Make language of audio tracks configurable and set "und" as default. Make fps configurable for h264 tracks. EC-3 related boxes now have a name in the viewer.
Make language of audio tracks configurable and set "und" as default. Make fps configurable for h264 tracks. EC-3 related boxes now have a name in the viewer.

git-svn-id: ebd45aa90db53d7f1893b6025bcedd8e5abf8c95@756 7decde4b-c250-0410-a0da-51896bc88be6

sannies/isoviewer,sannies/isoviewer,NathanLewis/isoviewer,michalliu/isoviewer