defs.h (11070B)
1 /* 2 * 3 * This file is part of FFmpeg. 4 * 5 * FFmpeg is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2.1 of the License, or (at your option) any later version. 9 * 10 * FFmpeg is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with FFmpeg; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 #ifndef AVCODEC_DEFS_H 21 #define AVCODEC_DEFS_H 22 23 /** 24 * @file 25 * @ingroup libavc 26 * Misc types and constants that do not belong anywhere else. 27 */ 28 29 #include <stdint.h> 30 #include <stdlib.h> 31 32 /** 33 * @ingroup lavc_decoding 34 * Required number of additionally allocated bytes at the end of the input 35 * bitstream for decoding. This is mainly needed because some optimized 36 * bitstream readers read 32 or 64 bit at once and could read over the end.<br> 37 * Note: If the first 23 bits of the additional bytes are not 0, then damaged 38 * MPEG bitstreams could cause overread and segfault. 39 */ 40 #define AV_INPUT_BUFFER_PADDING_SIZE 64 41 42 /** 43 * Verify checksums embedded in the bitstream (could be of either encoded or 44 * decoded data, depending on the format) and print an error message on 45 * mismatch. If AV_EF_EXPLODE is also set, a mismatching checksum will result in 46 * the decoder/demuxer returning an error. 47 */ 48 #define AV_EF_CRCCHECK (1 << 0) 49 #define AV_EF_BITSTREAM (1 << 1) ///< detect bitstream specification deviations 50 #define AV_EF_BUFFER (1 << 2) ///< detect improper bitstream length 51 #define AV_EF_EXPLODE (1 << 3) ///< abort decoding on minor error detection 52 53 #define AV_EF_IGNORE_ERR (1 << 15) ///< ignore errors and continue 54 #define AV_EF_CAREFUL \ 55 (1 << 16) ///< consider things that violate the spec, are fast to calculate 56 ///< and have not been seen in the wild as errors 57 #define AV_EF_COMPLIANT \ 58 (1 << 17) ///< consider all spec non compliances as errors 59 #define AV_EF_AGGRESSIVE \ 60 (1 << 18) ///< consider things that a sane encoder/muxer should not do as an 61 ///< error 62 63 #define FF_COMPLIANCE_VERY_STRICT \ 64 2 ///< Strictly conform to an older more strict version of the spec or 65 ///< reference software. 66 #define FF_COMPLIANCE_STRICT \ 67 1 ///< Strictly conform to all the things in the spec no matter what 68 ///< consequences. 69 #define FF_COMPLIANCE_NORMAL 0 70 #define FF_COMPLIANCE_UNOFFICIAL -1 ///< Allow unofficial extensions 71 #define FF_COMPLIANCE_EXPERIMENTAL \ 72 -2 ///< Allow nonstandardized experimental things. 73 74 #define AV_PROFILE_UNKNOWN -99 75 #define AV_PROFILE_RESERVED -100 76 77 #define AV_PROFILE_AAC_MAIN 0 78 #define AV_PROFILE_AAC_LOW 1 79 #define AV_PROFILE_AAC_SSR 2 80 #define AV_PROFILE_AAC_LTP 3 81 #define AV_PROFILE_AAC_HE 4 82 #define AV_PROFILE_AAC_HE_V2 28 83 #define AV_PROFILE_AAC_LD 22 84 #define AV_PROFILE_AAC_ELD 38 85 #define AV_PROFILE_MPEG2_AAC_LOW 128 86 #define AV_PROFILE_MPEG2_AAC_HE 131 87 88 #define AV_PROFILE_DNXHD 0 89 #define AV_PROFILE_DNXHR_LB 1 90 #define AV_PROFILE_DNXHR_SQ 2 91 #define AV_PROFILE_DNXHR_HQ 3 92 #define AV_PROFILE_DNXHR_HQX 4 93 #define AV_PROFILE_DNXHR_444 5 94 95 #define AV_PROFILE_DTS 20 96 #define AV_PROFILE_DTS_ES 30 97 #define AV_PROFILE_DTS_96_24 40 98 #define AV_PROFILE_DTS_HD_HRA 50 99 #define AV_PROFILE_DTS_HD_MA 60 100 #define AV_PROFILE_DTS_EXPRESS 70 101 #define AV_PROFILE_DTS_HD_MA_X 61 102 #define AV_PROFILE_DTS_HD_MA_X_IMAX 62 103 104 #define AV_PROFILE_EAC3_DDP_ATMOS 30 105 106 #define AV_PROFILE_TRUEHD_ATMOS 30 107 108 #define AV_PROFILE_MPEG2_422 0 109 #define AV_PROFILE_MPEG2_HIGH 1 110 #define AV_PROFILE_MPEG2_SS 2 111 #define AV_PROFILE_MPEG2_SNR_SCALABLE 3 112 #define AV_PROFILE_MPEG2_MAIN 4 113 #define AV_PROFILE_MPEG2_SIMPLE 5 114 115 #define AV_PROFILE_H264_CONSTRAINED (1 << 9) // 8+1; constraint_set1_flag 116 #define AV_PROFILE_H264_INTRA (1 << 11) // 8+3; constraint_set3_flag 117 118 #define AV_PROFILE_H264_BASELINE 66 119 #define AV_PROFILE_H264_CONSTRAINED_BASELINE (66 | AV_PROFILE_H264_CONSTRAINED) 120 #define AV_PROFILE_H264_MAIN 77 121 #define AV_PROFILE_H264_EXTENDED 88 122 #define AV_PROFILE_H264_HIGH 100 123 #define AV_PROFILE_H264_HIGH_10 110 124 #define AV_PROFILE_H264_HIGH_10_INTRA (110 | AV_PROFILE_H264_INTRA) 125 #define AV_PROFILE_H264_MULTIVIEW_HIGH 118 126 #define AV_PROFILE_H264_HIGH_422 122 127 #define AV_PROFILE_H264_HIGH_422_INTRA (122 | AV_PROFILE_H264_INTRA) 128 #define AV_PROFILE_H264_STEREO_HIGH 128 129 #define AV_PROFILE_H264_HIGH_444 144 130 #define AV_PROFILE_H264_HIGH_444_PREDICTIVE 244 131 #define AV_PROFILE_H264_HIGH_444_INTRA (244 | AV_PROFILE_H264_INTRA) 132 #define AV_PROFILE_H264_CAVLC_444 44 133 134 #define AV_PROFILE_VC1_SIMPLE 0 135 #define AV_PROFILE_VC1_MAIN 1 136 #define AV_PROFILE_VC1_COMPLEX 2 137 #define AV_PROFILE_VC1_ADVANCED 3 138 139 #define AV_PROFILE_MPEG4_SIMPLE 0 140 #define AV_PROFILE_MPEG4_SIMPLE_SCALABLE 1 141 #define AV_PROFILE_MPEG4_CORE 2 142 #define AV_PROFILE_MPEG4_MAIN 3 143 #define AV_PROFILE_MPEG4_N_BIT 4 144 #define AV_PROFILE_MPEG4_SCALABLE_TEXTURE 5 145 #define AV_PROFILE_MPEG4_SIMPLE_FACE_ANIMATION 6 146 #define AV_PROFILE_MPEG4_BASIC_ANIMATED_TEXTURE 7 147 #define AV_PROFILE_MPEG4_HYBRID 8 148 #define AV_PROFILE_MPEG4_ADVANCED_REAL_TIME 9 149 #define AV_PROFILE_MPEG4_CORE_SCALABLE 10 150 #define AV_PROFILE_MPEG4_ADVANCED_CODING 11 151 #define AV_PROFILE_MPEG4_ADVANCED_CORE 12 152 #define AV_PROFILE_MPEG4_ADVANCED_SCALABLE_TEXTURE 13 153 #define AV_PROFILE_MPEG4_SIMPLE_STUDIO 14 154 #define AV_PROFILE_MPEG4_ADVANCED_SIMPLE 15 155 156 #define AV_PROFILE_JPEG2000_CSTREAM_RESTRICTION_0 1 157 #define AV_PROFILE_JPEG2000_CSTREAM_RESTRICTION_1 2 158 #define AV_PROFILE_JPEG2000_CSTREAM_NO_RESTRICTION 32768 159 #define AV_PROFILE_JPEG2000_DCINEMA_2K 3 160 #define AV_PROFILE_JPEG2000_DCINEMA_4K 4 161 162 #define AV_PROFILE_VP9_0 0 163 #define AV_PROFILE_VP9_1 1 164 #define AV_PROFILE_VP9_2 2 165 #define AV_PROFILE_VP9_3 3 166 167 #define AV_PROFILE_HEVC_MAIN 1 168 #define AV_PROFILE_HEVC_MAIN_10 2 169 #define AV_PROFILE_HEVC_MAIN_STILL_PICTURE 3 170 #define AV_PROFILE_HEVC_REXT 4 171 #define AV_PROFILE_HEVC_SCC 9 172 173 #define AV_PROFILE_VVC_MAIN_10 1 174 #define AV_PROFILE_VVC_MAIN_10_444 33 175 176 #define AV_PROFILE_AV1_MAIN 0 177 #define AV_PROFILE_AV1_HIGH 1 178 #define AV_PROFILE_AV1_PROFESSIONAL 2 179 180 #define AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT 0xc0 181 #define AV_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT 0xc1 182 #define AV_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT 0xc2 183 #define AV_PROFILE_MJPEG_HUFFMAN_LOSSLESS 0xc3 184 #define AV_PROFILE_MJPEG_JPEG_LS 0xf7 185 186 #define AV_PROFILE_SBC_MSBC 1 187 188 #define AV_PROFILE_PRORES_PROXY 0 189 #define AV_PROFILE_PRORES_LT 1 190 #define AV_PROFILE_PRORES_STANDARD 2 191 #define AV_PROFILE_PRORES_HQ 3 192 #define AV_PROFILE_PRORES_4444 4 193 #define AV_PROFILE_PRORES_XQ 5 194 195 #define AV_PROFILE_ARIB_PROFILE_A 0 196 #define AV_PROFILE_ARIB_PROFILE_C 1 197 198 #define AV_PROFILE_KLVA_SYNC 0 199 #define AV_PROFILE_KLVA_ASYNC 1 200 201 #define AV_PROFILE_EVC_BASELINE 0 202 #define AV_PROFILE_EVC_MAIN 1 203 204 #define AV_LEVEL_UNKNOWN -99 205 206 enum AVFieldOrder { 207 AV_FIELD_UNKNOWN, 208 AV_FIELD_PROGRESSIVE, 209 AV_FIELD_TT, ///< Top coded_first, top displayed first 210 AV_FIELD_BB, ///< Bottom coded first, bottom displayed first 211 AV_FIELD_TB, ///< Top coded first, bottom displayed first 212 AV_FIELD_BT, ///< Bottom coded first, top displayed first 213 }; 214 215 /** 216 * @ingroup lavc_decoding 217 */ 218 enum AVDiscard { 219 /* We leave some space between them for extensions (drop some 220 * keyframes for intra-only or drop just some bidir frames). */ 221 AVDISCARD_NONE = -16, ///< discard nothing 222 AVDISCARD_DEFAULT = 223 0, ///< discard useless packets like 0 size packets in avi 224 AVDISCARD_NONREF = 8, ///< discard all non reference 225 AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames 226 AVDISCARD_NONINTRA = 24, ///< discard all non intra frames 227 AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes 228 AVDISCARD_ALL = 48, ///< discard all 229 }; 230 231 enum AVAudioServiceType { 232 AV_AUDIO_SERVICE_TYPE_MAIN = 0, 233 AV_AUDIO_SERVICE_TYPE_EFFECTS = 1, 234 AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED = 2, 235 AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED = 3, 236 AV_AUDIO_SERVICE_TYPE_DIALOGUE = 4, 237 AV_AUDIO_SERVICE_TYPE_COMMENTARY = 5, 238 AV_AUDIO_SERVICE_TYPE_EMERGENCY = 6, 239 AV_AUDIO_SERVICE_TYPE_VOICE_OVER = 7, 240 AV_AUDIO_SERVICE_TYPE_KARAOKE = 8, 241 AV_AUDIO_SERVICE_TYPE_NB, ///< Not part of ABI 242 }; 243 244 /** 245 * Pan Scan area. 246 * This specifies the area which should be displayed. 247 * Note there may be multiple such areas for one frame. 248 */ 249 typedef struct AVPanScan { 250 /** 251 * id 252 * - encoding: Set by user. 253 * - decoding: Set by libavcodec. 254 */ 255 int id; 256 257 /** 258 * width and height in 1/16 pel 259 * - encoding: Set by user. 260 * - decoding: Set by libavcodec. 261 */ 262 int width; 263 int height; 264 265 /** 266 * position of the top left corner in 1/16 pel for up to 3 fields/frames 267 * - encoding: Set by user. 268 * - decoding: Set by libavcodec. 269 */ 270 int16_t position[3][2]; 271 } AVPanScan; 272 273 /** 274 * This structure describes the bitrate properties of an encoded bitstream. It 275 * roughly corresponds to a subset the VBV parameters for MPEG-2 or HRD 276 * parameters for H.264/HEVC. 277 */ 278 typedef struct AVCPBProperties { 279 /** 280 * Maximum bitrate of the stream, in bits per second. 281 * Zero if unknown or unspecified. 282 */ 283 int64_t max_bitrate; 284 /** 285 * Minimum bitrate of the stream, in bits per second. 286 * Zero if unknown or unspecified. 287 */ 288 int64_t min_bitrate; 289 /** 290 * Average bitrate of the stream, in bits per second. 291 * Zero if unknown or unspecified. 292 */ 293 int64_t avg_bitrate; 294 295 /** 296 * The size of the buffer to which the ratecontrol is applied, in bits. 297 * Zero if unknown or unspecified. 298 */ 299 int64_t buffer_size; 300 301 /** 302 * The delay between the time the packet this structure is associated with 303 * is received and the time when it should be decoded, in periods of a 27MHz 304 * clock. 305 * 306 * UINT64_MAX when unknown or unspecified. 307 */ 308 uint64_t vbv_delay; 309 } AVCPBProperties; 310 311 /** 312 * Allocate a CPB properties structure and initialize its fields to default 313 * values. 314 * 315 * @param size if non-NULL, the size of the allocated struct will be written 316 * here. This is useful for embedding it in side data. 317 * 318 * @return the newly allocated struct or NULL on failure 319 */ 320 AVCPBProperties* av_cpb_properties_alloc(size_t* size); 321 322 /** 323 * This structure supplies correlation between a packet timestamp and a wall 324 * clock production time. The definition follows the Producer Reference Time 325 * ('prft') as defined in ISO/IEC 14496-12 326 */ 327 typedef struct AVProducerReferenceTime { 328 /** 329 * A UTC timestamp, in microseconds, since Unix epoch (e.g, av_gettime()). 330 */ 331 int64_t wallclock; 332 int flags; 333 } AVProducerReferenceTime; 334 335 /** 336 * Encode extradata length to a buffer. Used by xiph codecs. 337 * 338 * @param s buffer to write to; must be at least (v/255+1) bytes long 339 * @param v size of extradata in bytes 340 * @return number of bytes written to the buffer. 341 */ 342 unsigned int av_xiphlacing(unsigned char* s, unsigned int v); 343 344 #endif // AVCODEC_DEFS_H