public override int Read(float[] buffer, int offset, int count)
{
lock (lockObject)
{
if (_seekRequested)
{
_soundTouch.Clear();
_seekRequested = false;
}
var samplesRead = 0;
var endOfSource = false;
while (samplesRead < count)
{
if (_soundTouch.NumberOfSamples() == 0)
{
var readFromSource = _sampleSource.Read(_sourceReadBuffer, 0, _sourceReadBuffer.Length);
if (_sampleSource.Position >= _sampleSource.Length)
{
return(samplesRead);
}
if (readFromSource == 0)
{
endOfSource = true;
_soundTouch.Flush();
return(0);
}
_soundTouch.PutSamples(_sourceReadBuffer, readFromSource / _sampleSource.WaveFormat.Channels);
}
var desiredSampleFrames = (count - samplesRead) / _sampleSource.WaveFormat.Channels;
var received = _soundTouch.ReceiveSamples(_soundTouchReadBuffer, desiredSampleFrames) * _sampleSource.WaveFormat.Channels;
for (int n = 0; n < received; n++)
{
buffer[offset + samplesRead++] = _soundTouchReadBuffer[n];
}
if (received == 0 && endOfSource)
{
break;
}
}
return(samplesRead);
}
}
public override int Read(byte[] buffer, int offset, int count)
{
lock (lockObject)
{
try
{
var floatbuffer = new float[buffer.Length / 4];
while (_soundTouch.NumberOfSamples() < count)
{
var bytesRead = _waveSource.Read(_bytebuffer, offset, _bytebuffer.Length);
if (bytesRead == 0)
{
if (_endReached == false)
{
_endReached = true;
_soundTouch.Flush();
}
break;
}
Buffer.BlockCopy(_bytebuffer, 0, floatbuffer, 0, bytesRead);
_soundTouch.PutSamples(floatbuffer, (uint)(bytesRead / 8));
}
var numberOfSamples = (int)_soundTouch.ReceiveSamples(floatbuffer, (uint)(count / 8));
Buffer.BlockCopy(floatbuffer, 0, buffer, offset, numberOfSamples * 8);
return(numberOfSamples * 8);
}
catch
{
return(0);
}
}
}
