protected void Dispose(bool disposing)
{
lock (_lockObject)
{
if (disposing)
{
if (_converter != null)
{
_converter.Dispose();
_converter = null;
}
if (_stream != null)
{
_stream.Dispose();
_stream = null;
}
if (_frameInfoCollection != null)
{
_frameInfoCollection.Dispose();
_frameInfoCollection = null;
}
_pcmDstBuffer = null;
_frame = null;
}
}
}
private void BufferProc(object o)
{
if (_stream == null || _stream.CanRead == false)
{
throw new Exception("Mp3WebStream not initialized");
}
MP3Frame frame = GetNextFrame(_stream);
int channels = frame.ChannelMode == MP3ChannelMode.Stereo ? 2 : 1;
AcmConverter converter = new AcmConverter(new MP3Format(frame.SampleRate, frame.ChannelCount, frame.FrameLength, frame.BitRate));
_waveFormat = converter.DestinationFormat;
byte[] buffer = new byte[16384 * 4];
_buffer = new FixedSizeBuffer <byte>(converter.DestinationFormat.BytesPerSecond * 10);
ManualResetEvent resetEvent = o as ManualResetEvent;
resetEvent.Set();
do
{
if (_buffer.Buffered >= _buffer.Length * 0.85 && !_disposing)
{
Thread.Sleep(250);
continue;
}
try
{
frame = GetNextFrame(_stream);
//_frameBuffer is set in GetNextFrame
int count = converter.Convert(_frameBuffer, frame.FrameLength, buffer, 0);
if (count > 0)
{
int written = _buffer.Write(buffer, 0, count);
}
}
catch (MmException)
{
_disposing = true;
ThreadPool.QueueUserWorkItem((c) =>
{
while (_bufferThread.ThreadState != System.Threading.ThreadState.Stopped)
{
;
}
CreateStream(false);
});
}
catch (WebException)
{
InitializeConnection();
}
catch (IOException)
{
InitializeConnection();
}
} while (!_disposing);
if (converter != null)
{
converter.Dispose();
}
}