static void OverrideTransformFrameIp(GLib.GType gtype, TransformFrameIpNativeDelegate callback)
{
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("transform_frame_ip"));
*raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback);
}
}
private Gst.FlowReturn InternalTransformFrameIp(Gst.Video.VideoFrame frame)
{
TransformFrameIpNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("transform_frame_ip"));
unmanaged = (TransformFrameIpNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(TransformFrameIpNativeDelegate));
}
if (unmanaged == null)
{
return((Gst.FlowReturn) 0);
}
IntPtr native_frame = GLib.Marshaller.StructureToPtrAlloc(frame);
int __result = unmanaged(this.Handle, native_frame);
Marshal.FreeHGlobal(native_frame);
return((Gst.FlowReturn)__result);
}