vpx

package

v0.0.0-...-85b3b2b Latest Latest Go to latest Published: Jun 21, 2020 License: Apache-2.0 Imports: 14 Imported by: 0

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github.com/hakobera/go-ayame

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Documentation ¶

Index ¶

type DecodedImage
type VP8Decoder
- func NewVP8Decoder() (*VP8Decoder, error)
type VP9Decoder
- func NewVP9Decoder() (*VP9Decoder, error)
type VP9FrameBuffer
type VP9FrameBufferPool
type VP9Packet
- func (p *VP9Packet) Unmarshal(packet []byte) ([]byte, error)
type VP9PartitionHeadChecker
- func (*VP9PartitionHeadChecker) IsPartitionHead(packet []byte) bool
type VP9Payloader
- func (p *VP9Payloader) Payload(mtu int, payload []byte) [][]byte

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type DecodedImage ¶

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

func (*DecodedImage) Height ¶

func (f *DecodedImage) Height() uint32

func (*DecodedImage) IsKeyFrame ¶

func (f *DecodedImage) IsKeyFrame() bool

func (*DecodedImage) Plane ¶

func (f *DecodedImage) Plane(n int) []byte

func (*DecodedImage) Stride ¶

func (f *DecodedImage) Stride(n int) int

func (*DecodedImage) ToBytes ¶

func (f *DecodedImage) ToBytes(format decoder.ColorFormat) []uint8

func (*DecodedImage) ToRGBA ¶

func (f *DecodedImage) ToRGBA() *image.RGBA

func (*DecodedImage) Width ¶

func (f *DecodedImage) Width() uint32

type VP8Decoder ¶

type VP8Decoder struct {
	// contains filtered or unexported fields
}

func NewVP8Decoder ¶

func NewVP8Decoder() (*VP8Decoder, error)

func (*VP8Decoder) Close ¶

func (d *VP8Decoder) Close() error

func (*VP8Decoder) NewFrameBuilder ¶

func (d *VP8Decoder) NewFrameBuilder() *decoder.FrameBuilder

func (*VP8Decoder) Process ¶

func (d *VP8Decoder) Process(src <-chan *decoder.Frame, out chan<- decoder.DecodedImage)

type VP9Decoder ¶

type VP9Decoder struct {
	// contains filtered or unexported fields
}

func NewVP9Decoder ¶

func NewVP9Decoder() (*VP9Decoder, error)

func (*VP9Decoder) Close ¶

func (d *VP9Decoder) Close() error

func (*VP9Decoder) NewFrameBuilder ¶

func (d *VP9Decoder) NewFrameBuilder() *decoder.FrameBuilder

func (*VP9Decoder) Process ¶

func (d *VP9Decoder) Process(src <-chan *decoder.Frame, out chan<- decoder.DecodedImage)

type VP9FrameBuffer ¶

type VP9FrameBuffer struct {
	// contains filtered or unexported fields
}

func (*VP9FrameBuffer) AddRef ¶

func (p *VP9FrameBuffer) AddRef() int

func (*VP9FrameBuffer) GetData ¶

func (p *VP9FrameBuffer) GetData() *C.uint8_t

func (*VP9FrameBuffer) GetDataSize ¶

func (p *VP9FrameBuffer) GetDataSize() C.size_t

func (*VP9FrameBuffer) HasOneRef ¶

func (p *VP9FrameBuffer) HasOneRef() bool

func (*VP9FrameBuffer) Release ¶

func (p *VP9FrameBuffer) Release()

func (*VP9FrameBuffer) SetSize ¶

func (p *VP9FrameBuffer) SetSize(size C.size_t)

type VP9FrameBufferPool ¶

type VP9FrameBufferPool struct {
	// contains filtered or unexported fields
}

func (*VP9FrameBufferPool) Clear ¶

func (p *VP9FrameBufferPool) Clear()

func (*VP9FrameBufferPool) GetFrameBuffer ¶

func (p *VP9FrameBufferPool) GetFrameBuffer(minSize C.size_t) (*VP9FrameBuffer, error)

func (*VP9FrameBufferPool) GetNumBuffersInUse ¶

func (p *VP9FrameBufferPool) GetNumBuffersInUse() int

func (*VP9FrameBufferPool) Init ¶

func (p *VP9FrameBufferPool) Init(ctx *C.vpx_codec_ctx_t) error

type VP9Packet ¶

type VP9Packet struct {
	// Required header
	I bool // PictureID is present
	P bool // Inter-picture predicted frame
	L bool // Layer indices is present
	F bool // Flexible mode
	B bool // Start of a frame
	E bool // End of a frame
	V bool // Scalability structure (SS) data present

	// Recommended headers
	PictureID int16 // 7 or 16 bits, picture ID

	// Conditionally recommended headers
	TID uint8 // Temporal layer ID
	U   bool  // Switching up point
	SID uint8 // Spatial layer ID
	D   bool  // Inter-layer dependency used

	// Conditionally required headers
	PDiff     []uint8 // Reference index (F=1)
	TL0PICIDX uint8   // Temporal layer zero index (F=0)

	// Scalability structure headers
	N_S    uint8
	Y      bool
	G      bool
	N_G    uint8
	Width  []uint16
	Height []uint16

	Payload []byte
}

VP9Packet represents the VP9 header that is stored in the payload of an RTP Packet

func (*VP9Packet) Unmarshal ¶

func (p *VP9Packet) Unmarshal(packet []byte) ([]byte, error)

Unmarshal parses the passed byte slice and stores the result in the VP9Packet this method is called upon

type VP9PartitionHeadChecker ¶

type VP9PartitionHeadChecker struct{}

VP9PartitionHeadChecker checks VP9 partition head

func (*VP9PartitionHeadChecker) IsPartitionHead ¶

func (*VP9PartitionHeadChecker) IsPartitionHead(packet []byte) bool

IsPartitionHead checks whether if this is a head of the VP9 partition

type VP9Payloader ¶

type VP9Payloader struct {
	Rand *rand.Rand
	// contains filtered or unexported fields
}

VP9Payloader payloads VP9 packets

func (*VP9Payloader) Payload ¶

func (p *VP9Payloader) Payload(mtu int, payload []byte) [][]byte

Payload fragments an VP9 packet across one or more byte arrays

Source Files ¶

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