static void OverridePrepareFrame(GLib.GType gtype, PrepareFrameNativeDelegate callback)
{
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("prepare_frame"));
*raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback);
}
}
private bool InternalPrepareFrame(Gst.Video.VideoAggregator videoaggregator, Gst.Buffer buffer, Gst.Video.VideoFrame prepared_frame)
{
PrepareFrameNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("prepare_frame"));
unmanaged = (PrepareFrameNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(PrepareFrameNativeDelegate));
}
if (unmanaged == null)
{
return(false);
}
IntPtr native_prepared_frame = GLib.Marshaller.StructureToPtrAlloc(prepared_frame);
bool __result = unmanaged(this.Handle, videoaggregator == null ? IntPtr.Zero : videoaggregator.Handle, buffer == null ? IntPtr.Zero : buffer.Handle, native_prepared_frame);
Marshal.FreeHGlobal(native_prepared_frame);
return(__result);
}
