问将捕获会话保存在文档目录中，使用设备的avfoundation！

EN

func captureOutput(captureOutput: AVCaptureFileOutput!, didFinishRecordingToOutputFileAtURL outputFileURL: NSURL!, fromConnections connections: [AnyObject]!, error: NSError!) {
    delegate?.recordingStopped?()

   var data = NSData(contentsOfURL: outputFileURL)
    let paths = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomainMask.UserDomainMask, true)
    let documentsDirectory:AnyObject=paths[0]
    let dataPath=documentsDirectory.stringByAppendingPathComponent("/MyFolder")
    if (!NSFileManager.defaultManager().fileExistsAtPath(dataPath)) {
        NSFileManager.defaultManager() .createDirectoryAtPath(dataPath as String, withIntermediateDirectories: false, attributes: nil, error: nil)
    }

    var outputPathr = "\(dataPath)/TestproximityRwqxq.mp4"

    var success = data!.writeToFile(outputPathr as String, options: nil, error: nil)

}