blob: a4c6d93cf0b5bd64089d9928f816f1305a5876c8
| 1 | /* |
| 2 | * H.26L/H.264/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 | * H.264 / AVC / MPEG-4 part10 codec data table |
| 26 | * @author Michael Niedermayer <michaelni@gmx.at> |
| 27 | */ |
| 28 | |
| 29 | #include <stdint.h> |
| 30 | |
| 31 | #include "libavutil/avutil.h" |
| 32 | |
| 33 | #include "avcodec.h" |
| 34 | #include "h264dec.h" |
| 35 | #include "h264data.h" |
| 36 | |
| 37 | const uint8_t ff_h264_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 | const uint8_t ff_h264_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 | const uint8_t ff_h264_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 | const uint8_t ff_h264_chroma_dc_scan[4] = { |
| 55 | (0 + 0 * 2) * 16, (1 + 0 * 2) * 16, |
| 56 | (0 + 1 * 2) * 16, (1 + 1 * 2) * 16, |
| 57 | }; |
| 58 | |
| 59 | const uint8_t ff_h264_chroma422_dc_scan[8] = { |
| 60 | (0 + 0 * 2) * 16, (0 + 1 * 2) * 16, |
| 61 | (1 + 0 * 2) * 16, (0 + 2 * 2) * 16, |
| 62 | (0 + 3 * 2) * 16, (1 + 1 * 2) * 16, |
| 63 | (1 + 2 * 2) * 16, (1 + 3 * 2) * 16, |
| 64 | }; |
| 65 | |
| 66 | const IMbInfo ff_h264_i_mb_type_info[26] = { |
| 67 | { MB_TYPE_INTRA4x4, -1, -1 }, |
| 68 | { MB_TYPE_INTRA16x16, 2, 0 }, |
| 69 | { MB_TYPE_INTRA16x16, 1, 0 }, |
| 70 | { MB_TYPE_INTRA16x16, 0, 0 }, |
| 71 | { MB_TYPE_INTRA16x16, 3, 0 }, |
| 72 | { MB_TYPE_INTRA16x16, 2, 16 }, |
| 73 | { MB_TYPE_INTRA16x16, 1, 16 }, |
| 74 | { MB_TYPE_INTRA16x16, 0, 16 }, |
| 75 | { MB_TYPE_INTRA16x16, 3, 16 }, |
| 76 | { MB_TYPE_INTRA16x16, 2, 32 }, |
| 77 | { MB_TYPE_INTRA16x16, 1, 32 }, |
| 78 | { MB_TYPE_INTRA16x16, 0, 32 }, |
| 79 | { MB_TYPE_INTRA16x16, 3, 32 }, |
| 80 | { MB_TYPE_INTRA16x16, 2, 15 + 0 }, |
| 81 | { MB_TYPE_INTRA16x16, 1, 15 + 0 }, |
| 82 | { MB_TYPE_INTRA16x16, 0, 15 + 0 }, |
| 83 | { MB_TYPE_INTRA16x16, 3, 15 + 0 }, |
| 84 | { MB_TYPE_INTRA16x16, 2, 15 + 16 }, |
| 85 | { MB_TYPE_INTRA16x16, 1, 15 + 16 }, |
| 86 | { MB_TYPE_INTRA16x16, 0, 15 + 16 }, |
| 87 | { MB_TYPE_INTRA16x16, 3, 15 + 16 }, |
| 88 | { MB_TYPE_INTRA16x16, 2, 15 + 32 }, |
| 89 | { MB_TYPE_INTRA16x16, 1, 15 + 32 }, |
| 90 | { MB_TYPE_INTRA16x16, 0, 15 + 32 }, |
| 91 | { MB_TYPE_INTRA16x16, 3, 15 + 32 }, |
| 92 | { MB_TYPE_INTRA_PCM, -1, -1 }, |
| 93 | }; |
| 94 | |
| 95 | const PMbInfo ff_h264_p_mb_type_info[5] = { |
| 96 | { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 }, |
| 97 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 }, |
| 98 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 }, |
| 99 | { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4 }, |
| 100 | { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_REF0, 4 }, |
| 101 | }; |
| 102 | |
| 103 | const PMbInfo ff_h264_p_sub_mb_type_info[4] = { |
| 104 | { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 }, |
| 105 | { MB_TYPE_16x8 | MB_TYPE_P0L0, 2 }, |
| 106 | { MB_TYPE_8x16 | MB_TYPE_P0L0, 2 }, |
| 107 | { MB_TYPE_8x8 | MB_TYPE_P0L0, 4 }, |
| 108 | }; |
| 109 | |
| 110 | const PMbInfo ff_h264_b_mb_type_info[23] = { |
| 111 | { MB_TYPE_DIRECT2 | MB_TYPE_L0L1, 1, }, |
| 112 | { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, }, |
| 113 | { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, }, |
| 114 | { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 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_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 118 | { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 119 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, }, |
| 120 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, }, |
| 121 | { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, }, |
| 122 | { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, }, |
| 123 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 124 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 125 | { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 126 | { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 127 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, }, |
| 128 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, }, |
| 129 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 130 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 131 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 132 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 133 | { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, }, |
| 134 | }; |
| 135 | |
| 136 | const PMbInfo ff_h264_b_sub_mb_type_info[13] = { |
| 137 | { MB_TYPE_DIRECT2, 1, }, |
| 138 | { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, }, |
| 139 | { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, }, |
| 140 | { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, }, |
| 141 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, }, |
| 142 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, }, |
| 143 | { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 144 | { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, }, |
| 145 | { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 146 | { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, }, |
| 147 | { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4, }, |
| 148 | { MB_TYPE_8x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 4, }, |
| 149 | { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, }, |
| 150 | }; |
| 151 | |
| 152 | const uint8_t ff_h264_dequant4_coeff_init[6][3] = { |
| 153 | { 10, 13, 16 }, |
| 154 | { 11, 14, 18 }, |
| 155 | { 13, 16, 20 }, |
| 156 | { 14, 18, 23 }, |
| 157 | { 16, 20, 25 }, |
| 158 | { 18, 23, 29 }, |
| 159 | }; |
| 160 | |
| 161 | const uint8_t ff_h264_dequant8_coeff_init_scan[16] = { |
| 162 | 0, 3, 4, 3, 3, 1, 5, 1, 4, 5, 2, 5, 3, 1, 5, 1 |
| 163 | }; |
| 164 | |
| 165 | const uint8_t ff_h264_dequant8_coeff_init[6][6] = { |
| 166 | { 20, 18, 32, 19, 25, 24 }, |
| 167 | { 22, 19, 35, 21, 28, 26 }, |
| 168 | { 26, 23, 42, 24, 33, 31 }, |
| 169 | { 28, 25, 45, 26, 35, 33 }, |
| 170 | { 32, 28, 51, 30, 40, 38 }, |
| 171 | { 36, 32, 58, 34, 46, 43 }, |
| 172 | }; |
| 173 | |
| 174 | const uint8_t ff_h264_quant_rem6[QP_MAX_NUM + 1] = { |
| 175 | 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, |
| 176 | 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, |
| 177 | 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, |
| 178 | 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, |
| 179 | 0, 1, 2, 3, |
| 180 | }; |
| 181 | |
| 182 | const uint8_t ff_h264_quant_div6[QP_MAX_NUM + 1] = { |
| 183 | 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, |
| 184 | 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, |
| 185 | 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, |
| 186 | 10,10,10,11,11,11,11,11,11,12,12,12,12,12,12,13,13,13, 13, 13, 13, |
| 187 | 14,14,14,14, |
| 188 | }; |
| 189 | |
| 190 | #define QP(qP, depth) ((qP) + 6 * ((depth) - 8)) |
| 191 | |
| 192 | #define CHROMA_QP_TABLE_END(d) \ |
| 193 | QP(0, d), QP(1, d), QP(2, d), QP(3, d), QP(4, d), QP(5, d), \ |
| 194 | QP(6, d), QP(7, d), QP(8, d), QP(9, d), QP(10, d), QP(11, d), \ |
| 195 | QP(12, d), QP(13, d), QP(14, d), QP(15, d), QP(16, d), QP(17, d), \ |
| 196 | QP(18, d), QP(19, d), QP(20, d), QP(21, d), QP(22, d), QP(23, d), \ |
| 197 | QP(24, d), QP(25, d), QP(26, d), QP(27, d), QP(28, d), QP(29, d), \ |
| 198 | QP(29, d), QP(30, d), QP(31, d), QP(32, d), QP(32, d), QP(33, d), \ |
| 199 | QP(34, d), QP(34, d), QP(35, d), QP(35, d), QP(36, d), QP(36, d), \ |
| 200 | QP(37, d), QP(37, d), QP(37, d), QP(38, d), QP(38, d), QP(38, d), \ |
| 201 | QP(39, d), QP(39, d), QP(39, d), QP(39, d) |
| 202 | |
| 203 | const uint8_t ff_h264_chroma_qp[7][QP_MAX_NUM + 1] = { |
| 204 | { CHROMA_QP_TABLE_END(8) }, |
| 205 | { 0, 1, 2, 3, 4, 5, |
| 206 | CHROMA_QP_TABLE_END(9) }, |
| 207 | { 0, 1, 2, 3, 4, 5, |
| 208 | 6, 7, 8, 9, 10, 11, |
| 209 | CHROMA_QP_TABLE_END(10) }, |
| 210 | { 0, 1, 2, 3, 4, 5, |
| 211 | 6, 7, 8, 9, 10, 11, |
| 212 | 12,13,14,15, 16, 17, |
| 213 | CHROMA_QP_TABLE_END(11) }, |
| 214 | { 0, 1, 2, 3, 4, 5, |
| 215 | 6, 7, 8, 9, 10, 11, |
| 216 | 12,13,14,15, 16, 17, |
| 217 | 18,19,20,21, 22, 23, |
| 218 | CHROMA_QP_TABLE_END(12) }, |
| 219 | { 0, 1, 2, 3, 4, 5, |
| 220 | 6, 7, 8, 9, 10, 11, |
| 221 | 12,13,14,15, 16, 17, |
| 222 | 18,19,20,21, 22, 23, |
| 223 | 24,25,26,27, 28, 29, |
| 224 | CHROMA_QP_TABLE_END(13) }, |
| 225 | { 0, 1, 2, 3, 4, 5, |
| 226 | 6, 7, 8, 9, 10, 11, |
| 227 | 12,13,14,15, 16, 17, |
| 228 | 18,19,20,21, 22, 23, |
| 229 | 24,25,26,27, 28, 29, |
| 230 | 30,31,32,33, 34, 35, |
| 231 | CHROMA_QP_TABLE_END(14) }, |
| 232 | }; |
| 233 |