Please run: gst-inspect-0.10 valve
If you get this error: No such element or plugin 'valve' Then please run: apt-cache policy gstreamer0.10-plugins-bad gstreamer0.10-plugins-good
That would give you an idea about what is wrong.
Please run:
gst-inspect-0.10 valve
If you get this error: No such element or plugin 'valve' 10-plugins- bad gstreamer0. 10-plugins- good
Then please run: apt-cache policy gstreamer0.
That would give you an idea about what is wrong.