avformat

package
v0.0.0-...-6bf952d Latest Latest
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 Go to latest Published: Jan 25, 2019 License: MIT Imports: 7 Imported by: 9

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Constants

This section is empty.

Variables

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var (
	ErrAllocationError     = errors.New("allocation error")
	ErrInvalidArgumentSize = errors.New("invalid argument size")
)

Functions

func FormatNumberedSequence 

func FormatNumberedSequence(format string, num int) (string, error)

func NumberedSequenceFormat 

func NumberedSequenceFormat(format string) bool

func RegisterAll 

func RegisterAll()

func Version 

func Version() (int, int, int)

Types

type AvoidFlags 

type AvoidFlags int
const (
	AvoidFlagNegTSAuto            AvoidFlags = C.AVFMT_AVOID_NEG_TS_AUTO
	AvoidFlagNegTSMakeNonNegative AvoidFlags = C.AVFMT_AVOID_NEG_TS_MAKE_NON_NEGATIVE
	AvoidFlagNegTSMakeZero        AvoidFlags = C.AVFMT_AVOID_NEG_TS_MAKE_ZERO
)

type CodecTagList 

type CodecTagList struct {
	CAVCodecTag **C.struct_AVCodecTag
}

func NewCodecTagListFromC 

func NewCodecTagListFromC(cCodecTag unsafe.Pointer) *CodecTagList

func (*CodecTagList) IDByTag 

func (ctm *CodecTagList) IDByTag(tag uint) avcodec.CodecID

func (*CodecTagList) TagByID 

func (ctm *CodecTagList) TagByID(id avcodec.CodecID) uint

type Context 

type Context struct {
	CAVFormatContext *C.AVFormatContext
}

func NewContextForInput 

func NewContextForInput() (*Context, error)

func NewContextForOutput 

func NewContextForOutput(output *Output) (*Context, error)

func NewContextFromC 

func NewContextFromC(cCtx unsafe.Pointer) *Context

func (*Context) AudioCodecID 

func (ctx *Context) AudioCodecID() avcodec.CodecID

func (*Context) BitRate 

func (ctx *Context) BitRate() int64

func (*Context) Class 

func (ctx *Context) Class() *avutil.Class

func (*Context) CloseInput 

func (ctx *Context) CloseInput()

func (*Context) DataCodecID 

func (ctx *Context) DataCodecID() avcodec.CodecID

func (*Context) Dump 

func (ctx *Context) Dump(streamIndex int, url string, isOutput bool)

func (*Context) Duration 

func (ctx *Context) Duration() int64

func (*Context) ExtraFlags 

func (ctx *Context) ExtraFlags() ContextExtraFlags

func (*Context) FileName 

func (ctx *Context) FileName() string

func (*Context) FindStreamInfo 

func (ctx *Context) FindStreamInfo(options []*avutil.Dictionary) error

func (*Context) Flags 

func (ctx *Context) Flags() ContextFlags

func (*Context) Free 

func (ctx *Context) Free()

func (*Context) GuessFrameRate 

func (ctx *Context) GuessFrameRate(stream *Stream, frame *avutil.Frame) *avutil.Rational

func (*Context) IOCloseCallback 

func (ctx *Context) IOCloseCallback() unsafe.Pointer

func (*Context) IOContext 

func (ctx *Context) IOContext() *IOContext

func (*Context) IOOpenCallback 

func (ctx *Context) IOOpenCallback() unsafe.Pointer

func (*Context) Input 

func (ctx *Context) Input() *Input

func (*Context) InterleavedWriteFrame 

func (ctx *Context) InterleavedWriteFrame(pkt *avcodec.Packet) error

func (*Context) MaxDelay 

func (ctx *Context) MaxDelay() int

func (*Context) MetaData 

func (ctx *Context) MetaData() *avutil.Dictionary

func (*Context) NewStream 

func (ctx *Context) NewStream() (*Stream, error)

func (*Context) NewStreamWithCodec 

func (ctx *Context) NewStreamWithCodec(codec *avcodec.Codec) (*Stream, error)

func (*Context) NumberOfStreams 

func (ctx *Context) NumberOfStreams() uint

func (*Context) OpenInput 

func (ctx *Context) OpenInput(fileName string, input *Input, options *avutil.Dictionary) error

func (*Context) Output 

func (ctx *Context) Output() *Output

func (*Context) ReadFrame 

func (ctx *Context) ReadFrame(pkt *avcodec.Packet) (bool, error)

func (*Context) SeekToTimestamp 

func (ctx *Context) SeekToTimestamp(streamIndex int, min, target, max int64, flags SeekFlags) error

func (*Context) SetDuration 

func (ctx *Context) SetDuration(duration int64)

func (*Context) SetFileName 

func (ctx *Context) SetFileName(fileName string)

func (*Context) SetFlags 

func (ctx *Context) SetFlags(flags ContextFlags)

func (*Context) SetIOCloseCallback 

func (ctx *Context) SetIOCloseCallback(callback unsafe.Pointer)

func (*Context) SetIOContext 

func (ctx *Context) SetIOContext(ioCtx *IOContext)

func (*Context) SetIOOpenCallback 

func (ctx *Context) SetIOOpenCallback(callback unsafe.Pointer)

func (*Context) SetMaxDelay 

func (ctx *Context) SetMaxDelay(maxDelay int)

func (*Context) SetMetaData 

func (ctx *Context) SetMetaData(metaData *avutil.Dictionary)

func (*Context) StartTime 

func (ctx *Context) StartTime() int64

func (*Context) Streams 

func (ctx *Context) Streams() []*Stream

func (*Context) SubtitleCodecID 

func (ctx *Context) SubtitleCodecID() avcodec.CodecID

func (*Context) VideoCodecID 

func (ctx *Context) VideoCodecID() avcodec.CodecID

func (*Context) WriteFrame 

func (ctx *Context) WriteFrame(pkt *avcodec.Packet) error

func (*Context) WriteHeader 

func (ctx *Context) WriteHeader(options *avutil.Dictionary) error

func (*Context) WriteTrailer 

func (ctx *Context) WriteTrailer() error

type ContextExtraFlags 

type ContextExtraFlags int
const (
	ContextExtraFlagNoHeader ContextExtraFlags = C.AVFMTCTX_NOHEADER
)

type ContextFlags 

type ContextFlags int
const (
	ContextFlagGenPTS         ContextFlags = C.AVFMT_FLAG_GENPTS
	ContextFlagIgnoreIndex    ContextFlags = C.AVFMT_FLAG_IGNIDX
	ContextFlagNonBlock       ContextFlags = C.AVFMT_FLAG_NONBLOCK
	ContextFlagIgnoreDTS      ContextFlags = C.AVFMT_FLAG_IGNDTS
	ContextFlagNoFillin       ContextFlags = C.AVFMT_FLAG_NOFILLIN
	ContextFlagNoParse        ContextFlags = C.AVFMT_FLAG_NOPARSE
	ContextFlagNoBuffer       ContextFlags = C.AVFMT_FLAG_NOBUFFER
	ContextFlagCustomIO       ContextFlags = C.AVFMT_FLAG_CUSTOM_IO
	ContextFlagDiscardCorrupt ContextFlags = C.AVFMT_FLAG_DISCARD_CORRUPT
	ContextFlagFlushPackets   ContextFlags = C.AVFMT_FLAG_FLUSH_PACKETS
	ContextFlagBitExact       ContextFlags = C.AVFMT_FLAG_BITEXACT
	ContextFlagMP4ALATM       ContextFlags = C.AVFMT_FLAG_MP4A_LATM
	ContextFlagSortDTS        ContextFlags = C.AVFMT_FLAG_SORT_DTS
	ContextFlagPrivOpt        ContextFlags = C.AVFMT_FLAG_PRIV_OPT
	ContextFlagKeepSideData   ContextFlags = C.AVFMT_FLAG_KEEP_SIDE_DATA
	ContextFlagFastSeek       ContextFlags = C.GO_AVFMT_FLAG_FAST_SEEK
)

type Disposition 

type Disposition int
const (
	DispositionDefault         Disposition = C.AV_DISPOSITION_DEFAULT
	DispositionDub             Disposition = C.AV_DISPOSITION_DUB
	DispositionOriginal        Disposition = C.AV_DISPOSITION_ORIGINAL
	DispositionComment         Disposition = C.AV_DISPOSITION_COMMENT
	DispositionLyrics          Disposition = C.AV_DISPOSITION_LYRICS
	DispositionKaraoke         Disposition = C.AV_DISPOSITION_KARAOKE
	DispositionForced          Disposition = C.AV_DISPOSITION_FORCED
	DispositionHearingImpaired Disposition = C.AV_DISPOSITION_HEARING_IMPAIRED
	DispositionVisualImpaired  Disposition = C.AV_DISPOSITION_VISUAL_IMPAIRED
	DispositionCleanEffects    Disposition = C.AV_DISPOSITION_CLEAN_EFFECTS
	DispositionAttachedPic     Disposition = C.AV_DISPOSITION_ATTACHED_PIC
	DispositionCaptions        Disposition = C.AV_DISPOSITION_CAPTIONS
	DispositionDescriptions    Disposition = C.AV_DISPOSITION_DESCRIPTIONS
	DispositionMetadata        Disposition = C.AV_DISPOSITION_METADATA
)

type EventFlags 

type EventFlags int
const (
	EventFlagMetadataUpdated EventFlags = C.AVFMT_EVENT_FLAG_METADATA_UPDATED
)

type Flags 

type Flags int
const (
	FlagNoFile       Flags = C.AVFMT_NOFILE
	FlagNeedNumber   Flags = C.AVFMT_NEEDNUMBER
	FlagShowIDs      Flags = C.AVFMT_SHOW_IDS
	FlagRawPicture   Flags = C.AVFMT_RAWPICTURE
	FlagGlobalHeader Flags = C.AVFMT_GLOBALHEADER
	FlagNoTimestamps Flags = C.AVFMT_NOTIMESTAMPS
	FlagGenericIndex Flags = C.AVFMT_GENERIC_INDEX
	FlagTSDiscont    Flags = C.AVFMT_TS_DISCONT
	FlagVariableFPS  Flags = C.AVFMT_VARIABLE_FPS
	FlagNoDimensions Flags = C.AVFMT_NODIMENSIONS
	FlagNoStreams    Flags = C.AVFMT_NOSTREAMS
	FlagNoBinSearch  Flags = C.AVFMT_NOBINSEARCH
	FlagNoGenSearch  Flags = C.AVFMT_NOGENSEARCH
	FlagNoByteSeek   Flags = C.AVFMT_NO_BYTE_SEEK
	FlagAllowFlush   Flags = C.AVFMT_ALLOW_FLUSH
	FlagTSNonStrict  Flags = C.AVFMT_TS_NONSTRICT
	FlagTSNegative   Flags = C.AVFMT_TS_NEGATIVE
	FlagSeekToPTS    Flags = C.AVFMT_SEEK_TO_PTS
)

type IOContext 

type IOContext struct {
	CAVIOContext *C.AVIOContext
}

func NewIOContextFromC 

func NewIOContextFromC(cCtx unsafe.Pointer) *IOContext

func OpenIOContext 

func OpenIOContext(url string, flags IOFlags, cb *IOInterruptCallback, options *avutil.Dictionary) (*IOContext, error)

func (*IOContext) Close 

func (ctx *IOContext) Close() error

func (*IOContext) Size 

func (ctx *IOContext) Size() int64

type IOFlags 

type IOFlags int
const (
	IOFlagRead      IOFlags = C.AVIO_FLAG_READ
	IOFlagWrite     IOFlags = C.AVIO_FLAG_WRITE
	IOFlagReadWrite IOFlags = C.AVIO_FLAG_READ_WRITE
	IOFlagNonblock  IOFlags = C.AVIO_FLAG_NONBLOCK
	IOFlagDirect    IOFlags = C.AVIO_FLAG_DIRECT
)

type IOInterruptCallback 

type IOInterruptCallback struct {
	CAVIOInterruptCB *C.AVIOInterruptCB
}

func NewIOInterruptCallbackFromC 

func NewIOInterruptCallbackFromC(cb unsafe.Pointer) *IOInterruptCallback

type Input 

type Input struct {
	CAVInputFormat *C.AVInputFormat
}

func FindInputByShortName 

func FindInputByShortName(shortName string) *Input

func NewInputFromC 

func NewInputFromC(cInput unsafe.Pointer) *Input

func ProbeInput 

func ProbeInput(pd *ProbeData, isOpened bool) *Input

func ProbeInputWithScore 

func ProbeInputWithScore(pd *ProbeData, isOpened bool, scoreMax int) (*Input, int)

func (*Input) CodecTags 

func (f *Input) CodecTags() *CodecTagList

func (*Input) Extensions 

func (f *Input) Extensions() []string

func (*Input) Flags 

func (f *Input) Flags() Flags

func (*Input) LongName 

func (f *Input) LongName() string

func (*Input) LongNameOk 

func (f *Input) LongNameOk() (string, bool)

func (*Input) MimeTypes 

func (f *Input) MimeTypes() []string

func (*Input) Names 

func (f *Input) Names() []string

func (*Input) PrivateClass 

func (f *Input) PrivateClass() *avutil.Class

type Output 

type Output struct {
	CAVOutputFormat *C.AVOutputFormat
}

func GuessOutputFromFileName 

func GuessOutputFromFileName(fileName string) *Output

func GuessOutputFromMimeType 

func GuessOutputFromMimeType(mimeType string) *Output

func GuessOutputFromShortName 

func GuessOutputFromShortName(shortName string) *Output

func NewOutputFromC 

func NewOutputFromC(cOutput unsafe.Pointer) *Output

func (*Output) AudioCodecID 

func (f *Output) AudioCodecID() avcodec.CodecID

func (*Output) CodecTags 

func (f *Output) CodecTags() *CodecTagList

func (*Output) DataCodecID 

func (f *Output) DataCodecID() avcodec.CodecID

func (*Output) Extensions 

func (f *Output) Extensions() []string

func (*Output) Flags 

func (f *Output) Flags() Flags

func (*Output) GuessCodecID 

func (f *Output) GuessCodecID(filename string, mediaType avutil.MediaType) avcodec.CodecID

func (*Output) LongName 

func (f *Output) LongName() string

func (*Output) LongNameOk 

func (f *Output) LongNameOk() (string, bool)

func (*Output) MimeType 

func (f *Output) MimeType() string

func (*Output) MimeTypeOk 

func (f *Output) MimeTypeOk() (string, bool)

func (*Output) Name 

func (f *Output) Name() string

func (*Output) NameOk 

func (f *Output) NameOk() (string, bool)

func (*Output) PrivateClass 

func (f *Output) PrivateClass() *avutil.Class

func (*Output) QueryCodec 

func (f *Output) QueryCodec(codecID avcodec.CodecID) (bool, bool)

func (*Output) QueryCodecWithCompliance 

func (f *Output) QueryCodecWithCompliance(codecID avcodec.CodecID, compliance avcodec.Compliance) (bool, bool)

func (*Output) SubtitleCodecID 

func (f *Output) SubtitleCodecID() avcodec.CodecID

func (*Output) VideoCodecID 

func (f *Output) VideoCodecID() avcodec.CodecID

type ProbeData 

type ProbeData struct {
	CAVProbeData C.AVProbeData
}

func NewProbeData 

func NewProbeData() *ProbeData

func (*ProbeData) Free 

func (pd *ProbeData) Free()

func (*ProbeData) SetBuffer 

func (pd *ProbeData) SetBuffer(buffer []byte) error

func (*ProbeData) SetFileName 

func (pd *ProbeData) SetFileName(fileName *string) error

func (*ProbeData) SetMimeType 

func (pd *ProbeData) SetMimeType(mimeType *string) error

type SeekFlags 

type SeekFlags int
const (
	SeekFlagNone     SeekFlags = 0
	SeekFlagBackward SeekFlags = C.AVSEEK_FLAG_BACKWARD
	SeekFlagByte     SeekFlags = C.AVSEEK_FLAG_BYTE
	SeekFlagAny      SeekFlags = C.AVSEEK_FLAG_ANY
	SeekFlagFrame    SeekFlags = C.AVSEEK_FLAG_FRAME
)

type Stream 

type Stream struct {
	CAVStream *C.AVStream
}

func NewStreamFromC 

func NewStreamFromC(cStream unsafe.Pointer) *Stream

func (*Stream) AverageFrameRate 

func (s *Stream) AverageFrameRate() *avutil.Rational

func (*Stream) CodecContext 

func (s *Stream) CodecContext() *avcodec.Context

func (*Stream) Disposition 

func (s *Stream) Disposition() Disposition

func (*Stream) Duration 

func (s *Stream) Duration() time.Duration

func (*Stream) EndPTS 

func (s *Stream) EndPTS() int64

func (*Stream) FirstDTS 

func (s *Stream) FirstDTS() int64

func (*Stream) ID 

func (s *Stream) ID() int

func (*Stream) Index 

func (s *Stream) Index() int

func (*Stream) MetaData 

func (s *Stream) MetaData() *avutil.Dictionary

func (*Stream) NumberOfFrames 

func (s *Stream) NumberOfFrames() int64

func (*Stream) RawDuration 

func (s *Stream) RawDuration() int64

func (*Stream) RealFrameRate 

func (s *Stream) RealFrameRate() *avutil.Rational

func (*Stream) SampleAspectRatio 

func (s *Stream) SampleAspectRatio() *avutil.Rational

func (*Stream) SetAverageFrameRate 

func (s *Stream) SetAverageFrameRate(frameRate *avutil.Rational)

func (*Stream) SetDisposition 

func (s *Stream) SetDisposition(disposition Disposition)

func (*Stream) SetFirstDTS 

func (s *Stream) SetFirstDTS(firstDTS int64)

func (*Stream) SetMetaData 

func (s *Stream) SetMetaData(metaData *avutil.Dictionary)

func (*Stream) SetRealFrameRate 

func (s *Stream) SetRealFrameRate(frameRate *avutil.Rational)

func (*Stream) SetSampleAspectRatio 

func (s *Stream) SetSampleAspectRatio(aspectRatio *avutil.Rational)

func (*Stream) SetTimeBase 

func (s *Stream) SetTimeBase(timeBase *avutil.Rational)

func (*Stream) StartTime 

func (s *Stream) StartTime() int64

func (*Stream) TimeBase 

func (s *Stream) TimeBase() *avutil.Rational

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