public void CanRegisterSourceVoiceCallback()
{
const int lengthInSeconds = 2;
bool b0 = false, b1 = false;
var callback = new VoiceCallback();
using (var masteringVoice = _xaudio2.CreateMasteringVoice())
using (var sourceVoice = _xaudio2.CreateSourceVoice(_source.WaveFormat, VoiceFlags.None, CSCore.XAudio2.XAudio2.DefaultFrequencyRatio, callback, null, null))
{
callback.BufferStart += (s, e) => b0 = true;
callback.BufferEnd += (s, e) => b1 = true;
byte[] rawBuffer = new byte[_source.WaveFormat.BytesPerSecond * lengthInSeconds];
int read = _source.Read(rawBuffer, 0, rawBuffer.Length);
var buffer = new XAudio2Buffer(read);
using (var stream = buffer.GetStream())
{
stream.Write(rawBuffer, 0, read);
}
sourceVoice.SubmitSourceBuffer(buffer);
sourceVoice.Start();
Thread.Sleep(lengthInSeconds * 1000 + 2000);
Assert.IsTrue(b0, "No BufferStart.");
Assert.IsTrue(b1, "No BufferEnd.");
}
}
private static void PlayWithoutStreaming(IWaveSource waveSource)
{
using (var xaudio2 = XAudio2.CreateXAudio2())
using (var masteringVoice = xaudio2.CreateMasteringVoice()) //ALWAYS create at least one masteringVoice.
using (var sourceVoice = xaudio2.CreateSourceVoice(waveSource.WaveFormat))
{
var buffer = waveSource.ToByteArray();
using (var sourceBuffer = new XAudio2Buffer(buffer.Length))
{
using (var stream = sourceBuffer.GetStream())
{
stream.Write(buffer, 0, buffer.Length);
}
sourceVoice.SubmitSourceBuffer(sourceBuffer);
}
sourceVoice.Start();
Console.WriteLine("Press any key to exit.");
Console.ReadKey();
sourceVoice.Stop();
}
}
private void voice_VoiceProcessingPassStart(uint bufferSize)
{
var bufferSamples = bufferSize / sizeof(float);
var buffer = new XAudio2Buffer(bufferSamples);
for (uint i = 0; i < bufferSamples; ++i)
{
buffer.SetSample(i, (float)Math.Sin(phase));
phase = (phase + (Delta * frequency)) % TwoPi;
}
voice.SubmitSourceBuffer(buffer);
}
public void CanRegisterEngineCallback()
{
const int lengthInSeconds = 2;
bool b0 = false, b1 = false;
XAudio2EngineCallback engineCallback = new XAudio2EngineCallback();
engineCallback.ProcessingPassStart += (s, e) =>
b0 = true;
engineCallback.ProcessingPassEnd += (s, e) =>
b1 = true;
_xaudio2.RegisterForCallbacks(engineCallback);
using (var masteringVoice = _xaudio2.CreateMasteringVoice())
using (var sourceVoice = _xaudio2.CreateSourceVoice(_source.WaveFormat))
{
byte[] rawBuffer = new byte[_source.WaveFormat.BytesPerSecond * lengthInSeconds];
int read = _source.Read(rawBuffer, 0, rawBuffer.Length);
var buffer = new XAudio2Buffer(read);
using (var stream = buffer.GetStream())
{
stream.Write(rawBuffer, 0, read);
}
sourceVoice.SubmitSourceBuffer(buffer);
sourceVoice.Start();
Thread.Sleep((lengthInSeconds * 1000 + 500) / 2);
Assert.IsTrue(b0 || b1);
Console.WriteLine("Unregistered");
_xaudio2.UnregisterForCallbacks(engineCallback);
b0 = b1 = false;
Thread.Sleep((lengthInSeconds * 1000 + 500) / 4);
Assert.IsFalse(b0 && b1);
Console.WriteLine("Register");
_xaudio2.RegisterForCallbacks(engineCallback);
Thread.Sleep((lengthInSeconds * 1000 + 500) / 4);
Assert.IsTrue(b0 || b1);
}
_xaudio2.UnregisterForCallbacks(engineCallback);
}
private void OnSoundLoaded(string soundId, AudioData data)
{
if (data == null)
{
Logger.Error($"Sound failed to load {GetFullName()}: {soundId}");
return;
}
_callback?.Dispose();
_callback = new VoiceCallback();
_callback.LoopEnd += CallbackOnLoopEnd;
var source = data.AudioSource;
_voice = SoundService.XAudio2.CreateSourceVoice(source.WaveFormat, VoiceFlags.None,
XAudio2.DefaultFrequencyRatio, null, null, null);
var length = (TimeSpan)source.GetLength();
var buffer = source.ToByteArray();
var stream = new DataStream(buffer.Length, true, true);
stream.Write(buffer, 0, buffer.Length);
_audioBuffer = new XAudio2Buffer
{
AudioDataPtr = stream.DataPointer,
AudioBytes = buffer.Length,
Flags = XAudio2BufferFlags.EndOfStream
};
_loopedAudioBuffer = new XAudio2Buffer
{
AudioDataPtr = stream.DataPointer,
AudioBytes = buffer.Length,
Flags = XAudio2BufferFlags.EndOfStream,
LoopCount = XAudio2Buffer.LoopInfinite
};
data.AudioSource.SetPosition((System.TimeSpan)StartingPosition);
_voice.Volume = _volume;
_voice.SetFrequencyRatio(_pitch);
TrackLength = length;
IsLoaded = true;
Loaded.Fire(soundId);
}
public void CanSubmitSourceBuffer()
{
const int lengthInSeconds = 2;
using (var masteringVoice = _xaudio2.CreateMasteringVoice())
using (var sourceVoice = _xaudio2.CreateSourceVoice(_source.WaveFormat))
{
byte[] rawBuffer = new byte[_source.WaveFormat.BytesPerSecond * lengthInSeconds];
int read = _source.Read(rawBuffer, 0, rawBuffer.Length);
var buffer = new XAudio2Buffer(read);
using (var stream = buffer.GetStream())
{
stream.Write(rawBuffer, 0, read);
}
sourceVoice.SubmitSourceBuffer(buffer);
sourceVoice.Start();
Thread.Sleep(lengthInSeconds * 1000 + 500);
}
}
