private int FillBuffer(AudioBuffer audioBuffer)
{
int bytes;
int totalBytes = 0;
int length = buffer.Length;
while (totalBytes < length && (bytes = stream.Read(buffer, totalBytes, length - totalBytes)) > 0)
totalBytes += bytes;
audioBuffer.BufferData(stream.Format, stream.Frequency, buffer, totalBytes);
return totalBytes;
}
internal static int GetID(AudioBuffer buffer)
{
return (buffer == null) ? (NullBufferID) : (buffer.ID);
}
public void CaptureSamples(AudioBuffer buffer, int sampleCount)
{
buffer.BufferData(format, frequency, CaptureSamples(sampleCount));
}
public void CaptureSamples(AudioBuffer buffer)
{
CaptureSamples(buffer, AvaliabeSampleCount);
}
internal void EnqueueBufferInternal(int id, AudioBuffer buffer)
{
try
{
queueLock.AcquireWriterLock(Timeout.Infinite);
Al.alSourceQueueBuffers(ID, 1, ref id);
OpenAlException.CheckAl();
queue.AddLast(buffer);
}
finally
{
queueLock.ReleaseWriterLock();
}
}
/// <summary>
/// Enqueues a Buffer for playing
/// </summary>
/// <param name="buffer">the buffer to be queued</param>
public void EnqueueBuffer(AudioBuffer buffer)
{
EnqueueBufferInternal(AudioBuffer.GetID(buffer), buffer);
}
/// <summary>
/// Dequeues a Range of buffers
/// </summary>
/// <param name="count">the number of buffers to dequeue</param>
/// <returns>An array of AudioBuffers</returns>
public AudioBuffer[] DequeueBufferRange(int count)
{
try
{
queueLock.AcquireWriterLock(Timeout.Infinite);
DequeueBuffersInternal(count);
AudioBuffer[] rv = new AudioBuffer[count];
for (int pos = 0; pos < count; ++pos)
{
rv[pos] = queue.First.Value;
queue.RemoveFirst();
}
return rv;
}
finally
{
queueLock.ReleaseWriterLock();
}
}
