I had very close situation - upgraded to 11.04 amd64, some pulseaudio and gstreamer Installations ...
And no sound with xine-ui -- but Subtitle Composer worked fine with xine
Found out that xine has some amplifier level (additional to the volume) - this was zero ...
Shift-Ctrl-V inside xine-ui
I had very close situation - upgraded to 11.04 amd64, some pulseaudio and gstreamer Installations ...
And no sound with xine-ui -- but Subtitle Composer worked fine with xine
Found out that xine has some amplifier level (additional to the volume) - this was zero ...
Shift-Ctrl-V inside xine-ui
Maybe its the same ...