iOS Video Editing - Is it possible to merge (side by side not one after other) two video files into one using iOS 4 AVFoundation classes?

Question

I know you could merge multiple clips and create a single video by appending one after other using AVFoundation classes- AVURLAsset, AVMutableComposition, AVMutableComposit

Answer 1

i found this link when im trying to do the same thing , But for me its not side by side , its video top of another video, You can do the same thing by this link

Video Manipulation