public ProactiveAudioStreamSourceOpenTk(
IDiscardableNode parent,
Action <byte[]> populateFunc,
int channels,
int bytesPerSample,
int frequency,
int numBuffers,
int bufferSize)
{
this.node_ = parent.CreateChild();
this.node_.OnDiscard += _ => this.Destroy_();
this.sourceId_ = AL.GenSource();
this.bufferIds_ = AL.GenBuffers(numBuffers).ToImmutableArray();
this.populateFunc_ = populateFunc;
this.format_ = PcmHelperOpenTk.GetPcmFormat(channels, bytesPerSample);
this.frequency_ = frequency;
this.bufferSize_ = bufferSize;
this.currentBufferIndex_ =
new CircularRangedInt(0, 0, numBuffers);
// TODO: Delay this until the observable has returned some value. Stream
// should remember stop/play/paused state as expected in the meantime.
this.readyBuffersIds_ = new Queue <int>();
foreach (var bufferId in this.bufferIds_)
{
this.readyBuffersIds_.Enqueue(bufferId);
}
this.PopulateAndQueueReadyBuffers_();
}
public void FillWithPcm(IPcmData pcm)
{
this.pcm_ = pcm;
var channels = pcm.Channels;
var bytesPerSample = pcm.BytesPerSample;
var format = PcmHelperOpenTk.GetPcmFormat(channels, bytesPerSample);
var bytes = pcm.Pcm;
AL.BufferData(this.Id,
format,
bytes,
bytes.Length,
pcm.SampleRate);
}
