Port folder renaming changes from AOM
Manually cherry-picked commits:
ceef058 libvpx->libaom part2
3d26d91 libvpx -> libaom
cfea7dd vp10/ -> av1/
3a8eff7 Fix a build issue for a test
bf4202e Rename vpx to aom
Change-Id: I1b0eb5a40796e3aaf41c58984b4229a439a597dc
diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
new file mode 100644
index 0000000..30699b4
--- /dev/null
+++ b/av1/encoder/bitstream.c
@@ -0,0 +1,3631 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <assert.h>
+#include <limits.h>
+#include <stdio.h>
+
+#include "aom/vpx_encoder.h"
+#include "aom_dsp/bitwriter_buffer.h"
+#include "aom_dsp/vpx_dsp_common.h"
+#include "aom_mem/vpx_mem.h"
+#include "aom_ports/mem_ops.h"
+#include "aom_ports/system_state.h"
+#include "aom_util/debug_util.h"
+
+#if CONFIG_CLPF
+#include "av1/common/clpf.h"
+#endif
+#if CONFIG_DERING
+#include "av1/common/dering.h"
+#endif // CONFIG_DERING
+#include "av1/common/entropy.h"
+#include "av1/common/entropymode.h"
+#include "av1/common/entropymv.h"
+#include "av1/common/mvref_common.h"
+#include "av1/common/pred_common.h"
+#include "av1/common/reconinter.h"
+#include "av1/common/seg_common.h"
+#include "av1/common/tile_common.h"
+
+#if CONFIG_ANS
+#include "av1/encoder/buf_ans.h"
+#endif // CONFIG_ANS
+#include "av1/encoder/bitstream.h"
+#include "av1/encoder/cost.h"
+#include "av1/encoder/encodemv.h"
+#include "av1/encoder/mcomp.h"
+#include "av1/encoder/segmentation.h"
+#include "av1/encoder/subexp.h"
+#include "av1/encoder/tokenize.h"
+
+static const struct vp10_token intra_mode_encodings[INTRA_MODES] = {
+ { 0, 1 }, { 6, 3 }, { 28, 5 }, { 30, 5 }, { 58, 6 },
+ { 59, 6 }, { 126, 7 }, { 127, 7 }, { 62, 6 }, { 2, 2 }
+};
+#if CONFIG_EXT_INTERP
+static const struct vp10_token switchable_interp_encodings[SWITCHABLE_FILTERS] =
+ { { 0, 1 }, { 4, 3 }, { 6, 3 }, { 5, 3 }, { 7, 3 } };
+#else
+static const struct vp10_token switchable_interp_encodings[SWITCHABLE_FILTERS] =
+ { { 0, 1 }, { 2, 2 }, { 3, 2 } };
+#endif // CONFIG_EXT_INTERP
+#if CONFIG_EXT_PARTITION_TYPES
+static const struct vp10_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 const struct vp10_token partition_encodings[PARTITION_TYPES] = {
+ { 0, 1 }, { 2, 2 }, { 6, 3 }, { 7, 3 }
+};
+#if !CONFIG_REF_MV
+static const struct vp10_token inter_mode_encodings[INTER_MODES] =
+#if CONFIG_EXT_INTER
+ { { 2, 2 }, { 6, 3 }, { 0, 1 }, { 14, 4 }, { 15, 4 } };
+#else
+ { { 2, 2 }, { 6, 3 }, { 0, 1 }, { 7, 3 } };
+#endif // CONFIG_EXT_INTER
+#endif
+#if CONFIG_EXT_INTER
+static const struct vp10_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
+static const struct vp10_token palette_size_encodings[] = {
+ { 0, 1 }, { 2, 2 }, { 6, 3 }, { 14, 4 }, { 30, 5 }, { 62, 6 }, { 63, 6 },
+};
+static const struct vp10_token
+ palette_color_encodings[PALETTE_MAX_SIZE - 1][PALETTE_MAX_SIZE] = {
+ { { 0, 1 }, { 1, 1 } }, // 2 colors
+ { { 0, 1 }, { 2, 2 }, { 3, 2 } }, // 3 colors
+ { { 0, 1 }, { 2, 2 }, { 6, 3 }, { 7, 3 } }, // 4 colors
+ { { 0, 1 }, { 2, 2 }, { 6, 3 }, { 14, 4 }, { 15, 4 } }, // 5 colors
+ { { 0, 1 },
+ { 2, 2 },
+ { 6, 3 },
+ { 14, 4 },
+ { 30, 5 },
+ { 31, 5 } }, // 6 colors
+ { { 0, 1 },
+ { 2, 2 },
+ { 6, 3 },
+ { 14, 4 },
+ { 30, 5 },
+ { 62, 6 },
+ { 63, 6 } }, // 7 colors
+ { { 0, 1 },
+ { 2, 2 },
+ { 6, 3 },
+ { 14, 4 },
+ { 30, 5 },
+ { 62, 6 },
+ { 126, 7 },
+ { 127, 7 } }, // 8 colors
+ };
+
+static const struct vp10_token tx_size_encodings[TX_SIZES - 1][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
+};
+
+static INLINE void write_uniform(vp10_writer *w, int n, int v) {
+ int l = get_unsigned_bits(n);
+ int m = (1 << l) - n;
+ if (l == 0) return;
+ if (v < m) {
+ vp10_write_literal(w, v, l - 1);
+ } else {
+ vp10_write_literal(w, m + ((v - m) >> 1), l - 1);
+ vp10_write_literal(w, (v - m) & 1, 1);
+ }
+}
+
+#if CONFIG_EXT_TX
+static struct vp10_token ext_tx_inter_encodings[EXT_TX_SETS_INTER][TX_TYPES];
+static struct vp10_token ext_tx_intra_encodings[EXT_TX_SETS_INTRA][TX_TYPES];
+#else
+static struct vp10_token ext_tx_encodings[TX_TYPES];
+#endif // CONFIG_EXT_TX
+#if CONFIG_GLOBAL_MOTION
+static struct vp10_token global_motion_types_encodings[GLOBAL_MOTION_TYPES];
+#endif // CONFIG_GLOBAL_MOTION
+#if CONFIG_EXT_INTRA
+static struct vp10_token intra_filter_encodings[INTRA_FILTERS];
+#endif // CONFIG_EXT_INTRA
+#if CONFIG_EXT_INTER
+static struct vp10_token interintra_mode_encodings[INTERINTRA_MODES];
+#endif // CONFIG_EXT_INTER
+#if CONFIG_OBMC || CONFIG_WARPED_MOTION
+static struct vp10_token motvar_encodings[MOTION_VARIATIONS];
+#endif // CONFIG_OBMC || CONFIG_WARPED_MOTION
+
+void vp10_encode_token_init(void) {
+#if CONFIG_EXT_TX
+ int s;
+ for (s = 1; s < EXT_TX_SETS_INTER; ++s) {
+ vp10_tokens_from_tree(ext_tx_inter_encodings[s], vp10_ext_tx_inter_tree[s]);
+ }
+ for (s = 1; s < EXT_TX_SETS_INTRA; ++s) {
+ vp10_tokens_from_tree(ext_tx_intra_encodings[s], vp10_ext_tx_intra_tree[s]);
+ }
+#else
+ vp10_tokens_from_tree(ext_tx_encodings, vp10_ext_tx_tree);
+#endif // CONFIG_EXT_TX
+#if CONFIG_EXT_INTRA
+ vp10_tokens_from_tree(intra_filter_encodings, vp10_intra_filter_tree);
+#endif // CONFIG_EXT_INTRA
+#if CONFIG_EXT_INTER
+ vp10_tokens_from_tree(interintra_mode_encodings, vp10_interintra_mode_tree);
+#endif // CONFIG_EXT_INTER
+#if CONFIG_OBMC || CONFIG_WARPED_MOTION
+ vp10_tokens_from_tree(motvar_encodings, vp10_motvar_tree);
+#endif // CONFIG_OBMC || CONFIG_WARPED_MOTION
+#if CONFIG_GLOBAL_MOTION
+ vp10_tokens_from_tree(global_motion_types_encodings,
+ vp10_global_motion_types_tree);
+#endif // CONFIG_GLOBAL_MOTION
+}
+
+static void write_intra_mode(vp10_writer *w, PREDICTION_MODE mode,
+ const vpx_prob *probs) {
+ vp10_write_token(w, vp10_intra_mode_tree, probs, &intra_mode_encodings[mode]);
+}
+
+#if CONFIG_EXT_INTER
+static void write_interintra_mode(vp10_writer *w, INTERINTRA_MODE mode,
+ const vpx_prob *probs) {
+ vp10_write_token(w, vp10_interintra_mode_tree, probs,
+ &interintra_mode_encodings[mode]);
+}
+#endif // CONFIG_EXT_INTER
+
+static void write_inter_mode(VP10_COMMON *cm, vp10_writer *w,
+ PREDICTION_MODE mode,
+#if CONFIG_REF_MV && CONFIG_EXT_INTER
+ int is_compound,
+#endif // CONFIG_REF_MV && CONFIG_EXT_INTER
+ const int16_t mode_ctx) {
+#if CONFIG_REF_MV
+ const int16_t newmv_ctx = mode_ctx & NEWMV_CTX_MASK;
+ const vpx_prob newmv_prob = cm->fc->newmv_prob[newmv_ctx];
+#if CONFIG_EXT_INTER
+ vp10_write(w, mode != NEWMV && mode != NEWFROMNEARMV, newmv_prob);
+
+ if (!is_compound && (mode == NEWMV || mode == NEWFROMNEARMV))
+ vp10_write(w, mode == NEWFROMNEARMV, cm->fc->new2mv_prob);
+
+ if (mode != NEWMV && mode != NEWFROMNEARMV) {
+#else
+ vp10_write(w, mode != NEWMV, newmv_prob);
+
+ if (mode != NEWMV) {
+#endif // CONFIG_EXT_INTER
+ const int16_t zeromv_ctx = (mode_ctx >> ZEROMV_OFFSET) & ZEROMV_CTX_MASK;
+ const vpx_prob zeromv_prob = cm->fc->zeromv_prob[zeromv_ctx];
+
+ if (mode_ctx & (1 << ALL_ZERO_FLAG_OFFSET)) {
+ assert(mode == ZEROMV);
+ return;
+ }
+
+ vp10_write(w, mode != ZEROMV, zeromv_prob);
+
+ if (mode != ZEROMV) {
+ int16_t refmv_ctx = (mode_ctx >> REFMV_OFFSET) & REFMV_CTX_MASK;
+ vpx_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 = cm->fc->refmv_prob[refmv_ctx];
+ vp10_write(w, mode != NEARESTMV, refmv_prob);
+ }
+ }
+#else
+ const vpx_prob *const inter_probs = cm->fc->inter_mode_probs[mode_ctx];
+ assert(is_inter_mode(mode));
+ vp10_write_token(w, vp10_inter_mode_tree, inter_probs,
+ &inter_mode_encodings[INTER_OFFSET(mode)]);
+#endif
+}
+
+#if CONFIG_REF_MV
+static void write_drl_idx(const VP10_COMMON *cm, const MB_MODE_INFO *mbmi,
+ const MB_MODE_INFO_EXT *mbmi_ext, vp10_writer *w) {
+ uint8_t ref_frame_type = vp10_ref_frame_type(mbmi->ref_frame);
+
+ assert(mbmi->ref_mv_idx < 3);
+
+ if (mbmi->mode == NEWMV) {
+ int idx;
+ for (idx = 0; idx < 2; ++idx) {
+ if (mbmi_ext->ref_mv_count[ref_frame_type] > idx + 1) {
+ uint8_t drl_ctx =
+ vp10_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], idx);
+ vpx_prob drl_prob = cm->fc->drl_prob[drl_ctx];
+
+ vp10_write(w, mbmi->ref_mv_idx != idx, drl_prob);
+ if (mbmi->ref_mv_idx == idx) return;
+ }
+ }
+ return;
+ }
+
+ if (mbmi->mode == NEARMV) {
+ 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 =
+ vp10_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], idx);
+ vpx_prob drl_prob = cm->fc->drl_prob[drl_ctx];
+
+ vp10_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(VP10_COMMON *cm, vp10_writer *w,
+ PREDICTION_MODE mode,
+ const int16_t mode_ctx) {
+ const vpx_prob *const inter_compound_probs =
+ cm->fc->inter_compound_mode_probs[mode_ctx];
+
+ assert(is_inter_compound_mode(mode));
+ vp10_write_token(w, vp10_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 vpx_write_bit_buffer *wb, int data,
+ int max) {
+ vpx_wb_write_literal(wb, data, get_unsigned_bits(max));
+}
+
+static void prob_diff_update(const vpx_tree_index *tree,
+ vpx_prob probs[/*n - 1*/],
+ const unsigned int counts[/*n - 1*/], int n,
+ vp10_writer *w) {
+ int i;
+ unsigned int branch_ct[32][2];
+
+ // Assuming max number of probabilities <= 32
+ assert(n <= 32);
+
+ vp10_tree_probs_from_distribution(tree, branch_ct, counts);
+ for (i = 0; i < n - 1; ++i)
+ vp10_cond_prob_diff_update(w, &probs[i], branch_ct[i]);
+}
+
+static int prob_diff_update_savings(const vpx_tree_index *tree,
+ vpx_prob probs[/*n - 1*/],
+ const unsigned int counts[/*n - 1*/],
+ int n) {
+ int i;
+ unsigned int branch_ct[32][2];
+ int savings = 0;
+
+ // Assuming max number of probabilities <= 32
+ assert(n <= 32);
+ vp10_tree_probs_from_distribution(tree, branch_ct, counts);
+ for (i = 0; i < n - 1; ++i) {
+ savings += vp10_cond_prob_diff_update_savings(&probs[i], branch_ct[i]);
+ }
+ return savings;
+}
+
+#if CONFIG_VAR_TX
+static void write_tx_size_vartx(const VP10_COMMON *cm, const MACROBLOCKD *xd,
+ const MB_MODE_INFO *mbmi, TX_SIZE tx_size,
+ int blk_row, int blk_col, vp10_writer *w) {
+ const int tx_row = blk_row >> 1;
+ const int tx_col = blk_col >> 1;
+ int max_blocks_high = num_4x4_blocks_high_lookup[mbmi->sb_type];
+ int max_blocks_wide = num_4x4_blocks_wide_lookup[mbmi->sb_type];
+ int ctx = txfm_partition_context(xd->above_txfm_context + tx_col,
+ xd->left_txfm_context + tx_row, tx_size);
+
+ if (xd->mb_to_bottom_edge < 0) max_blocks_high += xd->mb_to_bottom_edge >> 5;
+ if (xd->mb_to_right_edge < 0) max_blocks_wide += xd->mb_to_right_edge >> 5;
+
+ if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return;
+
+ if (tx_size == mbmi->inter_tx_size[tx_row][tx_col]) {
+ vp10_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);
+ } else {
+ const BLOCK_SIZE bsize = txsize_to_bsize[tx_size];
+ int bsl = b_width_log2_lookup[bsize];
+ int i;
+ vp10_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, TX_4X4);
+ return;
+ }
+
+ assert(bsl > 0);
+ --bsl;
+ 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, tx_size - 1, offsetr, offsetc, w);
+ }
+ }
+}
+
+static void update_txfm_partition_probs(VP10_COMMON *cm, vp10_writer *w,
+ FRAME_COUNTS *counts) {
+ int k;
+ for (k = 0; k < TXFM_PARTITION_CONTEXTS; ++k)
+ vp10_cond_prob_diff_update(w, &cm->fc->txfm_partition_prob[k],
+ counts->txfm_partition[k]);
+}
+#endif
+
+static void write_selected_tx_size(const VP10_COMMON *cm, const MACROBLOCKD *xd,
+ vp10_writer *w) {
+ const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+ const BLOCK_SIZE bsize = mbmi->sb_type;
+ // For sub8x8 blocks the tx_size symbol does not need to be sent
+ if (bsize >= BLOCK_8X8) {
+ 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];
+
+#if CONFIG_EXT_TX && CONFIG_RECT_TX
+ assert(IMPLIES(is_rect_tx(tx_size), is_rect_tx_allowed(mbmi)));
+ assert(
+ IMPLIES(is_rect_tx(tx_size), tx_size == max_txsize_rect_lookup[bsize]));
+#endif // CONFIG_EXT_TX && CONFIG_RECT_TX
+
+ vp10_write_token(w, vp10_tx_size_tree[tx_size_cat],
+ cm->fc->tx_size_probs[tx_size_cat][tx_size_ctx],
+ &tx_size_encodings[tx_size_cat][coded_tx_size]);
+ }
+}
+
+#if CONFIG_REF_MV
+static void update_inter_mode_probs(VP10_COMMON *cm, vp10_writer *w,
+ FRAME_COUNTS *counts) {
+ int i;
+ for (i = 0; i < NEWMV_MODE_CONTEXTS; ++i)
+ vp10_cond_prob_diff_update(w, &cm->fc->newmv_prob[i],
+ counts->newmv_mode[i]);
+ for (i = 0; i < ZEROMV_MODE_CONTEXTS; ++i)
+ vp10_cond_prob_diff_update(w, &cm->fc->zeromv_prob[i],
+ counts->zeromv_mode[i]);
+ for (i = 0; i < REFMV_MODE_CONTEXTS; ++i)
+ vp10_cond_prob_diff_update(w, &cm->fc->refmv_prob[i],
+ counts->refmv_mode[i]);
+ for (i = 0; i < DRL_MODE_CONTEXTS; ++i)
+ vp10_cond_prob_diff_update(w, &cm->fc->drl_prob[i], counts->drl_mode[i]);
+#if CONFIG_EXT_INTER
+ vp10_cond_prob_diff_update(w, &cm->fc->new2mv_prob, counts->new2mv_mode);
+#endif // CONFIG_EXT_INTER
+}
+#endif
+
+#if CONFIG_EXT_INTER
+static void update_inter_compound_mode_probs(VP10_COMMON *cm, vp10_writer *w) {
+ const int savings_thresh = vp10_cost_one(GROUP_DIFF_UPDATE_PROB) -
+ vp10_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(
+ vp10_inter_compound_mode_tree, cm->fc->inter_compound_mode_probs[i],
+ cm->counts.inter_compound_mode[i], INTER_COMPOUND_MODES);
+ }
+ do_update = savings > savings_thresh;
+ vp10_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
+ if (do_update) {
+ for (i = 0; i < INTER_MODE_CONTEXTS; ++i) {
+ prob_diff_update(
+ vp10_inter_compound_mode_tree, cm->fc->inter_compound_mode_probs[i],
+ cm->counts.inter_compound_mode[i], INTER_COMPOUND_MODES, w);
+ }
+ }
+}
+#endif // CONFIG_EXT_INTER
+
+static int write_skip(const VP10_COMMON *cm, const MACROBLOCKD *xd,
+ int segment_id, const MODE_INFO *mi, vp10_writer *w) {
+ if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) {
+ return 1;
+ } else {
+ const int skip = mi->mbmi.skip;
+ vp10_write(w, skip, vp10_get_skip_prob(cm, xd));
+ return skip;
+ }
+}
+
+static void update_skip_probs(VP10_COMMON *cm, vp10_writer *w,
+ FRAME_COUNTS *counts) {
+ int k;
+
+ for (k = 0; k < SKIP_CONTEXTS; ++k)
+ vp10_cond_prob_diff_update(w, &cm->fc->skip_probs[k], counts->skip[k]);
+}
+
+static void update_switchable_interp_probs(VP10_COMMON *cm, vp10_writer *w,
+ FRAME_COUNTS *counts) {
+ int j;
+ for (j = 0; j < SWITCHABLE_FILTER_CONTEXTS; ++j)
+ prob_diff_update(vp10_switchable_interp_tree,
+ cm->fc->switchable_interp_prob[j],
+ counts->switchable_interp[j], SWITCHABLE_FILTERS, w);
+}
+
+#if CONFIG_EXT_TX
+static void update_ext_tx_probs(VP10_COMMON *cm, vp10_writer *w) {
+ const int savings_thresh = vp10_cost_one(GROUP_DIFF_UPDATE_PROB) -
+ vp10_cost_zero(GROUP_DIFF_UPDATE_PROB);
+ int i, j;
+ int s;
+ 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(
+ vp10_ext_tx_inter_tree[s], cm->fc->inter_ext_tx_prob[s][i],
+ cm->counts.inter_ext_tx[s][i], num_ext_tx_set_inter[s]);
+ }
+ do_update = savings > savings_thresh;
+ vp10_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(
+ vp10_ext_tx_inter_tree[s], cm->fc->inter_ext_tx_prob[s][i],
+ cm->counts.inter_ext_tx[s][i], num_ext_tx_set_inter[s], 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(
+ vp10_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_intra[s]);
+ }
+ do_update = savings > savings_thresh;
+ vp10_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(
+ vp10_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_intra[s], w);
+ }
+ }
+ }
+}
+
+#else
+
+static void update_ext_tx_probs(VP10_COMMON *cm, vp10_writer *w) {
+ const int savings_thresh = vp10_cost_one(GROUP_DIFF_UPDATE_PROB) -
+ vp10_cost_zero(GROUP_DIFF_UPDATE_PROB);
+ int i, j;
+
+ int savings = 0;
+ int do_update = 0;
+ for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
+ for (j = 0; j < TX_TYPES; ++j)
+ savings += prob_diff_update_savings(
+ vp10_ext_tx_tree, cm->fc->intra_ext_tx_prob[i][j],
+ cm->counts.intra_ext_tx[i][j], TX_TYPES);
+ }
+ do_update = savings > savings_thresh;
+ vp10_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(vp10_ext_tx_tree, cm->fc->intra_ext_tx_prob[i][j],
+ cm->counts.intra_ext_tx[i][j], TX_TYPES, w);
+ }
+ }
+ savings = 0;
+ for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
+ savings +=
+ prob_diff_update_savings(vp10_ext_tx_tree, cm->fc->inter_ext_tx_prob[i],
+ cm->counts.inter_ext_tx[i], TX_TYPES);
+ }
+ do_update = savings > savings_thresh;
+ vp10_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
+ if (do_update) {
+ for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
+ prob_diff_update(vp10_ext_tx_tree, cm->fc->inter_ext_tx_prob[i],
+ cm->counts.inter_ext_tx[i], TX_TYPES, w);
+ }
+ }
+}
+#endif // CONFIG_EXT_TX
+
+static void pack_palette_tokens(vp10_writer *w, const TOKENEXTRA **tp, int n,
+ int num) {
+ int i;
+ const TOKENEXTRA *p = *tp;
+
+ for (i = 0; i < num; ++i) {
+ vp10_write_token(w, vp10_palette_color_tree[n - 2], p->context_tree,
+ &palette_color_encodings[n - 2][p->token]);
+ ++p;
+ }
+
+ *tp = p;
+}
+
+#if CONFIG_SUPERTX
+static void update_supertx_probs(VP10_COMMON *cm, vp10_writer *w) {
+ const int savings_thresh = vp10_cost_one(GROUP_DIFF_UPDATE_PROB) -
+ vp10_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 = 1; j < TX_SIZES; ++j) {
+ savings += vp10_cond_prob_diff_update_savings(&cm->fc->supertx_prob[i][j],
+ cm->counts.supertx[i][j]);
+ }
+ }
+ do_update = savings > savings_thresh;
+ vp10_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
+ if (do_update) {
+ for (i = 0; i < PARTITION_SUPERTX_CONTEXTS; ++i) {
+ for (j = 1; j < TX_SIZES; ++j) {
+ vp10_cond_prob_diff_update(w, &cm->fc->supertx_prob[i][j],
+ cm->counts.supertx[i][j]);
+ }
+ }
+ }
+}
+#endif // CONFIG_SUPERTX
+
+#if !CONFIG_ANS
+static void pack_mb_tokens(vp10_writer *w, const TOKENEXTRA **tp,
+ const TOKENEXTRA *const stop,
+ vpx_bit_depth_t bit_depth, const TX_SIZE tx) {
+ const TOKENEXTRA *p = *tp;
+#if CONFIG_VAR_TX
+ int count = 0;
+ const int seg_eob = get_tx2d_size(tx);
+#endif
+
+ while (p < stop && p->token != EOSB_TOKEN) {
+ const int t = p->token;
+ const struct vp10_token *const a = &vp10_coef_encodings[t];
+ int v = a->value;
+ int n = a->len;
+#if CONFIG_VP9_HIGHBITDEPTH
+ const vp10_extra_bit *b;
+ if (bit_depth == VPX_BITS_12)
+ b = &vp10_extra_bits_high12[t];
+ else if (bit_depth == VPX_BITS_10)
+ b = &vp10_extra_bits_high10[t];
+ else
+ b = &vp10_extra_bits[t];
+#else
+ const vp10_extra_bit *const b = &vp10_extra_bits[t];
+ (void)bit_depth;
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+ /* skip one or two nodes */
+ if (p->skip_eob_node)
+ n -= p->skip_eob_node;
+ else
+ vp10_write(w, t != EOB_TOKEN, p->context_tree[0]);
+
+ if (t != EOB_TOKEN) {
+ vp10_write(w, t != ZERO_TOKEN, p->context_tree[1]);
+
+ if (t != ZERO_TOKEN) {
+ vp10_write(w, t != ONE_TOKEN, p->context_tree[2]);
+
+ if (t != ONE_TOKEN) {
+ int len = UNCONSTRAINED_NODES - p->skip_eob_node;
+ vp10_write_tree(w, vp10_coef_con_tree,
+ vp10_pareto8_full[p->context_tree[PIVOT_NODE] - 1], v,
+ n - len, 0);
+ }
+ }
+ }
+
+ if (b->base_val) {
+ const int e = p->extra, l = b->len;
+ int skip_bits = (b->base_val == CAT6_MIN_VAL)
+ ? TX_SIZES - 1 - txsize_sqr_up_map[tx]
+ : 0;
+
+ if (l) {
+ const unsigned char *pb = b->prob;
+ int v = e >> 1;
+ int n = l; /* number of bits in v, assumed nonzero */
+ int i = 0;
+
+ do {
+ const int bb = (v >> --n) & 1;
+ if (skip_bits) {
+ skip_bits--;
+ assert(!bb);
+ } else {
+ vp10_write(w, bb, pb[i >> 1]);
+ }
+ i = b->tree[i + bb];
+ } while (n);
+ }
+
+ vp10_write_bit(w, e & 1);
+ }
+ ++p;
+
+#if CONFIG_VAR_TX
+ ++count;
+ if (t == EOB_TOKEN || count == seg_eob) break;
+#endif
+ }
+
+ *tp = p;
+}
+#else
+// This function serializes the tokens in forward order using a buffered ans
+// coder.
+static void pack_mb_tokens(struct BufAnsCoder *ans, const TOKENEXTRA **tp,
+ const TOKENEXTRA *const stop,
+ vpx_bit_depth_t bit_depth, const TX_SIZE tx) {
+ const TOKENEXTRA *p = *tp;
+#if CONFIG_VAR_TX
+ int count = 0;
+ const int seg_eob = 16 << (tx << 1);
+#endif // CONFIG_VAR_TX
+
+ while (p < stop && p->token != EOSB_TOKEN) {
+ const int t = p->token;
+#if CONFIG_VP9_HIGHBITDEPTH
+ const vp10_extra_bit *b;
+ if (bit_depth == VPX_BITS_12)
+ b = &vp10_extra_bits_high12[t];
+ else if (bit_depth == VPX_BITS_10)
+ b = &vp10_extra_bits_high10[t];
+ else
+ b = &vp10_extra_bits[t];
+#else
+ const vp10_extra_bit *const b = &vp10_extra_bits[t];
+ (void)bit_depth;
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+ /* skip one or two nodes */
+ if (!p->skip_eob_node)
+ buf_uabs_write(ans, t != EOB_TOKEN, p->context_tree[0]);
+
+ if (t != EOB_TOKEN) {
+ struct rans_sym s;
+ const rans_dec_lut *token_cdf = p->token_cdf;
+ assert(token_cdf);
+ s.cum_prob = (*token_cdf)[t - ZERO_TOKEN];
+ s.prob = (*token_cdf)[t - ZERO_TOKEN + 1] - s.cum_prob;
+ buf_rans_write(ans, &s);
+
+ if (b->base_val) {
+ const int e = p->extra, l = b->len;
+ int skip_bits = (b->base_val == CAT6_MIN_VAL)
+ ? TX_SIZES - 1 - txsize_sqr_up_map[tx]
+ : 0;
+
+ if (l) {
+ const unsigned char *pb = b->prob;
+ int v = e >> 1;
+ int n = l; /* number of bits in v, assumed nonzero */
+ int i = 0;
+
+ do {
+ const int bb = (v >> --n) & 1;
+ if (skip_bits) {
+ skip_bits--;
+ assert(!bb);
+ } else {
+ buf_uabs_write(ans, bb, pb[i >> 1]);
+ }
+ i = b->tree[i + bb];
+ } while (n);
+ }
+
+ buf_uabs_write(ans, e & 1, 128);
+ }
+ }
+ ++p;
+
+#if CONFIG_VAR_TX
+ ++count;
+ if (t == EOB_TOKEN || count == seg_eob) break;
+#endif // CONFIG_VAR_TX
+ }
+
+ *tp = p;
+}
+#endif // !CONFIG_ANS
+
+#if CONFIG_VAR_TX
+static void pack_txb_tokens(vp10_writer *w, const TOKENEXTRA **tp,
+ const TOKENEXTRA *const tok_end, MACROBLOCKD *xd,
+ MB_MODE_INFO *mbmi, int plane,
+ BLOCK_SIZE plane_bsize, vpx_bit_depth_t bit_depth,
+ int block, int blk_row, int blk_col,
+ TX_SIZE tx_size) {
+ 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;
+ int max_blocks_high = num_4x4_blocks_high_lookup[plane_bsize];
+ int max_blocks_wide = num_4x4_blocks_wide_lookup[plane_bsize];
+
+ if (xd->mb_to_bottom_edge < 0)
+ max_blocks_high += xd->mb_to_bottom_edge >> (5 + pd->subsampling_y);
+ if (xd->mb_to_right_edge < 0)
+ max_blocks_wide += xd->mb_to_right_edge >> (5 + pd->subsampling_x);
+
+ if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return;
+
+ plane_tx_size = plane ? get_uv_tx_size_impl(
+ mbmi->inter_tx_size[tx_row][tx_col], bsize, 0, 0)
+ : mbmi->inter_tx_size[tx_row][tx_col];
+
+ if (tx_size == plane_tx_size) {
+ pack_mb_tokens(w, tp, tok_end, bit_depth, tx_size);
+ } else {
+ int bsl = b_width_log2_lookup[bsize];
+ int i;
+
+ assert(bsl > 0);
+ --bsl;
+
+ for (i = 0; i < 4; ++i) {
+ const int offsetr = blk_row + ((i >> 1) << bsl);
+ const int offsetc = blk_col + ((i & 0x01) << bsl);
+ int step = num_4x4_blocks_txsize_lookup[tx_size - 1];
+
+ if (offsetr >= max_blocks_high || offsetc >= max_blocks_wide) continue;
+
+ pack_txb_tokens(w, tp, tok_end, xd, mbmi, plane, plane_bsize, bit_depth,
+ block + i * step, offsetr, offsetc, tx_size - 1);
+ }
+ }
+}
+#endif
+
+static void write_segment_id(vp10_writer *w, const struct segmentation *seg,
+ const struct segmentation_probs *segp,
+ int segment_id) {
+ if (seg->enabled && seg->update_map)
+ vp10_write_tree(w, vp10_segment_tree, segp->tree_probs, segment_id, 3, 0);
+}
+
+// This function encodes the reference frame
+static void write_ref_frames(const VP10_COMMON *cm, const MACROBLOCKD *xd,
+ vp10_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) {
+ vp10_write(w, is_compound, vp10_get_reference_mode_prob(cm, xd));
+ } 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
+
+ vp10_write(w, bit, vp10_get_pred_prob_comp_ref_p(cm, xd));
+
+#if CONFIG_EXT_REFS
+ if (!bit) {
+ const int bit1 = mbmi->ref_frame[0] == LAST_FRAME;
+ vp10_write(w, bit1, vp10_get_pred_prob_comp_ref_p1(cm, xd));
+ } else {
+ const int bit2 = mbmi->ref_frame[0] == GOLDEN_FRAME;
+ vp10_write(w, bit2, vp10_get_pred_prob_comp_ref_p2(cm, xd));
+ }
+ vp10_write(w, bit_bwd, vp10_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);
+ vp10_write(w, bit0, vp10_get_pred_prob_single_ref_p1(cm, xd));
+
+ if (bit0) {
+ const int bit1 = mbmi->ref_frame[0] == ALTREF_FRAME;
+ vp10_write(w, bit1, vp10_get_pred_prob_single_ref_p2(cm, xd));
+ } else {
+ const int bit2 = (mbmi->ref_frame[0] == LAST3_FRAME ||
+ mbmi->ref_frame[0] == GOLDEN_FRAME);
+ vp10_write(w, bit2, vp10_get_pred_prob_single_ref_p3(cm, xd));
+
+ if (!bit2) {
+ const int bit3 = mbmi->ref_frame[0] != LAST_FRAME;
+ vp10_write(w, bit3, vp10_get_pred_prob_single_ref_p4(cm, xd));
+ } else {
+ const int bit4 = mbmi->ref_frame[0] != LAST3_FRAME;
+ vp10_write(w, bit4, vp10_get_pred_prob_single_ref_p5(cm, xd));
+ }
+ }
+#else // CONFIG_EXT_REFS
+ const int bit0 = mbmi->ref_frame[0] != LAST_FRAME;
+ vp10_write(w, bit0, vp10_get_pred_prob_single_ref_p1(cm, xd));
+
+ if (bit0) {
+ const int bit1 = mbmi->ref_frame[0] != GOLDEN_FRAME;
+ vp10_write(w, bit1, vp10_get_pred_prob_single_ref_p2(cm, xd));
+ }
+#endif // CONFIG_EXT_REFS
+ }
+ }
+}
+
+#if CONFIG_EXT_INTRA
+static void write_ext_intra_mode_info(const VP10_COMMON *const cm,
+ const MB_MODE_INFO *const mbmi,
+ vp10_writer *w) {
+#if !ALLOW_FILTER_INTRA_MODES
+ return;
+#endif
+ if (mbmi->mode == DC_PRED && mbmi->palette_mode_info.palette_size[0] == 0) {
+ vp10_write(w, mbmi->ext_intra_mode_info.use_ext_intra_mode[0],
+ cm->fc->ext_intra_probs[0]);
+ if (mbmi->ext_intra_mode_info.use_ext_intra_mode[0]) {
+ EXT_INTRA_MODE mode = mbmi->ext_intra_mode_info.ext_intra_mode[0];
+ write_uniform(w, FILTER_INTRA_MODES, mode);
+ }
+ }
+
+ if (mbmi->uv_mode == DC_PRED &&
+ mbmi->palette_mode_info.palette_size[1] == 0) {
+ vp10_write(w, mbmi->ext_intra_mode_info.use_ext_intra_mode[1],
+ cm->fc->ext_intra_probs[1]);
+ if (mbmi->ext_intra_mode_info.use_ext_intra_mode[1]) {
+ EXT_INTRA_MODE mode = mbmi->ext_intra_mode_info.ext_intra_mode[1];
+ write_uniform(w, FILTER_INTRA_MODES, mode);
+ }
+ }
+}
+
+static void write_intra_angle_info(const VP10_COMMON *cm, const MACROBLOCKD *xd,
+ vp10_writer *w) {
+ const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+ const BLOCK_SIZE bsize = mbmi->sb_type;
+ const int intra_filter_ctx = vp10_get_pred_context_intra_interp(xd);
+ int p_angle;
+
+ if (bsize < BLOCK_8X8) return;
+
+ if (mbmi->mode != DC_PRED && mbmi->mode != TM_PRED) {
+ write_uniform(w, 2 * MAX_ANGLE_DELTAS + 1,
+ MAX_ANGLE_DELTAS + mbmi->angle_delta[0]);
+ p_angle = mode_to_angle_map[mbmi->mode] + mbmi->angle_delta[0] * ANGLE_STEP;
+ if (vp10_is_intra_filter_switchable(p_angle)) {
+ vp10_write_token(w, vp10_intra_filter_tree,
+ cm->fc->intra_filter_probs[intra_filter_ctx],
+ &intra_filter_encodings[mbmi->intra_filter]);
+ }
+ }
+
+ if (mbmi->uv_mode != DC_PRED && mbmi->uv_mode != TM_PRED) {
+ write_uniform(w, 2 * MAX_ANGLE_DELTAS + 1,
+ MAX_ANGLE_DELTAS + mbmi->angle_delta[1]);
+ }
+}
+#endif // CONFIG_EXT_INTRA
+
+static void write_switchable_interp_filter(VP10_COMP *cpi,
+ const MACROBLOCKD *xd,
+ vp10_writer *w) {
+ VP10_COMMON *const cm = &cpi->common;
+ const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+#if CONFIG_DUAL_FILTER
+ int dir;
+#endif
+ if (cm->interp_filter == SWITCHABLE) {
+#if CONFIG_EXT_INTERP
+#if CONFIG_DUAL_FILTER
+ if (!vp10_is_interp_needed(xd)) {
+ assert(mbmi->interp_filter[0] == EIGHTTAP_REGULAR);
+ return;
+ }
+#else
+ if (!vp10_is_interp_needed(xd)) {
+#if CONFIG_DUAL_FILTER
+ assert(mbmi->interp_filter[0] == EIGHTTAP_REGULAR);
+ assert(mbmi->interp_filter[1] == EIGHTTAP_REGULAR);
+#else
+ assert(mbmi->interp_filter == EIGHTTAP_REGULAR);
+#endif
+ return;
+ }
+#endif // CONFIG_DUAL_FILTER
+#endif // CONFIG_EXT_INTERP
+#if CONFIG_DUAL_FILTER
+ 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 = vp10_get_pred_context_switchable_interp(xd, dir);
+ vp10_write_token(
+ w, vp10_switchable_interp_tree, cm->fc->switchable_interp_prob[ctx],
+ &switchable_interp_encodings[mbmi->interp_filter[dir]]);
+ ++cpi->interp_filter_selected[0][mbmi->interp_filter[dir]];
+ }
+ }
+#else
+ {
+ const int ctx = vp10_get_pred_context_switchable_interp(xd);
+ vp10_write_token(w, vp10_switchable_interp_tree,
+ cm->fc->switchable_interp_prob[ctx],
+ &switchable_interp_encodings[mbmi->interp_filter]);
+ ++cpi->interp_filter_selected[0][mbmi->interp_filter];
+ }
+#endif
+ }
+}
+
+static void write_palette_mode_info(const VP10_COMMON *cm,
+ const MACROBLOCKD *xd,
+ const MODE_INFO *const mi, vp10_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;
+ int palette_ctx = 0;
+ int n, i;
+
+ if (mbmi->mode == DC_PRED) {
+ n = pmi->palette_size[0];
+ if (above_mi)
+ palette_ctx += (above_mi->mbmi.palette_mode_info.palette_size[0] > 0);
+ if (left_mi)
+ palette_ctx += (left_mi->mbmi.palette_mode_info.palette_size[0] > 0);
+ vp10_write(
+ w, n > 0,
+ vp10_default_palette_y_mode_prob[bsize - BLOCK_8X8][palette_ctx]);
+ if (n > 0) {
+ vp10_write_token(w, vp10_palette_size_tree,
+ vp10_default_palette_y_size_prob[bsize - BLOCK_8X8],
+ &palette_size_encodings[n - 2]);
+ for (i = 0; i < n; ++i)
+ vp10_write_literal(w, pmi->palette_colors[i], cm->bit_depth);
+ write_uniform(w, n, pmi->palette_first_color_idx[0]);
+ }
+ }
+
+ if (mbmi->uv_mode == DC_PRED) {
+ n = pmi->palette_size[1];
+ vp10_write(w, n > 0,
+ vp10_default_palette_uv_mode_prob[pmi->palette_size[0] > 0]);
+ if (n > 0) {
+ vp10_write_token(w, vp10_palette_size_tree,
+ vp10_default_palette_uv_size_prob[bsize - BLOCK_8X8],
+ &palette_size_encodings[n - 2]);
+ for (i = 0; i < n; ++i) {
+ vp10_write_literal(w, pmi->palette_colors[PALETTE_MAX_SIZE + i],
+ cm->bit_depth);
+ vp10_write_literal(w, pmi->palette_colors[2 * PALETTE_MAX_SIZE + i],
+ cm->bit_depth);
+ }
+ write_uniform(w, n, pmi->palette_first_color_idx[1]);
+ }
+ }
+}
+
+static void pack_inter_mode_mvs(VP10_COMP *cpi, const MODE_INFO *mi,
+#if CONFIG_SUPERTX
+ int supertx_enabled,
+#endif
+ vp10_writer *w) {
+ VP10_COMMON *const cm = &cpi->common;
+#if !CONFIG_REF_MV
+ const nmv_context *nmvc = &cm->fc->nmvc;
+#endif
+ const MACROBLOCK *x = &cpi->td.mb;
+ const MACROBLOCKD *xd = &x->e_mbd;
+ const struct segmentation *const seg = &cm->seg;
+ const 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 (seg->update_map) {
+ if (seg->temporal_update) {
+ const int pred_flag = mbmi->seg_id_predicted;
+ vpx_prob pred_prob = vp10_get_pred_prob_seg_id(segp, xd);
+ vp10_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_SUPERTX
+ if (!supertx_enabled)
+#endif // CONFIG_SUPERTX
+ if (!segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME))
+ vp10_write(w, is_inter, vp10_get_intra_inter_prob(cm, xd));
+
+ if (bsize >= BLOCK_8X8 && cm->tx_mode == TX_MODE_SELECT &&
+#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 = max_txsize_lookup[bsize];
+ const int txb_size = txsize_to_bsize[max_tx_size];
+ const int bs = num_4x4_blocks_wide_lookup[txb_size];
+ const int width = num_4x4_blocks_wide_lookup[bsize];
+ const int height = num_4x4_blocks_high_lookup[bsize];
+ int idx, idy;
+ for (idy = 0; idy < height; idy += bs)
+ for (idx = 0; idx < width; idx += bs)
+ write_tx_size_vartx(cm, xd, mbmi, max_tx_size, idy, idx, w);
+ } else {
+ set_txfm_ctxs(mbmi->tx_size, xd->n8_w, xd->n8_h, xd);
+ write_selected_tx_size(cm, xd, w);
+ }
+ } else {
+ set_txfm_ctxs(mbmi->tx_size, xd->n8_w, xd->n8_h, xd);
+#else
+ write_selected_tx_size(cm, xd, w);
+#endif
+ }
+
+ if (!is_inter) {
+ if (bsize >= BLOCK_8X8) {
+ write_intra_mode(w, mode, cm->fc->y_mode_prob[size_group_lookup[bsize]]);
+ } 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(w, b_mode, cm->fc->y_mode_prob[0]);
+ }
+ }
+ }
+ write_intra_mode(w, mbmi->uv_mode, cm->fc->uv_mode_prob[mode]);
+#if CONFIG_EXT_INTRA
+ write_intra_angle_info(cm, xd, w);
+#endif // CONFIG_EXT_INTRA
+ if (bsize >= BLOCK_8X8 && cm->allow_screen_content_tools)
+ write_palette_mode_info(cm, xd, mi, w);
+#if CONFIG_EXT_INTRA
+ if (bsize >= BLOCK_8X8) write_ext_intra_mode_info(cm, mbmi, w);
+#endif // CONFIG_EXT_INTRA
+ } else {
+ int16_t mode_ctx = mbmi_ext->mode_context[mbmi->ref_frame[0]];
+ 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 = vp10_mode_context_analyzer(mbmi_ext->mode_context,
+ mbmi->ref_frame, bsize, -1);
+#endif
+
+ // If segment skip is not enabled code the mode.
+ if (!segfeature_active(seg, segment_id, SEG_LVL_SKIP)) {
+ if (bsize >= BLOCK_8X8) {
+#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(cm, w, mode,
+#if CONFIG_REF_MV && CONFIG_EXT_INTER
+ is_compound,
+#endif // CONFIG_REF_MV && CONFIG_EXT_INTER
+ mode_ctx);
+
+#if CONFIG_REF_MV
+ if (mode == NEARMV || mode == NEWMV)
+ write_drl_idx(cm, mbmi, mbmi_ext, w);
+#endif
+ }
+ }
+
+#if !CONFIG_EXT_INTERP && !CONFIG_DUAL_FILTER
+ write_switchable_interp_filter(cpi, xd, w);
+#endif // !CONFIG_EXT_INTERP
+
+ if (bsize < BLOCK_8X8) {
+ 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 = vp10_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(cm, w, b_mode,
+#if CONFIG_REF_MV && CONFIG_EXT_INTER
+ has_second_ref(mbmi),
+#endif // CONFIG_REF_MV && CONFIG_EXT_INTER
+ mode_ctx);
+
+#if CONFIG_EXT_INTER
+ if (b_mode == NEWMV || b_mode == NEWFROMNEARMV ||
+ 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
+ int nmv_ctx =
+ vp10_nmv_ctx(mbmi_ext->ref_mv_count[mbmi->ref_frame[ref]],
+ mbmi_ext->ref_mv_stack[mbmi->ref_frame[ref]]);
+ const nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx];
+#endif
+ vp10_encode_mv(cpi, w, &mi->bmi[j].as_mv[ref].as_mv,
+#if CONFIG_EXT_INTER
+ &mi->bmi[j].ref_mv[ref].as_mv,
+#if CONFIG_REF_MV
+ is_compound,
+#endif
+#else
+#if CONFIG_REF_MV
+ &mi->bmi[j].pred_mv_s8[ref].as_mv, is_compound,
+#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
+ int nmv_ctx =
+ vp10_nmv_ctx(mbmi_ext->ref_mv_count[mbmi->ref_frame[1]],
+ mbmi_ext->ref_mv_stack[mbmi->ref_frame[1]]);
+ const nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx];
+#endif
+ vp10_encode_mv(cpi, w, &mi->bmi[j].as_mv[1].as_mv,
+ &mi->bmi[j].ref_mv[1].as_mv,
+#if CONFIG_REF_MV
+ is_compound,
+#endif
+ nmvc, allow_hp);
+ } else if (b_mode == NEW_NEARESTMV || b_mode == NEW_NEARMV) {
+#if CONFIG_REF_MV
+ int nmv_ctx =
+ vp10_nmv_ctx(mbmi_ext->ref_mv_count[mbmi->ref_frame[0]],
+ mbmi_ext->ref_mv_stack[mbmi->ref_frame[0]]);
+ const nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx];
+#endif
+ vp10_encode_mv(cpi, w, &mi->bmi[j].as_mv[0].as_mv,
+ &mi->bmi[j].ref_mv[0].as_mv,
+#if CONFIG_REF_MV
+ is_compound,
+#endif
+ nmvc, allow_hp);
+ }
+#endif // CONFIG_EXT_INTER
+ }
+ }
+ } else {
+#if CONFIG_EXT_INTER
+ if (mode == NEWMV || mode == NEWFROMNEARMV || 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
+ int nmv_ctx =
+ vp10_nmv_ctx(mbmi_ext->ref_mv_count[mbmi->ref_frame[ref]],
+ mbmi_ext->ref_mv_stack[mbmi->ref_frame[ref]]);
+ const nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx];
+#endif
+ ref_mv = mbmi_ext->ref_mvs[mbmi->ref_frame[ref]][0];
+#if CONFIG_EXT_INTER
+ if (mode == NEWFROMNEARMV)
+ vp10_encode_mv(cpi, w, &mbmi->mv[ref].as_mv,
+ &mbmi_ext->ref_mvs[mbmi->ref_frame[ref]][1].as_mv,
+#if CONFIG_REF_MV
+ is_compound,
+#endif
+ nmvc, allow_hp);
+ else
+#endif // CONFIG_EXT_INTER
+ vp10_encode_mv(cpi, w, &mbmi->mv[ref].as_mv, &ref_mv.as_mv,
+#if CONFIG_REF_MV
+ is_compound,
+#endif
+ nmvc, allow_hp);
+ }
+#if CONFIG_EXT_INTER
+ } else if (mode == NEAREST_NEWMV || mode == NEAR_NEWMV) {
+#if CONFIG_REF_MV
+ int nmv_ctx = vp10_nmv_ctx(mbmi_ext->ref_mv_count[mbmi->ref_frame[1]],
+ mbmi_ext->ref_mv_stack[mbmi->ref_frame[1]]);
+ const nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx];
+#endif
+ vp10_encode_mv(cpi, w, &mbmi->mv[1].as_mv,
+ &mbmi_ext->ref_mvs[mbmi->ref_frame[1]][0].as_mv,
+#if CONFIG_REF_MV
+ is_compound,
+#endif
+ nmvc, allow_hp);
+ } else if (mode == NEW_NEARESTMV || mode == NEW_NEARMV) {
+#if CONFIG_REF_MV
+ int nmv_ctx = vp10_nmv_ctx(mbmi_ext->ref_mv_count[mbmi->ref_frame[0]],
+ mbmi_ext->ref_mv_stack[mbmi->ref_frame[0]]);
+ const nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx];
+#endif
+ vp10_encode_mv(cpi, w, &mbmi->mv[0].as_mv,
+ &mbmi_ext->ref_mvs[mbmi->ref_frame[0]][0].as_mv,
+#if CONFIG_REF_MV
+ is_compound,
+#endif
+ 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];
+ vp10_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)) {
+ vp10_write(w, mbmi->use_wedge_interintra,
+ cm->fc->wedge_interintra_prob[bsize]);
+ if (mbmi->use_wedge_interintra) {
+ vp10_write_literal(w, mbmi->interintra_wedge_index,
+ get_wedge_bits_lookup(bsize));
+ assert(mbmi->interintra_wedge_sign == 0);
+ }
+ }
+ }
+ }
+#endif // CONFIG_EXT_INTER
+
+#if CONFIG_OBMC || 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
+ if (is_motvar_allowed(mbmi)) {
+ // TODO(debargha): Might want to only emit this if SEG_LVL_SKIP
+ // is not active, and assume SIMPLE_TRANSLATION in the decoder if
+ // it is active.
+ assert(mbmi->motion_variation < MOTION_VARIATIONS);
+ vp10_write_token(w, vp10_motvar_tree, cm->fc->motvar_prob[bsize],
+ &motvar_encodings[mbmi->motion_variation]);
+ }
+#endif // CONFIG_OBMC || CONFIG_WARPED_MOTION
+
+#if CONFIG_EXT_INTER
+ if (cpi->common.reference_mode != SINGLE_REFERENCE &&
+ is_inter_compound_mode(mbmi->mode) &&
+#if CONFIG_OBMC
+ !(is_motvar_allowed(mbmi) &&
+ mbmi->motion_variation != SIMPLE_TRANSLATION) &&
+#endif // CONFIG_OBMC
+ is_interinter_wedge_used(bsize)) {
+ vp10_write(w, mbmi->use_wedge_interinter,
+ cm->fc->wedge_interinter_prob[bsize]);
+ if (mbmi->use_wedge_interinter) {
+ vp10_write_literal(w, mbmi->interinter_wedge_index,
+ get_wedge_bits_lookup(bsize));
+ vp10_write_bit(w, mbmi->interinter_wedge_sign);
+ }
+ }
+#endif // CONFIG_EXT_INTER
+
+#if CONFIG_EXT_INTERP || CONFIG_DUAL_FILTER
+ write_switchable_interp_filter(cpi, xd, w);
+#endif // CONFIG_EXT_INTERP
+ }
+
+ if (!FIXED_TX_TYPE) {
+#if CONFIG_EXT_TX
+ if (get_ext_tx_types(mbmi->tx_size, bsize, is_inter) > 1 &&
+ cm->base_qindex > 0 && !mbmi->skip &&
+#if CONFIG_SUPERTX
+ !supertx_enabled &&
+#endif // CONFIG_SUPERTX
+ !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
+ int eset = get_ext_tx_set(mbmi->tx_size, bsize, is_inter);
+ if (is_inter) {
+ assert(ext_tx_used_inter[eset][mbmi->tx_type]);
+ if (eset > 0)
+ vp10_write_token(
+ w, vp10_ext_tx_inter_tree[eset],
+ cm->fc->inter_ext_tx_prob[eset][txsize_sqr_map[mbmi->tx_size]],
+ &ext_tx_inter_encodings[eset][mbmi->tx_type]);
+ } else if (ALLOW_INTRA_EXT_TX) {
+ if (eset > 0)
+ vp10_write_token(
+ w, vp10_ext_tx_intra_tree[eset],
+ cm->fc->intra_ext_tx_prob[eset][mbmi->tx_size][mbmi->mode],
+ &ext_tx_intra_encodings[eset][mbmi->tx_type]);
+ }
+ }
+#else
+ if (mbmi->tx_size < TX_32X32 && cm->base_qindex > 0 && !mbmi->skip &&
+#if CONFIG_SUPERTX
+ !supertx_enabled &&
+#endif // CONFIG_SUPERTX
+ !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
+ if (is_inter) {
+ vp10_write_token(w, vp10_ext_tx_tree,
+ cm->fc->inter_ext_tx_prob[mbmi->tx_size],
+ &ext_tx_encodings[mbmi->tx_type]);
+ } else {
+ vp10_write_token(
+ w, vp10_ext_tx_tree,
+ cm->fc->intra_ext_tx_prob
+ [mbmi->tx_size][intra_mode_to_tx_type_context[mbmi->mode]],
+ &ext_tx_encodings[mbmi->tx_type]);
+ }
+ } else {
+ if (!mbmi->skip) {
+#if CONFIG_SUPERTX
+ if (!supertx_enabled)
+#endif // CONFIG_SUPERTX
+ assert(mbmi->tx_type == DCT_DCT);
+ }
+ }
+#endif // CONFIG_EXT_TX
+ }
+}
+
+static void write_mb_modes_kf(const VP10_COMMON *cm, const MACROBLOCKD *xd,
+ MODE_INFO **mi_8x8, vp10_writer *w) {
+ const struct segmentation *const seg = &cm->seg;
+ const struct segmentation_probs *const segp = &cm->fc->seg;
+ const MODE_INFO *const mi = mi_8x8[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 (seg->update_map) write_segment_id(w, seg, segp, mbmi->segment_id);
+
+ write_skip(cm, xd, mbmi->segment_id, mi, w);
+
+ if (bsize >= BLOCK_8X8 && cm->tx_mode == TX_MODE_SELECT &&
+ !xd->lossless[mbmi->segment_id])
+ write_selected_tx_size(cm, xd, w);
+
+ if (bsize >= BLOCK_8X8) {
+ write_intra_mode(w, mbmi->mode,
+ get_y_mode_probs(cm, mi, above_mi, left_mi, 0));
+ } 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(w, mi->bmi[block].as_mode,
+ get_y_mode_probs(cm, mi, above_mi, left_mi, block));
+ }
+ }
+ }
+
+ write_intra_mode(w, mbmi->uv_mode, cm->fc->uv_mode_prob[mbmi->mode]);
+#if CONFIG_EXT_INTRA
+ write_intra_angle_info(cm, xd, w);
+#endif // CONFIG_EXT_INTRA
+ if (bsize >= BLOCK_8X8 && cm->allow_screen_content_tools)
+ write_palette_mode_info(cm, xd, mi, w);
+#if CONFIG_EXT_INTRA
+ if (bsize >= BLOCK_8X8) write_ext_intra_mode_info(cm, mbmi, w);
+#endif // CONFIG_EXT_INTRA
+
+ if (!FIXED_TX_TYPE) {
+#if CONFIG_EXT_TX
+ if (get_ext_tx_types(mbmi->tx_size, bsize, 0) > 1 && cm->base_qindex > 0 &&
+ !mbmi->skip &&
+ !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP) &&
+ ALLOW_INTRA_EXT_TX) {
+ int eset = get_ext_tx_set(mbmi->tx_size, bsize, 0);
+ if (eset > 0)
+ vp10_write_token(
+ w, vp10_ext_tx_intra_tree[eset],
+ cm->fc->intra_ext_tx_prob[eset][mbmi->tx_size][mbmi->mode],
+ &ext_tx_intra_encodings[eset][mbmi->tx_type]);
+ }
+#else
+ if (mbmi->tx_size < TX_32X32 && cm->base_qindex > 0 && !mbmi->skip &&
+ !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
+ vp10_write_token(
+ w, vp10_ext_tx_tree,
+ cm->fc->intra_ext_tx_prob[mbmi->tx_size]
+ [intra_mode_to_tx_type_context[mbmi->mode]],
+ &ext_tx_encodings[mbmi->tx_type]);
+ }
+#endif // CONFIG_EXT_TX
+ }
+}
+
+#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_ANS && CONFIG_SUPERTX
+
+static void write_modes_b(VP10_COMP *cpi, const TileInfo *const tile,
+ vp10_writer *w, const TOKENEXTRA **tok,
+ const TOKENEXTRA *const tok_end,
+#if CONFIG_SUPERTX
+ int supertx_enabled,
+#endif
+ int mi_row, int mi_col) {
+ VP10_COMMON *const cm = &cpi->common;
+ MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
+ MODE_INFO *m;
+ int plane;
+ int bh, bw;
+#if CONFIG_ANS
+ (void)tok;
+ (void)tok_end;
+ (void)plane;
+#endif // !CONFIG_ANS
+
+ 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 = num_8x8_blocks_high_lookup[m->mbmi.sb_type];
+ bw = num_8x8_blocks_wide_lookup[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, cm->mi_rows, cm->mi_cols);
+ if (frame_is_intra_only(cm)) {
+ write_mb_modes_kf(cm, xd, xd->mi, 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_EXT_INTERP
+ // vp10_is_interp_needed needs the ref frame buffers set up to look
+ // up if they are scaled. vp10_is_interp_needed 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_EXT_INTERP
+#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, m,
+#if CONFIG_SUPERTX
+ supertx_enabled,
+#endif
+ w);
+ }
+
+ for (plane = 0; plane <= 1; ++plane) {
+ if (m->mbmi.palette_mode_info.palette_size[plane] > 0) {
+ const int rows = (4 * num_4x4_blocks_high_lookup[m->mbmi.sb_type]) >>
+ (xd->plane[plane].subsampling_y);
+ const int cols = (4 * num_4x4_blocks_wide_lookup[m->mbmi.sb_type]) >>
+ (xd->plane[plane].subsampling_x);
+ assert(*tok < tok_end);
+ pack_palette_tokens(w, tok, m->mbmi.palette_mode_info.palette_size[plane],
+ rows * cols - 1);
+ assert(*tok < tok_end + m->mbmi.skip);
+ }
+ }
+
+#if CONFIG_SUPERTX
+ if (supertx_enabled) return;
+#endif // CONFIG_SUPERTX
+
+ if (!m->mbmi.skip) {
+ assert(*tok < tok_end);
+ for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
+#if CONFIG_VAR_TX
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ MB_MODE_INFO *mbmi = &m->mbmi;
+ BLOCK_SIZE bsize = mbmi->sb_type;
+ const BLOCK_SIZE plane_bsize =
+ get_plane_block_size(VPXMAX(bsize, BLOCK_8X8), pd);
+
+ const int num_4x4_w = num_4x4_blocks_wide_lookup[plane_bsize];
+ const int num_4x4_h = num_4x4_blocks_high_lookup[plane_bsize];
+ int row, col;
+#if CONFIG_EXT_TX && CONFIG_RECT_TX
+ TX_SIZE tx_size =
+ plane ? get_uv_tx_size(mbmi, &xd->plane[plane]) : mbmi->tx_size;
+
+ if (is_inter_block(mbmi) && tx_size < TX_SIZES) {
+#else
+ if (is_inter_block(mbmi)) {
+#endif
+ const TX_SIZE max_tx_size = max_txsize_lookup[plane_bsize];
+ const BLOCK_SIZE txb_size = txsize_to_bsize[max_tx_size];
+ int bw = num_4x4_blocks_wide_lookup[txb_size];
+ int block = 0;
+ const int step = num_4x4_blocks_txsize_lookup[max_tx_size];
+ for (row = 0; row < num_4x4_h; row += bw) {
+ for (col = 0; col < num_4x4_w; col += bw) {
+ pack_txb_tokens(w, tok, tok_end, xd, mbmi, plane, plane_bsize,
+ cm->bit_depth, block, row, col, max_tx_size);
+ block += step;
+ }
+ }
+ } else {
+ TX_SIZE tx = plane ? get_uv_tx_size(&m->mbmi, &xd->plane[plane])
+ : m->mbmi.tx_size;
+ BLOCK_SIZE txb_size = txsize_to_bsize[tx];
+ int bw = num_4x4_blocks_wide_lookup[txb_size];
+ int bh = num_4x4_blocks_high_lookup[txb_size];
+
+ for (row = 0; row < num_4x4_h; row += bh)
+ for (col = 0; col < num_4x4_w; col += bw)
+ pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx);
+ }
+#else
+ TX_SIZE tx =
+ plane ? get_uv_tx_size(&m->mbmi, &xd->plane[plane]) : m->mbmi.tx_size;
+ pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx);
+#endif // CONFIG_VAR_TX
+ assert(*tok < tok_end && (*tok)->token == EOSB_TOKEN);
+ (*tok)++;
+ }
+ }
+}
+
+static void write_partition(const VP10_COMMON *const cm,
+ const MACROBLOCKD *const xd, int hbs, int mi_row,
+ int mi_col, PARTITION_TYPE p, BLOCK_SIZE bsize,
+ vp10_writer *w) {
+ const int ctx = partition_plane_context(xd, mi_row, mi_col, bsize);
+ const vpx_prob *const probs = cm->fc->partition_prob[ctx];
+ const int has_rows = (mi_row + hbs) < cm->mi_rows;
+ const int has_cols = (mi_col + hbs) < cm->mi_cols;
+
+ if (has_rows && has_cols) {
+#if CONFIG_EXT_PARTITION_TYPES
+ if (bsize <= BLOCK_8X8)
+ vp10_write_token(w, vp10_partition_tree, probs, &partition_encodings[p]);
+ else
+ vp10_write_token(w, vp10_ext_partition_tree, probs,
+ &ext_partition_encodings[p]);
+#else
+ vp10_write_token(w, vp10_partition_tree, probs, &partition_encodings[p]);
+#endif // CONFIG_EXT_PARTITION_TYPES
+ } else if (!has_rows && has_cols) {
+ assert(p == PARTITION_SPLIT || p == PARTITION_HORZ);
+ vp10_write(w, p == PARTITION_SPLIT, probs[1]);
+ } else if (has_rows && !has_cols) {
+ assert(p == PARTITION_SPLIT || p == PARTITION_VERT);
+ vp10_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_ANS && CONFIG_SUPERTX
+
+static void write_modes_sb(VP10_COMP *const cpi, const TileInfo *const tile,
+ vp10_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 VP10_COMMON *const cm = &cpi->common;
+ MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
+ const int hbs = num_8x8_blocks_wide_lookup[bsize] / 2;
+ const PARTITION_TYPE partition = get_partition(cm, mi_row, mi_col, bsize);
+ const BLOCK_SIZE subsize = get_subsize(bsize, partition);
+#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, num_8x8_blocks_high_lookup[bsize], mi_col,
+ num_8x8_blocks_wide_lookup[bsize], 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]) {
+ vpx_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);
+ vp10_write(w, supertx_enabled, prob);
+ }
+#endif // CONFIG_SUPERTX
+ if (subsize < BLOCK_8X8) {
+ 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;
+ xd->mi = cm->mi_grid_visible + mi_offset;
+ supertx_size = mbmi->tx_size;
+ set_mi_row_col(xd, tile, mi_row, num_8x8_blocks_high_lookup[bsize], mi_col,
+ num_8x8_blocks_wide_lookup[bsize], 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) > 1 && !skip) {
+ int eset = get_ext_tx_set(supertx_size, bsize, 1);
+ if (eset > 0) {
+ vp10_write_token(w, vp10_ext_tx_inter_tree[eset],
+ cm->fc->inter_ext_tx_prob[eset][supertx_size],
+ &ext_tx_inter_encodings[eset][mbmi->tx_type]);
+ }
+ }
+#else
+ if (supertx_size < TX_32X32 && !skip) {
+ vp10_write_token(w, vp10_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 int mbmi_txb_size = txsize_to_bsize[mbmi->tx_size];
+ const int num_4x4_w = num_4x4_blocks_wide_lookup[mbmi_txb_size];
+ const int num_4x4_h = num_4x4_blocks_high_lookup[mbmi_txb_size];
+ int row, col;
+ TX_SIZE tx =
+ plane ? get_uv_tx_size(mbmi, &xd->plane[plane]) : mbmi->tx_size;
+ BLOCK_SIZE txb_size = txsize_to_bsize[tx];
+ int bw = num_4x4_blocks_wide_lookup[txb_size];
+
+ for (row = 0; row < num_4x4_h; row += bw)
+ for (col = 0; col < num_4x4_w; col += bw)
+ pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx);
+ assert(*tok < tok_end && (*tok)->token == EOSB_TOKEN);
+ (*tok)++;
+ }
+ }
+ }
+#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);
+
+#if DERING_REFINEMENT
+ if (bsize == BLOCK_64X64 && cm->dering_level != 0 &&
+ !sb_all_skip(cm, mi_row, mi_col)) {
+ vpx_write_literal(
+ w,
+ cm->mi_grid_visible[mi_row * cm->mi_stride + mi_col]->mbmi.dering_gain,
+ DERING_REFINEMENT_BITS);
+ }
+#endif
+#endif // CONFIG_EXT_PARTITION_TYPES
+}
+
+static void write_modes(VP10_COMP *const cpi, const TileInfo *const tile,
+ vp10_writer *const w, const TOKENEXTRA **tok,
+ const TOKENEXTRA *const tok_end) {
+ VP10_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;
+
+ vp10_zero_above_context(cm, mi_col_start, mi_col_end);
+
+ for (mi_row = mi_row_start; mi_row < mi_row_end; mi_row += cm->mib_size) {
+ vp10_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);
+ }
+ }
+}
+
+static void build_tree_distribution(VP10_COMP *cpi, TX_SIZE tx_size,
+ vp10_coeff_stats *coef_branch_ct,
+ vp10_coeff_probs_model *coef_probs) {
+ vp10_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;
+
+ 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) {
+ vp10_tree_probs_from_distribution(vp10_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]);
+ }
+ }
+ }
+ }
+}
+
+static void update_coef_probs_common(vp10_writer *const bc, VP10_COMP *cpi,
+ TX_SIZE tx_size,
+ vp10_coeff_stats *frame_branch_ct,
+ vp10_coeff_probs_model *new_coef_probs) {
+ vp10_coeff_probs_model *old_coef_probs = cpi->common.fc->coef_probs[tx_size];
+ const vpx_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;
+
+ 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) {
+ vpx_prob newp = new_coef_probs[i][j][k][l][t];
+ const vpx_prob oldp = old_coef_probs[i][j][k][l][t];
+ int s;
+ int u = 0;
+ if (t == PIVOT_NODE)
+ s = vp10_prob_diff_update_savings_search_model(
+ frame_branch_ct[i][j][k][l][0],
+ old_coef_probs[i][j][k][l], &newp, upd, stepsize);
+ else
+ s = vp10_prob_diff_update_savings_search(
+ frame_branch_ct[i][j][k][l][t], oldp, &newp, upd);
+ if (s > 0 && newp != oldp) u = 1;
+ if (u)
+ savings += s - (int)(vp10_cost_zero(upd));
+ else
+ savings -= (int)(vp10_cost_zero(upd));
+ update[u]++;
+ }
+ }
+ }
+ }
+ }
+
+ /* Is coef updated at all */
+ if (update[1] == 0 || savings < 0) {
+ vp10_write_bit(bc, 0);
+ return;
+ }
+ vp10_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) {
+ vpx_prob newp = new_coef_probs[i][j][k][l][t];
+ vpx_prob *oldp = old_coef_probs[i][j][k][l] + t;
+ const vpx_prob upd = DIFF_UPDATE_PROB;
+ int s;
+ int u = 0;
+ if (t == PIVOT_NODE)
+ s = vp10_prob_diff_update_savings_search_model(
+ frame_branch_ct[i][j][k][l][0],
+ old_coef_probs[i][j][k][l], &newp, upd, stepsize);
+ else
+ s = vp10_prob_diff_update_savings_search(
+ frame_branch_ct[i][j][k][l][t], *oldp, &newp, upd);
+ if (s > 0 && newp != *oldp) u = 1;
+ vp10_write(bc, u, upd);
+ if (u) {
+ /* send/use new probability */
+ vp10_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) {
+ vpx_prob newp = new_coef_probs[i][j][k][l][t];
+ vpx_prob *oldp = old_coef_probs[i][j][k][l] + t;
+ int s;
+ int u = 0;
+
+ if (t == PIVOT_NODE) {
+ s = vp10_prob_diff_update_savings_search_model(
+ frame_branch_ct[i][j][k][l][0],
+ old_coef_probs[i][j][k][l], &newp, upd, stepsize);
+ } else {
+ s = vp10_prob_diff_update_savings_search(
+ frame_branch_ct[i][j][k][l][t], *oldp, &newp, upd);
+ }
+
+ 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
+ vp10_write_bit(bc, 1);
+ for (v = 0; v < noupdates_before_first; ++v)
+ vp10_write(bc, 0, upd);
+ }
+ vp10_write(bc, u, upd);
+ if (u) {
+ /* send/use new probability */
+ vp10_write_prob_diff_update(bc, newp, *oldp);
+ *oldp = newp;
+ }
+ }
+ }
+ }
+ }
+ }
+ if (updates == 0) {
+ vp10_write_bit(bc, 0); // no updates
+ }
+ return;
+ }
+ default: assert(0);
+ }
+}
+
+#if CONFIG_ENTROPY
+// Calculate the token counts between subsequent subframe updates.
+static void get_coef_counts_diff(
+ VP10_COMP *cpi, int index,
+ vp10_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 TX_SIZE 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 = TX_4X4; 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(
+ vp10_writer *const bc, VP10_COMP *cpi, TX_SIZE tx_size,
+ vp10_coeff_stats branch_ct[COEF_PROBS_BUFS][TX_SIZES][PLANE_TYPES],
+ vp10_coeff_probs_model *new_coef_probs) {
+ vp10_coeff_probs_model *old_coef_probs = cpi->common.fc->coef_probs[tx_size];
+ const vpx_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) {
+ vpx_prob newp = new_coef_probs[i][j][k][l][t];
+ const vpx_prob oldp = old_coef_probs[i][j][k][l][t];
+ int s, u = 0;
+
+ if (t == PIVOT_NODE)
+ s = vp10_prob_update_search_model_subframe(
+ this_branch_ct, old_coef_probs[i][j][k][l], &newp, upd,
+ stepsize, max_idx);
+ else
+ s = vp10_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)(vp10_cost_zero(upd));
+ else
+ savings -= (int)(vp10_cost_zero(upd));
+ update[u]++;
+ }
+ }
+ }
+ }
+ }
+
+ /* Is coef updated at all */
+ if (update[1] == 0 || savings < 0) {
+ vp10_write_bit(bc, 0);
+ return;
+ }
+ vp10_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) {
+ vpx_prob newp = new_coef_probs[i][j][k][l][t];
+ vpx_prob *oldp = old_coef_probs[i][j][k][l] + t;
+ const vpx_prob upd = DIFF_UPDATE_PROB;
+ int s;
+ int u = 0;
+
+ if (t == PIVOT_NODE)
+ s = vp10_prob_update_search_model_subframe(
+ this_branch_ct, old_coef_probs[i][j][k][l], &newp, upd,
+ stepsize, max_idx);
+ else
+ s = vp10_prob_update_search_subframe(this_branch_ct[t], *oldp,
+ &newp, upd, max_idx);
+ if (s > 0 && newp != *oldp) u = 1;
+ vp10_write(bc, u, upd);
+ if (u) {
+ /* send/use new probability */
+ vp10_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) {
+ vpx_prob newp = new_coef_probs[i][j][k][l][t];
+ vpx_prob *oldp = old_coef_probs[i][j][k][l] + t;
+ int s;
+ int u = 0;
+
+ if (t == PIVOT_NODE)
+ s = vp10_prob_update_search_model_subframe(
+ this_branch_ct, old_coef_probs[i][j][k][l], &newp, upd,
+ stepsize, max_idx);
+ else
+ s = vp10_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
+ vp10_write_bit(bc, 1);
+ for (v = 0; v < noupdates_before_first; ++v)
+ vp10_write(bc, 0, upd);
+ }
+ vp10_write(bc, u, upd);
+ if (u) {
+ /* send/use new probability */
+ vp10_write_prob_diff_update(bc, newp, *oldp);
+ *oldp = newp;
+ }
+ }
+ }
+ }
+ }
+ }
+ if (updates == 0) {
+ vp10_write_bit(bc, 0); // no updates
+ }
+ return;
+ }
+ default: assert(0);
+ }
+}
+#endif // CONFIG_ENTROPY
+
+static void update_coef_probs(VP10_COMP *cpi, vp10_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_ANS
+ int update = 0;
+#endif // CONFIG_ANS
+#if CONFIG_ENTROPY
+ VP10_COMMON *cm = &cpi->common;
+ SUBFRAME_STATS *subframe_stats = &cpi->subframe_stats;
+ unsigned int eob_counts_copy[TX_SIZES][PLANE_TYPES][REF_TYPES][COEF_BANDS]
+ [COEFF_CONTEXTS];
+ int i;
+ vp10_coeff_probs_model dummy_frame_coef_probs[PLANE_TYPES];
+
+ if (cm->do_subframe_update &&
+ cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD) {
+ vp10_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_ENTROPY
+
+ for (tx_size = TX_4X4; tx_size <= max_tx_size; ++tx_size) {
+ vp10_coeff_stats frame_branch_ct[PLANE_TYPES];
+ vp10_coeff_probs_model frame_coef_probs[PLANE_TYPES];
+ if (cpi->td.counts->tx_size_totals[tx_size] <= 20 ||
+ (tx_size >= TX_16X16 && cpi->sf.tx_size_search_method == USE_TX_8X8)) {
+ vp10_write_bit(w, 0);
+ } else {
+#if CONFIG_ENTROPY
+ if (cm->do_subframe_update &&
+ cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD) {
+ unsigned int
+ eob_counts_copy[PLANE_TYPES][REF_TYPES][COEF_BANDS][COEFF_CONTEXTS];
+ vp10_coeff_count coef_counts_copy[PLANE_TYPES];
+ vp10_copy(eob_counts_copy, cpi->common.counts.eob_branch[tx_size]);
+ vp10_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) {
+ vp10_copy(cpi->common.counts.eob_branch[tx_size],
+ cpi->wholeframe_stats.eob_counts_buf[i][tx_size]);
+ vp10_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);
+ }
+ vp10_copy(cpi->common.counts.eob_branch[tx_size], eob_counts_copy);
+ vp10_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);
+#if CONFIG_ANS
+ update = 1;
+#endif // CONFIG_ANS
+ } else {
+#endif // CONFIG_ENTROPY
+ 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_ANS
+ update = 1;
+#endif // CONFIG_ANS
+#if CONFIG_ENTROPY
+ }
+#endif // CONFIG_ENTROPY
+ }
+ }
+
+#if CONFIG_ENTROPY
+ vp10_copy(cm->starting_coef_probs, cm->fc->coef_probs);
+ vp10_copy(subframe_stats->coef_probs_buf[0], cm->fc->coef_probs);
+ if (cm->do_subframe_update &&
+ cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD) {
+ vp10_copy(eob_counts_copy, cm->counts.eob_branch);
+ for (i = 1; i <= cpi->common.coef_probs_update_idx; ++i) {
+ for (tx_size = TX_4X4; tx_size <= max_tx_size; ++tx_size)
+ vp10_full_to_model_counts(cm->counts.coef[tx_size],
+ subframe_stats->coef_counts_buf[i][tx_size]);
+ vp10_copy(cm->counts.eob_branch, subframe_stats->eob_counts_buf[i]);
+ vp10_partial_adapt_probs(cm, 0, 0);
+ vp10_copy(subframe_stats->coef_probs_buf[i], cm->fc->coef_probs);
+ }
+ vp10_copy(cm->fc->coef_probs, subframe_stats->coef_probs_buf[0]);
+ vp10_copy(cm->counts.eob_branch, eob_counts_copy);
+ }
+#endif // CONFIG_ENTROPY
+#if CONFIG_ANS
+ if (update) vp10_coef_pareto_cdfs(cpi->common.fc);
+#endif // CONFIG_ANS
+}
+
+#if CONFIG_LOOP_RESTORATION
+static void encode_restoration(VP10_COMMON *cm,
+ struct vpx_write_bit_buffer *wb) {
+ int i;
+ RestorationInfo *rst = &cm->rst_info;
+ vpx_wb_write_bit(wb, rst->restoration_type != RESTORE_NONE);
+ if (rst->restoration_type != RESTORE_NONE) {
+ if (rst->restoration_type == RESTORE_BILATERAL) {
+ vpx_wb_write_bit(wb, 1);
+ for (i = 0; i < cm->rst_internal.ntiles; ++i) {
+ if (rst->bilateral_level[i] >= 0) {
+ vpx_wb_write_bit(wb, 1);
+ vpx_wb_write_literal(wb, rst->bilateral_level[i],
+ vp10_bilateral_level_bits(cm));
+ } else {
+ vpx_wb_write_bit(wb, 0);
+ }
+ }
+ } else {
+ vpx_wb_write_bit(wb, 0);
+ for (i = 0; i < cm->rst_internal.ntiles; ++i) {
+ if (rst->wiener_level[i]) {
+ vpx_wb_write_bit(wb, 1);
+ vpx_wb_write_literal(wb, rst->vfilter[i][0] - WIENER_FILT_TAP0_MINV,
+ WIENER_FILT_TAP0_BITS);
+ vpx_wb_write_literal(wb, rst->vfilter[i][1] - WIENER_FILT_TAP1_MINV,
+ WIENER_FILT_TAP1_BITS);
+ vpx_wb_write_literal(wb, rst->vfilter[i][2] - WIENER_FILT_TAP2_MINV,
+ WIENER_FILT_TAP2_BITS);
+ vpx_wb_write_literal(wb, rst->hfilter[i][0] - WIENER_FILT_TAP0_MINV,
+ WIENER_FILT_TAP0_BITS);
+ vpx_wb_write_literal(wb, rst->hfilter[i][1] - WIENER_FILT_TAP1_MINV,
+ WIENER_FILT_TAP1_BITS);
+ vpx_wb_write_literal(wb, rst->hfilter[i][2] - WIENER_FILT_TAP2_MINV,
+ WIENER_FILT_TAP2_BITS);
+ } else {
+ vpx_wb_write_bit(wb, 0);
+ }
+ }
+ }
+ }
+}
+#endif // CONFIG_LOOP_RESTORATION
+
+static void encode_loopfilter(VP10_COMMON *cm,
+ struct vpx_write_bit_buffer *wb) {
+ int i;
+ struct loopfilter *lf = &cm->lf;
+
+ // Encode the loop filter level and type
+ vpx_wb_write_literal(wb, lf->filter_level, 6);
+ vpx_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).
+ vpx_wb_write_bit(wb, lf->mode_ref_delta_enabled);
+
+ if (lf->mode_ref_delta_enabled) {
+ vpx_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];
+ vpx_wb_write_bit(wb, changed);
+ if (changed) {
+ lf->last_ref_deltas[i] = delta;
+ vpx_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];
+ vpx_wb_write_bit(wb, changed);
+ if (changed) {
+ lf->last_mode_deltas[i] = delta;
+ vpx_wb_write_inv_signed_literal(wb, delta, 6);
+ }
+ }
+ }
+ }
+}
+
+#if CONFIG_CLPF
+static void encode_clpf(const VP10_COMMON *cm,
+ struct vpx_write_bit_buffer *wb) {
+ vpx_wb_write_literal(wb, cm->clpf, 1);
+}
+#endif
+
+#if CONFIG_DERING
+static void encode_dering(int level, struct vpx_write_bit_buffer *wb) {
+ vpx_wb_write_literal(wb, level, DERING_LEVEL_BITS);
+}
+#endif // CONFIG_DERING
+
+static void write_delta_q(struct vpx_write_bit_buffer *wb, int delta_q) {
+ if (delta_q != 0) {
+ vpx_wb_write_bit(wb, 1);
+ vpx_wb_write_inv_signed_literal(wb, delta_q, 6);
+ } else {
+ vpx_wb_write_bit(wb, 0);
+ }
+}
+
+static void encode_quantization(const VP10_COMMON *const cm,
+ struct vpx_write_bit_buffer *wb) {
+ vpx_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
+ vpx_wb_write_bit(wb, cm->using_qmatrix);
+ if (cm->using_qmatrix) {
+ vpx_wb_write_literal(wb, cm->min_qmlevel, QM_LEVEL_BITS);
+ vpx_wb_write_literal(wb, cm->max_qmlevel, QM_LEVEL_BITS);
+ }
+#endif
+}
+
+static void encode_segmentation(VP10_COMMON *cm, MACROBLOCKD *xd,
+ struct vpx_write_bit_buffer *wb) {
+ int i, j;
+ const struct segmentation *seg = &cm->seg;
+
+ vpx_wb_write_bit(wb, seg->enabled);
+ if (!seg->enabled) return;
+
+ // Segmentation map
+ if (!frame_is_intra_only(cm) && !cm->error_resilient_mode) {
+ vpx_wb_write_bit(wb, seg->update_map);
+ } else {
+ assert(seg->update_map == 1);
+ }
+ if (seg->update_map) {
+ // Select the coding strategy (temporal or spatial)
+ vp10_choose_segmap_coding_method(cm, xd);
+
+ // Write out the chosen coding method.
+ if (!frame_is_intra_only(cm) && !cm->error_resilient_mode) {
+ vpx_wb_write_bit(wb, seg->temporal_update);
+ } else {
+ assert(seg->temporal_update == 0);
+ }
+ }
+
+ // Segmentation data
+ vpx_wb_write_bit(wb, seg->update_data);
+ if (seg->update_data) {
+ vpx_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);
+ vpx_wb_write_bit(wb, active);
+ if (active) {
+ const int data = get_segdata(seg, i, j);
+ const int data_max = vp10_seg_feature_data_max(j);
+
+ if (vp10_is_segfeature_signed(j)) {
+ encode_unsigned_max(wb, abs(data), data_max);
+ vpx_wb_write_bit(wb, data < 0);
+ } else {
+ encode_unsigned_max(wb, data, data_max);
+ }
+ }
+ }
+ }
+ }
+}
+
+static void update_seg_probs(VP10_COMP *cpi, vp10_writer *w) {
+ VP10_COMMON *cm = &cpi->common;
+
+ if (!cm->seg.enabled || !cm->seg.update_map) return;
+
+ if (cm->seg.temporal_update) {
+ int i;
+
+ for (i = 0; i < PREDICTION_PROBS; i++)
+ vp10_cond_prob_diff_update(w, &cm->fc->seg.pred_probs[i],
+ cm->counts.seg.pred[i]);
+
+ prob_diff_update(vp10_segment_tree, cm->fc->seg.tree_probs,
+ cm->counts.seg.tree_mispred, MAX_SEGMENTS, w);
+ } else {
+ prob_diff_update(vp10_segment_tree, cm->fc->seg.tree_probs,
+ cm->counts.seg.tree_total, MAX_SEGMENTS, w);
+ }
+}
+
+static void write_txfm_mode(TX_MODE mode, struct vpx_write_bit_buffer *wb) {
+ vpx_wb_write_bit(wb, mode == TX_MODE_SELECT);
+ if (mode != TX_MODE_SELECT) vpx_wb_write_literal(wb, mode, 2);
+}
+
+static void update_txfm_probs(VP10_COMMON *cm, vp10_writer *w,
+ FRAME_COUNTS *counts) {
+ if (cm->tx_mode == TX_MODE_SELECT) {
+ int i, j;
+ for (i = 0; i < TX_SIZES - 1; ++i)
+ for (j = 0; j < TX_SIZE_CONTEXTS; ++j)
+ prob_diff_update(vp10_tx_size_tree[i], cm->fc->tx_size_probs[i][j],
+ counts->tx_size[i][j], i + 2, w);
+ }
+}
+
+static void write_interp_filter(INTERP_FILTER filter,
+ struct vpx_write_bit_buffer *wb) {
+ vpx_wb_write_bit(wb, filter == SWITCHABLE);
+ if (filter != SWITCHABLE)
+ vpx_wb_write_literal(wb, filter, 2 + CONFIG_EXT_INTERP);
+}
+
+static void fix_interp_filter(VP10_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]) {
+ cm->interp_filter = i;
+ break;
+ }
+ }
+ }
+ }
+}
+
+static void write_tile_info(const VP10_COMMON *const cm,
+ struct vpx_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);
+
+// Write the tile sizes
+#if CONFIG_EXT_PARTITION
+ if (cm->sb_size == BLOCK_128X128) {
+ assert(tile_width <= 32);
+ assert(tile_height <= 32);
+ vpx_wb_write_literal(wb, tile_width - 1, 5);
+ vpx_wb_write_literal(wb, tile_height - 1, 5);
+ } else
+#endif // CONFIG_EXT_PARTITION
+ {
+ assert(tile_width <= 64);
+ assert(tile_height <= 64);
+ vpx_wb_write_literal(wb, tile_width - 1, 6);
+ vpx_wb_write_literal(wb, tile_height - 1, 6);
+ }
+#else
+ int min_log2_tile_cols, max_log2_tile_cols, ones;
+ vp10_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--) vpx_wb_write_bit(wb, 1);
+
+ if (cm->log2_tile_cols < max_log2_tile_cols) vpx_wb_write_bit(wb, 0);
+
+ // rows
+ vpx_wb_write_bit(wb, cm->log2_tile_rows != 0);
+ if (cm->log2_tile_rows != 0) vpx_wb_write_bit(wb, cm->log2_tile_rows != 1);
+#endif // CONFIG_EXT_TILE
+}
+
+static int get_refresh_mask(VP10_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 (vp10_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 vp10_encoder.c:vp10_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 {
+ int arf_idx = cpi->alt_fb_idx;
+#if CONFIG_EXT_REFS
+ const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
+ arf_idx = cpi->arf_map[gf_group->arf_update_idx[gf_group->index]];
+#else
+ 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 unsigned int 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
+
+static uint32_t write_tiles(VP10_COMP *const cpi, uint8_t *const dst,
+ unsigned int *max_tile_size,
+ unsigned int *max_tile_col_size) {
+ const VP10_COMMON *const cm = &cpi->common;
+#if CONFIG_ANS
+ struct AnsCoder token_ans;
+#else
+ vp10_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;
+ size_t total_size = 0;
+ const int tile_cols = cm->tile_cols;
+ const int tile_rows = cm->tile_rows;
+#if CONFIG_EXT_TILE
+ const int have_tiles = tile_cols * tile_rows > 1;
+#endif // CONFIG_EXT_TILE
+#if CONFIG_ANS
+ BufAnsCoder *buf_ans = &cpi->buf_ans;
+#endif // CONFIG_ANS
+
+ *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 size_t col_offset = total_size;
+
+ vp10_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];
+ unsigned int tile_size;
+ 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;
+
+ vp10_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_ANS
+ vpx_start_encode(&mode_bc, buf->data + data_offset);
+ write_modes(cpi, &tile_info, &mode_bc, &tok, tok_end);
+ assert(tok == tok_end);
+ vpx_stop_encode(&mode_bc);
+ tile_size = mode_bc.pos;
+#else
+ buf_ans_write_reset(buf_ans);
+ write_modes(cpi, &tile_info, buf_ans, &tok, tok_end);
+ assert(tok == tok_end);
+ ans_write_init(&token_ans, buf->data + data_offset);
+ buf_ans_flush(buf_ans, &token_ans);
+ tile_size = ans_write_end(&token_ans);
+#endif // !CONFIG_ANS
+
+ buf->size = tile_size;
+
+ // Record the maximum tile size we see, so we can compact headers later.
+ *max_tile_size = VPXMAX(*max_tile_size, tile_size);
+
+ if (have_tiles) {
+ // tile header: size of this tile, or copy offset
+ uint32_t tile_header = tile_size;
+
+ // 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) {
+ 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) {
+ size_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 = VPXMAX(*max_tile_col_size, col_size);
+ }
+ }
+#else
+ for (tile_row = 0; tile_row < tile_rows; tile_row++) {
+ TileInfo tile_info;
+ const int is_last_row = (tile_row == tile_rows - 1);
+
+ vp10_tile_set_row(&tile_info, cm, tile_row);
+
+ for (tile_col = 0; tile_col < tile_cols; tile_col++) {
+ TileBufferEnc *const buf = &tile_buffers[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;
+ unsigned int tile_size;
+ const TOKENEXTRA *tok = tok_buffers[tile_row][tile_col];
+ const TOKENEXTRA *tok_end = tok + cpi->tok_count[tile_row][tile_col];
+
+ vp10_tile_set_col(&tile_info, cm, tile_col);
+
+ buf->data = dst + total_size;
+
+ // The last tile does not have a header.
+ if (!is_last_tile) total_size += 4;
+
+#if !CONFIG_ANS
+ vpx_start_encode(&mode_bc, dst + total_size);
+ write_modes(cpi, &tile_info, &mode_bc, &tok, tok_end);
+ assert(tok == tok_end);
+ vpx_stop_encode(&mode_bc);
+ tile_size = mode_bc.pos;
+#else
+ buf_ans_write_reset(buf_ans);
+ write_modes(cpi, &tile_info, buf_ans, &tok, tok_end);
+ assert(tok == tok_end);
+ ans_write_init(&token_ans, dst + total_size);
+ buf_ans_flush(buf_ans, &token_ans);
+ tile_size = ans_write_end(&token_ans);
+#endif // !CONFIG_ANS
+
+ assert(tile_size > 0);
+
+ buf->size = tile_size;
+
+ if (!is_last_tile) {
+ *max_tile_size = VPXMAX(*max_tile_size, tile_size);
+ // size of this tile
+ mem_put_le32(buf->data, tile_size);
+ }
+
+ total_size += tile_size;
+ }
+ }
+#endif // CONFIG_EXT_TILE
+ return (uint32_t)total_size;
+}
+
+static void write_render_size(const VP10_COMMON *cm,
+ struct vpx_write_bit_buffer *wb) {
+ const int scaling_active =
+ cm->width != cm->render_width || cm->height != cm->render_height;
+ vpx_wb_write_bit(wb, scaling_active);
+ if (scaling_active) {
+ vpx_wb_write_literal(wb, cm->render_width - 1, 16);
+ vpx_wb_write_literal(wb, cm->render_height - 1, 16);
+ }
+}
+
+static void write_frame_size(const VP10_COMMON *cm,
+ struct vpx_write_bit_buffer *wb) {
+ vpx_wb_write_literal(wb, cm->width - 1, 16);
+ vpx_wb_write_literal(wb, cm->height - 1, 16);
+
+ write_render_size(cm, wb);
+}
+
+static void write_frame_size_with_refs(VP10_COMP *cpi,
+ struct vpx_write_bit_buffer *wb) {
+ VP10_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;
+ }
+ vpx_wb_write_bit(wb, found);
+ if (found) {
+ break;
+ }
+ }
+
+ if (!found) {
+ vpx_wb_write_literal(wb, cm->width - 1, 16);
+ vpx_wb_write_literal(wb, cm->height - 1, 16);
+ write_render_size(cm, wb);
+ }
+}
+
+static void write_sync_code(struct vpx_write_bit_buffer *wb) {
+ vpx_wb_write_literal(wb, VP10_SYNC_CODE_0, 8);
+ vpx_wb_write_literal(wb, VP10_SYNC_CODE_1, 8);
+ vpx_wb_write_literal(wb, VP10_SYNC_CODE_2, 8);
+}
+
+static void write_profile(BITSTREAM_PROFILE profile,
+ struct vpx_write_bit_buffer *wb) {
+ switch (profile) {
+ case PROFILE_0: vpx_wb_write_literal(wb, 0, 2); break;
+ case PROFILE_1: vpx_wb_write_literal(wb, 2, 2); break;
+ case PROFILE_2: vpx_wb_write_literal(wb, 1, 2); break;
+ case PROFILE_3: vpx_wb_write_literal(wb, 6, 3); break;
+ default: assert(0);
+ }
+}
+
+static void write_bitdepth_colorspace_sampling(
+ VP10_COMMON *const cm, struct vpx_write_bit_buffer *wb) {
+ if (cm->profile >= PROFILE_2) {
+ assert(cm->bit_depth > VPX_BITS_8);
+ vpx_wb_write_bit(wb, cm->bit_depth == VPX_BITS_10 ? 0 : 1);
+ }
+ vpx_wb_write_literal(wb, cm->color_space, 3);
+ if (cm->color_space != VPX_CS_SRGB) {
+ // 0: [16, 235] (i.e. xvYCC), 1: [0, 255]
+ vpx_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);
+ vpx_wb_write_bit(wb, cm->subsampling_x);
+ vpx_wb_write_bit(wb, cm->subsampling_y);
+ vpx_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);
+ vpx_wb_write_bit(wb, 0); // unused
+ }
+}
+
+static void write_uncompressed_header(VP10_COMP *cpi,
+ struct vpx_write_bit_buffer *wb) {
+ VP10_COMMON *const cm = &cpi->common;
+ MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
+
+ vpx_wb_write_literal(wb, VPX_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) {
+ vpx_internal_error(&cm->error, VPX_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);
+
+ vpx_wb_write_bit(wb, 1); // show_existing_frame
+ vpx_wb_write_literal(wb, cpi->existing_fb_idx_to_show, 3);
+
+ return;
+ } else {
+#endif // CONFIG_EXT_REFS
+ vpx_wb_write_bit(wb, 0); // show_existing_frame
+#if CONFIG_EXT_REFS
+ }
+#endif // CONFIG_EXT_REFS
+
+ vpx_wb_write_bit(wb, cm->frame_type);
+ vpx_wb_write_bit(wb, cm->show_frame);
+ vpx_wb_write_bit(wb, cm->error_resilient_mode);
+
+ if (cm->frame_type == KEY_FRAME) {
+ write_sync_code(wb);
+ write_bitdepth_colorspace_sampling(cm, wb);
+ write_frame_size(cm, wb);
+ if (frame_is_intra_only(cm))
+ vpx_wb_write_bit(wb, cm->allow_screen_content_tools);
+ } else {
+ if (!cm->show_frame) vpx_wb_write_bit(wb, cm->intra_only);
+
+ if (!cm->error_resilient_mode) {
+ if (cm->intra_only) {
+ vpx_wb_write_bit(wb,
+ cm->reset_frame_context == RESET_FRAME_CONTEXT_ALL);
+ } else {
+ vpx_wb_write_bit(wb,
+ cm->reset_frame_context != RESET_FRAME_CONTEXT_NONE);
+ if (cm->reset_frame_context != RESET_FRAME_CONTEXT_NONE)
+ vpx_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
+ vpx_wb_write_literal(wb, cpi->refresh_frame_mask, REF_FRAMES);
+#else
+ vpx_wb_write_literal(wb, get_refresh_mask(cpi), REF_FRAMES);
+#endif // CONFIG_EXT_REFS
+ write_frame_size(cm, wb);
+ } else {
+ MV_REFERENCE_FRAME ref_frame;
+
+#if CONFIG_EXT_REFS
+ vpx_wb_write_literal(wb, cpi->refresh_frame_mask, REF_FRAMES);
+#else
+ vpx_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);
+ vpx_wb_write_literal(wb, get_ref_frame_map_idx(cpi, ref_frame),
+ REF_FRAMES_LOG2);
+ vpx_wb_write_bit(wb, cm->ref_frame_sign_bias[ref_frame]);
+ }
+
+ write_frame_size_with_refs(cpi, wb);
+
+ vpx_wb_write_bit(wb, cm->allow_high_precision_mv);
+
+ fix_interp_filter(cm, cpi->td.counts);
+ write_interp_filter(cm->interp_filter, wb);
+ }
+ }
+
+ if (!cm->error_resilient_mode) {
+ vpx_wb_write_bit(
+ wb, cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_FORWARD);
+ }
+
+ vpx_wb_write_literal(wb, cm->frame_context_idx, FRAME_CONTEXTS_LOG2);
+
+ assert(cm->mib_size == num_8x8_blocks_wide_lookup[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);
+ vpx_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_CLPF
+ encode_clpf(cm, wb);
+#endif
+#if CONFIG_DERING
+ encode_dering(cm->dering_level, wb);
+#endif // CONFIG_DERING
+#if CONFIG_LOOP_RESTORATION
+ encode_restoration(cm, wb);
+#endif // CONFIG_LOOP_RESTORATION
+ encode_quantization(cm, wb);
+ encode_segmentation(cm, xd, wb);
+ if (!cm->seg.enabled && xd->lossless[0])
+ cm->tx_mode = TX_4X4;
+ else
+ write_txfm_mode(cm->tx_mode, wb);
+
+ if (cpi->allow_comp_inter_inter) {
+ const int use_hybrid_pred = cm->reference_mode == REFERENCE_MODE_SELECT;
+ const int use_compound_pred = cm->reference_mode != SINGLE_REFERENCE;
+
+ vpx_wb_write_bit(wb, use_hybrid_pred);
+ if (!use_hybrid_pred) vpx_wb_write_bit(wb, use_compound_pred);
+ }
+
+ write_tile_info(cm, wb);
+}
+
+#if CONFIG_GLOBAL_MOTION
+static void write_global_motion_params(Global_Motion_Params *params,
+ vpx_prob *probs, vp10_writer *w) {
+ GLOBAL_MOTION_TYPE gmtype = get_gmtype(params);
+ vp10_write_token(w, vp10_global_motion_types_tree, probs,
+ &global_motion_types_encodings[gmtype]);
+ switch (gmtype) {
+ case GLOBAL_ZERO: break;
+ case GLOBAL_AFFINE:
+ vp10_write_primitive_symmetric(
+ w, params->motion_params.wmmat[4] >> GM_ALPHA_PREC_DIFF,
+ GM_ABS_ALPHA_BITS);
+ vp10_write_primitive_symmetric(
+ w, (params->motion_params.wmmat[5] >> GM_ALPHA_PREC_DIFF) -
+ (1 << GM_ALPHA_PREC_BITS),
+ GM_ABS_ALPHA_BITS);
+ // fallthrough intended
+ case GLOBAL_ROTZOOM:
+ vp10_write_primitive_symmetric(
+ w, (params->motion_params.wmmat[2] >> GM_ALPHA_PREC_DIFF) -
+ (1 << GM_ALPHA_PREC_BITS),
+ GM_ABS_ALPHA_BITS);
+ vp10_write_primitive_symmetric(
+ w, params->motion_params.wmmat[3] >> GM_ALPHA_PREC_DIFF,
+ GM_ABS_ALPHA_BITS);
+ // fallthrough intended
+ case GLOBAL_TRANSLATION:
+ vp10_write_primitive_symmetric(
+ w, params->motion_params.wmmat[0] >> GM_TRANS_PREC_DIFF,
+ GM_ABS_TRANS_BITS);
+ vp10_write_primitive_symmetric(
+ w, params->motion_params.wmmat[1] >> GM_TRANS_PREC_DIFF,
+ GM_ABS_TRANS_BITS);
+ break;
+ default: assert(0);
+ }
+}
+
+static void write_global_motion(VP10_COMP *cpi, vp10_writer *w) {
+ VP10_COMMON *const cm = &cpi->common;
+ int frame;
+ for (frame = LAST_FRAME; frame <= ALTREF_FRAME; ++frame) {
+ if (!cpi->global_motion_used[frame]) {
+ memset(&cm->global_motion[frame], 0, sizeof(*cm->global_motion));
+ }
+ write_global_motion_params(&cm->global_motion[frame],
+ cm->fc->global_motion_types_prob, w);
+ }
+}
+#endif
+
+static uint32_t write_compressed_header(VP10_COMP *cpi, uint8_t *data) {
+ VP10_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;
+ vp10_writer *header_bc;
+ int i, j;
+
+#if CONFIG_ANS
+ struct AnsCoder header_ans;
+ int header_size;
+ header_bc = &cpi->buf_ans;
+ buf_ans_write_reset(header_bc);
+#else
+ vp10_writer real_header_bc;
+ header_bc = &real_header_bc;
+ vpx_start_encode(header_bc, data);
+#endif
+ update_txfm_probs(cm, header_bc, counts);
+ update_coef_probs(cpi, header_bc);
+
+#if CONFIG_VAR_TX
+ update_txfm_partition_probs(cm, header_bc, counts);
+#endif
+
+ update_skip_probs(cm, header_bc, counts);
+ update_seg_probs(cpi, header_bc);
+
+ for (i = 0; i < INTRA_MODES; ++i)
+ prob_diff_update(vp10_intra_mode_tree, fc->uv_mode_prob[i],
+ counts->uv_mode[i], INTRA_MODES, header_bc);
+
+#if CONFIG_EXT_PARTITION_TYPES
+ prob_diff_update(vp10_partition_tree, fc->partition_prob[0],
+ counts->partition[0], PARTITION_TYPES, header_bc);
+ for (i = 1; i < PARTITION_CONTEXTS; ++i)
+ prob_diff_update(vp10_ext_partition_tree, fc->partition_prob[i],
+ counts->partition[i], EXT_PARTITION_TYPES, header_bc);
+#else
+ for (i = 0; i < PARTITION_CONTEXTS; ++i)
+ prob_diff_update(vp10_partition_tree, fc->partition_prob[i],
+ counts->partition[i], PARTITION_TYPES, header_bc);
+#endif // CONFIG_EXT_PARTITION_TYPES
+
+#if CONFIG_EXT_INTRA
+ for (i = 0; i < INTRA_FILTERS + 1; ++i)
+ prob_diff_update(vp10_intra_filter_tree, fc->intra_filter_probs[i],
+ counts->intra_filter[i], INTRA_FILTERS, header_bc);
+#endif // CONFIG_EXT_INTRA
+
+ if (frame_is_intra_only(cm)) {
+ vp10_copy(cm->kf_y_prob, vp10_kf_y_mode_prob);
+ for (i = 0; i < INTRA_MODES; ++i)
+ for (j = 0; j < INTRA_MODES; ++j)
+ prob_diff_update(vp10_intra_mode_tree, cm->kf_y_prob[i][j],
+ counts->kf_y_mode[i][j], INTRA_MODES, header_bc);
+ } else {
+#if CONFIG_REF_MV
+ update_inter_mode_probs(cm, header_bc, counts);
+#else
+ for (i = 0; i < INTER_MODE_CONTEXTS; ++i)
+ prob_diff_update(vp10_inter_mode_tree, cm->fc->inter_mode_probs[i],
+ counts->inter_mode[i], INTER_MODES, header_bc);
+#endif
+
+#if CONFIG_EXT_INTER
+ update_inter_compound_mode_probs(cm, header_bc);
+
+ if (cm->reference_mode != COMPOUND_REFERENCE) {
+ for (i = 0; i < BLOCK_SIZE_GROUPS; i++) {
+ if (is_interintra_allowed_bsize_group(i)) {
+ vp10_cond_prob_diff_update(header_bc, &fc->interintra_prob[i],
+ cm->counts.interintra[i]);
+ }
+ }
+ for (i = 0; i < BLOCK_SIZE_GROUPS; i++) {
+ prob_diff_update(
+ vp10_interintra_mode_tree, cm->fc->interintra_mode_prob[i],
+ counts->interintra_mode[i], INTERINTRA_MODES, header_bc);
+ }
+ for (i = 0; i < BLOCK_SIZES; i++) {
+ if (is_interintra_allowed_bsize(i) && is_interintra_wedge_used(i))
+ vp10_cond_prob_diff_update(header_bc, &fc->wedge_interintra_prob[i],
+ cm->counts.wedge_interintra[i]);
+ }
+ }
+ if (cm->reference_mode != SINGLE_REFERENCE) {
+ for (i = 0; i < BLOCK_SIZES; i++)
+ if (is_interinter_wedge_used(i))
+ vp10_cond_prob_diff_update(header_bc, &fc->wedge_interinter_prob[i],
+ cm->counts.wedge_interinter[i]);
+ }
+#endif // CONFIG_EXT_INTER
+
+#if CONFIG_OBMC || CONFIG_WARPED_MOTION
+ for (i = BLOCK_8X8; i < BLOCK_SIZES; ++i)
+ prob_diff_update(vp10_motvar_tree, fc->motvar_prob[i], counts->motvar[i],
+ MOTION_VARIATIONS, header_bc);
+#endif // CONFIG_OBMC || CONFIG_WARPED_MOTION
+
+ if (cm->interp_filter == SWITCHABLE)
+ update_switchable_interp_probs(cm, header_bc, counts);
+
+ for (i = 0; i < INTRA_INTER_CONTEXTS; i++)
+ vp10_cond_prob_diff_update(header_bc, &fc->intra_inter_prob[i],
+ counts->intra_inter[i]);
+
+ 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++)
+ vp10_cond_prob_diff_update(header_bc, &fc->comp_inter_prob[i],
+ counts->comp_inter[i]);
+ }
+
+ if (cm->reference_mode != COMPOUND_REFERENCE) {
+ for (i = 0; i < REF_CONTEXTS; i++) {
+ for (j = 0; j < (SINGLE_REFS - 1); j++) {
+ vp10_cond_prob_diff_update(header_bc, &fc->single_ref_prob[i][j],
+ counts->single_ref[i][j]);
+ }
+ }
+ }
+
+ 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++) {
+ vp10_cond_prob_diff_update(header_bc, &fc->comp_ref_prob[i][j],
+ counts->comp_ref[i][j]);
+ }
+ for (j = 0; j < (BWD_REFS - 1); j++) {
+ vp10_cond_prob_diff_update(header_bc, &fc->comp_bwdref_prob[i][j],
+ counts->comp_bwdref[i][j]);
+ }
+#else
+ for (j = 0; j < (COMP_REFS - 1); j++) {
+ vp10_cond_prob_diff_update(header_bc, &fc->comp_ref_prob[i][j],
+ counts->comp_ref[i][j]);
+ }
+#endif // CONFIG_EXT_REFS
+ }
+ }
+
+ for (i = 0; i < BLOCK_SIZE_GROUPS; ++i)
+ prob_diff_update(vp10_intra_mode_tree, cm->fc->y_mode_prob[i],
+ counts->y_mode[i], INTRA_MODES, header_bc);
+
+ vp10_write_nmv_probs(cm, cm->allow_high_precision_mv, header_bc,
+#if CONFIG_REF_MV
+ counts->mv);
+#else
+ &counts->mv);
+#endif
+ update_ext_tx_probs(cm, header_bc);
+#if CONFIG_SUPERTX
+ if (!xd->lossless[0]) update_supertx_probs(cm, header_bc);
+#endif // CONFIG_SUPERTX
+ }
+#if CONFIG_GLOBAL_MOTION
+ write_global_motion(cpi, header_bc);
+#endif // CONFIG_GLOBAL_MOTION
+#if CONFIG_ANS
+ ans_write_init(&header_ans, data);
+ buf_ans_flush(header_bc, &header_ans);
+ header_size = ans_write_end(&header_ans);
+ assert(header_size <= 0xffff);
+ return header_size;
+#else
+ vpx_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("Invalid size" && 0); break;
+ }
+}
+
+static int remux_tiles(const VP10_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 vp10_pack_bitstream(VP10_COMP *const cpi, uint8_t *dst, size_t *size) {
+ uint8_t *data = dst;
+ uint32_t compressed_header_size;
+ uint32_t uncompressed_header_size;
+ uint32_t data_size;
+ struct vpx_write_bit_buffer wb = { data, 0 };
+ struct vpx_write_bit_buffer saved_wb;
+ unsigned int max_tile_size;
+ unsigned int max_tile_col_size;
+ int tile_size_bytes;
+ int tile_col_size_bytes;
+
+ VP10_COMMON *const cm = &cpi->common;
+ const int have_tiles = cm->tile_cols * cm->tile_rows > 1;
+
+#if CONFIG_BITSTREAM_DEBUG
+ bitstream_queue_reset_write();
+#endif
+
+ // Write the uncompressed header
+ write_uncompressed_header(cpi, &wb);
+
+#if CONFIG_EXT_REFS
+ if (cm->show_existing_frame) {
+ *size = vpx_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
+ vpx_wb_write_literal(&wb, 0, 2);
+#endif // CONFIG_EXT_TILE
+ // Number of bytes in tile size - 1
+ vpx_wb_write_literal(&wb, 0, 2);
+ }
+ // Size of compressed header
+ vpx_wb_write_literal(&wb, 0, 16);
+
+ uncompressed_header_size = (uint32_t)vpx_wb_bytes_written(&wb);
+ data += uncompressed_header_size;
+
+ vpx_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);
+
+ 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);
+ vpx_wb_write_literal(&saved_wb, tile_col_size_bytes - 1, 2);
+#endif // CONFIG_EXT_TILE
+ assert(tile_size_bytes >= 1 && tile_size_bytes <= 4);
+ vpx_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);
+ vpx_wb_write_literal(&saved_wb, compressed_header_size, 16);
+
+ *size = data - dst;
+}
