/// <summary>
/// Copies from buffer array to ChannelArea.
/// </summary>
/// <param name="buffer">Buffer.</param>
/// <param name="bufferPos">Buffer position.</param>
/// <param name="area">ChannelArea</param>
/// <param name="bufferCount">Number of buffer samples</param>
public void CopyTo(float[] buffer, int bufferPos, SoundIOChannelAreas areas, int bufferCount)
{
foreach (var item in areas)
{
Marshal.Copy(buffer, bufferPos, item.Pointer, bufferCount);
}
}
/// <summary>
/// Call this function when you are ready to begin reading from the device buffer.
/// </summary>
/// <param name="areas">The memory area data can be read from.</param>
/// <param name="frameCount">Positive number of frames to read, returns the number of frames that will be actually read.</param>
/// <returns>Value indicating operation success.</returns>
/// <remarks>
/// Call this function only from the OnReadCallback thread context. When done reading from areas, call EndRead.
/// </remarks>
public SoundIoError BeginRead(out SoundIOChannelAreas areas, ref int frameCount)
{
IntPtr head;
SoundIoError result = NativeMethods.SoundIoInstreamBeginRead(handle, out head, ref frameCount);
if (head == IntPtr.Zero)
{
areas = null;
}
else
{
areas = new SoundIOChannelAreas(head, Layout.ChannelCount, frameCount);
}
return(result);
}
