Since updating to F23 I've been unable to view MP4 videos (mostly H264 encoded). I know this is a proprietary format but it's what's out there and what people tend to send when sharing in emails (from non-Linux machines as a rule). The message from vlc (for example) is: Codec not supported: VLC could not decode the format "h264" (H264 - MPEG-4 AVC (part 10)) Usually the audio track is supported and plays, but no picture. No doubt the answer is going to be "install gstreamer-ugly-whatever" from RPMfusion, but I've done all that and still nothing. I didn't have this problem under F22 (or earlier) so I have to wonder if something hasn't been updated, but anyone with a solution is welcome to comment. This is what I currently have installed: gstreamer1-vaapi-0.6.1-1.fc23.x86_64 gstreamer-plugins-base-0.10.36-13.fc23.i686 gstreamer1-plugins-bad-free-1.6.1-2.fc23.x86_64 gstreamer1-1.6.1-1.fc23.x86_64 gstreamer-plugins-bad-free-0.10.23-28.fc23.x86_64 gstreamer-plugins-bad-nonfree-0.10.23-3.fc22.x86_64 gstreamer-plugins-ugly-0.10.19-18.fc23.x86_64 gstreamer1-plugins-base-1.6.1-1.fc23.i686 gstreamer-plugins-bad-0.10.23-7.fc22.x86_64 gstreamer1-plugins-bad-freeworld-1.6.1-1.fc23.x86_64 gstreamer-plugins-good-0.10.31-15.fc23.x86_64 gstreamer-plugins-espeak-0.4.0-7.fc23.x86_64 gstreamer1-plugins-base-1.6.1-1.fc23.x86_64 gstreamer-ffmpeg-0.10.13-15.fc22.x86_64 gstreamer-plugins-base-0.10.36-13.fc23.x86_64 gstreamer-plugins-bad-free-extras-0.10.23-28.fc23.x86_64 gstreamermm-0.10.11-8.fc23.x86_64 gstreamer1-plugins-ugly-1.6.1-1.fc23.x86_64 gstreamer-0.10.36-13.fc23.i686 gstreamer1-libav-1.6.1-2.fc23.x86_64 gstreamer-0.10.36-13.fc23.x86_64 gstreamer1-plugins-good-1.6.1-1.fc23.x86_64 gstreamer-tools-0.10.36-13.fc23.x86_64 gstreamer1-1.6.1-1.fc23.i686 poc -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org