Method writeOnRenderThread

driver_wasapi_windows.go:373–413

()

}

func (c *wasapiContext) writeOnRenderThread() error {
	c.m.Lock()
	defer c.m.Unlock()

	paddingFrames, err := c.client.GetCurrentPadding()
	if err != nil {
		return err
	}

	frames := c.bufferFrames - paddingFrames
	if frames <= 0 {
		return nil
	}

	// Get the destination buffer.
	dstBuf, err := c.renderClient.GetBuffer(frames)
	if err != nil {
		return err
	}

	// Calculate the buffer size.
	if buflen := int(frames) * c.channelCount; cap(c.buf) < buflen {
		c.buf = make([]float32, buflen)
	} else {
		c.buf = c.buf[:buflen]
	}

	// Read the buffer from the players.
	c.mux.ReadFloat32s(c.buf)

	// Copy the read buf to the destination buffer.
	copy(unsafe.Slice((*float32)(unsafe.Pointer(dstBuf)), len(c.buf)), c.buf)

	// Release the buffer.
	if err := c.renderClient.ReleaseBuffer(frames, 0); err != nil {
		return err
	}

	c.buf = c.buf[:0]
	return nil
}

func (c *wasapiContext) Suspend() error {
	c.suspendedCond.L.Lock()