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()
}
}
