Thank you very much @arshankhanifar.
In addition, I have noticed (iPad Pro 9.7, iOS 16.2) that I have to configure the device's frame rate after having added the video input to the capture session. Otherwise, the device frame rate seems to be reset to some default values.
Fred-Klein
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https://stackoverflow.com/a/17331242/2742007
avPlayer.currentItem?.step(byCount: isForward ? 1 : -1)
https://developer.apple.com/documentation/avfoundation/avplayeritem/1387968-step
The documentation quote/page you are referring to has moved to Formats.
Also in this page inputPriority Apple is wrongfully stating:
When you change the device’s format, the session preset automatically changes to this value (inputPriority).
Dear arshankhanifar thank you so much. I have lost spent the last couple of days trying to get high frame rate in my app. And only thank to persevering search did I eventually find your most valuable post. Thanks again
this might help as well
https://developer.apple.com/documentation/speech/sfspeechaudiobufferrecognitionrequest/1649395-appendaudiosamplebuffer
func appendAudioSampleBuffer(_ sampleBuffer: CMSampleBuffer)