Posts with video resulting in ffmpeg binary called on every load

In performance testing today I discovered that UNA appears to be calling ffmpeg on the load of pages with video content.  Why is this occurring and what can be done to stop it?  A video conversion shouldn't be performed on page load.  Here's a section of the command being run

/var/www/html/plugins/ffmpeg/ffmpeg.exe -y -i https://americasvalues.us/s/bx_posts_videos/37qt7am