defs.h (12358B)
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 bitstream for decoding. 35 * This is mainly needed because some optimized bitstream readers read 36 * 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 mismatch. 45 * If AV_EF_EXPLODE is also set, a mismatching checksum will result in the 46 * 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 (1<<16) ///< consider things that violate the spec, are fast to calculate and have not been seen in the wild as errors 55 #define AV_EF_COMPLIANT (1<<17) ///< consider all spec non compliances as errors 56 #define AV_EF_AGGRESSIVE (1<<18) ///< consider things that a sane encoder/muxer should not do as an error 57 58 #define FF_COMPLIANCE_VERY_STRICT 2 ///< Strictly conform to an older more strict version of the spec or reference software. 59 #define FF_COMPLIANCE_STRICT 1 ///< Strictly conform to all the things in the spec no matter what consequences. 60 #define FF_COMPLIANCE_NORMAL 0 61 #define FF_COMPLIANCE_UNOFFICIAL -1 ///< Allow unofficial extensions 62 #define FF_COMPLIANCE_EXPERIMENTAL -2 ///< Allow nonstandardized experimental things. 63 64 65 #define AV_PROFILE_UNKNOWN -99 66 #define AV_PROFILE_RESERVED -100 67 68 #define AV_PROFILE_AAC_MAIN 0 69 #define AV_PROFILE_AAC_LOW 1 70 #define AV_PROFILE_AAC_SSR 2 71 #define AV_PROFILE_AAC_LTP 3 72 #define AV_PROFILE_AAC_HE 4 73 #define AV_PROFILE_AAC_HE_V2 28 74 #define AV_PROFILE_AAC_LD 22 75 #define AV_PROFILE_AAC_ELD 38 76 #define AV_PROFILE_MPEG2_AAC_LOW 128 77 #define AV_PROFILE_MPEG2_AAC_HE 131 78 79 #define AV_PROFILE_DNXHD 0 80 #define AV_PROFILE_DNXHR_LB 1 81 #define AV_PROFILE_DNXHR_SQ 2 82 #define AV_PROFILE_DNXHR_HQ 3 83 #define AV_PROFILE_DNXHR_HQX 4 84 #define AV_PROFILE_DNXHR_444 5 85 86 #define AV_PROFILE_DTS 20 87 #define AV_PROFILE_DTS_ES 30 88 #define AV_PROFILE_DTS_96_24 40 89 #define AV_PROFILE_DTS_HD_HRA 50 90 #define AV_PROFILE_DTS_HD_MA 60 91 #define AV_PROFILE_DTS_EXPRESS 70 92 #define AV_PROFILE_DTS_HD_MA_X 61 93 #define AV_PROFILE_DTS_HD_MA_X_IMAX 62 94 95 #define AV_PROFILE_EAC3_DDP_ATMOS 30 96 97 #define AV_PROFILE_TRUEHD_ATMOS 30 98 99 #define AV_PROFILE_MPEG2_422 0 100 #define AV_PROFILE_MPEG2_HIGH 1 101 #define AV_PROFILE_MPEG2_SS 2 102 #define AV_PROFILE_MPEG2_SNR_SCALABLE 3 103 #define AV_PROFILE_MPEG2_MAIN 4 104 #define AV_PROFILE_MPEG2_SIMPLE 5 105 106 #define AV_PROFILE_H264_CONSTRAINED (1<<9) // 8+1; constraint_set1_flag 107 #define AV_PROFILE_H264_INTRA (1<<11) // 8+3; constraint_set3_flag 108 109 #define AV_PROFILE_H264_BASELINE 66 110 #define AV_PROFILE_H264_CONSTRAINED_BASELINE (66|AV_PROFILE_H264_CONSTRAINED) 111 #define AV_PROFILE_H264_MAIN 77 112 #define AV_PROFILE_H264_EXTENDED 88 113 #define AV_PROFILE_H264_HIGH 100 114 #define AV_PROFILE_H264_HIGH_10 110 115 #define AV_PROFILE_H264_HIGH_10_INTRA (110|AV_PROFILE_H264_INTRA) 116 #define AV_PROFILE_H264_MULTIVIEW_HIGH 118 117 #define AV_PROFILE_H264_HIGH_422 122 118 #define AV_PROFILE_H264_HIGH_422_INTRA (122|AV_PROFILE_H264_INTRA) 119 #define AV_PROFILE_H264_STEREO_HIGH 128 120 #define AV_PROFILE_H264_HIGH_444 144 121 #define AV_PROFILE_H264_HIGH_444_PREDICTIVE 244 122 #define AV_PROFILE_H264_HIGH_444_INTRA (244|AV_PROFILE_H264_INTRA) 123 #define AV_PROFILE_H264_CAVLC_444 44 124 125 #define AV_PROFILE_VC1_SIMPLE 0 126 #define AV_PROFILE_VC1_MAIN 1 127 #define AV_PROFILE_VC1_COMPLEX 2 128 #define AV_PROFILE_VC1_ADVANCED 3 129 130 #define AV_PROFILE_MPEG4_SIMPLE 0 131 #define AV_PROFILE_MPEG4_SIMPLE_SCALABLE 1 132 #define AV_PROFILE_MPEG4_CORE 2 133 #define AV_PROFILE_MPEG4_MAIN 3 134 #define AV_PROFILE_MPEG4_N_BIT 4 135 #define AV_PROFILE_MPEG4_SCALABLE_TEXTURE 5 136 #define AV_PROFILE_MPEG4_SIMPLE_FACE_ANIMATION 6 137 #define AV_PROFILE_MPEG4_BASIC_ANIMATED_TEXTURE 7 138 #define AV_PROFILE_MPEG4_HYBRID 8 139 #define AV_PROFILE_MPEG4_ADVANCED_REAL_TIME 9 140 #define AV_PROFILE_MPEG4_CORE_SCALABLE 10 141 #define AV_PROFILE_MPEG4_ADVANCED_CODING 11 142 #define AV_PROFILE_MPEG4_ADVANCED_CORE 12 143 #define AV_PROFILE_MPEG4_ADVANCED_SCALABLE_TEXTURE 13 144 #define AV_PROFILE_MPEG4_SIMPLE_STUDIO 14 145 #define AV_PROFILE_MPEG4_ADVANCED_SIMPLE 15 146 147 #define AV_PROFILE_JPEG2000_CSTREAM_RESTRICTION_0 1 148 #define AV_PROFILE_JPEG2000_CSTREAM_RESTRICTION_1 2 149 #define AV_PROFILE_JPEG2000_CSTREAM_NO_RESTRICTION 32768 150 #define AV_PROFILE_JPEG2000_DCINEMA_2K 3 151 #define AV_PROFILE_JPEG2000_DCINEMA_4K 4 152 153 #define AV_PROFILE_VP9_0 0 154 #define AV_PROFILE_VP9_1 1 155 #define AV_PROFILE_VP9_2 2 156 #define AV_PROFILE_VP9_3 3 157 158 #define AV_PROFILE_HEVC_MAIN 1 159 #define AV_PROFILE_HEVC_MAIN_10 2 160 #define AV_PROFILE_HEVC_MAIN_STILL_PICTURE 3 161 #define AV_PROFILE_HEVC_REXT 4 162 #define AV_PROFILE_HEVC_SCC 9 163 164 #define AV_PROFILE_VVC_MAIN_10 1 165 #define AV_PROFILE_VVC_MAIN_10_444 33 166 167 #define AV_PROFILE_AV1_MAIN 0 168 #define AV_PROFILE_AV1_HIGH 1 169 #define AV_PROFILE_AV1_PROFESSIONAL 2 170 171 #define AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT 0xc0 172 #define AV_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT 0xc1 173 #define AV_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT 0xc2 174 #define AV_PROFILE_MJPEG_HUFFMAN_LOSSLESS 0xc3 175 #define AV_PROFILE_MJPEG_JPEG_LS 0xf7 176 177 #define AV_PROFILE_SBC_MSBC 1 178 179 #define AV_PROFILE_PRORES_PROXY 0 180 #define AV_PROFILE_PRORES_LT 1 181 #define AV_PROFILE_PRORES_STANDARD 2 182 #define AV_PROFILE_PRORES_HQ 3 183 #define AV_PROFILE_PRORES_4444 4 184 #define AV_PROFILE_PRORES_XQ 5 185 186 #define AV_PROFILE_ARIB_PROFILE_A 0 187 #define AV_PROFILE_ARIB_PROFILE_C 1 188 189 #define AV_PROFILE_KLVA_SYNC 0 190 #define AV_PROFILE_KLVA_ASYNC 1 191 192 #define AV_PROFILE_EVC_BASELINE 0 193 #define AV_PROFILE_EVC_MAIN 1 194 195 196 #define AV_LEVEL_UNKNOWN -99 197 198 enum AVFieldOrder { 199 AV_FIELD_UNKNOWN, 200 AV_FIELD_PROGRESSIVE, 201 AV_FIELD_TT, ///< Top coded_first, top displayed first 202 AV_FIELD_BB, ///< Bottom coded first, bottom displayed first 203 AV_FIELD_TB, ///< Top coded first, bottom displayed first 204 AV_FIELD_BT, ///< Bottom coded first, top displayed first 205 }; 206 207 /** 208 * @ingroup lavc_decoding 209 */ 210 enum AVDiscard{ 211 /* We leave some space between them for extensions (drop some 212 * keyframes for intra-only or drop just some bidir frames). */ 213 AVDISCARD_NONE =-16, ///< discard nothing 214 AVDISCARD_DEFAULT = 0, ///< discard useless packets like 0 size packets in avi 215 AVDISCARD_NONREF = 8, ///< discard all non reference 216 AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames 217 AVDISCARD_NONINTRA= 24, ///< discard all non intra frames 218 AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes 219 AVDISCARD_ALL = 48, ///< discard all 220 }; 221 222 enum AVAudioServiceType { 223 AV_AUDIO_SERVICE_TYPE_MAIN = 0, 224 AV_AUDIO_SERVICE_TYPE_EFFECTS = 1, 225 AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED = 2, 226 AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED = 3, 227 AV_AUDIO_SERVICE_TYPE_DIALOGUE = 4, 228 AV_AUDIO_SERVICE_TYPE_COMMENTARY = 5, 229 AV_AUDIO_SERVICE_TYPE_EMERGENCY = 6, 230 AV_AUDIO_SERVICE_TYPE_VOICE_OVER = 7, 231 AV_AUDIO_SERVICE_TYPE_KARAOKE = 8, 232 AV_AUDIO_SERVICE_TYPE_NB , ///< Not part of ABI 233 }; 234 235 /** 236 * Pan Scan area. 237 * This specifies the area which should be displayed. 238 * Note there may be multiple such areas for one frame. 239 */ 240 typedef struct AVPanScan { 241 /** 242 * id 243 * - encoding: Set by user. 244 * - decoding: Set by libavcodec. 245 */ 246 int id; 247 248 /** 249 * width and height in 1/16 pel 250 * - encoding: Set by user. 251 * - decoding: Set by libavcodec. 252 */ 253 int width; 254 int height; 255 256 /** 257 * position of the top left corner in 1/16 pel for up to 3 fields/frames 258 * - encoding: Set by user. 259 * - decoding: Set by libavcodec. 260 */ 261 int16_t position[3][2]; 262 } AVPanScan; 263 264 /** 265 * This structure describes the bitrate properties of an encoded bitstream. It 266 * roughly corresponds to a subset the VBV parameters for MPEG-2 or HRD 267 * parameters for H.264/HEVC. 268 */ 269 typedef struct AVCPBProperties { 270 /** 271 * Maximum bitrate of the stream, in bits per second. 272 * Zero if unknown or unspecified. 273 */ 274 int64_t max_bitrate; 275 /** 276 * Minimum bitrate of the stream, in bits per second. 277 * Zero if unknown or unspecified. 278 */ 279 int64_t min_bitrate; 280 /** 281 * Average bitrate of the stream, in bits per second. 282 * Zero if unknown or unspecified. 283 */ 284 int64_t avg_bitrate; 285 286 /** 287 * The size of the buffer to which the ratecontrol is applied, in bits. 288 * Zero if unknown or unspecified. 289 */ 290 int64_t buffer_size; 291 292 /** 293 * The delay between the time the packet this structure is associated with 294 * is received and the time when it should be decoded, in periods of a 27MHz 295 * clock. 296 * 297 * UINT64_MAX when unknown or unspecified. 298 */ 299 uint64_t vbv_delay; 300 } AVCPBProperties; 301 302 /** 303 * Allocate a CPB properties structure and initialize its fields to default 304 * values. 305 * 306 * @param size if non-NULL, the size of the allocated struct will be written 307 * here. This is useful for embedding it in side data. 308 * 309 * @return the newly allocated struct or NULL on failure 310 */ 311 AVCPBProperties *av_cpb_properties_alloc(size_t *size); 312 313 /** 314 * This structure supplies correlation between a packet timestamp and a wall clock 315 * production time. The definition follows the Producer Reference Time ('prft') 316 * as defined in ISO/IEC 14496-12 317 */ 318 typedef struct AVProducerReferenceTime { 319 /** 320 * A UTC timestamp, in microseconds, since Unix epoch (e.g, av_gettime()). 321 */ 322 int64_t wallclock; 323 int flags; 324 } AVProducerReferenceTime; 325 326 /** 327 * Encode extradata length to a buffer. Used by xiph codecs. 328 * 329 * @param s buffer to write to; must be at least (v/255+1) bytes long 330 * @param v size of extradata in bytes 331 * @return number of bytes written to the buffer. 332 */ 333 unsigned int av_xiphlacing(unsigned char *s, unsigned int v); 334 335 #endif // AVCODEC_DEFS_H