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avcodec.h File Reference


Detailed Description

external API header

Definition in file avcodec.h.

#include <errno.h>
#include "libavutil/avutil.h"

Go to the source code of this file.

Classes

struct  AVBitStreamFilter
struct  AVBitStreamFilterContext
struct  AVCodec
struct  AVCodecContext
struct  AVCodecParser
struct  AVCodecParserContext
struct  AVFrame
struct  AVHWAccel
struct  AVPacket
struct  AVPaletteControl
struct  AVPanScan
struct  AVPicture
struct  AVSubtitle
struct  AVSubtitleRect
struct  RcOverride

Defines

#define AV_NOPTS_VALUE   INT64_C(0x8000000000000000)
#define AV_PARSER_PTS_NB   4
#define AV_PKT_FLAG_KEY   0x0001
#define AV_TIME_BASE   1000000
#define AV_TIME_BASE_Q   (AVRational){1, AV_TIME_BASE}
#define AVCODEC_MAX_AUDIO_FRAME_SIZE   192000
#define AVPALETTE_COUNT   256
#define AVPALETTE_SIZE   1024
#define CH_BACK_CENTER   0x00000100
#define CH_BACK_LEFT   0x00000010
#define CH_BACK_RIGHT   0x00000020
#define CH_FRONT_CENTER   0x00000004
#define CH_FRONT_LEFT   0x00000001
#define CH_FRONT_LEFT_OF_CENTER   0x00000040
#define CH_FRONT_RIGHT   0x00000002
#define CH_FRONT_RIGHT_OF_CENTER   0x00000080
#define CH_LAYOUT_2_1   (CH_LAYOUT_STEREO|CH_BACK_CENTER)
#define CH_LAYOUT_2_2   (CH_LAYOUT_STEREO|CH_SIDE_LEFT|CH_SIDE_RIGHT)
#define CH_LAYOUT_4POINT0   (CH_LAYOUT_SURROUND|CH_BACK_CENTER)
#define CH_LAYOUT_5POINT0   (CH_LAYOUT_SURROUND|CH_SIDE_LEFT|CH_SIDE_RIGHT)
#define CH_LAYOUT_5POINT0_BACK   (CH_LAYOUT_SURROUND|CH_BACK_LEFT|CH_BACK_RIGHT)
#define CH_LAYOUT_5POINT1   (CH_LAYOUT_5POINT0|CH_LOW_FREQUENCY)
#define CH_LAYOUT_5POINT1_BACK   (CH_LAYOUT_5POINT0_BACK|CH_LOW_FREQUENCY)
#define CH_LAYOUT_7POINT0   (CH_LAYOUT_5POINT0|CH_BACK_LEFT|CH_BACK_RIGHT)
#define CH_LAYOUT_7POINT1   (CH_LAYOUT_5POINT1|CH_BACK_LEFT|CH_BACK_RIGHT)
#define CH_LAYOUT_7POINT1_WIDE
#define CH_LAYOUT_MONO   (CH_FRONT_CENTER)
#define CH_LAYOUT_NATIVE   0x8000000000000000LL
#define CH_LAYOUT_QUAD   (CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT)
#define CH_LAYOUT_STEREO   (CH_FRONT_LEFT|CH_FRONT_RIGHT)
#define CH_LAYOUT_STEREO_DOWNMIX   (CH_STEREO_LEFT|CH_STEREO_RIGHT)
#define CH_LAYOUT_SURROUND   (CH_LAYOUT_STEREO|CH_FRONT_CENTER)
#define CH_LOW_FREQUENCY   0x00000008
#define CH_SIDE_LEFT   0x00000200
#define CH_SIDE_RIGHT   0x00000400
#define CH_STEREO_LEFT   0x20000000
 Stereo downmix.
#define CH_STEREO_RIGHT   0x40000000
 See CH_STEREO_LEFT.
#define CH_TOP_BACK_CENTER   0x00010000
#define CH_TOP_BACK_LEFT   0x00008000
#define CH_TOP_BACK_RIGHT   0x00020000
#define CH_TOP_CENTER   0x00000800
#define CH_TOP_FRONT_CENTER   0x00002000
#define CH_TOP_FRONT_LEFT   0x00001000
#define CH_TOP_FRONT_RIGHT   0x00004000
#define CODEC_CAP_DELAY   0x0020
#define CODEC_CAP_DR1   0x0002
#define CODEC_CAP_DRAW_HORIZ_BAND   0x0001
 Decoder can use draw_horiz_band callback.
#define CODEC_CAP_FRAME_THREADS   0x0200
#define CODEC_CAP_HWACCEL   0x0010
#define CODEC_CAP_HWACCEL_VDPAU   0x0080
#define CODEC_CAP_PARSE_ONLY   0x0004
#define CODEC_CAP_SMALL_LAST_FRAME   0x0040
#define CODEC_CAP_SUBFRAMES   0x0100
#define CODEC_CAP_TRUNCATED   0x0008
#define CODEC_FLAG2_8X8DCT   0x00000080
 H.264 high profile 8x8 transform.
#define CODEC_FLAG2_AUD   0x00000200
 H.264 access unit delimiters.
#define CODEC_FLAG2_BIT_RESERVOIR   0x00020000
 Use a bit reservoir when encoding if possible.
#define CODEC_FLAG2_BPYRAMID   0x00000010
 H.264 allow B-frames to be used as references.
#define CODEC_FLAG2_BRDO   0x00000400
 B-frame rate-distortion optimization.
#define CODEC_FLAG2_CHUNKS   0x00008000
 Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries.
#define CODEC_FLAG2_DROP_FRAME_TIMECODE   0x00002000
 timecode is in drop frame format.
#define CODEC_FLAG2_FAST   0x00000001
 Allow non spec compliant speedup tricks.
#define CODEC_FLAG2_FASTPSKIP   0x00000100
 H.264 fast pskip.
#define CODEC_FLAG2_INTRA_VLC   0x00000800
 Use MPEG-2 intra VLC table.
#define CODEC_FLAG2_LOCAL_HEADER   0x00000008
 Place global headers at every keyframe instead of in extradata.
#define CODEC_FLAG2_MBTREE   0x00040000
 Use macroblock tree ratecontrol (x264 only).
#define CODEC_FLAG2_MEMC_ONLY   0x00001000
 Only do ME/MC (I frames -> ref, P frame -> ME+MC).
#define CODEC_FLAG2_MIXED_REFS   0x00000040
 H.264 one reference per partition, as opposed to one reference per macroblock.
#define CODEC_FLAG2_NO_OUTPUT   0x00000004
 Skip bitstream encoding.
#define CODEC_FLAG2_NON_LINEAR_QUANT   0x00010000
 Use MPEG-2 nonlinear quantizer.
#define CODEC_FLAG2_PSY   0x00080000
 Use psycho visual optimizations.
#define CODEC_FLAG2_SKIP_RD   0x00004000
 RD optimal MB level residual skipping.
#define CODEC_FLAG2_SSIM   0x00100000
 Compute SSIM during encoding, error[] values are undefined.
#define CODEC_FLAG2_STRICT_GOP   0x00000002
 Strictly enforce GOP size.
#define CODEC_FLAG2_WPRED   0x00000020
 H.264 weighted biprediction for B-frames.
#define CODEC_FLAG_4MV   0x0004
 4 MV per MB allowed / advanced prediction for H.263.
#define CODEC_FLAG_AC_PRED   0x01000000
 H.263 advanced intra coding / MPEG-4 AC prediction.
#define CODEC_FLAG_ALT_SCAN   0x00100000
 Use alternate scan.
#define CODEC_FLAG_BITEXACT   0x00800000
 Use only bitexact stuff (except (I)DCT).
#define CODEC_FLAG_CBP_RD   0x04000000
 Use rate distortion optimization for cbp.
#define CODEC_FLAG_CLOSED_GOP   0x80000000
#define CODEC_FLAG_EMU_EDGE   0x4000
 Don't draw edges.
#define CODEC_FLAG_EXTERN_HUFF   0x1000
 Use external Huffman table (for MJPEG).
#define CODEC_FLAG_GLOBAL_HEADER   0x00400000
 Place global headers in extradata instead of every keyframe.
#define CODEC_FLAG_GMC   0x0020
 Use GMC.
#define CODEC_FLAG_GRAY   0x2000
 Only decode/encode grayscale.
#define CODEC_FLAG_H263P_AIV   0x00000008
 H.263 alternative inter VLC.
#define CODEC_FLAG_H263P_SLICE_STRUCT   0x10000000
#define CODEC_FLAG_H263P_UMV   0x02000000
 unlimited motion vector
#define CODEC_FLAG_INPUT_PRESERVED   0x0100
#define CODEC_FLAG_INTERLACED_DCT   0x00040000
 Use interlaced DCT.
#define CODEC_FLAG_INTERLACED_ME   0x20000000
 interlaced motion estimation
#define CODEC_FLAG_LOOP_FILTER   0x00000800
 loop filter
#define CODEC_FLAG_LOW_DELAY   0x00080000
 Force low delay.
#define CODEC_FLAG_MV0   0x0040
 Always try a MB with MV=<0,0>.
#define CODEC_FLAG_NORMALIZE_AQP   0x00020000
 Normalize adaptive quantization.
#define CODEC_FLAG_OBMC   0x00000001
 OBMC.
#define CODEC_FLAG_PART   0x0080
 Use data partitioning.
#define CODEC_FLAG_PASS1   0x0200
 Use internal 2pass ratecontrol in first pass mode.
#define CODEC_FLAG_PASS2   0x0400
 Use internal 2pass ratecontrol in second pass mode.
#define CODEC_FLAG_PSNR   0x8000
 error[?] variables will be set during encoding.
#define CODEC_FLAG_QP_RD   0x08000000
 Use rate distortion optimization for qp selectioon.
#define CODEC_FLAG_QPEL   0x0010
 Use qpel MC.
#define CODEC_FLAG_QSCALE   0x0002
 Use fixed qscale.
#define CODEC_FLAG_SVCD_SCAN_OFFSET   0x40000000
 Will reserve space for SVCD scan offset user data.
#define CODEC_FLAG_TRUNCATED   0x00010000
#define FF_AA_AUTO   0
#define FF_AA_FASTINT   1
#define FF_AA_FLOAT   3
#define FF_AA_INT   2
#define FF_ALPHA_SEMI_TRANSP   0x0002
#define FF_ALPHA_TRANSP   0x0001
#define FF_ASPECT_EXTENDED   15
#define FF_B_TYPE   3
 Bi-dir predicted.
#define FF_BI_TYPE   7
#define FF_BUFFER_HINTS_PRESERVE   0x04
#define FF_BUFFER_HINTS_READABLE   0x02
#define FF_BUFFER_HINTS_REUSABLE   0x08
#define FF_BUFFER_HINTS_VALID   0x01
#define FF_BUFFER_TYPE_COPY   8
 Just a (modified) copy of some other buffer, don't deallocate anything.
#define FF_BUFFER_TYPE_INTERNAL   1
#define FF_BUFFER_TYPE_SHARED   4
 Buffer from somewhere else; don't deallocate image (data/base), all other tables are not shared.
#define FF_BUFFER_TYPE_USER   2
 direct rendering buffers (image is (de)allocated by user)
#define FF_BUG_AC_VLC   0
 Will be removed, libavcodec can now handle these non-compliant files by default.
#define FF_BUG_AMV   32
#define FF_BUG_AUTODETECT   1
 autodetection
#define FF_BUG_DC_CLIP   4096
#define FF_BUG_DIRECT_BLOCKSIZE   512
#define FF_BUG_EDGE   1024
#define FF_BUG_HPEL_CHROMA   2048
#define FF_BUG_MS   8192
 Work around various bugs in Microsoft's broken decoders.
#define FF_BUG_NO_PADDING   16
#define FF_BUG_OLD_MSMPEG4   2
#define FF_BUG_QPEL_CHROMA   64
#define FF_BUG_QPEL_CHROMA2   256
#define FF_BUG_STD_QPEL   128
#define FF_BUG_TRUNCATED   16384
#define FF_BUG_UMP4   8
#define FF_BUG_XVID_ILACE   4
#define FF_CMP_BIT   5
#define FF_CMP_CHROMA   256
#define FF_CMP_DCT   3
#define FF_CMP_DCT264   14
#define FF_CMP_DCTMAX   13
#define FF_CMP_NSSE   10
#define FF_CMP_PSNR   4
#define FF_CMP_RD   6
#define FF_CMP_SAD   0
#define FF_CMP_SATD   2
#define FF_CMP_SSE   1
#define FF_CMP_VSAD   8
#define FF_CMP_VSSE   9
#define FF_CMP_W53   11
#define FF_CMP_W97   12
#define FF_CMP_ZERO   7
#define FF_CODER_TYPE_AC   1
#define FF_CODER_TYPE_DEFLATE   4
#define FF_CODER_TYPE_RAW   2
#define FF_CODER_TYPE_RLE   3
#define FF_CODER_TYPE_VLC   0
#define FF_COMMON_FRAME
#define FF_COMPLIANCE_EXPERIMENTAL   -2
 Allow nonstandardized experimental things.
#define FF_COMPLIANCE_INOFFICIAL   -1
 Allow inofficial extensions.
#define FF_COMPLIANCE_NORMAL   0
#define FF_COMPLIANCE_STRICT   1
 Strictly conform to all the things in the spec no matter what consequences.
#define FF_COMPLIANCE_VERY_STRICT   2
 Strictly conform to a older more strict version of the spec or reference software.
#define FF_COMPRESSION_DEFAULT   -1
#define FF_DCT_ALTIVEC   5
#define FF_DCT_AUTO   0
#define FF_DCT_FAAN   6
#define FF_DCT_FASTINT   1
#define FF_DCT_INT   2
#define FF_DCT_MLIB   4
#define FF_DCT_MMX   3
#define FF_DEBUG_BITSTREAM   4
#define FF_DEBUG_BUFFERS   0x00008000
#define FF_DEBUG_BUGS   0x00001000
#define FF_DEBUG_DCT_COEFF   0x00000040
#define FF_DEBUG_ER   0x00000400
#define FF_DEBUG_MB_TYPE   8
#define FF_DEBUG_MMCO   0x00000800
#define FF_DEBUG_MV   32
#define FF_DEBUG_PICT_INFO   1
#define FF_DEBUG_PTS   0x00000200
#define FF_DEBUG_QP   16
#define FF_DEBUG_RC   2
#define FF_DEBUG_SKIP   0x00000080
#define FF_DEBUG_STARTCODE   0x00000100
#define FF_DEBUG_THREADS   0x00010000
#define FF_DEBUG_VIS_MB_TYPE   0x00004000
#define FF_DEBUG_VIS_MV_B_BACK   0x00000004
#define FF_DEBUG_VIS_MV_B_FOR   0x00000002
#define FF_DEBUG_VIS_MV_P_FOR   0x00000001
#define FF_DEBUG_VIS_QP   0x00002000
#define FF_DEFAULT_QUANT_BIAS   999999
#define FF_DTG_AFD_14_9   11
#define FF_DTG_AFD_16_9   10
#define FF_DTG_AFD_16_9_SP_14_9   14
#define FF_DTG_AFD_4_3   9
#define FF_DTG_AFD_4_3_SP_14_9   13
#define FF_DTG_AFD_SAME   8
#define FF_DTG_AFD_SP_4_3   15
#define FF_EC_DEBLOCK   2
#define FF_EC_GUESS_MVS   1
#define FF_ER_AGGRESSIVE   3
#define FF_ER_CAREFUL   1
#define FF_ER_COMPLIANT   2
#define FF_ER_VERY_AGGRESSIVE   4
#define FF_I_TYPE   1
 Intra.
#define FF_IDCT_ALTIVEC   8
#define FF_IDCT_ARM   7
#define FF_IDCT_AUTO   0
#define FF_IDCT_BINK   24
#define FF_IDCT_CAVS   15
#define FF_IDCT_EA   21
#define FF_IDCT_FAAN   20
#define FF_IDCT_H264   11
#define FF_IDCT_INT   1
#define FF_IDCT_IPP   13
#define FF_IDCT_LIBMPEG2MMX   4
#define FF_IDCT_MLIB   6
#define FF_IDCT_PS2   5
#define FF_IDCT_SH4   9
#define FF_IDCT_SIMPLE   2
#define FF_IDCT_SIMPLEALPHA   23
#define FF_IDCT_SIMPLEARM   10
#define FF_IDCT_SIMPLEARMV5TE   16
#define FF_IDCT_SIMPLEARMV6   17
#define FF_IDCT_SIMPLEMMX   3
#define FF_IDCT_SIMPLENEON   22
#define FF_IDCT_SIMPLEVIS   18
#define FF_IDCT_VP3   12
#define FF_IDCT_WMV2   19
#define FF_IDCT_XVIDMMX   14
#define FF_INPUT_BUFFER_PADDING_SIZE   8
#define FF_LAMBDA_MAX   (256*128-1)
#define FF_LAMBDA_SCALE   (1<<FF_LAMBDA_SHIFT)
#define FF_LAMBDA_SHIFT   7
#define FF_LEVEL_UNKNOWN   -99
#define FF_LOSS_ALPHA   0x0008
#define FF_LOSS_CHROMA   0x0020
#define FF_LOSS_COLORQUANT   0x0010
#define FF_LOSS_COLORSPACE   0x0004
#define FF_LOSS_DEPTH   0x0002
#define FF_LOSS_RESOLUTION   0x0001
#define FF_MAX_B_FRAMES   16
#define FF_MB_DECISION_BITS   1
 chooses the one which needs the fewest bits
#define FF_MB_DECISION_RD   2
 rate distortion
#define FF_MB_DECISION_SIMPLE   0
 uses mb_cmp
#define FF_MIN_BUFFER_SIZE   16384
#define FF_MM_3DNOW   0x0004
 AMD 3DNOW.
#define FF_MM_3DNOWEXT   0x0020
 AMD 3DNowExt.
#define FF_MM_ALTIVEC   0x0001
 standard AltiVec
#define FF_MM_FORCE   0x80000000
#define FF_MM_IWMMXT   0x0100
 XScale IWMMXT.
#define FF_MM_MMX   0x0001
 standard MMX
#define FF_MM_MMX2   0x0002
 SSE integer functions or AMD MMX ext.
#define FF_MM_MMXEXT   0x0002
 SSE integer functions or AMD MMX ext.
#define FF_MM_SSE   0x0008
 SSE functions.
#define FF_MM_SSE2   0x0010
 PIV SSE2 functions.
#define FF_MM_SSE3   0x0040
 Prescott SSE3 functions.
#define FF_MM_SSE4   0x0100
 Penryn SSE4.1 functions.
#define FF_MM_SSE42   0x0200
 Nehalem SSE4.2 functions.
#define FF_MM_SSSE3   0x0080
 Conroe SSSE3 functions.
#define FF_P_TYPE   2
 Predicted.
#define FF_PRED_LEFT   0
#define FF_PRED_MEDIAN   2
#define FF_PRED_PLANE   1
#define FF_PROFILE_AAC_LOW   1
#define FF_PROFILE_AAC_LTP   3
#define FF_PROFILE_AAC_MAIN   0
#define FF_PROFILE_AAC_SSR   2
#define FF_PROFILE_H264_BASELINE   66
#define FF_PROFILE_H264_CAVLC_444   44
#define FF_PROFILE_H264_EXTENDED   88
#define FF_PROFILE_H264_HIGH   100
#define FF_PROFILE_H264_HIGH_10   110
#define FF_PROFILE_H264_HIGH_422   122
#define FF_PROFILE_H264_HIGH_444   244
#define FF_PROFILE_H264_MAIN   77
#define FF_PROFILE_UNKNOWN   -99
#define FF_QP2LAMBDA   118
 factor to convert from H.263 QP to lambda
#define FF_QSCALE_TYPE_H264   2
#define FF_QSCALE_TYPE_MPEG1   0
#define FF_QSCALE_TYPE_MPEG2   1
#define FF_QSCALE_TYPE_VP56   3
#define FF_QUALITY_SCALE   FF_LAMBDA_SCALE
#define FF_RC_STRATEGY_XVID   1
#define FF_S_TYPE   4
 S(GMC)-VOP MPEG4.
#define FF_SI_TYPE   5
 Switching Intra.
#define FF_SP_TYPE   6
 Switching Predicted.
#define FF_THREAD_FRAME   1
#define FF_THREAD_SLICE   2
#define LIBAVCODEC_BUILD   LIBAVCODEC_VERSION_INT
#define LIBAVCODEC_IDENT   "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
#define LIBAVCODEC_VERSION
#define LIBAVCODEC_VERSION_INT
#define LIBAVCODEC_VERSION_MAJOR   52
#define LIBAVCODEC_VERSION_MICRO   0
#define LIBAVCODEC_VERSION_MINOR   62
#define MB_TYPE_16x16   0x0008
#define MB_TYPE_16x8   0x0010
#define MB_TYPE_8x16   0x0020
#define MB_TYPE_8x8   0x0040
#define MB_TYPE_ACPRED   0x0200
#define MB_TYPE_CBP   0x00020000
#define MB_TYPE_DIRECT2   0x0100
#define MB_TYPE_GMC   0x0400
#define MB_TYPE_INTERLACED   0x0080
#define MB_TYPE_INTRA16x16   0x0002
#define MB_TYPE_INTRA4x4   0x0001
#define MB_TYPE_INTRA_PCM   0x0004
#define MB_TYPE_L0   (MB_TYPE_P0L0 | MB_TYPE_P1L0)
#define MB_TYPE_L0L1   (MB_TYPE_L0 | MB_TYPE_L1)
#define MB_TYPE_L1   (MB_TYPE_P0L1 | MB_TYPE_P1L1)
#define MB_TYPE_P0L0   0x1000
#define MB_TYPE_P0L1   0x4000
#define MB_TYPE_P1L0   0x2000
#define MB_TYPE_P1L1   0x8000
#define MB_TYPE_QUANT   0x00010000
#define MB_TYPE_SKIP   0x0800
#define PARSER_FLAG_COMPLETE_FRAMES   0x0001
#define PKT_FLAG_KEY   AV_PKT_FLAG_KEY
#define SLICE_FLAG_ALLOW_FIELD   0x0002
 allow draw_horiz_band() with field slices (MPEG2 field pics)
#define SLICE_FLAG_ALLOW_PLANE   0x0004
 allow draw_horiz_band() with 1 component at a time (SVQ1)
#define SLICE_FLAG_CODED_ORDER   0x0001
 draw_horiz_band() is called in coded order instead of display
#define X264_PART_B8X8   0x100
#define X264_PART_I4X4   0x001
#define X264_PART_I8X8   0x002
#define X264_PART_P4X4   0x020
#define X264_PART_P8X8   0x010

Typedefs

typedef struct AVPaletteControl attribute_deprecated
typedef struct ReSampleContext ReSampleContext

Enumerations

enum  AVChromaLocation {
  AVCHROMA_LOC_UNSPECIFIED = 0, AVCHROMA_LOC_LEFT = 1, AVCHROMA_LOC_CENTER = 2, AVCHROMA_LOC_TOPLEFT = 3,
  AVCHROMA_LOC_TOP = 4, AVCHROMA_LOC_BOTTOMLEFT = 5, AVCHROMA_LOC_BOTTOM = 6, AVCHROMA_LOC_NB
}
enum  AVColorPrimaries {
  AVCOL_PRI_BT709 = 1, AVCOL_PRI_UNSPECIFIED = 2, AVCOL_PRI_BT470M = 4, AVCOL_PRI_BT470BG = 5,
  AVCOL_PRI_SMPTE170M = 6, AVCOL_PRI_SMPTE240M = 7, AVCOL_PRI_FILM = 8, AVCOL_PRI_NB
}
enum  AVColorRange { AVCOL_RANGE_UNSPECIFIED = 0, AVCOL_RANGE_MPEG = 1, AVCOL_RANGE_JPEG = 2, AVCOL_RANGE_NB }
enum  AVColorSpace {
  AVCOL_SPC_RGB = 0, AVCOL_SPC_BT709 = 1, AVCOL_SPC_UNSPECIFIED = 2, AVCOL_SPC_FCC = 4,
  AVCOL_SPC_BT470BG = 5, AVCOL_SPC_SMPTE170M = 6, AVCOL_SPC_SMPTE240M = 7, AVCOL_SPC_NB
}
enum  AVColorTransferCharacteristic {
  AVCOL_TRC_BT709 = 1, AVCOL_TRC_UNSPECIFIED = 2, AVCOL_TRC_GAMMA22 = 4, AVCOL_TRC_GAMMA28 = 5,
  AVCOL_TRC_NB
}
enum  AVDiscard {
  AVDISCARD_NONE = -16, AVDISCARD_DEFAULT = 0, AVDISCARD_NONREF = 8, AVDISCARD_BIDIR = 16,
  AVDISCARD_NONKEY = 32, AVDISCARD_ALL = 48
}
enum  AVLockOp { AV_LOCK_CREATE, AV_LOCK_OBTAIN, AV_LOCK_RELEASE, AV_LOCK_DESTROY }
enum  AVSubtitleType { SUBTITLE_NONE, SUBTITLE_BITMAP, SUBTITLE_TEXT, SUBTITLE_ASS }
enum  CodecID {
  CODEC_ID_NONE, CODEC_ID_MPEG1VIDEO, CODEC_ID_MPEG2VIDEO, CODEC_ID_MPEG2VIDEO_XVMC,
  CODEC_ID_H261, CODEC_ID_H263, CODEC_ID_RV10, CODEC_ID_RV20,
  CODEC_ID_MJPEG, CODEC_ID_MJPEGB, CODEC_ID_LJPEG, CODEC_ID_SP5X,
  CODEC_ID_JPEGLS, CODEC_ID_MPEG4, CODEC_ID_RAWVIDEO, CODEC_ID_MSMPEG4V1,
  CODEC_ID_MSMPEG4V2, CODEC_ID_MSMPEG4V3, CODEC_ID_WMV1, CODEC_ID_WMV2,
  CODEC_ID_H263P, CODEC_ID_H263I, CODEC_ID_FLV1, CODEC_ID_SVQ1,
  CODEC_ID_SVQ3, CODEC_ID_DVVIDEO, CODEC_ID_HUFFYUV, CODEC_ID_CYUV,
  CODEC_ID_H264, CODEC_ID_INDEO3, CODEC_ID_VP3, CODEC_ID_THEORA,
  CODEC_ID_ASV1, CODEC_ID_ASV2, CODEC_ID_FFV1, CODEC_ID_4XM,
  CODEC_ID_VCR1, CODEC_ID_CLJR, CODEC_ID_MDEC, CODEC_ID_ROQ,
  CODEC_ID_INTERPLAY_VIDEO, CODEC_ID_XAN_WC3, CODEC_ID_XAN_WC4, CODEC_ID_RPZA,
  CODEC_ID_CINEPAK, CODEC_ID_WS_VQA, CODEC_ID_MSRLE, CODEC_ID_MSVIDEO1,
  CODEC_ID_IDCIN, CODEC_ID_8BPS, CODEC_ID_SMC, CODEC_ID_FLIC,
  CODEC_ID_TRUEMOTION1, CODEC_ID_VMDVIDEO, CODEC_ID_MSZH, CODEC_ID_ZLIB,
  CODEC_ID_QTRLE, CODEC_ID_SNOW, CODEC_ID_TSCC, CODEC_ID_ULTI,
  CODEC_ID_QDRAW, CODEC_ID_VIXL, CODEC_ID_QPEG, CODEC_ID_XVID,
  CODEC_ID_PNG, CODEC_ID_PPM, CODEC_ID_PBM, CODEC_ID_PGM,
  CODEC_ID_PGMYUV, CODEC_ID_PAM, CODEC_ID_FFVHUFF, CODEC_ID_RV30,
  CODEC_ID_RV40, CODEC_ID_VC1, CODEC_ID_WMV3, CODEC_ID_LOCO,
  CODEC_ID_WNV1, CODEC_ID_AASC, CODEC_ID_INDEO2, CODEC_ID_FRAPS,
  CODEC_ID_TRUEMOTION2, CODEC_ID_BMP, CODEC_ID_CSCD, CODEC_ID_MMVIDEO,
  CODEC_ID_ZMBV, CODEC_ID_AVS, CODEC_ID_SMACKVIDEO, CODEC_ID_NUV,
  CODEC_ID_KMVC, CODEC_ID_FLASHSV, CODEC_ID_CAVS, CODEC_ID_JPEG2000,
  CODEC_ID_VMNC, CODEC_ID_VP5, CODEC_ID_VP6, CODEC_ID_VP6F,
  CODEC_ID_TARGA, CODEC_ID_DSICINVIDEO, CODEC_ID_TIERTEXSEQVIDEO, CODEC_ID_TIFF,
  CODEC_ID_GIF, CODEC_ID_FFH264, CODEC_ID_DXA, CODEC_ID_DNXHD,
  CODEC_ID_THP, CODEC_ID_SGI, CODEC_ID_C93, CODEC_ID_BETHSOFTVID,
  CODEC_ID_PTX, CODEC_ID_TXD, CODEC_ID_VP6A, CODEC_ID_AMV,
  CODEC_ID_VB, CODEC_ID_PCX, CODEC_ID_SUNRAST, CODEC_ID_INDEO4,
  CODEC_ID_INDEO5, CODEC_ID_MIMIC, CODEC_ID_RL2, CODEC_ID_8SVX_EXP,
  CODEC_ID_8SVX_FIB, CODEC_ID_ESCAPE124, CODEC_ID_DIRAC, CODEC_ID_BFI,
  CODEC_ID_CMV, CODEC_ID_MOTIONPIXELS, CODEC_ID_TGV, CODEC_ID_TGQ,
  CODEC_ID_TQI, CODEC_ID_AURA, CODEC_ID_AURA2, CODEC_ID_V210X,
  CODEC_ID_TMV, CODEC_ID_V210, CODEC_ID_DPX, CODEC_ID_MAD,
  CODEC_ID_FRWU, CODEC_ID_FLASHSV2, CODEC_ID_CDGRAPHICS, CODEC_ID_R210,
  CODEC_ID_ANM, CODEC_ID_BINKVIDEO, CODEC_ID_IFF_ILBM, CODEC_ID_IFF_BYTERUN1,
  CODEC_ID_KGV1, CODEC_ID_PCM_S16LE = 0x10000, CODEC_ID_PCM_S16BE, CODEC_ID_PCM_U16LE,
  CODEC_ID_PCM_U16BE, CODEC_ID_PCM_S8, CODEC_ID_PCM_U8, CODEC_ID_PCM_MULAW,
  CODEC_ID_PCM_ALAW, CODEC_ID_PCM_S32LE, CODEC_ID_PCM_S32BE, CODEC_ID_PCM_U32LE,
  CODEC_ID_PCM_U32BE, CODEC_ID_PCM_S24LE, CODEC_ID_PCM_S24BE, CODEC_ID_PCM_U24LE,
  CODEC_ID_PCM_U24BE, CODEC_ID_PCM_S24DAUD, CODEC_ID_PCM_ZORK, CODEC_ID_PCM_S16LE_PLANAR,
  CODEC_ID_PCM_DVD, CODEC_ID_PCM_F32BE, CODEC_ID_PCM_F32LE, CODEC_ID_PCM_F64BE,
  CODEC_ID_PCM_F64LE, CODEC_ID_PCM_BLURAY, CODEC_ID_ADPCM_IMA_QT = 0x11000, CODEC_ID_ADPCM_IMA_WAV,
  CODEC_ID_ADPCM_IMA_DK3, CODEC_ID_ADPCM_IMA_DK4, CODEC_ID_ADPCM_IMA_WS, CODEC_ID_ADPCM_IMA_SMJPEG,
  CODEC_ID_ADPCM_MS, CODEC_ID_ADPCM_4XM, CODEC_ID_ADPCM_XA, CODEC_ID_ADPCM_ADX,
  CODEC_ID_ADPCM_EA, CODEC_ID_ADPCM_G726, CODEC_ID_ADPCM_CT, CODEC_ID_ADPCM_SWF,
  CODEC_ID_ADPCM_YAMAHA, CODEC_ID_ADPCM_SBPRO_4, CODEC_ID_ADPCM_SBPRO_3, CODEC_ID_ADPCM_SBPRO_2,
  CODEC_ID_ADPCM_THP, CODEC_ID_ADPCM_IMA_AMV, CODEC_ID_ADPCM_EA_R1, CODEC_ID_ADPCM_EA_R3,
  CODEC_ID_ADPCM_EA_R2, CODEC_ID_ADPCM_IMA_EA_SEAD, CODEC_ID_ADPCM_IMA_EA_EACS, CODEC_ID_ADPCM_EA_XAS,
  CODEC_ID_ADPCM_EA_MAXIS_XA, CODEC_ID_ADPCM_IMA_ISS, CODEC_ID_AMR_NB = 0x12000, CODEC_ID_AMR_WB,
  CODEC_ID_RA_144 = 0x13000, CODEC_ID_RA_288, CODEC_ID_ROQ_DPCM = 0x14000, CODEC_ID_INTERPLAY_DPCM,
  CODEC_ID_XAN_DPCM, CODEC_ID_SOL_DPCM, CODEC_ID_MP2 = 0x15000, CODEC_ID_MP3,
  CODEC_ID_AAC, CODEC_ID_AC3, CODEC_ID_DTS, CODEC_ID_VORBIS,
  CODEC_ID_DVAUDIO, CODEC_ID_WMAV1, CODEC_ID_WMAV2, CODEC_ID_MACE3,
  CODEC_ID_MACE6, CODEC_ID_VMDAUDIO, CODEC_ID_SONIC, CODEC_ID_SONIC_LS,
  CODEC_ID_FLAC, CODEC_ID_MP3ADU, CODEC_ID_MP3ON4, CODEC_ID_SHORTEN,
  CODEC_ID_ALAC, CODEC_ID_WESTWOOD_SND1, CODEC_ID_GSM, CODEC_ID_QDM2,
  CODEC_ID_COOK, CODEC_ID_TRUESPEECH, CODEC_ID_TTA, CODEC_ID_SMACKAUDIO,
  CODEC_ID_QCELP, CODEC_ID_WAVPACK, CODEC_ID_DSICINAUDIO, CODEC_ID_IMC,
  CODEC_ID_MUSEPACK7, CODEC_ID_MLP, CODEC_ID_GSM_MS, CODEC_ID_ATRAC3,
  CODEC_ID_VOXWARE, CODEC_ID_APE, CODEC_ID_NELLYMOSER, CODEC_ID_MUSEPACK8,
  CODEC_ID_SPEEX, CODEC_ID_WMAVOICE, CODEC_ID_WMAPRO, CODEC_ID_WMALOSSLESS,
  CODEC_ID_ATRAC3P, CODEC_ID_EAC3, CODEC_ID_SIPR, CODEC_ID_MP1,
  CODEC_ID_TWINVQ, CODEC_ID_TRUEHD, CODEC_ID_MP4ALS, CODEC_ID_ATRAC1,
  CODEC_ID_BINKAUDIO_RDFT, CODEC_ID_BINKAUDIO_DCT, CODEC_ID_DVD_SUBTITLE = 0x17000, CODEC_ID_DVB_SUBTITLE,
  CODEC_ID_TEXT, CODEC_ID_XSUB, CODEC_ID_SSA, CODEC_ID_MOV_TEXT,
  CODEC_ID_HDMV_PGS_SUBTITLE, CODEC_ID_DVB_TELETEXT, CODEC_ID_TTF = 0x18000, CODEC_ID_PROBE = 0x19000,
  CODEC_ID_MPEG2TS = 0x20000
}
enum  CodecType {
  CODEC_TYPE_UNKNOWN = -1, CODEC_TYPE_VIDEO, CODEC_TYPE_AUDIO, CODEC_TYPE_DATA,
  CODEC_TYPE_SUBTITLE, CODEC_TYPE_ATTACHMENT, CODEC_TYPE_NB
}
enum  Motion_Est_ID {
  ME_ZERO = 1, ME_FULL, ME_LOG, ME_PHODS,
  ME_EPZS, ME_X1, ME_HEX, ME_UMH,
  ME_ITER, ME_TESA
}
enum  SampleFormat {
  SAMPLE_FMT_NONE = -1, SAMPLE_FMT_U8, SAMPLE_FMT_S16, SAMPLE_FMT_S32,
  SAMPLE_FMT_FLT, SAMPLE_FMT_DBL, SAMPLE_FMT_NB
}

Functions

int audio_resample (ReSampleContext *s, short *output, short *input, int nb_samples)
void audio_resample_close (ReSampleContext *s)
attribute_deprecated
ReSampleContext * 
audio_resample_init (int output_channels, int input_channels, int output_rate, int input_rate)
ReSampleContext * av_audio_resample_init (int output_channels, int input_channels, int output_rate, int input_rate, enum SampleFormat sample_fmt_out, enum SampleFormat sample_fmt_in, int filter_length, int log2_phase_count, int linear, double cutoff)
void av_bitstream_filter_close (AVBitStreamFilterContext *bsf)
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)
AVBitStreamFilterContext * av_bitstream_filter_init (const char *name)
AVBitStreamFilter * av_bitstream_filter_next (AVBitStreamFilter *f)
AVCodecav_codec_next (AVCodec *c)
void av_destruct_packet (AVPacket *pkt)
attribute_deprecated void av_destruct_packet_nofree (AVPacket *pkt)
int av_dup_packet (AVPacket *pkt)
void av_fast_malloc (void *ptr, unsigned int *size, unsigned int min_size)
void * av_fast_realloc (void *ptr, unsigned int *size, unsigned int min_size)
void av_free_packet (AVPacket *pkt)
int av_get_bits_per_sample (enum CodecID codec_id)
int av_get_bits_per_sample_format (enum SampleFormat sample_fmt)
char av_get_pict_type_char (int pict_type)
AVHWAccelav_hwaccel_next (AVHWAccel *hwaccel)
void av_init_packet (AVPacket *pkt)
int av_lockmgr_register (int(*cb)(void **mutex, enum AVLockOp op))
void av_log_ask_for_sample (void *avc, const char *msg)
void av_log_missing_feature (void *avc, const char *feature, int want_sample)
int av_new_packet (AVPacket *pkt, int size)
int av_parse_video_frame_rate (AVRational *frame_rate, const char *str)
int av_parse_video_frame_size (int *width_ptr, int *height_ptr, const char *str)
int av_parser_change (AVCodecParserContext *s, AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe)
void av_parser_close (AVCodecParserContext *s)
AVCodecParserContext * av_parser_init (int codec_id)
AVCodecParser * av_parser_next (AVCodecParser *c)
attribute_deprecated int av_parser_parse (AVCodecParserContext *s, AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int64_t pts, int64_t dts)
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)
void av_picture_copy (AVPicture *dst, const AVPicture *src, enum PixelFormat pix_fmt, int width, int height)
int av_picture_crop (AVPicture *dst, const AVPicture *src, enum PixelFormat pix_fmt, int top_band, int left_band)
int av_picture_pad (AVPicture *dst, const AVPicture *src, int height, int width, enum PixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright, int *color)
void av_register_bitstream_filter (AVBitStreamFilter *bsf)
void av_register_codec_parser (AVCodecParser *parser)
void av_register_hwaccel (AVHWAccel *hwaccel)
int av_resample (struct AVResampleContext *c, short *dst, short *src, int *consumed, int src_size, int dst_size, int update_ctx)
void av_resample_close (struct AVResampleContext *c)
void av_resample_compensate (struct AVResampleContext *c, int sample_delta, int compensation_distance)
struct AVResampleContext * av_resample_init (int out_rate, int in_rate, int filter_length, int log2_phase_count, int linear, double cutoff)
void av_shrink_packet (AVPacket *pkt, int size)
unsigned int av_xiphlacing (unsigned char *s, unsigned int v)
void avcodec_align_dimensions (AVCodecContext *s, int *width, int *height)
void avcodec_align_dimensions2 (AVCodecContext *s, int *width, int *height, int linesize_align[4])
AVCodecContextavcodec_alloc_context (void)
AVCodecContextavcodec_alloc_context2 (enum CodecType)
AVFrameavcodec_alloc_frame (void)
int avcodec_check_dimensions (void *av_log_ctx, unsigned int w, unsigned int h)
int avcodec_close (AVCodecContext *avctx)
const char * avcodec_configuration (void)
attribute_deprecated int avcodec_decode_audio2 (AVCodecContext *avctx, int16_t *samples, int *frame_size_ptr, const uint8_t *buf, int buf_size)
int avcodec_decode_audio3 (AVCodecContext *avctx, int16_t *samples, int *frame_size_ptr, AVPacket *avpkt)
attribute_deprecated int avcodec_decode_subtitle (AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, const uint8_t *buf, int buf_size)
int avcodec_decode_subtitle2 (AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, AVPacket *avpkt)
attribute_deprecated int avcodec_decode_video (AVCodecContext *avctx, AVFrame *picture, int *got_picture_ptr, const uint8_t *buf, int buf_size)
int avcodec_decode_video2 (AVCodecContext *avctx, AVFrame *picture, int *got_picture_ptr, AVPacket *avpkt)
int avcodec_default_execute (AVCodecContext *c, int(*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
int avcodec_default_execute2 (AVCodecContext *c, int(*func)(AVCodecContext *c2, void *arg2, int, int), void *arg, int *ret, int count)
void avcodec_default_free_buffers (AVCodecContext *s)
int avcodec_default_get_buffer (AVCodecContext *s, AVFrame *pic)
enum PixelFormat avcodec_default_get_format (struct AVCodecContext *s, const enum PixelFormat *fmt)
int avcodec_default_reget_buffer (AVCodecContext *s, AVFrame *pic)
void avcodec_default_release_buffer (AVCodecContext *s, AVFrame *pic)
int avcodec_encode_audio (AVCodecContext *avctx, uint8_t *buf, int buf_size, const short *samples)
int avcodec_encode_subtitle (AVCodecContext *avctx, uint8_t *buf, int buf_size, const AVSubtitle *sub)
int avcodec_encode_video (AVCodecContext *avctx, uint8_t *buf, int buf_size, const AVFrame *pict)
enum PixelFormat avcodec_find_best_pix_fmt (int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
AVCodecavcodec_find_decoder (enum CodecID id)
AVCodecavcodec_find_decoder_by_name (const char *name)
AVCodecavcodec_find_encoder (enum CodecID id)
AVCodecavcodec_find_encoder_by_name (const char *name)
void avcodec_flush_buffers (AVCodecContext *avctx)
void avcodec_get_chroma_sub_sample (enum PixelFormat pix_fmt, int *h_shift, int *v_shift)
void avcodec_get_context_defaults (AVCodecContext *s)
void avcodec_get_context_defaults2 (AVCodecContext *s, enum CodecType)
void avcodec_get_frame_defaults (AVFrame *pic)
attribute_deprecated enum
PixelFormat 
avcodec_get_pix_fmt (const char *name)
int avcodec_get_pix_fmt_loss (enum PixelFormat dst_pix_fmt, enum PixelFormat src_pix_fmt, int has_alpha)
const char * avcodec_get_pix_fmt_name (enum PixelFormat pix_fmt)
void avcodec_init (void)
const char * avcodec_license (void)
int avcodec_open (AVCodecContext *avctx, AVCodec *codec)
int avcodec_parse_frame (AVCodecContext *avctx, uint8_t **pdata, int *data_size_ptr, uint8_t *buf, int buf_size)
void avcodec_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt)
unsigned int avcodec_pix_fmt_to_codec_tag (enum PixelFormat pix_fmt)
void avcodec_register (AVCodec *codec)
void avcodec_register_all (void)
void avcodec_set_dimensions (AVCodecContext *s, int width, int height)
void avcodec_string (char *buf, int buf_size, AVCodecContext *enc, int encode)
void avcodec_thread_free (AVCodecContext *s)
int avcodec_thread_init (AVCodecContext *s, int thread_count)
unsigned avcodec_version (void)
int avpicture_alloc (AVPicture *picture, enum PixelFormat pix_fmt, int width, int height)
int avpicture_deinterlace (AVPicture *dst, const AVPicture *src, enum PixelFormat pix_fmt, int width, int height)
int avpicture_fill (AVPicture *picture, uint8_t *ptr, enum PixelFormat pix_fmt, int width, int height)
void avpicture_free (AVPicture *picture)
int avpicture_get_size (enum PixelFormat pix_fmt, int width, int height)
int avpicture_layout (const AVPicture *src, enum PixelFormat pix_fmt, int width, int height, unsigned char *dest, int dest_size)
int img_get_alpha_info (const AVPicture *src, enum PixelFormat pix_fmt, int width, int height)
attribute_deprecated void register_avcodec (AVCodec *codec)


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