Questions regarding Open Standard Media Player

Hello!

A few days ago, i started development on a project involving uploading audio and video files and playing them on the live site. I have following questions reagrding the OSM Player. Kindly help me out.

1. Which audio formats are supported by OSM Player?
2. I also want to how to setup OSM player for audio files, just like we can setup the Dash Player's skin to show us an audio player.
3. Which video sharing sites other than youtube and vimeo are supported by OSM Player?
4.