As someone who once had access to internal fleetwide profiling information, yes. There is older evidence based on quirks in encoding. https://multimedia.cx/egg

As someone who once had access to internal fleetwide profiling information, yes. There is older evidence based on quirks in encoding. https://multimedia.cx/eggs/googles-youtube-uses-ffmpeg/ https://multimedia.cx/eggs/googles-youtube-uses-ffmpeg/