/// <summary>
/// Initializes a new instance of the <see cref="AsioDriverExt"/> class based on an already
/// instantiated AsioDriver instance.
/// </summary>
/// <param name="driver">A AsioDriver already instantiated.</param>
public AsioDriverExt(AsioDriver driver)
{
this.driver = driver;
if (!driver.Init(IntPtr.Zero))
{
throw new InvalidOperationException(driver.GetErrorMessage());
}
callbacks = new AsioCallbacks();
callbacks.pasioMessage = AsioMessageCallBack;
callbacks.pbufferSwitch = BufferSwitchCallBack;
callbacks.pbufferSwitchTimeInfo = BufferSwitchTimeInfoCallBack;
callbacks.psampleRateDidChange = SampleRateDidChangeCallBack;
BuildCapabilities();
}
public void CreateBuffers(IntPtr bufferInfos, int numChannels, int bufferSize, ref AsioCallbacks callbacks)
{
this.pinnedcallbacks = Marshal.AllocHGlobal(Marshal.SizeOf(callbacks));
Marshal.StructureToPtr(callbacks, this.pinnedcallbacks, false);
this.HandleException(this.asioDriverVTable.createBuffers(this.pAsioComObject, bufferInfos, numChannels, bufferSize, this.pinnedcallbacks), "createBuffers");
}