func play_music(music openal.Source) { file := "music" + slash + "1.wav" buffer := openal.NewBuffer() data, _ := ioutil.ReadFile(file) buffer.SetData(openal.FormatStereo16, data, 44100) music.SetBuffer(buffer) music.Play() for true { time.Sleep(1 * time.Second) if music.State() == openal.Stopped { buffer := openal.NewBuffer() last := "" switch len(tracklist) { case 1: file = tracklist[0] last = file tracklist = []string{"music" + slash + "1.wav", "music" + slash + "2.wav", "music" + slash + "3.wav"} default: i := randomInt(len(tracklist)) file = tracklist[i] for file == last { i := randomInt(len(tracklist)) file = tracklist[i] } tracklist = append(tracklist[:i], tracklist[i+1:]...) } data, _ := ioutil.ReadFile(file) buffer.SetData(openal.FormatStereo16, data, 44100) music.SetBuffer(buffer) music.Play() } } }
func (s *Stream) OnAudioPacket(e *gumble.AudioPacketEvent) { packet := e.AudioPacket samples := len(packet.PositionalAudioBuffer.AudioBuffer) if samples*2 > cap(s.buffer) { return } var source openal.Source if userSource, ok := s.userStreams[packet.Sender.Session]; !ok { source = openal.NewSource() s.userStreams[packet.Sender.Session] = source } else { source = userSource } for i, value := range packet.PositionalAudioBuffer.AudioBuffer { binary.LittleEndian.PutUint16(s.buffer[i*2:], uint16(value)) } var buffer openal.Buffer for source.BuffersProcessed() > 0 { openal.DeleteBuffer(source.UnqueueBuffer()) } buffer = openal.NewBuffer() buffer.SetData(openal.FormatMono16, s.buffer[0:samples*2], gumble.AudioSampleRate) source.QueueBuffer(buffer) if source.State() != openal.Playing { source.Play() } }
func main() { device := openal.OpenDevice("") context := device.CreateContext() context.Activate() //listener := new(openal.Listener) source := openal.NewSource() //source.SetPitch(1) //source.SetGain(1) //position := &openal.Vector{0, 0, 0} //velocity := &openal.Vector{0, 0, 0} //source.SetPosition(position) //source.SetVelocity(velocity) source.SetLooping(false) buffer := openal.NewBuffer() data, err := ioutil.ReadFile("welcome.wav") if err != nil { panic(err) } buffer.SetData(openal.FormatMono16, data, 44100) source.SetBuffer(buffer) source.Play() for source.State() == openal.Playing { //loop long enough to let the wave file finish } source.Pause() context.Destroy() }
func (s *Stream) OnAudioStream(e *gumble.AudioStreamEvent) { go func() { source := openal.NewSource() var raw [gumble.AudioMaximumFrameSize * 2]byte for packet := range e.C { samples := len(packet.AudioBuffer) if samples > cap(raw) { continue } for i, value := range packet.AudioBuffer { binary.LittleEndian.PutUint16(raw[i*2:], uint16(value)) } for source.BuffersProcessed() > 0 { source.UnqueueBuffer().Delete() } buffer := openal.NewBuffer() buffer.SetData(openal.FormatMono16, raw[:samples*2], gumble.AudioSampleRate) source.QueueBuffer(buffer) if source.State() != openal.Playing { source.Play() } } for source.BuffersProcessed() > 0 { source.UnqueueBuffer().Delete() } source.Delete() }() }
func play_crash() { menu_click := openal.NewSource() menu_click.SetLooping(false) file := "sounds" + slash + "crash.wav" buffer := openal.NewBuffer() data, _ := ioutil.ReadFile(file) buffer.SetData(openal.FormatStereo16, data, 44100) menu_click.SetBuffer(buffer) menu_click.Play() }
func play_explosion() { menu_click := openal.NewSource() menu_click.SetLooping(false) file := "sounds" + slash + "bomb.wav" buffer := openal.NewBuffer() data, _ := ioutil.ReadFile(file) buffer.SetData(openal.FormatStereo16, data, 11025) menu_click.SetBuffer(buffer) menu_click.Play() }
func main() { d := openal.OpenDevice(openal.GetString(openal.DefaultDeviceSpecifier)) ctx := d.CreateContext() ctx.Activate() s := openal.NewSource() stereo := newStereo() var arr = make([][2]int16, sampleRate) for i := 0; i < 3; i++ { b := openal.NewBuffer() stereo.processAudio(arr) b.SetDataStereo16(arr, sampleRate) s.QueueBuffer(b) } s.Play() time.Sleep(5 * time.Second) }
func ExamplePlay() { device := openal.OpenDevice("") defer device.CloseDevice() context := device.CreateContext() defer context.Destroy() context.Activate() source := openal.NewSource() defer source.Pause() source.SetLooping(false) buffer := openal.NewBuffer() if err := openal.Err(); err != nil { fmt.Println(err) return } data, err := ioutil.ReadFile("data/welcome.wav") if err != nil { fmt.Println(err) return } buffer.SetData(openal.FormatMono16, data, 44100) source.SetBuffer(buffer) source.Play() for source.State() == openal.Playing { // loop long enough to let the wave file finish time.Sleep(time.Millisecond * 100) } source.Delete() fmt.Println("sound played") // Output: sound played }