public VoicePool(XAudio2 xAudio2, Voice masterVoice)
{
_objects = new ConcurrentDictionary <WaveFormat, ConcurrentBag <SourceVoiceEx> >();
_objectGenerator = format =>
{
var newVoice = new SourceVoice(xAudio2, format, VoiceFlags.None, 3.0f, true);
newVoice.SetOutputVoices(new[] { new VoiceSendDescriptor(masterVoice) });
var newId = Interlocked.Increment(ref _nextOperationId);
var sourceVoiceEx = new SourceVoiceEx(newVoice, Guid.NewGuid(), format, newId);
return(sourceVoiceEx);
};
}
public override Task <ISoundPlayerBuilder <IStorageFileEx> > BuildAsync()
{
DisposeInternally();
_dataStream = new DataStream(_currentSampleBuffer.Length, true, true);
_overLapDataStream = new DataStream(_currentSampleBuffer.Length, true, true);
_dataStream.Read(_currentSampleBuffer, 0, _currentSampleBuffer.Length);
_dataStream.Seek(0, 0);
_overLapDataStream.Read(_currentSampleBuffer, 0, _currentSampleBuffer.Length);
_overLapDataStream.Seek(0, 0);
SourceVoice = VoicePool.GetVoice(WaveFormat);
_overlapSourceVoice = VoicePool.GetVoice(WaveFormat);
SourceVoice.PlayWith(_dataStream);
_overlapSourceVoice.PlayWith(_overLapDataStream);
return(Task.FromResult <ISoundPlayerBuilder <IStorageFileEx> >(this));
}
public void PutVoice(SourceVoiceEx item, WaveFormat waveFormat)
{
item.Id = Guid.Empty;
item.SourceVoice.Stop(XAudio2.CommitNow);
ConcurrentBag <SourceVoiceEx> bag;
if (_objects.TryGetValue(waveFormat, out bag) && bag != null)
{
bag.Add(item);
return;
}
bag = new ConcurrentBag <SourceVoiceEx> {
item
};
_objects.TryAdd(waveFormat, bag);
}
public bool IsPooled(SourceVoiceEx voice)
{
var pooled = _objects.Values.SelectMany(exs => exs).Any(ex => ReferenceEquals(voice, ex));
return(pooled);
}