https://www.wowza.com/docs/how-to-encode-source-video-for-wowza-streaming-cloud#configure
https://ipvm.com/reports/test-i-frame-rate
https://www.axis.com/files/whitepaper/wp_bit_rate_66275_en_1512_hi.pdf
Watch frames in realtime
ffprobe -rtsp_transport tcp -i rtsp://root:[email protected]:554/axis-media/media.amp?streamprofile=ayet -show_frames | grep -E 'pict_type=I|coded_picture_number'