I remember that in DVB-S (maybe T/C too?) streams there is a constant bitrate, with additional empty packets (PID 8191 in MPEG-TS). Removing those usually resul

I remember that in DVB-S (maybe T/C too?) streams there is a constant bitrate, with additional empty packets (PID 8191 in MPEG-TS). Removing those usually results in a ~30% reduction. But I can't imagine that Netflix or Amazon uses such null bytes.