avutil

package
v0.0.0-...-6bf952d Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Jan 25, 2019 License: MIT Imports: 6 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ErrorCodeBSFNotFound      ErrorCode = -1179861752
	ErrorCodeBug              ErrorCode = -558323010
	ErrorCodeBufferTooSmall   ErrorCode = -1397118274
	ErrorCodeDecoderNotFound  ErrorCode = -1128613112
	ErrorCodeDemuxerNotFound  ErrorCode = -1296385272
	ErrorCodeEncoderNotFound  ErrorCode = -1129203192
	ErrorCodeEOF              ErrorCode = -541478725
	ErrorCodeExit             ErrorCode = -1414092869
	ErrorCodeExternal         ErrorCode = -542398533
	ErrorCodeFilterNotFound   ErrorCode = -1279870712
	ErrorCodeInvalidData      ErrorCode = -1094995529
	ErrorCodeMuxerNotFound    ErrorCode = -1481985528
	ErrorCodeOptionNotFound   ErrorCode = -1414549496
	ErrorCodePatchWelcome     ErrorCode = -1163346256
	ErrorCodeProtocolNotFound ErrorCode = -1330794744
	ErrorCodeStreamNotFound   ErrorCode = -1381258232
	ErrorCodeBug2             ErrorCode = -541545794
	ErrorCodeUnknown          ErrorCode = -1313558101
	ErrorCodeExperimental     ErrorCode = -733130664
	ErrorCodeInputChanged     ErrorCode = -1668179713
	ErrorCodeOutputChanged    ErrorCode = -1668179714
	ErrorCodeHttpBadRequest   ErrorCode = -808465656
	ErrorCodeHttpUnauthorized ErrorCode = -825242872
	ErrorCodeHttpForbidden    ErrorCode = -858797304
	ErrorCodeHttpNotFound     ErrorCode = -875574520
	ErrorCodeHttpOther4xx     ErrorCode = -1482175736
	ErrorCodeHttpServerError  ErrorCode = -1482175992
	NoPTSValue                int64     = -9223372036854775808
)

Variables

View Source 
var (
	ErrAllocationError     = errors.New("allocation error")
	ErrInvalidArgumentSize = errors.New("invalid argument size")
)
View Source 
var StandardTimeBase = NewRational(1, C.AV_TIME_BASE)

Functions

func Clip 

func Clip(x, min, max int) int

func ParseTime 

func ParseTime(timestr string, duration bool) (int64, error)

func Rescale 

func Rescale(a, b, c int64) int64

func RescaleByRationals 

func RescaleByRationals(a int64, bq, cq *Rational) int64

func SetLogLevel 

func SetLogLevel(level LogLevel)

func String 

func String(str string) *string

func Version 

func Version() (int, int, int)

Types

type ChannelLayout 

type ChannelLayout uint64
const (
	ChannelLayoutMono            ChannelLayout = C.AV_CH_LAYOUT_MONO
	ChannelLayoutStereo          ChannelLayout = C.AV_CH_LAYOUT_STEREO
	ChannelLayout2Point1         ChannelLayout = C.AV_CH_LAYOUT_2POINT1
	ChannelLayout21              ChannelLayout = C.AV_CH_LAYOUT_2_1
	ChannelLayoutSurround        ChannelLayout = C.AV_CH_LAYOUT_SURROUND
	ChannelLayout3Point1         ChannelLayout = C.AV_CH_LAYOUT_3POINT1
	ChannelLayout4Point0         ChannelLayout = C.AV_CH_LAYOUT_4POINT0
	ChannelLayout4Point1         ChannelLayout = C.AV_CH_LAYOUT_4POINT1
	ChannelLayout22              ChannelLayout = C.AV_CH_LAYOUT_2_2
	ChannelLayoutQuad            ChannelLayout = C.AV_CH_LAYOUT_QUAD
	ChannelLayout5Point0         ChannelLayout = C.AV_CH_LAYOUT_5POINT0
	ChannelLayout5Point1         ChannelLayout = C.AV_CH_LAYOUT_5POINT1
	ChannelLayout5Point0Back     ChannelLayout = C.AV_CH_LAYOUT_5POINT0_BACK
	ChannelLayout5Point1Back     ChannelLayout = C.AV_CH_LAYOUT_5POINT1_BACK
	ChannelLayout6Point0         ChannelLayout = C.AV_CH_LAYOUT_6POINT0
	ChannelLayout6Point0Front    ChannelLayout = C.AV_CH_LAYOUT_6POINT0_FRONT
	ChannelLayoutHexagonal       ChannelLayout = C.AV_CH_LAYOUT_HEXAGONAL
	ChannelLayout6Point1         ChannelLayout = C.AV_CH_LAYOUT_6POINT1
	ChannelLayout6Point1Back     ChannelLayout = C.AV_CH_LAYOUT_6POINT1_BACK
	ChannelLayout6Point1Front    ChannelLayout = C.AV_CH_LAYOUT_6POINT1_FRONT
	ChannelLayout7Point0         ChannelLayout = C.AV_CH_LAYOUT_7POINT0
	ChannelLayout7Point0Front    ChannelLayout = C.AV_CH_LAYOUT_7POINT0_FRONT
	ChannelLayout7Point1         ChannelLayout = C.AV_CH_LAYOUT_7POINT1
	ChannelLayout7Point1Wide     ChannelLayout = C.AV_CH_LAYOUT_7POINT1_WIDE
	ChannelLayout7Point1WideBack ChannelLayout = C.AV_CH_LAYOUT_7POINT1_WIDE_BACK
	ChannelLayoutOctagonal       ChannelLayout = C.AV_CH_LAYOUT_OCTAGONAL
	ChannelLayoutStereoDownmix   ChannelLayout = C.AV_CH_LAYOUT_STEREO_DOWNMIX
)

func ChannelLayouts 

func ChannelLayouts() []ChannelLayout

func FindChannelLayoutByName 

func FindChannelLayoutByName(name string) (ChannelLayout, bool)

func FindDefaultChannelLayout 

func FindDefaultChannelLayout(numberOfChannels int) (ChannelLayout, bool)

func (ChannelLayout) DescriptionOk 

func (cl ChannelLayout) DescriptionOk() (string, bool)

func (ChannelLayout) Name 

func (cl ChannelLayout) Name() string

func (ChannelLayout) NameOk 

func (cl ChannelLayout) NameOk() (string, bool)

func (ChannelLayout) NumberOfChannels 

func (cl ChannelLayout) NumberOfChannels() int

type ChromaLocation 

type ChromaLocation C.enum_AVChromaLocation
const (
	ChromaLocationUnspecified ChromaLocation = C.AVCHROMA_LOC_UNSPECIFIED
	ChromaLocationLeft        ChromaLocation = C.AVCHROMA_LOC_LEFT
	ChromaLocationCenter      ChromaLocation = C.AVCHROMA_LOC_CENTER
	ChromaLocationTopLeft     ChromaLocation = C.AVCHROMA_LOC_TOPLEFT
	ChromaLocationTop         ChromaLocation = C.AVCHROMA_LOC_TOP
	ChromaLocationBottomLeft  ChromaLocation = C.AVCHROMA_LOC_BOTTOMLEFT
	ChromaLocationBottom      ChromaLocation = C.AVCHROMA_LOC_BOTTOM
)

type Class 

type Class struct {
	CAVClass *C.AVClass
}

func NewClassFromC 

func NewClassFromC(cClass unsafe.Pointer) *Class

func (*Class) ChildrenClasses 

func (c *Class) ChildrenClasses() []*Class

func (*Class) Name 

func (c *Class) Name() string

func (*Class) NameOk 

func (c *Class) NameOk() (string, bool)

func (*Class) Options 

func (c *Class) Options() []*Option

type Dictionary 

type Dictionary struct {
	CAVDictionary **C.AVDictionary
	// contains filtered or unexported fields
}

func NewDictionary 

func NewDictionary() *Dictionary

func NewDictionaryFromC 

func NewDictionaryFromC(cDictionary unsafe.Pointer) *Dictionary

func (*Dictionary) Copy 

func (dict *Dictionary) Copy() *Dictionary

func (*Dictionary) Count 

func (dict *Dictionary) Count() int

func (*Dictionary) Delete 

func (dict *Dictionary) Delete(key string) error

func (*Dictionary) Free 

func (dict *Dictionary) Free()

func (*Dictionary) Get 

func (dict *Dictionary) Get(key string) string

func (*Dictionary) GetInsensitive 

func (dict *Dictionary) GetInsensitive(key string) string

func (*Dictionary) GetInsensitiveOk 

func (dict *Dictionary) GetInsensitiveOk(key string) (string, bool)

func (*Dictionary) GetOk 

func (dict *Dictionary) GetOk(key string) (string, bool)

func (*Dictionary) Has 

func (dict *Dictionary) Has(key string) bool

func (*Dictionary) HasInsensitive 

func (dict *Dictionary) HasInsensitive(key string) bool

func (*Dictionary) Keys 

func (dict *Dictionary) Keys() []string

func (*Dictionary) Map 

func (dict *Dictionary) Map() map[string]string

func (*Dictionary) Pointer 

func (dict *Dictionary) Pointer() unsafe.Pointer

func (*Dictionary) Set 

func (dict *Dictionary) Set(key, value string) error

func (*Dictionary) SetInsensitive 

func (dict *Dictionary) SetInsensitive(key, value string) error

func (*Dictionary) String 

func (dict *Dictionary) String(keyValSep, pairsSep byte) (string, error)

func (*Dictionary) Value 

func (dict *Dictionary) Value() unsafe.Pointer

func (*Dictionary) Values 

func (dict *Dictionary) Values() []string

type Error 

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

func NewErrorFromCode 

func NewErrorFromCode(code ErrorCode) *Error

func (*Error) Code 

func (e *Error) Code() ErrorCode

func (*Error) Error 

func (e *Error) Error() string

type ErrorCode 

type ErrorCode int

func ErrnoErrorCode 

func ErrnoErrorCode(e syscall.Errno) ErrorCode

type Expr 

type Expr struct {
	CAVExpr *C.struct_AVExpr
}

func NewExpr 

func NewExpr(value string, constNames []string) (*Expr, error)

func NewExprFromC 

func NewExprFromC(cExpr unsafe.Pointer) *Expr

func (*Expr) Evaluate 

func (e *Expr) Evaluate(constValues []float64) (float64, error)

func (*Expr) Free 

func (e *Expr) Free()

type Frame 

type Frame struct {
	CAVFrame *C.AVFrame
}

func NewFrame 

func NewFrame() (*Frame, error)

func NewFrameFromC 

func NewFrameFromC(cFrame unsafe.Pointer) *Frame

func (*Frame) BestEffortTimestamp 

func (f *Frame) BestEffortTimestamp() int64

func (*Frame) CodedPictureNumber 

func (f *Frame) CodedPictureNumber() int

func (*Frame) Data 

func (f *Frame) Data(index int) unsafe.Pointer

func (*Frame) DisplayPictureNumber 

func (f *Frame) DisplayPictureNumber() int

func (*Frame) ExtendedData 

func (f *Frame) ExtendedData() unsafe.Pointer

func (*Frame) Free 

func (f *Frame) Free()

func (*Frame) GetBuffer 

func (f *Frame) GetBuffer() error

func (*Frame) GetBufferWithAlignment 

func (f *Frame) GetBufferWithAlignment(alignment int) error

func (*Frame) Height 

func (f *Frame) Height() int

func (*Frame) KeyFrame 

func (f *Frame) KeyFrame() bool

func (*Frame) LineSize 

func (f *Frame) LineSize(index int) int

func (*Frame) Metadata 

func (f *Frame) Metadata() *Dictionary

func (*Frame) NumberOfSamples 

func (f *Frame) NumberOfSamples() int

func (*Frame) Opaque 

func (f *Frame) Opaque() unsafe.Pointer

func (*Frame) PTS 

func (f *Frame) PTS() int64

func (*Frame) PacketDTS 

func (f *Frame) PacketDTS() int64

func (*Frame) PacketDuration 

func (f *Frame) PacketDuration() int64

func (*Frame) PacketPTS 

func (f *Frame) PacketPTS() int64

func (*Frame) PictureType 

func (f *Frame) PictureType() PictureType

func (*Frame) PixelFormat 

func (f *Frame) PixelFormat() PixelFormat

func (*Frame) Quality 

func (f *Frame) Quality() int

func (*Frame) Ref 

func (f *Frame) Ref(dst *Frame) error

func (*Frame) SampleAspectRatio 

func (f *Frame) SampleAspectRatio() *Rational

func (*Frame) SetCodedPictureNumber 

func (f *Frame) SetCodedPictureNumber(number int)

func (*Frame) SetData 

func (f *Frame) SetData(index int, data unsafe.Pointer)

func (*Frame) SetDisplayPictureNumber 

func (f *Frame) SetDisplayPictureNumber(number int)

func (*Frame) SetExtendedData 

func (f *Frame) SetExtendedData(data unsafe.Pointer)

func (*Frame) SetHeight 

func (f *Frame) SetHeight(height int)

func (*Frame) SetKeyFrame 

func (f *Frame) SetKeyFrame(keyFrame bool)

func (*Frame) SetLineSize 

func (f *Frame) SetLineSize(index int, lineSize int)

func (*Frame) SetMetadata 

func (f *Frame) SetMetadata(dict *Dictionary)

func (*Frame) SetNumberOfSamples 

func (f *Frame) SetNumberOfSamples(samples int)

func (*Frame) SetOpaque 

func (f *Frame) SetOpaque(opaque unsafe.Pointer)

func (*Frame) SetPTS 

func (f *Frame) SetPTS(pts int64)

func (*Frame) SetPacketDTS 

func (f *Frame) SetPacketDTS(dts int64)

func (*Frame) SetPacketPTS 

func (f *Frame) SetPacketPTS(pts int64)

func (*Frame) SetPictureType 

func (f *Frame) SetPictureType(ptype PictureType)

func (*Frame) SetPixelFormat 

func (f *Frame) SetPixelFormat(format PixelFormat)

func (*Frame) SetQuality 

func (f *Frame) SetQuality(quality int)

func (*Frame) SetSampleAspectRatio 

func (f *Frame) SetSampleAspectRatio(aspectRatio *Rational)

func (*Frame) SetWidth 

func (f *Frame) SetWidth(width int)

func (*Frame) Unref 

func (f *Frame) Unref()

func (*Frame) Width 

func (f *Frame) Width() int

type LogLevel 

type LogLevel int
const (
	LogLevelQuiet   LogLevel = C.AV_LOG_QUIET
	LogLevelPanic   LogLevel = C.AV_LOG_PANIC
	LogLevelFatal   LogLevel = C.AV_LOG_FATAL
	LogLevelError   LogLevel = C.AV_LOG_ERROR
	LogLevelWarning LogLevel = C.AV_LOG_WARNING
	LogLevelInfo    LogLevel = C.AV_LOG_INFO
	LogLevelVerbose LogLevel = C.AV_LOG_VERBOSE
	LogLevelDebug   LogLevel = C.AV_LOG_DEBUG
	LogLevelTrace   LogLevel = C.GO_AV_LOG_TRACE
)

type LossFlags 

type LossFlags int
const (
	LossFlagNone       LossFlags = 0
	LossFlagResolution LossFlags = C.FF_LOSS_RESOLUTION
	LossFlagDepth      LossFlags = C.FF_LOSS_DEPTH
	LossFlagColorspace LossFlags = C.FF_LOSS_COLORSPACE
	LossFlagAlpha      LossFlags = C.FF_LOSS_ALPHA
	LossFlagColorquant LossFlags = C.FF_LOSS_COLORQUANT
	LossFlagChroma     LossFlags = C.FF_LOSS_CHROMA
	LossFlagAll        LossFlags = -1
)

type MediaType 

type MediaType C.enum_AVMediaType
const (
	MediaTypeUnknown    MediaType = C.AVMEDIA_TYPE_UNKNOWN
	MediaTypeVideo      MediaType = C.AVMEDIA_TYPE_VIDEO
	MediaTypeAudio      MediaType = C.AVMEDIA_TYPE_AUDIO
	MediaTypeData       MediaType = C.AVMEDIA_TYPE_DATA
	MediaTypeSubtitle   MediaType = C.AVMEDIA_TYPE_SUBTITLE
	MediaTypeAttachment MediaType = C.AVMEDIA_TYPE_ATTACHMENT
)

type Option 

type Option struct {
	CAVOption *C.struct_AVOption
}

func NewOptionFromC 

func NewOptionFromC(cOption unsafe.Pointer) *Option

func (*Option) Help 

func (o *Option) Help() string

func (*Option) HelpOk 

func (o *Option) HelpOk() (string, bool)

func (*Option) Name 

func (o *Option) Name() string

func (*Option) NameOk 

func (o *Option) NameOk() (string, bool)

type OptionAccessor 

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

func NewOptionAccessor 

func NewOptionAccessor(obj unsafe.Pointer, fake bool) *OptionAccessor

func (*OptionAccessor) GetChannelLayoutOption 

func (oa *OptionAccessor) GetChannelLayoutOption(name string) (int64, bool, error)

func (*OptionAccessor) GetChannelLayoutOptionWithFlags 

func (oa *OptionAccessor) GetChannelLayoutOptionWithFlags(name string, flags OptionSearchFlags) (int64, bool, error)

func (*OptionAccessor) GetDictionaryOption 

func (oa *OptionAccessor) GetDictionaryOption(name string) (*Dictionary, error)

func (*OptionAccessor) GetDictionaryOptionWithFlags 

func (oa *OptionAccessor) GetDictionaryOptionWithFlags(name string, flags OptionSearchFlags) (*Dictionary, error)

func (*OptionAccessor) GetFloat64Option 

func (oa *OptionAccessor) GetFloat64Option(name string) (float64, bool, error)

func (*OptionAccessor) GetFloat64OptionWithFlags 

func (oa *OptionAccessor) GetFloat64OptionWithFlags(name string, flags OptionSearchFlags) (float64, bool, error)

func (*OptionAccessor) GetImageSizeOption 

func (oa *OptionAccessor) GetImageSizeOption(name string) (int, int, bool, error)

func (*OptionAccessor) GetImageSizeOptionWithFlags 

func (oa *OptionAccessor) GetImageSizeOptionWithFlags(name string, flags OptionSearchFlags) (int, int, bool, error)

func (*OptionAccessor) GetInt64Option 

func (oa *OptionAccessor) GetInt64Option(name string) (int64, bool, error)

func (*OptionAccessor) GetInt64OptionWithFlags 

func (oa *OptionAccessor) GetInt64OptionWithFlags(name string, flags OptionSearchFlags) (int64, bool, error)

func (*OptionAccessor) GetOption 

func (oa *OptionAccessor) GetOption(name string) (string, bool, error)

func (*OptionAccessor) GetOptionWithFlags 

func (oa *OptionAccessor) GetOptionWithFlags(name string, flags OptionSearchFlags) (string, bool, error)

func (*OptionAccessor) GetPixelFormatOption 

func (oa *OptionAccessor) GetPixelFormatOption(name string) (PixelFormat, bool, error)

func (*OptionAccessor) GetPixelFormatOptionWithFlags 

func (oa *OptionAccessor) GetPixelFormatOptionWithFlags(name string, flags OptionSearchFlags) (PixelFormat, bool, error)

func (*OptionAccessor) GetRationalOption 

func (oa *OptionAccessor) GetRationalOption(name string) (*Rational, error)

func (*OptionAccessor) GetRationalOptionWithFlags 

func (oa *OptionAccessor) GetRationalOptionWithFlags(name string, flags OptionSearchFlags) (*Rational, error)

func (*OptionAccessor) GetSampleFormatOption 

func (oa *OptionAccessor) GetSampleFormatOption(name string) (SampleFormat, bool, error)

func (*OptionAccessor) GetSampleFormatOptionWithFlags 

func (oa *OptionAccessor) GetSampleFormatOptionWithFlags(name string, flags OptionSearchFlags) (SampleFormat, bool, error)

func (*OptionAccessor) GetVideoRateOption 

func (oa *OptionAccessor) GetVideoRateOption(name string) (*Rational, error)

func (*OptionAccessor) GetVideoRateOptionWithFlags 

func (oa *OptionAccessor) GetVideoRateOptionWithFlags(name string, flags OptionSearchFlags) (*Rational, error)

func (*OptionAccessor) SetBinaryOption 

func (oa *OptionAccessor) SetBinaryOption(name string, value unsafe.Pointer, size int) error

func (*OptionAccessor) SetBinaryOptionWithFlags 

func (oa *OptionAccessor) SetBinaryOptionWithFlags(name string, value unsafe.Pointer, size int, flags OptionSearchFlags) error

func (*OptionAccessor) SetChannelLayoutOption 

func (oa *OptionAccessor) SetChannelLayoutOption(name string, value int64) error

func (*OptionAccessor) SetChannelLayoutOptionWithFlags 

func (oa *OptionAccessor) SetChannelLayoutOptionWithFlags(name string, value int64, flags OptionSearchFlags) error

func (*OptionAccessor) SetDictionaryOption 

func (oa *OptionAccessor) SetDictionaryOption(name string, value *Dictionary) error

func (*OptionAccessor) SetDictionaryOptionWithFlags 

func (oa *OptionAccessor) SetDictionaryOptionWithFlags(name string, value *Dictionary, flags OptionSearchFlags) error

func (*OptionAccessor) SetFloat64Option 

func (oa *OptionAccessor) SetFloat64Option(name string, value float64) error

func (*OptionAccessor) SetFloat64OptionWithFlags 

func (oa *OptionAccessor) SetFloat64OptionWithFlags(name string, value float64, flags OptionSearchFlags) error

func (*OptionAccessor) SetImageSizeOption 

func (oa *OptionAccessor) SetImageSizeOption(name string, width, height int) error

func (*OptionAccessor) SetImageSizeOptionWithFlags 

func (oa *OptionAccessor) SetImageSizeOptionWithFlags(name string, width, height int, flags OptionSearchFlags) error

func (*OptionAccessor) SetInt64Option 

func (oa *OptionAccessor) SetInt64Option(name string, value int64) error

func (*OptionAccessor) SetInt64OptionWithFlags 

func (oa *OptionAccessor) SetInt64OptionWithFlags(name string, value int64, flags OptionSearchFlags) error

func (*OptionAccessor) SetIntArrayOption 

func (oa *OptionAccessor) SetIntArrayOption(name string, value []int) error

func (*OptionAccessor) SetIntArrayOptionWithFlags 

func (oa *OptionAccessor) SetIntArrayOptionWithFlags(name string, value []int, flags OptionSearchFlags) error

func (*OptionAccessor) SetOption 

func (oa *OptionAccessor) SetOption(name, value string) error

func (*OptionAccessor) SetOptionWithFlags 

func (oa *OptionAccessor) SetOptionWithFlags(name, value string, flags OptionSearchFlags) error

func (*OptionAccessor) SetPixelFormatOption 

func (oa *OptionAccessor) SetPixelFormatOption(name string, value PixelFormat) error

func (*OptionAccessor) SetPixelFormatOptionWithFlags 

func (oa *OptionAccessor) SetPixelFormatOptionWithFlags(name string, value PixelFormat, flags OptionSearchFlags) error

func (*OptionAccessor) SetRationalOption 

func (oa *OptionAccessor) SetRationalOption(name string, value *Rational) error

func (*OptionAccessor) SetRationalOptionWithFlags 

func (oa *OptionAccessor) SetRationalOptionWithFlags(name string, value *Rational, flags OptionSearchFlags) error

func (*OptionAccessor) SetVideoRateOption 

func (oa *OptionAccessor) SetVideoRateOption(name string, value *Rational) error

func (*OptionAccessor) SetVideoRateOptionWithFlags 

func (oa *OptionAccessor) SetVideoRateOptionWithFlags(name string, value *Rational, flags OptionSearchFlags) error

type OptionSearchFlags 

type OptionSearchFlags int
const (
	OptionSearchChildren OptionSearchFlags = C.AV_OPT_SEARCH_CHILDREN
	OptionSearchFakeObj  OptionSearchFlags = C.AV_OPT_SEARCH_FAKE_OBJ
)

type PictureType 

type PictureType C.enum_AVPictureType
const (
	PictureTypeNone PictureType = C.AV_PICTURE_TYPE_NONE
	PictureTypeI    PictureType = C.AV_PICTURE_TYPE_I
	PictureTypeP    PictureType = C.AV_PICTURE_TYPE_P
	PictureTypeB    PictureType = C.AV_PICTURE_TYPE_B
	PictureTypeS    PictureType = C.AV_PICTURE_TYPE_S
	PictureTypeSI   PictureType = C.AV_PICTURE_TYPE_SI
	PictureTypeSP   PictureType = C.AV_PICTURE_TYPE_SP
	PictureTypeBI   PictureType = C.AV_PICTURE_TYPE_BI
)

type PixelFormat 

type PixelFormat C.enum_AVPixelFormat
const (
	PixelFormatNone PixelFormat = C.AV_PIX_FMT_NONE
)

func FindPixelFormatByName 

func FindPixelFormatByName(name string) (PixelFormat, bool)

func (PixelFormat) Name 

func (pfmt PixelFormat) Name() string

func (PixelFormat) NameOk 

func (pfmt PixelFormat) NameOk() (string, bool)

type PixelFormatDescriptor 

type PixelFormatDescriptor struct {
	CAVPixFmtDescriptor *C.AVPixFmtDescriptor
}

func FindPixelFormatDescriptorByPixelFormat 

func FindPixelFormatDescriptorByPixelFormat(pixelFormat PixelFormat) *PixelFormatDescriptor

func NewPixelFormatDescriptorFromC 

func NewPixelFormatDescriptorFromC(cCtx unsafe.Pointer) *PixelFormatDescriptor

func (*PixelFormatDescriptor) ComponentCount 

func (d *PixelFormatDescriptor) ComponentCount() int

type Rational 

type Rational struct {
	CAVRational C.AVRational
}

func NewRational 

func NewRational(numerator, denominator int) *Rational

func NewRationalFromC 

func NewRationalFromC(cRational unsafe.Pointer) *Rational

func ParseRational 

func ParseRational(ratio string, max int) (*Rational, error)

func (*Rational) Add 

func (r *Rational) Add(r2 *Rational)

func (*Rational) Compare 

func (r *Rational) Compare(r2 *Rational) (int, bool)

func (*Rational) Copy 

func (r *Rational) Copy() *Rational

func (*Rational) Denominator 

func (r *Rational) Denominator() int

func (*Rational) Div 

func (r *Rational) Div(r2 *Rational)

func (*Rational) Float64 

func (r *Rational) Float64() float64

func (*Rational) Invert 

func (r *Rational) Invert()

func (*Rational) Mul 

func (r *Rational) Mul(r2 *Rational)

func (*Rational) Nearer 

func (r *Rational) Nearer(r2 *Rational, r3 *Rational) int

func (*Rational) Nearest 

func (r *Rational) Nearest(rs []*Rational) *Rational

func (*Rational) Numerator 

func (r *Rational) Numerator() int

func (*Rational) Reduce 

func (r *Rational) Reduce()

func (*Rational) SetDenominator 

func (r *Rational) SetDenominator(denominator int)

func (*Rational) SetNumerator 

func (r *Rational) SetNumerator(numerator int)

func (*Rational) String 

func (r *Rational) String() string

func (*Rational) Sub 

func (r *Rational) Sub(r2 *Rational)

type SampleFormat 

type SampleFormat C.enum_AVSampleFormat
const (
	SampleFormatNone SampleFormat = C.AV_SAMPLE_FMT_NONE
	SampleFormatU8   SampleFormat = C.AV_SAMPLE_FMT_U8
	SampleFormatS16  SampleFormat = C.AV_SAMPLE_FMT_S16
	SampleFormatS32  SampleFormat = C.AV_SAMPLE_FMT_S32
	SampleFormatFLT  SampleFormat = C.AV_SAMPLE_FMT_FLT
	SampleFormatDBL  SampleFormat = C.AV_SAMPLE_FMT_DBL
	SampleFormatU8P  SampleFormat = C.AV_SAMPLE_FMT_U8P
	SampleFormatS16P SampleFormat = C.AV_SAMPLE_FMT_S16P
	SampleFormatS32P SampleFormat = C.AV_SAMPLE_FMT_S32P
	SampleFormatFLTP SampleFormat = C.AV_SAMPLE_FMT_FLTP
	SampleFormatDBLP SampleFormat = C.AV_SAMPLE_FMT_DBLP
)

func FindSampleFormatByName 

func FindSampleFormatByName(name string) (SampleFormat, bool)

func (SampleFormat) Name 

func (sfmt SampleFormat) Name() string

func (SampleFormat) NameOk 

func (sfmt SampleFormat) NameOk() (string, bool)

type Time 

type Time struct {
	Point int64
	Base  *Rational
}

func NewTime 

func NewTime(point int64, base *Rational) *Time

func (*Time) Duration 

func (t *Time) Duration() (time.Duration, bool)

func (*Time) Valid 

func (t *Time) Valid() bool

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.