Question

I am created a app that record video and upload it on server,but video recorded at very high resolution , i want to decrease its resolution, i learn about AVCaptureSessionPreset640x480 on internet but i dont know how to use it.

Answer 1

if ([self.captureSession canSetSessionPreset:AVCaptureSessionPreset640x480]) {
    [self.captureSession setSessionPreset:AVCaptureSessionPreset640x480];
}