iOS AVCaptureSession - How to get/set the number of frames per second recorded?

Question

I\'m new to AVCaptureSession and wish to better understand how to work with it. So I managed capturing the video stream as separated CIImages and convert them to UIImages. Now I

Answer 1

You could use AVCaptureConnection's videoMinFrameDuration accessor to set the value.

See the AVCaptureConnection documentation

Consider output be AVCaptureVideoDataOutput object.

AVCaptureConnection *conn = [output connectionWithMediaType:AVMediaTypeVideo];

if (conn.isVideoMinFrameDurationSupported)
    conn.videoMinFrameDuration = CMTimeMake(1, CAPTURE_FRAMES_PER_SECOND);
if (conn.isVideoMaxFrameDurationSupported)
    conn.videoMaxFrameDuration = CMTimeMake(1, CAPTURE_FRAMES_PER_SECOND);

More info, see my answer in this SO question