| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include <assert.h> |
| #include <limits.h> |
| #include <stdio.h> |
| |
| #include "aom/aom_encoder.h" |
| #include "aom_dsp/bitwriter_buffer.h" |
| #include "aom_dsp/aom_dsp_common.h" |
| #include "aom_mem/aom_mem.h" |
| #include "aom_ports/mem_ops.h" |
| #include "aom_ports/system_state.h" |
| #if CONFIG_BITSTREAM_DEBUG |
| #include "aom_util/debug_util.h" |
| #endif // CONFIG_BITSTREAM_DEBUG |
| |
| #if CONFIG_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/odintrin.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 "aom_dsp/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 struct av1_token intra_mode_encodings[INTRA_MODES]; |
| static struct av1_token switchable_interp_encodings[SWITCHABLE_FILTERS]; |
| #if CONFIG_EXT_PARTITION_TYPES |
| static const struct av1_token ext_partition_encodings[EXT_PARTITION_TYPES] = { |
| { 0, 1 }, { 4, 3 }, { 12, 4 }, { 7, 3 }, |
| { 10, 4 }, { 11, 4 }, { 26, 5 }, { 27, 5 } |
| }; |
| #endif |
| static struct av1_token partition_encodings[PARTITION_TYPES]; |
| #if !CONFIG_REF_MV |
| static struct av1_token inter_mode_encodings[INTER_MODES]; |
| #endif |
| #if CONFIG_EXT_INTER |
| static const struct av1_token |
| inter_compound_mode_encodings[INTER_COMPOUND_MODES] = { |
| { 2, 2 }, { 50, 6 }, { 51, 6 }, { 24, 5 }, { 52, 6 }, |
| { 53, 6 }, { 54, 6 }, { 55, 6 }, { 0, 1 }, { 7, 3 } |
| }; |
| #endif // CONFIG_EXT_INTER |
| #if CONFIG_PALETTE |
| static struct av1_token palette_size_encodings[PALETTE_MAX_SIZE - 1]; |
| static struct av1_token palette_color_encodings[PALETTE_MAX_SIZE - 1] |
| [PALETTE_MAX_SIZE]; |
| #endif // CONFIG_PALETTE |
| static const struct av1_token tx_size_encodings[MAX_TX_DEPTH][TX_SIZES] = { |
| { { 0, 1 }, { 1, 1 } }, // Max tx_size is 8X8 |
| { { 0, 1 }, { 2, 2 }, { 3, 2 } }, // Max tx_size is 16X16 |
| { { 0, 1 }, { 2, 2 }, { 6, 3 }, { 7, 3 } }, // Max tx_size is 32X32 |
| }; |
| |
| #if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA || CONFIG_PALETTE |
| static INLINE void write_uniform(aom_writer *w, int n, int v) { |
| int l = get_unsigned_bits(n); |
| int m = (1 << l) - n; |
| if (l == 0) return; |
| if (v < m) { |
| aom_write_literal(w, v, l - 1); |
| } else { |
| aom_write_literal(w, m + ((v - m) >> 1), l - 1); |
| aom_write_literal(w, (v - m) & 1, 1); |
| } |
| } |
| #endif // CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA || CONFIG_PALETTE |
| |
| #if CONFIG_EXT_TX |
| static struct av1_token ext_tx_inter_encodings[EXT_TX_SETS_INTER][TX_TYPES]; |
| static struct av1_token ext_tx_intra_encodings[EXT_TX_SETS_INTRA][TX_TYPES]; |
| #else |
| static struct av1_token ext_tx_encodings[TX_TYPES]; |
| #endif // CONFIG_EXT_TX |
| #if CONFIG_GLOBAL_MOTION |
| static struct av1_token global_motion_types_encodings[GLOBAL_MOTION_TYPES]; |
| #endif // CONFIG_GLOBAL_MOTION |
| #if CONFIG_EXT_INTRA |
| static struct av1_token intra_filter_encodings[INTRA_FILTERS]; |
| #endif // CONFIG_EXT_INTRA |
| #if CONFIG_EXT_INTER |
| static struct av1_token interintra_mode_encodings[INTERINTRA_MODES]; |
| #endif // CONFIG_EXT_INTER |
| #if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION |
| static struct av1_token motion_mode_encodings[MOTION_MODES]; |
| #endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION |
| #if CONFIG_LOOP_RESTORATION |
| static struct av1_token switchable_restore_encodings[RESTORE_SWITCHABLE_TYPES]; |
| #endif // CONFIG_LOOP_RESTORATION |
| static void write_uncompressed_header(AV1_COMP *cpi, |
| struct aom_write_bit_buffer *wb); |
| static uint32_t write_compressed_header(AV1_COMP *cpi, uint8_t *data); |
| |
| void av1_encode_token_init(void) { |
| #if CONFIG_EXT_TX || CONFIG_PALETTE |
| int s; |
| #endif // CONFIG_EXT_TX || CONFIG_PALETTE |
| #if CONFIG_EXT_TX |
| for (s = 1; s < EXT_TX_SETS_INTER; ++s) { |
| av1_tokens_from_tree(ext_tx_inter_encodings[s], av1_ext_tx_inter_tree[s]); |
| } |
| for (s = 1; s < EXT_TX_SETS_INTRA; ++s) { |
| av1_tokens_from_tree(ext_tx_intra_encodings[s], av1_ext_tx_intra_tree[s]); |
| } |
| #else |
| av1_tokens_from_tree(ext_tx_encodings, av1_ext_tx_tree); |
| #endif // CONFIG_EXT_TX |
| av1_tokens_from_tree(intra_mode_encodings, av1_intra_mode_tree); |
| av1_tokens_from_tree(switchable_interp_encodings, av1_switchable_interp_tree); |
| av1_tokens_from_tree(partition_encodings, av1_partition_tree); |
| #if !CONFIG_REF_MV |
| av1_tokens_from_tree(inter_mode_encodings, av1_inter_mode_tree); |
| #endif |
| |
| #if CONFIG_PALETTE |
| av1_tokens_from_tree(palette_size_encodings, av1_palette_size_tree); |
| for (s = 0; s < PALETTE_MAX_SIZE - 1; ++s) { |
| av1_tokens_from_tree(palette_color_encodings[s], av1_palette_color_tree[s]); |
| } |
| #endif // CONFIG_PALETTE |
| |
| #if CONFIG_EXT_INTRA |
| av1_tokens_from_tree(intra_filter_encodings, av1_intra_filter_tree); |
| #endif // CONFIG_EXT_INTRA |
| #if CONFIG_EXT_INTER |
| av1_tokens_from_tree(interintra_mode_encodings, av1_interintra_mode_tree); |
| #endif // CONFIG_EXT_INTER |
| #if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION |
| av1_tokens_from_tree(motion_mode_encodings, av1_motion_mode_tree); |
| #endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION |
| #if CONFIG_GLOBAL_MOTION |
| av1_tokens_from_tree(global_motion_types_encodings, |
| av1_global_motion_types_tree); |
| #endif // CONFIG_GLOBAL_MOTION |
| #if CONFIG_LOOP_RESTORATION |
| av1_tokens_from_tree(switchable_restore_encodings, |
| av1_switchable_restore_tree); |
| #endif // CONFIG_LOOP_RESTORATION |
| |
| #if CONFIG_DAALA_EC |
| /* This hack is necessary when CONFIG_EXT_INTERP is enabled because the five |
| SWITCHABLE_FILTERS are not consecutive, e.g., 0, 1, 2, 3, 4, when doing |
| an in-order traversal of the av1_switchable_interp_tree structure. */ |
| av1_indices_from_tree(av1_switchable_interp_ind, av1_switchable_interp_inv, |
| SWITCHABLE_FILTERS, av1_switchable_interp_tree); |
| /* This hack is necessary because the four TX_TYPES are not consecutive, |
| e.g., 0, 1, 2, 3, when doing an in-order traversal of the av1_ext_tx_tree |
| structure. */ |
| av1_indices_from_tree(av1_ext_tx_ind, av1_ext_tx_inv, TX_TYPES, |
| av1_ext_tx_tree); |
| av1_indices_from_tree(av1_intra_mode_ind, av1_intra_mode_inv, INTRA_MODES, |
| av1_intra_mode_tree); |
| av1_indices_from_tree(av1_inter_mode_ind, av1_inter_mode_inv, INTER_MODES, |
| av1_inter_mode_tree); |
| #endif |
| } |
| |
| #if !CONFIG_DAALA_EC |
| static void write_intra_mode(aom_writer *w, PREDICTION_MODE mode, |
| const aom_prob *probs) { |
| av1_write_token(w, av1_intra_mode_tree, probs, &intra_mode_encodings[mode]); |
| } |
| #endif |
| |
| #if CONFIG_EXT_INTER |
| static void write_interintra_mode(aom_writer *w, INTERINTRA_MODE mode, |
| const aom_prob *probs) { |
| av1_write_token(w, av1_interintra_mode_tree, probs, |
| &interintra_mode_encodings[mode]); |
| } |
| #endif // CONFIG_EXT_INTER |
| |
| static void write_inter_mode(AV1_COMMON *cm, aom_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 aom_prob newmv_prob = cm->fc->newmv_prob[newmv_ctx]; |
| #if CONFIG_EXT_INTER |
| aom_write(w, mode != NEWMV && mode != NEWFROMNEARMV, newmv_prob); |
| |
| if (!is_compound && (mode == NEWMV || mode == NEWFROMNEARMV)) |
| aom_write(w, mode == NEWFROMNEARMV, cm->fc->new2mv_prob); |
| |
| if (mode != NEWMV && mode != NEWFROMNEARMV) { |
| #else |
| aom_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 aom_prob zeromv_prob = cm->fc->zeromv_prob[zeromv_ctx]; |
| |
| if (mode_ctx & (1 << ALL_ZERO_FLAG_OFFSET)) { |
| assert(mode == ZEROMV); |
| return; |
| } |
| |
| aom_write(w, mode != ZEROMV, zeromv_prob); |
| |
| if (mode != ZEROMV) { |
| int16_t refmv_ctx = (mode_ctx >> REFMV_OFFSET) & REFMV_CTX_MASK; |
| aom_prob refmv_prob; |
| |
| if (mode_ctx & (1 << SKIP_NEARESTMV_OFFSET)) refmv_ctx = 6; |
| if (mode_ctx & (1 << SKIP_NEARMV_OFFSET)) refmv_ctx = 7; |
| if (mode_ctx & (1 << SKIP_NEARESTMV_SUB8X8_OFFSET)) refmv_ctx = 8; |
| |
| refmv_prob = cm->fc->refmv_prob[refmv_ctx]; |
| aom_write(w, mode != NEARESTMV, refmv_prob); |
| } |
| } |
| #else |
| assert(is_inter_mode(mode)); |
| #if CONFIG_DAALA_EC |
| aom_write_symbol(w, av1_inter_mode_ind[INTER_OFFSET(mode)], |
| cm->fc->inter_mode_cdf[mode_ctx], INTER_MODES); |
| #else |
| { |
| const aom_prob *const inter_probs = cm->fc->inter_mode_probs[mode_ctx]; |
| av1_write_token(w, av1_inter_mode_tree, inter_probs, |
| &inter_mode_encodings[INTER_OFFSET(mode)]); |
| } |
| #endif |
| #endif |
| } |
| |
| #if CONFIG_REF_MV |
| static void write_drl_idx(const AV1_COMMON *cm, const MB_MODE_INFO *mbmi, |
| const MB_MODE_INFO_EXT *mbmi_ext, aom_writer *w) { |
| uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame); |
| |
| assert(mbmi->ref_mv_idx < 3); |
| |
| if (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 = |
| av1_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], idx); |
| aom_prob drl_prob = cm->fc->drl_prob[drl_ctx]; |
| |
| aom_write(w, mbmi->ref_mv_idx != idx, drl_prob); |
| if (mbmi->ref_mv_idx == idx) return; |
| } |
| } |
| return; |
| } |
| |
| if (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 = |
| av1_drl_ctx(mbmi_ext->ref_mv_stack[ref_frame_type], idx); |
| aom_prob drl_prob = cm->fc->drl_prob[drl_ctx]; |
| |
| aom_write(w, mbmi->ref_mv_idx != (idx - 1), drl_prob); |
| if (mbmi->ref_mv_idx == (idx - 1)) return; |
| } |
| } |
| return; |
| } |
| } |
| #endif |
| |
| #if CONFIG_EXT_INTER |
| static void write_inter_compound_mode(AV1_COMMON *cm, aom_writer *w, |
| PREDICTION_MODE mode, |
| const int16_t mode_ctx) { |
| const aom_prob *const inter_compound_probs = |
| cm->fc->inter_compound_mode_probs[mode_ctx]; |
| |
| assert(is_inter_compound_mode(mode)); |
| av1_write_token(w, av1_inter_compound_mode_tree, inter_compound_probs, |
| &inter_compound_mode_encodings[INTER_COMPOUND_OFFSET(mode)]); |
| } |
| #endif // CONFIG_EXT_INTER |
| |
| static void encode_unsigned_max(struct aom_write_bit_buffer *wb, int data, |
| int max) { |
| aom_wb_write_literal(wb, data, get_unsigned_bits(max)); |
| } |
| |
| static void prob_diff_update(const aom_tree_index *tree, |
| aom_prob probs[/*n - 1*/], |
| const unsigned int counts[/*n - 1*/], int n, |
| int probwt, aom_writer *w) { |
| int i; |
| unsigned int branch_ct[32][2]; |
| |
| // Assuming max number of probabilities <= 32 |
| assert(n <= 32); |
| |
| av1_tree_probs_from_distribution(tree, branch_ct, counts); |
| for (i = 0; i < n - 1; ++i) |
| av1_cond_prob_diff_update(w, &probs[i], branch_ct[i], probwt); |
| } |
| |
| #if !CONFIG_EC_ADAPT |
| static int prob_diff_update_savings(const aom_tree_index *tree, |
| aom_prob probs[/*n - 1*/], |
| const unsigned int counts[/*n - 1*/], int n, |
| int probwt) { |
| int i; |
| unsigned int branch_ct[32][2]; |
| int savings = 0; |
| |
| // Assuming max number of probabilities <= 32 |
| assert(n <= 32); |
| av1_tree_probs_from_distribution(tree, branch_ct, counts); |
| for (i = 0; i < n - 1; ++i) { |
| savings += |
| av1_cond_prob_diff_update_savings(&probs[i], branch_ct[i], probwt); |
| } |
| return savings; |
| } |
| #endif |
| |
| #if CONFIG_VAR_TX |
| static void write_tx_size_vartx(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| const MB_MODE_INFO *mbmi, TX_SIZE tx_size, |
| int depth, int blk_row, int blk_col, |
| aom_writer *w) { |
| const int tx_row = blk_row >> 1; |
| const int tx_col = blk_col >> 1; |
| const int max_blocks_high = max_block_high(xd, mbmi->sb_type, 0); |
| const int max_blocks_wide = max_block_wide(xd, mbmi->sb_type, 0); |
| |
| int ctx = txfm_partition_context(xd->above_txfm_context + tx_col, |
| xd->left_txfm_context + tx_row, |
| mbmi->sb_type, tx_size); |
| |
| if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return; |
| |
| if (depth == MAX_VARTX_DEPTH) { |
| txfm_partition_update(xd->above_txfm_context + tx_col, |
| xd->left_txfm_context + tx_row, tx_size); |
| return; |
| } |
| |
| if (tx_size == mbmi->inter_tx_size[tx_row][tx_col]) { |
| aom_write(w, 0, cm->fc->txfm_partition_prob[ctx]); |
| txfm_partition_update(xd->above_txfm_context + tx_col, |
| xd->left_txfm_context + tx_row, tx_size); |
| } else { |
| const TX_SIZE sub_txs = sub_tx_size_map[tx_size]; |
| const int bsl = tx_size_wide_unit[sub_txs]; |
| int i; |
| |
| aom_write(w, 1, cm->fc->txfm_partition_prob[ctx]); |
| |
| if (tx_size == TX_8X8) { |
| txfm_partition_update(xd->above_txfm_context + tx_col, |
| xd->left_txfm_context + tx_row, TX_4X4); |
| return; |
| } |
| |
| assert(bsl > 0); |
| for (i = 0; i < 4; ++i) { |
| int offsetr = blk_row + (i >> 1) * bsl; |
| int offsetc = blk_col + (i & 0x01) * bsl; |
| write_tx_size_vartx(cm, xd, mbmi, sub_txs, depth + 1, offsetr, offsetc, |
| w); |
| } |
| } |
| } |
| |
| static void update_txfm_partition_probs(AV1_COMMON *cm, aom_writer *w, |
| FRAME_COUNTS *counts, int probwt) { |
| int k; |
| for (k = 0; k < TXFM_PARTITION_CONTEXTS; ++k) |
| av1_cond_prob_diff_update(w, &cm->fc->txfm_partition_prob[k], |
| counts->txfm_partition[k], probwt); |
| } |
| #endif |
| |
| static void write_selected_tx_size(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| aom_writer *w) { |
| const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi; |
| const BLOCK_SIZE bsize = mbmi->sb_type; |
| // 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]; |
| const int depth = tx_size_to_depth(coded_tx_size); |
| |
| #if CONFIG_EXT_TX && CONFIG_RECT_TX |
| assert(IMPLIES(is_rect_tx(tx_size), is_rect_tx_allowed(xd, mbmi))); |
| assert( |
| IMPLIES(is_rect_tx(tx_size), tx_size == max_txsize_rect_lookup[bsize])); |
| #endif // CONFIG_EXT_TX && CONFIG_RECT_TX |
| |
| av1_write_token(w, av1_tx_size_tree[tx_size_cat], |
| cm->fc->tx_size_probs[tx_size_cat][tx_size_ctx], |
| &tx_size_encodings[tx_size_cat][depth]); |
| } |
| } |
| |
| #if CONFIG_REF_MV |
| static void update_inter_mode_probs(AV1_COMMON *cm, aom_writer *w, |
| FRAME_COUNTS *counts) { |
| int i; |
| #if CONFIG_TILE_GROUPS |
| const int probwt = cm->num_tg; |
| #else |
| const int probwt = 1; |
| #endif |
| for (i = 0; i < NEWMV_MODE_CONTEXTS; ++i) |
| av1_cond_prob_diff_update(w, &cm->fc->newmv_prob[i], counts->newmv_mode[i], |
| probwt); |
| for (i = 0; i < ZEROMV_MODE_CONTEXTS; ++i) |
| av1_cond_prob_diff_update(w, &cm->fc->zeromv_prob[i], |
| counts->zeromv_mode[i], probwt); |
| for (i = 0; i < REFMV_MODE_CONTEXTS; ++i) |
| av1_cond_prob_diff_update(w, &cm->fc->refmv_prob[i], counts->refmv_mode[i], |
| probwt); |
| for (i = 0; i < DRL_MODE_CONTEXTS; ++i) |
| av1_cond_prob_diff_update(w, &cm->fc->drl_prob[i], counts->drl_mode[i], |
| probwt); |
| #if CONFIG_EXT_INTER |
| av1_cond_prob_diff_update(w, &cm->fc->new2mv_prob, counts->new2mv_mode, |
| probwt); |
| #endif // CONFIG_EXT_INTER |
| } |
| #endif |
| |
| #if CONFIG_EXT_INTER |
| static void update_inter_compound_mode_probs(AV1_COMMON *cm, int probwt, |
| aom_writer *w) { |
| const int savings_thresh = av1_cost_one(GROUP_DIFF_UPDATE_PROB) - |
| av1_cost_zero(GROUP_DIFF_UPDATE_PROB); |
| int i; |
| int savings = 0; |
| int do_update = 0; |
| for (i = 0; i < INTER_MODE_CONTEXTS; ++i) { |
| savings += prob_diff_update_savings( |
| av1_inter_compound_mode_tree, cm->fc->inter_compound_mode_probs[i], |
| cm->counts.inter_compound_mode[i], INTER_COMPOUND_MODES, probwt); |
| } |
| do_update = savings > savings_thresh; |
| aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB); |
| if (do_update) { |
| for (i = 0; i < INTER_MODE_CONTEXTS; ++i) { |
| prob_diff_update( |
| av1_inter_compound_mode_tree, cm->fc->inter_compound_mode_probs[i], |
| cm->counts.inter_compound_mode[i], INTER_COMPOUND_MODES, probwt, w); |
| } |
| } |
| } |
| #endif // CONFIG_EXT_INTER |
| |
| static int write_skip(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| int segment_id, const MODE_INFO *mi, aom_writer *w) { |
| if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) { |
| return 1; |
| } else { |
| const int skip = mi->mbmi.skip; |
| aom_write(w, skip, av1_get_skip_prob(cm, xd)); |
| return skip; |
| } |
| } |
| |
| #if CONFIG_DELTA_Q |
| static void write_delta_qindex(const AV1_COMMON *cm, int delta_qindex, |
| aom_writer *w) { |
| int sign = delta_qindex < 0; |
| int abs = sign ? -delta_qindex : delta_qindex; |
| int rem_bits, thr, i = 0; |
| int smallval = abs < DELTA_Q_SMALL ? 1 : 0; |
| |
| while (i < DELTA_Q_SMALL && i <= abs) { |
| int bit = (i < abs); |
| aom_write(w, bit, cm->fc->delta_q_prob[i]); |
| i++; |
| } |
| |
| if (!smallval) { |
| rem_bits = OD_ILOG_NZ(abs - 1) - 1; |
| thr = (1 << rem_bits) + 1; |
| aom_write_literal(w, rem_bits, 3); |
| aom_write_literal(w, abs - thr, rem_bits); |
| } |
| if (abs > 0) { |
| aom_write_bit(w, sign); |
| } |
| } |
| |
| static void update_delta_q_probs(AV1_COMMON *cm, aom_writer *w, |
| FRAME_COUNTS *counts) { |
| int k; |
| #if CONFIG_TILE_GROUPS |
| const int probwt = cm->num_tg; |
| #else |
| const int probwt = 1; |
| #endif |
| for (k = 0; k < DELTA_Q_CONTEXTS; ++k) { |
| av1_cond_prob_diff_update(w, &cm->fc->delta_q_prob[k], counts->delta_q[k], |
| probwt); |
| } |
| } |
| #endif |
| |
| static void update_skip_probs(AV1_COMMON *cm, aom_writer *w, |
| FRAME_COUNTS *counts) { |
| int k; |
| #if CONFIG_TILE_GROUPS |
| const int probwt = cm->num_tg; |
| #else |
| const int probwt = 1; |
| #endif |
| for (k = 0; k < SKIP_CONTEXTS; ++k) { |
| av1_cond_prob_diff_update(w, &cm->fc->skip_probs[k], counts->skip[k], |
| probwt); |
| } |
| } |
| |
| #if !CONFIG_EC_ADAPT |
| static void update_switchable_interp_probs(AV1_COMMON *cm, aom_writer *w, |
| FRAME_COUNTS *counts) { |
| int j; |
| for (j = 0; j < SWITCHABLE_FILTER_CONTEXTS; ++j) { |
| #if CONFIG_TILE_GROUPS |
| const int probwt = cm->num_tg; |
| #else |
| const int probwt = 1; |
| #endif |
| prob_diff_update( |
| av1_switchable_interp_tree, cm->fc->switchable_interp_prob[j], |
| counts->switchable_interp[j], SWITCHABLE_FILTERS, probwt, w); |
| } |
| } |
| #endif |
| |
| #if CONFIG_EXT_TX |
| static void update_ext_tx_probs(AV1_COMMON *cm, aom_writer *w) { |
| const int savings_thresh = av1_cost_one(GROUP_DIFF_UPDATE_PROB) - |
| av1_cost_zero(GROUP_DIFF_UPDATE_PROB); |
| int i, j; |
| int s; |
| #if CONFIG_TILE_GROUPS |
| const int probwt = cm->num_tg; |
| #else |
| const int probwt = 1; |
| #endif |
| for (s = 1; s < EXT_TX_SETS_INTER; ++s) { |
| int savings = 0; |
| int do_update = 0; |
| for (i = TX_4X4; i < EXT_TX_SIZES; ++i) { |
| if (!use_inter_ext_tx_for_txsize[s][i]) continue; |
| savings += prob_diff_update_savings( |
| av1_ext_tx_inter_tree[s], cm->fc->inter_ext_tx_prob[s][i], |
| cm->counts.inter_ext_tx[s][i], num_ext_tx_set_inter[s], probwt); |
| } |
| do_update = savings > savings_thresh; |
| aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB); |
| if (do_update) { |
| for (i = TX_4X4; i < EXT_TX_SIZES; ++i) { |
| if (!use_inter_ext_tx_for_txsize[s][i]) continue; |
| prob_diff_update( |
| av1_ext_tx_inter_tree[s], cm->fc->inter_ext_tx_prob[s][i], |
| cm->counts.inter_ext_tx[s][i], num_ext_tx_set_inter[s], probwt, w); |
| } |
| } |
| } |
| |
| for (s = 1; s < EXT_TX_SETS_INTRA; ++s) { |
| int savings = 0; |
| int do_update = 0; |
| for (i = TX_4X4; i < EXT_TX_SIZES; ++i) { |
| if (!use_intra_ext_tx_for_txsize[s][i]) continue; |
| for (j = 0; j < INTRA_MODES; ++j) |
| savings += prob_diff_update_savings( |
| av1_ext_tx_intra_tree[s], cm->fc->intra_ext_tx_prob[s][i][j], |
| cm->counts.intra_ext_tx[s][i][j], num_ext_tx_set_intra[s], probwt); |
| } |
| do_update = savings > savings_thresh; |
| aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB); |
| if (do_update) { |
| for (i = TX_4X4; i < EXT_TX_SIZES; ++i) { |
| if (!use_intra_ext_tx_for_txsize[s][i]) continue; |
| for (j = 0; j < INTRA_MODES; ++j) |
| prob_diff_update(av1_ext_tx_intra_tree[s], |
| cm->fc->intra_ext_tx_prob[s][i][j], |
| cm->counts.intra_ext_tx[s][i][j], |
| num_ext_tx_set_intra[s], probwt, w); |
| } |
| } |
| } |
| } |
| |
| #else |
| #if !CONFIG_EC_ADAPT |
| static void update_ext_tx_probs(AV1_COMMON *cm, aom_writer *w) { |
| const int savings_thresh = av1_cost_one(GROUP_DIFF_UPDATE_PROB) - |
| av1_cost_zero(GROUP_DIFF_UPDATE_PROB); |
| int i, j; |
| |
| int savings = 0; |
| int do_update = 0; |
| #if CONFIG_TILE_GROUPS |
| const int probwt = cm->num_tg; |
| #else |
| const int probwt = 1; |
| #endif |
| for (i = TX_4X4; i < EXT_TX_SIZES; ++i) { |
| for (j = 0; j < TX_TYPES; ++j) |
| savings += prob_diff_update_savings( |
| av1_ext_tx_tree, cm->fc->intra_ext_tx_prob[i][j], |
| cm->counts.intra_ext_tx[i][j], TX_TYPES, probwt); |
| } |
| do_update = savings > savings_thresh; |
| aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB); |
| if (do_update) { |
| for (i = TX_4X4; i < EXT_TX_SIZES; ++i) { |
| for (j = 0; j < TX_TYPES; ++j) { |
| prob_diff_update(av1_ext_tx_tree, cm->fc->intra_ext_tx_prob[i][j], |
| cm->counts.intra_ext_tx[i][j], TX_TYPES, probwt, w); |
| } |
| } |
| } |
| |
| savings = 0; |
| for (i = TX_4X4; i < EXT_TX_SIZES; ++i) { |
| savings += |
| prob_diff_update_savings(av1_ext_tx_tree, cm->fc->inter_ext_tx_prob[i], |
| cm->counts.inter_ext_tx[i], TX_TYPES, probwt); |
| } |
| do_update = savings > savings_thresh; |
| aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB); |
| if (do_update) { |
| for (i = TX_4X4; i < EXT_TX_SIZES; ++i) { |
| prob_diff_update(av1_ext_tx_tree, cm->fc->inter_ext_tx_prob[i], |
| cm->counts.inter_ext_tx[i], TX_TYPES, probwt, w); |
| } |
| } |
| } |
| #endif // CONFIG_EXT_TX |
| #endif |
| #if CONFIG_PALETTE |
| static void pack_palette_tokens(aom_writer *w, const TOKENEXTRA **tp, int n, |
| int num) { |
| int i; |
| const TOKENEXTRA *p = *tp; |
| |
| for (i = 0; i < num; ++i) { |
| av1_write_token(w, av1_palette_color_tree[n - 2], p->context_tree, |
| &palette_color_encodings[n - 2][p->token]); |
| ++p; |
| } |
| |
| *tp = p; |
| } |
| #endif // CONFIG_PALETTE |
| |
| #if CONFIG_SUPERTX |
| static void update_supertx_probs(AV1_COMMON *cm, int probwt, aom_writer *w) { |
| const int savings_thresh = av1_cost_one(GROUP_DIFF_UPDATE_PROB) - |
| av1_cost_zero(GROUP_DIFF_UPDATE_PROB); |
| int i, j; |
| int savings = 0; |
| int do_update = 0; |
| for (i = 0; i < PARTITION_SUPERTX_CONTEXTS; ++i) { |
| for (j = 1; j < TX_SIZES; ++j) { |
| savings += av1_cond_prob_diff_update_savings( |
| &cm->fc->supertx_prob[i][j], cm->counts.supertx[i][j], probwt); |
| } |
| } |
| do_update = savings > savings_thresh; |
| aom_write(w, do_update, GROUP_DIFF_UPDATE_PROB); |
| if (do_update) { |
| for (i = 0; i < PARTITION_SUPERTX_CONTEXTS; ++i) { |
| for (j = 1; j < TX_SIZES; ++j) { |
| av1_cond_prob_diff_update(w, &cm->fc->supertx_prob[i][j], |
| cm->counts.supertx[i][j], probwt); |
| } |
| } |
| } |
| } |
| #endif // CONFIG_SUPERTX |
| |
| static void pack_mb_tokens(aom_writer *w, const TOKENEXTRA **tp, |
| const TOKENEXTRA *const stop, |
| aom_bit_depth_t bit_depth, const TX_SIZE tx_size, |
| TOKEN_STATS *token_stats) { |
| const TOKENEXTRA *p = *tp; |
| #if CONFIG_VAR_TX |
| int count = 0; |
| const int seg_eob = tx_size_2d[tx_size]; |
| #endif |
| #if CONFIG_AOM_HIGHBITDEPTH |
| const av1_extra_bit *const extra_bits_table = |
| (bit_depth == AOM_BITS_12) |
| ? av1_extra_bits_high12 |
| : (bit_depth == AOM_BITS_10) ? av1_extra_bits_high10 : av1_extra_bits; |
| #else |
| const av1_extra_bit *const extra_bits_table = av1_extra_bits; |
| (void)bit_depth; |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| while (p < stop && p->token != EOSB_TOKEN) { |
| const int token = p->token; |
| aom_tree_index index = 0; |
| #if !CONFIG_EC_MULTISYMBOL |
| const struct av1_token *const coef_encoding = &av1_coef_encodings[token]; |
| int coef_value = coef_encoding->value; |
| int coef_length = coef_encoding->len; |
| #endif // !CONFIG_EC_MULTISYMBOL |
| const av1_extra_bit *const extra_bits = &extra_bits_table[token]; |
| |
| #if CONFIG_EC_MULTISYMBOL |
| /* skip one or two nodes */ |
| if (!p->skip_eob_node) |
| aom_write_record(w, token != EOB_TOKEN, p->context_tree[0], token_stats); |
| |
| if (token != EOB_TOKEN) { |
| aom_write_record(w, token != ZERO_TOKEN, p->context_tree[1], token_stats); |
| |
| if (token != ZERO_TOKEN) { |
| aom_write_symbol(w, token - ONE_TOKEN, *p->token_cdf, |
| CATEGORY6_TOKEN - ONE_TOKEN + 1); |
| } |
| } |
| #else |
| /* skip one or two nodes */ |
| if (p->skip_eob_node) |
| coef_length -= p->skip_eob_node; |
| else |
| aom_write_record(w, token != EOB_TOKEN, p->context_tree[0], token_stats); |
| |
| if (token != EOB_TOKEN) { |
| aom_write_record(w, token != ZERO_TOKEN, p->context_tree[1], token_stats); |
| |
| if (token != ZERO_TOKEN) { |
| aom_write_record(w, token != ONE_TOKEN, p->context_tree[2], |
| token_stats); |
| |
| if (token != ONE_TOKEN) { |
| const int unconstrained_len = UNCONSTRAINED_NODES - p->skip_eob_node; |
| aom_write_tree_record( |
| w, av1_coef_con_tree, |
| av1_pareto8_full[p->context_tree[PIVOT_NODE] - 1], coef_value, |
| coef_length - unconstrained_len, 0, token_stats); |
| } |
| } |
| } |
| #endif // CONFIG_EC_MULTISYMBOL |
| |
| if (extra_bits->base_val) { |
| const int bit_string = p->extra; |
| const int bit_string_length = extra_bits->len; // Length of extra bits to |
| // be written excluding |
| // the sign bit. |
| int skip_bits = (extra_bits->base_val == CAT6_MIN_VAL) |
| ? TX_SIZES - 1 - txsize_sqr_up_map[tx_size] |
| : 0; |
| |
| if (bit_string_length > 0) { |
| const unsigned char *pb = extra_bits->prob; |
| const int value = bit_string >> 1; |
| const int num_bits = bit_string_length; // number of bits in value |
| assert(num_bits > 0); |
| |
| for (index = 0; index < num_bits; ++index) { |
| const int shift = num_bits - index - 1; |
| const int bb = (value >> shift) & 1; |
| if (skip_bits) { |
| --skip_bits; |
| assert(!bb); |
| } else { |
| aom_write_record(w, bb, pb[index], token_stats); |
| } |
| } |
| } |
| |
| aom_write_bit_record(w, bit_string & 1, token_stats); |
| } |
| ++p; |
| |
| #if CONFIG_VAR_TX |
| ++count; |
| if (token == EOB_TOKEN || count == seg_eob) break; |
| #endif |
| } |
| |
| *tp = p; |
| } |
| |
| #if CONFIG_VAR_TX |
| static void pack_txb_tokens(aom_writer *w, const TOKENEXTRA **tp, |
| const TOKENEXTRA *const tok_end, MACROBLOCKD *xd, |
| MB_MODE_INFO *mbmi, int plane, |
| BLOCK_SIZE plane_bsize, aom_bit_depth_t bit_depth, |
| int block, int blk_row, int blk_col, |
| TX_SIZE tx_size, TOKEN_STATS *token_stats) { |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const BLOCK_SIZE bsize = txsize_to_bsize[tx_size]; |
| const int tx_row = blk_row >> (1 - pd->subsampling_y); |
| const int tx_col = blk_col >> (1 - pd->subsampling_x); |
| TX_SIZE plane_tx_size; |
| const int max_blocks_high = max_block_high(xd, plane_bsize, plane); |
| const int max_blocks_wide = max_block_wide(xd, plane_bsize, plane); |
| |
| if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return; |
| |
| plane_tx_size = |
| plane ? uv_txsize_lookup[bsize][mbmi->inter_tx_size[tx_row][tx_col]][0][0] |
| : mbmi->inter_tx_size[tx_row][tx_col]; |
| |
| if (tx_size == plane_tx_size) { |
| pack_mb_tokens(w, tp, tok_end, bit_depth, tx_size, token_stats); |
| } else { |
| const int bsl = block_size_wide[bsize] >> (tx_size_wide_log2[0] + 1); |
| int i; |
| |
| assert(bsl > 0); |
| |
| for (i = 0; i < 4; ++i) { |
| const int offsetr = blk_row + (i >> 1) * bsl; |
| const int offsetc = blk_col + (i & 0x01) * bsl; |
| const TX_SIZE sub_txs = tx_size - 1; |
| const int step = tx_size_wide_unit[sub_txs] * tx_size_high_unit[sub_txs]; |
| |
| if (offsetr >= max_blocks_high || offsetc >= max_blocks_wide) continue; |
| |
| pack_txb_tokens(w, tp, tok_end, xd, mbmi, plane, plane_bsize, bit_depth, |
| block, offsetr, offsetc, sub_txs, token_stats); |
| block += step; |
| } |
| } |
| } |
| #endif |
| |
| static void write_segment_id(aom_writer *w, const struct segmentation *seg, |
| struct segmentation_probs *segp, int segment_id) { |
| if (seg->enabled && seg->update_map) { |
| #if CONFIG_DAALA_EC |
| aom_write_symbol(w, segment_id, segp->tree_cdf, MAX_SEGMENTS); |
| #else |
| aom_write_tree(w, av1_segment_tree, segp->tree_probs, segment_id, 3, 0); |
| #endif |
| } |
| } |
| |
| // This function encodes the reference frame |
| static void write_ref_frames(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| aom_writer *w) { |
| const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi; |
| const int is_compound = has_second_ref(mbmi); |
| const int segment_id = mbmi->segment_id; |
| |
| // If segment level coding of this signal is disabled... |
| // or the segment allows multiple reference frame options |
| if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) { |
| assert(!is_compound); |
| assert(mbmi->ref_frame[0] == |
| get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME)); |
| } else { |
| // does the feature use compound prediction or not |
| // (if not specified at the frame/segment level) |
| if (cm->reference_mode == REFERENCE_MODE_SELECT) { |
| aom_write(w, is_compound, av1_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 |
| |
| aom_write(w, bit, av1_get_pred_prob_comp_ref_p(cm, xd)); |
| |
| #if CONFIG_EXT_REFS |
| if (!bit) { |
| const int bit1 = mbmi->ref_frame[0] == LAST_FRAME; |
| aom_write(w, bit1, av1_get_pred_prob_comp_ref_p1(cm, xd)); |
| } else { |
| const int bit2 = mbmi->ref_frame[0] == GOLDEN_FRAME; |
| aom_write(w, bit2, av1_get_pred_prob_comp_ref_p2(cm, xd)); |
| } |
| aom_write(w, bit_bwd, av1_get_pred_prob_comp_bwdref_p(cm, xd)); |
| #endif // CONFIG_EXT_REFS |
| } else { |
| #if CONFIG_EXT_REFS |
| const int bit0 = (mbmi->ref_frame[0] == ALTREF_FRAME || |
| mbmi->ref_frame[0] == BWDREF_FRAME); |
| aom_write(w, bit0, av1_get_pred_prob_single_ref_p1(cm, xd)); |
| |
| if (bit0) { |
| const int bit1 = mbmi->ref_frame[0] == ALTREF_FRAME; |
| aom_write(w, bit1, av1_get_pred_prob_single_ref_p2(cm, xd)); |
| } else { |
| const int bit2 = (mbmi->ref_frame[0] == LAST3_FRAME || |
| mbmi->ref_frame[0] == GOLDEN_FRAME); |
| aom_write(w, bit2, av1_get_pred_prob_single_ref_p3(cm, xd)); |
| |
| if (!bit2) { |
| const int bit3 = mbmi->ref_frame[0] != LAST_FRAME; |
| aom_write(w, bit3, av1_get_pred_prob_single_ref_p4(cm, xd)); |
| } else { |
| const int bit4 = mbmi->ref_frame[0] != LAST3_FRAME; |
| aom_write(w, bit4, av1_get_pred_prob_single_ref_p5(cm, xd)); |
| } |
| } |
| #else // CONFIG_EXT_REFS |
| const int bit0 = mbmi->ref_frame[0] != LAST_FRAME; |
| aom_write(w, bit0, av1_get_pred_prob_single_ref_p1(cm, xd)); |
| |
| if (bit0) { |
| const int bit1 = mbmi->ref_frame[0] != GOLDEN_FRAME; |
| aom_write(w, bit1, av1_get_pred_prob_single_ref_p2(cm, xd)); |
| } |
| #endif // CONFIG_EXT_REFS |
| } |
| } |
| } |
| |
| #if CONFIG_FILTER_INTRA |
| static void write_filter_intra_mode_info(const AV1_COMMON *const cm, |
| const MB_MODE_INFO *const mbmi, |
| aom_writer *w) { |
| if (mbmi->mode == DC_PRED |
| #if CONFIG_PALETTE |
| && mbmi->palette_mode_info.palette_size[0] == 0 |
| #endif // CONFIG_PALETTE |
| ) { |
| aom_write(w, mbmi->filter_intra_mode_info.use_filter_intra_mode[0], |
| cm->fc->filter_intra_probs[0]); |
| if (mbmi->filter_intra_mode_info.use_filter_intra_mode[0]) { |
| const FILTER_INTRA_MODE mode = |
| mbmi->filter_intra_mode_info.filter_intra_mode[0]; |
| write_uniform(w, FILTER_INTRA_MODES, mode); |
| } |
| } |
| |
| if (mbmi->uv_mode == DC_PRED |
| #if CONFIG_PALETTE |
| && mbmi->palette_mode_info.palette_size[1] == 0 |
| #endif // CONFIG_PALETTE |
| ) { |
| aom_write(w, mbmi->filter_intra_mode_info.use_filter_intra_mode[1], |
| cm->fc->filter_intra_probs[1]); |
| if (mbmi->filter_intra_mode_info.use_filter_intra_mode[1]) { |
| const FILTER_INTRA_MODE mode = |
| mbmi->filter_intra_mode_info.filter_intra_mode[1]; |
| write_uniform(w, FILTER_INTRA_MODES, mode); |
| } |
| } |
| } |
| #endif // CONFIG_FILTER_INTRA |
| |
| #if CONFIG_EXT_INTRA |
| static void write_intra_angle_info(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| aom_writer *w) { |
| const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi; |
| const BLOCK_SIZE bsize = mbmi->sb_type; |
| const int intra_filter_ctx = av1_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 (av1_is_intra_filter_switchable(p_angle)) { |
| av1_write_token(w, av1_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(AV1_COMP *cpi, const MACROBLOCKD *xd, |
| aom_writer *w) { |
| AV1_COMMON *const cm = &cpi->common; |
| const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi; |
| #if CONFIG_DUAL_FILTER |
| int dir; |
| #endif |
| if (cm->interp_filter == SWITCHABLE) { |
| #if CONFIG_EXT_INTERP |
| #if CONFIG_DUAL_FILTER |
| if (!av1_is_interp_needed(xd)) { |
| assert(mbmi->interp_filter[0] == EIGHTTAP_REGULAR); |
| return; |
| } |
| #else |
| if (!av1_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 = av1_get_pred_context_switchable_interp(xd, dir); |
| av1_write_token(w, av1_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 = av1_get_pred_context_switchable_interp(xd); |
| #if CONFIG_DAALA_EC |
| aom_write_symbol(w, av1_switchable_interp_ind[mbmi->interp_filter], |
| cm->fc->switchable_interp_cdf[ctx], SWITCHABLE_FILTERS); |
| #else |
| av1_write_token(w, av1_switchable_interp_tree, |
| cm->fc->switchable_interp_prob[ctx], |
| &switchable_interp_encodings[mbmi->interp_filter]); |
| #endif |
| ++cpi->interp_filter_selected[0][mbmi->interp_filter]; |
| } |
| #endif |
| } |
| } |
| |
| #if CONFIG_PALETTE |
| static void write_palette_mode_info(const AV1_COMMON *cm, const MACROBLOCKD *xd, |
| const MODE_INFO *const mi, aom_writer *w) { |
| const MB_MODE_INFO *const mbmi = &mi->mbmi; |
| const MODE_INFO *const above_mi = xd->above_mi; |
| const MODE_INFO *const left_mi = xd->left_mi; |
| const BLOCK_SIZE bsize = mbmi->sb_type; |
| const PALETTE_MODE_INFO *const pmi = &mbmi->palette_mode_info; |
| 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); |
| aom_write(w, n > 0, |
| av1_default_palette_y_mode_prob[bsize - BLOCK_8X8][palette_ctx]); |
| if (n > 0) { |
| av1_write_token(w, av1_palette_size_tree, |
| av1_default_palette_y_size_prob[bsize - BLOCK_8X8], |
| &palette_size_encodings[n - 2]); |
| for (i = 0; i < n; ++i) |
| aom_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]; |
| aom_write(w, n > 0, |
| av1_default_palette_uv_mode_prob[pmi->palette_size[0] > 0]); |
| if (n > 0) { |
| av1_write_token(w, av1_palette_size_tree, |
| av1_default_palette_uv_size_prob[bsize - BLOCK_8X8], |
| &palette_size_encodings[n - 2]); |
| for (i = 0; i < n; ++i) { |
| aom_write_literal(w, pmi->palette_colors[PALETTE_MAX_SIZE + i], |
| cm->bit_depth); |
| aom_write_literal(w, pmi->palette_colors[2 * PALETTE_MAX_SIZE + i], |
| cm->bit_depth); |
| } |
| write_uniform(w, n, pmi->palette_first_color_idx[1]); |
| } |
| } |
| } |
| #endif // CONFIG_PALETTE |
| |
| static void write_tx_type(const AV1_COMMON *const cm, |
| const MB_MODE_INFO *const mbmi, |
| #if CONFIG_SUPERTX |
| const int supertx_enabled, |
| #endif |
| aom_writer *w) { |
| const int is_inter = is_inter_block(mbmi); |
| #if CONFIG_VAR_TX |
| const TX_SIZE tx_size = is_inter ? mbmi->min_tx_size : mbmi->tx_size; |
| #else |
| const TX_SIZE tx_size = mbmi->tx_size; |
| #endif |
| if (!FIXED_TX_TYPE) { |
| #if CONFIG_EXT_TX |
| const BLOCK_SIZE bsize = mbmi->sb_type; |
| if (get_ext_tx_types(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(tx_size, bsize, is_inter); |
| if (is_inter) { |
| assert(ext_tx_used_inter[eset][mbmi->tx_type]); |
| if (eset > 0) |
| av1_write_token( |
| w, av1_ext_tx_inter_tree[eset], |
| cm->fc->inter_ext_tx_prob[eset][txsize_sqr_map[tx_size]], |
| &ext_tx_inter_encodings[eset][mbmi->tx_type]); |
| } else if (ALLOW_INTRA_EXT_TX) { |
| if (eset > 0) |
| av1_write_token(w, av1_ext_tx_intra_tree[eset], |
| cm->fc->intra_ext_tx_prob[eset][tx_size][mbmi->mode], |
| &ext_tx_intra_encodings[eset][mbmi->tx_type]); |
| } |
| } |
| #else |
| if (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) { |
| #if CONFIG_DAALA_EC |
| aom_write_symbol(w, av1_ext_tx_ind[mbmi->tx_type], |
| cm->fc->inter_ext_tx_cdf[tx_size], TX_TYPES); |
| #else |
| av1_write_token(w, av1_ext_tx_tree, cm->fc->inter_ext_tx_prob[tx_size], |
| &ext_tx_encodings[mbmi->tx_type]); |
| #endif |
| } else { |
| #if CONFIG_DAALA_EC |
| aom_write_symbol( |
| w, av1_ext_tx_ind[mbmi->tx_type], |
| cm->fc->intra_ext_tx_cdf[tx_size] |
| [intra_mode_to_tx_type_context[mbmi->mode]], |
| TX_TYPES); |
| #else |
| av1_write_token( |
| w, av1_ext_tx_tree, |
| cm->fc |
| ->intra_ext_tx_prob[tx_size] |
| [intra_mode_to_tx_type_context[mbmi->mode]], |
| &ext_tx_encodings[mbmi->tx_type]); |
| #endif |
| } |
| } |
| #endif // CONFIG_EXT_TX |
| } |
| } |
| |
| static void pack_inter_mode_mvs(AV1_COMP *cpi, const MODE_INFO *mi, |
| #if CONFIG_SUPERTX |
| int supertx_enabled, |
| #endif |
| aom_writer *w) { |
| AV1_COMMON *const cm = &cpi->common; |
| #if !CONFIG_REF_MV |
| nmv_context *nmvc = &cm->fc->nmvc; |
| #endif |
| |
| #if CONFIG_DELTA_Q |
| MACROBLOCK *const x = &cpi->td.mb; |
| MACROBLOCKD *const xd = &x->e_mbd; |
| #else |
| const MACROBLOCK *x = &cpi->td.mb; |
| const MACROBLOCKD *xd = &x->e_mbd; |
| #endif |
| const struct segmentation *const seg = &cm->seg; |
| struct segmentation_probs *const segp = &cm->fc->seg; |
| const MB_MODE_INFO *const mbmi = &mi->mbmi; |
| const MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; |
| const PREDICTION_MODE mode = mbmi->mode; |
| const int segment_id = mbmi->segment_id; |
| const BLOCK_SIZE bsize = mbmi->sb_type; |
| const int allow_hp = cm->allow_high_precision_mv; |
| const int is_inter = is_inter_block(mbmi); |
| const int is_compound = has_second_ref(mbmi); |
| int skip, ref; |
| |
| if (seg->update_map) { |
| if (seg->temporal_update) { |
| const int pred_flag = mbmi->seg_id_predicted; |
| aom_prob pred_prob = av1_get_pred_prob_seg_id(segp, xd); |
| aom_write(w, pred_flag, pred_prob); |
| if (!pred_flag) write_segment_id(w, seg, segp, segment_id); |
| } else { |
| write_segment_id(w, seg, segp, segment_id); |
| } |
| } |
| |
| #if CONFIG_SUPERTX |
| if (supertx_enabled) |
| skip = mbmi->skip; |
| else |
| skip = write_skip(cm, xd, segment_id, mi, w); |
| #else |
| skip = write_skip(cm, xd, segment_id, mi, w); |
| #endif // CONFIG_SUPERTX |
| #if CONFIG_DELTA_Q |
| if (cm->delta_q_present_flag) { |
| int mi_row = (-xd->mb_to_top_edge) >> (MI_SIZE_LOG2 + 3); |
| int mi_col = (-xd->mb_to_left_edge) >> (MI_SIZE_LOG2 + 3); |
| int super_block_upper_left = |
| ((mi_row & MAX_MIB_MASK) == 0) && ((mi_col & MAX_MIB_MASK) == 0); |
| if ((bsize != BLOCK_64X64 || skip == 0) && super_block_upper_left) { |
| int reduced_delta_qindex = |
| (mbmi->current_q_index - xd->prev_qindex) / cm->delta_q_res; |
| write_delta_qindex(cm, reduced_delta_qindex, w); |
| xd->prev_qindex = mbmi->current_q_index; |
| } |
| } |
| #endif |
| |
| #if CONFIG_SUPERTX |
| if (!supertx_enabled) |
| #endif // CONFIG_SUPERTX |
| if (!segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) |
| aom_write(w, is_inter, av1_get_intra_inter_prob(cm, xd)); |
| |
| if (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 bh = tx_size_high_unit[max_tx_size]; |
| const int bw = tx_size_wide_unit[max_tx_size]; |
| const int width = num_4x4_blocks_wide_lookup[bsize]; |
| const int height = num_4x4_blocks_high_lookup[bsize]; |
| int idx, idy; |
| |
| #if CONFIG_EXT_TX && CONFIG_RECT_TX |
| if (is_rect_tx_allowed(xd, mbmi)) { |
| int tx_size_cat = inter_tx_size_cat_lookup[bsize]; |
| |
| aom_write(w, is_rect_tx(mbmi->tx_size), |
| cm->fc->rect_tx_prob[tx_size_cat]); |
| } |
| |
| if (is_rect_tx(mbmi->tx_size)) { |
| set_txfm_ctxs(mbmi->tx_size, xd->n8_w, xd->n8_h, xd); |
| } else { |
| #endif // CONFIG_EXT_TX && CONFIG_RECT_TX |
| for (idy = 0; idy < height; idy += bh) |
| for (idx = 0; idx < width; idx += bw) |
| write_tx_size_vartx(cm, xd, mbmi, max_tx_size, height != width, idy, |
| idx, w); |
| #if CONFIG_EXT_TX && CONFIG_RECT_TX |
| } |
| #endif // CONFIG_EXT_TX && CONFIG_RECT_TX |
| } 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) { |
| #if CONFIG_DAALA_EC |
| aom_write_symbol(w, av1_intra_mode_ind[mode], |
| cm->fc->y_mode_cdf[size_group_lookup[bsize]], |
| INTRA_MODES); |
| #else |
| write_intra_mode(w, mode, cm->fc->y_mode_prob[size_group_lookup[bsize]]); |
| #endif |
| } 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; |
| #if CONFIG_DAALA_EC |
| aom_write_symbol(w, av1_intra_mode_ind[b_mode], cm->fc->y_mode_cdf[0], |
| INTRA_MODES); |
| #else |
| write_intra_mode(w, b_mode, cm->fc->y_mode_prob[0]); |
| #endif |
| } |
| } |
| } |
| #if CONFIG_DAALA_EC |
| aom_write_symbol(w, av1_intra_mode_ind[mbmi->uv_mode], |
| cm->fc->uv_mode_cdf[mode], INTRA_MODES); |
| #else |
| write_intra_mode(w, mbmi->uv_mode, cm->fc->uv_mode_prob[mode]); |
| #endif |
| #if CONFIG_EXT_INTRA |
| write_intra_angle_info(cm, xd, w); |
| #endif // CONFIG_EXT_INTRA |
| #if CONFIG_PALETTE |
| if (bsize >= BLOCK_8X8 && cm->allow_screen_content_tools) |
| write_palette_mode_info(cm, xd, mi, w); |
| #endif // CONFIG_PALETTE |
| #if CONFIG_FILTER_INTRA |
| if (bsize >= BLOCK_8X8) write_filter_intra_mode_info(cm, mbmi, w); |
| #endif // CONFIG_FILTER_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 = av1_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 = av1_mode_context_analyzer(mbmi_ext->mode_context, |
| mbmi->ref_frame, bsize, j); |
| #endif |
| #if CONFIG_EXT_INTER |
| if (is_inter_compound_mode(b_mode)) |
| write_inter_compound_mode(cm, w, b_mode, mode_ctx); |
| else if (is_inter_singleref_mode(b_mode)) |
| #endif // CONFIG_EXT_INTER |
| write_inter_mode(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 |
| int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); |
| int nmv_ctx = av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type], |
| mbmi_ext->ref_mv_stack[rf_type], ref, |
| mbmi->ref_mv_idx); |
| nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx]; |
| #endif |
| av1_encode_mv(cpi, w, &mi->bmi[j].as_mv[ref].as_mv, |
| #if CONFIG_EXT_INTER |
| &mi->bmi[j].ref_mv[ref].as_mv, |
| #if CONFIG_REF_MV |
| is_compound, |
| #endif |
| #else |
| #if CONFIG_REF_MV |
| &mi->bmi[j].pred_mv[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 |
| int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); |
| int nmv_ctx = av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type], |
| mbmi_ext->ref_mv_stack[rf_type], 1, |
| mbmi->ref_mv_idx); |
| nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx]; |
| #endif |
| av1_encode_mv(cpi, w, &mi->bmi[j].as_mv[1].as_mv, |
| &mi->bmi[j].ref_mv[1].as_mv, |
| #if CONFIG_REF_MV |
| is_compound, |
| #endif |
| nmvc, allow_hp); |
| } else if (b_mode == NEW_NEARESTMV || b_mode == NEW_NEARMV) { |
| #if CONFIG_REF_MV |
| int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); |
| int nmv_ctx = av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type], |
| mbmi_ext->ref_mv_stack[rf_type], 0, |
| mbmi->ref_mv_idx); |
| nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx]; |
| #endif |
| av1_encode_mv(cpi, w, &mi->bmi[j].as_mv[0].as_mv, |
| &mi->bmi[j].ref_mv[0].as_mv, |
| #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 |
| int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); |
| int nmv_ctx = av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type], |
| mbmi_ext->ref_mv_stack[rf_type], ref, |
| mbmi->ref_mv_idx); |
| nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx]; |
| #endif |
| ref_mv = mbmi_ext->ref_mvs[mbmi->ref_frame[ref]][0]; |
| #if CONFIG_EXT_INTER |
| if (mode == NEWFROMNEARMV) |
| av1_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 |
| av1_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 |
| int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); |
| int nmv_ctx = |
| av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type], |
| mbmi_ext->ref_mv_stack[rf_type], 1, mbmi->ref_mv_idx); |
| nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx]; |
| #endif |
| av1_encode_mv(cpi, w, &mbmi->mv[1].as_mv, |
| &mbmi_ext->ref_mvs[mbmi->ref_frame[1]][0].as_mv, |
| #if CONFIG_REF_MV |
| is_compound, |
| #endif |
| nmvc, allow_hp); |
| } else if (mode == NEW_NEARESTMV || mode == NEW_NEARMV) { |
| #if CONFIG_REF_MV |
| int8_t rf_type = av1_ref_frame_type(mbmi->ref_frame); |
| int nmv_ctx = |
| av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type], |
| mbmi_ext->ref_mv_stack[rf_type], 0, mbmi->ref_mv_idx); |
| nmv_context *nmvc = &cm->fc->nmvc[nmv_ctx]; |
| #endif |
| av1_encode_mv(cpi, w, &mbmi->mv[0].as_mv, |
| &mbmi_ext->ref_mvs[mbmi->ref_frame[0]][0].as_mv, |
| #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]; |
| aom_write(w, interintra, cm->fc->interintra_prob[bsize_group]); |
| if (interintra) { |
| write_interintra_mode(w, mbmi->interintra_mode, |
| cm->fc->interintra_mode_prob[bsize_group]); |
| if (is_interintra_wedge_used(bsize)) { |
| aom_write(w, mbmi->use_wedge_interintra, |
| cm->fc->wedge_interintra_prob[bsize]); |
| if (mbmi->use_wedge_interintra) { |
| aom_write_literal(w, mbmi->interintra_wedge_index, |
| get_wedge_bits_lookup(bsize)); |
| assert(mbmi->interintra_wedge_sign == 0); |
| } |
| } |
| } |
| } |
| #endif // CONFIG_EXT_INTER |
| |
| #if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION |
| #if CONFIG_SUPERTX |
| if (!supertx_enabled) |
| #endif // CONFIG_SUPERTX |
| #if CONFIG_EXT_INTER |
| if (mbmi->ref_frame[1] != INTRA_FRAME) |
| #endif // CONFIG_EXT_INTER |
| if (is_motion_variation_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_mode < MOTION_MODES); |
| av1_write_token(w, av1_motion_mode_tree, |
| cm->fc->motion_mode_prob[bsize], |
| &motion_mode_encodings[mbmi->motion_mode]); |
| } |
| #endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION |
| |
| #if CONFIG_EXT_INTER |
| if (cpi->common.reference_mode != SINGLE_REFERENCE && |
| is_inter_compound_mode(mbmi->mode) && |
| #if CONFIG_MOTION_VAR |
| !(is_motion_variation_allowed(mbmi) && |
| mbmi->motion_mode != SIMPLE_TRANSLATION) && |
| #endif // CONFIG_MOTION_VAR |
| is_interinter_wedge_used(bsize)) { |
| aom_write(w, mbmi->use_wedge_interinter, |
| cm->fc->wedge_interinter_prob[bsize]); |
| if (mbmi->use_wedge_interinter) { |
| aom_write_literal(w, mbmi->interinter_wedge_index, |
| get_wedge_bits_lookup(bsize)); |
| aom_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 |
| } |
| |
| write_tx_type(cm, mbmi, |
| #if CONFIG_SUPERTX |
| supertx_enabled, |
| #endif |
| w); |
| } |
| |
| #if CONFIG_DELTA_Q |
| static void write_mb_modes_kf(AV1_COMMON *cm, MACROBLOCKD *xd, |
| MODE_INFO **mi_8x8, aom_writer *w) { |
| int skip; |
| #else |
| static void write_mb_modes_kf(AV1_COMMON *cm, const MACROBLOCKD *xd, |
| MODE_INFO **mi_8x8, aom_writer *w) { |
| #endif |
| const struct segmentation *const seg = &cm->seg; |
| 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); |
| |
| #if CONFIG_DELTA_Q |
| skip = write_skip(cm, xd, mbmi->segment_id, mi, w); |
| if (cm->delta_q_present_flag) { |
| int mi_row = (-xd->mb_to_top_edge) >> 6; |
| int mi_col = (-xd->mb_to_left_edge) >> 6; |
| int super_block_upper_left = ((mi_row & 7) == 0) && ((mi_col & 7) == 0); |
| if ((bsize != BLOCK_64X64 || skip == 0) && super_block_upper_left) { |
| int reduced_delta_qindex = |
| (mbmi->current_q_index - xd->prev_qindex) / cm->delta_q_res; |
| write_delta_qindex(cm, reduced_delta_qindex, w); |
| xd->prev_qindex = mbmi->current_q_index; |
| } |
| } |
| #else |
| write_skip(cm, xd, mbmi->segment_id, mi, w); |
| #endif |
| |
| 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) { |
| #if CONFIG_DAALA_EC |
| aom_write_symbol(w, av1_intra_mode_ind[mbmi->mode], |
| get_y_mode_cdf(cm, mi, above_mi, left_mi, 0), INTRA_MODES); |
| #else |
| write_intra_mode(w, mbmi->mode, |
| get_y_mode_probs(cm, mi, above_mi, left_mi, 0)); |
| #endif |
| } 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; |
| #if CONFIG_DAALA_EC |
| aom_write_symbol(w, av1_intra_mode_ind[mi->bmi[block].as_mode], |
| get_y_mode_cdf(cm, mi, above_mi, left_mi, block), |
| INTRA_MODES); |
| #else |
| write_intra_mode(w, mi->bmi[block].as_mode, |
| get_y_mode_probs(cm, mi, above_mi, left_mi, block)); |
| #endif |
| } |
| } |
| } |
| #if CONFIG_DAALA_EC |
| aom_write_symbol(w, av1_intra_mode_ind[mbmi->uv_mode], |
| cm->fc->uv_mode_cdf[mbmi->mode], INTRA_MODES); |
| #else |
| write_intra_mode(w, mbmi->uv_mode, cm->fc->uv_mode_prob[mbmi->mode]); |
| #endif |
| #if CONFIG_EXT_INTRA |
| write_intra_angle_info(cm, xd, w); |
| #endif // CONFIG_EXT_INTRA |
| #if CONFIG_PALETTE |
| if (bsize >= BLOCK_8X8 && cm->allow_screen_content_tools) |
| write_palette_mode_info(cm, xd, mi, w); |
| #endif // CONFIG_PALETTE |
| #if CONFIG_FILTER_INTRA |
| if (bsize >= BLOCK_8X8) write_filter_intra_mode_info(cm, mbmi, w); |
| #endif // CONFIG_FILTER_INTRA |
| |
| write_tx_type(cm, mbmi, |
| #if CONFIG_SUPERTX |
| 0, |
| #endif |
| w); |
| } |
| |
| #if CONFIG_SUPERTX |
| #define write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled, \ |
| mi_row, mi_col) \ |
| write_modes_b(cpi, tile, w, tok, tok_end, supertx_enabled, mi_row, mi_col) |
| #else |
| #define write_modes_b_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled, \ |
| mi_row, mi_col) \ |
| write_modes_b(cpi, tile, w, tok, tok_end, mi_row, mi_col) |
| #endif // CONFIG_SUPERTX |
| |
| #if CONFIG_RD_DEBUG |
| static void dump_mode_info(MODE_INFO *mi) { |
| printf("\nmi->mbmi.mi_row == %d\n", mi->mbmi.mi_row); |
| printf("&& mi->mbmi.mi_col == %d\n", mi->mbmi.mi_col); |
| printf("&& mi->mbmi.sb_type == %d\n", mi->mbmi.sb_type); |
| printf("&& mi->mbmi.tx_size == %d\n", mi->mbmi.tx_size); |
| if (mi->mbmi.sb_type >= BLOCK_8X8) { |
| printf("&& mi->mbmi.mode == %d\n", mi->mbmi.mode); |
| } else { |
| printf("&& mi->bmi[0].as_mode == %d\n", mi->bmi[0].as_mode); |
| } |
| } |
| #endif |
| |
| static void write_modes_b(AV1_COMP *cpi, const TileInfo *const tile, |
| aom_writer *w, const TOKENEXTRA **tok, |
| const TOKENEXTRA *const tok_end, |
| #if CONFIG_SUPERTX |
| int supertx_enabled, |
| #endif |
| int mi_row, int mi_col) { |
| AV1_COMMON *const cm = &cpi->common; |
| MACROBLOCKD *const xd = &cpi->td.mb.e_mbd; |
| MODE_INFO *m; |
| int plane; |
| int bh, bw; |
| #if CONFIG_RD_DEBUG |
| int64_t txb_coeff_cost[MAX_MB_PLANE] = { 0 }; |
| #endif |
| #if CONFIG_RANS |
| (void)tok; |
| (void)tok_end; |
| (void)plane; |
| #endif // !CONFIG_RANS |
| |
| 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 |
| // av1_is_interp_needed needs the ref frame buffers set up to look |
| // up if they are scaled. av1_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); |
| } |
| |
| #if CONFIG_PALETTE |
| 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); |
| } |
| } |
| #endif // CONFIG_PALETTE |
| |
| #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(AOMMAX(bsize, BLOCK_8X8), pd); |
| |
| const int num_4x4_w = |
| block_size_wide[plane_bsize] >> tx_size_wide_log2[0]; |
| const int num_4x4_h = |
| block_size_high[plane_bsize] >> tx_size_wide_log2[0]; |
| int row, col; |
| #if CONFIG_EXT_TX && CONFIG_RECT_TX |
| TX_SIZE tx_size = |
| plane ? get_uv_tx_size(mbmi, &xd->plane[plane]) : mbmi->tx_size; |
| #endif |
| |
| TOKEN_STATS token_stats; |
| token_stats.cost = 0; |
| |
| #if CONFIG_EXT_TX && CONFIG_RECT_TX |
| |
| if (is_inter_block(mbmi) && !is_rect_tx(tx_size)) |
| #else |
| if (is_inter_block(mbmi)) |
| #endif |
| { |
| const TX_SIZE max_tx_size = max_txsize_lookup[plane_bsize]; |
| int block = 0; |
| const int step = |
| tx_size_wide_unit[max_tx_size] * tx_size_high_unit[max_tx_size]; |
| const int bkw = tx_size_wide_unit[max_tx_size]; |
| const int bkh = tx_size_high_unit[max_tx_size]; |
| for (row = 0; row < num_4x4_h; row += bkh) { |
| for (col = 0; col < num_4x4_w; col += bkw) { |
| pack_txb_tokens(w, tok, tok_end, xd, mbmi, plane, plane_bsize, |
| cm->bit_depth, block, row, col, max_tx_size, |
| &token_stats); |
| block += step; |
| } |
| } |
| } else { |
| TX_SIZE tx = plane ? get_uv_tx_size(&m->mbmi, &xd->plane[plane]) |
| : m->mbmi.tx_size; |
| const int bkw = tx_size_wide_unit[tx]; |
| const int bkh = tx_size_high_unit[tx]; |
| |
| for (row = 0; row < num_4x4_h; row += bkh) |
| for (col = 0; col < num_4x4_w; col += bkw) |
| pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx, &token_stats); |
| } |
| #else |
| TX_SIZE tx = |
| plane ? get_uv_tx_size(&m->mbmi, &xd->plane[plane]) : m->mbmi.tx_size; |
| TOKEN_STATS token_stats; |
| token_stats.cost = 0; |
| pack_mb_tokens(w, tok, tok_end, cm->bit_depth, tx, &token_stats); |
| #endif // CONFIG_VAR_TX |
| |
| #if CONFIG_RD_DEBUG |
| txb_coeff_cost[plane] += token_stats.cost; |
| #else |
| (void)token_stats; |
| #endif |
| |
| assert(*tok < tok_end && (*tok)->token == EOSB_TOKEN); |
| (*tok)++; |
| } |
| } |
| |
| #if CONFIG_RD_DEBUG |
| for (plane = 0; plane < MAX_MB_PLANE; ++plane) { |
| if (m->mbmi.txb_coeff_cost[plane] != txb_coeff_cost[plane]) { |
| dump_mode_info(m); |
| assert(0); |
| } |
| } |
| #endif |
| } |
| |
| static void write_partition(const AV1_COMMON *const cm, |
| const MACROBLOCKD *const xd, int hbs, int mi_row, |
| int mi_col, PARTITION_TYPE p, BLOCK_SIZE bsize, |
| aom_writer *w) { |
| const int ctx = partition_plane_context(xd, mi_row, mi_col, bsize); |
| const aom_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) |
| av1_write_token(w, av1_partition_tree, probs, &partition_encodings[p]); |
| else |
| av1_write_token(w, av1_ext_partition_tree, probs, |
| &ext_partition_encodings[p]); |
| #else |
| #if CONFIG_DAALA_EC |
| aom_write_symbol(w, p, cm->fc->partition_cdf[ctx], PARTITION_TYPES); |
| #else |
| av1_write_token(w, av1_partition_tree, probs, &partition_encodings[p]); |
| #endif |
| #endif // CONFIG_EXT_PARTITION_TYPES |
| } else if (!has_rows && has_cols) { |
| assert(p == PARTITION_SPLIT || p == PARTITION_HORZ); |
| aom_write(w, p == PARTITION_SPLIT, probs[1]); |
| } else if (has_rows && !has_cols) { |
| assert(p == PARTITION_SPLIT || p == PARTITION_VERT); |
| aom_write(w, p == PARTITION_SPLIT, probs[2]); |
| } else { |
| assert(p == PARTITION_SPLIT); |
| } |
| } |
| |
| #if CONFIG_SUPERTX |
| #define write_modes_sb_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled, \ |
| mi_row, mi_col, bsize) \ |
| write_modes_sb(cpi, tile, w, tok, tok_end, supertx_enabled, mi_row, mi_col, \ |
| bsize) |
| #else |
| #define write_modes_sb_wrapper(cpi, tile, w, tok, tok_end, supertx_enabled, \ |
| mi_row, mi_col, bsize) \ |
| write_modes_sb(cpi, tile, w, tok, tok_end, mi_row, mi_col, bsize) |
| #endif // CONFIG_SUPERTX |
| |
| static void write_modes_sb(AV1_COMP *const cpi, const TileInfo *const tile, |
| aom_writer *const w, const TOKENEXTRA **tok, |
| const TOKENEXTRA *const tok_end, |
| #if CONFIG_SUPERTX |
| int supertx_enabled, |
| #endif |
| int mi_row, int mi_col, BLOCK_SIZE bsize) { |
| const AV1_COMMON *const cm = &cpi->common; |
| MACROBLOCKD *const xd = &cpi->td.mb.e_mbd; |
| const int hbs = 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]) { |
| aom_prob prob; |
| supertx_size = max_txsize_lookup[bsize]; |
| prob = cm->fc->supertx_prob[partition_supertx_context_lookup[partition]] |
| [supertx_size]; |
| supertx_enabled = (xd->mi[0]->mbmi.tx_size == supertx_size); |
| aom_write(w, supertx_enabled, prob); |
| } |
| #endif // CONFIG_SUPERTX |
| if (subsize < BLOCK_8X8) { |
| 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) { |
| av1_write_token(w, av1_ext_tx_inter_tree[eset], |
| cm->fc->inter_ext_tx_prob[eset][supertx_size], |
| &ext_tx_inter_encodings[eset][mbmi->tx_type]); |
| } |
| } |
| #else |
| if (supertx_size < TX_32X32 && !skip) { |
| av1_write_token(w, av1_ext_tx_tree, |
| cm->fc->inter_ext_tx_prob[supertx_size], |
| &ext_tx_encodings[mbmi->tx_type]); |
| } |
| #endif // CONFIG_EXT_TX |
| |
| if (!skip) { |
| assert(*tok < tok_end); |
| for (plane = 0; plane < MAX_MB_PLANE; ++plane) { |
| const 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]; |
| |
| TOKEN_STATS token_stats; |
| token_stats.cost = 0; |
| 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, &token_stats); |
| 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); |
| #endif // CONFIG_EXT_PARTITION_TYPES |
| |
| #if CONFIG_DERING |
| if (bsize == BLOCK_64X64 && cm->dering_level != 0 && |
| !sb_all_skip(cm, mi_row, mi_col)) { |
| aom_write_literal( |
| w, |
| cm->mi_grid_visible[mi_row * cm->mi_stride + mi_col]->mbmi.dering_gain, |
| DERING_REFINEMENT_BITS); |
| } |
| #endif |
| |
| #if CONFIG_CLPF |
| if (bsize == BLOCK_64X64 && cm->clpf_blocks && cm->clpf_strength_y && |
| cm->clpf_size != CLPF_NOSIZE) { |
| const int tl = mi_row * MI_SIZE / MIN_FB_SIZE * cm->clpf_stride + |
| mi_col * MI_SIZE / MIN_FB_SIZE; |
| const int tr = tl + 1; |
| const int bl = tl + cm->clpf_stride; |
| const int br = tr + cm->clpf_stride; |
| |
| // Up to four bits per SB. |
| // When clpf_size indicates a size larger than the SB size |
| // (CLPF_128X128), one bit for every fourth SB will be transmitted |
| // regardless of skip blocks. |
| if (cm->clpf_blocks[tl] != CLPF_NOFLAG) |
| aom_write_literal(w, cm->clpf_blocks[tl], 1); |
| |
| if (mi_col + MI_SIZE / 2 < cm->mi_cols && |
| cm->clpf_blocks[tr] != CLPF_NOFLAG) |
| aom_write_literal(w, cm->clpf_blocks[tr], 1); |
| |
| if (mi_row + MI_SIZE / 2 < cm->mi_rows && |
| cm->clpf_blocks[bl] != CLPF_NOFLAG) |
| aom_write_literal(w, cm->clpf_blocks[bl], 1); |
| |
| if (mi_row + MI_SIZE / 2 < cm->mi_rows && |
| mi_col + MI_SIZE / 2 < cm->mi_cols && |
| cm->clpf_blocks[br] != CLPF_NOFLAG) |
| aom_write_literal(w, cm->clpf_blocks[br], 1); |
| } |
| #endif |
| } |
| |
| static void write_modes(AV1_COMP *const cpi, const TileInfo *const tile, |
| aom_writer *const w, const TOKENEXTRA **tok, |
| const TOKENEXTRA *const tok_end) { |
| AV1_COMMON *const cm = &cpi->common; |
| MACROBLOCKD *const xd = &cpi->td.mb.e_mbd; |
| const int mi_row_start = tile->mi_row_start; |
| const int mi_row_end = tile->mi_row_end; |
| const int mi_col_start = tile->mi_col_start; |
| const int mi_col_end = tile->mi_col_end; |
| int mi_row, mi_col; |
| av1_zero_above_context(cm, mi_col_start, mi_col_end); |
| #if CONFIG_DELTA_Q |
| if (cpi->common.delta_q_present_flag) { |
| xd->prev_qindex = cpi->common.base_qindex; |
| } |
| #endif |
| |
| for (mi_row = mi_row_start; mi_row < mi_row_end; mi_row += cm->mib_size) { |
| av1_zero_left_context(xd); |
| |
| for (mi_col = mi_col_start; mi_col < mi_col_end; mi_col += cm->mib_size) { |
| write_modes_sb_wrapper(cpi, tile, w, tok, tok_end, 0, mi_row, mi_col, |
| cm->sb_size); |
| } |
| } |
| } |
| |
| static void build_tree_distribution(AV1_COMP *cpi, TX_SIZE tx_size, |
| av1_coeff_stats *coef_branch_ct, |
| av1_coeff_probs_model *coef_probs) { |
| av1_coeff_count *coef_counts = cpi->td.rd_counts.coef_counts[tx_size]; |
| unsigned int(*eob_branch_ct)[REF_TYPES][COEF_BANDS][COEFF_CONTEXTS] = |
| cpi->common.counts.eob_branch[tx_size]; |
| int i, j, k, l, m; |
| |
| for (i = 0; i < PLANE_TYPES; ++i) { |
| for (j = 0; j < REF_TYPES; ++j) { |
| for (k = 0; k < COEF_BANDS; ++k) { |
| for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) { |
| av1_tree_probs_from_distribution(av1_coef_tree, |
| coef_branch_ct[i][j][k][l], |
| coef_counts[i][j][k][l]); |
| coef_branch_ct[i][j][k][l][0][1] = |
| eob_branch_ct[i][j][k][l] - coef_branch_ct[i][j][k][l][0][0]; |
| for (m = 0; m < UNCONSTRAINED_NODES; ++m) |
| coef_probs[i][j][k][l][m] = |
| get_binary_prob(coef_branch_ct[i][j][k][l][m][0], |
| coef_branch_ct[i][j][k][l][m][1]); |
| } |
| } |
| } |
| } |
| } |
| |
| static void update_coef_probs_common(aom_writer *const bc, AV1_COMP *cpi, |
| TX_SIZE tx_size, |
| av1_coeff_stats *frame_branch_ct, |
| av1_coeff_probs_model *new_coef_probs) { |
| av1_coeff_probs_model *old_coef_probs = cpi->common.fc->coef_probs[tx_size]; |
| const aom_prob upd = DIFF_UPDATE_PROB; |
| #if CONFIG_EC_ADAPT |
| const int entropy_nodes_update = UNCONSTRAINED_NODES - 1; |
| #else |
| const int entropy_nodes_update = UNCONSTRAINED_NODES; |
| #endif |
| int i, j, k, l, t; |
| int stepsize = cpi->sf.coeff_prob_appx_step; |
| #if CONFIG_TILE_GROUPS |
| const int probwt = cpi->common.num_tg; |
| #else |
| const int probwt = 1; |
| #endif |
| |
| switch (cpi->sf.use_fast_coef_updates) { |
| case TWO_LOOP: { |
| /* dry run to see if there is any update at all needed */ |
| int savings = 0; |
| int update[2] = { 0, 0 }; |
| for (i = 0; i < PLANE_TYPES; ++i) { |
| for (j = 0; j < REF_TYPES; ++j) { |
| for (k = 0; k < COEF_BANDS; ++k) { |
| for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) { |
| for (t = 0; t < entropy_nodes_update; ++t) { |
| aom_prob newp = new_coef_probs[i][j][k][l][t]; |
| const aom_prob oldp = old_coef_probs[i][j][k][l][t]; |
| int s; |
| int u = 0; |
| if (t == PIVOT_NODE) |
| s = av1_prob_diff_update_savings_search_model( |
| frame_branch_ct[i][j][k][l][0], |
| old_coef_probs[i][j][k][l], &newp, upd, stepsize, probwt); |
| else |
| s = av1_prob_diff_update_savings_search( |
| frame_branch_ct[i][j][k][l][t], oldp, &newp, upd, probwt); |
| |
| if (s > 0 && newp != oldp) u = 1; |
| if (u) |
| savings += s - (int)(av1_cost_zero(upd)); |
| else |
| savings -= (int)(av1_cost_zero(upd)); |
| update[u]++; |
| } |
| } |
| } |
| } |
| } |
| |
| /* Is coef updated at all */ |
| if (update[1] == 0 || savings < 0) { |
| aom_write_bit(bc, 0); |
| return; |
| } |
| aom_write_bit(bc, 1); |
| for (i = 0; i < PLANE_TYPES; ++i) { |
| for (j = 0; j < REF_TYPES; ++j) { |
| for (k = 0; k < COEF_BANDS; ++k) { |
| for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) { |
| // calc probs and branch cts for this frame only |
| for (t = 0; t < entropy_nodes_update; ++t) { |
| aom_prob newp = new_coef_probs[i][j][k][l][t]; |
| aom_prob *oldp = old_coef_probs[i][j][k][l] + t; |
| int s; |
| int u = 0; |
| if (t == PIVOT_NODE) |
| s = av1_prob_diff_update_savings_search_model( |
| frame_branch_ct[i][j][k][l][0], |
| old_coef_probs[i][j][k][l], &newp, upd, stepsize, probwt); |
| else |
| s = av1_prob_diff_update_savings_search( |
| frame_branch_ct[i][j][k][l][t], *oldp, &newp, upd, |
| probwt); |
| if (s > 0 && newp != *oldp) u = 1; |
| aom_write(bc, u, upd); |
| if (u) { |
| /* send/use new probability */ |
| av1_write_prob_diff_update(bc, newp, *oldp); |
| *oldp = newp; |
| } |
| } |
| } |
| } |
| } |
| } |
| return; |
| } |
| |
| case ONE_LOOP_REDUCED: { |
| int updates = 0; |
| int noupdates_before_first = 0; |
| for (i = 0; i < PLANE_TYPES; ++i) { |
| for (j = 0; j < REF_TYPES; ++j) { |
| for (k = 0; k < COEF_BANDS; ++k) { |
| for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) { |
| // calc probs and branch cts for this frame only |
| for (t = 0; t < entropy_nodes_update; ++t) { |
| aom_prob newp = new_coef_probs[i][j][k][l][t]; |
| aom_prob *oldp = old_coef_probs[i][j][k][l] + t; |
| int s; |
| int u = 0; |
| if (t == PIVOT_NODE) { |
| s = av1_prob_diff_update_savings_search_model( |
| frame_branch_ct[i][j][k][l][0], |
| old_coef_probs[i][j][k][l], &newp, upd, stepsize, probwt); |
| } else { |
| s = av1_prob_diff_update_savings_search( |
| frame_branch_ct[i][j][k][l][t], *oldp, &newp, upd, |
| probwt); |
| } |
| |
| if (s > 0 && newp != *oldp) u = 1; |
| updates += u; |
| if (u == 0 && updates == 0) { |
| noupdates_before_first++; |
| continue; |
| } |
| if (u == 1 && updates == 1) { |
| int v; |
| // first update |
| aom_write_bit(bc, 1); |
| for (v = 0; v < noupdates_before_first; ++v) |
| aom_write(bc, 0, upd); |
| } |
| aom_write(bc, u, upd); |
| if (u) { |
| /* send/use new probability */ |
| av1_write_prob_diff_update(bc, newp, *oldp); |
| *oldp = newp; |
| } |
| } |
| } |
| } |
| } |
| } |
| if (updates == 0) { |
| aom_write_bit(bc, 0); // no updates |
| } |
| return; |
| } |
| default: assert(0); |
| } |
| } |
| |
| #if CONFIG_ENTROPY |
| // Calculate the token counts between subsequent subframe updates. |
| static void get_coef_counts_diff(AV1_COMP *cpi, int index, |
| av1_coeff_count coef_counts[TX_SIZES] |
| [PLANE_TYPES], |
| unsigned int eob_counts[TX_SIZES][PLANE_TYPES] |
| [REF_TYPES][COEF_BANDS] |
| [COEFF_CONTEXTS]) { |
| int i, j, k, l, m, tx_size, val; |
| const int max_idx = cpi->common.coef_probs_update_idx; |
| const TX_MODE tx_mode = cpi->common.tx_mode; |
| const int max_tx_size = tx_mode_to_biggest_tx_size[tx_mode]; |
| const SUBFRAME_STATS *subframe_stats = &cpi->subframe_stats; |
| |
| assert(max_idx < COEF_PROBS_BUFS); |
| |
| for (tx_size = 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( |
| aom_writer *const bc, AV1_COMP *cpi, TX_SIZE tx_size, |
| av1_coeff_stats branch_ct[COEF_PROBS_BUFS][TX_SIZES][PLANE_TYPES], |
| av1_coeff_probs_model *new_coef_probs) { |
| av1_coeff_probs_model *old_coef_probs = cpi->common.fc->coef_probs[tx_size]; |
| const aom_prob upd = DIFF_UPDATE_PROB; |
| const int entropy_nodes_update = UNCONSTRAINED_NODES; |
| int i, j, k, l, t; |
| int stepsize = cpi->sf.coeff_prob_appx_step; |
| const int max_idx = cpi->common.coef_probs_update_idx; |
| int idx; |
| unsigned int this_branch_ct[ENTROPY_NODES][COEF_PROBS_BUFS][2]; |
| |
| switch (cpi->sf.use_fast_coef_updates) { |
| case TWO_LOOP: { |
| /* dry run to see if there is any update at all needed */ |
| int savings = 0; |
| int update[2] = { 0, 0 }; |
| for (i = 0; i < PLANE_TYPES; ++i) { |
| for (j = 0; j < REF_TYPES; ++j) { |
| for (k = 0; k < COEF_BANDS; ++k) { |
| for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) { |
| for (t = 0; t < ENTROPY_NODES; ++t) { |
| for (idx = 0; idx <= max_idx; ++idx) { |
| memcpy(this_branch_ct[t][idx], |
| branch_ct[idx][tx_size][i][j][k][l][t], |
| 2 * sizeof(this_branch_ct[t][idx][0])); |
| } |
| } |
| for (t = 0; t < entropy_nodes_update; ++t) { |
| aom_prob newp = new_coef_probs[i][j][k][l][t]; |
| const aom_prob oldp = old_coef_probs[i][j][k][l][t]; |
| int s, u = 0; |
| |
| if (t == PIVOT_NODE) |
| s = av1_prob_update_search_model_subframe( |
| this_branch_ct, old_coef_probs[i][j][k][l], &newp, upd, |
| stepsize, max_idx); |
| else |
| s = av1_prob_update_search_subframe(this_branch_ct[t], oldp, |
| &newp, upd, max_idx); |
| if (s > 0 && newp != oldp) u = 1; |
| if (u) |
| savings += s - (int)(av1_cost_zero(upd)); |
| else |
| savings -= (int)(av1_cost_zero(upd)); |
| update[u]++; |
| } |
| } |
| } |
| } |
| } |
| |
| /* Is coef updated at all */ |
| if (update[1] == 0 || savings < 0) { |
| aom_write_bit(bc, 0); |
| return; |
| } |
| aom_write_bit(bc, 1); |
| for (i = 0; i < PLANE_TYPES; ++i) { |
| for (j = 0; j < REF_TYPES; ++j) { |
| for (k = 0; k < COEF_BANDS; ++k) { |
| for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) { |
| for (t = 0; t < ENTROPY_NODES; ++t) { |
| for (idx = 0; idx <= max_idx; ++idx) { |
| memcpy(this_branch_ct[t][idx], |
| branch_ct[idx][tx_size][i][j][k][l][t], |
| 2 * sizeof(this_branch_ct[t][idx][0])); |
| } |
| } |
| for (t = 0; t < entropy_nodes_update; ++t) { |
| aom_prob newp = new_coef_probs[i][j][k][l][t]; |
| aom_prob *oldp = old_coef_probs[i][j][k][l] + t; |
| int s; |
| int u = 0; |
| |
| if (t == PIVOT_NODE) |
| s = av1_prob_update_search_model_subframe( |
| this_branch_ct, old_coef_probs[i][j][k][l], &newp, upd, |
| stepsize, max_idx); |
| else |
| s = av1_prob_update_search_subframe(this_branch_ct[t], *oldp, |
| &newp, upd, max_idx); |
| if (s > 0 && newp != *oldp) u = 1; |
| aom_write(bc, u, upd); |
| if (u) { |
| /* send/use new probability */ |
| av1_write_prob_diff_update(bc, newp, *oldp); |
| *oldp = newp; |
| } |
| } |
| } |
| } |
| } |
| } |
| return; |
| } |
| |
| case ONE_LOOP_REDUCED: { |
| int updates = 0; |
| int noupdates_before_first = 0; |
| for (i = 0; i < PLANE_TYPES; ++i) { |
| for (j = 0; j < REF_TYPES; ++j) { |
| for (k = 0; k < COEF_BANDS; ++k) { |
| for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) { |
| for (t = 0; t < ENTROPY_NODES; ++t) { |
| for (idx = 0; idx <= max_idx; ++idx) { |
| memcpy(this_branch_ct[t][idx], |
| branch_ct[idx][tx_size][i][j][k][l][t], |
| 2 * sizeof(this_branch_ct[t][idx][0])); |
| } |
| } |
| for (t = 0; t < entropy_nodes_update; ++t) { |
| aom_prob newp = new_coef_probs[i][j][k][l][t]; |
| aom_prob *oldp = old_coef_probs[i][j][k][l] + t; |
| int s; |
| int u = 0; |
| |
| if (t == PIVOT_NODE) |
| s = av1_prob_update_search_model_subframe( |
| this_branch_ct, old_coef_probs[i][j][k][l], &newp, upd, |
| stepsize, max_idx); |
| else |
| s = av1_prob_update_search_subframe(this_branch_ct[t], *oldp, |
| &newp, upd, max_idx); |
| if (s > 0 && newp != *oldp) u = 1; |
| updates += u; |
| if (u == 0 && updates == 0) { |
| noupdates_before_first++; |
| continue; |
| } |
| if (u == 1 && updates == 1) { |
| int v; |
| // first update |
| aom_write_bit(bc, 1); |
| for (v = 0; v < noupdates_before_first; ++v) |
| aom_write(bc, 0, upd); |
| } |
| aom_write(bc, u, upd); |
| if (u) { |
| /* send/use new probability */ |
| av1_write_prob_diff_update(bc, newp, *oldp); |
| *oldp = newp; |
| } |
| } |
| } |
| } |
| } |
| } |
| if (updates == 0) { |
| aom_write_bit(bc, 0); // no updates |
| } |
| return; |
| } |
| default: assert(0); |
| } |
|