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114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_AV1_ENCODER_CONTEXT_TREE_H_
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#define AOM_AV1_ENCODER_CONTEXT_TREE_H_
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#include "av1/common/blockd.h"
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#include "av1/encoder/block.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct AV1_COMP;
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struct AV1Common;
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struct ThreadData;
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typedef enum {
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// Search all the partition types in this plane.
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SEARCH_FULL_PLANE = 0,
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// Only search none_partition coding block.
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NONE_PARTITION_PLANE = 1,
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// Search all the partition types in this plane except split.
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SEARCH_SAME_PLANE = 2,
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// Skip search partition on this plane. Go split directly.
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SPLIT_PLANE = 3,
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} CB_TREE_SEARCH;
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// Structure to hold snapshot of coding context during the mode picking process
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typedef struct {
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MB_MODE_INFO mic;
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MB_MODE_INFO_EXT mbmi_ext;
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uint8_t *color_index_map[2];
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uint8_t *blk_skip;
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tran_low_t *coeff[MAX_MB_PLANE];
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tran_low_t *qcoeff[MAX_MB_PLANE];
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tran_low_t *dqcoeff[MAX_MB_PLANE];
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uint16_t *eobs[MAX_MB_PLANE];
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uint8_t *txb_entropy_ctx[MAX_MB_PLANE];
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int num_4x4_blk;
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int skip;
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// For current partition, only if all Y, U, and V transform blocks'
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// coefficients are quantized to 0, skippable is set to 1.
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int skippable;
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int best_mode_index;
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int hybrid_pred_diff;
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int comp_pred_diff;
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int single_pred_diff;
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// Skip certain ref frames during RD search of rectangular partitions.
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int skip_ref_frame_mask;
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// TODO(jingning) Use RD_COST struct here instead. This involves a boarder
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// scope of refactoring.
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int rate;
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int64_t dist;
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int64_t rdcost;
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int rd_mode_is_ready; // Flag to indicate whether rd pick mode decision has
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// been made.
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// motion vector cache for adaptive motion search control in partition
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// search loop
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MV pred_mv[REF_FRAMES];
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InterpFilter pred_interp_filter;
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PARTITION_TYPE partition;
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} PICK_MODE_CONTEXT;
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typedef struct {
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int valid;
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int split;
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int skip;
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int64_t rdcost;
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int sub_block_split[4];
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int sub_block_skip[4];
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int64_t sub_block_rdcost[4];
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} PC_TREE_STATS;
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typedef struct PC_TREE {
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int index;
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PARTITION_TYPE partitioning;
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BLOCK_SIZE block_size;
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PICK_MODE_CONTEXT none;
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PICK_MODE_CONTEXT horizontal[2];
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PICK_MODE_CONTEXT vertical[2];
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PICK_MODE_CONTEXT horizontala[3];
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PICK_MODE_CONTEXT horizontalb[3];
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PICK_MODE_CONTEXT verticala[3];
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PICK_MODE_CONTEXT verticalb[3];
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PICK_MODE_CONTEXT horizontal4[4];
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PICK_MODE_CONTEXT vertical4[4];
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CB_TREE_SEARCH cb_search_range;
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struct PC_TREE *split[4];
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PC_TREE_STATS pc_tree_stats;
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} PC_TREE;
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void av1_setup_pc_tree(struct AV1Common *cm, struct ThreadData *td);
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void av1_free_pc_tree(struct ThreadData *td, const int num_planes);
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void av1_copy_tree_context(PICK_MODE_CONTEXT *dst_ctx,
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PICK_MODE_CONTEXT *src_ctx);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // AOM_AV1_ENCODER_CONTEXT_TREE_H_
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