1/*
2 *  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef VP9_ENCODER_VP9_CONTEXT_TREE_H_
12#define VP9_ENCODER_VP9_CONTEXT_TREE_H_
13
14#include "vp9/common/vp9_blockd.h"
15#include "vp9/encoder/vp9_block.h"
16
17#ifdef __cplusplus
18extern "C" {
19#endif
20
21struct VP9_COMP;
22struct VP9Common;
23struct ThreadData;
24
25// Structure to hold snapshot of coding context during the mode picking process
26typedef struct {
27  MODE_INFO mic;
28  MB_MODE_INFO_EXT mbmi_ext;
29  uint8_t *zcoeff_blk;
30  tran_low_t *coeff[MAX_MB_PLANE][3];
31  tran_low_t *qcoeff[MAX_MB_PLANE][3];
32  tran_low_t *dqcoeff[MAX_MB_PLANE][3];
33  uint16_t *eobs[MAX_MB_PLANE][3];
34
35  // dual buffer pointers, 0: in use, 1: best in store
36  tran_low_t *coeff_pbuf[MAX_MB_PLANE][3];
37  tran_low_t *qcoeff_pbuf[MAX_MB_PLANE][3];
38  tran_low_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
39  uint16_t *eobs_pbuf[MAX_MB_PLANE][3];
40
41  int is_coded;
42  int num_4x4_blk;
43  int skip;
44  int pred_pixel_ready;
45  // For current partition, only if all Y, U, and V transform blocks'
46  // coefficients are quantized to 0, skippable is set to 0.
47  int skippable;
48  uint8_t skip_txfm[MAX_MB_PLANE << 2];
49  int best_mode_index;
50  int hybrid_pred_diff;
51  int comp_pred_diff;
52  int single_pred_diff;
53  int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];
54
55  // TODO(jingning) Use RD_COST struct here instead. This involves a boarder
56  // scope of refactoring.
57  int rate;
58  int64_t dist;
59
60#if CONFIG_VP9_TEMPORAL_DENOISING
61  unsigned int newmv_sse;
62  unsigned int zeromv_sse;
63  PREDICTION_MODE best_sse_inter_mode;
64  int_mv best_sse_mv;
65  MV_REFERENCE_FRAME best_reference_frame;
66  MV_REFERENCE_FRAME best_zeromv_reference_frame;
67#endif
68
69  // motion vector cache for adaptive motion search control in partition
70  // search loop
71  MV pred_mv[MAX_REF_FRAMES];
72  INTERP_FILTER pred_interp_filter;
73} PICK_MODE_CONTEXT;
74
75typedef struct PC_TREE {
76  int index;
77  PARTITION_TYPE partitioning;
78  BLOCK_SIZE block_size;
79  PICK_MODE_CONTEXT none;
80  PICK_MODE_CONTEXT horizontal[2];
81  PICK_MODE_CONTEXT vertical[2];
82  union {
83    struct PC_TREE *split[4];
84    PICK_MODE_CONTEXT *leaf_split[4];
85  };
86} PC_TREE;
87
88void vp9_setup_pc_tree(struct VP9Common *cm, struct ThreadData *td);
89void vp9_free_pc_tree(struct ThreadData *td);
90
91#ifdef __cplusplus
92}  // extern "C"
93#endif
94
95#endif /* VP9_ENCODER_VP9_CONTEXT_TREE_H_ */
96