public MTAudioProcessingTap(MTAudioProcessingTapCallbacks callbacks, MTAudioProcessingTapCreationFlags flags)
{
if (callbacks == null)
{
throw new ArgumentNullException("callbacks");
}
const MTAudioProcessingTapCreationFlags all_flags = MTAudioProcessingTapCreationFlags.PreEffects | MTAudioProcessingTapCreationFlags.PostEffects;
if ((flags & all_flags) == all_flags)
{
throw new ArgumentException("Only one effect type can be set");
}
this.callbacks = callbacks;
var c = new Callbacks();
unsafe {
if (callbacks.Initialize != null)
{
c.init = InitializeProxy;
}
if (callbacks.Finalize != null)
{
c.finalize = FinalizeProxy;
}
if (callbacks.Prepare != null)
{
c.prepare = PrepareProxy;
}
if (callbacks.Unprepare != null)
{
c.unprepare = UnprepareProxy;
}
c.process = ProcessProxy;
}
// a GCHandle is needed because we do not have an handle before calling MTAudioProcessingTapCreate
// and that will call the InitializeProxy. So using this (short-lived) GCHandle allow us to find back the
// original managed instance
gch = GCHandle.Alloc(this);
c.clientInfo = (IntPtr)gch;
var res = MTAudioProcessingTapCreate(IntPtr.Zero, ref c, flags, out handle);
// we won't need the GCHandle after the Create call
gch.Free();
if (res != 0)
{
throw new ArgumentException(res.ToString());
}
lock (handles)
handles [handle] = this;
}
public MTAudioProcessingTap (MTAudioProcessingTapCallbacks callbacks, MTAudioProcessingTapCreationFlags flags)
{
if (callbacks == null)
throw new ArgumentNullException ("callbacks");
const MTAudioProcessingTapCreationFlags all_flags = MTAudioProcessingTapCreationFlags.PreEffects | MTAudioProcessingTapCreationFlags.PostEffects;
if ((flags & all_flags) == all_flags)
throw new ArgumentException ("Only one effect type can be set");
this.callbacks = callbacks;
var c = new Callbacks ();
unsafe {
if (callbacks.Initialize != null)
c.init = InitializeProxy;
if (callbacks.Finalize != null)
c.finalize = FinalizeProxy;
if (callbacks.Prepare != null)
c.prepare = PrepareProxy;
if (callbacks.Unprepare != null)
c.unprepare = UnprepareProxy;
c.process = ProcessProxy;
}
// a GCHandle is needed because we do not have an handle before calling MTAudioProcessingTapCreate
// and that will call the InitializeProxy. So using this (short-lived) GCHandle allow us to find back the
// original managed instance
gch = GCHandle.Alloc (this);
c.clientInfo = (IntPtr)gch;
var res = MTAudioProcessingTapCreate (IntPtr.Zero, ref c, flags, out handle);
// we won't need the GCHandle after the Create call
gch.Free ();
if (res != 0)
throw new ArgumentException (res.ToString ());
lock (handles)
handles [handle] = this;
}
