public int Write(TimeLocatedBufferFFT source, int frames)
{
var written = _buffer.Write(source.Data, 0, frames * FrameSize);
if (written % FrameSize != 0)
{
throw new InvalidOperationException();
}
Time = Time.Increment(written * 2, Samplerate);
return(written / FrameSize);
}
public int Read(TimeLocatedBufferFFT target, int frames)
{
var timeBegin = TimeAtReadPosition;
var read = _buffer.Read(target.Data, 0, frames * FrameSize);
if (read % FrameSize != 0)
{
throw new InvalidOperationException("shouldn't dequeue amount which is not a multiple of the frame size");
}
target.SetWritten(read / FrameSize, timeBegin.Increment(read * FrameSize, Samplerate));
return(read / FrameSize);
}
public void PrepareProcessing(int queueSizeFrames, int transferBufferSizeFrames)
{
if (Samplerate <= 0)
{
throw new ArgumentOutOfRangeException(nameof(Samplerate));
}
if (queueSizeFrames < 0)
{
throw new ArgumentOutOfRangeException(nameof(queueSizeFrames), "must be >= 0");
}
if (transferBufferSizeFrames < 0)
{
throw new ArgumentOutOfRangeException(nameof(transferBufferSizeFrames), "must be >= 0");
}
_queue = new RingBufferFFT(queueSizeFrames, FFTSize, Samplerate);
_transferBuffer = new TimeLocatedBufferFFT(transferBufferSizeFrames, FFTSize, Samplerate);
}
public void PrepareProcessing(int queueFFTs, int bufferFFTs)
{
_queue = new RingBufferFFT(queueFFTs, FFTSize, Samplerate);
_readBuffer = new TimeLocatedBufferFFT(bufferFFTs, FFTSize, Samplerate);
_stamp = TimeStamp.Zero;
}
