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_onyxc_int.h"
15
16struct VP9_COMP;
17
18// Structure to hold snapshot of coding context during the mode picking process
19typedef struct {
20  MODE_INFO mic;
21  uint8_t *zcoeff_blk;
22  tran_low_t *coeff[MAX_MB_PLANE][3];
23  tran_low_t *qcoeff[MAX_MB_PLANE][3];
24  tran_low_t *dqcoeff[MAX_MB_PLANE][3];
25  uint16_t *eobs[MAX_MB_PLANE][3];
26
27  // dual buffer pointers, 0: in use, 1: best in store
28  tran_low_t *coeff_pbuf[MAX_MB_PLANE][3];
29  tran_low_t *qcoeff_pbuf[MAX_MB_PLANE][3];
30  tran_low_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
31  uint16_t *eobs_pbuf[MAX_MB_PLANE][3];
32
33  int is_coded;
34  int num_4x4_blk;
35  int skip;
36  // For current partition, only if all Y, U, and V transform blocks'
37  // coefficients are quantized to 0, skippable is set to 0.
38  int skippable;
39  uint8_t skip_txfm[MAX_MB_PLANE << 2];
40  int best_mode_index;
41  int hybrid_pred_diff;
42  int comp_pred_diff;
43  int single_pred_diff;
44  int64_t tx_rd_diff[TX_MODES];
45  int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];
46
47#if CONFIG_VP9_TEMPORAL_DENOISING
48  unsigned int newmv_sse;
49  unsigned int zeromv_sse;
50  PREDICTION_MODE best_sse_inter_mode;
51  int_mv best_sse_mv;
52  MV_REFERENCE_FRAME best_reference_frame;
53  MV_REFERENCE_FRAME best_zeromv_reference_frame;
54#endif
55
56  // motion vector cache for adaptive motion search control in partition
57  // search loop
58  MV pred_mv[MAX_REF_FRAMES];
59  INTERP_FILTER pred_interp_filter;
60} PICK_MODE_CONTEXT;
61
62typedef struct PC_TREE {
63  int index;
64  PARTITION_TYPE partitioning;
65  BLOCK_SIZE block_size;
66  PICK_MODE_CONTEXT none;
67  PICK_MODE_CONTEXT horizontal[2];
68  PICK_MODE_CONTEXT vertical[2];
69  union {
70    struct PC_TREE *split[4];
71    PICK_MODE_CONTEXT *leaf_split[4];
72  };
73} PC_TREE;
74
75void vp9_setup_pc_tree(struct VP9Common *cm, struct VP9_COMP *cpi);
76void vp9_free_pc_tree(struct VP9_COMP *cpi);
77
78#endif /* VP9_ENCODER_VP9_CONTEXT_TREE_H_ */
79