On 09/11/2015 08:11 AM, Robert Arkiletian wrote: > On Tue, Sep 8, 2015 at 3:46 PM, Richard <lists-centos at listmail.innovate.net> > wrote: <snip> > > > does anyone running C6 have h.264 check box on www.youtube.com/html5 ? > > if yes, can you please post the output of > > rpm -qa | grep -i 'gst\|libva' Yes I do in seamonkey, the browser I use. Strangely the box is not checked in firefox although FF and SM are very similar, but I never use FF on this system so maybe it's just not configured correctly. $ rpm -qa | grep -i 'gst\|libva' gstreamer-plugins-base-0.10.29-2.el6.x86_64 phonon-backend-gstreamer-4.6.2-28.el6_5.x86_64 gstreamer-plugins-bad-0.10.22-2.el6.nux.x86_64 PackageKit-gstreamer-plugin-0.5.8-25.el6.x86_64 gstreamer-plugins-good-0.10.23-3.el6.x86_64 gstreamer-0.10.29-1.el6.x86_64 gstreamer-plugins-bad-free-extras-0.10.19-3.el6_5.x86_64 gstreamer-plugins-ugly-0.10.18-3.el6.nux.x86_64 gstreamer-tools-0.10.29-1.el6.x86_64 gstreamer-plugins-bad-nonfree-0.10.18-1.el6.nux.x86_64 gstreamer-ffmpeg-0.10.12-1.5.el6.nux.x86_64 libva-1.0.15-1.el6.x86_64 gstreamer-plugins-bad-free-0.10.19-3.el6_5.x86_64