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 VPX_VP8_ENCODER_BLOCK_H_
12 #define VPX_VP8_ENCODER_BLOCK_H_
13 
14 #include "vp8/common/onyx.h"
15 #include "vp8/common/blockd.h"
16 #include "vp8/common/entropymv.h"
17 #include "vp8/common/entropy.h"
18 #include "vpx_ports/mem.h"
19 
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23 
24 #define MAX_MODES 20
25 #define MAX_ERROR_BINS 1024
26 
27 /* motion search site */
28 typedef struct {
29   MV mv;
30   int offset;
31 } search_site;
32 
33 typedef struct block {
34   /* 16 Y blocks, 4 U blocks, 4 V blocks each with 16 entries */
35   short *src_diff;
36   short *coeff;
37 
38   /* 16 Y blocks, 4 U blocks, 4 V blocks each with 16 entries */
39   short *quant;
40   short *quant_fast;
41   short *quant_shift;
42   short *zbin;
43   short *zrun_zbin_boost;
44   short *round;
45 
46   /* Zbin Over Quant value */
47   short zbin_extra;
48 
49   unsigned char **base_src;
50   int src;
51   int src_stride;
52 } BLOCK;
53 
54 typedef struct {
55   int count;
56   struct {
57     B_PREDICTION_MODE mode;
58     int_mv mv;
59   } bmi[16];
60 } PARTITION_INFO;
61 
62 typedef struct macroblock {
63   DECLARE_ALIGNED(16, short, src_diff[400]); /* 25 blocks Y,U,V,Y2 */
64   DECLARE_ALIGNED(16, short, coeff[400]);    /* 25 blocks Y,U,V,Y2 */
65   DECLARE_ALIGNED(16, unsigned char, thismb[256]);
66 
67   unsigned char *thismb_ptr;
68   /* 16 Y, 4 U, 4 V, 1 DC 2nd order block */
69   BLOCK block[25];
70 
71   YV12_BUFFER_CONFIG src;
72 
73   MACROBLOCKD e_mbd;
74   PARTITION_INFO *partition_info; /* work pointer */
75   PARTITION_INFO *pi;  /* Corresponds to upper left visible macroblock */
76   PARTITION_INFO *pip; /* Base of allocated array */
77 
78   int ref_frame_cost[MAX_REF_FRAMES];
79 
80   search_site *ss;
81   int ss_count;
82   int searches_per_step;
83 
84   int errorperbit;
85   int sadperbit16;
86   int sadperbit4;
87   int rddiv;
88   int rdmult;
89   unsigned int *mb_activity_ptr;
90   int *mb_norm_activity_ptr;
91   signed int act_zbin_adj;
92   signed int last_act_zbin_adj;
93 
94   int *mvcost[2];
95   int *mvsadcost[2];
96   int (*mbmode_cost)[MB_MODE_COUNT];
97   int (*intra_uv_mode_cost)[MB_MODE_COUNT];
98   int (*bmode_costs)[10][10];
99   int *inter_bmode_costs;
100   int (*token_costs)[COEF_BANDS][PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS];
101 
102   /* These define limits to motion vector components to prevent
103    * them from extending outside the UMV borders.
104    */
105   int mv_col_min;
106   int mv_col_max;
107   int mv_row_min;
108   int mv_row_max;
109 
110   int skip;
111 
112   unsigned int encode_breakout;
113 
114   signed char *gf_active_ptr;
115 
116   unsigned char *active_ptr;
117   MV_CONTEXT *mvc;
118 
119   int optimize;
120   int q_index;
121   int is_skin;
122   int denoise_zeromv;
123 
124 #if CONFIG_TEMPORAL_DENOISING
125   int increase_denoising;
126   MB_PREDICTION_MODE best_sse_inter_mode;
127   int_mv best_sse_mv;
128   MV_REFERENCE_FRAME best_reference_frame;
129   MV_REFERENCE_FRAME best_zeromv_reference_frame;
130   unsigned char need_to_clamp_best_mvs;
131 #endif
132 
133   int skip_true_count;
134   unsigned int coef_counts[BLOCK_TYPES][COEF_BANDS][PREV_COEF_CONTEXTS]
135                           [MAX_ENTROPY_TOKENS];
136   unsigned int MVcount[2][MVvals]; /* (row,col) MV cts this frame */
137   int ymode_count[VP8_YMODES];     /* intra MB type cts this frame */
138   int uv_mode_count[VP8_UV_MODES]; /* intra MB type cts this frame */
139   int64_t prediction_error;
140   int64_t intra_error;
141   int count_mb_ref_frame_usage[MAX_REF_FRAMES];
142 
143   int rd_thresh_mult[MAX_MODES];
144   int rd_threshes[MAX_MODES];
145   unsigned int mbs_tested_so_far;
146   unsigned int mode_test_hit_counts[MAX_MODES];
147   int zbin_mode_boost_enabled;
148   int zbin_mode_boost;
149   int last_zbin_mode_boost;
150 
151   int last_zbin_over_quant;
152   int zbin_over_quant;
153   int error_bins[MAX_ERROR_BINS];
154 
155   void (*short_fdct4x4)(short *input, short *output, int pitch);
156   void (*short_fdct8x4)(short *input, short *output, int pitch);
157   void (*short_walsh4x4)(short *input, short *output, int pitch);
158   void (*quantize_b)(BLOCK *b, BLOCKD *d);
159 
160   unsigned int mbs_zero_last_dot_suppress;
161   int zero_last_dot_suppress;
162 } MACROBLOCK;
163 
164 #ifdef __cplusplus
165 }  // extern "C"
166 #endif
167 
168 #endif  // VPX_VP8_ENCODER_BLOCK_H_
169