Swift: Crop and Export Video

Question

I want to crop a video to square, but i couldn\'t do that.

I converted this code to swift but i only get black screen after exporting the video

Answer 1

You're missing the exporter block at the very end to perform the export operation with the AVAssetExportSession you've created:

exporter.exportAsynchronouslyWithCompletionHandler({

    //display video after export is complete, for example...
    let outputURL:NSURL = exporter.outputURL;
    let asset:AVURLAsset = AVURLAsset(URL: outputURL, options: nil)
    let newPlayerItem:AVPlayerItem = AVPlayerItem(asset: asset)

    self.mPlayer = AVPlayer.playerWithPlayerItem(newPlayerItem) as AVPlayer

})