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https://github.com/FFmpeg/FFmpeg.git
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ea14e8bc30
It is also used by AVCodecContext. Reviewed-by: James Almer <jamrial@gmail.com> Reviewed-by: Anton Khirnov <anton@khirnov.net> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
336 lines
12 KiB
C
336 lines
12 KiB
C
/*
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_DEFS_H
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#define AVCODEC_DEFS_H
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/**
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* @file
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* @ingroup libavc
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* Misc types and constants that do not belong anywhere else.
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*/
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#include <stdint.h>
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#include <stdlib.h>
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/**
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* @ingroup lavc_decoding
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* Required number of additionally allocated bytes at the end of the input bitstream for decoding.
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* This is mainly needed because some optimized bitstream readers read
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* 32 or 64 bit at once and could read over the end.<br>
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* Note: If the first 23 bits of the additional bytes are not 0, then damaged
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* MPEG bitstreams could cause overread and segfault.
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*/
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#define AV_INPUT_BUFFER_PADDING_SIZE 64
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/**
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* Verify checksums embedded in the bitstream (could be of either encoded or
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* decoded data, depending on the format) and print an error message on mismatch.
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* If AV_EF_EXPLODE is also set, a mismatching checksum will result in the
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* decoder/demuxer returning an error.
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*/
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#define AV_EF_CRCCHECK (1<<0)
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#define AV_EF_BITSTREAM (1<<1) ///< detect bitstream specification deviations
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#define AV_EF_BUFFER (1<<2) ///< detect improper bitstream length
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#define AV_EF_EXPLODE (1<<3) ///< abort decoding on minor error detection
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#define AV_EF_IGNORE_ERR (1<<15) ///< ignore errors and continue
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#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
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#define AV_EF_COMPLIANT (1<<17) ///< consider all spec non compliances as errors
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#define AV_EF_AGGRESSIVE (1<<18) ///< consider things that a sane encoder/muxer should not do as an error
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#define FF_COMPLIANCE_VERY_STRICT 2 ///< Strictly conform to an older more strict version of the spec or reference software.
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#define FF_COMPLIANCE_STRICT 1 ///< Strictly conform to all the things in the spec no matter what consequences.
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#define FF_COMPLIANCE_NORMAL 0
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#define FF_COMPLIANCE_UNOFFICIAL -1 ///< Allow unofficial extensions
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#define FF_COMPLIANCE_EXPERIMENTAL -2 ///< Allow nonstandardized experimental things.
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#define AV_PROFILE_UNKNOWN -99
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#define AV_PROFILE_RESERVED -100
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#define AV_PROFILE_AAC_MAIN 0
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#define AV_PROFILE_AAC_LOW 1
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#define AV_PROFILE_AAC_SSR 2
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#define AV_PROFILE_AAC_LTP 3
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#define AV_PROFILE_AAC_HE 4
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#define AV_PROFILE_AAC_HE_V2 28
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#define AV_PROFILE_AAC_LD 22
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#define AV_PROFILE_AAC_ELD 38
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#define AV_PROFILE_MPEG2_AAC_LOW 128
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#define AV_PROFILE_MPEG2_AAC_HE 131
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#define AV_PROFILE_DNXHD 0
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#define AV_PROFILE_DNXHR_LB 1
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#define AV_PROFILE_DNXHR_SQ 2
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#define AV_PROFILE_DNXHR_HQ 3
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#define AV_PROFILE_DNXHR_HQX 4
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#define AV_PROFILE_DNXHR_444 5
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#define AV_PROFILE_DTS 20
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#define AV_PROFILE_DTS_ES 30
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#define AV_PROFILE_DTS_96_24 40
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#define AV_PROFILE_DTS_HD_HRA 50
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#define AV_PROFILE_DTS_HD_MA 60
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#define AV_PROFILE_DTS_EXPRESS 70
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#define AV_PROFILE_DTS_HD_MA_X 61
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#define AV_PROFILE_DTS_HD_MA_X_IMAX 62
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#define AV_PROFILE_EAC3_DDP_ATMOS 30
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#define AV_PROFILE_TRUEHD_ATMOS 30
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#define AV_PROFILE_MPEG2_422 0
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#define AV_PROFILE_MPEG2_HIGH 1
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#define AV_PROFILE_MPEG2_SS 2
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#define AV_PROFILE_MPEG2_SNR_SCALABLE 3
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#define AV_PROFILE_MPEG2_MAIN 4
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#define AV_PROFILE_MPEG2_SIMPLE 5
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#define AV_PROFILE_H264_CONSTRAINED (1<<9) // 8+1; constraint_set1_flag
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#define AV_PROFILE_H264_INTRA (1<<11) // 8+3; constraint_set3_flag
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#define AV_PROFILE_H264_BASELINE 66
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#define AV_PROFILE_H264_CONSTRAINED_BASELINE (66|AV_PROFILE_H264_CONSTRAINED)
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#define AV_PROFILE_H264_MAIN 77
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#define AV_PROFILE_H264_EXTENDED 88
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#define AV_PROFILE_H264_HIGH 100
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#define AV_PROFILE_H264_HIGH_10 110
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#define AV_PROFILE_H264_HIGH_10_INTRA (110|AV_PROFILE_H264_INTRA)
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#define AV_PROFILE_H264_MULTIVIEW_HIGH 118
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#define AV_PROFILE_H264_HIGH_422 122
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#define AV_PROFILE_H264_HIGH_422_INTRA (122|AV_PROFILE_H264_INTRA)
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#define AV_PROFILE_H264_STEREO_HIGH 128
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#define AV_PROFILE_H264_HIGH_444 144
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#define AV_PROFILE_H264_HIGH_444_PREDICTIVE 244
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#define AV_PROFILE_H264_HIGH_444_INTRA (244|AV_PROFILE_H264_INTRA)
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#define AV_PROFILE_H264_CAVLC_444 44
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#define AV_PROFILE_VC1_SIMPLE 0
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#define AV_PROFILE_VC1_MAIN 1
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#define AV_PROFILE_VC1_COMPLEX 2
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#define AV_PROFILE_VC1_ADVANCED 3
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#define AV_PROFILE_MPEG4_SIMPLE 0
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#define AV_PROFILE_MPEG4_SIMPLE_SCALABLE 1
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#define AV_PROFILE_MPEG4_CORE 2
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#define AV_PROFILE_MPEG4_MAIN 3
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#define AV_PROFILE_MPEG4_N_BIT 4
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#define AV_PROFILE_MPEG4_SCALABLE_TEXTURE 5
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#define AV_PROFILE_MPEG4_SIMPLE_FACE_ANIMATION 6
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#define AV_PROFILE_MPEG4_BASIC_ANIMATED_TEXTURE 7
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#define AV_PROFILE_MPEG4_HYBRID 8
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#define AV_PROFILE_MPEG4_ADVANCED_REAL_TIME 9
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#define AV_PROFILE_MPEG4_CORE_SCALABLE 10
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#define AV_PROFILE_MPEG4_ADVANCED_CODING 11
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#define AV_PROFILE_MPEG4_ADVANCED_CORE 12
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#define AV_PROFILE_MPEG4_ADVANCED_SCALABLE_TEXTURE 13
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#define AV_PROFILE_MPEG4_SIMPLE_STUDIO 14
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#define AV_PROFILE_MPEG4_ADVANCED_SIMPLE 15
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#define AV_PROFILE_JPEG2000_CSTREAM_RESTRICTION_0 1
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#define AV_PROFILE_JPEG2000_CSTREAM_RESTRICTION_1 2
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#define AV_PROFILE_JPEG2000_CSTREAM_NO_RESTRICTION 32768
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#define AV_PROFILE_JPEG2000_DCINEMA_2K 3
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#define AV_PROFILE_JPEG2000_DCINEMA_4K 4
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#define AV_PROFILE_VP9_0 0
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#define AV_PROFILE_VP9_1 1
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#define AV_PROFILE_VP9_2 2
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#define AV_PROFILE_VP9_3 3
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#define AV_PROFILE_HEVC_MAIN 1
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#define AV_PROFILE_HEVC_MAIN_10 2
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#define AV_PROFILE_HEVC_MAIN_STILL_PICTURE 3
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#define AV_PROFILE_HEVC_REXT 4
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#define AV_PROFILE_HEVC_SCC 9
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#define AV_PROFILE_VVC_MAIN_10 1
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#define AV_PROFILE_VVC_MAIN_10_444 33
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#define AV_PROFILE_AV1_MAIN 0
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#define AV_PROFILE_AV1_HIGH 1
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#define AV_PROFILE_AV1_PROFESSIONAL 2
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#define AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT 0xc0
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#define AV_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT 0xc1
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#define AV_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT 0xc2
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#define AV_PROFILE_MJPEG_HUFFMAN_LOSSLESS 0xc3
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#define AV_PROFILE_MJPEG_JPEG_LS 0xf7
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#define AV_PROFILE_SBC_MSBC 1
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#define AV_PROFILE_PRORES_PROXY 0
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#define AV_PROFILE_PRORES_LT 1
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#define AV_PROFILE_PRORES_STANDARD 2
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#define AV_PROFILE_PRORES_HQ 3
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#define AV_PROFILE_PRORES_4444 4
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#define AV_PROFILE_PRORES_XQ 5
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#define AV_PROFILE_ARIB_PROFILE_A 0
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#define AV_PROFILE_ARIB_PROFILE_C 1
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#define AV_PROFILE_KLVA_SYNC 0
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#define AV_PROFILE_KLVA_ASYNC 1
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#define AV_PROFILE_EVC_BASELINE 0
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#define AV_PROFILE_EVC_MAIN 1
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#define AV_LEVEL_UNKNOWN -99
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enum AVFieldOrder {
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AV_FIELD_UNKNOWN,
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AV_FIELD_PROGRESSIVE,
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AV_FIELD_TT, ///< Top coded_first, top displayed first
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AV_FIELD_BB, ///< Bottom coded first, bottom displayed first
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AV_FIELD_TB, ///< Top coded first, bottom displayed first
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AV_FIELD_BT, ///< Bottom coded first, top displayed first
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};
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/**
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* @ingroup lavc_decoding
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*/
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enum AVDiscard{
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/* We leave some space between them for extensions (drop some
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* keyframes for intra-only or drop just some bidir frames). */
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AVDISCARD_NONE =-16, ///< discard nothing
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AVDISCARD_DEFAULT = 0, ///< discard useless packets like 0 size packets in avi
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AVDISCARD_NONREF = 8, ///< discard all non reference
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AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames
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AVDISCARD_NONINTRA= 24, ///< discard all non intra frames
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AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes
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AVDISCARD_ALL = 48, ///< discard all
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};
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enum AVAudioServiceType {
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AV_AUDIO_SERVICE_TYPE_MAIN = 0,
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AV_AUDIO_SERVICE_TYPE_EFFECTS = 1,
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AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED = 2,
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AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED = 3,
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AV_AUDIO_SERVICE_TYPE_DIALOGUE = 4,
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AV_AUDIO_SERVICE_TYPE_COMMENTARY = 5,
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AV_AUDIO_SERVICE_TYPE_EMERGENCY = 6,
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AV_AUDIO_SERVICE_TYPE_VOICE_OVER = 7,
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AV_AUDIO_SERVICE_TYPE_KARAOKE = 8,
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AV_AUDIO_SERVICE_TYPE_NB , ///< Not part of ABI
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};
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/**
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* Pan Scan area.
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* This specifies the area which should be displayed.
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* Note there may be multiple such areas for one frame.
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*/
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typedef struct AVPanScan {
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/**
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* id
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* - encoding: Set by user.
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* - decoding: Set by libavcodec.
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*/
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int id;
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/**
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* width and height in 1/16 pel
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* - encoding: Set by user.
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* - decoding: Set by libavcodec.
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*/
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int width;
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int height;
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/**
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* position of the top left corner in 1/16 pel for up to 3 fields/frames
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* - encoding: Set by user.
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* - decoding: Set by libavcodec.
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*/
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int16_t position[3][2];
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} AVPanScan;
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/**
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* This structure describes the bitrate properties of an encoded bitstream. It
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* roughly corresponds to a subset the VBV parameters for MPEG-2 or HRD
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* parameters for H.264/HEVC.
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*/
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typedef struct AVCPBProperties {
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/**
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* Maximum bitrate of the stream, in bits per second.
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* Zero if unknown or unspecified.
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*/
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int64_t max_bitrate;
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/**
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* Minimum bitrate of the stream, in bits per second.
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* Zero if unknown or unspecified.
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*/
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int64_t min_bitrate;
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/**
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* Average bitrate of the stream, in bits per second.
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* Zero if unknown or unspecified.
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*/
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int64_t avg_bitrate;
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/**
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* The size of the buffer to which the ratecontrol is applied, in bits.
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* Zero if unknown or unspecified.
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*/
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int64_t buffer_size;
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/**
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* The delay between the time the packet this structure is associated with
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* is received and the time when it should be decoded, in periods of a 27MHz
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* clock.
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*
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* UINT64_MAX when unknown or unspecified.
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*/
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uint64_t vbv_delay;
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} AVCPBProperties;
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/**
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* Allocate a CPB properties structure and initialize its fields to default
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* values.
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*
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* @param size if non-NULL, the size of the allocated struct will be written
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* here. This is useful for embedding it in side data.
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*
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* @return the newly allocated struct or NULL on failure
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*/
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AVCPBProperties *av_cpb_properties_alloc(size_t *size);
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/**
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* This structure supplies correlation between a packet timestamp and a wall clock
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* production time. The definition follows the Producer Reference Time ('prft')
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* as defined in ISO/IEC 14496-12
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*/
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typedef struct AVProducerReferenceTime {
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/**
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* A UTC timestamp, in microseconds, since Unix epoch (e.g, av_gettime()).
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*/
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int64_t wallclock;
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int flags;
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} AVProducerReferenceTime;
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/**
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* Encode extradata length to a buffer. Used by xiph codecs.
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*
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* @param s buffer to write to; must be at least (v/255+1) bytes long
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* @param v size of extradata in bytes
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* @return number of bytes written to the buffer.
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*/
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unsigned int av_xiphlacing(unsigned char *s, unsigned int v);
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#endif // AVCODEC_DEFS_H
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