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/*
*
* 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_AAC_USAC 41
#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_MULTIVIEW_MAIN 6
#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