public void QueuePlayback(AudioSource audioSource, byte[] data)
{
if (this.isDisposed)
{
throw new ObjectDisposedException("OpenALPlaybackProvider");
}
if (audioSource == null)
{
throw new ArgumentNullException("audioSource");
}
Stack <SourceBuffer> bufferStack;
if (!this.buffers.TryGetValue(audioSource, out bufferStack))
{
this.buffers[audioSource] = bufferStack = new Stack <SourceBuffer>();
}
lock (this.pool.SyncRoot)
{
Source source = this.pool.RequestSource(audioSource);
Tuple <float, float> gain;
if (this.gains.TryGetValue(audioSource, out gain))
{
source.Gain = gain.Item2;
}
else
{
source.Gain = this.normalGain;
}
const int bufferLen = 4;
if (data.Length == 0)
{
return;
}
if (!source.IsPlaying)
{
OpenAL.DebugFormat("{0} bound to {1} isn't playing, inserting silent buffers", audioSource, source);
RequireBuffers(bufferStack, source, bufferLen);
for (int i = 0; i < bufferLen; ++i)
{
OpenALAudioFormat format = audioSource.CodecSettings.ToOpenALFormat();
SourceBuffer wait = bufferStack.Pop();
wait.Buffer(new byte[format.GetBytes((uint)audioSource.CodecSettings.FrameSize)], format, (uint)audioSource.CodecSettings.SampleRate);
source.QueueAndPlay(wait);
}
}
RequireBuffers(bufferStack, source, 1);
SourceBuffer buffer = bufferStack.Pop();
buffer.Buffer(data, audioSource.CodecSettings.ToOpenALFormat(), (uint)audioSource.CodecSettings.SampleRate);
source.QueueAndPlay(buffer);
}
}
/// <summary>
/// Opens the capture device with the specified <paramref name="frequency"/> and <paramref name="format"/>.
/// </summary>
/// <param name="frequency">The frequency to open the capture device with.</param>
/// <param name="format">The audio format to open the device with.</param>
/// <returns>Returns <c>this</c>.</returns>
public CaptureDevice Open(uint frequency, OpenALAudioFormat format)
{
ThrowIfDisposed();
OpenAL.DebugFormat("Opening capture device {0} at {1} {2}", Name, frequency, format);
this.Format = format;
this.Frequency = frequency;
uint bufferSize = format.GetBytes(format.GetSamplesPerSecond(frequency)) * 2;
this.Handle = alcCaptureOpenDevice(this.Name, frequency, format, (int)bufferSize);
OpenAL.ErrorCheck(this);
pcm = new byte[bufferSize];
return(this);
}
/// <summary>
/// Opens the capture device with the specified <paramref name="frequency"/> and <paramref name="format"/>.
/// </summary>
/// <param name="frequency">The frequency to open the capture device with.</param>
/// <param name="format">The audio format to open the device with.</param>
/// <returns>Returns <c>this</c>.</returns>
public CaptureDevice Open(uint frequency, OpenALAudioFormat format)
{
ThrowIfDisposed();
OpenAL.DebugFormat ("Opening capture device {0} at {1} {2}", Name, frequency, format);
this.Format = format;
this.Frequency = frequency;
uint bufferSize = format.GetBytes (format.GetSamplesPerSecond (frequency)) * 2;
this.Handle = alcCaptureOpenDevice (this.Name, frequency, format, (int)bufferSize);
OpenAL.ErrorCheck (this);
pcm = new byte[bufferSize];
return this;
}