h264data.h 9.06 KB
Newer Older
1 2 3 4
/*
 * H26L/H264/AVC/JVT/14496-10/... encoder/decoder
 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
 *
5 6 7
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
8 9
 * modify it under the terms of the GNU Lesser General Public
 * 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
 * FFmpeg is distributed in the hope that it will be useful,
13 14 15 16 17
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
18
 * License along with FFmpeg; 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 26 27 28
 *     H264 / AVC / MPEG4 part10 codec data table
 * @author Michael Niedermayer <michaelni@gmx.at>
 */

29 30
#ifndef AVCODEC_H264DATA_H
#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
{AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI};
40

41 42 43 44 45 46 47 48 49 50 51 52
static const uint8_t golomb_to_intra4x4_cbp[48]={
 47, 31, 15,  0, 23, 27, 29, 30,  7, 11, 13, 14, 39, 43, 45, 46,
 16,  3,  5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44,  1,  2,  4,
  8, 17, 18, 20, 24,  6,  9, 22, 25, 32, 33, 34, 36, 40, 38, 41
};

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

53
static const uint8_t zigzag_scan[16]={
54 55 56 57
 0+0*4, 1+0*4, 0+1*4, 0+2*4,
 1+1*4, 2+0*4, 3+0*4, 2+1*4,
 1+2*4, 0+3*4, 1+3*4, 2+2*4,
 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 65 66 67 68 69 70 71 72 73 74
 3+0*4, 3+1*4, 3+2*4, 3+3*4,
};

static const uint8_t luma_dc_zigzag_scan[16]={
 0*16 + 0*64, 1*16 + 0*64, 2*16 + 0*64, 0*16 + 2*64,
 3*16 + 0*64, 0*16 + 1*64, 1*16 + 1*64, 2*16 + 1*64,
 1*16 + 2*64, 2*16 + 2*64, 3*16 + 2*64, 0*16 + 3*64,
 3*16 + 1*64, 1*16 + 3*64, 2*16 + 3*64, 3*16 + 3*64,
};

static const uint8_t luma_dc_field_scan[16]={
75 76 77
 0*16 + 0*64, 2*16 + 0*64, 1*16 + 0*64, 0*16 + 2*64,
 2*16 + 2*64, 3*16 + 0*64, 1*16 + 2*64, 3*16 + 2*64,
 0*16 + 1*64, 2*16 + 1*64, 0*16 + 3*64, 2*16 + 3*64,
78 79 80 81
 1*16 + 1*64, 3*16 + 1*64, 1*16 + 3*64, 3*16 + 3*64,
};

static const uint8_t chroma_dc_scan[4]={
82
 (0+0*2)*16, (1+0*2)*16,
83 84 85 86 87 88 89 90
 (0+1*2)*16, (1+1*2)*16,
};

static const uint8_t chroma422_dc_scan[8]={
 (0+0*2)*16, (0+1*2)*16,
 (1+0*2)*16, (0+2*2)*16,
 (0+3*2)*16, (1+1*2)*16,
 (1+2*2)*16, (1+3*2)*16,
91 92
};

93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112
// zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
static const uint8_t zigzag_scan8x8_cavlc[64]={
 0+0*8, 1+1*8, 1+2*8, 2+2*8,
 4+1*8, 0+5*8, 3+3*8, 7+0*8,
 3+4*8, 1+7*8, 5+3*8, 6+3*8,
 2+7*8, 6+4*8, 5+6*8, 7+5*8,
 1+0*8, 2+0*8, 0+3*8, 3+1*8,
 3+2*8, 0+6*8, 4+2*8, 6+1*8,
 2+5*8, 2+6*8, 6+2*8, 5+4*8,
 3+7*8, 7+3*8, 4+7*8, 7+6*8,
 0+1*8, 3+0*8, 0+4*8, 4+0*8,
 2+3*8, 1+5*8, 5+1*8, 5+2*8,
 1+6*8, 3+5*8, 7+1*8, 4+5*8,
 4+6*8, 7+4*8, 5+7*8, 6+7*8,
 0+2*8, 2+1*8, 1+3*8, 5+0*8,
 1+4*8, 2+4*8, 6+0*8, 4+3*8,
 0+7*8, 4+4*8, 7+2*8, 3+6*8,
 5+5*8, 6+5*8, 6+6*8, 7+7*8,
};

113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
static const uint8_t field_scan8x8[64]={
 0+0*8, 0+1*8, 0+2*8, 1+0*8,
 1+1*8, 0+3*8, 0+4*8, 1+2*8,
 2+0*8, 1+3*8, 0+5*8, 0+6*8,
 0+7*8, 1+4*8, 2+1*8, 3+0*8,
 2+2*8, 1+5*8, 1+6*8, 1+7*8,
 2+3*8, 3+1*8, 4+0*8, 3+2*8,
 2+4*8, 2+5*8, 2+6*8, 2+7*8,
 3+3*8, 4+1*8, 5+0*8, 4+2*8,
 3+4*8, 3+5*8, 3+6*8, 3+7*8,
 4+3*8, 5+1*8, 6+0*8, 5+2*8,
 4+4*8, 4+5*8, 4+6*8, 4+7*8,
 5+3*8, 6+1*8, 6+2*8, 5+4*8,
 5+5*8, 5+6*8, 5+7*8, 6+3*8,
 7+0*8, 7+1*8, 6+4*8, 6+5*8,
 6+6*8, 6+7*8, 7+2*8, 7+3*8,
 7+4*8, 7+5*8, 7+6*8, 7+7*8,
};

static const uint8_t field_scan8x8_cavlc[64]={
 0+0*8, 1+1*8, 2+0*8, 0+7*8,
 2+2*8, 2+3*8, 2+4*8, 3+3*8,
 3+4*8, 4+3*8, 4+4*8, 5+3*8,
 5+5*8, 7+0*8, 6+6*8, 7+4*8,
 0+1*8, 0+3*8, 1+3*8, 1+4*8,
 1+5*8, 3+1*8, 2+5*8, 4+1*8,
 3+5*8, 5+1*8, 4+5*8, 6+1*8,
 5+6*8, 7+1*8, 6+7*8, 7+5*8,
 0+2*8, 0+4*8, 0+5*8, 2+1*8,
 1+6*8, 4+0*8, 2+6*8, 5+0*8,
 3+6*8, 6+0*8, 4+6*8, 6+2*8,
 5+7*8, 6+4*8, 7+2*8, 7+6*8,
 1+0*8, 1+2*8, 0+6*8, 3+0*8,
 1+7*8, 3+2*8, 2+7*8, 4+2*8,
 3+7*8, 5+2*8, 4+7*8, 5+4*8,
 6+3*8, 6+5*8, 7+3*8, 7+7*8,
};

151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194
typedef struct IMbInfo{
    uint16_t type;
    uint8_t pred_mode;
    uint8_t cbp;
} IMbInfo;

static const IMbInfo i_mb_type_info[26]={
{MB_TYPE_INTRA4x4  , -1, -1},
{MB_TYPE_INTRA16x16,  2,  0},
{MB_TYPE_INTRA16x16,  1,  0},
{MB_TYPE_INTRA16x16,  0,  0},
{MB_TYPE_INTRA16x16,  3,  0},
{MB_TYPE_INTRA16x16,  2,  16},
{MB_TYPE_INTRA16x16,  1,  16},
{MB_TYPE_INTRA16x16,  0,  16},
{MB_TYPE_INTRA16x16,  3,  16},
{MB_TYPE_INTRA16x16,  2,  32},
{MB_TYPE_INTRA16x16,  1,  32},
{MB_TYPE_INTRA16x16,  0,  32},
{MB_TYPE_INTRA16x16,  3,  32},
{MB_TYPE_INTRA16x16,  2,  15+0},
{MB_TYPE_INTRA16x16,  1,  15+0},
{MB_TYPE_INTRA16x16,  0,  15+0},
{MB_TYPE_INTRA16x16,  3,  15+0},
{MB_TYPE_INTRA16x16,  2,  15+16},
{MB_TYPE_INTRA16x16,  1,  15+16},
{MB_TYPE_INTRA16x16,  0,  15+16},
{MB_TYPE_INTRA16x16,  3,  15+16},
{MB_TYPE_INTRA16x16,  2,  15+32},
{MB_TYPE_INTRA16x16,  1,  15+32},
{MB_TYPE_INTRA16x16,  0,  15+32},
{MB_TYPE_INTRA16x16,  3,  15+32},
{MB_TYPE_INTRA_PCM , -1, -1},
};

typedef struct PMbInfo{
    uint16_t type;
    uint8_t partition_count;
} PMbInfo;

static const PMbInfo p_mb_type_info[5]={
{MB_TYPE_16x16|MB_TYPE_P0L0             , 1},
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
195 196
{MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P1L0, 4},
{MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_REF0, 4},
197 198 199 200 201 202 203 204 205 206
};

static const PMbInfo p_sub_mb_type_info[4]={
{MB_TYPE_16x16|MB_TYPE_P0L0             , 1},
{MB_TYPE_16x8 |MB_TYPE_P0L0             , 2},
{MB_TYPE_8x16 |MB_TYPE_P0L0             , 2},
{MB_TYPE_8x8  |MB_TYPE_P0L0             , 4},
};

static const PMbInfo b_mb_type_info[23]={
207
{MB_TYPE_DIRECT2|MB_TYPE_L0L1                                      , 1, },
208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228
{MB_TYPE_16x16|MB_TYPE_P0L0                                       , 1, },
{MB_TYPE_16x16             |MB_TYPE_P0L1                          , 1, },
{MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1                          , 1, },
{MB_TYPE_16x8 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
{MB_TYPE_8x16 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
{MB_TYPE_16x8              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
{MB_TYPE_8x16              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
{MB_TYPE_16x8 |MB_TYPE_P0L0                          |MB_TYPE_P1L1, 2, },
{MB_TYPE_8x16 |MB_TYPE_P0L0                          |MB_TYPE_P1L1, 2, },
{MB_TYPE_16x8              |MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
{MB_TYPE_8x16              |MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
{MB_TYPE_16x8 |MB_TYPE_P0L0             |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
{MB_TYPE_8x16 |MB_TYPE_P0L0             |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
{MB_TYPE_16x8              |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
{MB_TYPE_8x16              |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
229
{MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
230 231 232
};

static const PMbInfo b_sub_mb_type_info[13]={
233
{MB_TYPE_DIRECT2                                                   , 1, },
234 235 236 237 238 239 240 241 242 243 244 245 246 247
{MB_TYPE_16x16|MB_TYPE_P0L0                                       , 1, },
{MB_TYPE_16x16             |MB_TYPE_P0L1                          , 1, },
{MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1                          , 1, },
{MB_TYPE_16x8 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
{MB_TYPE_8x16 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
{MB_TYPE_16x8              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
{MB_TYPE_8x16              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
{MB_TYPE_8x8  |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 4, },
{MB_TYPE_8x8               |MB_TYPE_P0L1             |MB_TYPE_P1L1, 4, },
{MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
};

Michael Niedermayer's avatar
Michael Niedermayer committed
248
static const uint8_t dequant4_coeff_init[6][3]={
249 250 251 252 253 254
  {10,13,16},
  {11,14,18},
  {13,16,20},
  {14,18,23},
  {16,20,25},
  {18,23,29},
255 256
};

Michael Niedermayer's avatar
Michael Niedermayer committed
257
static const uint8_t dequant8_coeff_init_scan[16] = {
258 259
  0,3,4,3, 3,1,5,1, 4,5,2,5, 3,1,5,1
};
Michael Niedermayer's avatar
Michael Niedermayer committed
260
static const uint8_t dequant8_coeff_init[6][6]={
261 262 263 264 265 266 267 268
  {20,18,32,19,25,24},
  {22,19,35,21,28,26},
  {26,23,42,24,33,31},
  {28,25,45,26,35,33},
  {32,28,51,30,40,38},
  {36,32,58,34,46,43},
};

269
#endif /* AVCODEC_H264DATA_H */