private void PlayThread()
{
ResamplerDmoStream resamplerDmoStream = null;
IWaveProvider playbackProvider = this.sourceProvider;
Exception exception = null;
try
{
if (this.dmoResamplerNeeded)
{
resamplerDmoStream = new ResamplerDmoStream(sourceProvider, outputFormat);
playbackProvider = resamplerDmoStream;
}
// fill a whole buffer
bufferFrameCount = audioClient.BufferSize;
bytesPerFrame = outputFormat.Channels * outputFormat.BitsPerSample / 8;
readBuffer = new byte[bufferFrameCount * bytesPerFrame];
FillBuffer(playbackProvider, bufferFrameCount);
// Create WaitHandle for sync
var waitHandles = new WaitHandle[] { frameEventWaitHandle };
audioClient.Start();
while (playbackState != PlaybackState.Stopped)
{
// If using Event Sync, Wait for notification from AudioClient or Sleep half latency
int indexHandle = 0;
if (isUsingEventSync)
{
indexHandle = WaitHandle.WaitAny(waitHandles, 3 * latencyMilliseconds, false);
}
else
{
Thread.Sleep(latencyMilliseconds / 2);
}
// If still playing and notification is ok
if (playbackState == PlaybackState.Playing && indexHandle != WaitHandle.WaitTimeout)
{
// See how much buffer space is available.
int numFramesPadding = 0;
if (isUsingEventSync)
{
// In exclusive mode, always ask the max = bufferFrameCount = audioClient.BufferSize
numFramesPadding = (shareMode == AudioClientShareMode.Shared) ? audioClient.CurrentPadding : 0;
}
else
{
numFramesPadding = audioClient.CurrentPadding;
}
int numFramesAvailable = bufferFrameCount - numFramesPadding;
if (numFramesAvailable > 10) // see https://naudio.codeplex.com/workitem/16363
{
FillBuffer(playbackProvider, numFramesAvailable);
}
}
}
Thread.Sleep(latencyMilliseconds / 2);
audioClient.Stop();
if (playbackState == PlaybackState.Stopped)
{
audioClient.Reset();
}
}
catch (Exception e)
{
exception = e;
}
finally
{
if (resamplerDmoStream != null)
{
resamplerDmoStream.Dispose();
}
RaisePlaybackStopped(exception);
}
}
private void PlayThread()
{
ResamplerDmoStream resamplerDmoStream = null;
IWaveProvider playbackProvider = this.sourceProvider;
Exception exception = null;
try
{
if (this.dmoResamplerNeeded)
{
resamplerDmoStream = new ResamplerDmoStream(sourceProvider, outputFormat);
playbackProvider = resamplerDmoStream;
}
// fill a whole buffer
bufferFrameCount = audioClient.BufferSize;
bytesPerFrame = outputFormat.Channels * outputFormat.BitsPerSample / 8;
readBuffer = new byte[bufferFrameCount * bytesPerFrame];
FillBuffer(playbackProvider, bufferFrameCount);
// Create WaitHandle for sync
var waitHandles = new WaitHandle[] { frameEventWaitHandle };
audioClient.Start();
while (playbackState != PlaybackState.Stopped)
{
// If using Event Sync, Wait for notification from AudioClient or Sleep half latency
int indexHandle = 0;
if (isUsingEventSync)
{
indexHandle = WaitHandle.WaitAny(waitHandles, 3 * latencyMilliseconds, false);
}
else
{
Thread.Sleep(latencyMilliseconds / 2);
}
// If still playing and notification is ok
if (playbackState == PlaybackState.Playing && indexHandle != WaitHandle.WaitTimeout)
{
// See how much buffer space is available.
int numFramesPadding = 0;
if (isUsingEventSync)
{
// In exclusive mode, always ask the max = bufferFrameCount = audioClient.BufferSize
numFramesPadding = (shareMode == AudioClientShareMode.Shared) ? audioClient.CurrentPadding : 0;
}
else
{
numFramesPadding = audioClient.CurrentPadding;
}
int numFramesAvailable = bufferFrameCount - numFramesPadding;
if (numFramesAvailable > 10) // see https://naudio.codeplex.com/workitem/16363
{
FillBuffer(playbackProvider, numFramesAvailable);
}
}
}
Thread.Sleep(latencyMilliseconds / 2);
audioClient.Stop();
if (playbackState == PlaybackState.Stopped)
{
audioClient.Reset();
}
}
catch (Exception e)
{
exception = e;
}
finally
{
if (resamplerDmoStream != null)
{
resamplerDmoStream.Dispose();
}
RaisePlaybackStopped(exception);
}
}
