How do I use AVFoundation to crop a video

Question

I\'m trying to use AVFoundation to crop videos I\'m recording. So lets say i create a AVCaptureVideoPreviewLayer and set the frame to be 300x300.

AVCaptureVi         


        

Answer 1

ios7 added a specific Layer instruction just for cropping.

videolayerInstruction setCropRectangle:atTime:

_mike