decoder

package

v0.0.0-...-ac6b29b Latest Latest Go to latest Published: Nov 3, 2023 License: BSD-3-Clause Imports: 8 Imported by: 0

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const (
	PixelFormatRGB = avcodec.AV_PIX_FMT_RGB24
	PixelFormatBGR = av_PIX_FMT_BGR24
)

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const (
	H264 = Compression(avcodec.AV_CODEC_ID_H264)
	H265 = Compression(avcodec.AV_CODEC_ID_H265)
)

This section is empty.

This section is empty.

type Compression int

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

func New(pxlFmt PixelFormat, cpr Compression) (*Decoder, error)

New creates new Decoder It accepts expected pixel format for the output which

func (h *Decoder) Close()

Close free ups memory used for decoder structures It needs to be called to prevent memory leaks

func (h *Decoder) Decode(data []byte) ([]*Frame, error)

Decode tries to parse the input data and return list of frames If input data doesn't contain any H.264/H.265 frames the list will be empty

type Frame struct {
	Data                  []byte
	Width, Height, Stride int
}

Frame represents decoded frame from H.264/H.265 stream Data field will contain bitmap data in the pixel format specified in the decoder

func (f *Frame) ToRGB() *rgb.Image

ToRGBA converts the frame into image.RGBA The returned image share the same memory as the frame

type PixelFormat int