ffmpeg / libavcodec / h264data.h @ 2a1f431d
History | View | Annotate | Download (8.83 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 FFmpeg.
|
| 6 |
*
|
| 7 |
* FFmpeg 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 |
* FFmpeg 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 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 |
* 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 |
0,1,2,3 |
| 83 |
}; |
| 84 |
|
| 85 |
// zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
|
| 86 |
static const uint8_t zigzag_scan8x8_cavlc[64]={ |
| 87 |
0+0*8, 1+1*8, 1+2*8, 2+2*8, |
| 88 |
4+1*8, 0+5*8, 3+3*8, 7+0*8, |
| 89 |
3+4*8, 1+7*8, 5+3*8, 6+3*8, |
| 90 |
2+7*8, 6+4*8, 5+6*8, 7+5*8, |
| 91 |
1+0*8, 2+0*8, 0+3*8, 3+1*8, |
| 92 |
3+2*8, 0+6*8, 4+2*8, 6+1*8, |
| 93 |
2+5*8, 2+6*8, 6+2*8, 5+4*8, |
| 94 |
3+7*8, 7+3*8, 4+7*8, 7+6*8, |
| 95 |
0+1*8, 3+0*8, 0+4*8, 4+0*8, |
| 96 |
2+3*8, 1+5*8, 5+1*8, 5+2*8, |
| 97 |
1+6*8, 3+5*8, 7+1*8, 4+5*8, |
| 98 |
4+6*8, 7+4*8, 5+7*8, 6+7*8, |
| 99 |
0+2*8, 2+1*8, 1+3*8, 5+0*8, |
| 100 |
1+4*8, 2+4*8, 6+0*8, 4+3*8, |
| 101 |
0+7*8, 4+4*8, 7+2*8, 3+6*8, |
| 102 |
5+5*8, 6+5*8, 6+6*8, 7+7*8, |
| 103 |
}; |
| 104 |
|
| 105 |
static const uint8_t field_scan8x8[64]={ |
| 106 |
0+0*8, 0+1*8, 0+2*8, 1+0*8, |
| 107 |
1+1*8, 0+3*8, 0+4*8, 1+2*8, |
| 108 |
2+0*8, 1+3*8, 0+5*8, 0+6*8, |
| 109 |
0+7*8, 1+4*8, 2+1*8, 3+0*8, |
| 110 |
2+2*8, 1+5*8, 1+6*8, 1+7*8, |
| 111 |
2+3*8, 3+1*8, 4+0*8, 3+2*8, |
| 112 |
2+4*8, 2+5*8, 2+6*8, 2+7*8, |
| 113 |
3+3*8, 4+1*8, 5+0*8, 4+2*8, |
| 114 |
3+4*8, 3+5*8, 3+6*8, 3+7*8, |
| 115 |
4+3*8, 5+1*8, 6+0*8, 5+2*8, |
| 116 |
4+4*8, 4+5*8, 4+6*8, 4+7*8, |
| 117 |
5+3*8, 6+1*8, 6+2*8, 5+4*8, |
| 118 |
5+5*8, 5+6*8, 5+7*8, 6+3*8, |
| 119 |
7+0*8, 7+1*8, 6+4*8, 6+5*8, |
| 120 |
6+6*8, 6+7*8, 7+2*8, 7+3*8, |
| 121 |
7+4*8, 7+5*8, 7+6*8, 7+7*8, |
| 122 |
}; |
| 123 |
|
| 124 |
static const uint8_t field_scan8x8_cavlc[64]={ |
| 125 |
0+0*8, 1+1*8, 2+0*8, 0+7*8, |
| 126 |
2+2*8, 2+3*8, 2+4*8, 3+3*8, |
| 127 |
3+4*8, 4+3*8, 4+4*8, 5+3*8, |
| 128 |
5+5*8, 7+0*8, 6+6*8, 7+4*8, |
| 129 |
0+1*8, 0+3*8, 1+3*8, 1+4*8, |
| 130 |
1+5*8, 3+1*8, 2+5*8, 4+1*8, |
| 131 |
3+5*8, 5+1*8, 4+5*8, 6+1*8, |
| 132 |
5+6*8, 7+1*8, 6+7*8, 7+5*8, |
| 133 |
0+2*8, 0+4*8, 0+5*8, 2+1*8, |
| 134 |
1+6*8, 4+0*8, 2+6*8, 5+0*8, |
| 135 |
3+6*8, 6+0*8, 4+6*8, 6+2*8, |
| 136 |
5+7*8, 6+4*8, 7+2*8, 7+6*8, |
| 137 |
1+0*8, 1+2*8, 0+6*8, 3+0*8, |
| 138 |
1+7*8, 3+2*8, 2+7*8, 4+2*8, |
| 139 |
3+7*8, 5+2*8, 4+7*8, 5+4*8, |
| 140 |
6+3*8, 6+5*8, 7+3*8, 7+7*8, |
| 141 |
}; |
| 142 |
|
| 143 |
typedef struct IMbInfo{ |
| 144 |
uint16_t type; |
| 145 |
uint8_t pred_mode; |
| 146 |
uint8_t cbp; |
| 147 |
} IMbInfo; |
| 148 |
|
| 149 |
static const IMbInfo i_mb_type_info[26]={ |
| 150 |
{MB_TYPE_INTRA4x4 , -1, -1},
|
| 151 |
{MB_TYPE_INTRA16x16, 2, 0},
|
| 152 |
{MB_TYPE_INTRA16x16, 1, 0},
|
| 153 |
{MB_TYPE_INTRA16x16, 0, 0},
|
| 154 |
{MB_TYPE_INTRA16x16, 3, 0},
|
| 155 |
{MB_TYPE_INTRA16x16, 2, 16},
|
| 156 |
{MB_TYPE_INTRA16x16, 1, 16},
|
| 157 |
{MB_TYPE_INTRA16x16, 0, 16},
|
| 158 |
{MB_TYPE_INTRA16x16, 3, 16},
|
| 159 |
{MB_TYPE_INTRA16x16, 2, 32},
|
| 160 |
{MB_TYPE_INTRA16x16, 1, 32},
|
| 161 |
{MB_TYPE_INTRA16x16, 0, 32},
|
| 162 |
{MB_TYPE_INTRA16x16, 3, 32},
|
| 163 |
{MB_TYPE_INTRA16x16, 2, 15+0},
|
| 164 |
{MB_TYPE_INTRA16x16, 1, 15+0},
|
| 165 |
{MB_TYPE_INTRA16x16, 0, 15+0},
|
| 166 |
{MB_TYPE_INTRA16x16, 3, 15+0},
|
| 167 |
{MB_TYPE_INTRA16x16, 2, 15+16},
|
| 168 |
{MB_TYPE_INTRA16x16, 1, 15+16},
|
| 169 |
{MB_TYPE_INTRA16x16, 0, 15+16},
|
| 170 |
{MB_TYPE_INTRA16x16, 3, 15+16},
|
| 171 |
{MB_TYPE_INTRA16x16, 2, 15+32},
|
| 172 |
{MB_TYPE_INTRA16x16, 1, 15+32},
|
| 173 |
{MB_TYPE_INTRA16x16, 0, 15+32},
|
| 174 |
{MB_TYPE_INTRA16x16, 3, 15+32},
|
| 175 |
{MB_TYPE_INTRA_PCM , -1, -1},
|
| 176 |
}; |
| 177 |
|
| 178 |
typedef struct PMbInfo{ |
| 179 |
uint16_t type; |
| 180 |
uint8_t partition_count; |
| 181 |
} PMbInfo; |
| 182 |
|
| 183 |
static const PMbInfo p_mb_type_info[5]={ |
| 184 |
{MB_TYPE_16x16|MB_TYPE_P0L0 , 1},
|
| 185 |
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
|
| 186 |
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
|
| 187 |
{MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 4},
|
| 188 |
{MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_REF0, 4},
|
| 189 |
}; |
| 190 |
|
| 191 |
static const PMbInfo p_sub_mb_type_info[4]={ |
| 192 |
{MB_TYPE_16x16|MB_TYPE_P0L0 , 1},
|
| 193 |
{MB_TYPE_16x8 |MB_TYPE_P0L0 , 2},
|
| 194 |
{MB_TYPE_8x16 |MB_TYPE_P0L0 , 2},
|
| 195 |
{MB_TYPE_8x8 |MB_TYPE_P0L0 , 4},
|
| 196 |
}; |
| 197 |
|
| 198 |
static const PMbInfo b_mb_type_info[23]={ |
| 199 |
{MB_TYPE_DIRECT2|MB_TYPE_L0L1 , 1, },
|
| 200 |
{MB_TYPE_16x16|MB_TYPE_P0L0 , 1, },
|
| 201 |
{MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, },
|
| 202 |
{MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, },
|
| 203 |
{MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
|
| 204 |
{MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
|
| 205 |
{MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
|
| 206 |
{MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
|
| 207 |
{MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, },
|
| 208 |
{MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, },
|
| 209 |
{MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
|
| 210 |
{MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
|
| 211 |
{MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
|
| 212 |
{MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
|
| 213 |
{MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
|
| 214 |
{MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
|
| 215 |
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
|
| 216 |
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
|
| 217 |
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
|
| 218 |
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
|
| 219 |
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
|
| 220 |
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
|
| 221 |
{MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
|
| 222 |
}; |
| 223 |
|
| 224 |
static const PMbInfo b_sub_mb_type_info[13]={ |
| 225 |
{MB_TYPE_DIRECT2 , 1, },
|
| 226 |
{MB_TYPE_16x16|MB_TYPE_P0L0 , 1, },
|
| 227 |
{MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, },
|
| 228 |
{MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, },
|
| 229 |
{MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
|
| 230 |
{MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
|
| 231 |
{MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
|
| 232 |
{MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
|
| 233 |
{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
|
| 234 |
{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
|
| 235 |
{MB_TYPE_8x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 4, },
|
| 236 |
{MB_TYPE_8x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 4, },
|
| 237 |
{MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
|
| 238 |
}; |
| 239 |
|
| 240 |
static const uint8_t dequant4_coeff_init[6][3]={ |
| 241 |
{10,13,16},
|
| 242 |
{11,14,18},
|
| 243 |
{13,16,20},
|
| 244 |
{14,18,23},
|
| 245 |
{16,20,25},
|
| 246 |
{18,23,29},
|
| 247 |
}; |
| 248 |
|
| 249 |
static const uint8_t dequant8_coeff_init_scan[16] = { |
| 250 |
0,3,4,3, 3,1,5,1, 4,5,2,5, 3,1,5,1 |
| 251 |
}; |
| 252 |
static const uint8_t dequant8_coeff_init[6][6]={ |
| 253 |
{20,18,32,19,25,24},
|
| 254 |
{22,19,35,21,28,26},
|
| 255 |
{26,23,42,24,33,31},
|
| 256 |
{28,25,45,26,35,33},
|
| 257 |
{32,28,51,30,40,38},
|
| 258 |
{36,32,58,34,46,43},
|
| 259 |
}; |
| 260 |
|
| 261 |
#endif /* AVCODEC_H264DATA_H */ |