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/*
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VPX_VP9_ENCODER_VP9_CONTEXT_TREE_H_
#define VPX_VP9_ENCODER_VP9_CONTEXT_TREE_H_
#include "vp9/common/vp9_blockd.h"
#include "vp9/encoder/vp9_block.h"
#ifdef __cplusplus
extern "C" {
#endif
struct VP9_COMP;
struct VP9Common;
struct ThreadData;
// Structure to hold snapshot of coding context during the mode picking process
typedef struct {
MODE_INFO mic;
MB_MODE_INFO_EXT mbmi_ext;
uint8_t *zcoeff_blk;
tran_low_t *coeff[MAX_MB_PLANE][3];
tran_low_t *qcoeff[MAX_MB_PLANE][3];
tran_low_t *dqcoeff[MAX_MB_PLANE][3];
uint16_t *eobs[MAX_MB_PLANE][3];
// dual buffer pointers, 0: in use, 1: best in store
tran_low_t *coeff_pbuf[MAX_MB_PLANE][3];
tran_low_t *qcoeff_pbuf[MAX_MB_PLANE][3];
tran_low_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
uint16_t *eobs_pbuf[MAX_MB_PLANE][3];
int is_coded;
int num_4x4_blk;
int skip;
int pred_pixel_ready;
// For current partition, only if all Y, U, and V transform blocks'
// coefficients are quantized to 0, skippable is set to 0.
int skippable;
uint8_t skip_txfm[MAX_MB_PLANE << 2];
int best_mode_index;
int hybrid_pred_diff;
int comp_pred_diff;
int single_pred_diff;
int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];
// TODO(jingning) Use RD_COST struct here instead. This involves a boarder
// scope of refactoring.
int rate;
int64_t dist;
int64_t rdcost;
#if CONFIG_VP9_TEMPORAL_DENOISING
unsigned int newmv_sse;
unsigned int zeromv_sse;
unsigned int zeromv_lastref_sse;
PREDICTION_MODE best_sse_inter_mode;
int_mv best_sse_mv;
MV_REFERENCE_FRAME best_reference_frame;
MV_REFERENCE_FRAME best_zeromv_reference_frame;
int sb_skip_denoising;
#endif
// motion vector cache for adaptive motion search control in partition
// search loop
MV pred_mv[MAX_REF_FRAMES];
INTERP_FILTER pred_interp_filter;
// Used for the machine learning-based early termination
int32_t sum_y_eobs;
// Skip certain ref frames during RD search of rectangular partitions.
uint8_t skip_ref_frame_mask;
} PICK_MODE_CONTEXT;
typedef struct PC_TREE {
int index;
PARTITION_TYPE partitioning;
BLOCK_SIZE block_size;
PICK_MODE_CONTEXT none;
PICK_MODE_CONTEXT horizontal[2];
PICK_MODE_CONTEXT vertical[2];
union {
struct PC_TREE *split[4];
PICK_MODE_CONTEXT *leaf_split[4];
};
} PC_TREE;
void vp9_setup_pc_tree(struct VP9Common *cm, struct ThreadData *td);
void vp9_free_pc_tree(struct ThreadData *td);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VPX_VP9_ENCODER_VP9_CONTEXT_TREE_H_