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
17struct VP9_COMP;
18struct VP9Common;
19struct ThreadData;
20
21// Structure to hold snapshot of coding context during the mode picking process
22typedef struct {
23  MODE_INFO mic;
24  MB_MODE_INFO_EXT mbmi_ext;
25  uint8_t *zcoeff_blk;
26  tran_low_t *coeff[MAX_MB_PLANE][3];
27  tran_low_t *qcoeff[MAX_MB_PLANE][3];
28  tran_low_t *dqcoeff[MAX_MB_PLANE][3];
29  uint16_t *eobs[MAX_MB_PLANE][3];
30
31  // dual buffer pointers, 0: in use, 1: best in store
32  tran_low_t *coeff_pbuf[MAX_MB_PLANE][3];
33  tran_low_t *qcoeff_pbuf[MAX_MB_PLANE][3];
34  tran_low_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
35  uint16_t *eobs_pbuf[MAX_MB_PLANE][3];
36
37  int is_coded;
38  int num_4x4_blk;
39  int skip;
40  int pred_pixel_ready;
41  // For current partition, only if all Y, U, and V transform blocks'
42  // coefficients are quantized to 0, skippable is set to 0.
43  int skippable;
44  uint8_t skip_txfm[MAX_MB_PLANE << 2];
45  int best_mode_index;
46  int hybrid_pred_diff;
47  int comp_pred_diff;
48  int single_pred_diff;
49  int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];
50
51  // TODO(jingning) Use RD_COST struct here instead. This involves a boarder
52  // scope of refactoring.
53  int rate;
54  int64_t dist;
55
56#if CONFIG_VP9_TEMPORAL_DENOISING
57  unsigned int newmv_sse;
58  unsigned int zeromv_sse;
59  PREDICTION_MODE best_sse_inter_mode;
60  int_mv best_sse_mv;
61  MV_REFERENCE_FRAME best_reference_frame;
62  MV_REFERENCE_FRAME best_zeromv_reference_frame;
63#endif
64
65  // motion vector cache for adaptive motion search control in partition
66  // search loop
67  MV pred_mv[MAX_REF_FRAMES];
68  INTERP_FILTER pred_interp_filter;
69} PICK_MODE_CONTEXT;
70
71typedef struct PC_TREE {
72  int index;
73  PARTITION_TYPE partitioning;
74  BLOCK_SIZE block_size;
75  PICK_MODE_CONTEXT none;
76  PICK_MODE_CONTEXT horizontal[2];
77  PICK_MODE_CONTEXT vertical[2];
78  union {
79    struct PC_TREE *split[4];
80    PICK_MODE_CONTEXT *leaf_split[4];
81  };
82} PC_TREE;
83
84void vp9_setup_pc_tree(struct VP9Common *cm, struct ThreadData *td);
85void vp9_free_pc_tree(struct ThreadData *td);
86
87#endif /* VP9_ENCODER_VP9_CONTEXT_TREE_H_ */
88