> Do you have the universe repository enabled on this system? Perhaps
> gstreamer0.10-ffmpeg and gstreamer0.10-plugins-bad aren't visible in your
> package manager config.
It is very odd, but I found that temporarily pointing GST_PLUGIN_PATH to point to the 32-bit gstreamer plugin directory (/usr/lib32/gstreamer-0.10) fixed the problem; presumably gstreamer reset whatever configuration was broken. I documented it in bug #856988.
> Do you have the universe repository enabled on this system? Perhaps 10-ffmpeg and gstreamer0. 10-plugins- bad aren't visible in your
> gstreamer0.
> package manager config.
It is very odd, but I found that temporarily pointing GST_PLUGIN_PATH to point to the 32-bit gstreamer plugin directory (/usr/lib32/ gstreamer- 0.10) fixed the problem; presumably gstreamer reset whatever configuration was broken. I documented it in bug #856988.