/* * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVCODEC_DEFS_H #define AVCODEC_DEFS_H /** * @file * @ingroup libavc * Misc types and constants that do not belong anywhere else. */ #include <stdint.h> #include <stdlib.h> /** * @ingroup lavc_decoding * Required number of additionally allocated bytes at the end of the input bitstream for decoding. * This is mainly needed because some optimized bitstream readers read * 32 or 64 bit at once and could read over the end.<br> * Note: If the first 23 bits of the additional bytes are not 0, then damaged * MPEG bitstreams could cause overread and segfault. */ #define AV_INPUT_BUFFER_PADDING_SIZE 64 /** * Verify checksums embedded in the bitstream (could be of either encoded or * decoded data, depending on the format) and print an error message on mismatch. * If AV_EF_EXPLODE is also set, a mismatching checksum will result in the * decoder/demuxer returning an error. */ #define AV_EF_CRCCHECK (1<<0) #define AV_EF_BITSTREAM (1<<1) ///< detect bitstream specification deviations #define AV_EF_BUFFER (1<<2) ///< detect improper bitstream length #define AV_EF_EXPLODE (1<<3) ///< abort decoding on minor error detection #define AV_EF_IGNORE_ERR (1<<15) ///< ignore errors and continue #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 #define AV_EF_COMPLIANT (1<<17) ///< consider all spec non compliances as errors #define AV_EF_AGGRESSIVE (1<<18) ///< consider things that a sane encoder/muxer should not do as an error #define FF_COMPLIANCE_VERY_STRICT 2 ///< Strictly conform to an older more strict version of the spec or reference software. #define FF_COMPLIANCE_STRICT 1 ///< Strictly conform to all the things in the spec no matter what consequences. #define FF_COMPLIANCE_NORMAL 0 #define FF_COMPLIANCE_UNOFFICIAL -1 ///< Allow unofficial extensions #define FF_COMPLIANCE_EXPERIMENTAL -2 ///< Allow nonstandardized experimental things. #define AV_PROFILE_UNKNOWN -99 #define AV_PROFILE_RESERVED -100 #define AV_PROFILE_AAC_MAIN 0 #define AV_PROFILE_AAC_LOW 1 #define AV_PROFILE_AAC_SSR 2 #define AV_PROFILE_AAC_LTP 3 #define AV_PROFILE_AAC_HE 4 #define AV_PROFILE_AAC_HE_V2 28 #define AV_PROFILE_AAC_LD 22 #define AV_PROFILE_AAC_ELD 38 #define AV_PROFILE_MPEG2_AAC_LOW 128 #define AV_PROFILE_MPEG2_AAC_HE 131 #define AV_PROFILE_DNXHD 0 #define AV_PROFILE_DNXHR_LB 1 #define AV_PROFILE_DNXHR_SQ 2 #define AV_PROFILE_DNXHR_HQ 3 #define AV_PROFILE_DNXHR_HQX 4 #define AV_PROFILE_DNXHR_444 5 #define AV_PROFILE_DTS 20 #define AV_PROFILE_DTS_ES 30 #define AV_PROFILE_DTS_96_24 40 #define AV_PROFILE_DTS_HD_HRA 50 #define AV_PROFILE_DTS_HD_MA 60 #define AV_PROFILE_DTS_EXPRESS 70 #define AV_PROFILE_DTS_HD_MA_X 61 #define AV_PROFILE_DTS_HD_MA_X_IMAX 62 #define AV_PROFILE_EAC3_DDP_ATMOS 30 #define AV_PROFILE_TRUEHD_ATMOS 30 #define AV_PROFILE_MPEG2_422 0 #define AV_PROFILE_MPEG2_HIGH 1 #define AV_PROFILE_MPEG2_SS 2 #define AV_PROFILE_MPEG2_SNR_SCALABLE 3 #define AV_PROFILE_MPEG2_MAIN 4 #define AV_PROFILE_MPEG2_SIMPLE 5 #define AV_PROFILE_H264_CONSTRAINED (1<<9) // 8+1; constraint_set1_flag #define AV_PROFILE_H264_INTRA (1<<11) // 8+3; constraint_set3_flag #define AV_PROFILE_H264_BASELINE 66 #define AV_PROFILE_H264_CONSTRAINED_BASELINE (66|AV_PROFILE_H264_CONSTRAINED) #define AV_PROFILE_H264_MAIN 77 #define AV_PROFILE_H264_EXTENDED 88 #define AV_PROFILE_H264_HIGH 100 #define AV_PROFILE_H264_HIGH_10 110 #define AV_PROFILE_H264_HIGH_10_INTRA (110|AV_PROFILE_H264_INTRA) #define AV_PROFILE_H264_MULTIVIEW_HIGH 118 #define AV_PROFILE_H264_HIGH_422 122 #define AV_PROFILE_H264_HIGH_422_INTRA (122|AV_PROFILE_H264_INTRA) #define AV_PROFILE_H264_STEREO_HIGH 128 #define AV_PROFILE_H264_HIGH_444 144 #define AV_PROFILE_H264_HIGH_444_PREDICTIVE 244 #define AV_PROFILE_H264_HIGH_444_INTRA (244|AV_PROFILE_H264_INTRA) #define AV_PROFILE_H264_CAVLC_444 44 #define AV_PROFILE_VC1_SIMPLE 0 #define AV_PROFILE_VC1_MAIN 1 #define AV_PROFILE_VC1_COMPLEX 2 #define AV_PROFILE_VC1_ADVANCED 3 #define AV_PROFILE_MPEG4_SIMPLE 0 #define AV_PROFILE_MPEG4_SIMPLE_SCALABLE 1 #define AV_PROFILE_MPEG4_CORE 2 #define AV_PROFILE_MPEG4_MAIN 3 #define AV_PROFILE_MPEG4_N_BIT 4 #define AV_PROFILE_MPEG4_SCALABLE_TEXTURE 5 #define AV_PROFILE_MPEG4_SIMPLE_FACE_ANIMATION 6 #define AV_PROFILE_MPEG4_BASIC_ANIMATED_TEXTURE 7 #define AV_PROFILE_MPEG4_HYBRID 8 #define AV_PROFILE_MPEG4_ADVANCED_REAL_TIME 9 #define AV_PROFILE_MPEG4_CORE_SCALABLE 10 #define AV_PROFILE_MPEG4_ADVANCED_CODING 11 #define AV_PROFILE_MPEG4_ADVANCED_CORE 12 #define AV_PROFILE_MPEG4_ADVANCED_SCALABLE_TEXTURE 13 #define AV_PROFILE_MPEG4_SIMPLE_STUDIO 14 #define AV_PROFILE_MPEG4_ADVANCED_SIMPLE 15 #define AV_PROFILE_JPEG2000_CSTREAM_RESTRICTION_0 1 #define AV_PROFILE_JPEG2000_CSTREAM_RESTRICTION_1 2 #define AV_PROFILE_JPEG2000_CSTREAM_NO_RESTRICTION 32768 #define AV_PROFILE_JPEG2000_DCINEMA_2K 3 #define AV_PROFILE_JPEG2000_DCINEMA_4K 4 #define AV_PROFILE_VP9_0 0 #define AV_PROFILE_VP9_1 1 #define AV_PROFILE_VP9_2 2 #define AV_PROFILE_VP9_3 3 #define AV_PROFILE_HEVC_MAIN 1 #define AV_PROFILE_HEVC_MAIN_10 2 #define AV_PROFILE_HEVC_MAIN_STILL_PICTURE 3 #define AV_PROFILE_HEVC_REXT 4 #define AV_PROFILE_HEVC_SCC 9 #define AV_PROFILE_VVC_MAIN_10 1 #define AV_PROFILE_VVC_MAIN_10_444 33 #define AV_PROFILE_AV1_MAIN 0 #define AV_PROFILE_AV1_HIGH 1 #define AV_PROFILE_AV1_PROFESSIONAL 2 #define AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT 0xc0 #define AV_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT 0xc1 #define AV_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT 0xc2 #define AV_PROFILE_MJPEG_HUFFMAN_LOSSLESS 0xc3 #define AV_PROFILE_MJPEG_JPEG_LS 0xf7 #define AV_PROFILE_SBC_MSBC 1 #define AV_PROFILE_PRORES_PROXY 0 #define AV_PROFILE_PRORES_LT 1 #define AV_PROFILE_PRORES_STANDARD 2 #define AV_PROFILE_PRORES_HQ 3 #define AV_PROFILE_PRORES_4444 4 #define AV_PROFILE_PRORES_XQ 5 #define AV_PROFILE_ARIB_PROFILE_A 0 #define AV_PROFILE_ARIB_PROFILE_C 1 #define AV_PROFILE_KLVA_SYNC 0 #define AV_PROFILE_KLVA_ASYNC 1 #define AV_PROFILE_EVC_BASELINE 0 #define AV_PROFILE_EVC_MAIN 1 #define AV_LEVEL_UNKNOWN -99 enum AVFieldOrder { AV_FIELD_UNKNOWN, AV_FIELD_PROGRESSIVE, AV_FIELD_TT, ///< Top coded_first, top displayed first AV_FIELD_BB, ///< Bottom coded first, bottom displayed first AV_FIELD_TB, ///< Top coded first, bottom displayed first AV_FIELD_BT, ///< Bottom coded first, top displayed first }; /** * @ingroup lavc_decoding */ enum AVDiscard{ /* We leave some space between them for extensions (drop some * keyframes for intra-only or drop just some bidir frames). */ AVDISCARD_NONE =-16, ///< discard nothing AVDISCARD_DEFAULT = 0, ///< discard useless packets like 0 size packets in avi AVDISCARD_NONREF = 8, ///< discard all non reference AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames AVDISCARD_NONINTRA= 24, ///< discard all non intra frames AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes AVDISCARD_ALL = 48, ///< discard all }; enum AVAudioServiceType { AV_AUDIO_SERVICE_TYPE_MAIN = 0, AV_AUDIO_SERVICE_TYPE_EFFECTS = 1, AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED = 2, AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED = 3, AV_AUDIO_SERVICE_TYPE_DIALOGUE = 4, AV_AUDIO_SERVICE_TYPE_COMMENTARY = 5, AV_AUDIO_SERVICE_TYPE_EMERGENCY = 6, AV_AUDIO_SERVICE_TYPE_VOICE_OVER = 7, AV_AUDIO_SERVICE_TYPE_KARAOKE = 8, AV_AUDIO_SERVICE_TYPE_NB , ///< Not part of ABI }; /** * Pan Scan area. * This specifies the area which should be displayed. * Note there may be multiple such areas for one frame. */ typedef struct AVPanScan { /** * id * - encoding: Set by user. * - decoding: Set by libavcodec. */ int id; /** * width and height in 1/16 pel * - encoding: Set by user. * - decoding: Set by libavcodec. */ int width; int height; /** * position of the top left corner in 1/16 pel for up to 3 fields/frames * - encoding: Set by user. * - decoding: Set by libavcodec. */ int16_t position[3][2]; } AVPanScan; /** * This structure describes the bitrate properties of an encoded bitstream. It * roughly corresponds to a subset the VBV parameters for MPEG-2 or HRD * parameters for H.264/HEVC. */ typedef struct AVCPBProperties { /** * Maximum bitrate of the stream, in bits per second. * Zero if unknown or unspecified. */ int64_t max_bitrate; /** * Minimum bitrate of the stream, in bits per second. * Zero if unknown or unspecified. */ int64_t min_bitrate; /** * Average bitrate of the stream, in bits per second. * Zero if unknown or unspecified. */ int64_t avg_bitrate; /** * The size of the buffer to which the ratecontrol is applied, in bits. * Zero if unknown or unspecified. */ int64_t buffer_size; /** * The delay between the time the packet this structure is associated with * is received and the time when it should be decoded, in periods of a 27MHz * clock. * * UINT64_MAX when unknown or unspecified. */ uint64_t vbv_delay; } AVCPBProperties; /** * Allocate a CPB properties structure and initialize its fields to default * values. * * @param size if non-NULL, the size of the allocated struct will be written * here. This is useful for embedding it in side data. * * @return the newly allocated struct or NULL on failure */ AVCPBProperties *av_cpb_properties_alloc(size_t *size); /** * This structure supplies correlation between a packet timestamp and a wall clock * production time. The definition follows the Producer Reference Time ('prft') * as defined in ISO/IEC 14496-12 */ typedef struct AVProducerReferenceTime { /** * A UTC timestamp, in microseconds, since Unix epoch (e.g, av_gettime()). */ int64_t wallclock; int flags; } AVProducerReferenceTime; /** * Encode extradata length to a buffer. Used by xiph codecs. * * @param s buffer to write to; must be at least (v/255+1) bytes long * @param v size of extradata in bytes * @return number of bytes written to the buffer. */ unsigned int av_xiphlacing(unsigned char *s, unsigned int v); #endif // AVCODEC_DEFS_H