gotheora

package module
v0.0.0-...-ea533d8 Latest Latest
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 Go to latest Published: Feb 5, 2024 License: MIT Imports: 10 Imported by: 0

README

GoTheora

These are golang bindings and a wrapper around Theora library. Theora is a free and open video compression format from the Xiph.org Foundation. Like all Xiph multimedia technologies, it can be used to distribute movies and videos online and on discs without royalties and royalties or vendor binding associated with other formats.

Usage

Use go get -u to download and install the prebuilt package.

go get -u github.com/ilya2ik/googg
go get -u github.com/ilya2ik/gotheora
Example for usage

You can find an example of using the encoder here

Documents

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var ETheoraDecBadPacketException = errTheoraDecBadPacketException{}
View Source 
var ETheoraDecException = errTheoraDecException{}
View Source 
var ETheoraEncCompletedException = errTheoraEncCompletedException{}
View Source 
var ETheoraEncDifferException = errTheoraEncDifferException{}
View Source 
var ETheoraEncException = errTheoraEncException{}
View Source 
var ETheoraEncNotPackReadyException = errTheoraEncPackNotReadyException{}
View Source 
var ETheoraEncNotReadyException = errTheoraEncNotReadyException{}
View Source 
var ETheoraException = errTheoraException{0}
View Source 
var ETheoraOutOfMemory = errTheoraOutOfMemory{nil}

Functions

func Version 

func Version() string

func VersionNumber 

func VersionNumber() uint32

Types

type Colorspace 

type Colorspace int
const (
	Unspec Colorspace = iota
	ITURec470M
	ITURec470BG
	NSpaces
)

type ITheoraComment 

type ITheoraComment interface {
	Ref() *C.theora_comment

	Init()
	Done()

	GetVendor() string
	SetVendor(s string)

	Add(comment string)
	AddTag(tag, value string)
	TagsCount() int
	GetTag(index int) string
	Query(tag string, index int) string
	QueryCount(tag string) int
}

func NewTheoraComment 

func NewTheoraComment() (ITheoraComment, error)

type ITheoraDecoder 

type ITheoraDecoder interface {
	Header(cc ITheoraComment, op OGG.IOGGPacket) error
	PacketIn(op OGG.IOGGPacket) error
	YUVout(yuv ITheoraYUVbuffer) error
}

func NewTheoraDecoder 

func NewTheoraDecoder(inf ITheoraInfo) (ITheoraDecoder, error)

type ITheoraEncoder 

type ITheoraEncoder interface {
	Header(op OGG.IOGGPacket) error
	PacketOut(last_p bool, op OGG.IOGGPacket) error
	DoPacketOut(last_p bool) (OGG.IOGGPacket, error)
	YUVin(yuv ITheoraYUVbuffer) error
	Comment(tc ITheoraComment, op OGG.IOGGPacket) error
	Tables(op OGG.IOGGPacket) error

	Control(req int, buf []byte) int

	SaveDefHeadersToStream() error
	SaveCustomHeadersToStream(tc ITheoraComment) error
	SaveYUVBufferToStream(buf ITheoraYUVbuffer, is_last bool) error
	Flush() error
	Close() error
}

func NewTheoraEncoder 

func NewTheoraEncoder(inf ITheoraInfo, str io.Writer) (ITheoraEncoder, error)

type ITheoraInfo 

type ITheoraInfo interface {
	Ref() *C.theora_info

	Init()
	Done()

	GetAspectDenominator() int
	GetAspectNumerator() int
	GetCodecSetup() unsafe.Pointer
	GetColorspace() Colorspace
	GetDropFrames() bool
	GetFPSDenominator() int
	GetFPSNumerator() int
	GetFrameHeight() int
	GetFrameWidth() int
	GetHeight() int
	GetKeyframeAuto() bool
	GetKeyframeAutoThreshold() int
	GetKeyframeDataTargetBitrate() int
	GetKeyframeFrequency() int
	GetKeyframeFrequencyForce() int
	GetKeyframeMindistance() int
	GetNoiseSensitivity() int
	GetOffsetX() int
	GetOffsetY() int
	GetPixelFormat() image.YCbCrSubsampleRatio
	GetQuality() int
	GetQuick() bool
	GetSharpness() int
	GetTargetBitrate() int
	GetWidth() int

	GetVersionMajor() byte
	GetVersionMinor() byte
	GetVersionSubminor() byte
	SetAspectDenominator(AValue int)
	SetAspectNumerator(AValue int)
	SetCodecSetup(AValue unsafe.Pointer)
	SetColorspace(AValue Colorspace)
	SetDropFrames(AValue bool)
	SetFPSDenominator(AValue int)
	SetFPSNumerator(AValue int)
	SetFrameHeight(AValue int)
	SetFrameWidth(AValue int)
	SetHeight(AValue int)
	SetKeyframeAuto(AValue bool)
	SetKeyframeAutoThreshold(AValue int)
	SetKeyframeDataTargetBitrate(AValue int)
	SetKeyframeFrequency(AValue int)
	SetKeyframeFrequencyForce(AValue int)
	SetKeyframeMindistance(AValue int)
	SetNoiseSensitivity(AValue int)
	SetOffsetX(AValue int)
	SetOffsetY(AValue int)
	SetPixelFormat(AValue image.YCbCrSubsampleRatio)
	SetQuality(AValue int)
	SetQuick(AValue bool)
	SetSharpness(AValue int)
	SetTargetBitrate(AValue int)
	SetWidth(AValue int)

	GranuleShift() int
}

func NewTheoraInfo 

func NewTheoraInfo() (ITheoraInfo, error)

type ITheoraState 

type ITheoraState interface {
	Ref() *C.theora_state

	Init(inf ITheoraInfo)
	Done()

	Info() ITheoraInfo
	GetGranulePos() int64
	SetGranulePos(value int64)

	GranuleFrame(granulepos int64) int64
	GranuleTime(granulepos int64) float64
}

func NewTheoraState 

func NewTheoraState() (ITheoraState, error)

type ITheoraYUVbuffer 

type ITheoraYUVbuffer interface {
	Ref() *C.yuv_buffer

	Done()

	GetYWidth() int
	SetYWidth(value int)
	GetYHeight() int
	SetYHeight(value int)
	GetYStride() int
	SetYStride(value int)

	GetUVWidth() int
	SetUVWidth(value int)
	GetUVHeight() int
	SetUVHeight(value int)
	GetUVStride() int
	SetUVStride(value int)

	GetYData() []byte
	SetYData(value []byte)
	GetUData() []byte
	SetUData(value []byte)
	GetVData() []byte
	SetVData(value []byte)

	GetOwnData() bool
	SetOwnData(value bool)

	ConvertFromRasterImage(chroma_format image.YCbCrSubsampleRatio, aData image.Image) bool
}

func NewTheoraYUVbuffer 

func NewTheoraYUVbuffer() (ITheoraYUVbuffer, error)

type TheoraComment 

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

func (*TheoraComment) Add 

func (v *TheoraComment) Add(comment string)

func (*TheoraComment) AddTag 

func (v *TheoraComment) AddTag(tag string, value string)

func (*TheoraComment) Done 

func (v *TheoraComment) Done()

func (*TheoraComment) GetTag 

func (v *TheoraComment) GetTag(index int) string

func (*TheoraComment) GetVendor 

func (v *TheoraComment) GetVendor() string

func (*TheoraComment) Init 

func (v *TheoraComment) Init()

func (*TheoraComment) Query 

func (v *TheoraComment) Query(tag string, index int) string

func (*TheoraComment) QueryCount 

func (v *TheoraComment) QueryCount(tag string) int

func (*TheoraComment) Ref 

func (v *TheoraComment) Ref() *C.theora_comment

func (*TheoraComment) SetVendor 

func (v *TheoraComment) SetVendor(s string)

func (*TheoraComment) TagsCount 

func (v *TheoraComment) TagsCount() int

type TheoraDecoder 

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

func (*TheoraDecoder) Header 

func (v *TheoraDecoder) Header(cc ITheoraComment, op OGG.IOGGPacket) error

func (*TheoraDecoder) PacketIn 

func (v *TheoraDecoder) PacketIn(op OGG.IOGGPacket) error

func (*TheoraDecoder) State 

func (v *TheoraDecoder) State() ITheoraState

func (*TheoraDecoder) YUVout 

func (v *TheoraDecoder) YUVout(yuv ITheoraYUVbuffer) error

type TheoraEncoder 

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

func (*TheoraEncoder) Close 

func (v *TheoraEncoder) Close() error

func (*TheoraEncoder) Comment 

func (v *TheoraEncoder) Comment(tc ITheoraComment, op OGG.IOGGPacket) error

func (*TheoraEncoder) Control 

func (v *TheoraEncoder) Control(req int, buf []byte) int

func (*TheoraEncoder) DoPacketOut 

func (v *TheoraEncoder) DoPacketOut(last_p bool) (OGG.IOGGPacket, error)

func (*TheoraEncoder) Flush 

func (v *TheoraEncoder) Flush() error

func (*TheoraEncoder) Header 

func (v *TheoraEncoder) Header(op OGG.IOGGPacket) error

func (*TheoraEncoder) PacketOut 

func (v *TheoraEncoder) PacketOut(last_p bool, op OGG.IOGGPacket) error

func (*TheoraEncoder) SaveCustomHeadersToStream 

func (v *TheoraEncoder) SaveCustomHeadersToStream(tc ITheoraComment) error

func (*TheoraEncoder) SaveDefHeadersToStream 

func (v *TheoraEncoder) SaveDefHeadersToStream() error

func (*TheoraEncoder) SaveYUVBufferToStream 

func (v *TheoraEncoder) SaveYUVBufferToStream(buf ITheoraYUVbuffer, is_last bool) error

func (*TheoraEncoder) State 

func (v *TheoraEncoder) State() ITheoraState

func (*TheoraEncoder) Stream 

func (v *TheoraEncoder) Stream() OGG.IOGGStreamState

func (*TheoraEncoder) Tables 

func (v *TheoraEncoder) Tables(op OGG.IOGGPacket) error

func (*TheoraEncoder) YUVin 

func (v *TheoraEncoder) YUVin(yuv ITheoraYUVbuffer) error

type TheoraInfo 

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

func (*TheoraInfo) Done 

func (v *TheoraInfo) Done()

func (*TheoraInfo) GetAspectDenominator 

func (v *TheoraInfo) GetAspectDenominator() int

func (*TheoraInfo) GetAspectNumerator 

func (v *TheoraInfo) GetAspectNumerator() int

func (*TheoraInfo) GetCodecSetup 

func (v *TheoraInfo) GetCodecSetup() unsafe.Pointer

func (*TheoraInfo) GetColorspace 

func (v *TheoraInfo) GetColorspace() Colorspace

func (*TheoraInfo) GetDropFrames 

func (v *TheoraInfo) GetDropFrames() bool

func (*TheoraInfo) GetFPSDenominator 

func (v *TheoraInfo) GetFPSDenominator() int

func (*TheoraInfo) GetFPSNumerator 

func (v *TheoraInfo) GetFPSNumerator() int

func (*TheoraInfo) GetFrameHeight 

func (v *TheoraInfo) GetFrameHeight() int

func (*TheoraInfo) GetFrameWidth 

func (v *TheoraInfo) GetFrameWidth() int

func (*TheoraInfo) GetHeight 

func (v *TheoraInfo) GetHeight() int

func (*TheoraInfo) GetKeyframeAuto 

func (v *TheoraInfo) GetKeyframeAuto() bool

func (*TheoraInfo) GetKeyframeAutoThreshold 

func (v *TheoraInfo) GetKeyframeAutoThreshold() int

func (*TheoraInfo) GetKeyframeDataTargetBitrate 

func (v *TheoraInfo) GetKeyframeDataTargetBitrate() int

func (*TheoraInfo) GetKeyframeFrequency 

func (v *TheoraInfo) GetKeyframeFrequency() int

func (*TheoraInfo) GetKeyframeFrequencyForce 

func (v *TheoraInfo) GetKeyframeFrequencyForce() int

func (*TheoraInfo) GetKeyframeMindistance 

func (v *TheoraInfo) GetKeyframeMindistance() int

func (*TheoraInfo) GetNoiseSensitivity 

func (v *TheoraInfo) GetNoiseSensitivity() int

func (*TheoraInfo) GetOffsetX 

func (v *TheoraInfo) GetOffsetX() int

func (*TheoraInfo) GetOffsetY 

func (v *TheoraInfo) GetOffsetY() int

func (*TheoraInfo) GetPixelFormat 

func (v *TheoraInfo) GetPixelFormat() image.YCbCrSubsampleRatio

func (*TheoraInfo) GetQuality 

func (v *TheoraInfo) GetQuality() int

func (*TheoraInfo) GetQuick 

func (v *TheoraInfo) GetQuick() bool

func (*TheoraInfo) GetSharpness 

func (v *TheoraInfo) GetSharpness() int

func (*TheoraInfo) GetTargetBitrate 

func (v *TheoraInfo) GetTargetBitrate() int

func (*TheoraInfo) GetVersionMajor 

func (v *TheoraInfo) GetVersionMajor() byte

func (*TheoraInfo) GetVersionMinor 

func (v *TheoraInfo) GetVersionMinor() byte

func (*TheoraInfo) GetVersionSubminor 

func (v *TheoraInfo) GetVersionSubminor() byte

func (*TheoraInfo) GetWidth 

func (v *TheoraInfo) GetWidth() int

func (*TheoraInfo) GranuleShift 

func (v *TheoraInfo) GranuleShift() int

func (*TheoraInfo) Init 

func (v *TheoraInfo) Init()

func (*TheoraInfo) Ref 

func (v *TheoraInfo) Ref() *C.theora_info

func (*TheoraInfo) SetAspectDenominator 

func (v *TheoraInfo) SetAspectDenominator(AValue int)

func (*TheoraInfo) SetAspectNumerator 

func (v *TheoraInfo) SetAspectNumerator(AValue int)

func (*TheoraInfo) SetCodecSetup 

func (v *TheoraInfo) SetCodecSetup(AValue unsafe.Pointer)

func (*TheoraInfo) SetColorspace 

func (v *TheoraInfo) SetColorspace(AValue Colorspace)

func (*TheoraInfo) SetDropFrames 

func (v *TheoraInfo) SetDropFrames(AValue bool)

func (*TheoraInfo) SetFPSDenominator 

func (v *TheoraInfo) SetFPSDenominator(AValue int)

func (*TheoraInfo) SetFPSNumerator 

func (v *TheoraInfo) SetFPSNumerator(AValue int)

func (*TheoraInfo) SetFrameHeight 

func (v *TheoraInfo) SetFrameHeight(AValue int)

func (*TheoraInfo) SetFrameWidth 

func (v *TheoraInfo) SetFrameWidth(AValue int)

func (*TheoraInfo) SetHeight 

func (v *TheoraInfo) SetHeight(AValue int)

func (*TheoraInfo) SetKeyframeAuto 

func (v *TheoraInfo) SetKeyframeAuto(AValue bool)

func (*TheoraInfo) SetKeyframeAutoThreshold 

func (v *TheoraInfo) SetKeyframeAutoThreshold(AValue int)

func (*TheoraInfo) SetKeyframeDataTargetBitrate 

func (v *TheoraInfo) SetKeyframeDataTargetBitrate(AValue int)

func (*TheoraInfo) SetKeyframeFrequency 

func (v *TheoraInfo) SetKeyframeFrequency(AValue int)

func (*TheoraInfo) SetKeyframeFrequencyForce 

func (v *TheoraInfo) SetKeyframeFrequencyForce(AValue int)

func (*TheoraInfo) SetKeyframeMindistance 

func (v *TheoraInfo) SetKeyframeMindistance(AValue int)

func (*TheoraInfo) SetNoiseSensitivity 

func (v *TheoraInfo) SetNoiseSensitivity(AValue int)

func (*TheoraInfo) SetOffsetX 

func (v *TheoraInfo) SetOffsetX(AValue int)

func (*TheoraInfo) SetOffsetY 

func (v *TheoraInfo) SetOffsetY(AValue int)

func (*TheoraInfo) SetPixelFormat 

func (v *TheoraInfo) SetPixelFormat(AValue image.YCbCrSubsampleRatio)

func (*TheoraInfo) SetQuality 

func (v *TheoraInfo) SetQuality(AValue int)

func (*TheoraInfo) SetQuick 

func (v *TheoraInfo) SetQuick(AValue bool)

func (*TheoraInfo) SetSharpness 

func (v *TheoraInfo) SetSharpness(AValue int)

func (*TheoraInfo) SetTargetBitrate 

func (v *TheoraInfo) SetTargetBitrate(AValue int)

func (*TheoraInfo) SetWidth 

func (v *TheoraInfo) SetWidth(AValue int)

type TheoraState 

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

func (*TheoraState) Done 

func (v *TheoraState) Done()

func (*TheoraState) GetGranulePos 

func (v *TheoraState) GetGranulePos() int64

func (*TheoraState) GranuleFrame 

func (v *TheoraState) GranuleFrame(granulepos int64) int64

func (*TheoraState) GranuleTime 

func (v *TheoraState) GranuleTime(granulepos int64) float64

func (*TheoraState) Info 

func (v *TheoraState) Info() ITheoraInfo

func (*TheoraState) Init 

func (v *TheoraState) Init(inf ITheoraInfo)

func (*TheoraState) Ref 

func (v *TheoraState) Ref() *C.theora_state

func (*TheoraState) SetGranulePos 

func (v *TheoraState) SetGranulePos(value int64)

type TheoraYUVbuffer 

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

func (*TheoraYUVbuffer) ConvertFromRasterImage 

func (v *TheoraYUVbuffer) ConvertFromRasterImage(chroma_format image.YCbCrSubsampleRatio, aData image.Image) bool

func (*TheoraYUVbuffer) Done 

func (v *TheoraYUVbuffer) Done()

func (*TheoraYUVbuffer) GetOwnData 

func (v *TheoraYUVbuffer) GetOwnData() bool

func (*TheoraYUVbuffer) GetUData 

func (v *TheoraYUVbuffer) GetUData() []byte

func (*TheoraYUVbuffer) GetUVHeight 

func (v *TheoraYUVbuffer) GetUVHeight() int

func (*TheoraYUVbuffer) GetUVStride 

func (v *TheoraYUVbuffer) GetUVStride() int

func (*TheoraYUVbuffer) GetUVWidth 

func (v *TheoraYUVbuffer) GetUVWidth() int

func (*TheoraYUVbuffer) GetVData 

func (v *TheoraYUVbuffer) GetVData() []byte

func (*TheoraYUVbuffer) GetYData 

func (v *TheoraYUVbuffer) GetYData() []byte

func (*TheoraYUVbuffer) GetYHeight 

func (v *TheoraYUVbuffer) GetYHeight() int

func (*TheoraYUVbuffer) GetYStride 

func (v *TheoraYUVbuffer) GetYStride() int

func (*TheoraYUVbuffer) GetYWidth 

func (v *TheoraYUVbuffer) GetYWidth() int

func (*TheoraYUVbuffer) Ref 

func (v *TheoraYUVbuffer) Ref() *C.yuv_buffer

func (*TheoraYUVbuffer) SetOwnData 

func (v *TheoraYUVbuffer) SetOwnData(value bool)

func (*TheoraYUVbuffer) SetUData 

func (v *TheoraYUVbuffer) SetUData(value []byte)

func (*TheoraYUVbuffer) SetUVHeight 

func (v *TheoraYUVbuffer) SetUVHeight(value int)

func (*TheoraYUVbuffer) SetUVStride 

func (v *TheoraYUVbuffer) SetUVStride(value int)

func (*TheoraYUVbuffer) SetUVWidth 

func (v *TheoraYUVbuffer) SetUVWidth(value int)

func (*TheoraYUVbuffer) SetVData 

func (v *TheoraYUVbuffer) SetVData(value []byte)

func (*TheoraYUVbuffer) SetYData 

func (v *TheoraYUVbuffer) SetYData(value []byte)

func (*TheoraYUVbuffer) SetYHeight 

func (v *TheoraYUVbuffer) SetYHeight(value int)

func (*TheoraYUVbuffer) SetYStride 

func (v *TheoraYUVbuffer) SetYStride(value int)

func (*TheoraYUVbuffer) SetYWidth 

func (v *TheoraYUVbuffer) SetYWidth(value int)

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