Add API to check if a specific codec is supported
Submitted by Guillaume Desmottes @gdesmott
Assigned to Olivier Crête @ocrete
Description
From https://bugzilla.gnome.org/show_bug.cgi?id=685483 :
""" I guess one could easily create a FsRtpConference, a video FsSession, set the codec preferences and see if H.264 is in "codecs-without-config" property on the session. Probably the kind of functionality I should be adding to FsIO.. """