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 37static 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 42static 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 48static 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 54static 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 61static 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 66static 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 73typedef struct IMbInfo { 74 uint16_t type; 75 uint8_t pred_mode; 76 uint8_t cbp; 77} IMbInfo; 78 79static 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 108typedef struct PMbInfo { 109 uint16_t type; 110 uint8_t partition_count; 111} PMbInfo; 112 113static 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 121static 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 128static 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 154static 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#endif /* AVCODEC_H264DATA_H */ 171