defs.h (12450B)
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_AAC_USAC 41 77 #define AV_PROFILE_MPEG2_AAC_LOW 128 78 #define AV_PROFILE_MPEG2_AAC_HE 131 79 80 #define AV_PROFILE_DNXHD 0 81 #define AV_PROFILE_DNXHR_LB 1 82 #define AV_PROFILE_DNXHR_SQ 2 83 #define AV_PROFILE_DNXHR_HQ 3 84 #define AV_PROFILE_DNXHR_HQX 4 85 #define AV_PROFILE_DNXHR_444 5 86 87 #define AV_PROFILE_DTS 20 88 #define AV_PROFILE_DTS_ES 30 89 #define AV_PROFILE_DTS_96_24 40 90 #define AV_PROFILE_DTS_HD_HRA 50 91 #define AV_PROFILE_DTS_HD_MA 60 92 #define AV_PROFILE_DTS_EXPRESS 70 93 #define AV_PROFILE_DTS_HD_MA_X 61 94 #define AV_PROFILE_DTS_HD_MA_X_IMAX 62 95 96 #define AV_PROFILE_EAC3_DDP_ATMOS 30 97 98 #define AV_PROFILE_TRUEHD_ATMOS 30 99 100 #define AV_PROFILE_MPEG2_422 0 101 #define AV_PROFILE_MPEG2_HIGH 1 102 #define AV_PROFILE_MPEG2_SS 2 103 #define AV_PROFILE_MPEG2_SNR_SCALABLE 3 104 #define AV_PROFILE_MPEG2_MAIN 4 105 #define AV_PROFILE_MPEG2_SIMPLE 5 106 107 #define AV_PROFILE_H264_CONSTRAINED (1<<9) // 8+1; constraint_set1_flag 108 #define AV_PROFILE_H264_INTRA (1<<11) // 8+3; constraint_set3_flag 109 110 #define AV_PROFILE_H264_BASELINE 66 111 #define AV_PROFILE_H264_CONSTRAINED_BASELINE (66|AV_PROFILE_H264_CONSTRAINED) 112 #define AV_PROFILE_H264_MAIN 77 113 #define AV_PROFILE_H264_EXTENDED 88 114 #define AV_PROFILE_H264_HIGH 100 115 #define AV_PROFILE_H264_HIGH_10 110 116 #define AV_PROFILE_H264_HIGH_10_INTRA (110|AV_PROFILE_H264_INTRA) 117 #define AV_PROFILE_H264_MULTIVIEW_HIGH 118 118 #define AV_PROFILE_H264_HIGH_422 122 119 #define AV_PROFILE_H264_HIGH_422_INTRA (122|AV_PROFILE_H264_INTRA) 120 #define AV_PROFILE_H264_STEREO_HIGH 128 121 #define AV_PROFILE_H264_HIGH_444 144 122 #define AV_PROFILE_H264_HIGH_444_PREDICTIVE 244 123 #define AV_PROFILE_H264_HIGH_444_INTRA (244|AV_PROFILE_H264_INTRA) 124 #define AV_PROFILE_H264_CAVLC_444 44 125 126 #define AV_PROFILE_VC1_SIMPLE 0 127 #define AV_PROFILE_VC1_MAIN 1 128 #define AV_PROFILE_VC1_COMPLEX 2 129 #define AV_PROFILE_VC1_ADVANCED 3 130 131 #define AV_PROFILE_MPEG4_SIMPLE 0 132 #define AV_PROFILE_MPEG4_SIMPLE_SCALABLE 1 133 #define AV_PROFILE_MPEG4_CORE 2 134 #define AV_PROFILE_MPEG4_MAIN 3 135 #define AV_PROFILE_MPEG4_N_BIT 4 136 #define AV_PROFILE_MPEG4_SCALABLE_TEXTURE 5 137 #define AV_PROFILE_MPEG4_SIMPLE_FACE_ANIMATION 6 138 #define AV_PROFILE_MPEG4_BASIC_ANIMATED_TEXTURE 7 139 #define AV_PROFILE_MPEG4_HYBRID 8 140 #define AV_PROFILE_MPEG4_ADVANCED_REAL_TIME 9 141 #define AV_PROFILE_MPEG4_CORE_SCALABLE 10 142 #define AV_PROFILE_MPEG4_ADVANCED_CODING 11 143 #define AV_PROFILE_MPEG4_ADVANCED_CORE 12 144 #define AV_PROFILE_MPEG4_ADVANCED_SCALABLE_TEXTURE 13 145 #define AV_PROFILE_MPEG4_SIMPLE_STUDIO 14 146 #define AV_PROFILE_MPEG4_ADVANCED_SIMPLE 15 147 148 #define AV_PROFILE_JPEG2000_CSTREAM_RESTRICTION_0 1 149 #define AV_PROFILE_JPEG2000_CSTREAM_RESTRICTION_1 2 150 #define AV_PROFILE_JPEG2000_CSTREAM_NO_RESTRICTION 32768 151 #define AV_PROFILE_JPEG2000_DCINEMA_2K 3 152 #define AV_PROFILE_JPEG2000_DCINEMA_4K 4 153 154 #define AV_PROFILE_VP9_0 0 155 #define AV_PROFILE_VP9_1 1 156 #define AV_PROFILE_VP9_2 2 157 #define AV_PROFILE_VP9_3 3 158 159 #define AV_PROFILE_HEVC_MAIN 1 160 #define AV_PROFILE_HEVC_MAIN_10 2 161 #define AV_PROFILE_HEVC_MAIN_STILL_PICTURE 3 162 #define AV_PROFILE_HEVC_REXT 4 163 #define AV_PROFILE_HEVC_MULTIVIEW_MAIN 6 164 #define AV_PROFILE_HEVC_SCC 9 165 166 #define AV_PROFILE_VVC_MAIN_10 1 167 #define AV_PROFILE_VVC_MAIN_10_444 33 168 169 #define AV_PROFILE_AV1_MAIN 0 170 #define AV_PROFILE_AV1_HIGH 1 171 #define AV_PROFILE_AV1_PROFESSIONAL 2 172 173 #define AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT 0xc0 174 #define AV_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT 0xc1 175 #define AV_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT 0xc2 176 #define AV_PROFILE_MJPEG_HUFFMAN_LOSSLESS 0xc3 177 #define AV_PROFILE_MJPEG_JPEG_LS 0xf7 178 179 #define AV_PROFILE_SBC_MSBC 1 180 181 #define AV_PROFILE_PRORES_PROXY 0 182 #define AV_PROFILE_PRORES_LT 1 183 #define AV_PROFILE_PRORES_STANDARD 2 184 #define AV_PROFILE_PRORES_HQ 3 185 #define AV_PROFILE_PRORES_4444 4 186 #define AV_PROFILE_PRORES_XQ 5 187 188 #define AV_PROFILE_ARIB_PROFILE_A 0 189 #define AV_PROFILE_ARIB_PROFILE_C 1 190 191 #define AV_PROFILE_KLVA_SYNC 0 192 #define AV_PROFILE_KLVA_ASYNC 1 193 194 #define AV_PROFILE_EVC_BASELINE 0 195 #define AV_PROFILE_EVC_MAIN 1 196 197 198 #define AV_LEVEL_UNKNOWN -99 199 200 enum AVFieldOrder { 201 AV_FIELD_UNKNOWN, 202 AV_FIELD_PROGRESSIVE, 203 AV_FIELD_TT, ///< Top coded_first, top displayed first 204 AV_FIELD_BB, ///< Bottom coded first, bottom displayed first 205 AV_FIELD_TB, ///< Top coded first, bottom displayed first 206 AV_FIELD_BT, ///< Bottom coded first, top displayed first 207 }; 208 209 /** 210 * @ingroup lavc_decoding 211 */ 212 enum AVDiscard{ 213 /* We leave some space between them for extensions (drop some 214 * keyframes for intra-only or drop just some bidir frames). */ 215 AVDISCARD_NONE =-16, ///< discard nothing 216 AVDISCARD_DEFAULT = 0, ///< discard useless packets like 0 size packets in avi 217 AVDISCARD_NONREF = 8, ///< discard all non reference 218 AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames 219 AVDISCARD_NONINTRA= 24, ///< discard all non intra frames 220 AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes 221 AVDISCARD_ALL = 48, ///< discard all 222 }; 223 224 enum AVAudioServiceType { 225 AV_AUDIO_SERVICE_TYPE_MAIN = 0, 226 AV_AUDIO_SERVICE_TYPE_EFFECTS = 1, 227 AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED = 2, 228 AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED = 3, 229 AV_AUDIO_SERVICE_TYPE_DIALOGUE = 4, 230 AV_AUDIO_SERVICE_TYPE_COMMENTARY = 5, 231 AV_AUDIO_SERVICE_TYPE_EMERGENCY = 6, 232 AV_AUDIO_SERVICE_TYPE_VOICE_OVER = 7, 233 AV_AUDIO_SERVICE_TYPE_KARAOKE = 8, 234 AV_AUDIO_SERVICE_TYPE_NB , ///< Not part of ABI 235 }; 236 237 /** 238 * Pan Scan area. 239 * This specifies the area which should be displayed. 240 * Note there may be multiple such areas for one frame. 241 */ 242 typedef struct AVPanScan { 243 /** 244 * id 245 * - encoding: Set by user. 246 * - decoding: Set by libavcodec. 247 */ 248 int id; 249 250 /** 251 * width and height in 1/16 pel 252 * - encoding: Set by user. 253 * - decoding: Set by libavcodec. 254 */ 255 int width; 256 int height; 257 258 /** 259 * position of the top left corner in 1/16 pel for up to 3 fields/frames 260 * - encoding: Set by user. 261 * - decoding: Set by libavcodec. 262 */ 263 int16_t position[3][2]; 264 } AVPanScan; 265 266 /** 267 * This structure describes the bitrate properties of an encoded bitstream. It 268 * roughly corresponds to a subset the VBV parameters for MPEG-2 or HRD 269 * parameters for H.264/HEVC. 270 */ 271 typedef struct AVCPBProperties { 272 /** 273 * Maximum bitrate of the stream, in bits per second. 274 * Zero if unknown or unspecified. 275 */ 276 int64_t max_bitrate; 277 /** 278 * Minimum bitrate of the stream, in bits per second. 279 * Zero if unknown or unspecified. 280 */ 281 int64_t min_bitrate; 282 /** 283 * Average bitrate of the stream, in bits per second. 284 * Zero if unknown or unspecified. 285 */ 286 int64_t avg_bitrate; 287 288 /** 289 * The size of the buffer to which the ratecontrol is applied, in bits. 290 * Zero if unknown or unspecified. 291 */ 292 int64_t buffer_size; 293 294 /** 295 * The delay between the time the packet this structure is associated with 296 * is received and the time when it should be decoded, in periods of a 27MHz 297 * clock. 298 * 299 * UINT64_MAX when unknown or unspecified. 300 */ 301 uint64_t vbv_delay; 302 } AVCPBProperties; 303 304 /** 305 * Allocate a CPB properties structure and initialize its fields to default 306 * values. 307 * 308 * @param size if non-NULL, the size of the allocated struct will be written 309 * here. This is useful for embedding it in side data. 310 * 311 * @return the newly allocated struct or NULL on failure 312 */ 313 AVCPBProperties *av_cpb_properties_alloc(size_t *size); 314 315 /** 316 * This structure supplies correlation between a packet timestamp and a wall clock 317 * production time. The definition follows the Producer Reference Time ('prft') 318 * as defined in ISO/IEC 14496-12 319 */ 320 typedef struct AVProducerReferenceTime { 321 /** 322 * A UTC timestamp, in microseconds, since Unix epoch (e.g, av_gettime()). 323 */ 324 int64_t wallclock; 325 int flags; 326 } AVProducerReferenceTime; 327 328 /** 329 * Encode extradata length to a buffer. Used by xiph codecs. 330 * 331 * @param s buffer to write to; must be at least (v/255+1) bytes long 332 * @param v size of extradata in bytes 333 * @return number of bytes written to the buffer. 334 */ 335 unsigned int av_xiphlacing(unsigned char *s, unsigned int v); 336 337 #endif // AVCODEC_DEFS_H