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_entropymv.h"
15 #include "vp9/common/vp9_entropy.h"
16 
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20 
21 typedef struct {
22   unsigned int sse;
23   int sum;
24   unsigned int var;
25 } diff;
26 
27 struct macroblock_plane {
28   DECLARE_ALIGNED(16, int16_t, src_diff[64 * 64]);
29   tran_low_t *qcoeff;
30   tran_low_t *coeff;
31   uint16_t *eobs;
32   struct buf_2d src;
33 
34   // Quantizer setings
35   int16_t *quant_fp;
36   int16_t *round_fp;
37   int16_t *quant;
38   int16_t *quant_shift;
39   int16_t *zbin;
40   int16_t *round;
41 
42   int64_t quant_thred[2];
43 };
44 
45 /* The [2] dimension is for whether we skip the EOB node (i.e. if previous
46  * coefficient in this block was zero) or not. */
47 typedef unsigned int vp9_coeff_cost[PLANE_TYPES][REF_TYPES][COEF_BANDS][2]
48                                    [COEFF_CONTEXTS][ENTROPY_TOKENS];
49 
50 typedef struct {
51   int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
52   uint8_t mode_context[MAX_REF_FRAMES];
53 } MB_MODE_INFO_EXT;
54 
55 typedef struct macroblock MACROBLOCK;
56 struct macroblock {
57   struct macroblock_plane plane[MAX_MB_PLANE];
58 
59   MACROBLOCKD e_mbd;
60   MB_MODE_INFO_EXT *mbmi_ext;
61   MB_MODE_INFO_EXT *mbmi_ext_base;
62   int skip_block;
63   int select_tx_size;
64   int skip_recode;
65   int skip_optimize;
66   int q_index;
67 
68   int errorperbit;
69   int sadperbit16;
70   int sadperbit4;
71   int rddiv;
72   int rdmult;
73   int mb_energy;
74 
75   // These are set to their default values at the beginning, and then adjusted
76   // further in the encoding process.
77   BLOCK_SIZE min_partition_size;
78   BLOCK_SIZE max_partition_size;
79 
80   int mv_best_ref_index[MAX_REF_FRAMES];
81   unsigned int max_mv_context[MAX_REF_FRAMES];
82   unsigned int source_variance;
83   unsigned int pred_sse[MAX_REF_FRAMES];
84   int pred_mv_sad[MAX_REF_FRAMES];
85 
86   int nmvjointcost[MV_JOINTS];
87   int *nmvcost[2];
88   int *nmvcost_hp[2];
89   int **mvcost;
90 
91   int nmvjointsadcost[MV_JOINTS];
92   int *nmvsadcost[2];
93   int *nmvsadcost_hp[2];
94   int **mvsadcost;
95 
96   // These define limits to motion vector components to prevent them
97   // from extending outside the UMV borders
98   int mv_col_min;
99   int mv_col_max;
100   int mv_row_min;
101   int mv_row_max;
102 
103   // Notes transform blocks where no coefficents are coded.
104   // Set during mode selection. Read during block encoding.
105   uint8_t zcoeff_blk[TX_SIZES][256];
106 
107   int skip;
108 
109   int encode_breakout;
110 
111   // note that token_costs is the cost when eob node is skipped
112   vp9_coeff_cost token_costs[TX_SIZES];
113 
114   int optimize;
115 
116   // indicate if it is in the rd search loop or encoding process
117   int use_lp32x32fdct;
118   int skip_encode;
119 
120   // use fast quantization process
121   int quant_fp;
122 
123   // skip forward transform and quantization
124   uint8_t skip_txfm[MAX_MB_PLANE << 2];
125   #define SKIP_TXFM_NONE 0
126   #define SKIP_TXFM_AC_DC 1
127   #define SKIP_TXFM_AC_ONLY 2
128 
129   int64_t bsse[MAX_MB_PLANE << 2];
130 
131   // Used to store sub partition's choices.
132   MV pred_mv[MAX_REF_FRAMES];
133 
134   // Strong color activity detection. Used in RTC coding mode to enhance
135   // the visual quality at the boundary of moving color objects.
136   uint8_t color_sensitivity[2];
137 
138   void (*fwd_txm4x4)(const int16_t *input, tran_low_t *output, int stride);
139   void (*itxm_add)(const tran_low_t *input, uint8_t *dest, int stride, int eob);
140 #if CONFIG_VP9_HIGHBITDEPTH
141   void (*highbd_itxm_add)(const tran_low_t *input, uint8_t *dest, int stride,
142                           int eob, int bd);
143 #endif
144 };
145 
146 #ifdef __cplusplus
147 }  // extern "C"
148 #endif
149 
150 #endif  // VP9_ENCODER_VP9_BLOCK_H_
151