ffmpeg

package module
v0.0.0-...-04f1607 Latest Latest
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 Go to latest Published: May 28, 2022 License: MIT Imports: 7 Imported by: 0

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Index

Constants

View Source 
const (
	AVERROR_BSF_NOT_FOUND      = int(C.AVERROR_BSF_NOT_FOUND)
	AVERROR_BUG                = int(C.AVERROR_BUG)
	AVERROR_BUFFER_TOO_SMALL   = int(C.AVERROR_BUFFER_TOO_SMALL)
	AVERROR_DECODER_NOT_FOUND  = int(C.AVERROR_DECODER_NOT_FOUND)
	AVERROR_DEMUXER_NOT_FOUND  = int(C.AVERROR_DEMUXER_NOT_FOUND)
	AVERROR_ENCODER_NOT_FOUND  = int(C.AVERROR_ENCODER_NOT_FOUND)
	AVERROR_EOF                = int(C.AVERROR_EOF)
	AVERROR_EXIT               = int(C.AVERROR_EXIT)
	AVERROR_EXTERNAL           = int(C.AVERROR_EXTERNAL)
	AVERROR_FILTER_NOT_FOUND   = int(C.AVERROR_FILTER_NOT_FOUND)
	AVERROR_INVALIDDATA        = int(C.AVERROR_INVALIDDATA)
	AVERROR_MUXER_NOT_FOUND    = int(C.AVERROR_MUXER_NOT_FOUND)
	AVERROR_OPTION_NOT_FOUND   = int(C.AVERROR_OPTION_NOT_FOUND)
	AVERROR_PATCHWELCOME       = int(C.AVERROR_PATCHWELCOME)
	AVERROR_PROTOCOL_NOT_FOUND = int(C.AVERROR_PROTOCOL_NOT_FOUND)
	AVERROR_STREAM_NOT_FOUND   = int(C.AVERROR_STREAM_NOT_FOUND)
	AVERROR_BUG2               = int(C.AVERROR_BUG2)
	AVERROR_UNKNOWN            = int(C.AVERROR_UNKNOWN)
	AVERROR_EXPERIMENTAL       = int(C.AVERROR_EXPERIMENTAL)
	AVERROR_INPUT_CHANGED      = int(C.AVERROR_INPUT_CHANGED)
	AVERROR_OUTPUT_CHANGED     = int(C.AVERROR_OUTPUT_CHANGED)
	AVERROR_HTTP_BAD_REQUEST   = int(C.AVERROR_HTTP_BAD_REQUEST)
	AVERROR_HTTP_UNAUTHORIZED  = int(C.AVERROR_HTTP_UNAUTHORIZED)
	AVERROR_HTTP_FORBIDDEN     = int(C.AVERROR_HTTP_FORBIDDEN)
	AVERROR_HTTP_NOT_FOUND     = int(C.AVERROR_HTTP_NOT_FOUND)
	AVERROR_HTTP_OTHER_4XX     = int(C.AVERROR_HTTP_OTHER_4XX)
	AVERROR_HTTP_SERVER_ERROR  = int(C.AVERROR_HTTP_SERVER_ERROR)
)
View Source 
const (
	AV_LOG_QUIET   = AV_LOG_LEVEL(C.AV_LOG_QUIET)
	AV_LOG_PANIC   = AV_LOG_LEVEL(C.AV_LOG_PANIC)
	AV_LOG_FATAL   = AV_LOG_LEVEL(C.AV_LOG_FATAL)
	AV_LOG_ERROR   = AV_LOG_LEVEL(C.AV_LOG_ERROR)
	AV_LOG_WARNING = AV_LOG_LEVEL(C.AV_LOG_WARNING)
	AV_LOG_INFO    = AV_LOG_LEVEL(C.AV_LOG_INFO)
	AV_LOG_VERBOSE = AV_LOG_LEVEL(C.AV_LOG_VERBOSE)
	AV_LOG_DEBUG   = AV_LOG_LEVEL(C.AV_LOG_DEBUG)
	AV_LOG_TRACE   = AV_LOG_LEVEL(C.AV_LOG_TRACE)
)
View Source 
const (
	AV_OPT_FLAG_ENCODING_PARAM  = int(C.AV_OPT_FLAG_ENCODING_PARAM) ///< a generic parameter which can be set by the user for muxing or encoding
	AV_OPT_FLAG_DECODING_PARAM  = int(C.AV_OPT_FLAG_DECODING_PARAM) ///< a generic parameter which can be set by the user for demuxing or decoding
	AV_OPT_FLAG_AUDIO_PARAM     = int(C.AV_OPT_FLAG_AUDIO_PARAM)
	AV_OPT_FLAG_VIDEO_PARAM     = int(C.AV_OPT_FLAG_VIDEO_PARAM)
	AV_OPT_FLAG_SUBTITLE_PARAM  = int(C.AV_OPT_FLAG_SUBTITLE_PARAM)
	AV_OPT_FLAG_EXPORT          = int(C.AV_OPT_FLAG_EXPORT)
	AV_OPT_FLAG_READONLY        = int(C.AV_OPT_FLAG_READONLY)
	AV_OPT_FLAG_BSF_PARAM       = int(C.AV_OPT_FLAG_BSF_PARAM)       ///< a generic parameter which can be set by the user for bit stream filtering
	AV_OPT_FLAG_RUNTIME_PARAM   = int(C.AV_OPT_FLAG_RUNTIME_PARAM)   ///< a generic parameter which can be set by the user at runtime
	AV_OPT_FLAG_FILTERING_PARAM = int(C.AV_OPT_FLAG_FILTERING_PARAM) ///< a generic parameter which can be set by the user for filtering
	AV_OPT_FLAG_DEPRECATED      = int(C.AV_OPT_FLAG_DEPRECATED)      ///< set if option is deprecated, users should refer to AVOption.help text for more information
	AV_OPT_FLAG_CHILD_CONSTS    = int(C.AV_OPT_FLAG_CHILD_CONSTS)    ///< set if option constants can also reside in child objects
)
View Source 
const (
	AV_OPT_SEARCH_CHILDREN       = int(C.AV_OPT_SEARCH_CHILDREN)
	AV_OPT_SEARCH_FAKE_OBJ       = int(C.AV_OPT_SEARCH_FAKE_OBJ)
	AV_OPT_ALLOW_NULL            = int(C.AV_OPT_ALLOW_NULL)
	AV_OPT_MULTI_COMPONENT_RANGE = int(C.AV_OPT_MULTI_COMPONENT_RANGE)
)
View Source 
const (
	AVFMT_FLAG_GENPTS          = int(C.AVFMT_FLAG_GENPTS)          ///< Generate missing pts even if it requires parsing future frames.
	AVFMT_FLAG_IGNIDX          = int(C.AVFMT_FLAG_IGNIDX)          ///< Ignore index.
	AVFMT_FLAG_NONBLOCK        = int(C.AVFMT_FLAG_NONBLOCK)        ///< Do not block when reading packets from input.
	AVFMT_FLAG_IGNDTS          = int(C.AVFMT_FLAG_IGNDTS)          ///< Ignore DTS on frames that contain both DTS & PTS
	AVFMT_FLAG_NOFILLIN        = int(C.AVFMT_FLAG_NOFILLIN)        ///< Do not infer any values from other values, just return what is stored in the container
	AVFMT_FLAG_NOPARSE         = int(C.AVFMT_FLAG_NOPARSE)         ///< Do not use AVParsers, you also must set AVFMT_FLAG_NOFILLIN as the fillin code works on frames and no parsing -> no frames. Also seeking to frames can not work if parsing to find frame boundaries has been disabled
	AVFMT_FLAG_NOBUFFER        = int(C.AVFMT_FLAG_NOBUFFER)        ///< Do not buffer frames when possible
	AVFMT_FLAG_CUSTOM_IO       = int(C.AVFMT_FLAG_CUSTOM_IO)       ///< The caller has supplied a custom AVIOContext, don't avio_close() it.
	AVFMT_FLAG_DISCARD_CORRUPT = int(C.AVFMT_FLAG_DISCARD_CORRUPT) ///< Discard frames marked corrupted
	AVFMT_FLAG_FLUSH_PACKETS   = int(C.AVFMT_FLAG_FLUSH_PACKETS)   ///< Flush the AVIOContext every packet.
	AVFMT_FLAG_BITEXACT        = int(C.AVFMT_FLAG_BITEXACT)        // When muxing, try to avoid writing any random/volatile data to the output. This includes any random IDs, real-time timestamps/dates, muxer version, etc. This flag is mainly intended for testing.
	AVFMT_FLAG_SORT_DTS        = int(C.AVFMT_FLAG_SORT_DTS)        ///< try to interleave outputted packets by dts (using this flag can slow demuxing down)
	AVFMT_FLAG_FAST_SEEK       = int(C.AVFMT_FLAG_FAST_SEEK)       ///< Enable fast, but inaccurate seeks for some formats
	AVFMT_FLAG_SHORTEST        = int(C.AVFMT_FLAG_SHORTEST)        ///< Stop muxing when the shortest stream stops.
	AVFMT_FLAG_AUTO_BSF        = int(C.AVFMT_FLAG_AUTO_BSF)        ///< Add bitstream filters as requested by the muxer
)
View Source 
const (
	AVIO_FLAG_READ       = int(C.AVIO_FLAG_READ)
	AVIO_FLAG_WRITE      = int(C.AVIO_FLAG_WRITE)
	AVIO_FLAG_READ_WRITE = int(C.AVIO_FLAG_READ_WRITE)
)
View Source 
const (
	AVMEDIA_TYPE_UNKNOWN    = AVMEDIA_TYPE(C.AVMEDIA_TYPE_UNKNOWN)
	AVMEDIA_TYPE_VIDEO      = AVMEDIA_TYPE(C.AVMEDIA_TYPE_VIDEO)
	AVMEDIA_TYPE_AUDIO      = AVMEDIA_TYPE(C.AVMEDIA_TYPE_AUDIO)
	AVMEDIA_TYPE_DATA       = AVMEDIA_TYPE(C.AVMEDIA_TYPE_DATA)
	AVMEDIA_TYPE_SUBTITLE   = AVMEDIA_TYPE(C.AVMEDIA_TYPE_SUBTITLE)
	AVMEDIA_TYPE_ATTACHMENT = AVMEDIA_TYPE(C.AVMEDIA_TYPE_ATTACHMENT)
)
View Source 
const (
	AV_ROUND_ZERO        = uint32(C.AV_ROUND_ZERO)
	AV_ROUND_INF         = uint32(C.AV_ROUND_INF)
	AV_ROUND_DOWN        = uint32(C.AV_ROUND_DOWN)
	AV_ROUND_UP          = uint32(C.AV_ROUND_UP)
	AV_ROUND_NEAR_INF    = uint32(C.AV_ROUND_NEAR_INF)
	AV_ROUND_PASS_MINMAX = uint32(C.AV_ROUND_PASS_MINMAX)
)
View Source 
const AV_NOPTS_VALUE = int64(C.AV_NOPTS_VALUE)
View Source 
const IO_BUFFER_SIZE int = 32768 // 32 KB

Variables

View Source 
var (
	ErrInvalidParam  = errors.New("invalid parameter")
	ErrMemoryFailure = errors.New("memory failure")
)

Functions

func AVCodecParametersCopy 

func AVCodecParametersCopy(dst, src *AVCodecParameters) (err error)

func AVLogSetLevel 

func AVLogSetLevel(level AV_LOG_LEVEL)

func AVRescaleQ 

func AVRescaleQ(a int64, bq, cq AVRational) int64

func AVRescaleQRnd 

func AVRescaleQRnd(a int64, bq, cq AVRational, rnd uint32) int64

func AVTs2Str 

func AVTs2Str(ts int64) string

func AVTs2TimeStr 

func AVTs2TimeStr(ts int64, timebase AVRational) string

func CompareAVRational 

func CompareAVRational(a, b AVRational) int

func GetAVError 

func GetAVError(cerr C.int) (err error)

Types

type AVClass 

type AVClass interface {
	AVClass() AVClassObject
}

type AVClassObject 

type AVClassObject struct {
	AVClass unsafe.Pointer
}

func (AVClassObject) AVLog 

func (avcl AVClassObject) AVLog(level AV_LOG_LEVEL, format string, a ...interface{})

func (AVClassObject) AVOptSet 

func (avcl AVClassObject) AVOptSet(key, value string, searchFlags int) (err error)

func (AVClassObject) AVOptSetBytes 

func (avcl AVClassObject) AVOptSetBytes(key string, value []byte, searchFlags int) (err error)

func (AVClassObject) AVOptSetDefaults 

func (avcl AVClassObject) AVOptSetDefaults()

func (AVClassObject) AVOptSetDefaults2 

func (avcl AVClassObject) AVOptSetDefaults2(mask, flags int)

func (AVClassObject) AVOptSetDict 

func (avcl AVClassObject) AVOptSetDict(avdict *AVDictionary, searchFlags int) (err error)

func (AVClassObject) AVOptSetDictVal 

func (avcl AVClassObject) AVOptSetDictVal(key string, avdict *AVDictionary, searchFlags int) (err error)

func (AVClassObject) AVOptSetFloat64 

func (avcl AVClassObject) AVOptSetFloat64(key string, value float64, searchFlags int) (err error)

func (AVClassObject) AVOptSetImageSize 

func (avcl AVClassObject) AVOptSetImageSize(key string, width, height int, searchFlags int) (err error)

func (AVClassObject) AVOptSetInt64 

func (avcl AVClassObject) AVOptSetInt64(key string, value int64, searchFlags int) (err error)

func (AVClassObject) SetAVClass 

func (avcl AVClassObject) SetAVClass(cls *C.AVClass)

type AVCodec 

type AVCodec struct {
	AVCodec *C.AVCodec
}

type AVCodecParameters 

type AVCodecParameters struct {
	AVCodecParameters *C.AVCodecParameters
}

func (*AVCodecParameters) AVCodecType 

func (p *AVCodecParameters) AVCodecType() AVMEDIA_TYPE

func (*AVCodecParameters) SetAVCodecTag 

func (p *AVCodecParameters) SetAVCodecTag(codecTag uint32)

type AVDictionary 

type AVDictionary struct {
	GoMap        map[string]string
	AVDictionary *C.struct_AVDictionary
}

func NewDict 

func NewDict(values map[string]string) (avdict *AVDictionary, err error)

func (*AVDictionary) Del 

func (avdict *AVDictionary) Del(key string) (err error)

func (*AVDictionary) Set 

func (avdict *AVDictionary) Set(key, value string) (err error)

type AVError 

type AVError struct {
	Code int
	// contains filtered or unexported fields
}

func (AVError) Error 

func (err AVError) Error() string

type AVFormatContext 

type AVFormatContext struct {
	// contains filtered or unexported fields
}

func AVFormatOpenInput 

func AVFormatOpenInput(c *AVFormatContext, avioctx *AVIOContext, url string, inputFormat *AVInputFormat, options *AVDictionary) (ctx *AVFormatContext, err error)

func AVFormatOpenOutput 

func AVFormatOpenOutput(c *AVFormatContext, avioctx *AVIOContext, url string, outputFormat *AVOutputFormat, options *AVDictionary) (ctx *AVFormatContext, err error)

func NewAVFormatContext 

func NewAVFormatContext() (avfmtctx *AVFormatContext, err error)

func (*AVFormatContext) AVClass 

func (c *AVFormatContext) AVClass() AVClassObject

func (*AVFormatContext) AVFindStreamInfo 

func (c *AVFormatContext) AVFindStreamInfo() (err error)

func (*AVFormatContext) AVFormatWriteHeader 

func (c *AVFormatContext) AVFormatWriteHeader() (err error)

func (*AVFormatContext) AVInterleavedWriteFrame 

func (c *AVFormatContext) AVInterleavedWriteFrame(packet *AVPacket) (err error)

func (*AVFormatContext) AVReadFrame 

func (c *AVFormatContext) AVReadFrame() (packet *AVPacket, err error)

func (*AVFormatContext) AVStreamAtIndex 

func (c *AVFormatContext) AVStreamAtIndex(index int) (stream *AVStream)

func (*AVFormatContext) AVStreams 

func (c *AVFormatContext) AVStreams() (streams []*AVStream)

func (*AVFormatContext) AVWriteTrailer 

func (c *AVFormatContext) AVWriteTrailer() (err error)

func (*AVFormatContext) Close 

func (c *AVFormatContext) Close() (err error)

func (*AVFormatContext) DumpFormat 

func (c *AVFormatContext) DumpFormat(index int, url string, isOutput bool)

func (*AVFormatContext) Flags 

func (c *AVFormatContext) Flags() int

func (*AVFormatContext) NewAVStream 

func (c *AVFormatContext) NewAVStream(codec *AVCodec) (stream *AVStream, err error)

func (*AVFormatContext) SetAVIOContext 

func (c *AVFormatContext) SetAVIOContext(avioctx *AVIOContext)

func (*AVFormatContext) SetAVInputFormat 

func (c *AVFormatContext) SetAVInputFormat(avfmt *AVInputFormat) (err error)

func (*AVFormatContext) SetAVOutputFormat 

func (c *AVFormatContext) SetAVOutputFormat(avfmt *AVOutputFormat) (err error)

func (*AVFormatContext) SetFlag 

func (c *AVFormatContext) SetFlag(flag int)

func (*AVFormatContext) SetURL 

func (c *AVFormatContext) SetURL(url string) (err error)

func (*AVFormatContext) UnsetFlag 

func (c *AVFormatContext) UnsetFlag(flag int)

type AVIOContext 

type AVIOContext struct {
	AVIOContext *C.AVIOContext
	Handlers    AVIOHandlers
	CgoHandle   cgo.Handle
}

func AVIOOpen 

func AVIOOpen(url string, flags int) (avioctx *AVIOContext, err error)

func NewAVIOContext 

func NewAVIOContext(handlers *AVIOHandlers) (avioctx *AVIOContext, err error)

AVIOContext constructor. Use it only if You need custom IO behaviour!

func (*AVIOContext) AVClass 

func (c *AVIOContext) AVClass() AVClassObject

func (*AVIOContext) Close 

func (c *AVIOContext) Close() (err error)

func (*AVIOContext) Flush 

func (c *AVIOContext) Flush()

type AVIOHandlers 

type AVIOHandlers struct {
	Read  func(p []byte) (n int, err error)
	Write func(p []byte) (n int, err error)
	Seek  func(offset int64, whence int) (int64, error)
}

Functions prototypes for custom IO. Implement necessary prototypes and pass instance pointer to NewAVIOContext.

E.g.: 

var reader io.Reader

avioctx := NewAVIOContext(ctx, &AVIOHandlers{Read: reader.Read})

type AVInputFormat 

type AVInputFormat struct {
	AVInputFormat *C.AVInputFormat
}

func AVFindInputFormat 

func AVFindInputFormat(shortName string) *AVInputFormat

func (AVInputFormat) LongName 

func (avfmt AVInputFormat) LongName() string

func (AVInputFormat) ShortNames 

func (avfmt AVInputFormat) ShortNames() []string

type AVMEDIA_TYPE 

type AVMEDIA_TYPE int

type AVOutputFormat 

type AVOutputFormat struct {
	AVOutputFormat *C.AVOutputFormat
}

func AVFindOutputFormat 

func AVFindOutputFormat(shortName, filename, mimeType string) *AVOutputFormat

func (AVOutputFormat) LongName 

func (avfmt AVOutputFormat) LongName() string

func (AVOutputFormat) ShortNames 

func (avfmt AVOutputFormat) ShortNames() []string

type AVPacket 

type AVPacket struct {
	AVPacket *C.AVPacket
}

func NewAVPacket 

func NewAVPacket() (packet *AVPacket, err error)

func NewAVPacketWithCBytes 

func NewAVPacketWithCBytes(data *C.uint8_t, size C.int) (packet *AVPacket, err error)

func NewAVPacketWithSize 

func NewAVPacketWithSize(size int) (packet *AVPacket, err error)

func (*AVPacket) Clone 

func (packet *AVPacket) Clone() (ref *AVPacket, err error)

func (*AVPacket) Close 

func (packet *AVPacket) Close() (err error)

func (*AVPacket) CopyProps 

func (packet *AVPacket) CopyProps(dst *AVPacket) (err error)

func (*AVPacket) DTS 

func (packet *AVPacket) DTS() (dts int64)

func (*AVPacket) Duration 

func (packet *AVPacket) Duration() (duration int64)

func (*AVPacket) Grow 

func (packet *AVPacket) Grow(growBy int) (err error)

func (*AVPacket) MoveRef 

func (packet *AVPacket) MoveRef(dst *AVPacket)

func (*AVPacket) PTS 

func (packet *AVPacket) PTS() (pts int64)

func (*AVPacket) Pos 

func (packet *AVPacket) Pos() (pos int64)

func (*AVPacket) Ref 

func (packet *AVPacket) Ref(dst *AVPacket) (err error)

func (*AVPacket) SetDTS 

func (packet *AVPacket) SetDTS(dts int64)

func (*AVPacket) SetDuration 

func (packet *AVPacket) SetDuration(duration int64)

func (*AVPacket) SetPTS 

func (packet *AVPacket) SetPTS(pts int64)

func (*AVPacket) SetPos 

func (packet *AVPacket) SetPos(pos int64)

func (*AVPacket) SetStreamIndex 

func (packet *AVPacket) SetStreamIndex(index int)

func (*AVPacket) Shrink 

func (packet *AVPacket) Shrink(size int)

func (*AVPacket) StreamIndex 

func (packet *AVPacket) StreamIndex() (index int)

func (*AVPacket) Unref 

func (packet *AVPacket) Unref()

type AVRational 

type AVRational C.AVRational

func NewAVRational 

func NewAVRational(numerator, demoninator int) AVRational

func (AVRational) Denominator 

func (r AVRational) Denominator() int

func (AVRational) Numerator 

func (r AVRational) Numerator() int

type AVStream 

type AVStream struct {
	AVStream *C.AVStream
}

func (*AVStream) AVCodecParameters 

func (s *AVStream) AVCodecParameters() *AVCodecParameters

func (*AVStream) SetTimeBase 

func (s *AVStream) SetTimeBase(timebase AVRational)

func (*AVStream) TimeBase 

func (s *AVStream) TimeBase() AVRational

type AV_LOG_LEVEL 

type AV_LOG_LEVEL int

Source Files

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