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/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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
* aomedia.org/license/patent-license/.
*/
#ifndef AOM_AV1_ENCODER_CONTEXT_TREE_H_
#define AOM_AV1_ENCODER_CONTEXT_TREE_H_
#include "config/aom_config.h"
#include "av1/common/blockd.h"
#include "av1/encoder/block.h"
#ifdef __cplusplus
extern "C" {
#endif
struct AV1_COMP;
struct AV1Common;
struct ThreadData;
typedef struct {
tran_low_t *coeff_buf[MAX_MB_PLANE];
tran_low_t *qcoeff_buf[MAX_MB_PLANE];
tran_low_t *dqcoeff_buf[MAX_MB_PLANE];
} PC_TREE_SHARED_BUFFERS;
// Structure to hold snapshot of coding context during the mode picking process
typedef struct PICK_MODE_CONTEXT {
MB_MODE_INFO mic;
#if CONFIG_C071_SUBBLK_WARPMV
SUBMB_INFO *submic;
#endif // CONFIG_C071_SUBBLK_WARPMV
MB_MODE_INFO_EXT_FRAME mbmi_ext_best;
uint8_t *color_index_map[2];
uint8_t *blk_skip;
tran_low_t *coeff[MAX_MB_PLANE];
tran_low_t *qcoeff[MAX_MB_PLANE];
tran_low_t *dqcoeff[MAX_MB_PLANE];
uint16_t *eobs[MAX_MB_PLANE];
uint16_t *bobs[MAX_MB_PLANE];
uint8_t *txb_entropy_ctx[MAX_MB_PLANE];
TX_TYPE *tx_type_map;
CctxType *cctx_type_map;
int num_4x4_blk;
int num_4x4_blk_chroma;
// For current partition, only if all Y, U, and V transform blocks'
// coefficients are quantized to 0, skippable is set to 1.
int skippable;
int hybrid_pred_diff;
int comp_pred_diff;
int single_pred_diff;
RD_STATS rd_stats;
int rd_mode_is_ready; // Flag to indicate whether rd pick mode decision has
// been made.
CHROMA_REF_INFO chroma_ref_info;
struct PC_TREE *parent;
int index;
} PICK_MODE_CONTEXT;
typedef struct PC_TREE {
PARTITION_TYPE partitioning;
#if CONFIG_EXTENDED_SDP
/*! \brief The region type used for the current block. */
REGION_TYPE region_type;
#endif // CONFIG_EXTENDED_SDP
BLOCK_SIZE block_size;
#if CONFIG_EXTENDED_SDP
int inter_sdp_allowed_flag;
PICK_MODE_CONTEXT *none[REGION_TYPES];
// record the chroma information in intra region.
PICK_MODE_CONTEXT *none_chroma;
#if CONFIG_EXT_RECUR_PARTITIONS
struct PC_TREE *horizontal[REGION_TYPES][2];
struct PC_TREE *vertical[REGION_TYPES][2];
struct PC_TREE *horizontal4a[REGION_TYPES][4];
struct PC_TREE *horizontal4b[REGION_TYPES][4];
struct PC_TREE *vertical4a[REGION_TYPES][4];
struct PC_TREE *vertical4b[REGION_TYPES][4];
struct PC_TREE *horizontal3[REGION_TYPES][4];
struct PC_TREE *vertical3[REGION_TYPES][4];
#else
PICK_MODE_CONTEXT *horizontal[REGION_TYPES][2];
PICK_MODE_CONTEXT *vertical[REGION_TYPES][2];
PICK_MODE_CONTEXT *horizontala[REGION_TYPES][3];
PICK_MODE_CONTEXT *horizontalb[REGION_TYPES][3];
PICK_MODE_CONTEXT *verticala[REGION_TYPES][3];
PICK_MODE_CONTEXT *verticalb[REGION_TYPES][3];
PICK_MODE_CONTEXT *horizontal4[REGION_TYPES][4];
PICK_MODE_CONTEXT *vertical4[REGION_TYPES][4];
#endif // CONFIG_EXT_RECUR_PARTITIONS
struct PC_TREE *split[REGION_TYPES][4];
#else
PICK_MODE_CONTEXT *none;
#if CONFIG_EXT_RECUR_PARTITIONS
struct PC_TREE *horizontal[2];
struct PC_TREE *vertical[2];
struct PC_TREE *horizontal4a[4];
struct PC_TREE *horizontal4b[4];
struct PC_TREE *vertical4a[4];
struct PC_TREE *vertical4b[4];
struct PC_TREE *horizontal3[4];
struct PC_TREE *vertical3[4];
#else
PICK_MODE_CONTEXT *horizontal[2];
PICK_MODE_CONTEXT *vertical[2];
PICK_MODE_CONTEXT *horizontala[3];
PICK_MODE_CONTEXT *horizontalb[3];
PICK_MODE_CONTEXT *verticala[3];
PICK_MODE_CONTEXT *verticalb[3];
PICK_MODE_CONTEXT *horizontal4[4];
PICK_MODE_CONTEXT *vertical4[4];
#endif // CONFIG_EXT_RECUR_PARTITIONS
struct PC_TREE *split[4];
#endif // CONFIG_EXTENDED_SDP
struct PC_TREE *parent;
int mi_row;
int mi_col;
int index;
int is_last_subblock;
CHROMA_REF_INFO chroma_ref_info;
RD_STATS rd_cost;
#if CONFIG_EXT_RECUR_PARTITIONS
RD_STATS none_rd;
bool skippable;
#endif // CONFIG_EXT_RECUR_PARTITIONS
} PC_TREE;
typedef struct SIMPLE_MOTION_DATA_TREE {
BLOCK_SIZE block_size;
PARTITION_TYPE partitioning;
struct SIMPLE_MOTION_DATA_TREE *split[4];
// Simple motion search_features
FULLPEL_MV start_mvs[REF_FRAMES];
unsigned int sms_none_feat[2];
unsigned int sms_rect_feat[8];
int sms_none_valid;
int sms_rect_valid;
} SIMPLE_MOTION_DATA_TREE;
#if CONFIG_EXT_RECUR_PARTITIONS
PC_TREE *av1_look_for_counterpart_block(PC_TREE *pc_tree);
#endif // CONFIG_EXT_RECUR_PARTITIONS
void av1_setup_shared_coeff_buffer(AV1_COMMON *cm,
PC_TREE_SHARED_BUFFERS *shared_bufs);
void av1_free_shared_coeff_buffer(PC_TREE_SHARED_BUFFERS *shared_bufs);
PC_TREE *av1_alloc_pc_tree_node(TREE_TYPE tree_type, int mi_row, int mi_col,
BLOCK_SIZE bsize, PC_TREE *parent,
PARTITION_TYPE parent_partition, int index,
int is_last, int subsampling_x,
int subsampling_y);
void av1_free_pc_tree_recursive(PC_TREE *tree, int num_planes, int keep_best,
int keep_none);
#if CONFIG_EXT_RECUR_PARTITIONS
void av1_copy_pc_tree_recursive(MACROBLOCKD *xd, const AV1_COMMON *cm,
PC_TREE *dst, PC_TREE *src, int ss_x, int ss_y,
PC_TREE_SHARED_BUFFERS *shared_bufs,
TREE_TYPE tree_type, int num_planes);
#endif // CONFIG_EXT_RECUR_PARTITIONS
PICK_MODE_CONTEXT *av1_alloc_pmc(const AV1_COMMON *cm, TREE_TYPE tree_type,
int mi_row, int mi_col, BLOCK_SIZE bsize,
PC_TREE *parent,
PARTITION_TYPE parent_partition, int index,
int subsampling_x, int subsampling_y,
PC_TREE_SHARED_BUFFERS *shared_bufs);
void av1_free_pmc(PICK_MODE_CONTEXT *ctx, int num_planes);
void av1_copy_tree_context(PICK_MODE_CONTEXT *dst_ctx,
PICK_MODE_CONTEXT *src_ctx);
void av1_setup_sms_tree(struct AV1_COMP *const cpi, struct ThreadData *td);
void av1_free_sms_tree(struct ThreadData *td);
#if CONFIG_EXT_RECUR_PARTITIONS
void av1_setup_sms_bufs(struct AV1Common *cm, struct ThreadData *td);
void av1_free_sms_bufs(struct ThreadData *td);
#endif // CONFIG_EXT_RECUR_PARTITIONS
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_AV1_ENCODER_CONTEXT_TREE_H_