Add GIF watermark on a video in iOS

Question

I need to accomplish this function: There is a GIF overlay on a video, hoping to composition this video and GIF to a new video. I\'m using the following code, but result is only

Answer 1

You should adjust your animation settings for CoreAnimation:

animation.beginTime = AVCoreAnimationBeginTimeAtZero;
animation.removedOnCompletion = NO;