Function newContext

driver_windows.go:41–74

(sampleRate int, channelCount int, format mux.Format, bufferSizeInBytes int)

}

func newContext(sampleRate int, channelCount int, format mux.Format, bufferSizeInBytes int) (*context, chan struct{}, error) {
	ctx := &context{
		sampleRate:   sampleRate,
		channelCount: channelCount,
		mux:          mux.New(sampleRate, channelCount, format),
		ready:        make(chan struct{}),
	}

	// Initializing drivers might take some time. Do this asynchronously.
	go func() {
		defer close(ctx.ready)

		xc, err0 := newWASAPIContext(sampleRate, channelCount, ctx.mux, bufferSizeInBytes)
		if err0 == nil {
			ctx.wasapiContext = xc
			return
		}

		wc, err1 := newWinMMContext(sampleRate, channelCount, ctx.mux, bufferSizeInBytes)
		if err1 == nil {
			ctx.winmmContext = wc
			return
		}

		if errors.Is(err0, errDeviceNotFound) && errors.Is(err1, errDeviceNotFound) {
			ctx.nullContext = newNullContext(sampleRate, channelCount, ctx.mux)
			return
		}

		ctx.err.TryStore(fmt.Errorf("oto: initialization failed: WASAPI: %v, WinMM: %v", err0, err1))
	}()

	return ctx, ctx.ready, nil
}

func (c *context) Suspend() error {
	<-c.ready