admin/setting/filtersettingrtmp
From MoodleDocs
Admin settings Streaming media filter (RTMP)
- Filter audio (.mp3) - Enables/disables filtering for streamed audio links.
- Filter video (.flv |.mp4 |.f4v | .mov) - Enables/disables filtering for video audio links.
- Closed captions on by default - Determines whether or not closed captioning plugins are loaded and displayed by default
Additional Documentation: Filters/rtmp