABLE_FILTERS, probwt, w);
+ }
+}
+#endif
+
+#if !CONFIG_EC_ADAPT
+#if CONFIG_EXT_TX
+static void update_ext_tx_probs(AV1_COMMON *cm, aom_writer *w) {
+ const int savings_thresh = av1_cost_one(GROUP_DIFF_UPDATE_PROB) -
+ av1_cost_zero(GROUP_DIFF_UPDATE_PROB);
+ int i, j;
+ int s;
+#if CONFIG_TILE_GROUPS
+ const int probwt = cm->num_tg;
+#else
+ const int probwt = 1;
+#endif
+ for (s = 1; s < EXT_TX_SETS_INTER; ++s) {
+ int savings = 0;
+ int do_update = 0;
+ for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
+ if (!use_inter_ext_tx_for_txsize[s][i]) continue;
+ savings += prob_diff_update_savings(
+ av1_ext_tx_inter_tree[s], cm->fc->inter_ext_tx_prob[s][i],
+ cm->counts.inter_ext_tx[s][i],
+ num_ext_tx_set[ext_tx_set_type_inter[s]], probwt);
+ }
+ do_update = savings > savings_thresh;
+ aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
+ if (do_update) {
+ for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
+ if (!use_inter_ext_tx_for_txsize[s][i]) continue;
+ prob_diff_update(av1_ext_tx_inter_tree[s],
+ cm->fc->inter_ext_tx_prob[s][i],
+ cm->counts.inter_ext_tx[s][i],
+ num_ext_tx_set[ext_tx_set_type_inter[s]], probwt, w);
+ }
+ }
+ }
+
+ for (s = 1; s < EXT_TX_SETS_INTRA; ++s) {
+ int savings = 0;
+ int do_update = 0;
+ for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
+ if (!use_intra_ext_tx_for_txsize[s][i]) continue;
+ for (j = 0; j < INTRA_MODES; ++j)
+ savings += prob_diff_update_savings(
+ av1_ext_tx_intra_tree[s], cm->fc->intra_ext_tx_prob[s][i][j],
+ cm->counts.intra_ext_tx[s][i][j],
+ num_ext_tx_set[ext_tx_set_type_intra[s]], probwt);
+ }
+ do_update = savings > savings_thresh;
+ aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
+ if (do_update) {
+ for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
+ if (!use_intra_ext_tx_for_txsize[s][i]) continue;
+ for (j = 0; j < INTRA_MODES; ++j)
+ prob_diff_update(av1_ext_tx_intra_tree[s],
+ cm->fc->intra_ext_tx_prob[s][i][j],
+ cm->counts.intra_ext_tx[s][i][j],
+ num_ext_tx_set[ext_tx_set_type_intra[s]], probwt, w);
+ }
+ }
+ }
+}
+
+#else
+static void update_ext_tx_probs(AV1_COMMON *cm, aom_writer *w) {
+ const int savings_thresh = av1_cost_one(GROUP_DIFF_UPDATE_PROB) -
+ av1_cost_zero(GROUP_DIFF_UPDATE_PROB);
+ int i, j;
+
+ int savings = 0;
+ int do_update = 0;
+#if CONFIG_TILE_GROUPS
+ const int probwt = cm->num_tg;
+#else
+ const int probwt = 1;
+#endif
+ for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
+ for (j = 0; j < TX_TYPES; ++j)
+ savings += prob_diff_update_savings(
+ av1_ext_tx_tree, cm->fc->intra_ext_tx_prob[i][j],
+ cm->counts.intra_ext_tx[i][j], TX_TYPES, probwt);
+ }
+ do_update = savings > savings_thresh;
+ aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
+ if (do_update) {
+ for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
+ for (j = 0; j < TX_TYPES; ++j) {
+ prob_diff_update(av1_ext_tx_tree, cm->fc->intra_ext_tx_prob[i][j],
+ cm->counts.intra_ext_tx[i][j], TX_TYPES, probwt, w);
+ }
+ }
+ }
+
+ savings = 0;
+ for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
+ savings +=
+ prob_diff_update_savings(av1_ext_tx_tree, cm->fc->inter_ext_tx_prob[i],
+ cm->counts.inter_ext_tx[i], TX_TYPES, probwt);
+ }
+ do_update = savings > savings_thresh;
+ aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
+ if (do_update) {
+ for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
+ prob_diff_update(av1_ext_tx_tree, cm->fc->inter_ext_tx_prob[i],
+ cm->counts.inter_ext_tx[i], TX_TYPES, probwt, w);
+ }
+ }
+}
+#endif // CONFIG_EXT_TX
+#endif // !CONFIG_EC_ADAPT
+#if CONFIG_PALETTE
+static void pack_palette_tokens(aom_writer *w, const TOKENEXTRA **tp, int n,
+ int num) {
+ int i;
+ const TOKENEXTRA *p = *tp;
+
+ for (i = 0; i < num; ++i) {
+ av1_write_token(
+ w, av1_palette_color_index_tree[n - PALETTE_MIN_SIZE], p->context_tree,
+ &palette_color_index_encodings[n - PALETTE_MIN_SIZE][p->token]);
+ ++p;
+ }
+
+ *tp = p;
+}
+#endif // CONFIG_PALETTE
+
+#if !CONFIG_PVQ
+#if CONFIG_SUPERTX
+static void update_supertx_probs(AV1_COMMON *cm, int probwt, aom_writer *w) {
+ const int savings_thresh = av1_cost_one(GROUP_DIFF_UPDATE_PROB) -
+ av1_cost_zero(GROUP_DIFF_UPDATE_PROB);
+ int i, j;
+ int savings = 0;
+ int do_update = 0;
+ for (i = 0; i < PARTITION_SUPERTX_CONTEXTS; ++i) {
+ for (j = TX_8X8; j < TX_SIZES; ++j) {
+ savings += av1_cond_prob_diff_update_savings(
+ &cm->fc->supertx_prob[i][j], cm->counts.supertx[i][j], probwt);
+ }
+ }
+ do_update = savings > savings_thresh;
+ aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
+ if (do_update) {
+ for (i = 0; i < PARTITION_SUPERTX_CONTEXTS; ++i) {
+ for (j = TX_8X8; j < TX_SIZES; ++j) {
+ av1_cond_prob_diff_update(w, &cm->fc->supertx_prob[i][j],
+ cm->counts.supertx[i][j], probwt);
+ }
+ }
+ }
+}
+#endif // CONFIG_SUPERTX
+
+#if CONFIG_NEW_MULTISYMBOL
+static INLINE void write_coeff_extra(const aom_cdf_prob *const *cdf, int val,
+ int n, aom_writer *w) {
+ // Code the extra bits from LSB to MSB in groups of 4
+ int i = 0;
+ int count = 0;
+ while (count < n) {
+ const int size = AOMMIN(n - count, 4);
+ const int mask = (1 << size) - 1;
+ aom_write_cdf(w, val & mask, cdf[i++], 1 << size);
+ val >>= size;
+ count += size;
+ }
+}
+#else
+static INLINE void write_coeff_extra(const aom_prob *pb, int value,
+ int num_bits, int skip_bits, aom_writer *w,
+ TOKEN_STATS *token_stats) {
+ // Code the extra bits from MSB to LSB 1 bit at a time
+ int index;
+ for (index = skip_bits; index < num_bits; ++index) {
+ const int shift = num_bits - index - 1;
+ const int bb = (value >> shift) & 1;
+ aom_write_record(w, bb, pb[index], token_stats);
+ }
+}
+#endif
+
+#if CONFIG_NEW_TOKENSET && !CONFIG_LV_MAP
+static void pack_mb_tokens(aom_writer *w, const TOKENEXTRA **tp,
+ const TOKENEXTRA *const stop,
+ aom_bit_depth_t bit_depth, const TX_SIZE tx_size,
+ TOKEN_STATS *token_stats) {
+ const TOKENEXTRA *p = *tp;
+#if CONFIG_VAR_TX
+ int count = 0;
+ const int seg_eob = tx_size_2d[tx_size];
+#endif
+
+ while (p < stop && p->token != EOSB_TOKEN) {
+ const int token = p->token;
+ if (token == BLOCK_Z_TOKEN) {
+ aom_write_symbol(w, 0, *p->head_cdf, HEAD_TOKENS + 1);
+ p++;
+ continue;
+ }
+
+ const av1_extra_bit *const extra_bits = &av1_extra_bits[token];
+ if (p->eob_val == LAST_EOB) {
+ // Just code a flag indicating whether the value is >1 or 1.
+ aom_write_bit(w, token != ONE_TOKEN);
+ } else {
+ int comb_symb = 2 * AOMMIN(token, TWO_TOKEN) - p->eob_val + p->first_val;
+ aom_write_symbol(w, comb_symb, *p->head_cdf, HEAD_TOKENS + p->first_val);
+ }
+ if (token > ONE_TOKEN) {
+ aom_write_symbol(w, token - TWO_TOKEN, *p->tail_cdf, TAIL_TOKENS);
+ }
+
+ if (extra_bits->base_val) {
+ const int bit_string = p->extra;
+ const int bit_string_length = extra_bits->len; // Length of extra bits to
+ const int is_cat6 = (extra_bits->base_val == CAT6_MIN_VAL);
+ // be written excluding
+ // the sign bit.
+ int skip_bits = is_cat6
+ ? (int)sizeof(av1_cat6_prob) -
+ av1_get_cat6_extrabits_size(tx_size, bit_depth)
+ : 0;
+
+ assert(!(bit_string >> (bit_string_length - skip_bits + 1)));
+ if (bit_string_length > 0)
+#if CONFIG_NEW_MULTISYMBOL
+ write_coeff_extra(extra_bits->cdf, bit_string >> 1,
+ bit_string_length - skip_bits, w);
+#else
+ write_coeff_extra(extra_bits->prob, bit_string >> 1, bit_string_length,
+ skip_bits, w, token_stats);
+#endif
+
+ aom_write_bit_record(w, bit_string & 1, token_stats);
+ }
+ ++p;
+
+#if CONFIG_VAR_TX
+ ++count;
+ if (token == EOB_TOKEN || count == seg_eob) break;
+#endif
+ }
+
+ *tp = p;
+}
+#else // CONFIG_NEW_TOKENSET
+#if !CONFIG_LV_MAP
+static void pack_mb_tokens(aom_writer *w, const TOKENEXTRA **tp,
+ const TOKENEXTRA *const stop,
+ aom_bit_depth_t bit_depth, const TX_SIZE tx_size,
+ TOKEN_STATS *token_stats) {
+ const TOKENEXTRA *p = *tp;
+#if CONFIG_VAR_TX
+ int count = 0;
+ const int seg_eob = tx_size_2d[tx_size];
+#endif
+
+ while (p < stop && p->token != EOSB_TOKEN) {
+ const int token = p->token;
+#if !CONFIG_EC_MULTISYMBOL
+ const struct av1_token *const coef_encoding = &av1_coef_encodings[token];
+ int coef_value = coef_encoding->value;
+ int coef_length = coef_encoding->len;
+#endif // !CONFIG_EC_MULTISYMBOL
+ const av1_extra_bit *const extra_bits = &av1_extra_bits[token];
+
+#if CONFIG_EC_MULTISYMBOL
+ /* skip one or two nodes */
+ if (!p->skip_eob_node)
+ aom_write_record(w, token != EOB_TOKEN, p->context_tree[0], token_stats);
+ if (token != EOB_TOKEN) {
+ aom_write_record(w, token != ZERO_TOKEN, p->context_tree[1], token_stats);
+ if (token != ZERO_TOKEN) {
+ aom_write_symbol(w, token - ONE_TOKEN, *p->token_cdf,
+ CATEGORY6_TOKEN - ONE_TOKEN + 1);
+ }
+ }
+#else
+ /* skip one or two nodes */
+ if (p->skip_eob_node)
+ coef_length -= p->skip_eob_node;
+ else
+ aom_write_record(w, token != EOB_TOKEN, p->context_tree[0], token_stats);
+
+ if (token != EOB_TOKEN) {
+ aom_write_record(w, token != ZERO_TOKEN, p->context_tree[1], token_stats);
+
+ if (token != ZERO_TOKEN) {
+ aom_write_record(w, token != ONE_TOKEN, p->context_tree[2],
+ token_stats);
+
+ if (token != ONE_TOKEN) {
+ const int unconstrained_len = UNCONSTRAINED_NODES - p->skip_eob_node;
+ aom_write_tree_record(
+ w, av1_coef_con_tree,
+ av1_pareto8_full[p->context_tree[PIVOT_NODE] - 1], coef_value,
+ coef_length - unconstrained_len, 0, token_stats);
+ }
+ }
+ }
+#endif // CONFIG_EC_MULTISYMBOL
+
+ if (extra_bits->base_val) {
+ const int bit_string = p->extra;
+ const int bit_string_length = extra_bits->len; // Length of extra bits to
+ // be written excluding
+ // the sign bit.
+ int skip_bits = (extra_bits->base_val == CAT6_MIN_VAL)
+ ? (int)sizeof(av1_cat6_prob) -
+ av1_get_cat6_extrabits_size(tx_size, bit_depth)
+ : 0;
+
+ assert(!(bit_string >> (bit_string_length - skip_bits + 1)));
+ if (bit_string_length > 0) {
+#if CONFIG_NEW_MULTISYMBOL
+ skip_bits &= ~3;
+ write_coeff_extra(extra_bits->cdf, bit_string >> 1,
+ bit_string_length - skip_bits, w);
+#else
+ write_coeff_extra(extra_bits->prob, bit_string >> 1, bit_string_length,
+ skip_bits, w, token_stats);
+#endif
+ }
+ aom_write_bit_record(w, bit_string & 1, token_stats);
+ }
+ ++p;
+
+#if CONFIG_VAR_TX
+ ++count;
+ if (token == EOB_TOKEN || count == seg_eob) break;
+#endif
+ }
+
+ *tp = p;
+}
+#endif // !CONFIG_LV_MAP
+#endif // CONFIG_NEW_TOKENSET
+#else // !CONFIG_PVQ
+static PVQ_INFO *get_pvq_block(PVQ_QUEUE *pvq_q) {
+ PVQ_INFO *pvq;
+
+ assert(pvq_q->curr_pos <= pvq_q->last_pos);
+ assert(pvq_q->curr_pos < pvq_q->buf_len);
+
+ pvq = pvq_q->buf + pvq_q->curr_pos;
+ ++pvq_q->curr_pos;
+
+ return pvq;
+}
+
+static void pack_pvq_tokens(aom_writer *w, MACROBLOCK *const x,
+ MACROBLOCKD *const xd, int plane, BLOCK_SIZE bsize,
+ const TX_SIZE tx_size) {
+ PVQ_INFO *pvq;
+ int idx, idy;
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ od_adapt_ctx *adapt;
+ int max_blocks_wide;
+ int max_blocks_high;
+ int step = (1 << tx_size);
+ const BLOCK_SIZE plane_bsize =
+ get_plane_block_size(AOMMAX(bsize, BLOCK_8X8), pd);
+
+ adapt = x->daala_enc.state.adapt;
+
+ max_blocks_wide = max_block_wide(xd, plane_bsize, plane);
+ max_blocks_high = max_block_high(xd, plane_bsize, plane);
+
+ for (idy = 0; idy < max_blocks_high; idy += step) {
+ for (idx = 0; idx < max_blocks_wide; idx += step) {
+ const int is_keyframe = 0;
+ const int encode_flip = 0;
+ const int flip = 0;
+ int i;
+ const int has_dc_skip = 1;
+ int *exg = &adapt->pvq.pvq_exg[plane][tx_size][0];
+ int *ext = adapt->pvq.pvq_ext + tx_size * PVQ_MAX_PARTITIONS;
+ generic_encoder *model = adapt->pvq.pvq_param_model;
+
+ pvq = get_pvq_block(x->pvq_q);
+
+ // encode block skip info
+ aom_write_symbol(w, pvq->ac_dc_coded,
+ adapt->skip_cdf[2 * tx_size + (plane != 0)], 4);
+
+ // AC coeffs coded?
+ if (pvq->ac_dc_coded & AC_CODED) {
+ assert(pvq->bs == tx_size);
+ for (i = 0; i < pvq->nb_bands; i++) {
+ if (i == 0 ||
+ (!pvq->skip_rest && !(pvq->skip_dir & (1 << ((i - 1) % 3))))) {
+ pvq_encode_partition(
+ w, pvq->qg[i], pvq->theta[i], pvq->y + pvq->off[i],
+ pvq->size[i], pvq->k[i], model, adapt, exg + i, ext + i,
+ (plane != 0) * OD_TXSIZES * PVQ_MAX_PARTITIONS +
+ pvq->bs * PVQ_MAX_PARTITIONS + i,
+ is_keyframe, i == 0 && (i < pvq->nb_bands - 1), pvq->skip_rest,
+ encode_flip, flip);
+ }
+ if (i == 0 && !pvq->skip_rest && pvq->bs > 0) {
+ aom_write_symbol(
+ w, pvq->skip_dir,
+ &adapt->pvq
+ .pvq_skip_dir_cdf[(plane != 0) + 2 * (pvq->bs - 1)][0],
+ 7);
+ }
+ }
+ }
+ // Encode residue of DC coeff, if exist.
+ if (!has_dc_skip || (pvq->ac_dc_coded & DC_CODED)) {
+ generic_encode(w, &adapt->model_dc[plane],
+ abs(pvq->dq_dc_residue) - has_dc_skip,
+ &adapt->ex_dc[plane][pvq->bs][0], 2);
+ }
+ if ((pvq->ac_dc_coded & DC_CODED)) {
+ aom_write_bit(w, pvq->dq_dc_residue < 0);
+ }
+ }
+ } // for (idy = 0;
+}
+#endif // !CONFIG_PVG
+
+#if CONFIG_VAR_TX && !CONFIG_COEF_INTERLEAVE
+static void pack_txb_tokens(aom_writer *w, const TOKENEXTRA **tp,
+ const TOKENEXTRA *const tok_end,
+#if CONFIG_PVQ
+ MACROBLOCK *const x,
+#endif
+ MACROBLOCKD *xd, MB_MODE_INFO *mbmi, int plane,
+ BLOCK_SIZE plane_bsize, aom_bit_depth_t bit_depth,
+ int block, int blk_row, int blk_col,
+ TX_SIZE tx_size, TOKEN_STATS *token_stats) {
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ const BLOCK_SIZE bsize = txsize_to_bsize[tx_size];
+ const int tx_row = blk_row >> (1 - pd->subsampling_y);
+ const int tx_col = blk_col >> (1 - pd->subsampling_x);
+ TX_SIZE plane_tx_size;
+ const int max_blocks_high = max_block_high(xd, plane_bsize, plane);
+ const int max_blocks_wide = max_block_wide(xd, plane_bsize, plane);
+
+ if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return;
+
+ plane_tx_size =
+ plane ? uv_txsize_lookup[bsize][mbmi->inter_tx_size[tx_row][tx_col]][0][0]
+ : mbmi->inter_tx_size[tx_row][tx_col];
+
+ if (tx_size == plane_tx_size) {
+ TOKEN_STATS tmp_token_stats;
+ init_token_stats(&tmp_token_stats);
+#if !CONFIG_PVQ
+ pack_mb_tokens(w, tp, tok_end, bit_depth, tx_size, &tmp_token_stats);
+#else
+ pack_pvq_tokens(w, x, xd, plane, bsize, tx_size);
+#endif
+#if CONFIG_RD_DEBUG
+ token_stats->txb_coeff_cost_map[blk_row][blk_col] = tmp_token_stats.cost;
+ token_stats->cost += tmp_token_stats.cost;
+#endif
+ } else {
+ const TX_SIZE sub_txs = sub_tx_size_map[tx_size];
+ const int bsl = tx_size_wide_unit[sub_txs];
+ int i;
+
+ assert(bsl > 0);
+
+ for (i = 0; i < 4; ++i) {
+ const int offsetr = blk_row + (i >> 1) * bsl;
+ const int offsetc = blk_col + (i & 0x01) * bsl;
+ const int step = tx_size_wide_unit[sub_txs] * tx_size_high_unit[sub_txs];
+
+ if (offsetr >= max_blocks_high || offsetc >= max_blocks_wide) continue;
+
+ pack_txb_tokens(w, tp, tok_end,
+#if CONFIG_PVQ
+ x,
+#endif
+ xd, mbmi, plane, plane_bsize, bit_depth, block, offsetr,
+ offsetc, sub_txs, token_stats);
+ block += step;
+ }
+ }
+}
+#endif
+
+static void write_segment_id(aom_writer *w, const struct segmentation *seg,
+ struct segmentation_probs *segp, int segment_id) {
+ if (seg->enabled && seg->update_map) {
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, segment_id, segp->tree_cdf, MAX_SEGMENTS);
+#else
+ aom_write_tree(w, av1_segment_tree, segp->tree_probs, segment_id, 3, 0);
+#endif
+ }
+}
+
+// This function encodes the reference frame
+static void write_ref_frames(const AV1_COMMON *cm, const MACROBLOCKD *xd,
+ aom_writer *w) {
+ const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+ const int is_compound = has_second_ref(mbmi);
+ const int segment_id = mbmi->segment_id;
+
+ // If segment level coding of this signal is disabled...
+ // or the segment allows multiple reference frame options
+ if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) {
+ assert(!is_compound);
+ assert(mbmi->ref_frame[0] ==
+ get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME));
+ } else {
+ // does the feature use compound prediction or not
+ // (if not specified at the frame/segment level)
+ if (cm->reference_mode == REFERENCE_MODE_SELECT) {
+#if SUB8X8_COMP_REF
+ aom_write(w, is_compound, av1_get_reference_mode_prob(cm, xd));
+#else
+ if (mbmi->sb_type >= BLOCK_8X8)
+ aom_write(w, is_compound, av1_get_reference_mode_prob(cm, xd));
+#endif
+ } else {
+ assert((!is_compound) == (cm->reference_mode == SINGLE_REFERENCE));
+ }
+
+ if (is_compound) {
+#if CONFIG_EXT_REFS
+ const int bit = (mbmi->ref_frame[0] == GOLDEN_FRAME ||
+ mbmi->ref_frame[0] == LAST3_FRAME);
+ const int bit_bwd = mbmi->ref_frame[1] == ALTREF_FRAME;
+#else // CONFIG_EXT_REFS
+ const int bit = mbmi->ref_frame[0] == GOLDEN_FRAME;
+#endif // CONFIG_EXT_REFS
+
+ aom_write(w, bit, av1_get_pred_prob_comp_ref_p(cm, xd));
+
+#if CONFIG_EXT_REFS
+ if (!bit) {
+ const int bit1 = mbmi->ref_frame[0] == LAST_FRAME;
+ aom_write(w, bit1, av1_get_pred_prob_comp_ref_p1(cm, xd));
+ } else {
+ const int bit2 = mbmi->ref_frame[0] == GOLDEN_FRAME;
+ aom_write(w, bit2, av1_get_pred_prob_comp_ref_p2(cm, xd));
+ }
+ aom_write(w, bit_bwd, av1_get_pred_prob_comp_bwdref_p(cm, xd));
+#endif // CONFIG_EXT_REFS
+ } else {
+#if CONFIG_EXT_REFS
+ const int bit0 = (mbmi->ref_frame[0] == ALTREF_FRAME ||
+ mbmi->ref_frame[0] == BWDREF_FRAME);
+ aom_write(w, bit0, av1_get_pred_prob_single_ref_p1(cm, xd));
+
+ if (bit0) {
+ const int bit1 = mbmi->ref_frame[0] == ALTREF_FRAME;
+ aom_write(w, bit1, av1_get_pred_prob_single_ref_p2(cm, xd));
+ } else {
+ const int bit2 = (mbmi->ref_frame[0] == LAST3_FRAME ||
+ mbmi->ref_frame[0] == GOLDEN_FRAME);
+ aom_write(w, bit2, av1_get_pred_prob_single_ref_p3(cm, xd));
+
+ if (!bit2) {
+ const int bit3 = mbmi->ref_frame[0] != LAST_FRAME;
+ aom_write(w, bit3, av1_get_pred_prob_single_ref_p4(cm, xd));
+ } else {
+ const int bit4 = mbmi->ref_frame[0] != LAST3_FRAME;
+ aom_write(w, bit4, av1_get_pred_prob_single_ref_p5(cm, xd));
+ }
+ }
+#else // CONFIG_EXT_REFS
+ const int bit0 = mbmi->ref_frame[0] != LAST_FRAME;
+ aom_write(w, bit0, av1_get_pred_prob_single_ref_p1(cm, xd));
+
+ if (bit0) {
+ const int bit1 = mbmi->ref_frame[0] != GOLDEN_FRAME;
+ aom_write(w, bit1, av1_get_pred_prob_single_ref_p2(cm, xd));
+ }
+#endif // CONFIG_EXT_REFS
+ }
+ }
+}
+
+#if CONFIG_FILTER_INTRA
+static void write_filter_intra_mode_info(const AV1_COMMON *const cm,
+ const MB_MODE_INFO *const mbmi,
+ aom_writer *w) {
+ if (mbmi->mode == DC_PRED
+#if CONFIG_PALETTE
+ && mbmi->palette_mode_info.palette_size[0] == 0
+#endif // CONFIG_PALETTE
+ ) {
+ aom_write(w, mbmi->filter_intra_mode_info.use_filter_intra_mode[0],
+ cm->fc->filter_intra_probs[0]);
+ if (mbmi->filter_intra_mode_info.use_filter_intra_mode[0]) {
+ const FILTER_INTRA_MODE mode =
+ mbmi->filter_intra_mode_info.filter_intra_mode[0];
+ write_uniform(w, FILTER_INTRA_MODES, mode);
+ }
+ }
+
+ if (mbmi->uv_mode == DC_PRED
+#if CONFIG_PALETTE
+ && mbmi->palette_mode_info.palette_size[1] == 0
+#endif // CONFIG_PALETTE
+ ) {
+ aom_write(w, mbmi->filter_intra_mode_info.use_filter_intra_mode[1],
+ cm->fc->filter_intra_probs[1]);
+ if (mbmi->filter_intra_mode_info.use_filter_intra_mode[1]) {
+ const FILTER_INTRA_MODE mode =
+ mbmi->filter_intra_mode_info.filter_intra_mode[1];
+ write_uniform(w, FILTER_INTRA_MODES, mode);
+ }
+ }
+}
+#endif // CONFIG_FILTER_INTRA
+
+#if CONFIG_EXT_INTRA
+static void write_intra_angle_info(const MACROBLOCKD *xd,
+ FRAME_CONTEXT *const ec_ctx, aom_writer *w) {
+ const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+ const BLOCK_SIZE bsize = mbmi->sb_type;
+#if CONFIG_INTRA_INTERP
+ const int intra_filter_ctx = av1_get_pred_context_intra_interp(xd);
+ int p_angle;
+#endif // CONFIG_INTRA_INTERP
+
+ (void)ec_ctx;
+ if (bsize < BLOCK_8X8) return;
+
+ if (av1_is_directional_mode(mbmi->mode, bsize)) {
+ write_uniform(w, 2 * MAX_ANGLE_DELTA + 1,
+ MAX_ANGLE_DELTA + mbmi->angle_delta[0]);
+#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)) {
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, mbmi->intra_filter,
+ ec_ctx->intra_filter_cdf[intra_filter_ctx],
+ INTRA_FILTERS);
+#else
+ av1_write_token(w, av1_intra_filter_tree,
+ ec_ctx->intra_filter_probs[intra_filter_ctx],
+ &intra_filter_encodings[mbmi->intra_filter]);
+#endif // CONFIG_EC_MULTISYMBOL
+ }
+#endif // CONFIG_INTRA_INTERP
+ }
+
+ if (av1_is_directional_mode(mbmi->uv_mode, bsize)) {
+ write_uniform(w, 2 * MAX_ANGLE_DELTA + 1,
+ MAX_ANGLE_DELTA + mbmi->angle_delta[1]);
+ }
+}
+#endif // CONFIG_EXT_INTRA
+
+static void write_mb_interp_filter(AV1_COMP *cpi, const MACROBLOCKD *xd,
+ aom_writer *w) {
+ AV1_COMMON *const cm = &cpi->common;
+ const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+#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)) {
+#if CONFIG_DUAL_FILTER
+ for (int i = 0; i < 4; ++i)
+ assert(mbmi->interp_filter[i] == (cm->interp_filter == SWITCHABLE
+ ? EIGHTTAP_REGULAR
+ : cm->interp_filter));
+#else
+ assert(mbmi->interp_filter == (cm->interp_filter == SWITCHABLE
+ ? EIGHTTAP_REGULAR
+ : cm->interp_filter));
+#endif // CONFIG_DUAL_FILTER
+ return;
+ }
+ if (cm->interp_filter == SWITCHABLE) {
+#if CONFIG_DUAL_FILTER
+ int dir;
+ for (dir = 0; dir < 2; ++dir) {
+ 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))) {
+ const int ctx = av1_get_pred_context_switchable_interp(xd, dir);
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, av1_switchable_interp_ind[mbmi->interp_filter[dir]],
+ ec_ctx->switchable_interp_cdf[ctx],
+ SWITCHABLE_FILTERS);
+#else
+ av1_write_token(w, av1_switchable_interp_tree,
+ ec_ctx->switchable_interp_prob[ctx],
+ &switchable_interp_encodings[mbmi->interp_filter[dir]]);
+#endif
+ ++cpi->interp_filter_selected[0][mbmi->interp_filter[dir]];
+ } else {
+ assert(mbmi->interp_filter[dir] == EIGHTTAP_REGULAR);
+ }
+ }
+#else
+ {
+ const int ctx = av1_get_pred_context_switchable_interp(xd);
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, av1_switchable_interp_ind[mbmi->interp_filter],
+ ec_ctx->switchable_interp_cdf[ctx], SWITCHABLE_FILTERS);
+#else
+ av1_write_token(w, av1_switchable_interp_tree,
+ ec_ctx->switchable_interp_prob[ctx],
+ &switchable_interp_encodings[mbmi->interp_filter]);
+#endif
+ ++cpi->interp_filter_selected[0][mbmi->interp_filter];
+ }
+#endif // CONFIG_DUAL_FILTER
+ }
+}
+
+#if CONFIG_PALETTE
+#if CONFIG_PALETTE_DELTA_ENCODING
+// Write luma palette color values with delta encoding. Write the first value as
+// literal, and the deltas between each value and the previous one. The luma
+// palette is sorted so each delta is larger than 0.
+static void write_palette_colors_y(const PALETTE_MODE_INFO *const pmi,
+ int bit_depth, aom_writer *w) {
+ const int n = pmi->palette_size[0];
+ int min_bits, i;
+ int bits = av1_get_palette_delta_bits_y(pmi, bit_depth, &min_bits);
+ aom_write_literal(w, bits - min_bits, 2);
+ aom_write_literal(w, pmi->palette_colors[0], bit_depth);
+ for (i = 1; i < n; ++i) {
+ aom_write_literal(
+ w, pmi->palette_colors[i] - pmi->palette_colors[i - 1] - 1, bits);
+ bits =
+ AOMMIN(bits, av1_ceil_log2((1 << bit_depth) - pmi->palette_colors[i]));
+ }
+}
+
+// Write chroma palette color values. Use delta encoding for u channel as its
+// palette is sorted. For v channel, either use delta encoding or transmit
+// raw values directly, whichever costs less.
+static void write_palette_colors_uv(const PALETTE_MODE_INFO *const pmi,
+ int bit_depth, aom_writer *w) {
+ int i;
+ const int n = pmi->palette_size[1];
+#if CONFIG_HIGHBITDEPTH
+ const uint16_t *colors_u = pmi->palette_colors + PALETTE_MAX_SIZE;
+ const uint16_t *colors_v = pmi->palette_colors + 2 * PALETTE_MAX_SIZE;
+#else
+ const uint8_t *colors_u = pmi->palette_colors + PALETTE_MAX_SIZE;
+ const uint8_t *colors_v = pmi->palette_colors + 2 * PALETTE_MAX_SIZE;
+#endif // CONFIG_HIGHBITDEPTH
+ // U channel colors.
+ int min_bits_u = 0;
+ int bits_u = av1_get_palette_delta_bits_u(pmi, bit_depth, &min_bits_u);
+ aom_write_literal(w, bits_u - min_bits_u, 2);
+ aom_write_literal(w, colors_u[0], bit_depth);
+ for (i = 1; i < n; ++i) {
+ aom_write_literal(w, colors_u[i] - colors_u[i - 1], bits_u);
+ bits_u = AOMMIN(bits_u, av1_ceil_log2(1 + (1 << bit_depth) - colors_u[i]));
+ }
+ // V channel colors.
+ const int max_val = 1 << bit_depth;
+ int zero_count = 0, min_bits_v = 0;
+ int bits_v =
+ av1_get_palette_delta_bits_v(pmi, bit_depth, &zero_count, &min_bits_v);
+ const int rate_using_delta =
+ 2 + bit_depth + (bits_v + 1) * (n - 1) - zero_count;
+ const int rate_using_raw = bit_depth * n;
+ if (rate_using_delta < rate_using_raw) { // delta encoding
+ aom_write_bit(w, 1);
+ aom_write_literal(w, bits_v - min_bits_v, 2);
+ aom_write_literal(w, colors_v[0], bit_depth);
+ for (i = 1; i < n; ++i) {
+ if (colors_v[i] == colors_v[i - 1]) { // No need to signal sign bit.
+ aom_write_literal(w, 0, bits_v);
+ continue;
+ }
+ const int delta = abs((int)colors_v[i] - colors_v[i - 1]);
+ const int sign_bit = colors_v[i] < colors_v[i - 1];
+ if (delta <= max_val - delta) {
+ aom_write_literal(w, delta, bits_v);
+ aom_write_bit(w, sign_bit);
+ } else {
+ aom_write_literal(w, max_val - delta, bits_v);
+ aom_write_bit(w, !sign_bit);
+ }
+ }
+ } else { // Transmit raw values.
+ aom_write_bit(w, 0);
+ for (i = 0; i < n; ++i) aom_write_literal(w, colors_v[i], bit_depth);
+ }
+}
+#endif // CONFIG_PALETTE_DELTA_ENCODING
+
+static void write_palette_mode_info(const AV1_COMMON *cm, const MACROBLOCKD *xd,
+ const MODE_INFO *const mi, aom_writer *w) {
+ const 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;
+ const PALETTE_MODE_INFO *const pmi = &mbmi->palette_mode_info;
+
+ if (mbmi->mode == DC_PRED) {
+ const int n = pmi->palette_size[0];
+ 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);
+ aom_write(
+ w, n > 0,
+ av1_default_palette_y_mode_prob[bsize - BLOCK_8X8][palette_y_mode_ctx]);
+ if (n > 0) {
+ av1_write_token(w, av1_palette_size_tree,
+ av1_default_palette_y_size_prob[bsize - BLOCK_8X8],
+ &palette_size_encodings[n - PALETTE_MIN_SIZE]);
+#if CONFIG_PALETTE_DELTA_ENCODING
+ write_palette_colors_y(pmi, cm->bit_depth, w);
+#else
+ int i;
+ for (i = 0; i < n; ++i)
+ aom_write_literal(w, pmi->palette_colors[i], cm->bit_depth);
+#endif // CONFIG_PALETTE_DELTA_ENCODING
+ write_uniform(w, n, pmi->palette_first_color_idx[0]);
+ }
+ }
+
+ if (mbmi->uv_mode == DC_PRED) {
+ const int n = pmi->palette_size[1];
+ const int palette_uv_mode_ctx = (pmi->palette_size[0] > 0);
+ aom_write(w, n > 0, av1_default_palette_uv_mode_prob[palette_uv_mode_ctx]);
+ if (n > 0) {
+ av1_write_token(w, av1_palette_size_tree,
+ av1_default_palette_uv_size_prob[bsize - BLOCK_8X8],
+ &palette_size_encodings[n - PALETTE_MIN_SIZE]);
+#if CONFIG_PALETTE_DELTA_ENCODING
+ write_palette_colors_uv(pmi, cm->bit_depth, w);
+#else
+ int i;
+ for (i = 0; i < n; ++i) {
+ aom_write_literal(w, pmi->palette_colors[PALETTE_MAX_SIZE + i],
+ cm->bit_depth);
+ aom_write_literal(w, pmi->palette_colors[2 * PALETTE_MAX_SIZE + i],
+ cm->bit_depth);
+ }
+#endif // CONFIG_PALETTE_DELTA_ENCODING
+ write_uniform(w, n, pmi->palette_first_color_idx[1]);
+ }
+ }
+}
+#endif // CONFIG_PALETTE
+
+void av1_write_tx_type(const AV1_COMMON *const cm, const MACROBLOCKD *xd,
+#if CONFIG_SUPERTX
+ const int supertx_enabled,
+#endif
+#if CONFIG_TXK_SEL
+ int block, int plane,
+#endif
+ aom_writer *w) {
+ MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi;
+ const int is_inter = is_inter_block(mbmi);
+#if CONFIG_VAR_TX
+ const TX_SIZE tx_size = is_inter ? mbmi->min_tx_size : mbmi->tx_size;
+#else
+ const TX_SIZE tx_size = mbmi->tx_size;
+#endif // CONFIG_VAR_TX
+#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;
+ PLANE_TYPE plane_type = get_plane_type(plane);
+ TX_TYPE tx_type = get_tx_type(plane_type, xd, block, tx_size);
+#endif
+
+ if (!FIXED_TX_TYPE) {
+#if CONFIG_EXT_TX
+ const TX_SIZE square_tx_size = txsize_sqr_map[tx_size];
+ const BLOCK_SIZE bsize = mbmi->sb_type;
+ if (get_ext_tx_types(tx_size, bsize, is_inter, 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, bsize, is_inter, cm->reduced_tx_set_used);
+ if (is_inter) {
+ assert(ext_tx_used_inter[eset][tx_type]);
+ if (eset > 0) {
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, av1_ext_tx_inter_ind[eset][tx_type],
+ ec_ctx->inter_ext_tx_cdf[eset][square_tx_size],
+ ext_tx_cnt_inter[eset]);
+#else
+ av1_write_token(w, av1_ext_tx_inter_tree[eset],
+ ec_ctx->inter_ext_tx_prob[eset][square_tx_size],
+ &ext_tx_inter_encodings[eset][tx_type]);
+#endif
+ }
+ } else if (ALLOW_INTRA_EXT_TX) {
+ assert(ext_tx_used_intra[eset][tx_type]);
+ if (eset > 0) {
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(
+ w, av1_ext_tx_intra_ind[eset][tx_type],
+ ec_ctx->intra_ext_tx_cdf[eset][square_tx_size][mbmi->mode],
+ ext_tx_cnt_intra[eset]);
+#else
+ av1_write_token(
+ w, av1_ext_tx_intra_tree[eset],
+ ec_ctx->intra_ext_tx_prob[eset][square_tx_size][mbmi->mode],
+ &ext_tx_intra_encodings[eset][tx_type]);
+#endif
+ }
+ }
+ }
+#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)) {
+ if (is_inter) {
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, av1_ext_tx_ind[tx_type],
+ ec_ctx->inter_ext_tx_cdf[tx_size], TX_TYPES);
+#else
+ av1_write_token(w, av1_ext_tx_tree, ec_ctx->inter_ext_tx_prob[tx_size],
+ &ext_tx_encodings[tx_type]);
+#endif
+ } else {
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(
+ w, av1_ext_tx_ind[tx_type],
+ ec_ctx->intra_ext_tx_cdf[tx_size]
+ [intra_mode_to_tx_type_context[mbmi->mode]],
+ TX_TYPES);
+#else
+ av1_write_token(
+ w, av1_ext_tx_tree,
+ ec_ctx
+ ->intra_ext_tx_prob[tx_size]
+ [intra_mode_to_tx_type_context[mbmi->mode]],
+ &ext_tx_encodings[tx_type]);
+#endif
+ }
+ }
+#endif // CONFIG_EXT_TX
+ }
+}
+
+static void write_intra_mode(FRAME_CONTEXT *frame_ctx, BLOCK_SIZE bsize,
+ PREDICTION_MODE mode, aom_writer *w) {
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, av1_intra_mode_ind[mode],
+ frame_ctx->y_mode_cdf[size_group_lookup[bsize]],
+ INTRA_MODES);
+#else
+ av1_write_token(w, av1_intra_mode_tree,
+ frame_ctx->y_mode_prob[size_group_lookup[bsize]],
+ &intra_mode_encodings[mode]);
+#endif
+}
+
+static void write_intra_uv_mode(FRAME_CONTEXT *frame_ctx,
+ PREDICTION_MODE uv_mode, PREDICTION_MODE y_mode,
+ aom_writer *w) {
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, av1_intra_mode_ind[uv_mode],
+ frame_ctx->uv_mode_cdf[y_mode], INTRA_MODES);
+#else
+ av1_write_token(w, av1_intra_mode_tree, frame_ctx->uv_mode_prob[y_mode],
+ &intra_mode_encodings[uv_mode]);
+#endif
+}
+
+static void pack_inter_mode_mvs(AV1_COMP *cpi, const int mi_row,
+ const int mi_col,
+#if CONFIG_SUPERTX
+ int supertx_enabled,
+#endif
+ aom_writer *w) {
+ AV1_COMMON *const cm = &cpi->common;
+#if CONFIG_DELTA_Q || CONFIG_EC_ADAPT
+ MACROBLOCK *const x = &cpi->td.mb;
+ MACROBLOCKD *const xd = &x->e_mbd;
+#else
+ const MACROBLOCK *x = &cpi->td.mb;
+ const MACROBLOCKD *xd = &x->e_mbd;
+#endif
+#if CONFIG_EC_ADAPT
+ FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
+#else
+ FRAME_CONTEXT *ec_ctx = cm->fc;
+#endif
+#if !CONFIG_REF_MV
+ nmv_context *nmvc = &ec_ctx->nmvc;
+#endif
+ const MODE_INFO *mi = xd->mi[0];
+
+ const struct segmentation *const seg = &cm->seg;
+ struct segmentation_probs *const segp = &cm->fc->seg;
+ const MB_MODE_INFO *const mbmi = &mi->mbmi;
+ const MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext;
+ const PREDICTION_MODE mode = mbmi->mode;
+ const int segment_id = mbmi->segment_id;
+ const BLOCK_SIZE bsize = mbmi->sb_type;
+ const int allow_hp = cm->allow_high_precision_mv;
+ const int is_inter = is_inter_block(mbmi);
+ const int is_compound = has_second_ref(mbmi);
+ int skip, ref;
+#if CONFIG_CB4X4
+ const int unify_bsize = 1;
+#else
+ const int unify_bsize = 0;
+#endif
+ (void)mi_row;
+ (void)mi_col;
+
+ if (seg->update_map) {
+ if (seg->temporal_update) {
+ const int pred_flag = mbmi->seg_id_predicted;
+ aom_prob pred_prob = av1_get_pred_prob_seg_id(segp, xd);
+ aom_write(w, pred_flag, pred_prob);
+ if (!pred_flag) write_segment_id(w, seg, segp, segment_id);
+ } else {
+ write_segment_id(w, seg, segp, segment_id);
+ }
+ }
+
+#if CONFIG_SUPERTX
+ if (supertx_enabled)
+ skip = mbmi->skip;
+ else
+ skip = write_skip(cm, xd, segment_id, mi, w);
+#else
+ skip = write_skip(cm, xd, segment_id, mi, w);
+#endif // CONFIG_SUPERTX
+#if CONFIG_DELTA_Q
+ if (cm->delta_q_present_flag) {
+ int super_block_upper_left =
+ ((mi_row & MAX_MIB_MASK) == 0) && ((mi_col & MAX_MIB_MASK) == 0);
+ if ((bsize != BLOCK_LARGEST || skip == 0) && super_block_upper_left) {
+ assert(mbmi->current_q_index > 0);
+ int reduced_delta_qindex =
+ (mbmi->current_q_index - xd->prev_qindex) / cm->delta_q_res;
+ write_delta_qindex(cm, xd, reduced_delta_qindex, w);
+ xd->prev_qindex = mbmi->current_q_index;
+#if CONFIG_EXT_DELTA_Q
+ if (cm->delta_lf_present_flag) {
+ int reduced_delta_lflevel =
+ (mbmi->current_delta_lf_from_base - xd->prev_delta_lf_from_base) /
+ cm->delta_lf_res;
+ write_delta_lflevel(cm, xd, reduced_delta_lflevel, w);
+ xd->prev_delta_lf_from_base = mbmi->current_delta_lf_from_base;
+ }
+#endif // CONFIG_EXT_DELTA_Q
+ }
+ }
+#endif
+
+#if CONFIG_SUPERTX
+ if (!supertx_enabled)
+#endif // CONFIG_SUPERTX
+ if (!segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME))
+ aom_write(w, is_inter, av1_get_intra_inter_prob(cm, xd));
+
+ if (cm->tx_mode == TX_MODE_SELECT &&
+#if CONFIG_CB4X4 && (CONFIG_VAR_TX || CONFIG_RECT_TX)
+#if CONFIG_RECT_TX
+ bsize > BLOCK_4X4 &&
+#else
+ (bsize >= BLOCK_8X8 || (bsize > BLOCK_4X4 && is_inter)) &&
+#endif // CONFIG_RECT_TX
+#else
+ bsize >= BLOCK_8X8 &&
+#endif
+#if CONFIG_SUPERTX
+ !supertx_enabled &&
+#endif // CONFIG_SUPERTX
+ !(is_inter && skip) && !xd->lossless[segment_id]) {
+#if CONFIG_VAR_TX
+ if (is_inter) { // This implies skip flag is 0.
+ const TX_SIZE max_tx_size = get_vartx_max_txsize(mbmi, 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;
+ for (idy = 0; idy < height; idy += bh)
+ for (idx = 0; idx < width; idx += bw)
+ write_tx_size_vartx(cm, xd, mbmi, max_tx_size, height != width, idy,
+ idx, w);
+ } else {
+ set_txfm_ctxs(mbmi->tx_size, xd->n8_w, xd->n8_h, skip, xd);
+ write_selected_tx_size(cm, xd, w);
+ }
+ } else {
+ set_txfm_ctxs(mbmi->tx_size, xd->n8_w, xd->n8_h, skip, xd);
+#else
+ write_selected_tx_size(cm, xd, w);
+#endif
+ }
+
+ if (!is_inter) {
+ if (bsize >= BLOCK_8X8 || unify_bsize) {
+ write_intra_mode(ec_ctx, bsize, mode, w);
+ } else {
+ int idx, idy;
+ const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize];
+ const int num_4x4_h = num_4x4_blocks_high_lookup[bsize];
+ for (idy = 0; idy < 2; idy += num_4x4_h) {
+ for (idx = 0; idx < 2; idx += num_4x4_w) {
+ const PREDICTION_MODE b_mode = mi->bmi[idy * 2 + idx].as_mode;
+ write_intra_mode(ec_ctx, bsize, b_mode, w);
+ }
+ }
+ }
+#if CONFIG_CB4X4
+ if (is_chroma_reference(mi_row, mi_col, bsize, xd->plane[1].subsampling_x,
+ xd->plane[1].subsampling_y))
+ write_intra_uv_mode(ec_ctx, mbmi->uv_mode, mode, w);
+#else // !CONFIG_CB4X4
+ write_intra_uv_mode(ec_ctx, mbmi->uv_mode, mode, w);
+#endif // CONFIG_CB4X4
+
+#if CONFIG_EXT_INTRA
+ write_intra_angle_info(xd, ec_ctx, w);
+#endif // CONFIG_EXT_INTRA
+#if CONFIG_PALETTE
+ if (bsize >= BLOCK_8X8 && cm->allow_screen_content_tools)
+ write_palette_mode_info(cm, xd, mi, w);
+#endif // CONFIG_PALETTE
+#if CONFIG_FILTER_INTRA
+ if (bsize >= BLOCK_8X8 || unify_bsize)
+ write_filter_intra_mode_info(cm, mbmi, w);
+#endif // CONFIG_FILTER_INTRA
+ } else {
+ int16_t mode_ctx;
+ write_ref_frames(cm, xd, w);
+
+#if CONFIG_REF_MV
+#if CONFIG_EXT_INTER
+ if (is_compound)
+ mode_ctx = mbmi_ext->compound_mode_context[mbmi->ref_frame[0]];
+ else
+#endif // CONFIG_EXT_INTER
+ mode_ctx = av1_mode_context_analyzer(mbmi_ext->mode_context,
+ mbmi->ref_frame, bsize, -1);
+#else // CONFIG_REF_MV
+ mode_ctx = mbmi_ext->mode_context[mbmi->ref_frame[0]];
+#endif // CONFIG_REF_MV
+
+ // If segment skip is not enabled code the mode.
+ if (!segfeature_active(seg, segment_id, SEG_LVL_SKIP)) {
+ if (bsize >= BLOCK_8X8 || unify_bsize) {
+#if CONFIG_EXT_INTER
+ if (is_inter_compound_mode(mode))
+ write_inter_compound_mode(cm, w, mode, mode_ctx);
+ else if (is_inter_singleref_mode(mode))
+#endif // CONFIG_EXT_INTER
+ write_inter_mode(w, mode, ec_ctx, mode_ctx);
+
+#if CONFIG_REF_MV
+#if CONFIG_EXT_INTER
+ if (mode == NEWMV || mode == NEW_NEWMV ||
+ have_nearmv_in_inter_mode(mode))
+#else
+ if (mode == NEARMV || mode == NEWMV)
+#endif
+ write_drl_idx(cm, mbmi, mbmi_ext, w);
+ else
+ assert(mbmi->ref_mv_idx == 0);
+#endif
+ }
+ }
+
+#if !CONFIG_DUAL_FILTER && !CONFIG_WARPED_MOTION && !CONFIG_GLOBAL_MOTION
+ write_mb_interp_filter(cpi, xd, w);
+#endif // !CONFIG_DUAL_FILTER && !CONFIG_WARPED_MOTION
+
+ if (bsize < BLOCK_8X8 && !unify_bsize) {
+ const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize];
+ const int num_4x4_h = num_4x4_blocks_high_lookup[bsize];
+ int idx, idy;
+ for (idy = 0; idy < 2; idy += num_4x4_h) {
+ for (idx = 0; idx < 2; idx += num_4x4_w) {
+ const int j = idy * 2 + idx;
+ const PREDICTION_MODE b_mode = mi->bmi[j].as_mode;
+#if CONFIG_REF_MV
+#if CONFIG_EXT_INTER
+ if (!is_compound)
+#endif // CONFIG_EXT_INTER
+ mode_ctx = av1_mode_context_analyzer(mbmi_ext->mode_context,
+ mbmi->ref_frame, bsize, j);
+#endif
+#if CONFIG_EXT_INTER
+ if (is_inter_compound_mode(b_mode))
+ write_inter_compound_mode(cm, w, b_mode, mode_ctx);
+ else if (is_inter_singleref_mode(b_mode))
+#endif // CONFIG_EXT_INTER
+ write_inter_mode(w, b_mode, ec_ctx, mode_ctx);
+
+#if CONFIG_EXT_INTER
+ if (b_mode == NEWMV || b_mode == NEW_NEWMV) {
+#else
+ if (b_mode == NEWMV) {
+#endif // CONFIG_EXT_INTER
+ for (ref = 0; ref < 1 + is_compound; ++ref) {
+#if CONFIG_REF_MV
+ int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame);
+ int nmv_ctx = av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type],
+ mbmi_ext->ref_mv_stack[rf_type], ref,
+ mbmi->ref_mv_idx);
+ nmv_context *nmvc = &ec_ctx->nmvc[nmv_ctx];
+#endif
+ av1_encode_mv(cpi, w, &mi->bmi[j].as_mv[ref].as_mv,
+#if CONFIG_EXT_INTER
+ &mi->bmi[j].ref_mv[ref].as_mv,
+#else
+#if CONFIG_REF_MV
+ &mi->bmi[j].pred_mv[ref].as_mv,
+#else
+ &mbmi_ext->ref_mvs[mbmi->ref_frame[ref]][0].as_mv,
+#endif // CONFIG_REF_MV
+#endif // CONFIG_EXT_INTER
+ nmvc, allow_hp);
+ }
+ }
+#if CONFIG_EXT_INTER
+ else if (b_mode == NEAREST_NEWMV || b_mode == NEAR_NEWMV) {
+#if CONFIG_REF_MV
+ int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame);
+ int nmv_ctx = av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type],
+ mbmi_ext->ref_mv_stack[rf_type], 1,
+ mbmi->ref_mv_idx);
+ nmv_context *nmvc = &ec_ctx->nmvc[nmv_ctx];
+#endif
+ av1_encode_mv(cpi, w, &mi->bmi[j].as_mv[1].as_mv,
+ &mi->bmi[j].ref_mv[1].as_mv, nmvc, allow_hp);
+ } else if (b_mode == NEW_NEARESTMV || b_mode == NEW_NEARMV) {
+#if CONFIG_REF_MV
+ int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame);
+ int nmv_ctx = av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type],
+ mbmi_ext->ref_mv_stack[rf_type], 0,
+ mbmi->ref_mv_idx);
+ nmv_context *nmvc = &ec_ctx->nmvc[nmv_ctx];
+#endif
+ av1_encode_mv(cpi, w, &mi->bmi[j].as_mv[0].as_mv,
+ &mi->bmi[j].ref_mv[0].as_mv, nmvc, allow_hp);
+ }
+#endif // CONFIG_EXT_INTER
+ }
+ }
+ } else {
+#if CONFIG_EXT_INTER
+ if (mode == NEWMV || mode == NEW_NEWMV) {
+#else
+ if (mode == NEWMV) {
+#endif // CONFIG_EXT_INTER
+ int_mv ref_mv;
+ for (ref = 0; ref < 1 + is_compound; ++ref) {
+#if CONFIG_REF_MV
+ int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame);
+ int nmv_ctx = av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type],
+ mbmi_ext->ref_mv_stack[rf_type], ref,
+ mbmi->ref_mv_idx);
+ nmv_context *nmvc = &ec_ctx->nmvc[nmv_ctx];
+#endif
+ ref_mv = mbmi_ext->ref_mvs[mbmi->ref_frame[ref]][0];
+ av1_encode_mv(cpi, w, &mbmi->mv[ref].as_mv, &ref_mv.as_mv, nmvc,
+ allow_hp);
+ }
+#if CONFIG_EXT_INTER
+ } else if (mode == NEAREST_NEWMV || mode == NEAR_NEWMV) {
+#if CONFIG_REF_MV
+ int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame);
+ int nmv_ctx =
+ av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type],
+ mbmi_ext->ref_mv_stack[rf_type], 1, mbmi->ref_mv_idx);
+ nmv_context *nmvc = &ec_ctx->nmvc[nmv_ctx];
+#endif
+ av1_encode_mv(cpi, w, &mbmi->mv[1].as_mv,
+ &mbmi_ext->ref_mvs[mbmi->ref_frame[1]][0].as_mv, nmvc,
+ allow_hp);
+ } else if (mode == NEW_NEARESTMV || mode == NEW_NEARMV) {
+#if CONFIG_REF_MV
+ int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame);
+ int nmv_ctx =
+ av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type],
+ mbmi_ext->ref_mv_stack[rf_type], 0, mbmi->ref_mv_idx);
+ nmv_context *nmvc = &ec_ctx->nmvc[nmv_ctx];
+#endif
+ av1_encode_mv(cpi, w, &mbmi->mv[0].as_mv,
+ &mbmi_ext->ref_mvs[mbmi->ref_frame[0]][0].as_mv, nmvc,
+ allow_hp);
+#endif // CONFIG_EXT_INTER
+ }
+ }
+
+#if CONFIG_EXT_INTER
+ if (cpi->common.reference_mode != COMPOUND_REFERENCE &&
+#if CONFIG_SUPERTX
+ !supertx_enabled &&
+#endif // CONFIG_SUPERTX
+ is_interintra_allowed(mbmi)) {
+ const int interintra = mbmi->ref_frame[1] == INTRA_FRAME;
+ const int bsize_group = size_group_lookup[bsize];
+ aom_write(w, interintra, cm->fc->interintra_prob[bsize_group]);
+ if (interintra) {
+ write_interintra_mode(w, mbmi->interintra_mode,
+ cm->fc->interintra_mode_prob[bsize_group]);
+ if (is_interintra_wedge_used(bsize)) {
+ aom_write(w, mbmi->use_wedge_interintra,
+ cm->fc->wedge_interintra_prob[bsize]);
+ if (mbmi->use_wedge_interintra) {
+ aom_write_literal(w, mbmi->interintra_wedge_index,
+ get_wedge_bits_lookup(bsize));
+ assert(mbmi->interintra_wedge_sign == 0);
+ }
+ }
+ }
+ }
+#endif // CONFIG_EXT_INTER
+
+#if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+#if CONFIG_SUPERTX
+ if (!supertx_enabled)
+#endif // CONFIG_SUPERTX
+#if CONFIG_EXT_INTER
+ if (mbmi->ref_frame[1] != INTRA_FRAME)
+#endif // CONFIG_EXT_INTER
+ write_motion_mode(cm, mi, w);
+#endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+
+#if CONFIG_EXT_INTER
+ if (cpi->common.reference_mode != SINGLE_REFERENCE &&
+ is_inter_compound_mode(mbmi->mode)
+#if CONFIG_MOTION_VAR
+ && mbmi->motion_mode == SIMPLE_TRANSLATION
+#endif // CONFIG_MOTION_VAR
+ && is_any_masked_compound_used(bsize)) {
+#if CONFIG_COMPOUND_SEGMENT || CONFIG_WEDGE
+ av1_write_token(w, av1_compound_type_tree,
+ cm->fc->compound_type_prob[bsize],
+ &compound_type_encodings[mbmi->interinter_compound_type]);
+#endif // CONFIG_COMPOUND_SEGMENT || CONFIG_WEDGE
+#if CONFIG_WEDGE
+ if (mbmi->interinter_compound_type == COMPOUND_WEDGE) {
+ aom_write_literal(w, mbmi->wedge_index, get_wedge_bits_lookup(bsize));
+ aom_write_bit(w, mbmi->wedge_sign);
+ }
+#endif // CONFIG_WEDGE
+#if CONFIG_COMPOUND_SEGMENT
+ if (mbmi->interinter_compound_type == COMPOUND_SEG) {
+ aom_write_literal(w, mbmi->mask_type, MAX_SEG_MASK_BITS);
+ }
+#endif // CONFIG_COMPOUND_SEGMENT
+ }
+#endif // CONFIG_EXT_INTER
+
+#if CONFIG_DUAL_FILTER || CONFIG_WARPED_MOTION || CONFIG_GLOBAL_MOTION
+ write_mb_interp_filter(cpi, xd, w);
+#endif // CONFIG_DUAL_FILTE || CONFIG_WARPED_MOTION
+ }
+
+#if !CONFIG_TXK_SEL
+ av1_write_tx_type(cm, xd,
+#if CONFIG_SUPERTX
+ supertx_enabled,
+#endif
+ w);
+#endif // !CONFIG_TXK_SEL
+}
+
+#if CONFIG_DELTA_Q
+static void write_mb_modes_kf(AV1_COMMON *cm, MACROBLOCKD *xd, const int mi_row,
+ const int mi_col, aom_writer *w) {
+ int skip;
+#else
+static void write_mb_modes_kf(AV1_COMMON *cm, const MACROBLOCKD *xd,
+ const int mi_row, const int mi_col,
+ aom_writer *w) {
+#endif
+ const struct segmentation *const seg = &cm->seg;
+ struct segmentation_probs *const segp = &cm->fc->seg;
+ const MODE_INFO *const mi = xd->mi[0];
+ const MODE_INFO *const above_mi = xd->above_mi;
+ const MODE_INFO *const left_mi = xd->left_mi;
+ const MB_MODE_INFO *const mbmi = &mi->mbmi;
+ const BLOCK_SIZE bsize = mbmi->sb_type;
+#if CONFIG_CB4X4
+ const int unify_bsize = 1;
+#else
+ const int unify_bsize = 0;
+#endif
+ (void)mi_row;
+ (void)mi_col;
+
+#if CONFIG_EC_ADAPT
+ FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
+#else
+ FRAME_CONTEXT *ec_ctx = cm->fc;
+#endif
+
+ if (seg->update_map) write_segment_id(w, seg, segp, mbmi->segment_id);
+
+#if CONFIG_DELTA_Q
+ skip = write_skip(cm, xd, mbmi->segment_id, mi, w);
+ if (cm->delta_q_present_flag) {
+ int super_block_upper_left =
+ ((mi_row & MAX_MIB_MASK) == 0) && ((mi_col & MAX_MIB_MASK) == 0);
+ if ((bsize != BLOCK_LARGEST || skip == 0) && super_block_upper_left) {
+ assert(mbmi->current_q_index > 0);
+ int reduced_delta_qindex =
+ (mbmi->current_q_index - xd->prev_qindex) / cm->delta_q_res;
+ write_delta_qindex(cm, xd, reduced_delta_qindex, w);
+ xd->prev_qindex = mbmi->current_q_index;
+#if CONFIG_EXT_DELTA_Q
+ if (cm->delta_lf_present_flag) {
+ int reduced_delta_lflevel =
+ (mbmi->current_delta_lf_from_base - xd->prev_delta_lf_from_base) /
+ cm->delta_lf_res;
+ write_delta_lflevel(cm, xd, reduced_delta_lflevel, w);
+ xd->prev_delta_lf_from_base = mbmi->current_delta_lf_from_base;
+ }
+#endif // CONFIG_EXT_DELTA_Q
+ }
+ }
+#else
+ write_skip(cm, xd, mbmi->segment_id, mi, w);
+#endif
+
+ if (cm->tx_mode == TX_MODE_SELECT &&
+#if CONFIG_CB4X4 && (CONFIG_VAR_TX || CONFIG_RECT_TX)
+#if CONFIG_RECT_TX
+ bsize > BLOCK_4X4 &&
+#else
+ bsize >= BLOCK_8X8 &&
+#endif // CONFIG_RECT_TX
+#else
+ bsize >= BLOCK_8X8 &&
+#endif
+ !xd->lossless[mbmi->segment_id])
+ write_selected_tx_size(cm, xd, w);
+
+#if CONFIG_INTRABC
+ if (bsize >= BLOCK_8X8 && cm->allow_screen_content_tools) {
+ int use_intrabc = is_intrabc_block(mbmi);
+ aom_write(w, use_intrabc, INTRABC_PROB);
+ if (use_intrabc) {
+ assert(mbmi->mode == DC_PRED);
+ assert(mbmi->uv_mode == DC_PRED);
+ int_mv dv_ref;
+ av1_find_ref_dv(&dv_ref, mi_row, mi_col);
+ av1_encode_dv(w, &mbmi->mv[0].as_mv, &dv_ref.as_mv, &ec_ctx->ndvc);
+ return;
+ }
+ }
+#endif // CONFIG_INTRABC
+
+ if (bsize >= BLOCK_8X8 || unify_bsize) {
+ write_intra_mode_kf(cm, ec_ctx, mi, above_mi, left_mi, 0, mbmi->mode, w);
+ } else {
+ const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize];
+ const int num_4x4_h = num_4x4_blocks_high_lookup[bsize];
+ int idx, idy;
+
+ for (idy = 0; idy < 2; idy += num_4x4_h) {
+ for (idx = 0; idx < 2; idx += num_4x4_w) {
+ const int block = idy * 2 + idx;
+ write_intra_mode_kf(cm, ec_ctx, mi, above_mi, left_mi, block,
+ mi->bmi[block].as_mode, w);
+ }
+ }
+ }
+
+#if CONFIG_CB4X4
+ if (is_chroma_reference(mi_row, mi_col, bsize, xd->plane[1].subsampling_x,
+ xd->plane[1].subsampling_y))
+ write_intra_uv_mode(ec_ctx, mbmi->uv_mode, mbmi->mode, w);
+#else // !CONFIG_CB4X4
+ write_intra_uv_mode(ec_ctx, mbmi->uv_mode, mbmi->mode, w);
+#endif // CONFIG_CB4X4
+
+#if CONFIG_EXT_INTRA
+ write_intra_angle_info(xd, ec_ctx, w);
+#endif // CONFIG_EXT_INTRA
+#if CONFIG_PALETTE
+ if (bsize >= BLOCK_8X8 && cm->allow_screen_content_tools)
+ write_palette_mode_info(cm, xd, mi, w);
+#endif // CONFIG_PALETTE
+#if CONFIG_FILTER_INTRA
+ if (bsize >= BLOCK_8X8 || unify_bsize)
+ write_filter_intra_mode_info(cm, mbmi, w);
+#endif // CONFIG_FILTER_INTRA
+
+#if !CONFIG_TXK_SEL
+ av1_write_tx_type(cm, xd,
+#if CONFIG_SUPERTX
+ 0,
+#endif
+ w);
+#endif // !CONFIG_TXK_SEL
+}
+
+#if CONFIG_SUPERTX
+#define write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled, \
+ mi_row, mi_col) \
+ write_modes_b(cpi, tile, w, tok, tok_end, supertx_enabled, mi_row, mi_col)
+#else
+#define write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled, \
+ mi_row, mi_col) \
+ write_modes_b(cpi, tile, w, tok, tok_end, mi_row, mi_col)
+#endif // CONFIG_SUPERTX
+
+#if CONFIG_RD_DEBUG
+static void dump_mode_info(MODE_INFO *mi) {
+ printf("\nmi->mbmi.mi_row == %d\n", mi->mbmi.mi_row);
+ printf("&& mi->mbmi.mi_col == %d\n", mi->mbmi.mi_col);
+ printf("&& mi->mbmi.sb_type == %d\n", mi->mbmi.sb_type);
+ printf("&& mi->mbmi.tx_size == %d\n", mi->mbmi.tx_size);
+ if (mi->mbmi.sb_type >= BLOCK_8X8) {
+ printf("&& mi->mbmi.mode == %d\n", mi->mbmi.mode);
+ } else {
+ printf("&& mi->bmi[0].as_mode == %d\n", mi->bmi[0].as_mode);
+ }
+}
+static int rd_token_stats_mismatch(RD_STATS *rd_stats, TOKEN_STATS *token_stats,
+ int plane) {
+ if (rd_stats->txb_coeff_cost[plane] != token_stats->cost) {
+#if CONFIG_VAR_TX
+ int r, c;
+#endif
+ printf("\nplane %d rd_stats->txb_coeff_cost %d token_stats->cost %d\n",
+ plane, rd_stats->txb_coeff_cost[plane], token_stats->cost);
+#if CONFIG_VAR_TX
+ printf("rd txb_coeff_cost_map\n");
+ for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r) {
+ for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c) {
+ printf("%d ", rd_stats->txb_coeff_cost_map[plane][r][c]);
+ }
+ printf("\n");
+ }
+
+ printf("pack txb_coeff_cost_map\n");
+ for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r) {
+ for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c) {
+ printf("%d ", token_stats->txb_coeff_cost_map[r][c]);
+ }
+ printf("\n");
+ }
+#endif
+ return 1;
+ }
+ return 0;
+}
+#endif
+
+static void write_mbmi_b(AV1_COMP *cpi, const TileInfo *const tile,
+ aom_writer *w,
+#if CONFIG_SUPERTX
+ int supertx_enabled,
+#endif
+ int mi_row, int mi_col) {
+ AV1_COMMON *const cm = &cpi->common;
+ MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
+ MODE_INFO *m;
+ int bh, bw;
+ xd->mi = cm->mi_grid_visible + (mi_row * cm->mi_stride + mi_col);
+ m = xd->mi[0];
+
+ assert(m->mbmi.sb_type <= cm->sb_size);
+
+ bh = mi_size_high[m->mbmi.sb_type];
+ bw = mi_size_wide[m->mbmi.sb_type];
+
+ cpi->td.mb.mbmi_ext = cpi->mbmi_ext_base + (mi_row * cm->mi_cols + mi_col);
+
+ set_mi_row_col(xd, tile, mi_row, bh, mi_col, bw,
+#if CONFIG_DEPENDENT_HORZTILES
+ cm->dependent_horz_tiles,
+#endif // CONFIG_DEPENDENT_HORZTILES
+ cm->mi_rows, cm->mi_cols);
+
+ if (frame_is_intra_only(cm)) {
+ write_mb_modes_kf(cm, xd, mi_row, mi_col, w);
+ } else {
+#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);
+#endif
+#if CONFIG_DUAL_FILTER
+ // has_subpel_mv_component needs the ref frame buffers set up to look
+ // up if they are scaled. has_subpel_mv_component is in turn needed by
+ // write_switchable_interp_filter, which is called by pack_inter_mode_mvs.
+ set_ref_ptrs(cm, xd, m->mbmi.ref_frame[0], m->mbmi.ref_frame[1]);
+#endif // CONFIG_DUAL_FILTER
+#if 0
+ // NOTE(zoeliu): For debug
+ if (cm->current_video_frame == FRAME_TO_CHECK && cm->show_frame == 1) {
+ const PREDICTION_MODE mode = m->mbmi.mode;
+ const int segment_id = m->mbmi.segment_id;
+ const BLOCK_SIZE bsize = m->mbmi.sb_type;
+
+ // For sub8x8, simply dump out the first sub8x8 block info
+ const PREDICTION_MODE b_mode =
+ (bsize < BLOCK_8X8) ? m->bmi[0].as_mode : -1;
+ const int mv_x = (bsize < BLOCK_8X8) ?
+ m->bmi[0].as_mv[0].as_mv.row : m->mbmi.mv[0].as_mv.row;
+ const int mv_y = (bsize < BLOCK_8X8) ?
+ m->bmi[0].as_mv[0].as_mv.col : m->mbmi.mv[0].as_mv.col;
+
+ printf("Before pack_inter_mode_mvs(): "
+ "Frame=%d, (mi_row,mi_col)=(%d,%d), "
+ "mode=%d, segment_id=%d, bsize=%d, b_mode=%d, "
+ "mv[0]=(%d, %d), ref[0]=%d, ref[1]=%d\n",
+ cm->current_video_frame, mi_row, mi_col,
+ mode, segment_id, bsize, b_mode, mv_x, mv_y,
+ m->mbmi.ref_frame[0], m->mbmi.ref_frame[1]);
+ }
+#endif // 0
+ pack_inter_mode_mvs(cpi, mi_row, mi_col,
+#if CONFIG_SUPERTX
+ supertx_enabled,
+#endif
+ w);
+ }
+}
+
+static void write_tokens_b(AV1_COMP *cpi, const TileInfo *const tile,
+ aom_writer *w, const TOKENEXTRA **tok,
+ const TOKENEXTRA *const tok_end, int mi_row,
+ int mi_col) {
+ AV1_COMMON *const cm = &cpi->common;
+ MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
+ MODE_INFO *const m = xd->mi[0];
+ MB_MODE_INFO *const mbmi = &m->mbmi;
+ int plane;
+ int bh, bw;
+#if CONFIG_PVQ || CONFIG_LV_MAP
+ MACROBLOCK *const x = &cpi->td.mb;
+ (void)tok;
+ (void)tok_end;
+#endif
+ xd->mi = cm->mi_grid_visible + (mi_row * cm->mi_stride + mi_col);
+
+ assert(mbmi->sb_type <= cm->sb_size);
+
+ bh = mi_size_high[mbmi->sb_type];
+ bw = mi_size_wide[mbmi->sb_type];
+ cpi->td.mb.mbmi_ext = cpi->mbmi_ext_base + (mi_row * cm->mi_cols + mi_col);
+
+ set_mi_row_col(xd, tile, mi_row, bh, mi_col, bw,
+#if CONFIG_DEPENDENT_HORZTILES
+ cm->dependent_horz_tiles,
+#endif // CONFIG_DEPENDENT_HORZTILES
+ cm->mi_rows, cm->mi_cols);
+
+#if CONFIG_PALETTE
+ for (plane = 0; plane <= 1; ++plane) {
+ const uint8_t palette_size_plane =
+ mbmi->palette_mode_info.palette_size[plane];
+ if (palette_size_plane > 0) {
+#if CONFIG_INTRABC
+ assert(mbmi->use_intrabc == 0);
+#endif
+ int rows, cols;
+ assert(mbmi->sb_type >= BLOCK_8X8);
+ av1_get_block_dimensions(mbmi->sb_type, plane, xd, NULL, NULL, &rows,
+ &cols);
+ assert(*tok < tok_end);
+ pack_palette_tokens(w, tok, palette_size_plane, rows * cols - 1);
+ assert(*tok < tok_end + mbmi->skip);
+ }
+ }
+#endif // CONFIG_PALETTE
+
+#if CONFIG_COEF_INTERLEAVE
+ if (!mbmi->skip) {
+ const struct macroblockd_plane *const pd_y = &xd->plane[0];
+ const struct macroblockd_plane *const pd_c = &xd->plane[1];
+ const TX_SIZE tx_log2_y = mbmi->tx_size;
+ const TX_SIZE tx_log2_c = get_uv_tx_size(mbmi, pd_c);
+ const int tx_sz_y = (1 << tx_log2_y);
+ const int tx_sz_c = (1 << tx_log2_c);
+
+ const BLOCK_SIZE plane_bsize_y =
+ get_plane_block_size(AOMMAX(mbmi->sb_type, 3), pd_y);
+ const BLOCK_SIZE plane_bsize_c =
+ get_plane_block_size(AOMMAX(mbmi->sb_type, 3), pd_c);
+
+ const int num_4x4_w_y = num_4x4_blocks_wide_lookup[plane_bsize_y];
+ const int num_4x4_w_c = num_4x4_blocks_wide_lookup[plane_bsize_c];
+ const int num_4x4_h_y = num_4x4_blocks_high_lookup[plane_bsize_y];
+ const int num_4x4_h_c = num_4x4_blocks_high_lookup[plane_bsize_c];
+
+ const int max_4x4_w_y = get_max_4x4_size(num_4x4_w_y, xd->mb_to_right_edge,
+ pd_y->subsampling_x);
+ const int max_4x4_h_y = get_max_4x4_size(num_4x4_h_y, xd->mb_to_bottom_edge,
+ pd_y->subsampling_y);
+ const int max_4x4_w_c = get_max_4x4_size(num_4x4_w_c, xd->mb_to_right_edge,
+ pd_c->subsampling_x);
+ const int max_4x4_h_c = get_max_4x4_size(num_4x4_h_c, xd->mb_to_bottom_edge,
+ pd_c->subsampling_y);
+
+ // The max_4x4_w/h may be smaller than tx_sz under some corner cases,
+ // i.e. when the SB is splitted by tile boundaries.
+ const int tu_num_w_y = (max_4x4_w_y + tx_sz_y - 1) / tx_sz_y;
+ const int tu_num_h_y = (max_4x4_h_y + tx_sz_y - 1) / tx_sz_y;
+ const int tu_num_w_c = (max_4x4_w_c + tx_sz_c - 1) / tx_sz_c;
+ const int tu_num_h_c = (max_4x4_h_c + tx_sz_c - 1) / tx_sz_c;
+ const int tu_num_y = tu_num_w_y * tu_num_h_y;
+ const int tu_num_c = tu_num_w_c * tu_num_h_c;
+
+ int tu_idx_y = 0, tu_idx_c = 0;
+ TOKEN_STATS token_stats;
+ init_token_stats(&token_stats);
+
+ assert(*tok < tok_end);
+
+ while (tu_idx_y < tu_num_y) {
+ pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx_log2_y, &token_stats);
+ assert(*tok < tok_end && (*tok)->token == EOSB_TOKEN);
+ (*tok)++;
+ tu_idx_y++;
+
+ if (tu_idx_c < tu_num_c) {
+ pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx_log2_c, &token_stats);
+ assert(*tok < tok_end && (*tok)->token == EOSB_TOKEN);
+ (*tok)++;
+
+ pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx_log2_c, &token_stats);
+ assert(*tok < tok_end && (*tok)->token == EOSB_TOKEN);
+ (*tok)++;
+
+ tu_idx_c++;
+ }
+ }
+
+ // In 422 case, it's possilbe that Chroma has more TUs than Luma
+ while (tu_idx_c < tu_num_c) {
+ pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx_log2_c, &token_stats);
+ assert(*tok < tok_end && (*tok)->token == EOSB_TOKEN);
+ (*tok)++;
+
+ pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx_log2_c, &token_stats);
+ assert(*tok < tok_end && (*tok)->token == EOSB_TOKEN);
+ (*tok)++;
+
+ tu_idx_c++;
+ }
+ }
+#else // CONFIG_COEF_INTERLEAVE
+ if (!mbmi->skip) {
+#if !CONFIG_PVQ && !CONFIG_LV_MAP
+ assert(*tok < tok_end);
+#endif
+ for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
+#if CONFIG_CB4X4
+ if (!is_chroma_reference(mi_row, mi_col, mbmi->sb_type,
+ xd->plane[plane].subsampling_x,
+ xd->plane[plane].subsampling_y)) {
+ (*tok)++;
+ continue;
+ }
+#endif
+#if CONFIG_VAR_TX
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ BLOCK_SIZE bsize = mbmi->sb_type;
+#if CONFIG_CB4X4
+#if CONFIG_CHROMA_2X2
+ const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
+#else
+ const BLOCK_SIZE plane_bsize =
+ AOMMAX(BLOCK_4X4, get_plane_block_size(bsize, pd));
+#endif
+#else
+ const BLOCK_SIZE plane_bsize =
+ get_plane_block_size(AOMMAX(bsize, BLOCK_8X8), pd);
+#endif
+
+ const int num_4x4_w =
+ block_size_wide[plane_bsize] >> tx_size_wide_log2[0];
+ const int num_4x4_h =
+ block_size_high[plane_bsize] >> tx_size_wide_log2[0];
+ int row, col;
+ TOKEN_STATS token_stats;
+ init_token_stats(&token_stats);
+
+ if (is_inter_block(mbmi)) {
+ const TX_SIZE max_tx_size = get_vartx_max_txsize(mbmi, plane_bsize);
+ int block = 0;
+ const int step =
+ tx_size_wide_unit[max_tx_size] * tx_size_high_unit[max_tx_size];
+ const int bkw = tx_size_wide_unit[max_tx_size];
+ const int bkh = tx_size_high_unit[max_tx_size];
+ for (row = 0; row < num_4x4_h; row += bkh) {
+ for (col = 0; col < num_4x4_w; col += bkw) {
+ pack_txb_tokens(w, tok, tok_end,
+#if CONFIG_PVQ
+ x,
+#endif
+ xd, mbmi, plane, plane_bsize, cm->bit_depth, block,
+ row, col, max_tx_size, &token_stats);
+ block += step;
+ }
+ }
+#if CONFIG_RD_DEBUG
+ if (mbmi->sb_type >= BLOCK_8X8 &&
+ rd_token_stats_mismatch(&mbmi->rd_stats, &token_stats, plane)) {
+ dump_mode_info(m);
+ assert(0);
+ }
+#endif // CONFIG_RD_DEBUG
+ } else {
+ TX_SIZE tx = get_tx_size(plane, xd);
+#if CONFIG_CB4X4 && !CONFIG_CHROMA_2X2
+ tx = AOMMAX(TX_4X4, tx);
+#endif
+ const int bkw = tx_size_wide_unit[tx];
+ const int bkh = tx_size_high_unit[tx];
+ for (row = 0; row < num_4x4_h; row += bkh) {
+ for (col = 0; col < num_4x4_w; col += bkw) {
+#if !CONFIG_PVQ
+ pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx, &token_stats);
+#else
+ pack_pvq_tokens(w, x, xd, plane, bsize, tx);
+#endif
+ }
+ }
+ }
+#else
+ TX_SIZE tx = get_tx_size(plane, xd);
+ TOKEN_STATS token_stats;
+#if !CONFIG_PVQ
+ init_token_stats(&token_stats);
+#if CONFIG_LV_MAP
+ (void)tx;
+ av1_write_coeffs_mb(cm, x, w, plane);
+#else // CONFIG_LV_MAP
+ pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx, &token_stats);
+#endif // CONFIG_LV_MAP
+
+#else
+ (void)token_stats;
+ pack_pvq_tokens(w, x, xd, plane, mbmi->sb_type, tx);
+#endif
+#if CONFIG_RD_DEBUG
+ if (is_inter_block(mbmi) && mbmi->sb_type >= BLOCK_8X8 &&
+ rd_token_stats_mismatch(&mbmi->rd_stats, &token_stats, plane)) {
+ dump_mode_info(m);
+ assert(0);
+ }
+#endif // CONFIG_RD_DEBUG
+#endif // CONFIG_VAR_TX
+
+#if !CONFIG_PVQ && !CONFIG_LV_MAP
+ assert(*tok < tok_end && (*tok)->token == EOSB_TOKEN);
+ (*tok)++;
+#endif
+ }
+ }
+#endif // CONFIG_COEF_INTERLEAVE
+}
+
+#if CONFIG_MOTION_VAR && CONFIG_NCOBMC
+static void write_tokens_sb(AV1_COMP *cpi, const TileInfo *const tile,
+ aom_writer *w, const TOKENEXTRA **tok,
+ const TOKENEXTRA *const tok_end, int mi_row,
+ int mi_col, BLOCK_SIZE bsize) {
+ const AV1_COMMON *const cm = &cpi->common;
+ const int hbs = mi_size_wide[bsize] / 2;
+ PARTITION_TYPE partition;
+ BLOCK_SIZE subsize;
+#if CONFIG_CB4X4
+ const int unify_bsize = 1;
+#else
+ const int unify_bsize = 0;
+#endif
+
+ if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return;
+
+ partition = get_partition(cm, mi_row, mi_col, bsize);
+ subsize = get_subsize(bsize, partition);
+
+ if (subsize < BLOCK_8X8 && !unify_bsize) {
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col);
+ } else {
+ switch (partition) {
+ case PARTITION_NONE:
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col);
+ break;
+ case PARTITION_HORZ:
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col);
+ if (mi_row + hbs < cm->mi_rows)
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row + hbs, mi_col);
+ break;
+ case PARTITION_VERT:
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col);
+ if (mi_col + hbs < cm->mi_cols)
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col + hbs);
+ break;
+ case PARTITION_SPLIT:
+ write_tokens_sb(cpi, tile, w, tok, tok_end, mi_row, mi_col, subsize);
+ write_tokens_sb(cpi, tile, w, tok, tok_end, mi_row, mi_col + hbs,
+ subsize);
+ write_tokens_sb(cpi, tile, w, tok, tok_end, mi_row + hbs, mi_col,
+ subsize);
+ write_tokens_sb(cpi, tile, w, tok, tok_end, mi_row + hbs, mi_col + hbs,
+ subsize);
+ break;
+#if CONFIG_EXT_PARTITION_TYPES
+ case PARTITION_HORZ_A:
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col);
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col + hbs);
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row + hbs, mi_col);
+ break;
+ case PARTITION_HORZ_B:
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col);
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row + hbs, mi_col);
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row + hbs, mi_col + hbs);
+ break;
+ case PARTITION_VERT_A:
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col);
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row + hbs, mi_col);
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col + hbs);
+ break;
+ case PARTITION_VERT_B:
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col);
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col + hbs);
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row + hbs, mi_col + hbs);
+ break;
+#endif // CONFIG_EXT_PARTITION_TYPES
+ default: assert(0);
+ }
+ }
+}
+#endif
+
+static void write_modes_b(AV1_COMP *cpi, const TileInfo *const tile,
+ aom_writer *w, const TOKENEXTRA **tok,
+ const TOKENEXTRA *const tok_end,
+#if CONFIG_SUPERTX
+ int supertx_enabled,
+#endif
+ int mi_row, int mi_col) {
+ write_mbmi_b(cpi, tile, w,
+#if CONFIG_SUPERTX
+ supertx_enabled,
+#endif
+ mi_row, mi_col);
+#if CONFIG_MOTION_VAR && CONFIG_NCOBMC
+ (void)tok;
+ (void)tok_end;
+#else
+#if !CONFIG_PVQ && CONFIG_SUPERTX
+ if (!supertx_enabled)
+#endif
+ write_tokens_b(cpi, tile, w, tok, tok_end, mi_row, mi_col);
+#endif
+}
+
+static void write_partition(const AV1_COMMON *const cm,
+ const MACROBLOCKD *const xd, int hbs, int mi_row,
+ int mi_col, PARTITION_TYPE p, BLOCK_SIZE bsize,
+ aom_writer *w) {
+ const int has_rows = (mi_row + hbs) < cm->mi_rows;
+ const int has_cols = (mi_col + hbs) < cm->mi_cols;
+ const int is_partition_point = bsize >= BLOCK_8X8;
+ const int ctx = is_partition_point
+ ? partition_plane_context(xd, mi_row, mi_col,
+#if CONFIG_UNPOISON_PARTITION_CTX
+ has_rows, has_cols,
+#endif
+ bsize)
+ : 0;
+#if CONFIG_UNPOISON_PARTITION_CTX
+ const aom_prob *const probs =
+ ctx < PARTITION_CONTEXTS ? cm->fc->partition_prob[ctx] : NULL;
+#else
+ const aom_prob *const probs = cm->fc->partition_prob[ctx];
+#endif
+
+#if CONFIG_EC_ADAPT
+ FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
+ (void)cm;
+#elif CONFIG_EC_MULTISYMBOL
+ FRAME_CONTEXT *ec_ctx = cm->fc;
+#endif
+
+ if (!is_partition_point) return;
+
+ if (has_rows && has_cols) {
+#if CONFIG_EXT_PARTITION_TYPES
+ if (bsize <= BLOCK_8X8)
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, p, ec_ctx->partition_cdf[ctx], PARTITION_TYPES);
+#else
+ av1_write_token(w, av1_partition_tree, probs, &partition_encodings[p]);
+#endif
+ else
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, p, ec_ctx->partition_cdf[ctx], EXT_PARTITION_TYPES);
+#else
+ av1_write_token(w, av1_ext_partition_tree, probs,
+ &ext_partition_encodings[p]);
+#endif // CONFIG_EC_MULTISYMBOL
+#else
+#if CONFIG_EC_MULTISYMBOL
+ aom_write_symbol(w, p, ec_ctx->partition_cdf[ctx], PARTITION_TYPES);
+#else
+ av1_write_token(w, av1_partition_tree, probs, &partition_encodings[p]);
+#endif
+#endif // CONFIG_EXT_PARTITION_TYPES
+ } else if (!has_rows && has_cols) {
+ assert(p == PARTITION_SPLIT || p == PARTITION_HORZ);
+ aom_write(w, p == PARTITION_SPLIT, probs[1]);
+ } else if (has_rows && !has_cols) {
+ assert(p == PARTITION_SPLIT || p == PARTITION_VERT);
+ aom_write(w, p == PARTITION_SPLIT, probs[2]);
+ } else {
+ assert(p == PARTITION_SPLIT);
+ }
+}
+
+#if CONFIG_SUPERTX
+#define write_modes_sb_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled, \
+ mi_row, mi_col, bsize) \
+ write_modes_sb(cpi, tile, w, tok, tok_end, supertx_enabled, mi_row, mi_col, \
+ bsize)
+#else
+#define write_modes_sb_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled, \
+ mi_row, mi_col, bsize) \
+ write_modes_sb(cpi, tile, w, tok, tok_end, mi_row, mi_col, bsize)
+#endif // CONFIG_SUPERTX
+
+static void write_modes_sb(AV1_COMP *const cpi, const TileInfo *const tile,
+ aom_writer *const w, const TOKENEXTRA **tok,
+ const TOKENEXTRA *const tok_end,
+#if CONFIG_SUPERTX
+ int supertx_enabled,
+#endif
+ int mi_row, int mi_col, BLOCK_SIZE bsize) {
+ const AV1_COMMON *const cm = &cpi->common;
+ MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
+ const int hbs = mi_size_wide[bsize] / 2;
+ const PARTITION_TYPE partition = get_partition(cm, mi_row, mi_col, bsize);
+ const BLOCK_SIZE subsize = get_subsize(bsize, partition);
+#if CONFIG_CB4X4
+ const int unify_bsize = 1;
+#else
+ const int unify_bsize = 0;
+#endif
+
+#if CONFIG_SUPERTX
+ const int mi_offset = mi_row * cm->mi_stride + mi_col;
+ MB_MODE_INFO *mbmi;
+ const int pack_token = !supertx_enabled;
+ TX_SIZE supertx_size;
+ int plane;
+#endif
+
+ if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return;
+
+ write_partition(cm, xd, hbs, mi_row, mi_col, partition, bsize, w);
+#if CONFIG_SUPERTX
+ mbmi = &cm->mi_grid_visible[mi_offset]->mbmi;
+ xd->mi = cm->mi_grid_visible + mi_offset;
+ set_mi_row_col(xd, tile, mi_row, mi_size_high[bsize], mi_col,
+ mi_size_wide[bsize],
+#if CONFIG_DEPENDENT_HORZTILES
+ cm->dependent_horz_tiles,
+#endif // CONFIG_DEPENDENT_HORZTILES
+ cm->mi_rows, cm->mi_cols);
+ if (!supertx_enabled && !frame_is_intra_only(cm) &&
+ partition != PARTITION_NONE && bsize <= MAX_SUPERTX_BLOCK_SIZE &&
+ !xd->lossless[0]) {
+ aom_prob prob;
+ supertx_size = max_txsize_lookup[bsize];
+ prob = cm->fc->supertx_prob[partition_supertx_context_lookup[partition]]
+ [supertx_size];
+ supertx_enabled = (xd->mi[0]->mbmi.tx_size == supertx_size);
+ aom_write(w, supertx_enabled, prob);
+ }
+#endif // CONFIG_SUPERTX
+ if (subsize < BLOCK_8X8 && !unify_bsize) {
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled, mi_row,
+ mi_col);
+ } else {
+ switch (partition) {
+ case PARTITION_NONE:
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col);
+ break;
+ case PARTITION_HORZ:
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col);
+ if (mi_row + hbs < cm->mi_rows)
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row + hbs, mi_col);
+ break;
+ case PARTITION_VERT:
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col);
+ if (mi_col + hbs < cm->mi_cols)
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col + hbs);
+ break;
+ case PARTITION_SPLIT:
+ write_modes_sb_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col, subsize);
+ write_modes_sb_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col + hbs, subsize);
+ write_modes_sb_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row + hbs, mi_col, subsize);
+ write_modes_sb_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row + hbs, mi_col + hbs, subsize);
+ break;
+#if CONFIG_EXT_PARTITION_TYPES
+ case PARTITION_HORZ_A:
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col);
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col + hbs);
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row + hbs, mi_col);
+ break;
+ case PARTITION_HORZ_B:
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col);
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row + hbs, mi_col);
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row + hbs, mi_col + hbs);
+ break;
+ case PARTITION_VERT_A:
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col);
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row + hbs, mi_col);
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col + hbs);
+ break;
+ case PARTITION_VERT_B:
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col);
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row, mi_col + hbs);
+ write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled,
+ mi_row + hbs, mi_col + hbs);
+ break;
+#endif // CONFIG_EXT_PARTITION_TYPES
+ default: assert(0);
+ }
+ }
+#if CONFIG_SUPERTX
+ if (partition != PARTITION_NONE && supertx_enabled && pack_token) {
+ int skip;
+ const int bsw = mi_size_wide[bsize];
+ const int bsh = mi_size_high[bsize];
+
+ xd->mi = cm->mi_grid_visible + mi_offset;
+ supertx_size = mbmi->tx_size;
+ set_mi_row_col(xd, tile, mi_row, bsh, mi_col, bsw,
+#if CONFIG_DEPENDENT_HORZTILES
+ cm->dependent_horz_tiles,
+#endif // CONFIG_DEPENDENT_HORZTILES
+ cm->mi_rows, cm->mi_cols);
+
+ assert(IMPLIES(!cm->seg.enabled, mbmi->segment_id_supertx == 0));
+ assert(mbmi->segment_id_supertx < MAX_SEGMENTS);
+
+ skip = write_skip(cm, xd, mbmi->segment_id_supertx, xd->mi[0], w);
+#if CONFIG_EXT_TX
+ if (get_ext_tx_types(supertx_size, bsize, 1, cm->reduced_tx_set_used) > 1 &&
+ !skip) {
+ const int eset =
+ get_ext_tx_set(supertx_size, bsize, 1, cm->reduced_tx_set_used);
+ if (eset > 0) {
+#if CONFIG_EC_MULTISYMBOL
+#if CONFIG_EC_ADAPT
+ FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
+#else
+ FRAME_CONTEXT *ec_ctx = cm->fc;
+#endif
+ aom_write_symbol(w, av1_ext_tx_inter_ind[eset][mbmi->tx_type],
+ ec_ctx->inter_ext_tx_cdf[eset][supertx_size],
+ ext_tx_cnt_inter[eset]);
+#else
+ av1_write_token(w, av1_ext_tx_inter_tree[eset],
+ cm->fc->inter_ext_tx_prob[eset][supertx_size],
+ &ext_tx_inter_encodings[eset][mbmi->tx_type]);
+#endif
+ }
+ }
+#else
+ if (supertx_size < TX_32X32 && !skip) {
+ av1_write_token(w, av1_ext_tx_tree,
+ cm->fc->inter_ext_tx_prob[supertx_size],
+ &ext_tx_encodings[mbmi->tx_type]);
+ }
+#endif // CONFIG_EXT_TX
+
+ if (!skip) {
+ assert(*tok < tok_end);
+ for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ const int mbmi_txb_size = txsize_to_bsize[mbmi->tx_size];
+ const BLOCK_SIZE plane_bsize = get_plane_block_size(mbmi_txb_size, pd);
+
+ const int max_blocks_wide = max_block_wide(xd, plane_bsize, plane);
+ const int max_blocks_high = max_block_high(xd, plane_bsize, plane);
+
+ int row, col;
+ TX_SIZE tx = get_tx_size(plane, xd);
+ BLOCK_SIZE txb_size = txsize_to_bsize[tx];
+
+ const int stepr = tx_size_high_unit[txb_size];
+ const int stepc = tx_size_wide_unit[txb_size];
+
+ TOKEN_STATS token_stats;
+ token_stats.cost = 0;
+ for (row = 0; row < max_blocks_high; row += stepr)
+ for (col = 0; col < max_blocks_wide; col += stepc)
+ pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx, &token_stats);
+ assert(*tok < tok_end && (*tok)->token == EOSB_TOKEN);
+ (*tok)++;
+ }
+ }
+#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);
+ set_txfm_ctxs(xd->mi[0]->mbmi.tx_size, bsw, bsh, skip, xd);
+#endif
+ }
+#endif // CONFIG_SUPERTX
+
+// update partition context
+#if CONFIG_EXT_PARTITION_TYPES
+ update_ext_partition_context(xd, mi_row, mi_col, subsize, bsize, partition);
+#else
+ if (bsize >= BLOCK_8X8 &&
+ (bsize == BLOCK_8X8 || partition != PARTITION_SPLIT))
+ update_partition_context(xd, mi_row, mi_col, subsize, bsize);
+#endif // CONFIG_EXT_PARTITION_TYPES
+
+#if CONFIG_CDEF
+#if CONFIG_EXT_PARTITION
+ if (cm->sb_size == BLOCK_128X128 && bsize == BLOCK_128X128 &&
+ !sb_all_skip(cm, mi_row, mi_col)) {
+ aom_write_literal(w, cm->mi_grid_visible[mi_row * cm->mi_stride + mi_col]
+ ->mbmi.cdef_strength,
+ cm->cdef_bits);
+ } else if (cm->sb_size == BLOCK_64X64 && bsize == BLOCK_64X64 &&
+#else
+ if (bsize == BLOCK_64X64 &&
+#endif // CONFIG_EXT_PARTITION
+ !sb_all_skip(cm, mi_row, mi_col)) {
+ if (cm->cdef_bits != 0)
+ aom_write_literal(w, cm->mi_grid_visible[mi_row * cm->mi_stride + mi_col]
+ ->mbmi.cdef_strength,
+ cm->cdef_bits);
+ }
+#endif
+}
+
+static void write_modes(AV1_COMP *const cpi, const TileInfo *const tile,
+ aom_writer *const w, const TOKENEXTRA **tok,
+ const TOKENEXTRA *const tok_end) {
+ AV1_COMMON *const cm = &cpi->common;
+ MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
+ const int mi_row_start = tile->mi_row_start;
+ const int mi_row_end = tile->mi_row_end;
+ const int mi_col_start = tile->mi_col_start;
+ const int mi_col_end = tile->mi_col_end;
+ int mi_row, mi_col;
+
+#if CONFIG_DEPENDENT_HORZTILES
+#if CONFIG_TILE_GROUPS
+ if (!cm->dependent_horz_tiles || mi_row_start == 0 ||
+ tile->tg_horz_boundary) {
+#else
+ if (!cm->dependent_horz_tiles || mi_row_start == 0) {
+#endif
+ av1_zero_above_context(cm, mi_col_start, mi_col_end);
+ }
+#else
+ av1_zero_above_context(cm, mi_col_start, mi_col_end);
+#endif
+#if CONFIG_PVQ
+ assert(cpi->td.mb.pvq_q->curr_pos == 0);
+#endif
+#if CONFIG_DELTA_Q
+ if (cpi->common.delta_q_present_flag) {
+ xd->prev_qindex = cpi->common.base_qindex;
+#if CONFIG_EXT_DELTA_Q
+ if (cpi->common.delta_lf_present_flag) {
+ xd->prev_delta_lf_from_base = 0;
+ }
+#endif // CONFIG_EXT_DELTA_Q
+ }
+#endif
+
+ for (mi_row = mi_row_start; mi_row < mi_row_end; mi_row += cm->mib_size) {
+ av1_zero_left_context(xd);
+
+ for (mi_col = mi_col_start; mi_col < mi_col_end; mi_col += cm->mib_size) {
+ write_modes_sb_wrapper(cpi, tile, w, tok, tok_end, 0, mi_row, mi_col,
+ cm->sb_size);
+#if CONFIG_MOTION_VAR && CONFIG_NCOBMC
+ write_tokens_sb(cpi, tile, w, tok, tok_end, mi_row, mi_col, cm->sb_size);
+#endif
+ }
+ }
+#if CONFIG_PVQ
+ // Check that the number of PVQ blocks encoded and written to the bitstream
+ // are the same
+ assert(cpi->td.mb.pvq_q->curr_pos == cpi->td.mb.pvq_q->last_pos);
+ // Reset curr_pos in case we repack the bitstream
+ cpi->td.mb.pvq_q->curr_pos = 0;
+#endif
+}
+
+#if !CONFIG_LV_MAP
+#if !CONFIG_PVQ && !(CONFIG_EC_ADAPT && CONFIG_NEW_TOKENSET)
+static void build_tree_distribution(AV1_COMP *cpi, TX_SIZE tx_size,
+ av1_coeff_stats *coef_branch_ct,
+ av1_coeff_probs_model *coef_probs) {
+ av1_coeff_count *coef_counts = cpi->td.rd_counts.coef_counts[tx_size];
+ unsigned int(*eob_branch_ct)[REF_TYPES][COEF_BANDS][COEFF_CONTEXTS] =
+ cpi->common.counts.eob_branch[tx_size];
+ int i, j, k, l, m;
+#if CONFIG_RECT_TX
+ assert(!is_rect_tx(tx_size));
+#endif // CONFIG_RECT_TX
+
+ for (i = 0; i < PLANE_TYPES; ++i) {
+ for (j = 0; j < REF_TYPES; ++j) {
+ for (k = 0; k < COEF_BANDS; ++k) {
+ for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
+ av1_tree_probs_from_distribution(av1_coef_tree,
+ coef_branch_ct[i][j][k][l],
+ coef_counts[i][j][k][l]);
+ coef_branch_ct[i][j][k][l][0][1] =
+ eob_branch_ct[i][j][k][l] - coef_branch_ct[i][j][k][l][0][0];
+ for (m = 0; m < UNCONSTRAINED_NODES; ++m)
+ coef_probs[i][j][k][l][m] =
+ get_binary_prob(coef_branch_ct[i][j][k][l][m][0],
+ coef_branch_ct[i][j][k][l][m][1]);
+ }
+ }
+ }
+ }
+}
+
+#if !(CONFIG_EC_ADAPT && CONFIG_NEW_TOKENSET)
+static void update_coef_probs_common(aom_writer *const bc, AV1_COMP *cpi,
+ TX_SIZE tx_size,
+ av1_coeff_stats *frame_branch_ct,
+ av1_coeff_probs_model *new_coef_probs) {
+ av1_coeff_probs_model *old_coef_probs = cpi->common.fc->coef_probs[tx_size];
+ const aom_prob upd = DIFF_UPDATE_PROB;
+#if CONFIG_EC_ADAPT
+ const int entropy_nodes_update = UNCONSTRAINED_NODES - 1;
+#else
+ const int entropy_nodes_update = UNCONSTRAINED_NODES;
+#endif
+ int i, j, k, l, t;
+ int stepsize = cpi->sf.coeff_prob_appx_step;
+#if CONFIG_TILE_GROUPS
+ const int probwt = cpi->common.num_tg;
+#else
+ const int probwt = 1;
+#endif
+#if CONFIG_RECT_TX
+ assert(!is_rect_tx(tx_size));
+#endif // CONFIG_RECT_TX
+
+ switch (cpi->sf.use_fast_coef_updates) {
+ case TWO_LOOP: {
+ /* dry run to see if there is any update at all needed */
+ int savings = 0;
+ int update[2] = { 0, 0 };
+ for (i = 0; i < PLANE_TYPES; ++i) {
+ for (j = 0; j < REF_TYPES; ++j) {
+ for (k = 0; k < COEF_BANDS; ++k) {
+ for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
+ for (t = 0; t < entropy_nodes_update; ++t) {
+ aom_prob newp = new_coef_probs[i][j][k][l][t];
+ const aom_prob oldp = old_coef_probs[i][j][k][l][t];
+ int s;
+ int u = 0;
+ if (t == PIVOT_NODE)
+ s = av1_prob_diff_update_savings_search_model(
+ frame_branch_ct[i][j][k][l][0], oldp, &newp, upd,
+ stepsize, probwt);
+ else
+ s = av1_prob_diff_update_savings_search(
+ frame_branch_ct[i][j][k][l][t], oldp, &newp, upd, probwt);
+
+ if (s > 0 && newp != oldp) u = 1;
+ if (u)
+ savings += s - (int)(av1_cost_zero(upd));
+ else
+ savings -= (int)(av1_cost_zero(upd));
+ update[u]++;
+ }
+ }
+ }
+ }
+ }
+
+ /* Is coef updated at all */
+ if (update[1] == 0 || savings < 0) {
+ aom_write_bit(bc, 0);
+ return;
+ }
+ aom_write_bit(bc, 1);
+ for (i = 0; i < PLANE_TYPES; ++i) {
+ for (j = 0; j < REF_TYPES; ++j) {
+ for (k = 0; k < COEF_BANDS; ++k) {
+ for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
+ // calc probs and branch cts for this frame only
+ for (t = 0; t < entropy_nodes_update; ++t) {
+ aom_prob newp = new_coef_probs[i][j][k][l][t];
+ aom_prob *oldp = old_coef_probs[i][j][k][l] + t;
+ int s;
+ int u = 0;
+ if (t == PIVOT_NODE)
+ s = av1_prob_diff_update_savings_search_model(
+ frame_branch_ct[i][j][k][l][0], *oldp, &newp, upd,
+ stepsize, probwt);
+ else
+ s = av1_prob_diff_update_savings_search(
+ frame_branch_ct[i][j][k][l][t], *oldp, &newp, upd,
+ probwt);
+ if (s > 0 && newp != *oldp) u = 1;
+ aom_write(bc, u, upd);
+ if (u) {
+ /* send/use new probability */
+ av1_write_prob_diff_update(bc, newp, *oldp);
+ *oldp = newp;
+ }
+ }
+ }
+ }
+ }
+ }
+ return;
+ }
+
+ case ONE_LOOP_REDUCED: {
+ int updates = 0;
+ int noupdates_before_first = 0;
+ for (i = 0; i < PLANE_TYPES; ++i) {
+ for (j = 0; j < REF_TYPES; ++j) {
+ for (k = 0; k < COEF_BANDS; ++k) {
+ for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
+ // calc probs and branch cts for this frame only
+ for (t = 0; t < entropy_nodes_update; ++t) {
+ aom_prob newp = new_coef_probs[i][j][k][l][t];
+ aom_prob *oldp = old_coef_probs[i][j][k][l] + t;
+ int s;
+ int u = 0;
+ if (t == PIVOT_NODE) {
+ s = av1_prob_diff_update_savings_search_model(
+ frame_branch_ct[i][j][k][l][0], *oldp, &newp, upd,
+ stepsize, probwt);
+ } else {
+ s = av1_prob_diff_update_savings_search(
+ frame_branch_ct[i][j][k][l][t], *oldp, &newp, upd,
+ probwt);
+ }
+
+ if (s > 0 && newp != *oldp) u = 1;
+ updates += u;
+ if (u == 0 && updates == 0) {
+ noupdates_before_first++;
+ continue;
+ }
+ if (u == 1 && updates == 1) {
+ int v;
+ // first update
+ aom_write_bit(bc, 1);
+ for (v = 0; v < noupdates_before_first; ++v)
+ aom_write(bc, 0, upd);
+ }
+ aom_write(bc, u, upd);
+ if (u) {
+ /* send/use new probability */
+ av1_write_prob_diff_update(bc, newp, *oldp);
+ *oldp = newp;
+ }
+ }
+ }
+ }
+ }
+ }
+ if (updates == 0) {
+ aom_write_bit(bc, 0); // no updates
+ }
+ return;
+ }
+ default: assert(0);
+ }
+}
+#endif
+#if CONFIG_SUBFRAME_PROB_UPDATE
+// Calculate the token counts between subsequent subframe updates.
+static void get_coef_counts_diff(
+ AV1_COMP *cpi, int index,
+ av1_coeff_count coef_counts[TX_SIZES][PLANE_TYPES],
+ unsigned int eob_counts[TX_SIZES][PLANE_TYPES][REF_TYPES][COEF_BANDS]
+ [COEFF_CONTEXTS]) {
+ int i, j, k, l, m, tx_size, val;
+ const int max_idx = cpi->common.coef_probs_update_idx;
+ const TX_MODE tx_mode = cpi->common.tx_mode;
+ const int max_tx_size = tx_mode_to_biggest_tx_size[tx_mode];
+ const SUBFRAME_STATS *subframe_stats = &cpi->subframe_stats;
+
+ assert(max_idx < COEF_PROBS_BUFS);
+
+ for (tx_size = 0; tx_size <= max_tx_size; ++tx_size)
+ for (i = 0; i < PLANE_TYPES; ++i)
+ for (j = 0; j < REF_TYPES; ++j)
+ for (k = 0; k < COEF_BANDS; ++k)
+ for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
+ if (index == max_idx) {
+ val =
+ cpi->common.counts.eob_branch[tx_size][i][j][k][l] -
+ subframe_stats->eob_counts_buf[max_idx][tx_size][i][j][k][l];
+ } else {
+ val = subframe_stats
+ ->eob_counts_buf[index + 1][tx_size][i][j][k][l] -
+ subframe_stats->eob_counts_buf[index][tx_size][i][j][k][l];
+ }
+ assert(val >= 0);
+ eob_counts[tx_size][i][j][k][l] = val;
+
+ for (m = 0; m < ENTROPY_TOKENS; ++m) {
+ if (index == max_idx) {
+ val = cpi->td.rd_counts.coef_counts[tx_size][i][j][k][l][m] -
+ subframe_stats
+ ->coef_counts_buf[max_idx][tx_size][i][j][k][l][m];
+ } else {
+ val = subframe_stats
+ ->coef_counts_buf[index + 1][tx_size][i][j][k][l][m] -
+ subframe_stats
+ ->coef_counts_buf[index][tx_size][i][j][k][l][m];
+ }
+ assert(val >= 0);
+ coef_counts[tx_size][i][j][k][l][m] = val;
+ }
+ }
+}
+
+static void update_coef_probs_subframe(
+ aom_writer *const bc, AV1_COMP *cpi, TX_SIZE tx_size,
+ av1_coeff_stats branch_ct[COEF_PROBS_BUFS][TX_SIZES][PLANE_TYPES],
+ av1_coeff_probs_model *new_coef_probs) {
+ av1_coeff_probs_model *old_coef_probs = cpi->common.fc->coef_probs[tx_size];
+ const aom_prob upd = DIFF_UPDATE_PROB;
+ const int entropy_nodes_update = UNCONSTRAINED_NODES;
+ int i, j, k, l, t;
+ int stepsize = cpi->sf.coeff_prob_appx_step;
+ const int max_idx = cpi->common.coef_probs_update_idx;
+ int idx;
+ unsigned int this_branch_ct[ENTROPY_NODES][COEF_PROBS_BUFS][2];
+
+ switch (cpi->sf.use_fast_coef_updates) {
+ case TWO_LOOP: {
+ /* dry run to see if there is any update at all needed */
+ int savings = 0;
+ int update[2] = { 0, 0 };
+ for (i = 0; i < PLANE_TYPES; ++i) {
+ for (j = 0; j < REF_TYPES; ++j) {
+ for (k = 0; k < COEF_BANDS; ++k) {
+ for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
+ for (t = 0; t < ENTROPY_NODES; ++t) {
+ for (idx = 0; idx <= max_idx; ++idx) {
+ memcpy(this_branch_ct[t][idx],
+ branch_ct[idx][tx_size][i][j][k][l][t],
+ 2 * sizeof(this_branch_ct[t][idx][0]));
+ }
+ }
+ for (t = 0; t < entropy_nodes_update; ++t) {
+ aom_prob newp = new_coef_probs[i][j][k][l][t];
+ const aom_prob oldp = old_coef_probs[i][j][k][l][t];
+ int s, u = 0;
+
+ if (t == PIVOT_NODE)
+ s = av1_prob_update_search_model_subframe(
+ this_branch_ct, old_coef_probs[i][j][k][l], &newp, upd,
+ stepsize, max_idx);
+ else
+ s = av1_prob_update_search_subframe(this_branch_ct[t], oldp,
+ &newp, upd, max_idx);
+ if (s > 0 && newp != oldp) u = 1;
+ if (u)
+ savings += s - (int)(av1_cost_zero(upd));
+ else
+ savings -= (int)(av1_cost_zero(upd));
+ update[u]++;
+ }
+ }
+ }
+ }
+ }
+
+ /* Is coef updated at all */
+ if (update[1] == 0 || savings < 0) {
+ aom_write_bit(bc, 0);
+ return;
+ }
+ aom_write_bit(bc, 1);
+ for (i = 0; i < PLANE_TYPES; ++i) {
+ for (j = 0; j < REF_TYPES; ++j) {
+ for (k = 0; k < COEF_BANDS; ++k) {
+ for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
+ for (t = 0; t < ENTROPY_NODES; ++t) {
+ for (idx = 0; idx <= max_idx; ++idx) {
+ memcpy(this_branch_ct[t][idx],
+ branch_ct[idx][tx_size][i][j][k][l][t],
+ 2 * sizeof(this_branch_ct[t][idx][0]));
+ }
+ }
+ for (t = 0; t < entropy_nodes_update; ++t) {
+ aom_prob newp = new_coef_probs[i][j][k][l][t];
+ aom_prob *oldp = old_coef_probs[i][j][k][l] + t;
+ int s;
+ int u = 0;
+
+ if (t == PIVOT_NODE)
+ s = av1_prob_update_search_model_subframe(
+ this_branch_ct, old_coef_probs[i][j][k][l], &newp, upd,
+ stepsize, max_idx);
+ else
+ s = av1_prob_update_search_subframe(this_branch_ct[t], *oldp,
+ &newp, upd, max_idx);
+ if (s > 0 && newp != *oldp) u = 1;
+ aom_write(bc, u, upd);
+ if (u) {
+ /* send/use new probability */
+ av1_write_prob_diff_update(bc, newp, *oldp);
+ *oldp = newp;
+ }
+ }
+ }
+ }
+ }
+ }
+ return;
+ }
+
+ case ONE_LOOP_REDUCED: {
+ int updates = 0;
+ int noupdates_before_first = 0;
+ for (i = 0; i < PLANE_TYPES; ++i) {
+ for (j = 0; j < REF_TYPES; ++j) {
+ for (k = 0; k < COEF_BANDS; ++k) {
+ for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
+ for (t = 0; t < ENTROPY_NODES; ++t) {
+ for (idx = 0; idx <= max_idx; ++idx) {
+ memcpy(this_branch_ct[t][idx],
+ branch_ct[idx][tx_size][i][j][k][l][t],
+ 2 * sizeof(this_branch_ct[t][idx][0]));
+ }
+ }
+ for (t = 0; t < entropy_nodes_update; ++t) {
+ aom_prob newp = new_coef_probs[i][j][k][l][t];
+ aom_prob *oldp = old_coef_probs[i][j][k][l] + t;
+ int s;
+ int u = 0;
+
+ if (t == PIVOT_NODE)
+ s = av1_prob_update_search_model_subframe(
+ this_branch_ct, old_coef_probs[i][j][k][l], &newp, upd,
+ stepsize, max_idx);
+ else
+ s = av1_prob_update_search_subframe(this_branch_ct[t], *oldp,
+ &newp, upd, max_idx);
+ if (s > 0 && newp != *oldp) u = 1;
+ updates += u;
+ if (u == 0 && updates == 0) {
+ noupdates_before_first++;
+ continue;
+ }
+ if (u == 1 && updates == 1) {
+ int v;
+ // first update
+ aom_write_bit(bc, 1);
+ for (v = 0; v < noupdates_before_first; ++v)
+ aom_write(bc, 0, upd);
+ }
+ aom_write(bc, u, upd);
+ if (u) {
+ /* send/use new probability */
+ av1_write_prob_diff_update(bc, newp, *oldp);
+ *oldp = newp;
+ }
+ }
+ }
+ }
+ }
+ }
+ if (updates == 0) {
+ aom_write_bit(bc, 0); // no updates
+ }
+ return;
+ }
+ default: assert(0);
+ }
+}
+#endif // CONFIG_SUBFRAME_PROB_UPDATE
+
+#if !(CONFIG_EC_ADAPT && CONFIG_NEW_TOKENSET)
+static void update_coef_probs(AV1_COMP *cpi, aom_writer *w) {
+ const TX_MODE tx_mode = cpi->common.tx_mode;
+ const TX_SIZE max_tx_size = tx_mode_to_biggest_tx_size[tx_mode];
+ TX_SIZE tx_size;
+#if CONFIG_SUBFRAME_PROB_UPDATE
+ AV1_COMMON *cm = &cpi->common;
+ SUBFRAME_STATS *subframe_stats = &cpi->subframe_stats;
+ int i;
+ av1_coeff_probs_model dummy_frame_coef_probs[PLANE_TYPES];
+
+ if (cm->do_subframe_update &&
+ cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD) {
+ av1_copy(cpi->common.fc->coef_probs,
+ subframe_stats->enc_starting_coef_probs);
+ for (i = 0; i <= cpi->common.coef_probs_update_idx; ++i) {
+ get_coef_counts_diff(cpi, i, cpi->wholeframe_stats.coef_counts_buf[i],
+ cpi->wholeframe_stats.eob_counts_buf[i]);
+ }
+ }
+#endif // CONFIG_SUBFRAME_PROB_UPDATE
+
+ for (tx_size = 0; tx_size <= max_tx_size; ++tx_size) {
+ av1_coeff_stats frame_branch_ct[PLANE_TYPES];
+ av1_coeff_probs_model frame_coef_probs[PLANE_TYPES];
+ if (cpi->td.counts->tx_size_totals[tx_size] <= 20 || CONFIG_RD_DEBUG ||
+ (tx_size >= TX_16X16 && cpi->sf.tx_size_search_method == USE_TX_8X8)) {
+ aom_write_bit(w, 0);
+ } else {
+#if CONFIG_SUBFRAME_PROB_UPDATE
+ if (cm->do_subframe_update &&
+ cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD) {
+ unsigned int this_eob_counts_copy[PLANE_TYPES][REF_TYPES][COEF_BANDS]
+ [COEFF_CONTEXTS];
+ av1_coeff_count coef_counts_copy[PLANE_TYPES];
+ av1_copy(this_eob_counts_copy, cpi->common.counts.eob_branch[tx_size]);
+ av1_copy(coef_counts_copy, cpi->td.rd_counts.coef_counts[tx_size]);
+ build_tree_distribution(cpi, tx_size, frame_branch_ct,
+ frame_coef_probs);
+ for (i = 0; i <= cpi->common.coef_probs_update_idx; ++i) {
+ av1_copy(cpi->common.counts.eob_branch[tx_size],
+ cpi->wholeframe_stats.eob_counts_buf[i][tx_size]);
+ av1_copy(cpi->td.rd_counts.coef_counts[tx_size],
+ cpi->wholeframe_stats.coef_counts_buf[i][tx_size]);
+ build_tree_distribution(cpi, tx_size, cpi->branch_ct_buf[i][tx_size],
+ dummy_frame_coef_probs);
+ }
+ av1_copy(cpi->common.counts.eob_branch[tx_size], this_eob_counts_copy);
+ av1_copy(cpi->td.rd_counts.coef_counts[tx_size], coef_counts_copy);
+
+ update_coef_probs_subframe(w, cpi, tx_size, cpi->branch_ct_buf,
+ frame_coef_probs);
+ } else {
+#endif // CONFIG_SUBFRAME_PROB_UPDATE
+ build_tree_distribution(cpi, tx_size, frame_branch_ct,
+ frame_coef_probs);
+ update_coef_probs_common(w, cpi, tx_size, frame_branch_ct,
+ frame_coef_probs);
+#if CONFIG_SUBFRAME_PROB_UPDATE
+ }
+#endif // CONFIG_SUBFRAME_PROB_UPDATE
+ }
+ }
+
+#if CONFIG_SUBFRAME_PROB_UPDATE
+ av1_copy(cm->starting_coef_probs, cm->fc->coef_probs);
+ av1_copy(subframe_stats->coef_probs_buf[0], cm->fc->coef_probs);
+ if (cm->do_subframe_update &&
+ cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD) {
+ unsigned int eob_counts_copy[TX_SIZES][PLANE_TYPES][REF_TYPES][COEF_BANDS]
+ [COEFF_CONTEXTS];
+ av1_copy(eob_counts_copy, cm->counts.eob_branch);
+ for (i = 1; i <= cpi->common.coef_probs_update_idx; ++i) {
+ for (tx_size = 0; tx_size <= max_tx_size; ++tx_size)
+ av1_full_to_model_counts(cm->counts.coef[tx_size],
+ subframe_stats->coef_counts_buf[i][tx_size]);
+ av1_copy(cm->counts.eob_branch, subframe_stats->eob_counts_buf[i]);
+ av1_partial_adapt_probs(cm, 0, 0);
+ av1_copy(subframe_stats->coef_probs_buf[i], cm->fc->coef_probs);
+ }
+ av1_copy(cm->fc->coef_probs, subframe_stats->coef_probs_buf[0]);
+ av1_copy(cm->counts.eob_branch, eob_counts_copy);
+ }
+#endif // CONFIG_SUBFRAME_PROB_UPDATE
+}
+#endif // !(CONFIG_EC_ADAPT && CONFIG_NEW_TOKENSET)
+#endif // !CONFIG_EC_ADAPT
+#endif // !CONFIG_LV_MAP
+
+#if CONFIG_LOOP_RESTORATION
+static void encode_restoration_mode(AV1_COMMON *cm,
+ struct aom_write_bit_buffer *wb) {
+ int p;
+ RestorationInfo *rsi = &cm->rst_info[0];
+ switch (rsi->frame_restoration_type) {
+ case RESTORE_NONE:
+ aom_wb_write_bit(wb, 0);
+ aom_wb_write_bit(wb, 0);
+ break;
+ case RESTORE_WIENER:
+ aom_wb_write_bit(wb, 1);
+ aom_wb_write_bit(wb, 0);
+ break;
+ case RESTORE_SGRPROJ:
+ aom_wb_write_bit(wb, 1);
+ aom_wb_write_bit(wb, 1);
+ break;
+ case RESTORE_SWITCHABLE:
+ aom_wb_write_bit(wb, 0);
+ aom_wb_write_bit(wb, 1);
+ break;
+ default: assert(0);
+ }
+ for (p = 1; p < MAX_MB_PLANE; ++p) {
+ rsi = &cm->rst_info[p];
+ switch (rsi->frame_restoration_type) {
+ case RESTORE_NONE: aom_wb_write_bit(wb, 0); break;
+ case RESTORE_WIENER: aom_wb_write_bit(wb, 1); break;
+ default: assert(0);
+ }
+ }
+ if (cm->rst_info[0].frame_restoration_type != RESTORE_NONE ||
+ cm->rst_info[1].frame_restoration_type != RESTORE_NONE ||
+ cm->rst_info[2].frame_restoration_type != RESTORE_NONE) {
+ rsi = &cm->rst_info[0];
+ aom_wb_write_bit(wb, rsi->restoration_tilesize != RESTORATION_TILESIZE_MAX);
+ if (rsi->restoration_tilesize != RESTORATION_TILESIZE_MAX) {
+ aom_wb_write_bit(
+ wb, rsi->restoration_tilesize != (RESTORATION_TILESIZE_MAX >> 1));
+ }
+ }
+}
+
+static void write_wiener_filter(WienerInfo *wiener_info,
+ WienerInfo *ref_wiener_info, aom_writer *wb) {
+ aom_write_primitive_refsubexpfin(
+ wb, WIENER_FILT_TAP0_MAXV - WIENER_FILT_TAP0_MINV + 1,
+ WIENER_FILT_TAP0_SUBEXP_K,
+ ref_wiener_info->vfilter[0] - WIENER_FILT_TAP0_MINV,
+ wiener_info->vfilter[0] - WIENER_FILT_TAP0_MINV);
+ aom_write_primitive_refsubexpfin(
+ wb, WIENER_FILT_TAP1_MAXV - WIENER_FILT_TAP1_MINV + 1,
+ WIENER_FILT_TAP1_SUBEXP_K,
+ ref_wiener_info->vfilter[1] - WIENER_FILT_TAP1_MINV,
+ wiener_info->vfilter[1] - WIENER_FILT_TAP1_MINV);
+ aom_write_primitive_refsubexpfin(
+ wb, WIENER_FILT_TAP2_MAXV - WIENER_FILT_TAP2_MINV + 1,
+ WIENER_FILT_TAP2_SUBEXP_K,
+ ref_wiener_info->vfilter[2] - WIENER_FILT_TAP2_MINV,
+ wiener_info->vfilter[2] - WIENER_FILT_TAP2_MINV);
+ aom_write_primitive_refsubexpfin(
+ wb, WIENER_FILT_TAP0_MAXV - WIENER_FILT_TAP0_MINV + 1,
+ WIENER_FILT_TAP0_SUBEXP_K,
+ ref_wiener_info->hfilter[0] - WIENER_FILT_TAP0_MINV,
+ wiener_info->hfilter[0] - WIENER_FILT_TAP0_MINV);
+ aom_write_primitive_refsubexpfin(
+ wb, WIENER_FILT_TAP1_MAXV - WIENER_FILT_TAP1_MINV + 1,
+ WIENER_FILT_TAP1_SUBEXP_K,
+ ref_wiener_info->hfilter[1] - WIENER_FILT_TAP1_MINV,
+ wiener_info->hfilter[1] - WIENER_FILT_TAP1_MINV);
+ aom_write_primitive_refsubexpfin(
+ wb, WIENER_FILT_TAP2_MAXV - WIENER_FILT_TAP2_MINV + 1,
+ WIENER_FILT_TAP2_SUBEXP_K,
+ ref_wiener_info->hfilter[2] - WIENER_FILT_TAP2_MINV,
+ wiener_info->hfilter[2] - WIENER_FILT_TAP2_MINV);
+ memcpy(ref_wiener_info, wiener_info, sizeof(*wiener_info));
+}
+
+static void write_sgrproj_filter(SgrprojInfo *sgrproj_info,
+ SgrprojInfo *ref_sgrproj_info,
+ aom_writer *wb) {
+ aom_write_literal(wb, sgrproj_info->ep, SGRPROJ_PARAMS_BITS);
+ aom_write_primitive_refsubexpfin(wb, SGRPROJ_PRJ_MAX0 - SGRPROJ_PRJ_MIN0 + 1,
+ SGRPROJ_PRJ_SUBEXP_K,
+ ref_sgrproj_info->xqd[0] - SGRPROJ_PRJ_MIN0,
+ sgrproj_info->xqd[0] - SGRPROJ_PRJ_MIN0);
+ aom_write_primitive_refsubexpfin(wb, SGRPROJ_PRJ_MAX1 - SGRPROJ_PRJ_MIN1 + 1,
+ SGRPROJ_PRJ_SUBEXP_K,
+ ref_sgrproj_info->xqd[1] - SGRPROJ_PRJ_MIN1,
+ sgrproj_info->xqd[1] - SGRPROJ_PRJ_MIN1);
+ memcpy(ref_sgrproj_info, sgrproj_info, sizeof(*sgrproj_info));
+}
+
+static void encode_restoration(AV1_COMMON *cm, aom_writer *wb) {
+ int i, p;
+ const int ntiles = av1_get_rest_ntiles(cm->width, cm->height,
+ cm->rst_info[0].restoration_tilesize,
+ NULL, NULL, NULL, NULL);
+ WienerInfo ref_wiener_info;
+ SgrprojInfo ref_sgrproj_info;
+ set_default_wiener(&ref_wiener_info);
+ set_default_sgrproj(&ref_sgrproj_info);
+ const int ntiles_uv = av1_get_rest_ntiles(
+ ROUND_POWER_OF_TWO(cm->width, cm->subsampling_x),
+ ROUND_POWER_OF_TWO(cm->height, cm->subsampling_y),
+ cm->rst_info[1].restoration_tilesize, NULL, NULL, NULL, NULL);
+ RestorationInfo *rsi = &cm->rst_info[0];
+ if (rsi->frame_restoration_type != RESTORE_NONE) {
+ if (rsi->frame_restoration_type == RESTORE_SWITCHABLE) {
+ // RESTORE_SWITCHABLE
+ for (i = 0; i < ntiles; ++i) {
+ av1_write_token(
+ wb, av1_switchable_restore_tree, cm->fc->switchable_restore_prob,
+ &switchable_restore_encodings[rsi->restoration_type[i]]);
+ if (rsi->restoration_type[i] == RESTORE_WIENER) {
+ write_wiener_filter(&rsi->wiener_info[i], &ref_wiener_info, wb);
+ } else if (rsi->restoration_type[i] == RESTORE_SGRPROJ) {
+ write_sgrproj_filter(&rsi->sgrproj_info[i], &ref_sgrproj_info, wb);
+ }
+ }
+ } else if (rsi->frame_restoration_type == RESTORE_WIENER) {
+ for (i = 0; i < ntiles; ++i) {
+ aom_write(wb, rsi->restoration_type[i] != RESTORE_NONE,
+ RESTORE_NONE_WIENER_PROB);
+ if (rsi->restoration_type[i] != RESTORE_NONE) {
+ write_wiener_filter(&rsi->wiener_info[i], &ref_wiener_info, wb);
+ }
+ }
+ } else if (rsi->frame_restoration_type == RESTORE_SGRPROJ) {
+ for (i = 0; i < ntiles; ++i) {
+ aom_write(wb, rsi->restoration_type[i] != RESTORE_NONE,
+ RESTORE_NONE_SGRPROJ_PROB);
+ if (rsi->restoration_type[i] != RESTORE_NONE) {
+ write_sgrproj_filter(&rsi->sgrproj_info[i], &ref_sgrproj_info, wb);
+ }
+ }
+ }
+ }
+ for (p = 1; p < MAX_MB_PLANE; ++p) {
+ set_default_wiener(&ref_wiener_info);
+ rsi = &cm->rst_info[p];
+ if (rsi->frame_restoration_type == RESTORE_WIENER) {
+ for (i = 0; i < ntiles_uv; ++i) {
+ if (ntiles_uv > 1)
+ aom_write(wb, rsi->restoration_type[i] != RESTORE_NONE,
+ RESTORE_NONE_WIENER_PROB);
+ if (rsi->restoration_type[i] != RESTORE_NONE) {
+ write_wiener_filter(&rsi->wiener_info[i], &ref_wiener_info, wb);
+ }
+ }
+ } else if (rsi->frame_restoration_type != RESTORE_NONE) {
+ assert(0);
+ }
+ }
+}
+#endif // CONFIG_LOOP_RESTORATION
+
+static void encode_loopfilter(AV1_COMMON *cm, struct aom_write_bit_buffer *wb) {
+ int i;
+ struct loopfilter *lf = &cm->lf;
+
+ // Encode the loop filter level and type
+ aom_wb_write_literal(wb, lf->filter_level, 6);
+ aom_wb_write_literal(wb, lf->sharpness_level, 3);
+
+ // Write out loop filter deltas applied at the MB level based on mode or
+ // ref frame (if they are enabled).
+ aom_wb_write_bit(wb, lf->mode_ref_delta_enabled);
+
+ if (lf->mode_ref_delta_enabled) {
+ aom_wb_write_bit(wb, lf->mode_ref_delta_update);
+ if (lf->mode_ref_delta_update) {
+ for (i = 0; i < TOTAL_REFS_PER_FRAME; i++) {
+ const int delta = lf->ref_deltas[i];
+ const int changed = delta != lf->last_ref_deltas[i];
+ aom_wb_write_bit(wb, changed);
+ if (changed) {
+ lf->last_ref_deltas[i] = delta;
+ aom_wb_write_inv_signed_literal(wb, delta, 6);
+ }
+ }
+
+ for (i = 0; i < MAX_MODE_LF_DELTAS; i++) {
+ const int delta = lf->mode_deltas[i];
+ const int changed = delta != lf->last_mode_deltas[i];
+ aom_wb_write_bit(wb, changed);
+ if (changed) {
+ lf->last_mode_deltas[i] = delta;
+ aom_wb_write_inv_signed_literal(wb, delta, 6);
+ }
+ }
+ }
+ }
+}
+
+#if CONFIG_CDEF
+static void encode_cdef(const AV1_COMMON *cm, struct aom_write_bit_buffer *wb) {
+ int i;
+ aom_wb_write_literal(wb, cm->cdef_dering_damping - 5, 1);
+ aom_wb_write_literal(wb, cm->cdef_clpf_damping - 3, 2);
+ aom_wb_write_literal(wb, cm->cdef_bits, 2);
+ for (i = 0; i < cm->nb_cdef_strengths; i++) {
+ aom_wb_write_literal(wb, cm->cdef_strengths[i], CDEF_STRENGTH_BITS);
+ aom_wb_write_literal(wb, cm->cdef_uv_strengths[i], CDEF_STRENGTH_BITS);
+ }
+}
+#endif
+
+static void write_delta_q(struct aom_write_bit_buffer *wb, int delta_q) {
+ if (delta_q != 0) {
+ aom_wb_write_bit(wb, 1);
+ aom_wb_write_inv_signed_literal(wb, delta_q, 6);
+ } else {
+ aom_wb_write_bit(wb, 0);
+ }
+}
+
+static void encode_quantization(const AV1_COMMON *const cm,
+ struct aom_write_bit_buffer *wb) {
+ aom_wb_write_literal(wb, cm->base_qindex, QINDEX_BITS);
+ write_delta_q(wb, cm->y_dc_delta_q);
+ write_delta_q(wb, cm->uv_dc_delta_q);
+ write_delta_q(wb, cm->uv_ac_delta_q);
+#if CONFIG_AOM_QM
+ aom_wb_write_bit(wb, cm->using_qmatrix);
+ if (cm->using_qmatrix) {
+ aom_wb_write_literal(wb, cm->min_qmlevel, QM_LEVEL_BITS);
+ aom_wb_write_literal(wb, cm->max_qmlevel, QM_LEVEL_BITS);
+ }
+#endif
+}
+
+static void encode_segmentation(AV1_COMMON *cm, MACROBLOCKD *xd,
+ struct aom_write_bit_buffer *wb) {
+ int i, j;
+ const struct segmentation *seg = &cm->seg;
+
+ aom_wb_write_bit(wb, seg->enabled);
+ if (!seg->enabled) return;
+
+ // Segmentation map
+ if (!frame_is_intra_only(cm) && !cm->error_resilient_mode) {
+ aom_wb_write_bit(wb, seg->update_map);
+ } else {
+ assert(seg->update_map == 1);
+ }
+ if (seg->update_map) {
+ // Select the coding strategy (temporal or spatial)
+ av1_choose_segmap_coding_method(cm, xd);
+
+ // Write out the chosen coding method.
+ if (!frame_is_intra_only(cm) && !cm->error_resilient_mode) {
+ aom_wb_write_bit(wb, seg->temporal_update);
+ } else {
+ assert(seg->temporal_update == 0);
+ }
+ }
+
+ // Segmentation data
+ aom_wb_write_bit(wb, seg->update_data);
+ if (seg->update_data) {
+ aom_wb_write_bit(wb, seg->abs_delta);
+
+ for (i = 0; i < MAX_SEGMENTS; i++) {
+ for (j = 0; j < SEG_LVL_MAX; j++) {
+ const int active = segfeature_active(seg, i, j);
+ aom_wb_write_bit(wb, active);
+ if (active) {
+ const int data = get_segdata(seg, i, j);
+ const int data_max = av1_seg_feature_data_max(j);
+
+ if (av1_is_segfeature_signed(j)) {
+ encode_unsigned_max(wb, abs(data), data_max);
+ aom_wb_write_bit(wb, data < 0);
+ } else {
+ encode_unsigned_max(wb, data, data_max);
+ }
+ }
+ }
+ }
+ }
+}
+
+#if !CONFIG_EC_ADAPT
+static void update_seg_probs(AV1_COMP *cpi, aom_writer *w) {
+ AV1_COMMON *cm = &cpi->common;
+#if CONFIG_TILE_GROUPS
+ const int probwt = cm->num_tg;
+#else
+ const int probwt = 1;
+#endif
+
+ if (!cm->seg.enabled || !cm->seg.update_map) return;
+
+ if (cm->seg.temporal_update) {
+ int i;
+
+ for (i = 0; i < PREDICTION_PROBS; i++)
+ av1_cond_prob_diff_update(w, &cm->fc->seg.pred_probs[i],
+ cm->counts.seg.pred[i], probwt);
+
+ prob_diff_update(av1_segment_tree, cm->fc->seg.tree_probs,
+ cm->counts.seg.tree_mispred, MAX_SEGMENTS, probwt, w);
+ } else {
+ prob_diff_update(av1_segment_tree, cm->fc->seg.tree_probs,
+ cm->counts.seg.tree_total, MAX_SEGMENTS, probwt, w);
+ }
+}
+#endif
+
+static void write_tx_mode(AV1_COMMON *cm, MACROBLOCKD *xd, TX_MODE *mode,
+ struct aom_write_bit_buffer *wb) {
+ int i, all_lossless = 1;
+
+ if (cm->seg.enabled) {
+ for (i = 0; i < MAX_SEGMENTS; ++i) {
+ if (!xd->lossless[i]) {
+ all_lossless = 0;
+ break;
+ }
+ }
+ } else {
+ all_lossless = xd->lossless[0];
+ }
+ if (all_lossless) {
+ *mode = ONLY_4X4;
+ return;
+ }
+#if CONFIG_TX64X64
+ aom_wb_write_bit(wb, *mode == TX_MODE_SELECT);
+ if (*mode != TX_MODE_SELECT) {
+ aom_wb_write_literal(wb, AOMMIN(*mode, ALLOW_32X32), 2);
+ if (*mode >= ALLOW_32X32) aom_wb_write_bit(wb, *mode == ALLOW_64X64);
+ }
+#else
+ aom_wb_write_bit(wb, *mode == TX_MODE_SELECT);
+ if (*mode != TX_MODE_SELECT) aom_wb_write_literal(wb, *mode, 2);
+#endif // CONFIG_TX64X64
+}
+
+#if !CONFIG_EC_ADAPT
+static void update_txfm_probs(AV1_COMMON *cm, aom_writer *w,
+ FRAME_COUNTS *counts) {
+#if CONFIG_TILE_GROUPS
+ const int probwt = cm->num_tg;
+#else
+ const int probwt = 1;
+#endif
+ if (cm->tx_mode == TX_MODE_SELECT) {
+ int i, j;
+ for (i = 0; i < MAX_TX_DEPTH; ++i)
+ for (j = 0; j < TX_SIZE_CONTEXTS; ++j)
+ prob_diff_update(av1_tx_size_tree[i], cm->fc->tx_size_probs[i][j],
+ counts->tx_size[i][j], i + 2, probwt, w);
+ }
+}
+#endif
+
+static void write_frame_interp_filter(InterpFilter filter,
+ struct aom_write_bit_buffer *wb) {
+ aom_wb_write_bit(wb, filter == SWITCHABLE);
+ if (filter != SWITCHABLE)
+ aom_wb_write_literal(wb, filter, LOG_SWITCHABLE_FILTERS);
+}
+
+static void fix_interp_filter(AV1_COMMON *cm, FRAME_COUNTS *counts) {
+ if (cm->interp_filter == SWITCHABLE) {
+ // Check to see if only one of the filters is actually used
+ int count[SWITCHABLE_FILTERS];
+ int i, j, c = 0;
+ for (i = 0; i < SWITCHABLE_FILTERS; ++i) {
+ count[i] = 0;
+ for (j = 0; j < SWITCHABLE_FILTER_CONTEXTS; ++j)
+ count[i] += counts->switchable_interp[j][i];
+ c += (count[i] > 0);
+ }
+ if (c == 1) {
+ // Only one filter is used. So set the filter at frame level
+ for (i = 0; i < SWITCHABLE_FILTERS; ++i) {
+ if (count[i]) {
+#if CONFIG_MOTION_VAR && (CONFIG_WARPED_MOTION || CONFIG_GLOBAL_MOTION)
+#if CONFIG_WARPED_MOTION
+ if (i == EIGHTTAP_REGULAR || WARP_WM_NEIGHBORS_WITH_OBMC)
+#else
+ if (i == EIGHTTAP_REGULAR || WARP_GM_NEIGHBORS_WITH_OBMC)
+#endif // CONFIG_WARPED_MOTION
+#endif // CONFIG_MOTION_VAR && (CONFIG_WARPED_MOTION || CONFIG_GLOBAL_MOTION)
+ cm->interp_filter = i;
+ break;
+ }
+ }
+ }
+ }
+}
+
+static void write_tile_info(const AV1_COMMON *const cm,
+ struct aom_write_bit_buffer *wb) {
+#if CONFIG_EXT_TILE
+ const int tile_width =
+ ALIGN_POWER_OF_TWO(cm->tile_width, cm->mib_size_log2) >>
+ cm->mib_size_log2;
+ const int tile_height =
+ ALIGN_POWER_OF_TWO(cm->tile_height, cm->mib_size_log2) >>
+ cm->mib_size_log2;
+
+ assert(tile_width > 0);
+ assert(tile_height > 0);
+
+ aom_wb_write_literal(wb, cm->tile_encoding_mode, 1);
+
+// Write the tile sizes
+#if CONFIG_EXT_PARTITION
+ if (cm->sb_size == BLOCK_128X128) {
+ assert(tile_width <= 32);
+ assert(tile_height <= 32);
+ aom_wb_write_literal(wb, tile_width - 1, 5);
+ aom_wb_write_literal(wb, tile_height - 1, 5);
+ } else
+#endif // CONFIG_EXT_PARTITION
+ {
+ assert(tile_width <= 64);
+ assert(tile_height <= 64);
+ aom_wb_write_literal(wb, tile_width - 1, 6);
+ aom_wb_write_literal(wb, tile_height - 1, 6);
+ }
+#else
+ int min_log2_tile_cols, max_log2_tile_cols, ones;
+ av1_get_tile_n_bits(cm->mi_cols, &min_log2_tile_cols, &max_log2_tile_cols);
+
+ // columns
+ ones = cm->log2_tile_cols - min_log2_tile_cols;
+ while (ones--) aom_wb_write_bit(wb, 1);
+
+ if (cm->log2_tile_cols < max_log2_tile_cols) aom_wb_write_bit(wb, 0);
+
+ // rows
+ aom_wb_write_bit(wb, cm->log2_tile_rows != 0);
+ if (cm->log2_tile_rows != 0) aom_wb_write_bit(wb, cm->log2_tile_rows != 1);
+#endif // CONFIG_EXT_TILE
+
+#if CONFIG_DEPENDENT_HORZTILES
+ if (cm->log2_tile_rows != 0) aom_wb_write_bit(wb, cm->dependent_horz_tiles);
+#endif
+
+#if CONFIG_LOOPFILTERING_ACROSS_TILES
+ aom_wb_write_bit(wb, cm->loop_filter_across_tiles_enabled);
+#endif // CONFIG_LOOPFILTERING_ACROSS_TILES
+}
+
+static int get_refresh_mask(AV1_COMP *cpi) {
+ int refresh_mask = 0;
+
+#if CONFIG_EXT_REFS
+ // NOTE(zoeliu): When LAST_FRAME is to get refreshed, the decoder will be
+ // notified to get LAST3_FRAME refreshed and then the virtual indexes for all
+ // the 3 LAST reference frames will be updated accordingly, i.e.:
+ // (1) The original virtual index for LAST3_FRAME will become the new virtual
+ // index for LAST_FRAME; and
+ // (2) The original virtual indexes for LAST_FRAME and LAST2_FRAME will be
+ // shifted and become the new virtual indexes for LAST2_FRAME and
+ // LAST3_FRAME.
+ refresh_mask |=
+ (cpi->refresh_last_frame << cpi->lst_fb_idxes[LAST_REF_FRAMES - 1]);
+ if (cpi->rc.is_bwd_ref_frame && cpi->num_extra_arfs) {
+ // We have swapped the virtual indices
+ refresh_mask |= (cpi->refresh_bwd_ref_frame << cpi->arf_map[0]);
+ } else {
+ refresh_mask |= (cpi->refresh_bwd_ref_frame << cpi->bwd_fb_idx);
+ }
+#else
+ refresh_mask |= (cpi->refresh_last_frame << cpi->lst_fb_idx);
+#endif // CONFIG_EXT_REFS
+
+ if (av1_preserve_existing_gf(cpi)) {
+ // We have decided to preserve the previously existing golden frame as our
+ // new ARF frame. However, in the short term we leave it in the GF slot and,
+ // if we're updating the GF with the current decoded frame, we save it
+ // instead to the ARF slot.
+ // Later, in the function av1_encoder.c:av1_update_reference_frames() we
+ // will swap gld_fb_idx and alt_fb_idx to achieve our objective. We do it
+ // there so that it can be done outside of the recode loop.
+ // Note: This is highly specific to the use of ARF as a forward reference,
+ // and this needs to be generalized as other uses are implemented
+ // (like RTC/temporal scalability).
+ return refresh_mask | (cpi->refresh_golden_frame << cpi->alt_fb_idx);
+ } else {
+#if CONFIG_EXT_REFS
+ const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
+ int arf_idx = cpi->arf_map[gf_group->arf_update_idx[gf_group->index]];
+#else
+ int arf_idx = cpi->alt_fb_idx;
+ if ((cpi->oxcf.pass == 2) && cpi->multi_arf_allowed) {
+ const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
+ arf_idx = gf_group->arf_update_idx[gf_group->index];
+ }
+#endif // CONFIG_EXT_REFS
+ return refresh_mask | (cpi->refresh_golden_frame << cpi->gld_fb_idx) |
+ (cpi->refresh_alt_ref_frame << arf_idx);
+ }
+}
+
+#if CONFIG_EXT_TILE
+static INLINE int find_identical_tile(
+ const int tile_row, const int tile_col,
+ TileBufferEnc (*const tile_buffers)[1024]) {
+ const MV32 candidate_offset[1] = { { 1, 0 } };
+ const uint8_t *const cur_tile_data =
+ tile_buffers[tile_row][tile_col].data + 4;
+ const size_t cur_tile_size = tile_buffers[tile_row][tile_col].size;
+
+ int i;
+
+ if (tile_row == 0) return 0;
+
+ // (TODO: yunqingwang) For now, only above tile is checked and used.
+ // More candidates such as left tile can be added later.
+ for (i = 0; i < 1; i++) {
+ int row_offset = candidate_offset[0].row;
+ int col_offset = candidate_offset[0].col;
+ int row = tile_row - row_offset;
+ int col = tile_col - col_offset;
+ uint8_t tile_hdr;
+ const uint8_t *tile_data;
+ TileBufferEnc *candidate;
+
+ if (row < 0 || col < 0) continue;
+
+ tile_hdr = *(tile_buffers[row][col].data);
+
+ // Read out tcm bit
+ if ((tile_hdr >> 7) == 1) {
+ // The candidate is a copy tile itself
+ row_offset += tile_hdr & 0x7f;
+ row = tile_row - row_offset;
+ }
+
+ candidate = &tile_buffers[row][col];
+
+ if (row_offset >= 128 || candidate->size != cur_tile_size) continue;
+
+ tile_data = candidate->data + 4;
+
+ if (memcmp(tile_data, cur_tile_data, cur_tile_size) != 0) continue;
+
+ // Identical tile found
+ assert(row_offset > 0);
+ return row_offset;
+ }
+
+ // No identical tile found
+ return 0;
+}
+#endif // CONFIG_EXT_TILE
+
+#if CONFIG_TILE_GROUPS
+static uint32_t write_tiles(AV1_COMP *const cpi,
+ struct aom_write_bit_buffer *wb,
+ unsigned int *max_tile_size,
+ unsigned int *max_tile_col_size) {
+#else
+static uint32_t write_tiles(AV1_COMP *const cpi, uint8_t *const dst,
+ unsigned int *max_tile_size,
+ unsigned int *max_tile_col_size) {
+#endif
+ const AV1_COMMON *const cm = &cpi->common;
+#if CONFIG_ANS
+ struct BufAnsCoder *buf_ans = &cpi->buf_ans;
+#else
+ aom_writer mode_bc;
+#endif // CONFIG_ANS
+ int tile_row, tile_col;
+ TOKENEXTRA *(*const tok_buffers)[MAX_TILE_COLS] = cpi->tile_tok;
+ TileBufferEnc(*const tile_buffers)[MAX_TILE_COLS] = cpi->tile_buffers;
+ uint32_t total_size = 0;
+ const int tile_cols = cm->tile_cols;
+ const int tile_rows = cm->tile_rows;
+ unsigned int tile_size = 0;
+#if CONFIG_TILE_GROUPS
+ const int n_log2_tiles = cm->log2_tile_rows + cm->log2_tile_cols;
+ const int have_tiles = n_log2_tiles > 0;
+ uint32_t comp_hdr_size;
+ // Fixed size tile groups for the moment
+ const int num_tg_hdrs = cm->num_tg;
+ const int tg_size = (tile_rows * tile_cols + num_tg_hdrs - 1) / num_tg_hdrs;
+ int tile_count = 0;
+ int tg_count = 1;
+ int tile_size_bytes = 4;
+ int tile_col_size_bytes;
+ uint32_t uncompressed_hdr_size = 0;
+ uint8_t *dst = NULL;
+ struct aom_write_bit_buffer comp_hdr_len_wb;
+ struct aom_write_bit_buffer tg_params_wb;
+ struct aom_write_bit_buffer tile_size_bytes_wb;
+ uint32_t saved_offset;
+ int mtu_size = cpi->oxcf.mtu;
+ int curr_tg_data_size = 0;
+ int hdr_size;
+#endif
+#if CONFIG_EXT_TILE
+ const int have_tiles = tile_cols * tile_rows > 1;
+#endif // CONFIG_EXT_TILE
+
+ *max_tile_size = 0;
+ *max_tile_col_size = 0;
+
+// All tile size fields are output on 4 bytes. A call to remux_tiles will
+// later compact the data if smaller headers are adequate.
+
+#if CONFIG_EXT_TILE
+ for (tile_col = 0; tile_col < tile_cols; tile_col++) {
+ TileInfo tile_info;
+ const int is_last_col = (tile_col == tile_cols - 1);
+ const uint32_t col_offset = total_size;
+
+ av1_tile_set_col(&tile_info, cm, tile_col);
+
+ // The last column does not have a column header
+ if (!is_last_col) total_size += 4;
+
+ for (tile_row = 0; tile_row < tile_rows; tile_row++) {
+ TileBufferEnc *const buf = &tile_buffers[tile_row][tile_col];
+ const TOKENEXTRA *tok = tok_buffers[tile_row][tile_col];
+ const TOKENEXTRA *tok_end = tok + cpi->tok_count[tile_row][tile_col];
+ const int data_offset = have_tiles ? 4 : 0;
+#if CONFIG_EC_ADAPT
+ const int tile_idx = tile_row * tile_cols + tile_col;
+ TileDataEnc *this_tile = &cpi->tile_data[tile_idx];
+#endif
+ av1_tile_set_row(&tile_info, cm, tile_row);
+
+ buf->data = dst + total_size;
+
+ // Is CONFIG_EXT_TILE = 1, every tile in the row has a header,
+ // even for the last one, unless no tiling is used at all.
+ total_size += data_offset;
+#if CONFIG_EC_ADAPT
+ // Initialise tile context from the frame context
+ this_tile->tctx = *cm->fc;
+ cpi->td.mb.e_mbd.tile_ctx = &this_tile->tctx;
+#endif
+#if CONFIG_PVQ
+ cpi->td.mb.pvq_q = &this_tile->pvq_q;
+ cpi->td.mb.daala_enc.state.adapt = &this_tile->tctx.pvq_context;
+#endif // CONFIG_PVQ
+#if !CONFIG_ANS
+ aom_start_encode(&mode_bc, buf->data + data_offset);
+ write_modes(cpi, &tile_info, &mode_bc, &tok, tok_end);
+ assert(tok == tok_end);
+ aom_stop_encode(&mode_bc);
+ tile_size = mode_bc.pos;
+#else
+ buf_ans_write_init(buf_ans, buf->data + data_offset);
+ write_modes(cpi, &tile_info, buf_ans, &tok, tok_end);
+ assert(tok == tok_end);
+ aom_buf_ans_flush(buf_ans);
+ tile_size = buf_ans_write_end(buf_ans);
+#endif // !CONFIG_ANS
+#if CONFIG_PVQ
+ cpi->td.mb.pvq_q = NULL;
+#endif
+ buf->size = tile_size;
+
+ // Record the maximum tile size we see, so we can compact headers later.
+ *max_tile_size = AOMMAX(*max_tile_size, tile_size);
+
+ if (have_tiles) {
+ // tile header: size of this tile, or copy offset
+ uint32_t tile_header = tile_size;
+
+ // If the tile_encoding_mode is 1 (i.e. TILE_VR), check if this tile is
+ // a copy tile.
+ // Very low chances to have copy tiles on the key frames, so don't
+ // search on key frames to reduce unnecessary search.
+ if (cm->frame_type != KEY_FRAME && cm->tile_encoding_mode) {
+ const int idendical_tile_offset =
+ find_identical_tile(tile_row, tile_col, tile_buffers);
+
+ if (idendical_tile_offset > 0) {
+ tile_size = 0;
+ tile_header = idendical_tile_offset | 0x80;
+ tile_header <<= 24;
+ }
+ }
+
+ mem_put_le32(buf->data, tile_header);
+ }
+
+ total_size += tile_size;
+ }
+
+ if (!is_last_col) {
+ uint32_t col_size = total_size - col_offset - 4;
+ mem_put_le32(dst + col_offset, col_size);
+
+ // If it is not final packing, record the maximum tile column size we see,
+ // otherwise, check if the tile size is out of the range.
+ *max_tile_col_size = AOMMAX(*max_tile_col_size, col_size);
+ }
+ }
+#else
+#if CONFIG_TILE_GROUPS
+ write_uncompressed_header(cpi, wb);
+
+#if CONFIG_EXT_REFS
+ if (cm->show_existing_frame) {
+ total_size = aom_wb_bytes_written(wb);
+ return (uint32_t)total_size;
+ }
+#endif // CONFIG_EXT_REFS
+
+ // Write the tile length code
+ tile_size_bytes_wb = *wb;
+ aom_wb_write_literal(wb, 3, 2);
+
+ /* Write a placeholder for the number of tiles in each tile group */
+ tg_params_wb = *wb;
+ saved_offset = wb->bit_offset;
+ if (have_tiles) {
+ aom_wb_overwrite_literal(wb, 3, n_log2_tiles);
+ aom_wb_overwrite_literal(wb, (1 << n_log2_tiles) - 1, n_log2_tiles);
+ }
+
+ /* Write a placeholder for the compressed header length */
+ comp_hdr_len_wb = *wb;
+ aom_wb_write_literal(wb, 0, 16);
+
+ uncompressed_hdr_size = aom_wb_bytes_written(wb);
+ dst = wb->bit_buffer;
+ comp_hdr_size = write_compressed_header(cpi, dst + uncompressed_hdr_size);
+ aom_wb_overwrite_literal(&comp_hdr_len_wb, (int)(comp_hdr_size), 16);
+ hdr_size = uncompressed_hdr_size + comp_hdr_size;
+ total_size += hdr_size;
+#endif
+
+ for (tile_row = 0; tile_row < tile_rows; tile_row++) {
+ TileInfo tile_info;
+ const int is_last_row = (tile_row == tile_rows - 1);
+ av1_tile_set_row(&tile_info, cm, tile_row);
+
+ for (tile_col = 0; tile_col < tile_cols; tile_col++) {
+ const int tile_idx = tile_row * tile_cols + tile_col;
+ TileBufferEnc *const buf = &tile_buffers[tile_row][tile_col];
+#if CONFIG_PVQ || CONFIG_EC_ADAPT
+ TileDataEnc *this_tile = &cpi->tile_data[tile_idx];
+#endif
+ const TOKENEXTRA *tok = tok_buffers[tile_row][tile_col];
+ const TOKENEXTRA *tok_end = tok + cpi->tok_count[tile_row][tile_col];
+ const int is_last_col = (tile_col == tile_cols - 1);
+ const int is_last_tile = is_last_col && is_last_row;
+#if !CONFIG_TILE_GROUPS
+ (void)tile_idx;
+#else
+
+ if ((!mtu_size && tile_count > tg_size) ||
+ (mtu_size && tile_count && curr_tg_data_size >= mtu_size)) {
+ // New tile group
+ tg_count++;
+ // We've exceeded the packet size
+ if (tile_count > 1) {
+ /* The last tile exceeded the packet size. The tile group size
+ should therefore be tile_count-1.
+ Move the last tile and insert headers before it
+ */
+ uint32_t old_total_size = total_size - tile_size - 4;
+ memmove(dst + old_total_size + hdr_size, dst + old_total_size,
+ (tile_size + 4) * sizeof(uint8_t));
+ // Copy uncompressed header
+ memmove(dst + old_total_size, dst,
+ uncompressed_hdr_size * sizeof(uint8_t));
+ // Write the number of tiles in the group into the last uncompressed
+ // header before the one we've just inserted
+ aom_wb_overwrite_literal(&tg_params_wb, tile_idx - tile_count,
+ n_log2_tiles);
+ aom_wb_overwrite_literal(&tg_params_wb, tile_count - 2, n_log2_tiles);
+ // Update the pointer to the last TG params
+ tg_params_wb.bit_offset = saved_offset + 8 * old_total_size;
+ // Copy compressed header
+ memmove(dst + old_total_size + uncompressed_hdr_size,
+ dst + uncompressed_hdr_size, comp_hdr_size * sizeof(uint8_t));
+ total_size += hdr_size;
+ tile_count = 1;
+ curr_tg_data_size = hdr_size + tile_size + 4;
+
+ } else {
+ // We exceeded the packet size in just one tile
+ // Copy uncompressed header
+ memmove(dst + total_size, dst,
+ uncompressed_hdr_size * sizeof(uint8_t));
+ // Write the number of tiles in the group into the last uncompressed
+ // header
+ aom_wb_overwrite_literal(&tg_params_wb, tile_idx - tile_count,
+ n_log2_tiles);
+ aom_wb_overwrite_literal(&tg_params_wb, tile_count - 1, n_log2_tiles);
+ tg_params_wb.bit_offset = saved_offset + 8 * total_size;
+ // Copy compressed header
+ memmove(dst + total_size + uncompressed_hdr_size,
+ dst + uncompressed_hdr_size, comp_hdr_size * sizeof(uint8_t));
+ total_size += hdr_size;
+ tile_count = 0;
+ curr_tg_data_size = hdr_size;
+ }
+ }
+ tile_count++;
+#endif
+ av1_tile_set_col(&tile_info, cm, tile_col);
+
+#if CONFIG_DEPENDENT_HORZTILES && CONFIG_TILE_GROUPS
+ av1_tile_set_tg_boundary(&tile_info, cm, tile_row, tile_col);
+#endif
+ buf->data = dst + total_size;
+
+ // The last tile does not have a header.
+ if (!is_last_tile) total_size += 4;
+
+#if CONFIG_EC_ADAPT
+ // Initialise tile context from the frame context
+ this_tile->tctx = *cm->fc;
+ cpi->td.mb.e_mbd.tile_ctx = &this_tile->tctx;
+#endif
+#if CONFIG_PVQ
+ cpi->td.mb.pvq_q = &this_tile->pvq_q;
+ cpi->td.mb.daala_enc.state.adapt = &this_tile->tctx.pvq_context;
+#endif // CONFIG_PVQ
+#if CONFIG_ANS
+ buf_ans_write_init(buf_ans, dst + total_size);
+ write_modes(cpi, &tile_info, buf_ans, &tok, tok_end);
+ assert(tok == tok_end);
+ aom_buf_ans_flush(buf_ans);
+ tile_size = buf_ans_write_end(buf_ans);
+#else
+ aom_start_encode(&mode_bc, dst + total_size);
+ write_modes(cpi, &tile_info, &mode_bc, &tok, tok_end);
+#if !CONFIG_LV_MAP
+ assert(tok == tok_end);
+#endif // !CONFIG_LV_MAP
+ aom_stop_encode(&mode_bc);
+ tile_size = mode_bc.pos;
+#endif // CONFIG_ANS
+#if CONFIG_PVQ
+ cpi->td.mb.pvq_q = NULL;
+#endif
+
+ assert(tile_size > 0);
+
+#if CONFIG_TILE_GROUPS
+ curr_tg_data_size += tile_size + 4;
+#endif
+ buf->size = tile_size;
+
+ if (!is_last_tile) {
+ *max_tile_size = AOMMAX(*max_tile_size, tile_size);
+ // size of this tile
+ mem_put_le32(buf->data, tile_size);
+ }
+
+ total_size += tile_size;
+ }
+ }
+#if CONFIG_TILE_GROUPS
+ // Write the final tile group size
+ if (n_log2_tiles) {
+ aom_wb_overwrite_literal(&tg_params_wb, (1 << n_log2_tiles) - tile_count,
+ n_log2_tiles);
+ aom_wb_overwrite_literal(&tg_params_wb, tile_count - 1, n_log2_tiles);
+ }
+ // Remux if possible. TODO (Thomas Davies): do this for more than one tile
+ // group
+ if (have_tiles && tg_count == 1) {
+ int data_size = total_size - (uncompressed_hdr_size + comp_hdr_size);
+ data_size = remux_tiles(cm, dst + uncompressed_hdr_size + comp_hdr_size,
+ data_size, *max_tile_size, *max_tile_col_size,
+ &tile_size_bytes, &tile_col_size_bytes);
+ total_size = data_size + uncompressed_hdr_size + comp_hdr_size;
+ aom_wb_overwrite_literal(&tile_size_bytes_wb, tile_size_bytes - 1, 2);
+ }
+
+#endif
+#endif // CONFIG_EXT_TILE
+ return (uint32_t)total_size;
+}
+
+static void write_render_size(const AV1_COMMON *cm,
+ struct aom_write_bit_buffer *wb) {
+ const int scaling_active =
+ cm->width != cm->render_width || cm->height != cm->render_height;
+ aom_wb_write_bit(wb, scaling_active);
+ if (scaling_active) {
+ aom_wb_write_literal(wb, cm->render_width - 1, 16);
+ aom_wb_write_literal(wb, cm->render_height - 1, 16);
+ }
+}
+
+#if CONFIG_FRAME_SUPERRES
+static void write_superres_scale(const AV1_COMMON *const cm,
+ struct aom_write_bit_buffer *wb) {
+ // This scaling and frame superres are probably incompatible
+ assert(cm->width == cm->render_width && cm->height == cm->render_height);
+
+ // First bit is whether to to scale or not
+ if (cm->superres_scale_numerator == SUPERRES_SCALE_DENOMINATOR) {
+ aom_wb_write_bit(wb, 0); // no scaling
+ } else {
+ aom_wb_write_bit(wb, 1); // scaling, write scale factor
+ // TODO(afergs): write factor to the compressed header instead
+ aom_wb_write_literal(
+ wb, cm->superres_scale_numerator - SUPERRES_SCALE_NUMERATOR_MIN,
+ SUPERRES_SCALE_BITS);
+ }
+}
+#endif // CONFIG_FRAME_SUPERRES
+
+static void write_frame_size(const AV1_COMMON *cm,
+ struct aom_write_bit_buffer *wb) {
+#if CONFIG_FRAME_SUPERRES
+ // If SUPERRES scaling is happening, write the full resolution instead of the
+ // downscaled resolution. The decoder will reduce this resolution itself.
+ if (cm->superres_scale_numerator != SUPERRES_SCALE_DENOMINATOR) {
+ aom_wb_write_literal(wb, cm->superres_width - 1, 16);
+ aom_wb_write_literal(wb, cm->superres_height - 1, 16);
+ } else {
+#endif // CONFIG_FRAME_SUPERRES
+ aom_wb_write_literal(wb, cm->width - 1, 16);
+ aom_wb_write_literal(wb, cm->height - 1, 16);
+#if CONFIG_FRAME_SUPERRES
+ }
+#endif // CONFIG_FRAME_SUPERRES
+
+ // TODO(afergs): Also write something different to render_size?
+ // When superres scales, they'll be almost guaranteed to be
+ // different on the other side.
+ write_render_size(cm, wb);
+#if CONFIG_FRAME_SUPERRES
+ write_superres_scale(cm, wb);
+#endif // CONFIG_FRAME_SUPERRES
+}
+
+static void write_frame_size_with_refs(AV1_COMP *cpi,
+ struct aom_write_bit_buffer *wb) {
+ AV1_COMMON *const cm = &cpi->common;
+ int found = 0;
+
+ MV_REFERENCE_FRAME ref_frame;
+ for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
+ YV12_BUFFER_CONFIG *cfg = get_ref_frame_buffer(cpi, ref_frame);
+
+ if (cfg != NULL) {
+ found =
+ cm->width == cfg->y_crop_width && cm->height == cfg->y_crop_height;
+ found &= cm->render_width == cfg->render_width &&
+ cm->render_height == cfg->render_height;
+ }
+ aom_wb_write_bit(wb, found);
+ if (found) {
+ break;
+ }
+ }
+
+ if (!found) {
+ write_frame_size(cm, wb);
+ }
+}
+
+static void write_sync_code(struct aom_write_bit_buffer *wb) {
+ aom_wb_write_literal(wb, AV1_SYNC_CODE_0, 8);
+ aom_wb_write_literal(wb, AV1_SYNC_CODE_1, 8);
+ aom_wb_write_literal(wb, AV1_SYNC_CODE_2, 8);
+}
+
+static void write_profile(BITSTREAM_PROFILE profile,
+ struct aom_write_bit_buffer *wb) {
+ switch (profile) {
+ case PROFILE_0: aom_wb_write_literal(wb, 0, 2); break;
+ case PROFILE_1: aom_wb_write_literal(wb, 2, 2); break;
+ case PROFILE_2: aom_wb_write_literal(wb, 1, 2); break;
+ case PROFILE_3: aom_wb_write_literal(wb, 6, 3); break;
+ default: assert(0);
+ }
+}
+
+static void write_bitdepth_colorspace_sampling(
+ AV1_COMMON *const cm, struct aom_write_bit_buffer *wb) {
+ if (cm->profile >= PROFILE_2) {
+ assert(cm->bit_depth > AOM_BITS_8);
+ aom_wb_write_bit(wb, cm->bit_depth == AOM_BITS_10 ? 0 : 1);
+ }
+ aom_wb_write_literal(wb, cm->color_space, 3);
+ if (cm->color_space != AOM_CS_SRGB) {
+ // 0: [16, 235] (i.e. xvYCC), 1: [0, 255]
+ aom_wb_write_bit(wb, cm->color_range);
+ if (cm->profile == PROFILE_1 || cm->profile == PROFILE_3) {
+ assert(cm->subsampling_x != 1 || cm->subsampling_y != 1);
+ aom_wb_write_bit(wb, cm->subsampling_x);
+ aom_wb_write_bit(wb, cm->subsampling_y);
+ aom_wb_write_bit(wb, 0); // unused
+ } else {
+ assert(cm->subsampling_x == 1 && cm->subsampling_y == 1);
+ }
+ } else {
+ assert(cm->profile == PROFILE_1 || cm->profile == PROFILE_3);
+ aom_wb_write_bit(wb, 0); // unused
+ }
+}
+
+#if CONFIG_REFERENCE_BUFFER
+void write_sequence_header(SequenceHeader *seq_params) {
+ /* Placeholder for actually writing to the bitstream */
+ seq_params->frame_id_numbers_present_flag = FRAME_ID_NUMBERS_PRESENT_FLAG;
+ seq_params->frame_id_length_minus7 = FRAME_ID_LENGTH_MINUS7;
+ seq_params->delta_frame_id_length_minus2 = DELTA_FRAME_ID_LENGTH_MINUS2;
+}
+#endif
+
+static void write_uncompressed_header(AV1_COMP *cpi,
+ struct aom_write_bit_buffer *wb) {
+ AV1_COMMON *const cm = &cpi->common;
+ MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
+
+#if CONFIG_REFERENCE_BUFFER
+ /* TODO: Move outside frame loop or inside key-frame branch */
+ write_sequence_header(&cpi->seq_params);
+#endif
+
+ aom_wb_write_literal(wb, AOM_FRAME_MARKER, 2);
+
+ write_profile(cm->profile, wb);
+
+#if CONFIG_EXT_REFS
+ // NOTE: By default all coded frames to be used as a reference
+ cm->is_reference_frame = 1;
+
+ if (cm->show_existing_frame) {
+ RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
+ const int frame_to_show = cm->ref_frame_map[cpi->existing_fb_idx_to_show];
+
+ if (frame_to_show < 0 || frame_bufs[frame_to_show].ref_count < 1) {
+ aom_internal_error(&cm->error, AOM_CODEC_UNSUP_BITSTREAM,
+ "Buffer %d does not contain a reconstructed frame",
+ frame_to_show);
+ }
+ ref_cnt_fb(frame_bufs, &cm->new_fb_idx, frame_to_show);
+
+ aom_wb_write_bit(wb, 1); // show_existing_frame
+ aom_wb_write_literal(wb, cpi->existing_fb_idx_to_show, 3);
+
+#if CONFIG_REFERENCE_BUFFER
+ if (cpi->seq_params.frame_id_numbers_present_flag) {
+ int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
+ int display_frame_id = cm->ref_frame_id[cpi->existing_fb_idx_to_show];
+ aom_wb_write_literal(wb, display_frame_id, frame_id_len);
+ /* Add a zero byte to prevent emulation of superframe marker */
+ /* Same logic as when when terminating the entropy coder */
+ /* Consider to have this logic only one place */
+ aom_wb_write_literal(wb, 0, 8);
+ }
+#endif
+
+ return;
+ } else {
+#endif // CONFIG_EXT_REFS
+ aom_wb_write_bit(wb, 0); // show_existing_frame
+#if CONFIG_EXT_REFS
+ }
+#endif // CONFIG_EXT_REFS
+
+ aom_wb_write_bit(wb, cm->frame_type);
+ aom_wb_write_bit(wb, cm->show_frame);
+ aom_wb_write_bit(wb, cm->error_resilient_mode);
+
+#if CONFIG_REFERENCE_BUFFER
+ cm->invalid_delta_frame_id_minus1 = 0;
+ if (cpi->seq_params.frame_id_numbers_present_flag) {
+ int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
+ aom_wb_write_literal(wb, cm->current_frame_id, frame_id_len);
+ }
+#endif
+
+#if CONFIG_FRAME_SUPERRES
+ // TODO(afergs): Remove - this is just to stop superres from breaking
+ cm->superres_scale_numerator = SUPERRES_SCALE_DENOMINATOR;
+#endif // CONFIG_FRAME_SUPERRES
+
+ if (cm->frame_type == KEY_FRAME) {
+ write_sync_code(wb);
+ write_bitdepth_colorspace_sampling(cm, wb);
+ write_frame_size(cm, wb);
+#if CONFIG_ANS && ANS_MAX_SYMBOLS
+ assert(cpi->common.ans_window_size_log2 >= 8);
+ assert(cpi->common.ans_window_size_log2 < 24);
+ aom_wb_write_literal(wb, cpi->common.ans_window_size_log2 - 8, 4);
+#endif // CONFIG_ANS && ANS_MAX_SYMBOLS
+#if CONFIG_PALETTE
+ aom_wb_write_bit(wb, cm->allow_screen_content_tools);
+#endif // CONFIG_PALETTE
+ } else {
+ if (!cm->show_frame) aom_wb_write_bit(wb, cm->intra_only);
+#if CONFIG_PALETTE
+ if (cm->intra_only) aom_wb_write_bit(wb, cm->allow_screen_content_tools);
+#endif // CONFIG_PALETTE
+ if (!cm->error_resilient_mode) {
+ if (cm->intra_only) {
+ aom_wb_write_bit(wb,
+ cm->reset_frame_context == RESET_FRAME_CONTEXT_ALL);
+ } else {
+ aom_wb_write_bit(wb,
+ cm->reset_frame_context != RESET_FRAME_CONTEXT_NONE);
+ if (cm->reset_frame_context != RESET_FRAME_CONTEXT_NONE)
+ aom_wb_write_bit(wb,
+ cm->reset_frame_context == RESET_FRAME_CONTEXT_ALL);
+ }
+ }
+
+#if CONFIG_EXT_REFS
+ cpi->refresh_frame_mask = get_refresh_mask(cpi);
+#endif // CONFIG_EXT_REFS
+
+ if (cm->intra_only) {
+ write_sync_code(wb);
+ write_bitdepth_colorspace_sampling(cm, wb);
+
+#if CONFIG_EXT_REFS
+ aom_wb_write_literal(wb, cpi->refresh_frame_mask, REF_FRAMES);
+#else
+ aom_wb_write_literal(wb, get_refresh_mask(cpi), REF_FRAMES);
+#endif // CONFIG_EXT_REFS
+ write_frame_size(cm, wb);
+
+#if CONFIG_ANS && ANS_MAX_SYMBOLS
+ assert(cpi->common.ans_window_size_log2 >= 8);
+ assert(cpi->common.ans_window_size_log2 < 24);
+ aom_wb_write_literal(wb, cpi->common.ans_window_size_log2 - 8, 4);
+#endif // CONFIG_ANS && ANS_MAX_SYMBOLS
+ } else {
+ MV_REFERENCE_FRAME ref_frame;
+
+#if CONFIG_EXT_REFS
+ aom_wb_write_literal(wb, cpi->refresh_frame_mask, REF_FRAMES);
+#else
+ aom_wb_write_literal(wb, get_refresh_mask(cpi), REF_FRAMES);
+#endif // CONFIG_EXT_REFS
+
+#if CONFIG_EXT_REFS
+ if (!cpi->refresh_frame_mask) {
+ // NOTE: "cpi->refresh_frame_mask == 0" indicates that the coded frame
+ // will not be used as a reference
+ cm->is_reference_frame = 0;
+ }
+#endif // CONFIG_EXT_REFS
+
+ for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
+ assert(get_ref_frame_map_idx(cpi, ref_frame) != INVALID_IDX);
+ aom_wb_write_literal(wb, get_ref_frame_map_idx(cpi, ref_frame),
+ REF_FRAMES_LOG2);
+ aom_wb_write_bit(wb, cm->ref_frame_sign_bias[ref_frame]);
+#if CONFIG_REFERENCE_BUFFER
+ if (cpi->seq_params.frame_id_numbers_present_flag) {
+ int i = get_ref_frame_map_idx(cpi, ref_frame);
+ int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
+ int diff_len = cpi->seq_params.delta_frame_id_length_minus2 + 2;
+ int delta_frame_id_minus1 =
+ ((cm->current_frame_id - cm->ref_frame_id[i] +
+ (1 << frame_id_len)) %
+ (1 << frame_id_len)) -
+ 1;
+ if (delta_frame_id_minus1 < 0 ||
+ delta_frame_id_minus1 >= (1 << diff_len))
+ cm->invalid_delta_frame_id_minus1 = 1;
+ aom_wb_write_literal(wb, delta_frame_id_minus1, diff_len);
+ }
+#endif
+ }
+
+#if CONFIG_FRAME_SIZE
+ if (cm->error_resilient_mode == 0) {
+ write_frame_size_with_refs(cpi, wb);
+ } else {
+ write_frame_size(cm, wb);
+ }
+#else
+ write_frame_size_with_refs(cpi, wb);
+#endif
+
+ aom_wb_write_bit(wb, cm->allow_high_precision_mv);
+
+ fix_interp_filter(cm, cpi->td.counts);
+ write_frame_interp_filter(cm->interp_filter, wb);
+#if CONFIG_TEMPMV_SIGNALING
+ if (!cm->error_resilient_mode) {
+ aom_wb_write_bit(wb, cm->use_prev_frame_mvs);
+ }
+#endif
+ }
+ }
+
+#if CONFIG_REFERENCE_BUFFER
+ cm->refresh_mask = cm->frame_type == KEY_FRAME ? 0xFF : get_refresh_mask(cpi);
+#endif
+
+ if (!cm->error_resilient_mode) {
+ aom_wb_write_bit(
+ wb, cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_FORWARD);
+ }
+
+ aom_wb_write_literal(wb, cm->frame_context_idx, FRAME_CONTEXTS_LOG2);
+
+ assert(cm->mib_size == mi_size_wide[cm->sb_size]);
+ assert(cm->mib_size == 1 << cm->mib_size_log2);
+#if CONFIG_EXT_PARTITION
+ assert(cm->sb_size == BLOCK_128X128 || cm->sb_size == BLOCK_64X64);
+ aom_wb_write_bit(wb, cm->sb_size == BLOCK_128X128 ? 1 : 0);
+#else
+ assert(cm->sb_size == BLOCK_64X64);
+#endif // CONFIG_EXT_PARTITION
+
+ encode_loopfilter(cm, wb);
+#if CONFIG_CDEF
+ encode_cdef(cm, wb);
+#endif
+#if CONFIG_LOOP_RESTORATION
+ encode_restoration_mode(cm, wb);
+#endif // CONFIG_LOOP_RESTORATION
+ encode_quantization(cm, wb);
+ encode_segmentation(cm, xd, wb);
+#if CONFIG_DELTA_Q
+ {
+ int i;
+ struct segmentation *const seg = &cm->seg;
+ int segment_quantizer_active = 0;
+ for (i = 0; i < MAX_SEGMENTS; i++) {
+ if (segfeature_active(seg, i, SEG_LVL_ALT_Q)) {
+ segment_quantizer_active = 1;
+ }
+ }
+
+ if (cm->delta_q_present_flag)
+ assert(segment_quantizer_active == 0 && cm->base_qindex > 0);
+ if (segment_quantizer_active == 0 && cm->base_qindex > 0) {
+ aom_wb_write_bit(wb, cm->delta_q_present_flag);
+ if (cm->delta_q_present_flag) {
+ aom_wb_write_literal(wb, OD_ILOG_NZ(cm->delta_q_res) - 1, 2);
+ xd->prev_qindex = cm->base_qindex;
+#if CONFIG_EXT_DELTA_Q
+ assert(seg->abs_delta == SEGMENT_DELTADATA);
+ aom_wb_write_bit(wb, cm->delta_lf_present_flag);
+ if (cm->delta_lf_present_flag) {
+ aom_wb_write_literal(wb, OD_ILOG_NZ(cm->delta_lf_res) - 1, 2);
+ xd->prev_delta_lf_from_base = 0;
+ }
+#endif // CONFIG_EXT_DELTA_Q
+ }
+ }
+ }
+#endif
+
+ write_tx_mode(cm, xd, &cm->tx_mode, wb);
+
+ if (cpi->allow_comp_inter_inter) {
+ const int use_hybrid_pred = cm->reference_mode == REFERENCE_MODE_SELECT;
+#if !CONFIG_REF_ADAPT
+ const int use_compound_pred = cm->reference_mode != SINGLE_REFERENCE;
+#endif // !CONFIG_REF_ADAPT
+
+ aom_wb_write_bit(wb, use_hybrid_pred);
+#if !CONFIG_REF_ADAPT
+ if (!use_hybrid_pred) aom_wb_write_bit(wb, use_compound_pred);
+#endif // !CONFIG_REF_ADAPT
+ }
+
+#if CONFIG_EXT_TX
+ aom_wb_write_bit(wb, cm->reduced_tx_set_used);
+#endif // CONFIG_EXT_TX
+
+ write_tile_info(cm, wb);
+}
+
+#if CONFIG_GLOBAL_MOTION
+static void write_global_motion_params(WarpedMotionParams *params,
+ WarpedMotionParams *ref_params,
+ aom_prob *probs, aom_writer *w,
+ int allow_hp) {
+ TransformationType type = params->wmtype;
+ int trans_bits;
+ int trans_prec_diff;
+ av1_write_token(w, av1_global_motion_types_tree, probs,
+ &global_motion_types_encodings[type]);
+ switch (type) {
+ case HOMOGRAPHY:
+ case HORTRAPEZOID:
+ case VERTRAPEZOID:
+ if (type != HORTRAPEZOID)
+ aom_write_signed_primitive_refsubexpfin(
+ w, GM_ROW3HOMO_MAX + 1, SUBEXPFIN_K,
+ (ref_params->wmmat[6] >> GM_ROW3HOMO_PREC_DIFF),
+ (params->wmmat[6] >> GM_ROW3HOMO_PREC_DIFF));
+ if (type != VERTRAPEZOID)
+ aom_write_signed_primitive_refsubexpfin(
+ w, GM_ROW3HOMO_MAX + 1, SUBEXPFIN_K,
+ (ref_params->wmmat[7] >> GM_ROW3HOMO_PREC_DIFF),
+ (params->wmmat[7] >> GM_ROW3HOMO_PREC_DIFF));
+ // fallthrough intended
+ case AFFINE:
+ case ROTZOOM:
+ aom_write_signed_primitive_refsubexpfin(
+ w, GM_ALPHA_MAX + 1, SUBEXPFIN_K,
+ (ref_params->wmmat[2] >> GM_ALPHA_PREC_DIFF) -
+ (1 << GM_ALPHA_PREC_BITS),
+ (params->wmmat[2] >> GM_ALPHA_PREC_DIFF) - (1 << GM_ALPHA_PREC_BITS));
+ if (type != VERTRAPEZOID)
+ aom_write_signed_primitive_refsubexpfin(
+ w, GM_ALPHA_MAX + 1, SUBEXPFIN_K,
+ (ref_params->wmmat[3] >> GM_ALPHA_PREC_DIFF),
+ (params->wmmat[3] >> GM_ALPHA_PREC_DIFF));
+ if (type >= AFFINE) {
+ if (type != HORTRAPEZOID)
+ aom_write_signed_primitive_refsubexpfin(
+ w, GM_ALPHA_MAX + 1, SUBEXPFIN_K,
+ (ref_params->wmmat[4] >> GM_ALPHA_PREC_DIFF),
+ (params->wmmat[4] >> GM_ALPHA_PREC_DIFF));
+ aom_write_signed_primitive_refsubexpfin(
+ w, GM_ALPHA_MAX + 1, SUBEXPFIN_K,
+ (ref_params->wmmat[5] >> GM_ALPHA_PREC_DIFF) -
+ (1 << GM_ALPHA_PREC_BITS),
+ (params->wmmat[5] >> GM_ALPHA_PREC_DIFF) -
+ (1 << GM_ALPHA_PREC_BITS));
+ }
+ // fallthrough intended
+ case TRANSLATION:
+ trans_bits = (type == TRANSLATION) ? GM_ABS_TRANS_ONLY_BITS - !allow_hp
+ : GM_ABS_TRANS_BITS;
+ trans_prec_diff = (type == TRANSLATION)
+ ? GM_TRANS_ONLY_PREC_DIFF + !allow_hp
+ : GM_TRANS_PREC_DIFF;
+ aom_write_signed_primitive_refsubexpfin(
+ w, (1 << trans_bits) + 1, SUBEXPFIN_K,
+ (ref_params->wmmat[0] >> trans_prec_diff),
+ (params->wmmat[0] >> trans_prec_diff));
+ aom_write_signed_primitive_refsubexpfin(
+ w, (1 << trans_bits) + 1, SUBEXPFIN_K,
+ (ref_params->wmmat[1] >> trans_prec_diff),
+ (params->wmmat[1] >> trans_prec_diff));
+ break;
+ case IDENTITY: break;
+ default: assert(0);
+ }
+}
+
+static void write_global_motion(AV1_COMP *cpi, aom_writer *w) {
+ AV1_COMMON *const cm = &cpi->common;
+ int frame;
+ for (frame = LAST_FRAME; frame <= ALTREF_FRAME; ++frame) {
+#if !CONFIG_REF_MV
+ // With ref-mv, clearing unused global motion models here is
+ // unsafe, and we need to rely on the recode loop to do it
+ // instead. See av1_find_mv_refs for details.
+ if (!cpi->td.rd_counts.global_motion_used[frame]) {
+ set_default_warp_params(&cm->global_motion[frame]);
+ }
+#endif
+ write_global_motion_params(
+ &cm->global_motion[frame], &cm->prev_frame->global_motion[frame],
+ cm->fc->global_motion_types_prob, w, cm->allow_high_precision_mv);
+ /*
+ printf("Frame %d/%d: Enc Ref %d (used %d): %d %d %d %d\n",
+ cm->current_video_frame, cm->show_frame, frame,
+ cpi->global_motion_used[frame], cm->global_motion[frame].wmmat[0],
+ cm->global_motion[frame].wmmat[1], cm->global_motion[frame].wmmat[2],
+ cm->global_motion[frame].wmmat[3]);
+ */
+ }
+}
+#endif
+
+static uint32_t write_compressed_header(AV1_COMP *cpi, uint8_t *data) {
+ AV1_COMMON *const cm = &cpi->common;
+#if CONFIG_SUPERTX
+ MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
+#endif // CONFIG_SUPERTX
+ FRAME_CONTEXT *const fc = cm->fc;
+ FRAME_COUNTS *counts = cpi->td.counts;
+ aom_writer *header_bc;
+ int i, j;
+
+#if CONFIG_TILE_GROUPS
+ const int probwt = cm->num_tg;
+#else
+ const int probwt = 1;
+#endif
+
+#if CONFIG_ANS
+ int header_size;
+ header_bc = &cpi->buf_ans;
+ buf_ans_write_init(header_bc, data);
+#else
+ aom_writer real_header_bc;
+ header_bc = &real_header_bc;
+ aom_start_encode(header_bc, data);
+#endif
+
+#if CONFIG_LOOP_RESTORATION
+ encode_restoration(cm, header_bc);
+#endif // CONFIG_LOOP_RESTORATION
+#if !CONFIG_EC_ADAPT
+ update_txfm_probs(cm, header_bc, counts);
+#endif
+#if CONFIG_LV_MAP
+ av1_write_txb_probs(cpi, header_bc);
+#else
+#if !CONFIG_PVQ
+#if !(CONFIG_EC_ADAPT && CONFIG_NEW_TOKENSET)
+ update_coef_probs(cpi, header_bc);
+#endif // !(CONFIG_EC_ADAPT && CONFIG_NEW_TOKENSET)
+#endif // CONFIG_PVQ
+#endif // CONFIG_LV_MAP
+
+#if CONFIG_VAR_TX
+ update_txfm_partition_probs(cm, header_bc, counts, probwt);
+#endif
+
+ update_skip_probs(cm, header_bc, counts);
+#if !CONFIG_EC_ADAPT && CONFIG_DELTA_Q
+ update_delta_q_probs(cm, header_bc, counts);
+#if CONFIG_EXT_DELTA_Q
+ update_delta_lf_probs(cm, header_bc, counts);
+#endif
+#endif
+#if !CONFIG_EC_ADAPT
+ update_seg_probs(cpi, header_bc);
+
+ for (i = 0; i < INTRA_MODES; ++i) {
+ prob_diff_update(av1_intra_mode_tree, fc->uv_mode_prob[i],
+ counts->uv_mode[i], INTRA_MODES, probwt, header_bc);
+ }
+
+#if CONFIG_EXT_PARTITION_TYPES
+ for (i = 0; i < PARTITION_PLOFFSET; ++i)
+ prob_diff_update(av1_partition_tree, fc->partition_prob[i],
+ counts->partition[i], PARTITION_TYPES, probwt, header_bc);
+ for (; i < PARTITION_CONTEXTS_PRIMARY; ++i)
+ prob_diff_update(av1_ext_partition_tree, fc->partition_prob[i],
+ counts->partition[i], EXT_PARTITION_TYPES, probwt,
+ header_bc);
+#else
+ for (i = 0; i < PARTITION_CONTEXTS_PRIMARY; ++i)
+ prob_diff_update(av1_partition_tree, fc->partition_prob[i],
+ counts->partition[i], PARTITION_TYPES, probwt, header_bc);
+#endif // CONFIG_EXT_PARTITION_TYPES
+#if CONFIG_UNPOISON_PARTITION_CTX
+ for (; i < PARTITION_CONTEXTS_PRIMARY + PARTITION_BLOCK_SIZES; ++i) {
+ unsigned int ct[2] = { counts->partition[i][PARTITION_VERT],
+ counts->partition[i][PARTITION_SPLIT] };
+ assert(counts->partition[i][PARTITION_NONE] == 0);
+ assert(counts->partition[i][PARTITION_HORZ] == 0);
+ assert(fc->partition_prob[i][PARTITION_NONE] == 0);
+ assert(fc->partition_prob[i][PARTITION_HORZ] == 0);
+ av1_cond_prob_diff_update(header_bc, &fc->partition_prob[i][PARTITION_VERT],
+ ct, probwt);
+ }
+ for (; i < PARTITION_CONTEXTS_PRIMARY + 2 * PARTITION_BLOCK_SIZES; ++i) {
+ unsigned int ct[2] = { counts->partition[i][PARTITION_HORZ],
+ counts->partition[i][PARTITION_SPLIT] };
+ assert(counts->partition[i][PARTITION_NONE] == 0);
+ assert(counts->partition[i][PARTITION_VERT] == 0);
+ assert(fc->partition_prob[i][PARTITION_NONE] == 0);
+ assert(fc->partition_prob[i][PARTITION_VERT] == 0);
+ av1_cond_prob_diff_update(header_bc, &fc->partition_prob[i][PARTITION_HORZ],
+ ct, probwt);
+ }
+#endif
+#if CONFIG_EXT_INTRA && CONFIG_INTRA_INTERP
+ for (i = 0; i < INTRA_FILTERS + 1; ++i)
+ prob_diff_update(av1_intra_filter_tree, fc->intra_filter_probs[i],
+ counts->intra_filter[i], INTRA_FILTERS, probwt, header_bc);
+#endif // CONFIG_EXT_INTRA && CONFIG_INTRA_INTERP
+#endif // !CONFIG_EC_ADAPT
+
+ if (frame_is_intra_only(cm)) {
+ av1_copy(cm->kf_y_prob, av1_kf_y_mode_prob);
+#if CONFIG_EC_MULTISYMBOL
+ av1_copy(cm->fc->kf_y_cdf, av1_kf_y_mode_cdf);
+#endif
+
+#if !CONFIG_EC_ADAPT
+ for (i = 0; i < INTRA_MODES; ++i)
+ for (j = 0; j < INTRA_MODES; ++j)
+ prob_diff_update(av1_intra_mode_tree, cm->kf_y_prob[i][j],
+ counts->kf_y_mode[i][j], INTRA_MODES, probwt,
+ header_bc);
+#endif // CONFIG_EC_ADAPT
+ } else {
+#if CONFIG_REF_MV
+ update_inter_mode_probs(cm, header_bc, counts);
+#else
+#if !CONFIG_EC_ADAPT
+ for (i = 0; i < INTER_MODE_CONTEXTS; ++i) {
+ prob_diff_update(av1_inter_mode_tree, cm->fc->inter_mode_probs[i],
+ counts->inter_mode[i], INTER_MODES, probwt, header_bc);
+ }
+#endif
+#endif
+#if CONFIG_EXT_INTER
+ update_inter_compound_mode_probs(cm, probwt, header_bc);
+
+ if (cm->reference_mode != COMPOUND_REFERENCE) {
+ for (i = 0; i < BLOCK_SIZE_GROUPS; i++) {
+ if (is_interintra_allowed_bsize_group(i)) {
+ av1_cond_prob_diff_update(header_bc, &fc->interintra_prob[i],
+ cm->counts.interintra[i], probwt);
+ }
+ }
+ for (i = 0; i < BLOCK_SIZE_GROUPS; i++) {
+ prob_diff_update(
+ av1_interintra_mode_tree, cm->fc->interintra_mode_prob[i],
+ counts->interintra_mode[i], INTERINTRA_MODES, probwt, header_bc);
+ }
+ for (i = 0; i < BLOCK_SIZES; i++) {
+ if (is_interintra_allowed_bsize(i) && is_interintra_wedge_used(i))
+ av1_cond_prob_diff_update(header_bc, &fc->wedge_interintra_prob[i],
+ cm->counts.wedge_interintra[i], probwt);
+ }
+ }
+#if CONFIG_COMPOUND_SEGMENT || CONFIG_WEDGE
+ if (cm->reference_mode != SINGLE_REFERENCE) {
+ for (i = 0; i < BLOCK_SIZES; i++)
+ prob_diff_update(av1_compound_type_tree, fc->compound_type_prob[i],
+ cm->counts.compound_interinter[i], COMPOUND_TYPES,
+ probwt, header_bc);
+ }
+#endif // CONFIG_COMPOUND_SEGMENT || CONFIG_WEDGE
+#endif // CONFIG_EXT_INTER
+
+#if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+ for (i = BLOCK_8X8; i < BLOCK_SIZES; ++i)
+ prob_diff_update(av1_motion_mode_tree, fc->motion_mode_prob[i],
+ counts->motion_mode[i], MOTION_MODES, probwt, header_bc);
+#endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+#if !CONFIG_EC_ADAPT
+ if (cm->interp_filter == SWITCHABLE)
+ update_switchable_interp_probs(cm, header_bc, counts);
+#endif
+
+ for (i = 0; i < INTRA_INTER_CONTEXTS; i++)
+ av1_cond_prob_diff_update(header_bc, &fc->intra_inter_prob[i],
+ counts->intra_inter[i], probwt);
+
+ if (cpi->allow_comp_inter_inter) {
+ const int use_hybrid_pred = cm->reference_mode == REFERENCE_MODE_SELECT;
+ if (use_hybrid_pred)
+ for (i = 0; i < COMP_INTER_CONTEXTS; i++)
+ av1_cond_prob_diff_update(header_bc, &fc->comp_inter_prob[i],
+ counts->comp_inter[i], probwt);
+ }
+
+ if (cm->reference_mode != COMPOUND_REFERENCE) {
+ for (i = 0; i < REF_CONTEXTS; i++) {
+ for (j = 0; j < (SINGLE_REFS - 1); j++) {
+ av1_cond_prob_diff_update(header_bc, &fc->single_ref_prob[i][j],
+ counts->single_ref[i][j], probwt);
+ }
+ }
+ }
+ if (cm->reference_mode != SINGLE_REFERENCE) {
+ for (i = 0; i < REF_CONTEXTS; i++) {
+#if CONFIG_EXT_REFS
+ for (j = 0; j < (FWD_REFS - 1); j++) {
+ av1_cond_prob_diff_update(header_bc, &fc->comp_ref_prob[i][j],
+ counts->comp_ref[i][j], probwt);
+ }
+ for (j = 0; j < (BWD_REFS - 1); j++) {
+ av1_cond_prob_diff_update(header_bc, &fc->comp_bwdref_prob[i][j],
+ counts->comp_bwdref[i][j], probwt);
+ }
+#else
+ for (j = 0; j < (COMP_REFS - 1); j++) {
+ av1_cond_prob_diff_update(header_bc, &fc->comp_ref_prob[i][j],
+ counts->comp_ref[i][j], probwt);
+ }
+#endif // CONFIG_EXT_REFS
+ }
+ }
+
+#if !CONFIG_EC_ADAPT
+ for (i = 0; i < BLOCK_SIZE_GROUPS; ++i) {
+ prob_diff_update(av1_intra_mode_tree, cm->fc->y_mode_prob[i],
+ counts->y_mode[i], INTRA_MODES, probwt, header_bc);
+ }
+#endif
+
+ av1_write_nmv_probs(cm, cm->allow_high_precision_mv, header_bc,
+#if CONFIG_REF_MV
+ counts->mv);
+#else
+ &counts->mv);
+#endif
+#if !CONFIG_EC_ADAPT
+ update_ext_tx_probs(cm, header_bc);
+#endif
+#if CONFIG_SUPERTX
+ if (!xd->lossless[0]) update_supertx_probs(cm, probwt, header_bc);
+#endif // CONFIG_SUPERTX
+#if CONFIG_GLOBAL_MOTION
+ write_global_motion(cpi, header_bc);
+#endif // CONFIG_GLOBAL_MOTION
+ }
+#if CONFIG_EC_MULTISYMBOL
+#if !CONFIG_EC_ADAPT
+#if CONFIG_NEW_TOKENSET
+ av1_coef_head_cdfs(fc);
+#endif
+ av1_coef_pareto_cdfs(fc);
+#if CONFIG_REF_MV
+ for (i = 0; i < NMV_CONTEXTS; ++i) av1_set_mv_cdfs(&fc->nmvc[i]);
+#else
+ av1_set_mv_cdfs(&fc->nmvc);
+#endif
+#if CONFIG_EC_MULTISYMBOL
+ av1_set_mode_cdfs(cm);
+#endif
+#endif // !CONFIG_EC_ADAPT
+#endif
+#if CONFIG_ANS
+ aom_buf_ans_flush(header_bc);
+ header_size = buf_ans_write_end(header_bc);
+ assert(header_size <= 0xffff);
+ return header_size;
+#else
+ aom_stop_encode(header_bc);
+ assert(header_bc->pos <= 0xffff);
+ return header_bc->pos;
+#endif // CONFIG_ANS
+}
+
+static int choose_size_bytes(uint32_t size, int spare_msbs) {
+ // Choose the number of bytes required to represent size, without
+ // using the 'spare_msbs' number of most significant bits.
+
+ // Make sure we will fit in 4 bytes to start with..
+ if (spare_msbs > 0 && size >> (32 - spare_msbs) != 0) return -1;
+
+ // Normalise to 32 bits
+ size <<= spare_msbs;
+
+ if (size >> 24 != 0)
+ return 4;
+ else if (size >> 16 != 0)
+ return 3;
+ else if (size >> 8 != 0)
+ return 2;
+ else
+ return 1;
+}
+
+static void mem_put_varsize(uint8_t *const dst, const int sz, const int val) {
+ switch (sz) {
+ case 1: dst[0] = (uint8_t)(val & 0xff); break;
+ case 2: mem_put_le16(dst, val); break;
+ case 3: mem_put_le24(dst, val); break;
+ case 4: mem_put_le32(dst, val); break;
+ default: assert(0 && "Invalid size"); break;
+ }
+}
+static int remux_tiles(const AV1_COMMON *const cm, uint8_t *dst,
+ const uint32_t data_size, const uint32_t max_tile_size,
+ const uint32_t max_tile_col_size,
+ int *const tile_size_bytes,
+ int *const tile_col_size_bytes) {
+// Choose the tile size bytes (tsb) and tile column size bytes (tcsb)
+#if CONFIG_EXT_TILE
+ // The top bit in the tile size field indicates tile copy mode, so we
+ // have 1 less bit to code the tile size
+ const int tsb = choose_size_bytes(max_tile_size, 1);
+ const int tcsb = choose_size_bytes(max_tile_col_size, 0);
+#else
+ const int tsb = choose_size_bytes(max_tile_size, 0);
+ const int tcsb = 4; // This is ignored
+ (void)max_tile_col_size;
+#endif // CONFIG_EXT_TILE
+
+ assert(tsb > 0);
+ assert(tcsb > 0);
+
+ *tile_size_bytes = tsb;
+ *tile_col_size_bytes = tcsb;
+
+ if (tsb == 4 && tcsb == 4) {
+ return data_size;
+ } else {
+ uint32_t wpos = 0;
+ uint32_t rpos = 0;
+
+#if CONFIG_EXT_TILE
+ int tile_row;
+ int tile_col;
+
+ for (tile_col = 0; tile_col < cm->tile_cols; tile_col++) {
+ // All but the last column has a column header
+ if (tile_col < cm->tile_cols - 1) {
+ uint32_t tile_col_size = mem_get_le32(dst + rpos);
+ rpos += 4;
+
+ // Adjust the tile column size by the number of bytes removed
+ // from the tile size fields.
+ tile_col_size -= (4 - tsb) * cm->tile_rows;
+
+ mem_put_varsize(dst + wpos, tcsb, tile_col_size);
+ wpos += tcsb;
+ }
+
+ for (tile_row = 0; tile_row < cm->tile_rows; tile_row++) {
+ // All, including the last row has a header
+ uint32_t tile_header = mem_get_le32(dst + rpos);
+ rpos += 4;
+
+ // If this is a copy tile, we need to shift the MSB to the
+ // top bit of the new width, and there is no data to copy.
+ if (tile_header >> 31 != 0) {
+ if (tsb < 4) tile_header >>= 32 - 8 * tsb;
+ mem_put_varsize(dst + wpos, tsb, tile_header);
+ wpos += tsb;
+ } else {
+ mem_put_varsize(dst + wpos, tsb, tile_header);
+ wpos += tsb;
+
+ memmove(dst + wpos, dst + rpos, tile_header);
+ rpos += tile_header;
+ wpos += tile_header;
+ }
+ }
+ }
+#else
+ const int n_tiles = cm->tile_cols * cm->tile_rows;
+ int n;
+
+ for (n = 0; n < n_tiles; n++) {
+ int tile_size;
+
+ if (n == n_tiles - 1) {
+ tile_size = data_size - rpos;
+ } else {
+ tile_size = mem_get_le32(dst + rpos);
+ rpos += 4;
+ mem_put_varsize(dst + wpos, tsb, tile_size);
+ wpos += tsb;
+ }
+
+ memmove(dst + wpos, dst + rpos, tile_size);
+
+ rpos += tile_size;
+ wpos += tile_size;
+ }
+#endif // CONFIG_EXT_TILE
+
+ assert(rpos > wpos);
+ assert(rpos == data_size);
+
+ return wpos;
+ }
+}
+
+void av1_pack_bitstream(AV1_COMP *const cpi, uint8_t *dst, size_t *size) {
+ uint8_t *data = dst;
+#if !CONFIG_TILE_GROUPS
+ uint32_t compressed_header_size;
+ uint32_t uncompressed_header_size;
+ struct aom_write_bit_buffer saved_wb;
+#endif
+ uint32_t data_size;
+ struct aom_write_bit_buffer wb = { data, 0 };
+
+ unsigned int max_tile_size;
+ unsigned int max_tile_col_size;
+
+#if CONFIG_BITSTREAM_DEBUG
+ bitstream_queue_reset_write();
+#endif
+
+#if !CONFIG_TILE_GROUPS
+ int tile_size_bytes;
+ int tile_col_size_bytes;
+ AV1_COMMON *const cm = &cpi->common;
+ const int have_tiles = cm->tile_cols * cm->tile_rows > 1;
+
+ // Write the uncompressed header
+ write_uncompressed_header(cpi, &wb);
+
+#if CONFIG_EXT_REFS
+ if (cm->show_existing_frame) {
+ *size = aom_wb_bytes_written(&wb);
+ return;
+ }
+#endif // CONFIG_EXT_REFS
+
+ // We do not know these in advance. Output placeholder bit.
+ saved_wb = wb;
+ // Write tile size magnitudes
+ if (have_tiles) {
+// Note that the last item in the uncompressed header is the data
+// describing tile configuration.
+#if CONFIG_EXT_TILE
+ // Number of bytes in tile column size - 1
+ aom_wb_write_literal(&wb, 0, 2);
+#endif // CONFIG_EXT_TILE
+ // Number of bytes in tile size - 1
+ aom_wb_write_literal(&wb, 0, 2);
+ }
+ // Size of compressed header
+ aom_wb_write_literal(&wb, 0, 16);
+
+ uncompressed_header_size = (uint32_t)aom_wb_bytes_written(&wb);
+ data += uncompressed_header_size;
+
+ aom_clear_system_state();
+
+ // Write the compressed header
+ compressed_header_size = write_compressed_header(cpi, data);
+ data += compressed_header_size;
+
+ // Write the encoded tile data
+ data_size = write_tiles(cpi, data, &max_tile_size, &max_tile_col_size);
+#else
+ data_size = write_tiles(cpi, &wb, &max_tile_size, &max_tile_col_size);
+#endif
+#if !CONFIG_TILE_GROUPS
+ if (have_tiles) {
+ data_size =
+ remux_tiles(cm, data, data_size, max_tile_size, max_tile_col_size,
+ &tile_size_bytes, &tile_col_size_bytes);
+ }
+
+ data += data_size;
+
+ // Now fill in the gaps in the uncompressed header.
+ if (have_tiles) {
+#if CONFIG_EXT_TILE
+ assert(tile_col_size_bytes >= 1 && tile_col_size_bytes <= 4);
+ aom_wb_write_literal(&saved_wb, tile_col_size_bytes - 1, 2);
+#endif // CONFIG_EXT_TILE
+ assert(tile_size_bytes >= 1 && tile_size_bytes <= 4);
+ aom_wb_write_literal(&saved_wb, tile_size_bytes - 1, 2);
+ }
+ // TODO(jbb): Figure out what to do if compressed_header_size > 16 bits.
+ assert(compressed_header_size <= 0xffff);
+ aom_wb_write_literal(&saved_wb, compressed_header_size, 16);
+#else
+ data += data_size;
+#endif
+#if CONFIG_ANS && ANS_REVERSE
+ // Avoid aliasing the superframe index
+ *data++ = 0;
+#endif
+ *size = data - dst;
+}