goswresample

func (*SwrContext) Close ¶ added in v0.0.4

func (swrCtx *SwrContext) Close()

func (*SwrContext) Convert ¶

func (swrCtx *SwrContext) Convert(in []byte, inCount int) ([]byte, int)

Convert slice to new slice.

func (*SwrContext) ConvertChan ¶ added in v0.0.4

func (swrCtx *SwrContext) ConvertChan(ctx context.Context, inChan <-chan []byte) (context.Context, chan<- []byte)

Convert frame data from channel.

Parameter:

ctx: The context.Context to cancel this goroutine.
inChan: The []byte channel.

Return:

context.Context: The context.Context to get the cause of this gorouine.
<-chan []byte: The channel to read converted frame data.

Example:

ctx, outDataCh = trans.swrCtx.ConvertChan(parentCtx, inDataCh)
for {
	select {
	case <-ctx.Done():
		break loop
	case outData, ok := <-outDataCh:
		if !ok {
			break loop
		}
		// do something.
	}
}
err := context.Cause(ctx)
if err != nil {
	panic(err)
}

func (*SwrContext) ConvertFrame ¶

func (swrCtx *SwrContext) ConvertFrame(input *goavutil.AVFrame) (*goavutil.AVFrame, int)

Convert AVFrame to new AVFrame.

Example:

outFrame, code := ConvertFrame(inFrame)

func (*SwrContext) ConvertFrameChan ¶ added in v0.0.4

func (swrCtx *SwrContext) ConvertFrameChan(ctx context.Context, inputChan <-chan *goavutil.AVFrame) (context.Context, <-chan *goavutil.AVFrame)

Convert AVFrame from channel.

Parameter:

ctx: The context.Context to cancel this goroutine.
inputChan: The AVFrame channel.

Return:

context.Context: The context.Context to get the cause of this gorouine.
<-chan *goavutil.AVFrame: The channel to read converted AVFrame.

Example:

ctx, outFrameCh = trans.swrCtx.ConvertFrameChan(parentCtx, inFrameCh)
for {
	select {
	case <-ctx.Done():
		break loop
	case frame, ok := <-outFrameCh:
		if !ok {
			break loop
		}
		// do something.
	}
}
err := context.Cause(ctx)
if err != nil {
	panic(err)
}

func (*SwrContext) ConvertFrameToFrame ¶ added in v0.0.4

func (swrCtx *SwrContext) ConvertFrameToFrame(output *goavutil.AVFrame, input *goavutil.AVFrame) int

Convert AVFrame to existing AVFrame.

Example:

output := goavutil.AllocAVFrame()
output.SetChLayout(outChLayout)
output.SetSampleRate(int(outSampleRate))
output.SetFormat(int(outSampleFmt))
code := swrCtx.ConvertFrameToFrame(output, input)

func (*SwrContext) ConvertUnsafeToUnsafe ¶ added in v0.0.4

func (swrCtx *SwrContext) ConvertUnsafeToUnsafe(out *unsafe.Pointer, outCount int, in *unsafe.Pointer, inCount int) int

Convert pointer to pointer.

func (*SwrContext) DropOutput ¶ added in v0.0.4

func (swrCtx *SwrContext) DropOutput(count int) int

func (*SwrContext) Free ¶

func (swrCtx *SwrContext) Free()

func (*SwrContext) GetDelay ¶

func (swrCtx *SwrContext) GetDelay(base int64) int64

func (*SwrContext) GetInChLayout ¶

func (swrCtx *SwrContext) GetInChLayout() (*goavutil.AVChannelLayout, int)

func (*SwrContext) GetInSampleFmt ¶

func (swrCtx *SwrContext) GetInSampleFmt() (avutil.CAVSampleFormat, int)

func (*SwrContext) GetInSampleRate ¶

func (swrCtx *SwrContext) GetInSampleRate() (int64, int)

func (*SwrContext) GetOutChLayout ¶

func (swrCtx *SwrContext) GetOutChLayout() (*goavutil.AVChannelLayout, int)

func (*SwrContext) GetOutSampleFmt ¶

func (swrCtx *SwrContext) GetOutSampleFmt() (avutil.CAVSampleFormat, int)

func (*SwrContext) GetOutSampleRate ¶

func (swrCtx *SwrContext) GetOutSampleRate() (int64, int)

func (*SwrContext) Init ¶

func (swrCtx *SwrContext) Init() int

func (*SwrContext) InjectSilence ¶ added in v0.0.4

func (swrCtx *SwrContext) InjectSilence(count int) int

func (*SwrContext) IsInitialized ¶ added in v0.0.4

func (swrCtx *SwrContext) IsInitialized() bool

func (*SwrContext) NextPts ¶ added in v0.0.4

func (swrCtx *SwrContext) NextPts(pts int64) int64

func (*SwrContext) SetChannelMapping ¶ added in v0.0.4

func (swrCtx *SwrContext) SetChannelMapping() int

func (*SwrContext) SetCompensation ¶ added in v0.0.4

func (swrCtx *SwrContext) SetCompensation(pts int64, sampleDelta int, compensationDistance int) int

func (*SwrContext) SetInChLayout ¶

func (swrCtx *SwrContext) SetInChLayout(layout *goavutil.AVChannelLayout) int

func (*SwrContext) SetInSampleFmt ¶

func (swrCtx *SwrContext) SetInSampleFmt(fmt avutil.CAVSampleFormat) int

func (*SwrContext) SetInSampleRate ¶

func (swrCtx *SwrContext) SetInSampleRate(sampleRate int64) int

func (*SwrContext) SetMatrix ¶ added in v0.0.4

func (swrCtx *SwrContext) SetMatrix() int

func (*SwrContext) SetOutChLayout ¶

func (swrCtx *SwrContext) SetOutChLayout(layout *goavutil.AVChannelLayout) int

func (*SwrContext) SetOutSampleFmt ¶

func (swrCtx *SwrContext) SetOutSampleFmt(fmt avutil.CAVSampleFormat) int

func (*SwrContext) SetOutSampleRate ¶

func (swrCtx *SwrContext) SetOutSampleRate(sampleRate int64) int

func (*SwrContext) SwrConfigFrame ¶ added in v0.0.4

func (swrCtx *SwrContext) SwrConfigFrame(output *goavutil.AVFrame, input *goavutil.AVFrame) int

func (*SwrContext) SwrGetOutSamples ¶ added in v0.0.4

func (swrCtx *SwrContext) SwrGetOutSamples(inSamples int) int