vp9_block.h revision 91037db265ecdd914a26e056cf69207b4f50924e 
1/*
2 *  Copyright (c) 2010 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_BLOCK_H_
12#define VP9_ENCODER_VP9_BLOCK_H_
13
14#include "vp9/common/vp9_onyx.h"
15#include "vp9/common/vp9_entropymv.h"
16#include "vp9/common/vp9_entropy.h"
17#include "vpx_ports/mem.h"
18#include "vp9/common/vp9_onyxc_int.h"
19
20// motion search site
21typedef struct {
22  MV mv;
23  int offset;
24} search_site;
25
26typedef struct {
27  struct {
28    MB_PREDICTION_MODE mode;
29  } bmi[4];
30} PARTITION_INFO;
31
32// Structure to hold snapshot of coding context during the mode picking process
33// TODO Do we need all of these?
34typedef struct {
35  MODE_INFO mic;
36  PARTITION_INFO partition_info;
37  int skip;
38  int_mv best_ref_mv;
39  int_mv second_best_ref_mv;
40  int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
41  int rate;
42  int distortion;
43  int64_t intra_error;
44  int best_mode_index;
45  int rddiv;
46  int rdmult;
47  int hybrid_pred_diff;
48  int comp_pred_diff;
49  int single_pred_diff;
50  int64_t txfm_rd_diff[NB_TXFM_MODES];
51  int64_t best_filter_diff[VP9_SWITCHABLE_FILTERS + 1];
52
53  // Bit flag for each mode whether it has high error in comparison to others.
54  unsigned int modes_with_high_error;
55
56  // Bit flag for each ref frame whether it has high error compared to others.
57  unsigned int frames_with_high_error;
58} PICK_MODE_CONTEXT;
59
60struct macroblock_plane {
61  DECLARE_ALIGNED(16, int16_t, src_diff[64*64]);
62  DECLARE_ALIGNED(16, int16_t, coeff[64*64]);
63  struct buf_2d src;
64
65  // Quantizer setings
66  int16_t *quant;
67  int16_t *quant_shift;
68  int16_t *zbin;
69  int16_t *round;
70
71  // Zbin Over Quant value
72  int16_t zbin_extra;
73};
74
75typedef struct macroblock MACROBLOCK;
76struct macroblock {
77  struct macroblock_plane plane[MAX_MB_PLANE];
78
79  MACROBLOCKD e_mbd;
80  int skip_block;
81  PARTITION_INFO *partition_info; /* work pointer */
82  PARTITION_INFO *pi;   /* Corresponds to upper left visible macroblock */
83  PARTITION_INFO *pip;  /* Base of allocated array */
84
85  search_site *ss;
86  int ss_count;
87  int searches_per_step;
88
89  int errorperbit;
90  int sadperbit16;
91  int sadperbit4;
92  int rddiv;
93  int rdmult;
94  unsigned int *mb_activity_ptr;
95  int *mb_norm_activity_ptr;
96  signed int act_zbin_adj;
97
98  int mv_best_ref_index[MAX_REF_FRAMES];
99  unsigned int max_mv_context[MAX_REF_FRAMES];
100
101  int nmvjointcost[MV_JOINTS];
102  int nmvcosts[2][MV_VALS];
103  int *nmvcost[2];
104  int nmvcosts_hp[2][MV_VALS];
105  int *nmvcost_hp[2];
106  int **mvcost;
107
108  int nmvjointsadcost[MV_JOINTS];
109  int nmvsadcosts[2][MV_VALS];
110  int *nmvsadcost[2];
111  int nmvsadcosts_hp[2][MV_VALS];
112  int *nmvsadcost_hp[2];
113  int **mvsadcost;
114
115  int mbmode_cost[MB_MODE_COUNT];
116  unsigned inter_mode_cost[INTER_MODE_CONTEXTS][MB_MODE_COUNT - NEARESTMV];
117  int intra_uv_mode_cost[2][MB_MODE_COUNT];
118  int y_mode_costs[VP9_INTRA_MODES][VP9_INTRA_MODES][VP9_INTRA_MODES];
119  int switchable_interp_costs[VP9_SWITCHABLE_FILTERS + 1]
120                             [VP9_SWITCHABLE_FILTERS];
121
122  // These define limits to motion vector components to prevent them
123  // from extending outside the UMV borders
124  int mv_col_min;
125  int mv_col_max;
126  int mv_row_min;
127  int mv_row_max;
128
129  int skip;
130
131  int encode_breakout;
132
133  unsigned char *active_ptr;
134
135  // note that token_costs is the cost when eob node is skipped
136  vp9_coeff_count token_costs[TX_SIZE_MAX_SB][BLOCK_TYPES][2];
137
138  int optimize;
139
140  // indicate if it is in the rd search loop or encoding process
141  int rd_search;
142  int skip_encode;
143
144  // Used to store sub partition's choices.
145  int fast_ms;
146  int_mv pred_mv;
147  int subblock_ref;
148
149  // TODO(jingning): Need to refactor the structure arrays that buffers the
150  // coding mode decisions of each partition type.
151  PICK_MODE_CONTEXT ab4x4_context[4][4][4];
152  PICK_MODE_CONTEXT sb8x4_context[4][4][4];
153  PICK_MODE_CONTEXT sb4x8_context[4][4][4];
154  PICK_MODE_CONTEXT sb8x8_context[4][4][4];
155  PICK_MODE_CONTEXT sb8x16_context[4][4][2];
156  PICK_MODE_CONTEXT sb16x8_context[4][4][2];
157  PICK_MODE_CONTEXT mb_context[4][4];
158  PICK_MODE_CONTEXT sb32x16_context[4][2];
159  PICK_MODE_CONTEXT sb16x32_context[4][2];
160  // when 4 MBs share coding parameters:
161  PICK_MODE_CONTEXT sb32_context[4];
162  PICK_MODE_CONTEXT sb32x64_context[2];
163  PICK_MODE_CONTEXT sb64x32_context[2];
164  PICK_MODE_CONTEXT sb64_context;
165  int partition_cost[NUM_PARTITION_CONTEXTS][PARTITION_TYPES];
166
167  BLOCK_SIZE_TYPE b_partitioning[4][4][4];
168  BLOCK_SIZE_TYPE mb_partitioning[4][4];
169  BLOCK_SIZE_TYPE sb_partitioning[4];
170  BLOCK_SIZE_TYPE sb64_partitioning;
171
172  void (*fwd_txm4x4)(int16_t *input, int16_t *output, int pitch);
173  void (*fwd_txm8x4)(int16_t *input, int16_t *output, int pitch);
174  void (*fwd_txm8x8)(int16_t *input, int16_t *output, int pitch);
175  void (*fwd_txm16x16)(int16_t *input, int16_t *output, int pitch);
176  void (*quantize_b_4x4)(MACROBLOCK *x, int b_idx, TX_TYPE tx_type,
177                         int y_blocks);
178};
179
180#endif  // VP9_ENCODER_VP9_BLOCK_H_
181