Statistics
| Branch: | Revision:

ffmpeg / libavcodec / h264data.h @ 2912e87a

History | View | Annotate | Download (8.88 KB)

1
/*
2
 * H26L/H264/AVC/JVT/14496-10/... encoder/decoder
3
 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4
 *
5
 * This file is part of Libav.
6
 *
7
 * Libav is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10
 * version 2.1 of the License, or (at your option) any later version.
11
 *
12
 * Libav is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU Lesser General Public
18
 * License along with Libav; if not, write to the Free Software
19
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20
 */
21

    
22
/**
23
 * @file
24
 * @brief
25
 *     H264 / AVC / MPEG4 part10 codec data table
26
 * @author Michael Niedermayer <michaelni@gmx.at>
27
 */
28

    
29
#ifndef AVCODEC_H264DATA_H
30
#define AVCODEC_H264DATA_H
31

    
32
#include <stdint.h>
33
#include "libavutil/rational.h"
34
#include "mpegvideo.h"
35
#include "h264.h"
36

    
37

    
38
static const uint8_t golomb_to_pict_type[5]=
39
{FF_P_TYPE, FF_B_TYPE, FF_I_TYPE, FF_SP_TYPE, FF_SI_TYPE};
40

    
41
static const uint8_t golomb_to_intra4x4_cbp[48]={
42
 47, 31, 15,  0, 23, 27, 29, 30,  7, 11, 13, 14, 39, 43, 45, 46,
43
 16,  3,  5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44,  1,  2,  4,
44
  8, 17, 18, 20, 24,  6,  9, 22, 25, 32, 33, 34, 36, 40, 38, 41
45
};
46

    
47
static const uint8_t golomb_to_inter_cbp[48]={
48
  0, 16,  1,  2,  4,  8, 32,  3,  5, 10, 12, 15, 47,  7, 11, 13,
49
 14,  6,  9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,
50
 17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41
51
};
52

    
53
static const uint8_t zigzag_scan[16]={
54
 0+0*4, 1+0*4, 0+1*4, 0+2*4,
55
 1+1*4, 2+0*4, 3+0*4, 2+1*4,
56
 1+2*4, 0+3*4, 1+3*4, 2+2*4,
57
 3+1*4, 3+2*4, 2+3*4, 3+3*4,
58
};
59

    
60
static const uint8_t field_scan[16]={
61
 0+0*4, 0+1*4, 1+0*4, 0+2*4,
62
 0+3*4, 1+1*4, 1+2*4, 1+3*4,
63
 2+0*4, 2+1*4, 2+2*4, 2+3*4,
64
 3+0*4, 3+1*4, 3+2*4, 3+3*4,
65
};
66

    
67
static const uint8_t luma_dc_zigzag_scan[16]={
68
 0*16 + 0*64, 1*16 + 0*64, 2*16 + 0*64, 0*16 + 2*64,
69
 3*16 + 0*64, 0*16 + 1*64, 1*16 + 1*64, 2*16 + 1*64,
70
 1*16 + 2*64, 2*16 + 2*64, 3*16 + 2*64, 0*16 + 3*64,
71
 3*16 + 1*64, 1*16 + 3*64, 2*16 + 3*64, 3*16 + 3*64,
72
};
73

    
74
static const uint8_t luma_dc_field_scan[16]={
75
 0*16 + 0*64, 2*16 + 0*64, 1*16 + 0*64, 0*16 + 2*64,
76
 2*16 + 2*64, 3*16 + 0*64, 1*16 + 2*64, 3*16 + 2*64,
77
 0*16 + 1*64, 2*16 + 1*64, 0*16 + 3*64, 2*16 + 3*64,
78
 1*16 + 1*64, 3*16 + 1*64, 1*16 + 3*64, 3*16 + 3*64,
79
};
80

    
81
static const uint8_t chroma_dc_scan[4]={
82
 (0+0*2)*16, (1+0*2)*16,
83
 (0+1*2)*16, (1+1*2)*16,  //FIXME
84
};
85

    
86
// zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
87
static const uint8_t zigzag_scan8x8_cavlc[64]={
88
 0+0*8, 1+1*8, 1+2*8, 2+2*8,
89
 4+1*8, 0+5*8, 3+3*8, 7+0*8,
90
 3+4*8, 1+7*8, 5+3*8, 6+3*8,
91
 2+7*8, 6+4*8, 5+6*8, 7+5*8,
92
 1+0*8, 2+0*8, 0+3*8, 3+1*8,
93
 3+2*8, 0+6*8, 4+2*8, 6+1*8,
94
 2+5*8, 2+6*8, 6+2*8, 5+4*8,
95
 3+7*8, 7+3*8, 4+7*8, 7+6*8,
96
 0+1*8, 3+0*8, 0+4*8, 4+0*8,
97
 2+3*8, 1+5*8, 5+1*8, 5+2*8,
98
 1+6*8, 3+5*8, 7+1*8, 4+5*8,
99
 4+6*8, 7+4*8, 5+7*8, 6+7*8,
100
 0+2*8, 2+1*8, 1+3*8, 5+0*8,
101
 1+4*8, 2+4*8, 6+0*8, 4+3*8,
102
 0+7*8, 4+4*8, 7+2*8, 3+6*8,
103
 5+5*8, 6+5*8, 6+6*8, 7+7*8,
104
};
105

    
106
static const uint8_t field_scan8x8[64]={
107
 0+0*8, 0+1*8, 0+2*8, 1+0*8,
108
 1+1*8, 0+3*8, 0+4*8, 1+2*8,
109
 2+0*8, 1+3*8, 0+5*8, 0+6*8,
110
 0+7*8, 1+4*8, 2+1*8, 3+0*8,
111
 2+2*8, 1+5*8, 1+6*8, 1+7*8,
112
 2+3*8, 3+1*8, 4+0*8, 3+2*8,
113
 2+4*8, 2+5*8, 2+6*8, 2+7*8,
114
 3+3*8, 4+1*8, 5+0*8, 4+2*8,
115
 3+4*8, 3+5*8, 3+6*8, 3+7*8,
116
 4+3*8, 5+1*8, 6+0*8, 5+2*8,
117
 4+4*8, 4+5*8, 4+6*8, 4+7*8,
118
 5+3*8, 6+1*8, 6+2*8, 5+4*8,
119
 5+5*8, 5+6*8, 5+7*8, 6+3*8,
120
 7+0*8, 7+1*8, 6+4*8, 6+5*8,
121
 6+6*8, 6+7*8, 7+2*8, 7+3*8,
122
 7+4*8, 7+5*8, 7+6*8, 7+7*8,
123
};
124

    
125
static const uint8_t field_scan8x8_cavlc[64]={
126
 0+0*8, 1+1*8, 2+0*8, 0+7*8,
127
 2+2*8, 2+3*8, 2+4*8, 3+3*8,
128
 3+4*8, 4+3*8, 4+4*8, 5+3*8,
129
 5+5*8, 7+0*8, 6+6*8, 7+4*8,
130
 0+1*8, 0+3*8, 1+3*8, 1+4*8,
131
 1+5*8, 3+1*8, 2+5*8, 4+1*8,
132
 3+5*8, 5+1*8, 4+5*8, 6+1*8,
133
 5+6*8, 7+1*8, 6+7*8, 7+5*8,
134
 0+2*8, 0+4*8, 0+5*8, 2+1*8,
135
 1+6*8, 4+0*8, 2+6*8, 5+0*8,
136
 3+6*8, 6+0*8, 4+6*8, 6+2*8,
137
 5+7*8, 6+4*8, 7+2*8, 7+6*8,
138
 1+0*8, 1+2*8, 0+6*8, 3+0*8,
139
 1+7*8, 3+2*8, 2+7*8, 4+2*8,
140
 3+7*8, 5+2*8, 4+7*8, 5+4*8,
141
 6+3*8, 6+5*8, 7+3*8, 7+7*8,
142
};
143

    
144
typedef struct IMbInfo{
145
    uint16_t type;
146
    uint8_t pred_mode;
147
    uint8_t cbp;
148
} IMbInfo;
149

    
150
static const IMbInfo i_mb_type_info[26]={
151
{MB_TYPE_INTRA4x4  , -1, -1},
152
{MB_TYPE_INTRA16x16,  2,  0},
153
{MB_TYPE_INTRA16x16,  1,  0},
154
{MB_TYPE_INTRA16x16,  0,  0},
155
{MB_TYPE_INTRA16x16,  3,  0},
156
{MB_TYPE_INTRA16x16,  2,  16},
157
{MB_TYPE_INTRA16x16,  1,  16},
158
{MB_TYPE_INTRA16x16,  0,  16},
159
{MB_TYPE_INTRA16x16,  3,  16},
160
{MB_TYPE_INTRA16x16,  2,  32},
161
{MB_TYPE_INTRA16x16,  1,  32},
162
{MB_TYPE_INTRA16x16,  0,  32},
163
{MB_TYPE_INTRA16x16,  3,  32},
164
{MB_TYPE_INTRA16x16,  2,  15+0},
165
{MB_TYPE_INTRA16x16,  1,  15+0},
166
{MB_TYPE_INTRA16x16,  0,  15+0},
167
{MB_TYPE_INTRA16x16,  3,  15+0},
168
{MB_TYPE_INTRA16x16,  2,  15+16},
169
{MB_TYPE_INTRA16x16,  1,  15+16},
170
{MB_TYPE_INTRA16x16,  0,  15+16},
171
{MB_TYPE_INTRA16x16,  3,  15+16},
172
{MB_TYPE_INTRA16x16,  2,  15+32},
173
{MB_TYPE_INTRA16x16,  1,  15+32},
174
{MB_TYPE_INTRA16x16,  0,  15+32},
175
{MB_TYPE_INTRA16x16,  3,  15+32},
176
{MB_TYPE_INTRA_PCM , -1, -1},
177
};
178

    
179
typedef struct PMbInfo{
180
    uint16_t type;
181
    uint8_t partition_count;
182
} PMbInfo;
183

    
184
static const PMbInfo p_mb_type_info[5]={
185
{MB_TYPE_16x16|MB_TYPE_P0L0             , 1},
186
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
187
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
188
{MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P1L0, 4},
189
{MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_REF0, 4},
190
};
191

    
192
static const PMbInfo p_sub_mb_type_info[4]={
193
{MB_TYPE_16x16|MB_TYPE_P0L0             , 1},
194
{MB_TYPE_16x8 |MB_TYPE_P0L0             , 2},
195
{MB_TYPE_8x16 |MB_TYPE_P0L0             , 2},
196
{MB_TYPE_8x8  |MB_TYPE_P0L0             , 4},
197
};
198

    
199
static const PMbInfo b_mb_type_info[23]={
200
{MB_TYPE_DIRECT2|MB_TYPE_L0L1                                      , 1, },
201
{MB_TYPE_16x16|MB_TYPE_P0L0                                       , 1, },
202
{MB_TYPE_16x16             |MB_TYPE_P0L1                          , 1, },
203
{MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1                          , 1, },
204
{MB_TYPE_16x8 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
205
{MB_TYPE_8x16 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
206
{MB_TYPE_16x8              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
207
{MB_TYPE_8x16              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
208
{MB_TYPE_16x8 |MB_TYPE_P0L0                          |MB_TYPE_P1L1, 2, },
209
{MB_TYPE_8x16 |MB_TYPE_P0L0                          |MB_TYPE_P1L1, 2, },
210
{MB_TYPE_16x8              |MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
211
{MB_TYPE_8x16              |MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
212
{MB_TYPE_16x8 |MB_TYPE_P0L0             |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
213
{MB_TYPE_8x16 |MB_TYPE_P0L0             |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
214
{MB_TYPE_16x8              |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
215
{MB_TYPE_8x16              |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
216
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
217
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
218
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
219
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
220
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
221
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
222
{MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
223
};
224

    
225
static const PMbInfo b_sub_mb_type_info[13]={
226
{MB_TYPE_DIRECT2                                                   , 1, },
227
{MB_TYPE_16x16|MB_TYPE_P0L0                                       , 1, },
228
{MB_TYPE_16x16             |MB_TYPE_P0L1                          , 1, },
229
{MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1                          , 1, },
230
{MB_TYPE_16x8 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
231
{MB_TYPE_8x16 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
232
{MB_TYPE_16x8              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
233
{MB_TYPE_8x16              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
234
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
235
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
236
{MB_TYPE_8x8  |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 4, },
237
{MB_TYPE_8x8               |MB_TYPE_P0L1             |MB_TYPE_P1L1, 4, },
238
{MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
239
};
240

    
241
static const uint8_t dequant4_coeff_init[6][3]={
242
  {10,13,16},
243
  {11,14,18},
244
  {13,16,20},
245
  {14,18,23},
246
  {16,20,25},
247
  {18,23,29},
248
};
249

    
250
static const uint8_t dequant8_coeff_init_scan[16] = {
251
  0,3,4,3, 3,1,5,1, 4,5,2,5, 3,1,5,1
252
};
253
static const uint8_t dequant8_coeff_init[6][6]={
254
  {20,18,32,19,25,24},
255
  {22,19,35,21,28,26},
256
  {26,23,42,24,33,31},
257
  {28,25,45,26,35,33},
258
  {32,28,51,30,40,38},
259
  {36,32,58,34,46,43},
260
};
261

    
262
#endif /* AVCODEC_H264DATA_H */