Cropping videos in iOS

Question

We can crop images. Can we crop videos?

Answer 1

Since video is a collection of pictures you can crop all frames from video and after create new video. AVFoundation guide describe some tasks: Putting it all Together: Capturing Video Frames as UIImage Objects After this you crops images and write video

You can use an asset writer to produce a QuickTime movie file or an MPEG-4 file from media such as sample buffers or still images.

See for more details AV Foundation Framework