I also have this bug with all the video's I tried using firefox at:
http://trailers.apple.com/
Video's play fine if you manually set the volume every time you start one, and the stand alone totem application remembers its volume settings.
Lucid 10.04 RC totem - 2.30.0git20100413-0ubuntu1 totem-mozilla - 2.30.0git20100413-0ubuntu1 firefox - 3.6.3+nobinonly-0ubuntu4
I also have this bug with all the video's I tried using firefox at:
http:// trailers. apple.com/
Video's play fine if you manually set the volume every time you start one, and the stand alone totem application remembers its volume settings.
Lucid 10.04 RC 13-0ubuntu1 13-0ubuntu1 -0ubuntu4
totem - 2.30.0git201004
totem-mozilla - 2.30.0git201004
firefox - 3.6.3+nobinonly