Event which user speaks ? about gumble HOT 2 OPEN

rpio.Open()
pin := rpio.Pin(17)
pin.Output()
fmt.Printf("A")
pin.Low()
timerptt := time.NewTimer(time.Millisecond * 20)

var watchpin = true
go func() {
	for watchpin {
			<-timerptt.C
				pin.Low()
		}
}()



go func() {
	source := openal.NewSource()
	emptyBufs := openal.NewBuffers(8)
	reclaim := func() {
		if n := source.BuffersProcessed(); n > 0 {
			reclaimedBufs := make(openal.Buffers, n)
			source.UnqueueBuffers(reclaimedBufs)
			emptyBufs = append(emptyBufs, reclaimedBufs...)

		}
	}
	
	var raw [gumble.AudioMaximumFrameSize * 2]byte
	
	for packet := range e.C {
		samples := len(packet.AudioBuffer)
		pin.High()
		timerptt.Reset(time.Second)
		if samples > cap(raw) {			
			continue
		}
		for i, value := range packet.AudioBuffer {
			binary.LittleEndian.PutUint16(raw[i*2:], uint16(value))
		}
		reclaim()
		if len(emptyBufs) == 0 {
			continue
		}

		last := len(emptyBufs) - 1
		buffer := emptyBufs[last]
		emptyBufs = emptyBufs[:last]
		buffer.SetData(openal.FormatMono16, raw[:samples*2], gumble.AudioSampleRate)
		source.QueueBuffer(buffer)
			
		if source.State() != openal.Playing {
			source.Play()						
		}
		

	}
	watchpin = false
	reclaim()
	emptyBufs.Delete()
	source.Delete()
	
}()