/// <summary>
/// Stops the playback of the current instance indicating whether the stop should occur immediately of at the end of the sound.
/// </summary>
/// <param name="immediate">A value indicating whether the playback should be stopped immediately or at the end of the sound.</param>
public void Stop(bool immediate)
{
if (immediate && IsLooped)
{
voice.ExitLoop();
}
Stop();
}
/// <summary>
/// Stop audio
/// </summary>
public void Stop()
{
if (!isPlaying)
{
return;
}
_voice.ExitLoop();
_voice.Stop();
_voice.FlushSourceBuffers();
isPlaying = false;
_checkThread.Abort();
}
/// <summary>
/// Stops the playback of the current instance indicating whether the stop should occur immediately of at the end of the sound.
/// </summary>
/// <param name="immediate">A value indicating whether the playback should be stopped immediately or at the end of the sound.</param>
/// <exception cref="ObjectDisposedException">Is thrown if the current instance was already disposed.</exception>
public void Stop(bool immediate)
{
if (IsDisposed)
{
throw new ObjectDisposedException(this.GetType().FullName);
}
if (immediate)
{
voice.Stop(0);
}
else if (IsLooped)
{
voice.ExitLoop();
}
else
{
voice.Stop((int)PlayFlags.Tails);
}
paused = false;
}
internal override void ExitLoopImpl()
{
SourceVoice.ExitLoop();
}
private void process()
{
lock (lockObject)
preparing = true;
byte[] outBuffer = new Byte[4096];
if (byteStream == null)
{
oggFile = new OggVorbisFileStream(fileNames[playPointer]);
}
else
{
oggStream = new OggVorbisEncodedStream(byteStream);
}
MemoryStream PcmStream = null;
int PcmBytes = -1;
PcmStream = new MemoryStream();
WaveFormat waveFormat = new WaveFormat();
AudioBuffer[] theBuffers = new AudioBuffer[maxBuffers];
int nextBuffer = 0;
bool firstLoop = true;
bool startedSourceVoice = false;
// Decode the Ogg Vorbis data into its PCM data
while (PcmBytes != 0)
{
// Get the next chunk of PCM data, pin these so the GC can't
while (true)
{
PcmBytes = (oggStream == null) ? oggFile.Read(outBuffer, 0, outBuffer.Length)
: oggStream.Read(outBuffer, 0, outBuffer.Length);
if (PcmBytes == 0) //Reached the end
{
break;
}
PcmStream.Flush();
PcmStream.Position = 0;
PcmStream.Write(outBuffer, 0, PcmBytes);
PcmStream.Position = 0;
if (theBuffers[nextBuffer] != null)
{
theBuffers[nextBuffer].Stream.Dispose();
theBuffers[nextBuffer] = null;
}
theBuffers[nextBuffer] = new AudioBuffer(SharpDX.DataStream.Create <byte>(PcmStream.ToArray(), true, false));
theBuffers[nextBuffer].AudioBytes = PcmBytes;
theBuffers[nextBuffer].LoopCount = 0;
if (firstLoop)
{
VorbisInfo info = (oggStream == null) ? oggFile.Info : oggStream.Info;
//BlockAlign = info.Channels * (bitsPerSample / 8);
//AverageBytesPerSecond = info.Rate * BlockAlign;
//waveFormat.AverageBytesPerSecond = AverageBytesPerSecond;
//waveFormat.BitsPerSample = (short)bitsPerSample;
//waveFormat.BlockAlignment = (short)BlockAlign;
//waveFormat.Channels = (short)info.Channels;
//waveFormat.SamplesPerSecond = info.Rate;
waveFormat = new WaveFormat(info.Rate, bitsPerSample, info.Channels);
//waveFormat.Encoding= WaveFormatEncoding.Pcm;
sourceVoice = new SourceVoice(device, waveFormat);
sourceVoice.SetVolume(volume);
} //if first time looping, create sourcevoice
sourceVoice.SubmitSourceBuffer(theBuffers[nextBuffer], null);
if (nextBuffer == theBuffers.Length - 1)
{
nextBuffer = 0;
}
else
{
nextBuffer++;
}
//If we're done filling the buffer for the first time
if (!startedSourceVoice &&
sourceVoice.State.BuffersQueued
== maxBuffers)
{
sourceVoice.Start();
startedSourceVoice = true;
lock (lockObject)
{
playing = true;
preparing = false;
} //lock
}
firstLoop = false;
if (startedSourceVoice)
{
while (sourceVoice.State.BuffersQueued
> maxBuffers - 1)
{
if (stopNow)
{
break;
}
Thread.Sleep(5);
}
} //if started source voice
if (stopNow)
{
break;
}
} //while
if (stopNow)
{
break;
}
//We don't have any more data but file could still be playing the remaining data.
if (PcmBytes == 0 /*&& !loop*/)
{
if (!stopNow)
{
while (sourceVoice.State.BuffersQueued > 0 &&
!stopNow)
{
Thread.Sleep(10);
}
} //if doesn't want to stop ogg
if (!loop)
{
break; //exit the loop since we ran out of data and don't want to loop back
}
} //if we ran out of data
if (PcmBytes == 0 && loop)
{
PcmBytes = -1;
if (oggFile != null)
{
oggFile.Position = 0;
}
if (oggStream != null)
{
oggStream.Position = 0;
}
} //if we ran out of data but want to loop back
} //while more data
//Done playing, or file requested stop,
//so clean up and tell calling thread that
//buffer has stopped and cleaned up.
//calling thread doesn't know buffer has stopped until we clean things up
//so we don't lose memory
//Clean up the resources
if (sourceVoice != null)
{
sourceVoice.ExitLoop(); //stop looping if looping
sourceVoice.Stop();
}
sourceVoice.Dispose();
sourceVoice = null;
if (oggFile != null)
{
oggFile.Close();
oggFile = null;
}
outBuffer = null;
for (int i = 0; i < theBuffers.Length; i++)
{
if (theBuffers[i] != null)
{
theBuffers[i].Stream.Dispose();
theBuffers[i] = null;
}
}
theBuffers = null;
if (oggStream != null)
{
oggStream.Close();
oggStream = null;
}
PcmStream.Dispose();
PcmStream = null;
if (stopEvent != null)
{
stopEvent();
}
} //method
