estimate video bitrate
estimate video bitrate

since ffprobe does not provide video bitrate information, subtract audio
bitrates from the total bitrate for a more accurate video bitrate
estimation

Filechaser/sickbeard_mp4_automator,Filechaser/sickbeard_mp4_automator,Collisionc/sickbeard_mp4_automator,Collisionc/sickbeard_mp4_automator,phtagn/sickbeard_mp4_automator,phtagn/sickbeard_mp4_automator