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 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()
}
}
}