| 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 | |
| 34 | #include "libavutil/rational.h" |
| 35 | #include "h264.h" |
| 36 | |
| 37 | static const uint8_t golomb_to_pict_type[5] = { |
| 38 | AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I, |
| 39 | AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI |
| 40 | }; |
| 41 | |
| 42 | static const uint8_t golomb_to_intra4x4_cbp[48] = { |
| 43 | 47, 31, 15, 0, 23, 27, 29, 30, 7, 11, 13, 14, 39, 43, 45, 46, |
| 44 | 16, 3, 5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1, 2, 4, |
| 45 | 8, 17, 18, 20, 24, 6, 9, 22, 25, 32, 33, 34, 36, 40, 38, 41 |
| 46 | }; |
| 47 | |
| 48 | static const uint8_t golomb_to_inter_cbp[48] = { |
| 49 | 0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13, |
| 50 | 14, 6, 9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46, |
| 51 | 17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41 |
| 52 | }; |
| 53 | |
| 54 | static const uint8_t zigzag_scan[16+1] = { |
| 55 | 0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4, |
| 56 | 1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4, |
| 57 | 1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4, |
| 58 | 3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4, |
| 59 | }; |
| 60 | |
| 61 | static const uint8_t chroma_dc_scan[4] = { |
| 62 | (0 + 0 * 2) * 16, (1 + 0 * 2) * 16, |
| 63 | (0 + 1 * 2) * 16, (1 + 1 * 2) * 16, |
| 64 | }; |
| 65 | |
| 66 | static const uint8_t chroma422_dc_scan[8] = { |
| 67 | (0 + 0 * 2) * 16, (0 + 1 * 2) * 16, |
| 68 | (1 + 0 * 2) * 16, (0 + 2 * 2) * 16, |
| 69 | (0 + 3 * 2) * 16, (1 + 1 * 2) * 16, |
| 70 | (1 + 2 * 2) * 16, (1 + 3 * 2) * 16, |
| 71 | }; |
| 72 | |
| 73 | typedef struct IMbInfo { |
| 74 | uint16_t type; |
| 75 | uint8_t pred_mode; |
| 76 | uint8_t cbp; |
| 77 | } IMbInfo; |
| 78 | |
| 79 | static const IMbInfo i_mb_type_info[26] = { |
| 80 | { MB_TYPE_INTRA4x4, -1, -1 }, |
| 81 | { MB_TYPE_INTRA16x16, 2, 0 }, |
| 82 | { MB_TYPE_INTRA16x16, 1, 0 }, |
| 83 | { MB_TYPE_INTRA16x16, 0, 0 }, |
| 84 | { MB_TYPE_INTRA16x16, 3, 0 }, |
| 85 | { MB_TYPE_INTRA16x16, 2, 16 }, |
| 86 | { MB_TYPE_INTRA16x16, 1, 16 }, |
| 87 | { MB_TYPE_INTRA16x16, 0, 16 }, |
| 88 | { MB_TYPE_INTRA16x16, 3, 16 }, |
| 89 | { MB_TYPE_INTRA16x16, 2, 32 }, |
| 90 | { MB_TYPE_INTRA16x16, 1, 32 }, |
| 91 | { MB_TYPE_INTRA16x16, 0, 32 }, |
| 92 | { MB_TYPE_INTRA16x16, 3, 32 }, |
| 93 | { MB_TYPE_INTRA16x16, 2, 15 + 0 }, |
| 94 | { MB_TYPE_INTRA16x16, 1, 15 + 0 }, |
| 95 | { MB_TYPE_INTRA16x16, 0, 15 + 0 }, |
| 96 | { MB_TYPE_INTRA16x16, 3, 15 + 0 }, |
| 97 | { MB_TYPE_INTRA16x16, 2, 15 + 16 }, |
| 98 | { MB_TYPE_INTRA16x16, 1, 15 + 16 }, |
| 99 | { MB_TYPE_INTRA16x16, 0, 15 + 16 }, |
| 100 | { MB_TYPE_INTRA16x16, 3, 15 + 16 }, |
| 101 | { MB_TYPE_INTRA16x16, 2, 15 + 32 }, |
| 102 | { MB_TYPE_INTRA16x16, 1, 15 + 32 }, |
| 103 | { MB_TYPE_INTRA16x16, 0, 15 + 32 }, |
| 104 | { MB_TYPE_INTRA16x16, 3, 15 + 32 }, |
| 105 | { MB_TYPE_INTRA_PCM, -1, -1 }, |
| 106 | }; |
| 107 | |
| 108 | typedef struct PMbInfo { |
| 109 | uint16_t type; |
| 110 | uint8_t partition_count; |
| 111 | } PMbInfo; |
| 112 | |
| 113 | static const PMbInfo p_mb_type_info[5] = { |
| 114 | { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 }, |
| 115 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 }, |
| 116 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 }, |
| 117 | { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4 }, |
| 118 | { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_REF0, 4 }, |
| 119 | }; |
| 120 | |
| 121 | static const PMbInfo p_sub_mb_type_info[4] = { |
| 122 | { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 }, |
| 123 | { MB_TYPE_16x8 | MB_TYPE_P0L0, 2 }, |
| 124 | { MB_TYPE_8x16 | MB_TYPE_P0L0, 2 }, |
| 125 | { MB_TYPE_8x8 | MB_TYPE_P0L0, 4 }, |
| 126 | }; |
| 127 | |
| 128 | static const PMbInfo b_mb_type_info[23] = { |
| 129 | { MB_TYPE_DIRECT2 | MB_TYPE_L0L1, 1, }, |
| 130 | { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, }, |
| 131 | { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, }, |
| 132 | { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, }, |
| 133 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, }, |
| 134 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, }, |
| 135 | { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 136 | { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 137 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, }, |
| 138 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, }, |
| 139 | { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, }, |
| 140 | { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, }, |
| 141 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 142 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 143 | { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 144 | { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 145 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, }, |
| 146 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, }, |
| 147 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 148 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 149 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 150 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 151 | { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, }, |
| 152 | }; |
| 153 | |
| 154 | static const PMbInfo b_sub_mb_type_info[13] = { |
| 155 | { MB_TYPE_DIRECT2, 1, }, |
| 156 | { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, }, |
| 157 | { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, }, |
| 158 | { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, }, |
| 159 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, }, |
| 160 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, }, |
| 161 | { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 162 | { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 163 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 164 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 165 | { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4, }, |
| 166 | { MB_TYPE_8x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 4, }, |
| 167 | { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, }, |
| 168 | }; |
| 169 | |
| 170 | static const AVRational ff_h264_pixel_aspect[17] = { |
| 171 | { 0, 1 }, |
| 172 | { 1, 1 }, |
| 173 | { 12, 11 }, |
| 174 | { 10, 11 }, |
| 175 | { 16, 11 }, |
| 176 | { 40, 33 }, |
| 177 | { 24, 11 }, |
| 178 | { 20, 11 }, |
| 179 | { 32, 11 }, |
| 180 | { 80, 33 }, |
| 181 | { 18, 11 }, |
| 182 | { 15, 11 }, |
| 183 | { 64, 33 }, |
| 184 | { 160, 99 }, |
| 185 | { 4, 3 }, |
| 186 | { 3, 2 }, |
| 187 | { 2, 1 }, |
| 188 | }; |
| 189 | #endif /* AVCODEC_H264DATA_H */ |