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21 #ifndef AVCODEC_AVCODEC_H
22 #define AVCODEC_AVCODEC_H
355 #define AV_CODEC_ID_IFF_BYTERUN1 AV_CODEC_ID_IFF_ILBM
393 #define AV_CODEC_ID_H265 AV_CODEC_ID_HEVC
751 #define AV_CODEC_PROP_INTRA_ONLY (1 << 0)
757 #define AV_CODEC_PROP_LOSSY (1 << 1)
761 #define AV_CODEC_PROP_LOSSLESS (1 << 2)
771 #define AV_CODEC_PROP_REORDER (1 << 3)
776 #define AV_CODEC_PROP_BITMAP_SUB (1 << 16)
781 #define AV_CODEC_PROP_TEXT_SUB (1 << 17)
791 #define AV_INPUT_BUFFER_PADDING_SIZE 64
798 #define AV_INPUT_BUFFER_MIN_SIZE 16384
847 #define AV_CODEC_FLAG_UNALIGNED (1 << 0)
851 #define AV_CODEC_FLAG_QSCALE (1 << 1)
855 #define AV_CODEC_FLAG_4MV (1 << 2)
859 #define AV_CODEC_FLAG_OUTPUT_CORRUPT (1 << 3)
863 #define AV_CODEC_FLAG_QPEL (1 << 4)
868 #define AV_CODEC_FLAG_DROPCHANGED (1 << 5)
872 #define AV_CODEC_FLAG_PASS1 (1 << 9)
876 #define AV_CODEC_FLAG_PASS2 (1 << 10)
880 #define AV_CODEC_FLAG_LOOP_FILTER (1 << 11)
884 #define AV_CODEC_FLAG_GRAY (1 << 13)
888 #define AV_CODEC_FLAG_PSNR (1 << 15)
893 #define AV_CODEC_FLAG_TRUNCATED (1 << 16)
897 #define AV_CODEC_FLAG_INTERLACED_DCT (1 << 18)
901 #define AV_CODEC_FLAG_LOW_DELAY (1 << 19)
905 #define AV_CODEC_FLAG_GLOBAL_HEADER (1 << 22)
909 #define AV_CODEC_FLAG_BITEXACT (1 << 23)
914 #define AV_CODEC_FLAG_AC_PRED (1 << 24)
918 #define AV_CODEC_FLAG_INTERLACED_ME (1 << 29)
919 #define AV_CODEC_FLAG_CLOSED_GOP (1U << 31)
924 #define AV_CODEC_FLAG2_FAST (1 << 0)
928 #define AV_CODEC_FLAG2_NO_OUTPUT (1 << 2)
932 #define AV_CODEC_FLAG2_LOCAL_HEADER (1 << 3)
937 #define AV_CODEC_FLAG2_DROP_FRAME_TIMECODE (1 << 13)
943 #define AV_CODEC_FLAG2_CHUNKS (1 << 15)
947 #define AV_CODEC_FLAG2_IGNORE_CROP (1 << 16)
952 #define AV_CODEC_FLAG2_SHOW_ALL (1 << 22)
956 #define AV_CODEC_FLAG2_EXPORT_MVS (1 << 28)
960 #define AV_CODEC_FLAG2_SKIP_MANUAL (1 << 29)
964 #define AV_CODEC_FLAG2_RO_FLUSH_NOOP (1 << 30)
976 #define AV_CODEC_CAP_DRAW_HORIZ_BAND (1 << 0)
982 #define AV_CODEC_CAP_DR1 (1 << 1)
983 #define AV_CODEC_CAP_TRUNCATED (1 << 3)
1007 #define AV_CODEC_CAP_DELAY (1 << 5)
1012 #define AV_CODEC_CAP_SMALL_LAST_FRAME (1 << 6)
1025 #define AV_CODEC_CAP_SUBFRAMES (1 << 8)
1030 #define AV_CODEC_CAP_EXPERIMENTAL (1 << 9)
1034 #define AV_CODEC_CAP_CHANNEL_CONF (1 << 10)
1038 #define AV_CODEC_CAP_FRAME_THREADS (1 << 12)
1042 #define AV_CODEC_CAP_SLICE_THREADS (1 << 13)
1046 #define AV_CODEC_CAP_PARAM_CHANGE (1 << 14)
1050 #define AV_CODEC_CAP_AUTO_THREADS (1 << 15)
1054 #define AV_CODEC_CAP_VARIABLE_FRAME_SIZE (1 << 16)
1064 #define AV_CODEC_CAP_AVOID_PROBING (1 << 17)
1068 #define AV_CODEC_CAP_INTRA_ONLY 0x40000000
1072 #define AV_CODEC_CAP_LOSSLESS 0x80000000
1079 #define AV_CODEC_CAP_HARDWARE (1 << 18)
1086 #define AV_CODEC_CAP_HYBRID (1 << 19)
1093 #define AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE (1 << 20)
1134 #if FF_API_UNSANITIZED_BITRATES
1143 #if FF_API_UNSANITIZED_BITRATES
1152 #if FF_API_UNSANITIZED_BITRATES
1177 #define AV_GET_BUFFER_FLAG_REF (1 << 0)
1419 #define AV_PKT_DATA_QUALITY_FACTOR AV_PKT_DATA_QUALITY_STATS //DEPRECATED
1500 #if FF_API_CONVERGENCE_DURATION
1511 #define AV_PKT_FLAG_KEY 0x0001
1512 #define AV_PKT_FLAG_CORRUPT 0x0002
1518 #define AV_PKT_FLAG_DISCARD 0x0004
1525 #define AV_PKT_FLAG_TRUSTED 0x0008
1530 #define AV_PKT_FLAG_DISPOSABLE 0x0010
1543 struct AVCodecInternal;
1602 struct AVCodecInternal *
internal;
1640 #define FF_COMPRESSION_DEFAULT -1
1804 int y,
int type,
int height);
1838 #if FF_API_PRIVATE_OPT
1859 #if FF_API_PRIVATE_OPT
1923 #if FF_API_PRIVATE_OPT
1927 #define FF_PRED_LEFT 0
1928 #define FF_PRED_PLANE 1
1929 #define FF_PRED_MEDIAN 2
1972 #define FF_CMP_SAD 0
1973 #define FF_CMP_SSE 1
1974 #define FF_CMP_SATD 2
1975 #define FF_CMP_DCT 3
1976 #define FF_CMP_PSNR 4
1977 #define FF_CMP_BIT 5
1979 #define FF_CMP_ZERO 7
1980 #define FF_CMP_VSAD 8
1981 #define FF_CMP_VSSE 9
1982 #define FF_CMP_NSSE 10
1983 #define FF_CMP_W53 11
1984 #define FF_CMP_W97 12
1985 #define FF_CMP_DCTMAX 13
1986 #define FF_CMP_DCT264 14
1987 #define FF_CMP_MEDIAN_SAD 15
1988 #define FF_CMP_CHROMA 256
2004 #if FF_API_PRIVATE_OPT
2046 #define SLICE_FLAG_CODED_ORDER 0x0001
2047 #define SLICE_FLAG_ALLOW_FIELD 0x0002
2048 #define SLICE_FLAG_ALLOW_PLANE 0x0004
2056 #define FF_MB_DECISION_SIMPLE 0
2057 #define FF_MB_DECISION_BITS 1
2058 #define FF_MB_DECISION_RD 2
2078 #if FF_API_PRIVATE_OPT
2123 #if FF_API_PRIVATE_OPT
2137 #if FF_API_PRIVATE_OPT
2157 #if FF_API_PRIVATE_OPT
2170 #if FF_API_PRIVATE_OPT
2475 #if FF_API_CODER_TYPE
2476 #define FF_CODER_TYPE_VLC 0
2477 #define FF_CODER_TYPE_AC 1
2478 #define FF_CODER_TYPE_RAW 2
2479 #define FF_CODER_TYPE_RLE 3
2487 #if FF_API_PRIVATE_OPT
2493 #if FF_API_PRIVATE_OPT
2518 #if FF_API_PRIVATE_OPT
2532 #if FF_API_RTP_CALLBACK
2546 #if FF_API_PRIVATE_OPT
2557 #if FF_API_STAT_BITS
2602 #define FF_BUG_AUTODETECT 1
2603 #define FF_BUG_XVID_ILACE 4
2604 #define FF_BUG_UMP4 8
2605 #define FF_BUG_NO_PADDING 16
2606 #define FF_BUG_AMV 32
2607 #define FF_BUG_QPEL_CHROMA 64
2608 #define FF_BUG_STD_QPEL 128
2609 #define FF_BUG_QPEL_CHROMA2 256
2610 #define FF_BUG_DIRECT_BLOCKSIZE 512
2611 #define FF_BUG_EDGE 1024
2612 #define FF_BUG_HPEL_CHROMA 2048
2613 #define FF_BUG_DC_CLIP 4096
2614 #define FF_BUG_MS 8192
2615 #define FF_BUG_TRUNCATED 16384
2616 #define FF_BUG_IEDGE 32768
2631 #define FF_COMPLIANCE_VERY_STRICT 2
2632 #define FF_COMPLIANCE_STRICT 1
2633 #define FF_COMPLIANCE_NORMAL 0
2634 #define FF_COMPLIANCE_UNOFFICIAL -1
2635 #define FF_COMPLIANCE_EXPERIMENTAL -2
2643 #define FF_EC_GUESS_MVS 1
2644 #define FF_EC_DEBLOCK 2
2645 #define FF_EC_FAVOR_INTER 256
2653 #define FF_DEBUG_PICT_INFO 1
2654 #define FF_DEBUG_RC 2
2655 #define FF_DEBUG_BITSTREAM 4
2656 #define FF_DEBUG_MB_TYPE 8
2657 #define FF_DEBUG_QP 16
2662 #define FF_DEBUG_MV 32
2664 #define FF_DEBUG_DCT_COEFF 0x00000040
2665 #define FF_DEBUG_SKIP 0x00000080
2666 #define FF_DEBUG_STARTCODE 0x00000100
2667 #define FF_DEBUG_ER 0x00000400
2668 #define FF_DEBUG_MMCO 0x00000800
2669 #define FF_DEBUG_BUGS 0x00001000
2671 #define FF_DEBUG_VIS_QP 0x00002000
2672 #define FF_DEBUG_VIS_MB_TYPE 0x00004000
2674 #define FF_DEBUG_BUFFERS 0x00008000
2675 #define FF_DEBUG_THREADS 0x00010000
2676 #define FF_DEBUG_GREEN_MD 0x00800000
2677 #define FF_DEBUG_NOMC 0x01000000
2686 #define FF_DEBUG_VIS_MV_P_FOR 0x00000001 // visualize forward predicted MVs of P-frames
2687 #define FF_DEBUG_VIS_MV_B_FOR 0x00000002 // visualize forward predicted MVs of B-frames
2688 #define FF_DEBUG_VIS_MV_B_BACK 0x00000004 // visualize backward predicted MVs of B-frames
2704 #define AV_EF_CRCCHECK (1<<0)
2705 #define AV_EF_BITSTREAM (1<<1)
2706 #define AV_EF_BUFFER (1<<2)
2707 #define AV_EF_EXPLODE (1<<3)
2709 #define AV_EF_IGNORE_ERR (1<<15)
2710 #define AV_EF_CAREFUL (1<<16)
2711 #define AV_EF_COMPLIANT (1<<17)
2712 #define AV_EF_AGGRESSIVE (1<<18)
2758 #define FF_DCT_AUTO 0
2759 #define FF_DCT_FASTINT 1
2760 #define FF_DCT_INT 2
2761 #define FF_DCT_MMX 3
2762 #define FF_DCT_ALTIVEC 5
2763 #define FF_DCT_FAAN 6
2771 #define FF_IDCT_AUTO 0
2772 #define FF_IDCT_INT 1
2773 #define FF_IDCT_SIMPLE 2
2774 #define FF_IDCT_SIMPLEMMX 3
2775 #define FF_IDCT_ARM 7
2776 #define FF_IDCT_ALTIVEC 8
2777 #define FF_IDCT_SIMPLEARM 10
2778 #define FF_IDCT_XVID 14
2779 #define FF_IDCT_SIMPLEARMV5TE 16
2780 #define FF_IDCT_SIMPLEARMV6 17
2781 #define FF_IDCT_FAAN 20
2782 #define FF_IDCT_SIMPLENEON 22
2783 #define FF_IDCT_NONE 24
2784 #define FF_IDCT_SIMPLEAUTO 128
2809 #if FF_API_CODED_FRAME
2837 #define FF_THREAD_FRAME 1
2838 #define FF_THREAD_SLICE 2
2901 #define FF_PROFILE_UNKNOWN -99
2902 #define FF_PROFILE_RESERVED -100
2904 #define FF_PROFILE_AAC_MAIN 0
2905 #define FF_PROFILE_AAC_LOW 1
2906 #define FF_PROFILE_AAC_SSR 2
2907 #define FF_PROFILE_AAC_LTP 3
2908 #define FF_PROFILE_AAC_HE 4
2909 #define FF_PROFILE_AAC_HE_V2 28
2910 #define FF_PROFILE_AAC_LD 22
2911 #define FF_PROFILE_AAC_ELD 38
2912 #define FF_PROFILE_MPEG2_AAC_LOW 128
2913 #define FF_PROFILE_MPEG2_AAC_HE 131
2915 #define FF_PROFILE_DNXHD 0
2916 #define FF_PROFILE_DNXHR_LB 1
2917 #define FF_PROFILE_DNXHR_SQ 2
2918 #define FF_PROFILE_DNXHR_HQ 3
2919 #define FF_PROFILE_DNXHR_HQX 4
2920 #define FF_PROFILE_DNXHR_444 5
2922 #define FF_PROFILE_DTS 20
2923 #define FF_PROFILE_DTS_ES 30
2924 #define FF_PROFILE_DTS_96_24 40
2925 #define FF_PROFILE_DTS_HD_HRA 50
2926 #define FF_PROFILE_DTS_HD_MA 60
2927 #define FF_PROFILE_DTS_EXPRESS 70
2929 #define FF_PROFILE_MPEG2_422 0
2930 #define FF_PROFILE_MPEG2_HIGH 1
2931 #define FF_PROFILE_MPEG2_SS 2
2932 #define FF_PROFILE_MPEG2_SNR_SCALABLE 3
2933 #define FF_PROFILE_MPEG2_MAIN 4
2934 #define FF_PROFILE_MPEG2_SIMPLE 5
2936 #define FF_PROFILE_H264_CONSTRAINED (1<<9) // 8+1; constraint_set1_flag
2937 #define FF_PROFILE_H264_INTRA (1<<11) // 8+3; constraint_set3_flag
2939 #define FF_PROFILE_H264_BASELINE 66
2940 #define FF_PROFILE_H264_CONSTRAINED_BASELINE (66|FF_PROFILE_H264_CONSTRAINED)
2941 #define FF_PROFILE_H264_MAIN 77
2942 #define FF_PROFILE_H264_EXTENDED 88
2943 #define FF_PROFILE_H264_HIGH 100
2944 #define FF_PROFILE_H264_HIGH_10 110
2945 #define FF_PROFILE_H264_HIGH_10_INTRA (110|FF_PROFILE_H264_INTRA)
2946 #define FF_PROFILE_H264_MULTIVIEW_HIGH 118
2947 #define FF_PROFILE_H264_HIGH_422 122
2948 #define FF_PROFILE_H264_HIGH_422_INTRA (122|FF_PROFILE_H264_INTRA)
2949 #define FF_PROFILE_H264_STEREO_HIGH 128
2950 #define FF_PROFILE_H264_HIGH_444 144
2951 #define FF_PROFILE_H264_HIGH_444_PREDICTIVE 244
2952 #define FF_PROFILE_H264_HIGH_444_INTRA (244|FF_PROFILE_H264_INTRA)
2953 #define FF_PROFILE_H264_CAVLC_444 44
2955 #define FF_PROFILE_VC1_SIMPLE 0
2956 #define FF_PROFILE_VC1_MAIN 1
2957 #define FF_PROFILE_VC1_COMPLEX 2
2958 #define FF_PROFILE_VC1_ADVANCED 3
2960 #define FF_PROFILE_MPEG4_SIMPLE 0
2961 #define FF_PROFILE_MPEG4_SIMPLE_SCALABLE 1
2962 #define FF_PROFILE_MPEG4_CORE 2
2963 #define FF_PROFILE_MPEG4_MAIN 3
2964 #define FF_PROFILE_MPEG4_N_BIT 4
2965 #define FF_PROFILE_MPEG4_SCALABLE_TEXTURE 5
2966 #define FF_PROFILE_MPEG4_SIMPLE_FACE_ANIMATION 6
2967 #define FF_PROFILE_MPEG4_BASIC_ANIMATED_TEXTURE 7
2968 #define FF_PROFILE_MPEG4_HYBRID 8
2969 #define FF_PROFILE_MPEG4_ADVANCED_REAL_TIME 9
2970 #define FF_PROFILE_MPEG4_CORE_SCALABLE 10
2971 #define FF_PROFILE_MPEG4_ADVANCED_CODING 11
2972 #define FF_PROFILE_MPEG4_ADVANCED_CORE 12
2973 #define FF_PROFILE_MPEG4_ADVANCED_SCALABLE_TEXTURE 13
2974 #define FF_PROFILE_MPEG4_SIMPLE_STUDIO 14
2975 #define FF_PROFILE_MPEG4_ADVANCED_SIMPLE 15
2977 #define FF_PROFILE_JPEG2000_CSTREAM_RESTRICTION_0 1
2978 #define FF_PROFILE_JPEG2000_CSTREAM_RESTRICTION_1 2
2979 #define FF_PROFILE_JPEG2000_CSTREAM_NO_RESTRICTION 32768
2980 #define FF_PROFILE_JPEG2000_DCINEMA_2K 3
2981 #define FF_PROFILE_JPEG2000_DCINEMA_4K 4
2983 #define FF_PROFILE_VP9_0 0
2984 #define FF_PROFILE_VP9_1 1
2985 #define FF_PROFILE_VP9_2 2
2986 #define FF_PROFILE_VP9_3 3
2988 #define FF_PROFILE_HEVC_MAIN 1
2989 #define FF_PROFILE_HEVC_MAIN_10 2
2990 #define FF_PROFILE_HEVC_MAIN_STILL_PICTURE 3
2991 #define FF_PROFILE_HEVC_REXT 4
2993 #define FF_PROFILE_AV1_MAIN 0
2994 #define FF_PROFILE_AV1_HIGH 1
2995 #define FF_PROFILE_AV1_PROFESSIONAL 2
2997 #define FF_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT 0xc0
2998 #define FF_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT 0xc1
2999 #define FF_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT 0xc2
3000 #define FF_PROFILE_MJPEG_HUFFMAN_LOSSLESS 0xc3
3001 #define FF_PROFILE_MJPEG_JPEG_LS 0xf7
3003 #define FF_PROFILE_SBC_MSBC 1
3005 #define FF_PROFILE_PRORES_PROXY 0
3006 #define FF_PROFILE_PRORES_LT 1
3007 #define FF_PROFILE_PRORES_STANDARD 2
3008 #define FF_PROFILE_PRORES_HQ 3
3009 #define FF_PROFILE_PRORES_4444 4
3010 #define FF_PROFILE_PRORES_XQ 5
3012 #define FF_PROFILE_ARIB_PROFILE_A 0
3013 #define FF_PROFILE_ARIB_PROFILE_C 1
3021 #define FF_LEVEL_UNKNOWN -99
3055 #if FF_API_VBV_DELAY
3068 #if FF_API_SIDEDATA_ONLY_PKT
3163 #define FF_SUB_CHARENC_MODE_DO_NOTHING -1
3164 #define FF_SUB_CHARENC_MODE_AUTOMATIC 0
3165 #define FF_SUB_CHARENC_MODE_PRE_DECODER 1
3166 #define FF_SUB_CHARENC_MODE_IGNORE 2
3189 #if !FF_API_DEBUG_MV
3196 #define FF_DEBUG_VIS_MV_P_FOR 0x00000001 //visualize forward predicted MVs of P frames
3197 #define FF_DEBUG_VIS_MV_B_FOR 0x00000002 //visualize forward predicted MVs of B frames
3198 #define FF_DEBUG_VIS_MV_B_BACK 0x00000004 //visualize backward predicted MVs of B frames
3230 #define FF_CODEC_PROPERTY_LOSSLESS 0x00000001
3231 #define FF_CODEC_PROPERTY_CLOSED_CAPTIONS 0x00000002
3272 #define FF_SUB_TEXT_FMT_ASS 0
3273 #if FF_API_ASS_TIMING
3274 #define FF_SUB_TEXT_FMT_ASS_WITH_TIMINGS 1
3377 #if FF_API_CODEC_GET_SET
3580 int *got_packet_ptr);
3627 #if FF_API_CODEC_GET_SET
3632 struct MpegEncContext;
3817 #define AV_HWACCEL_CODEC_CAP_EXPERIMENTAL 0x0200
3827 #define AV_HWACCEL_FLAG_IGNORE_LEVEL (1 << 0)
3833 #define AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH (1 << 1)
3847 #define AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH (1 << 2)
3853 #if FF_API_AVPICTURE
3898 #define AV_SUBTITLE_FLAG_FORCED 0x00000001
3907 #if FF_API_AVPICTURE
4185 #if FF_API_GET_CONTEXT_DEFAULTS
4202 #if FF_API_COPY_CONTEXT
4438 #if FF_API_AVPACKET_OLD_API
4502 uint8_t *data,
size_t size);
4526 #if FF_API_MERGE_SD_API
4782 int *got_frame_ptr,
const AVPacket *avpkt);
4831 int *got_picture_ptr,
5137 #define AV_PARSER_PTS_NB 4
5144 #define PARSER_FLAG_COMPLETE_FRAMES 0x0001
5145 #define PARSER_FLAG_ONCE 0x0002
5147 #define PARSER_FLAG_FETCHED_OFFSET 0x0004
5148 #define PARSER_FLAG_USE_CODEC_TS 0x1000
5161 #if FF_API_CONVERGENCE_DURATION
5285 const uint8_t **poutbuf,
int *poutbuf_size,
5286 const uint8_t *buf,
int buf_size);
5343 uint8_t **poutbuf,
int *poutbuf_size,
5344 const uint8_t *buf,
int buf_size,
5345 int64_t
pts, int64_t dts,
5354 uint8_t **poutbuf,
int *poutbuf_size,
5355 const uint8_t *buf,
int buf_size,
int keyframe);
5475 #if FF_API_AVPICTURE
5506 unsigned char *dest,
int dest_size);
5533 int padtop,
int padbottom,
int padleft,
int padright,
int *color);
5556 #if FF_API_GETCHROMA
5597 int has_alpha,
int *loss_ptr);
5603 enum AVPixelFormat src_pix_fmt,
int has_alpha,
int *loss_ptr);
5607 enum AVPixelFormat src_pix_fmt,
int has_alpha,
int *loss_ptr);
5615 #if FF_API_TAG_STRING
5684 int buf_size,
int align);
5872 uint8_t **poutbuf,
int *poutbuf_size,
5873 const uint8_t *buf,
int buf_size,
int keyframe);
6102 unsigned int av_xiphlacing(
unsigned char *s,
unsigned int v);
6104 #if FF_API_USER_VISIBLE_AVHWACCEL
enum AVMediaType avcodec_get_type(enum AVCodecID codec_id)
Get the type of the given codec.
@ AV_CODEC_ID_TRUEMOTION2
int avcodec_close(AVCodecContext *avctx)
Close a given AVCodecContext and free all the data associated with it (but not the AVCodecContext its...
@ AV_CODEC_ID_TRUEMOTION2RT
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size, const AVSubtitle *sub)
int frame_size
Number of samples per channel in an audio frame.
struct AVBSFInternal AVBSFInternal
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
const struct AVHWAccel * hwaccel
Hardware accelerator in use.
void * hwaccel_context
Hardware accelerator context.
attribute_deprecated unsigned av_codec_get_codec_properties(const AVCodecContext *avctx)
AVCodecParameters * par_in
Parameters of the input stream.
static enum AVPixelFormat hw_pix_fmt
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
attribute_deprecated int64_t convergence_duration
AVPixelFormat
Pixel format.
@ AV_CODEC_ID_ADPCM_IMA_QT
attribute_deprecated void av_codec_set_pkt_timebase(AVCodecContext *avctx, AVRational val)
int16_t position[3][2]
position of the top left corner in 1/16 pel for up to 3 fields/frames
@ AV_AUDIO_SERVICE_TYPE_VOICE_OVER
int keyint_min
minimum GOP size
const AVBitStreamFilter * av_bsf_iterate(void **opaque)
Iterate over all registered bitstream filters.
@ AV_AUDIO_SERVICE_TYPE_EMERGENCY
int avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
Read encoded data from the encoder.
int workaround_bugs
Work around bugs in encoders which sometimes cannot be detected automatically.
@ AV_PKT_DATA_NB
The number of side data types.
unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
Encode extradata length to a buffer.
int av_codec_is_decoder(const AVCodec *codec)
enum AVPixelFormat(* get_format)(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
callback to negotiate the pixelFormat
int dts_sync_point
Synchronization point for start of timestamp generation.
enum AVMediaType codec_type
General type of the encoded data.
enum AVAudioServiceType audio_service_type
Type of service that the audio stream conveys.
uint64_t channel_layout
Audio channel layout.
enum AVColorSpace colorspace
YUV colorspace type.
attribute_deprecated int mpeg_quant
const char * long_name
Descriptive name for the codec, meant to be more human readable than name.
AVColorTransferCharacteristic
Color Transfer Characteristic.
const AVClass * av_class
information on struct for av_log
int methods
Bit set of AV_CODEC_HW_CONFIG_METHOD_* flags, describing the possible setup methods which can be used...
@ AV_PKT_DATA_MPEGTS_STREAM_ID
MPEGTS stream ID as uint8_t, this is required to pass the stream ID information from the demuxer to t...
attribute_deprecated AVCodecParser * av_parser_next(const AVCodecParser *c)
attribute_deprecated int avcodec_encode_audio2(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
Encode a frame of audio.
int sample_rate
samples per second
int64_t rc_min_rate
minimum bitrate
int output_picture_number
Picture number incremented in presentation or output order.
@ AV_CODEC_ID_INTERPLAY_ACM
int thread_safe_callbacks
Set by the client if its custom get_buffer() callback can be called synchronously from another thread...
This struct describes the properties of an encoded stream.
@ AV_PKT_DATA_PARAM_CHANGE
An AV_PKT_DATA_PARAM_CHANGE side data packet is laid out as follows:
const AVClass * priv_class
AVClass for the private context.
@ AV_CODEC_HW_CONFIG_METHOD_AD_HOC
The codec supports this format by some ad-hoc method.
enum AVColorSpace color_space
attribute_deprecated int avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, const AVPacket *avpkt)
Decode the audio frame of size avpkt->size from avpkt->data into frame.
int av_bsf_list_append(AVBSFList *lst, AVBSFContext *bsf)
Append bitstream filter to the list of bitstream filters.
const char * name
short name for the profile
enum AVMediaType type
Type of codec implemented by the hardware accelerator.
@ AV_PICTURE_STRUCTURE_UNKNOWN
int caps_internal
Internal hwaccel capabilities.
const char * long_name
A more descriptive name for this codec.
int avcodec_parameters_from_context(AVCodecParameters *par, const AVCodecContext *codec)
Fill the parameters struct based on the values from the supplied codec context.
attribute_deprecated int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe)
int duration
Duration of the current frame.
int err_recognition
Error recognition; may misdetect some more or less valid parts as errors.
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
const char * name
Name of the codec described by this descriptor.
AVPacketSideData * coded_side_data
Additional data associated with the entire coded stream.
int av_grow_packet(AVPacket *pkt, int grow_by)
Increase packet size, correctly zeroing padding.
attribute_deprecated void av_free_packet(AVPacket *pkt)
Free a packet.
const AVCodecParser * av_parser_iterate(void **opaque)
Iterate over all registered codec parsers.
uint16_t * intra_matrix
custom intra quantization matrix Must be allocated with the av_malloc() family of functions,...
int mv0_threshold
Note: Value depends upon the compare function used for fullpel ME.
int av_bsf_send_packet(AVBSFContext *ctx, AVPacket *pkt)
Submit a packet for filtering.
float lumi_masking
luminance masking (0-> disabled)
enum AVPixelFormat * pix_fmts
array of supported pixel formats, or NULL if unknown, array is terminated by -1
AVCodec * avcodec_find_encoder(enum AVCodecID id)
Find a registered encoder with a matching codec ID.
const char * wrapper_name
Group name of the codec implementation.
@ AV_CODEC_ID_PCM_S32LE_PLANAR
@ AV_PKT_DATA_ENCRYPTION_INFO
This side data contains encryption info for how to decrypt the packet.
This structure describes decoded (raw) audio or video data.
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
int pts_dts_delta
Presentation delay of current frame in units of AVCodecContext.time_base.
int * slice_offset
slice offsets in the frame in bytes
int capabilities
Codec capabilities.
const attribute_deprecated AVCodecDescriptor * av_codec_get_codec_descriptor(const AVCodecContext *avctx)
int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, AVPacket *avpkt)
Decode a subtitle message.
@ AV_CODEC_ID_DVB_TELETEXT
@ AV_CODEC_ID_PCM_S16BE_PLANAR
attribute_deprecated int av_codec_get_max_lowres(const AVCodec *codec)
attribute_deprecated int av_lockmgr_register(int(*cb)(void **mutex, enum AVLockOp op))
Register a user provided lock manager supporting the operations specified by AVLockOp.
attribute_deprecated void av_codec_set_chroma_intra_matrix(AVCodecContext *avctx, uint16_t *val)
enum AVFieldOrder field_order
Field order.
int seek_preroll
Audio only.
int capabilities
Hardware accelerated codec capabilities.
@ AV_CODEC_ID_FFMETADATA
Dummy codec for streams containing only metadata information.
@ AV_PKT_DATA_PALETTE
An AV_PKT_DATA_PALETTE side data packet contains exactly AVPALETTE_SIZE bytes worth of palette.
@ AV_CODEC_ID_ADPCM_EA_R3
@ AV_LOCK_RELEASE
Unlock the mutex.
attribute_deprecated int p_tex_bits
@ AV_PKT_DATA_ENCRYPTION_INIT_INFO
This side data is encryption initialization data.
float b_quant_offset
qscale offset between IP and B-frames
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height)
Modify width and height values so that they will result in a memory buffer that is acceptable for the...
int(* init)(AVCodecContext *avctx)
Initialize the hwaccel private data.
AVLockOp
Lock operation used by lockmgr.
int debug_mv
debug motion vectors
@ AV_CODEC_ID_ADPCM_IMA_OKI
attribute_deprecated void avcodec_register_all(void)
Register all the codecs, parsers and bitstream filters which were enabled at configuration time.
uint8_t * subtitle_header
Header containing style information for text subtitles.
const struct AVBitStreamFilter * filter
@ AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE
attribute_deprecated int skip_count
const AVClass * av_class
A class for logging and AVOptions.
@ AV_CODEC_ID_TRUEMOTION1
@ AV_PKT_DATA_AFD
Active Format Description data consisting of a single byte as specified in ETSI TS 101 154 using AVAc...
int cur_frame_start_index
attribute_deprecated void av_codec_set_seek_preroll(AVCodecContext *avctx, int val)
const char * avcodec_profile_name(enum AVCodecID codec_id, int profile)
Return a name for the specified profile, if available.
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
uint32_t codec_tag
Additional information about the codec (corresponds to the AVI FOURCC).
@ AV_CODEC_ID_SCREENPRESSO
int me_pre_cmp
motion estimation prepass comparison function
AVColorPrimaries
Chromaticity coordinates of the source primaries.
enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
enum AVPixelFormat avcodec_find_best_pix_fmt_of_list(const enum AVPixelFormat *pix_fmt_list, enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
Find the best pixel format to convert to given a certain source pixel format.
@ AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT
int mb_decision
macroblock decision mode
int avcodec_is_open(AVCodecContext *s)
@ AV_PKT_DATA_SPHERICAL
This side data should be associated with a video stream and corresponds to the AVSphericalMapping str...
int qmax
maximum quantizer
attribute_deprecated int frame_skip_threshold
@ AV_CODEC_ID_HDMV_PGS_SUBTITLE
void av_packet_free_side_data(AVPacket *pkt)
Convenience function to free all the side data stored.
uint64_t request_channel_layout
Request decoder to use this channel layout if it can (0 for default)
int coded_width
Dimensions of the coded video.
int me_subpel_quality
subpel ME quality
int mb_cmp
macroblock comparison function (not supported yet)
void av_packet_free(AVPacket **pkt)
Free the packet, if the packet is reference counted, it will be unreferenced first.
The bitstream filter state.
attribute_deprecated uint8_t * data[AV_NUM_DATA_POINTERS]
pointers to the image data planes
@ AV_CODEC_ID_PCM_S16LE_PLANAR
@ AV_CODEC_ID_ADPCM_THP_LE
@ AV_CODEC_ID_DSICINVIDEO
int slice_count
slice count
int av_bsf_get_null_filter(AVBSFContext **bsf)
Get null/pass-through bitstream filter.
unsigned int avcodec_pix_fmt_to_codec_tag(enum AVPixelFormat pix_fmt)
Return a value representing the fourCC code associated to the pixel format pix_fmt,...
struct AVCodecParser * next
@ SUBTITLE_ASS
Formatted text, the ass field must be set by the decoder and is authoritative.
@ AV_AUDIO_SERVICE_TYPE_NB
Not part of ABI.
@ AV_CODEC_ID_DSD_MSBF_PLANAR
attribute_deprecated int frame_bits
enum AVColorPrimaries color_primaries
int skip_top
Number of macroblock rows at the top which are skipped.
uint8_t max_lowres
maximum value for lowres supported by the decoder
int avcodec_enum_to_chroma_pos(int *xpos, int *ypos, enum AVChromaLocation pos)
Converts AVChromaLocation to swscale x/y chroma position.
int64_t offset
byte offset from starting packet start
attribute_deprecated int av_packet_split_side_data(AVPacket *pkt)
int(* encode_sub)(AVCodecContext *, uint8_t *buf, int buf_size, const struct AVSubtitle *sub)
int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt, enum AVPixelFormat src_pix_fmt, int has_alpha)
attribute_deprecated int pre_me
attribute_deprecated int prediction_method
int key_frame
Set by parser to 1 for key frames and 0 for non-key frames.
enum AVDiscard skip_idct
Skip IDCT/dequantization for selected frames.
float i_quant_factor
qscale factor between P- and I-frames If > 0 then the last P-frame quantizer will be used (q = lastp_...
int av_codec_is_encoder(const AVCodec *codec)
int av_bsf_alloc(const AVBitStreamFilter *filter, AVBSFContext **ctx)
Allocate a context for a given bitstream filter.
int av_packet_add_side_data(AVPacket *pkt, enum AVPacketSideDataType type, uint8_t *data, size_t size)
Wrap an existing array as a packet side data.
const struct AVCodec * codec
enum AVDiscard skip_frame
Skip decoding for selected frames.
int bits_per_raw_sample
This is the number of valid bits in each output sample.
enum AVSampleFormat * sample_fmts
array of supported sample formats, or NULL if unknown, array is terminated by -1
attribute_deprecated int64_t convergence_duration
int thread_count
thread count is used to decide how many independent tasks should be passed to execute()
uint8_t * av_packet_pack_dictionary(AVDictionary *dict, int *size)
Pack a dictionary for use in side_data.
@ AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX
The codec supports this format via the hw_frames_ctx interface.
void av_shrink_packet(AVPacket *pkt, int size)
Reduce packet size, correctly zeroing padding.
const char * bsfs
Decoding only, a comma-separated list of bitstream filters to apply to packets before decoding.
const char *const * mime_types
MIME type(s) associated with the codec.
int x
top left corner of pict, undefined when pict is not set
int initial_padding
Audio only.
int av_packet_shrink_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int size)
Shrink the already allocated side data buffer.
int refs
number of reference frames
int avcodec_default_execute2(AVCodecContext *c, int(*func)(AVCodecContext *c2, void *arg2, int, int), void *arg, int *ret, int count)
int width
width and height in 1/16 pel
@ AVDISCARD_NONE
discard nothing
int flags
AV_CODEC_FLAG_*.
int bit_rate_tolerance
number of bits the bitstream is allowed to diverge from the reference.
int dct_algo
DCT algorithm, see FF_DCT_* below.
AVCodecParserContext * av_parser_init(int codec_id)
struct AVBitStreamFilterContext * next
@ AV_PKT_DATA_DISPLAYMATRIX
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
AVCodecParameters * par_out
Parameters of the output stream.
attribute_deprecated int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
Copy the settings of the source AVCodecContext into the destination AVCodecContext.
@ AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
AVCodec * avcodec_find_encoder_by_name(const char *name)
Find a registered encoder with the specified name.
attribute_deprecated int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height)
@ AV_CODEC_ID_FFWAVESYNTH
char * ass
0 terminated ASS/SSA compatible event line.
int priv_data_size
Size of the private data to allocate in AVCodecInternal.hwaccel_priv_data.
attribute_deprecated void av_codec_set_codec_descriptor(AVCodecContext *avctx, const AVCodecDescriptor *desc)
const AVBitStreamFilter * av_bsf_get_by_name(const char *name)
void avsubtitle_free(AVSubtitle *sub)
Free all allocated data in the given subtitle struct.
@ AV_PKT_DATA_STRINGS_METADATA
A list of zero terminated key/value strings.
@ AV_LOCK_OBTAIN
Lock the mutex.
@ AV_CODEC_ID_DVB_SUBTITLE
@ AV_PKT_DATA_REPLAYGAIN
This side data should be associated with an audio stream and contains ReplayGain information in form ...
int(* get_buffer2)(struct AVCodecContext *s, AVFrame *frame, int flags)
This callback is called at the beginning of each frame to get data buffer(s) for it.
enum AVColorTransferCharacteristic color_trc
@ AV_CODEC_ID_ADPCM_SBPRO_2
const char * av_packet_side_data_name(enum AVPacketSideDataType type)
attribute_deprecated int p_count
@ AV_PICTURE_STRUCTURE_FRAME
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
int64_t cur_frame_end[AV_PARSER_PTS_NB]
const int * supported_samplerates
array of supported audio samplerates, or NULL if unknown, array is terminated by 0
@ AV_PKT_DATA_WEBVTT_SETTINGS
The optional settings (rendering instructions) that immediately follow the timestamp specifier of a W...
@ AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX
The codec supports this format via the hw_device_ctx interface.
int64_t pts_correction_num_faulty_pts
Current statistics for PTS correction.
struct AVCodecParser * parser
const AVClass * av_bsf_get_class(void)
Get the AVClass for AVBSFContext.
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
int(* alloc_frame)(AVCodecContext *avctx, AVFrame *frame)
Allocate a custom buffer.
@ AV_PKT_DATA_AUDIO_SERVICE_TYPE
This side data should be associated with an audio stream and corresponds to enum AVAudioServiceType.
int frame_size
Audio only.
int has_b_frames
Size of the frame reordering buffer in the decoder.
@ AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS
AVCodecContext * avcodec_alloc_context3(const AVCodec *codec)
Allocate an AVCodecContext and set its fields to default values.
@ AV_CODEC_ID_MPEG4SYSTEMS
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat)
const AVRational * supported_framerates
array of supported framerates, or NULL if any, array is terminated by {0,0}
@ AV_CODEC_ID_DSICINAUDIO
This struct describes the properties of a single codec described by an AVCodecID.
char * stats_in
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed he...
int av_new_packet(AVPacket *pkt, int size)
Allocate the payload of a packet and initialize its fields with default values.
int global_quality
Global quality for codecs which cannot change it per frame.
@ AV_PKT_DATA_STEREO3D
This side data should be associated with a video stream and contains Stereoscopic 3D information in f...
@ AV_PKT_DATA_MASTERING_DISPLAY_METADATA
Mastering display metadata (based on SMPTE-2086:2014).
int(* uninit)(AVCodecContext *avctx)
Uninitialize the hwaccel private data.
@ AV_CODEC_ID_ADPCM_IMA_EA_SEAD
AVRational sample_aspect_ratio
Video only.
attribute_deprecated int avpicture_alloc(AVPicture *picture, enum AVPixelFormat pix_fmt, int width, int height)
@ AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED
int y
top left corner of pict, undefined when pict is not set
int ticks_per_frame
For some codecs, the time base is closer to the field rate than the frame rate.
@ AV_CODEC_ID_ADPCM_IMA_DK3
int sub_text_format
Control the form of AVSubtitle.rects[N]->ass.
attribute_deprecated int mv_bits
int error_concealment
error concealment flags
int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
Return decoded output data from a decoder.
attribute_deprecated int av_dup_packet(AVPacket *pkt)
@ AV_CODEC_ID_ADPCM_IMA_APC
int thread_type
Which multithreading methods to use.
attribute_deprecated int brd_scale
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
@ AV_CODEC_ID_ADPCM_IMA_ISS
@ AV_CODEC_ID_BINKAUDIO_DCT
int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels, enum AVSampleFormat sample_fmt, const uint8_t *buf, int buf_size, int align)
Fill AVFrame audio data and linesize pointers.
@ AV_CODEC_ID_TIERTEXSEQVIDEO
int format
The format of the coded data, corresponds to enum AVPixelFormat for video and for enum AVSampleFormat...
AVRational time_base_in
The timebase used for the timestamps of the input packets.
const struct AVProfile * profiles
If non-NULL, an array of profiles recognized for this codec.
enum AVPixelFormat pix_fmt
A hardware pixel format which the codec can use.
int64_t pts
Same as packet pts, in AV_TIME_BASE.
static enum AVPixelFormat pix_fmt
void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int linesize_align[AV_NUM_DATA_POINTERS])
Modify width and height values so that they will result in a memory buffer that is acceptable for the...
int(* update_thread_context)(AVCodecContext *dst, const AVCodecContext *src)
Copy necessary context variables from a previous thread context to the current one.
int64_t max_pixels
The number of pixels per image to maximally accept.
attribute_deprecated void av_picture_copy(AVPicture *dst, const AVPicture *src, enum AVPixelFormat pix_fmt, int width, int height)
enum AVCodecID * codec_ids
A list of codec ids supported by the filter, terminated by AV_CODEC_ID_NONE.
const char * avcodec_get_name(enum AVCodecID id)
Get the name of a codec.
void av_bsf_free(AVBSFContext **ctx)
Free a bitstream filter context and everything associated with it; write NULL into the supplied point...
@ AV_CODEC_ID_ADPCM_IMA_SMJPEG
int(* decode_params)(AVCodecContext *avctx, int type, const uint8_t *buf, uint32_t buf_size)
Callback for parameter data (SPS/PPS/VPS etc).
int64_t rc_max_rate
maximum bitrate
uint64_t error[AV_NUM_DATA_POINTERS]
error
@ AV_CODEC_ID_WRAPPED_AVFRAME
Passthrough codec, AVFrames wrapped in AVPacket.
char * text
0 terminated plain UTF-8 text
This structure describes the bitrate properties of an encoded bitstream.
AVSideDataParamChangeFlags
@ AVDISCARD_BIDIR
discard all bidirectional frames
uint8_t * av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int size)
Allocate new information of a packet.
attribute_deprecated size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag)
Put a string representing the codec tag codec_tag in buf.
float p_masking
p block masking (0-> disabled)
uint8_t * av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type, int *size)
Get side information from packet.
const attribute_deprecated AVBitStreamFilter * av_bitstream_filter_next(const AVBitStreamFilter *f)
int(* init_thread_copy)(AVCodecContext *)
If defined, called on thread contexts when they are created.
@ AV_CODEC_ID_ARIB_CAPTION
int props
Codec properties, a combination of AV_CODEC_PROP_* flags.
int dts_ref_dts_delta
Offset of the current timestamp against last timestamp sync point in units of AVCodecContext....
int repeat_pict
This field is used for proper frame duration computation in lavf.
@ AV_PICTURE_STRUCTURE_BOTTOM_FIELD
int rc_buffer_size
decoder bitstream buffer size
char * sub_charenc
DTS of the last frame.
int avg_bitrate
Average bitrate of the stream, in bits per second.
@ AVDISCARD_ALL
discard all
const AVCodecDescriptor * avcodec_descriptor_next(const AVCodecDescriptor *prev)
Iterate over all codec descriptors known to libavcodec.
AVBufferRef * buf
A reference to the reference-counted buffer where the packet data is stored.
@ AV_CODEC_ID_ADPCM_EA_XAS
int w
width of pict, undefined when pict is not set
Describe the class of an AVClass context structure.
const AVClass * avcodec_get_class(void)
Get the AVClass for AVCodecContext.
attribute_deprecated int max_prediction_order
int apply_cropping
Video decoding only.
enum AVColorRange color_range
MPEG vs JPEG YUV range.
@ AV_CODEC_ID_INTERPLAY_VIDEO
void avcodec_parameters_free(AVCodecParameters **par)
Free an AVCodecParameters instance and everything associated with it and write NULL to the supplied p...
@ AV_CODEC_ID_ADPCM_YAMAHA
@ AV_CODEC_ID_ADPCM_IMA_WS
attribute_deprecated int i_tex_bits
int slice_flags
slice flags
AVBSFList * av_bsf_list_alloc(void)
Allocate empty list of bitstream filters.
void(* parser_close)(AVCodecParserContext *s)
attribute_deprecated int misc_bits
void avcodec_free_context(AVCodecContext **avctx)
Free the codec context and everything associated with it and write NULL to the provided pointer.
Rational number (pair of numerator and denominator).
@ AV_CODEC_ID_INTERPLAY_DPCM
@ AV_CODEC_ID_ADPCM_IMA_EA_EACS
float qblur
amount of qscale smoothing over time (0.0-1.0)
@ AV_CODEC_ID_WMALOSSLESS
@ AV_PICTURE_STRUCTURE_TOP_FIELD
@ AV_CODEC_ID_ADPCM_IMA_DK4
int64_t bit_rate
the average bitrate
enum AVPacketSideDataType type
int(* split)(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
@ AV_CODEC_ID_DVD_SUBTITLE
@ AV_CODEC_ID_MOTIONPIXELS
void(* close)(AVBSFContext *ctx)
int(* end_frame)(AVCodecContext *avctx)
Called at the end of each frame or field picture.
uint8_t * data[4]
data+linesize for the bitmap of this subtitle.
const AVProfile * profiles
array of recognized profiles, or NULL if unknown, array is terminated by {FF_PROFILE_UNKNOWN}
int trailing_padding
Audio only.
attribute_deprecated AVRational av_codec_get_pkt_timebase(const AVCodecContext *avctx)
Accessors for some AVCodecContext fields.
int avcodec_get_context_defaults3(AVCodecContext *s, const AVCodec *codec)
const AVClass * priv_class
A class for the private data, used to declare bitstream filter private AVOptions.
int ildct_cmp
interlaced DCT comparison function
attribute_deprecated int b_frame_strategy
attribute_deprecated int noise_reduction
const char * avcodec_license(void)
Return the libavcodec license.
@ AV_CODEC_ID_MPEG2TS
FAKE codec to indicate a raw MPEG-2 TS stream (only used by libavformat)
@ AV_CODEC_ID_ADPCM_IMA_AMV
float rc_min_vbv_overflow_use
Ratecontrol attempt to use, at least, times the amount needed to prevent a vbv overflow.
int avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
Initialize the AVCodecContext to use the given AVCodec.
unsigned avcodec_version(void)
Return the LIBAVCODEC_VERSION_INT constant.
@ AV_AUDIO_SERVICE_TYPE_MAIN
int me_cmp
motion estimation comparison function
enum AVPictureStructure picture_structure
Indicate whether a picture is coded as a frame, top field or bottom field.
attribute_deprecated int context_model
int trellis
trellis RD quantization
int(* receive_packet)(AVCodecContext *avctx, AVPacket *avpkt)
@ AV_PKT_DATA_SUBTITLE_POSITION
Subtitle event position.
int(* init)(AVCodecContext *)
int av_packet_ref(AVPacket *dst, const AVPacket *src)
Setup a new reference to the data described by a given packet.
@ AV_CODEC_ID_FIRST_UNKNOWN
A dummy ID pointing at the start of various fake codecs.
void av_packet_move_ref(AVPacket *dst, AVPacket *src)
Move every field in src to dst and reset src.
AVCPBProperties * av_cpb_properties_alloc(size_t *size)
Allocate a CPB properties structure and initialize its fields to default values.
int sample_rate
Audio only.
@ AV_CODEC_ID_PCM_S24LE_PLANAR
const AVClass * avcodec_get_subtitle_rect_class(void)
Get the AVClass for AVSubtitleRect.
attribute_deprecated int av_packet_merge_side_data(AVPacket *pkt)
@ AV_CODEC_ID_GSM
as in Berlin toast format
AVCodecID
Identify the syntax and semantics of the bitstream.
float temporal_cplx_masking
temporary complexity masking (0-> disabled)
int extradata_size
Size of the extradata content in bytes.
attribute_deprecated void av_register_bitstream_filter(AVBitStreamFilter *bsf)
@ AV_AUDIO_SERVICE_TYPE_KARAOKE
const AVClass * avcodec_get_frame_class(void)
Get the AVClass for AVFrame.
float qcompress
amount of qscale change between easy & hard scenes (0.0-1.0)
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.
int lowres
low resolution decoding, 1-> 1/2 size, 2->1/4 size
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
char * stats_out
pass1 encoding statistics output buffer
@ AVDISCARD_NONKEY
discard all frames except keyframes
int av_packet_from_data(AVPacket *pkt, uint8_t *data, int size)
Initialize a reference-counted packet from av_malloc()ed data.
attribute_deprecated uint64_t vbv_delay
VBV delay coded in the last frame (in periods of a 27 MHz clock).
int flags2
AV_CODEC_FLAG2_*.
attribute_deprecated void av_codec_set_lowres(AVCodecContext *avctx, int val)
void av_bsf_list_free(AVBSFList **lst)
Free list of bitstream filters.
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
void av_bsf_flush(AVBSFContext *ctx)
Reset the internal bitstream filter state / flush internal buffers.
@ AVDISCARD_DEFAULT
discard useless packets like 0 size packets in avi
int av_bsf_list_parse_str(const char *str, AVBSFContext **bsf)
Parse string describing list of bitstream filters and create single AVBSFContext describing the whole...
@ AV_CODEC_ID_ADPCM_IMA_RAD
const attribute_deprecated AVBitStreamFilter * av_bsf_next(void **opaque)
int64_t next_frame_offset
const char * av_get_profile_name(const AVCodec *codec, int profile)
Return a name for the specified profile, if available.
int64_t cur_frame_offset[AV_PARSER_PTS_NB]
attribute_deprecated int frame_skip_exp
enum AVSampleFormat sample_fmt
audio sample format
AVRational pkt_timebase
Timebase in which pkt_dts/pts and AVPacket.dts/pts are.
const AVCodecDefault * defaults
Private codec-specific defaults.
attribute_deprecated enum AVPixelFormat avcodec_find_best_pix_fmt2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2, enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
int width
Dimensions of the decoded video intended for presentation.
#define AV_NUM_DATA_POINTERS
attribute_deprecated int rtp_payload_size
int me_range
maximum motion estimation search range in subpel units If 0 then no limit.
int(* parser_parse)(AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
int profile
Codec-specific bitstream restrictions that the stream conforms to.
int skip_alpha
Skip processing alpha if supported by codec.
uint16_t * chroma_intra_matrix
custom intra quantization matrix
int skip_bottom
Number of macroblock rows at the bottom which are skipped.
int last_predictor_count
amount of previous MV predictors (2a+1 x 2a+1 square)
@ AV_PKT_DATA_H263_MB_INFO
An AV_PKT_DATA_H263_MB_INFO side data packet contains a number of structures with info about macroblo...
attribute_deprecated uint16_t * av_codec_get_chroma_intra_matrix(const AVCodecContext *avctx)
uint32_t end_display_time
void(* init_static_data)(struct AVCodec *codec)
Initialize codec static data, called from avcodec_register().
@ SUBTITLE_TEXT
Plain text, the text field must be set by the decoder and is authoritative.
int(* send_frame)(AVCodecContext *avctx, const AVFrame *frame)
Encode API with decoupled packet/frame dataflow.
#define attribute_deprecated
AVCodec * avcodec_find_decoder(enum AVCodecID id)
Find a registered decoder with a matching codec ID.
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed.
@ AV_CODEC_ID_COMFORT_NOISE
static void encode(AVCodecContext *ctx, AVFrame *frame, AVPacket *pkt, FILE *output)
int me_sub_cmp
subpixel motion estimation comparison function
int64_t pts_correction_num_faulty_dts
Number of incorrect PTS values so far.
attribute_deprecated void av_register_codec_parser(AVCodecParser *parser)
attribute_deprecated int coder_type
int64_t pts_correction_last_pts
Number of incorrect DTS values so far.
enum AVPixelFormat avcodec_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2, enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
int max_bitrate
Maximum bitrate of the stream, in bits per second.
int avcodec_default_execute(AVCodecContext *c, int(*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
enum AVSampleFormat request_sample_fmt
desired sample format
int av_bsf_list_finalize(AVBSFList **lst, AVBSFContext **bsf)
Finalize list of bitstream filters.
attribute_deprecated int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, enum AVPixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright, int *color)
attribute_deprecated int avcodec_encode_video2(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
Encode a frame of video.
@ AV_PKT_DATA_CONTENT_LIGHT_LEVEL
Content light level (based on CTA-861.3).
int av_packet_make_refcounted(AVPacket *pkt)
Ensure the data described by a given packet is reference counted.
int flags
A combination of AV_PKT_FLAG values.
AVPacket * av_packet_alloc(void)
Allocate an AVPacket and set its fields to default values.
enum AVDiscard skip_loop_filter
Skip loop filtering for selected frames.
int av_packet_unpack_dictionary(const uint8_t *data, int size, AVDictionary **dict)
Unpack a dictionary from side_data.
void av_packet_rescale_ts(AVPacket *pkt, AVRational tb_src, AVRational tb_dst)
Convert valid timing fields (timestamps / durations) in a packet from one timebase to another.
attribute_deprecated int i_count
struct AVCodecDefault AVCodecDefault
attribute_deprecated AVHWAccel * av_hwaccel_next(const AVHWAccel *hwaccel)
If hwaccel is NULL, returns the first registered hardware accelerator, if hwaccel is non-NULL,...
@ AV_LOCK_CREATE
Create a mutex.
attribute_deprecated void avpicture_free(AVPicture *picture)
@ AV_PKT_DATA_METADATA_UPDATE
A list of zero terminated key/value strings.
@ SUBTITLE_BITMAP
A bitmap, pict will be set.
attribute_deprecated int av_picture_crop(AVPicture *dst, const AVPicture *src, enum AVPixelFormat pix_fmt, int top_band, int left_band)
float b_quant_factor
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q...
int64_t cur_frame_pts[AV_PARSER_PTS_NB]
int channels
number of audio channels
int(* encode2)(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
Encode data to an AVPacket.
AVChromaLocation
Location of chroma samples.
int64_t cur_frame_pos[AV_PARSER_PTS_NB]
Position of the packet in file.
const char * name
Name of the hardware accelerated codec.
AVCodecParameters * avcodec_parameters_alloc(void)
Allocate a new AVCodecParameters and set its fields to default values (unknown/invalid/0).
uint64_t vbv_delay
The delay between the time the packet this structure is associated with is received and the time when...
@ AV_LOCK_DESTROY
Free mutex resources.
int bits_per_coded_sample
bits per sample/pixel from the demuxer (needed for huffyuv).
int avcodec_default_get_buffer2(AVCodecContext *s, AVFrame *frame, int flags)
The default callback for AVCodecContext.get_buffer2().
int avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
Supply raw packet data as input to a decoder.
@ AV_PKT_DATA_JP_DUALMONO
An AV_PKT_DATA_JP_DUALMONO side data packet indicates that the packet may contain "dual mono" audio s...
attribute_deprecated int64_t timecode_frame_start
int av_packet_copy_props(AVPacket *dst, const AVPacket *src)
Copy only "properties" fields from src to dst.
@ AV_CODEC_ID_ADPCM_EA_MAXIS_XA
int64_t pos
Byte position of currently parsed frame in stream.
attribute_deprecated int b_sensitivity
@ AV_CODEC_ID_FIRST_AUDIO
A dummy id pointing at the start of audio codecs.
@ AVDISCARD_NONINTRA
discard all non intra frames
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
unsigned properties
Properties of the stream that gets decoded.
attribute_deprecated void avcodec_register(AVCodec *codec)
Register the codec codec and initialize libavcodec.
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
int nb_colors
number of colors in pict, undefined when pict is not set
int(* decode_slice)(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size)
Callback for each slice.
attribute_deprecated AVCodec * av_codec_next(const AVCodec *c)
If c is NULL, returns the first registered codec, if c is non-NULL, returns the next registered codec...
attribute_deprecated void(* rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb)
const AVCodecDescriptor * avcodec_descriptor_get(enum AVCodecID id)
int avcodec_parameters_to_context(AVCodecContext *codec, const AVCodecParameters *par)
Fill the codec context based on the values from the supplied codec parameters.
@ AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED
int block_align
Audio only.
attribute_deprecated int av_codec_get_lowres(const AVCodecContext *avctx)
int intra_dc_precision
precision of the intra DC coefficient - 8
attribute_deprecated int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture, int *got_picture_ptr, const AVPacket *avpkt)
Decode the video frame of size avpkt->size from avpkt->data into picture.
AVColorSpace
YUV colorspace type.
@ AV_AUDIO_SERVICE_TYPE_EFFECTS
int cutoff
Audio cutoff bandwidth (0 means "automatic")
attribute_deprecated int frame_skip_cmp
int hwaccel_flags
Bit set of AV_HWACCEL_FLAG_* flags, which affect hardware accelerated decoding (if active).
@ AV_CODEC_ID_DSD_LSBF_PLANAR
@ AV_CODEC_ID_FIRST_SUBTITLE
A dummy ID pointing at the start of subtitle codecs.
@ AV_PKT_DATA_A53_CC
ATSC A53 Part 4 Closed Captions.
AVSampleFormat
Audio sample formats.
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
Same behaviour av_fast_malloc but the buffer has additional AV_INPUT_BUFFER_PADDING_SIZE at the end w...
int(* parser_init)(AVCodecParserContext *s)
int64_t pts_correction_last_dts
PTS of the last frame.
int dia_size
ME diamond size & shape.
uint8_t * dump_separator
dump format separator.
attribute_deprecated int header_bits
int(* filter)(AVBSFContext *ctx, AVPacket *pkt)
int mb_lmin
minimum MB Lagrange multiplier
int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
Return audio frame duration.
attribute_deprecated AVPicture pict
int idct_algo
IDCT algorithm, see FF_IDCT_* below.
const char * name
Name of the codec implementation.
AVBufferRef * hw_device_ctx
A reference to the AVHWDeviceContext describing the device which will be used by a hardware encoder/d...
@ AV_PKT_DATA_CPB_PROPERTIES
This side data corresponds to the AVCPBProperties struct.
@ AV_PKT_DATA_SKIP_SAMPLES
Recommmends skipping the specified number of samples.
enum AVChromaLocation chroma_sample_location
This defines the location of chroma samples.
enum AVColorRange color_range
Video only.
int(* decode)(AVCodecContext *, void *outdata, int *outdata_size, AVPacket *avpkt)
@ AV_CODEC_ID_ADPCM_IMA_DAT4
attribute_deprecated void av_register_hwaccel(AVHWAccel *hwaccel)
Register the hardware accelerator hwaccel.
@ AV_CODEC_ID_BETHSOFTVID
int min_bitrate
Minimum bitrate of the stream, in bits per second.
AVRational time_base_out
The timebase used for the timestamps of the output packets.
int avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame)
Supply a raw video or audio frame to the encoder.
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
AVCodecParserContext * parser
attribute_deprecated void av_bitstream_filter_close(AVBitStreamFilterContext *bsf)
const AVCodec * av_codec_iterate(void **opaque)
Iterate over all registered codecs.
enum AVFieldOrder field_order
Video only.
int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
AVBufferRef * hw_frames_ctx
A reference to the AVHWFramesContext describing the input (for encoding) or output (decoding) frames.
attribute_deprecated void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift)
int sub_charenc_mode
Subtitles character encoding mode.
void * priv_data
Opaque filter-specific private data.
void(* decode_mb)(struct MpegEncContext *s)
Called for every Macroblock in a slice.
int avcodec_get_hw_frames_parameters(AVCodecContext *avctx, AVBufferRef *device_ref, enum AVPixelFormat hw_pix_fmt, AVBufferRef **out_frames_ref)
Create and return a AVHWFramesContext with values adequate for hardware decoding.
@ AV_CODEC_HW_CONFIG_METHOD_INTERNAL
The codec supports this format by some internal method.
int caps_internal
Internal codec capabilities.
int h
height of pict, undefined when pict is not set
int block_align
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs.
void avcodec_flush_buffers(AVCodecContext *avctx)
Reset the internal decoder state / flush internal buffers.
const struct AVCodecHWConfigInternal ** hw_configs
Array of pointers to hardware configurations supported by the codec, or NULL if no hardware supported...
int buffer_size
The size of the buffer to which the ratecontrol is applied, in bits.
int strict_std_compliance
strictly follow the standard (MPEG-4, ...).
attribute_deprecated int avpicture_layout(const AVPicture *src, enum AVPixelFormat pix_fmt, int width, int height, unsigned char *dest, int dest_size)
void * opaque
Private data of the user, can be used to carry app specific stuff.
@ AV_CODEC_ID_WESTWOOD_SND1
AVPacketSideData * side_data
Additional packet data that can be provided by the container.
@ AV_CODEC_ID_TEXT
raw UTF-8 text
attribute_deprecated int refcounted_frames
If non-zero, the decoded audio and video frames returned from avcodec_decode_video2() and avcodec_dec...
void(* draw_horiz_band)(struct AVCodecContext *s, const AVFrame *src, int offset[AV_NUM_DATA_POINTERS], int y, int type, int height)
If non NULL, 'draw_horiz_band' is called by the libavcodec decoder to draw a horizontal band.
enum AVChromaLocation chroma_location
attribute_deprecated int scenechange_threshold
@ AV_AUDIO_SERVICE_TYPE_COMMENTARY
int trailing_padding
Audio only.
attribute_deprecated int av_codec_get_seek_preroll(const AVCodecContext *avctx)
int max_qdiff
maximum quantizer difference between frames
AVCodec * avcodec_find_decoder_by_name(const char *name)
Find a registered decoder with the specified name.
float dark_masking
darkness masking (0-> disabled)
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
main external API structure.
int active_thread_type
Which multithreading methods are in use by the codec.
const AVCodecDescriptor * codec_descriptor
AVCodecDescriptor.
enum AVFieldOrder field_order
int(* execute)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size)
The codec may call this to execute several independent things.
@ AV_CODEC_ID_ADPCM_G726LE
int av_bsf_init(AVBSFContext *ctx)
Prepare the filter for use, after all the parameters and options have been set.
@ AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT
attribute_deprecated int av_copy_packet(AVPacket *dst, const AVPacket *src)
Copy packet, including contents.
int qmin
minimum quantizer
@ AV_PKT_DATA_NEW_EXTRADATA
The AV_PKT_DATA_NEW_EXTRADATA is used to notify the codec or the format that the extradata buffer was...
enum AVCodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be)
Return the PCM codec associated with a sample format.
int frame_priv_data_size
Size of per-frame hardware accelerator private data.
void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size)
Same behaviour av_fast_padded_malloc except that buffer will always be 0-initialized after call.
int av_packet_make_writable(AVPacket *pkt)
Create a writable reference for the data described by a given packet, avoiding data copy if possible.
struct AVDictionary AVDictionary
float spatial_cplx_masking
spatial complexity masking (0-> disabled)
@ AV_CODEC_ID_ADPCM_EA_R1
float i_quant_offset
qscale offset between P and I-frames
int discard_damaged_percentage
The percentage of damaged samples to discard a frame.
int av_bsf_receive_packet(AVBSFContext *ctx, AVPacket *pkt)
Retrieve a filtered packet.
@ AV_CODEC_ID_ADPCM_EA_R2
int mb_lmax
maximum MB Lagrange multiplier
int av_get_audio_frame_duration2(AVCodecParameters *par, int frame_bytes)
This function is the same as av_get_audio_frame_duration(), except it works with AVCodecParameters in...
@ AV_CODEC_ID_PROBE
codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it
enum AVChromaLocation avcodec_chroma_pos_to_enum(int xpos, int ypos)
Converts swscale x/y chroma position to AVChromaLocation.
const AVCodecHWConfig * avcodec_get_hw_config(const AVCodec *codec, int index)
Retrieve supported hardware configurations for a codec.
int pre_dia_size
ME prepass diamond size & shape.
char * args
Internal default arguments, used if NULL is passed to av_bitstream_filter_filter().
int(* start_frame)(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size)
Called at the beginning of each frame or field picture.
const struct AVBitStreamFilter * filter
The bitstream filter this context is an instance of.
int(* close)(AVCodecContext *)
int coded_width
Bitstream width / height, may be different from width/height e.g.
enum AVMediaType codec_type
int seek_preroll
Number of samples to skip after a discontinuity.
int av_parser_parse2(AVCodecParserContext *s, AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int64_t pts, int64_t dts, int64_t pos)
Parse a packet.
int bits_per_coded_sample
The number of bits per sample in the codedwords.
int max_b_frames
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 re...
A reference to a data buffer.
@ AV_CODEC_ID_ADPCM_SBPRO_4
@ AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL
Data found in BlockAdditional element of matroska container.
int(* receive_frame)(AVCodecContext *avctx, AVFrame *frame)
Decode API with decoupled packet/frame dataflow.
int video_delay
Video only.
int frame_number
Frame counter, set by libavcodec.
float rc_max_available_vbv_use
Ratecontrol attempt to use, at maximum, of what can be used without an underflow.
@ AV_CODEC_ID_PCM_S24DAUD
attribute_deprecated int chromaoffset
@ AV_AUDIO_SERVICE_TYPE_DIALOGUE
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
int av_parser_change(AVCodecParserContext *s, AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe)
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
int slices
Number of slices.
This structure stores compressed data.
void(* flush)(AVCodecContext *)
Flush buffers.
@ AV_CODEC_ID_ADPCM_IMA_WAV
int64_t last_pos
Previous frame byte position.
uint16_t * inter_matrix
custom inter quantization matrix Must be allocated with the av_malloc() family of functions,...
attribute_deprecated int avpicture_fill(AVPicture *picture, const uint8_t *ptr, enum AVPixelFormat pix_fmt, int width, int height)
int(* frame_params)(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
Fill the given hw_frames context with current codec parameters.
int64_t pos
byte position in stream, -1 if unknown
int rc_override_count
ratecontrol override, see RcOverride
attribute_deprecated int av_copy_packet_side_data(AVPacket *dst, const AVPacket *src)
Copy packet side data.
@ AV_PKT_DATA_FALLBACK_TRACK
This side data contains an integer value representing the stream index of a "fallback" track.
uint64_t channel_layout
Audio only.
int64_t reordered_opaque
opaque 64-bit number (generally a PTS) that will be reordered and output in AVFrame....
const char * avcodec_configuration(void)
Return the libavcodec build-time configuration.
int(* init)(AVBSFContext *ctx)
attribute_deprecated int linesize[AV_NUM_DATA_POINTERS]
number of bytes per line
@ AV_CODEC_ID_PCM_S8_PLANAR
int width
picture width / height.
attribute_deprecated int me_penalty_compensation
attribute_deprecated int min_prediction_order
@ AV_PKT_DATA_QUALITY_STATS
This side data contains quality related information from the encoder.
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
@ AV_CODEC_ID_BRENDER_PIX
int av_bsf_list_append2(AVBSFList *lst, const char *bsf_name, AVDictionary **options)
Construct new bitstream filter context given it's name and options and append it to the list of bitst...
@ AV_CODEC_ID_HDMV_TEXT_SUBTITLE
@ AV_PKT_DATA_WEBVTT_IDENTIFIER
The optional first identifier line of a WebVTT cue.
enum AVPixelFormat sw_pix_fmt
Nominal unaccelerated pixel format, see AV_PIX_FMT_xxx.
int64_t cur_frame_dts[AV_PARSER_PTS_NB]
void(* flush)(AVBSFContext *ctx)
char * codec_whitelist
',' separated list of allowed decoders.
@ AVDISCARD_NONREF
discard all non reference
@ AV_CODEC_ID_BINKAUDIO_RDFT
AVColorRange
Visual content value range.
@ AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
attribute_deprecated int frame_skip_factor
int initial_padding
Audio only.
int(* execute2)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count)
The codec may call this to execute several independent things.
@ AV_CODEC_ID_GREMLIN_DPCM
enum AVHWDeviceType device_type
The device type associated with the configuration.
enum AVPixelFormat pix_fmt
Supported pixel format.
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel.
const uint64_t * channel_layouts
array of support channel layouts, or NULL if unknown. array is terminated by 0
uint32_t start_display_time
const AVCodecDescriptor * avcodec_descriptor_get_by_name(const char *name)
int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src)
Copy the contents of src to dst.
struct AVBSFList AVBSFList
Structure for chain/list of bitstream filters.
void av_parser_close(AVCodecParserContext *s)
AVPacket * av_packet_clone(const AVPacket *src)
Create a new packet that references the same data as src.
attribute_deprecated AVBitStreamFilterContext * av_bitstream_filter_init(const char *name)
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
@ AV_CODEC_ID_ADPCM_SBPRO_3
@ AV_CODEC_ID_SCTE_35
Contain timestamp estimated through PCR of program stream.
enum AVCodecID id
Codec implemented by the hardware accelerator.
attribute_deprecated int side_data_only_packets
Encoding only and set by default.