Audio/video out of sync after switch camera

Question

I\'m try create application where I can record video from different cameras on device during recording. For example. User press button \"start record\" from front camera, after

Answer 1

when switching camera, you need to pause the buffer writing in the delegate method:

- (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection *)connection

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