/// <summary>
/// Copies both channels of audio samples in integer format.
/// </summary>
/// <remarks>
/// The samples are floating-point values normalized within -1.0 and 1.0.
/// </remarks>
/// <param name="leftDestination">The destination for the left channel.</param>
/// <param name="rightDestination">The destination for the right channel.</param>
/// <param name="bitsPerSample">The # of bits per sample.</param>
/// <exception cref="ObjectDisposedException">This <see cref="SampleBuffer"/> has been disposed.</exception>
/// <exception cref="InvalidOperationException">Thrown if the Channels property does not equal 2.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="bitsPerSample"/> is out of range.</exception>
public void CopyTo(Span <int> leftDestination, Span <int> rightDestination, int bitsPerSample)
{
if (_isDisposed)
{
throw new ObjectDisposedException(GetType().ToString());
}
if (_buffer == null)
{
return;
}
if (Channels != 2)
{
throw new InvalidOperationException("Not a 2-channel SampleBuffer.");
}
if (IsInterleaved)
{
Span <float> leftBuffer = stackalloc float[Frames];
Span <float> rightBuffer = stackalloc float[Frames];
SampleProcessor.DeInterleave(_buffer.Memory.Span.Slice(0, Frames * 2), leftBuffer, rightBuffer);
SampleProcessor.Convert(leftBuffer, leftDestination, bitsPerSample);
SampleProcessor.Convert(rightBuffer, rightDestination, bitsPerSample);
}
else
{
SampleProcessor.Convert(_buffer.Memory.Span.Slice(0, Frames), leftDestination, bitsPerSample);
SampleProcessor.Convert(_buffer.Memory.Span.Slice(Frames, Frames), rightDestination, bitsPerSample);
}
}
/// <summary>
/// Copies both channels of audio samples in normalized floating-point format.
/// </summary>
/// <remarks>
/// The samples are floating-point values normalized within -1.0 and 1.0.
/// </remarks>
/// <param name="leftDestination">The destination for the left channel.</param>
/// <param name="rightDestination">The destination for the right channel.</param>
/// <exception cref="ObjectDisposedException">This <see cref="SampleBuffer"/> has been disposed.</exception>
/// <exception cref="InvalidOperationException">Thrown if the Channels property does not equal 2.</exception>
public void CopyTo(Span <float> leftDestination, Span <float> rightDestination)
{
if (_isDisposed)
{
throw new ObjectDisposedException(GetType().ToString());
}
if (_buffer == null)
{
return;
}
if (Channels != 2)
{
throw new InvalidOperationException("Not a 2-channel SampleBuffer.");
}
if (IsInterleaved)
{
SampleProcessor.DeInterleave(
_buffer.Memory.Span.Slice(0, Frames * 2),
leftDestination,
rightDestination);
}
else
{
_buffer.Memory.Span.Slice(0, Frames).CopyTo(leftDestination);
_buffer.Memory.Span.Slice(Frames, Frames).CopyTo(rightDestination);
}
}