/// <summary>
/// Primary audio processing method; this is where the samples are read in and manipulations are applied
/// </summary>
private static void ProcessAudio()
{
WaveFormat format = _currentWaveChannel.WaveFormat;
int bufferSecondLength = format.SampleRate * format.Channels;
byte[] inputBuffer = new byte[BufferSamples * sizeof(float)];
byte[] soundTouchOutBuffer = new byte[BufferSamples * sizeof(float)];
ByteAndFloatsConverter convertInputBuffer = new ByteAndFloatsConverter {
Bytes = inputBuffer
};
ByteAndFloatsConverter convertOutputBuffer = new ByteAndFloatsConverter {
Bytes = soundTouchOutBuffer
};
uint outBufferSizeFloats = (uint)convertOutputBuffer.Bytes.Length / (uint)(sizeof(float) * format.Channels);
int bytesRead;
int floatsRead;
uint samplesProcessed = 0;
int bufferIndex = 0;
TimeSpan actualEndMarker = TimeSpan.Zero;
bool loop = false;
_currentWaveChannel.Volume = _currentVolume;
while (_currentWaveChannel.Position < _currentWaveChannel.Length && !Stopping)
{
if (Started)
{
_currentWaveChannel.CurrentTime = TimeSpan.FromSeconds(0);
Started = true;
}
bytesRead = _currentWaveChannel.Read(convertInputBuffer.Bytes, 0, convertInputBuffer.Bytes.Length);
floatsRead = bytesRead / ((sizeof(float)) * _currentWaveChannel.WaveFormat.Channels);
actualEndMarker = DefaultEndMarker;
if (!loop || actualEndMarker == TimeSpan.Zero)
{
actualEndMarker = _currentWaveChannel.TotalTime;
}
if (_currentWaveChannel.CurrentTime > actualEndMarker)
{
_soundTouchSharp.Clear();
_inputProvider.Flush();
_currentWaveChannel.Flush();
if (!stopWorker)
{
while (!stopWorker && samplesProcessed != 0)
{
SetSoundSharpValues();
samplesProcessed = _soundTouchSharp.ReceiveSamples(convertOutputBuffer.Floats, outBufferSizeFloats);
if (samplesProcessed > 0)
{
TimeSpan currentBufferTime = _currentWaveChannel.CurrentTime;
_inputProvider.AddSamples(convertOutputBuffer.Bytes, 0, (int)samplesProcessed * (sizeof(float)) * _currentWaveChannel.WaveFormat.Channels, currentBufferTime);
}
samplesProcessed = _soundTouchSharp.ReceiveSamples(convertOutputBuffer.Floats, outBufferSizeFloats);
}
}
}
SetSoundSharpValues();
_soundTouchSharp.PutSamples(convertInputBuffer.Floats, (uint)floatsRead);
do
{
samplesProcessed = _soundTouchSharp.ReceiveSamples(convertOutputBuffer.Floats, outBufferSizeFloats);
if (!stopWorker && samplesProcessed > 0)
{
TimeSpan currentBufferTime = _currentWaveChannel.CurrentTime;
_inputProvider.AddSamples(convertOutputBuffer.Bytes, 0, (int)samplesProcessed * (sizeof(float)) * _currentWaveChannel.WaveFormat.Channels, currentBufferTime);
while (!stopWorker && _inputProvider.GetQueueCount() > BusyQueuedBuffersThreshold)
{
Thread.Sleep(10);
}
bufferIndex += 1;
}
} while (!stopWorker && samplesProcessed != 0);
}
// End of the audio file
_waveOutDevice.Stop();
// Stop sampling
_waveChannel.Sample -= _waveChannel_Sample;
_waveReader.Close();
_blockAlignStream.Close();
_waveChannel.Close();
_inputProvider.Flush();
_currentWaveChannel.Close();
IsPlaying = false;
if (!stopWorker && _currentWaveChannel.CurrentTime < actualEndMarker)
{
_currentWaveChannel.CurrentTime = actualEndMarker;
}
_soundTouchSharp.Clear();
}
/// <summary>
/// Primary audio processing method; this is where the samples are read in and manipulations are applied
/// </summary>
private static void ProcessAudio()
{
WaveFormat format = _currentWaveChannel.WaveFormat;
int bufferSecondLength = format.SampleRate * format.Channels;
byte[] inputBuffer = new byte[BufferSamples * sizeof(float)];
byte[] soundTouchOutBuffer = new byte[BufferSamples * sizeof(float)];
ByteAndFloatsConverter convertInputBuffer = new ByteAndFloatsConverter { Bytes = inputBuffer };
ByteAndFloatsConverter convertOutputBuffer = new ByteAndFloatsConverter { Bytes = soundTouchOutBuffer };
uint outBufferSizeFloats = (uint)convertOutputBuffer.Bytes.Length / (uint)(sizeof(float) * format.Channels);
int bytesRead;
int floatsRead;
uint samplesProcessed = 0;
int bufferIndex = 0;
TimeSpan actualEndMarker = TimeSpan.Zero;
bool loop = false;
_currentWaveChannel.Volume = _currentVolume;
while (_currentWaveChannel.Position < _currentWaveChannel.Length && !Stopping)
{
if (Started)
{
_currentWaveChannel.CurrentTime = TimeSpan.FromSeconds(0);
Started = true;
}
bytesRead = _currentWaveChannel.Read(convertInputBuffer.Bytes, 0, convertInputBuffer.Bytes.Length);
floatsRead = bytesRead / ((sizeof(float)) * _currentWaveChannel.WaveFormat.Channels);
actualEndMarker = DefaultEndMarker;
if (!loop || actualEndMarker == TimeSpan.Zero)
{
actualEndMarker = _currentWaveChannel.TotalTime;
}
if (_currentWaveChannel.CurrentTime > actualEndMarker)
{
_soundTouchSharp.Clear();
_inputProvider.Flush();
_currentWaveChannel.Flush();
if (!stopWorker)
{
while (!stopWorker && samplesProcessed != 0)
{
SetSoundSharpValues();
samplesProcessed = _soundTouchSharp.ReceiveSamples(convertOutputBuffer.Floats, outBufferSizeFloats);
if (samplesProcessed > 0)
{
TimeSpan currentBufferTime = _currentWaveChannel.CurrentTime;
_inputProvider.AddSamples(convertOutputBuffer.Bytes, 0, (int)samplesProcessed * (sizeof(float)) * _currentWaveChannel.WaveFormat.Channels, currentBufferTime);
}
samplesProcessed = _soundTouchSharp.ReceiveSamples(convertOutputBuffer.Floats, outBufferSizeFloats);
}
}
}
SetSoundSharpValues();
_soundTouchSharp.PutSamples(convertInputBuffer.Floats, (uint)floatsRead);
do
{
samplesProcessed = _soundTouchSharp.ReceiveSamples(convertOutputBuffer.Floats, outBufferSizeFloats);
if (!stopWorker && samplesProcessed > 0)
{
TimeSpan currentBufferTime = _currentWaveChannel.CurrentTime;
_inputProvider.AddSamples(convertOutputBuffer.Bytes, 0, (int)samplesProcessed * (sizeof(float)) * _currentWaveChannel.WaveFormat.Channels, currentBufferTime);
while (!stopWorker && _inputProvider.GetQueueCount() > BusyQueuedBuffersThreshold)
{
Thread.Sleep(10);
}
bufferIndex += 1;
}
} while (!stopWorker && samplesProcessed != 0);
}
// End of the audio file
_waveOutDevice.Stop();
// Stop sampling
_waveChannel.Sample -= _waveChannel_Sample;
_waveReader.Close();
_blockAlignStream.Close();
_waveChannel.Close();
_inputProvider.Flush();
_currentWaveChannel.Close();
IsPlaying = false;
if (!stopWorker && _currentWaveChannel.CurrentTime < actualEndMarker)
{
_currentWaveChannel.CurrentTime = actualEndMarker;
}
_soundTouchSharp.Clear();
}