Thanks for your help on this. Those videos do play if gstreamer*bad is not installed, but if it is installed, then they do not play:
---> % LC_ALL=C gst-play-1.0 edge-scroll.webm Press 'k' to see a list of keyboard shortcuts. Now playing /tmp/edge-scroll.webm ERROR Internal data stream error. for file:///tmp/edge-scroll.webm ERROR debug information: ../gst/matroska/matroska-demux.c(6115): gst_matroska_demux_loop (): /GstPlayBin3:playbin/GstURIDecodeBin3:uridecodebin3/GstURISourceBin:urisourcebin0/GstParseBin:parsebin0/GstMatroskaDemux:matroskademux0: streaming stopped, reason not-negotiated (-4) Reached end of play list. % sudo apt remove gstreamer*bad ... % LC_ALL=C gst-play-1.0 edge-scroll.webm #Plays fine despite the error message Press 'k' to see a list of keyboard shortcuts. Now playing /tmp/edge-scroll.webm Redistribute latency... ERROR Output window was closed for file:///tmp/edge-scroll.webm ERROR debug information: ../sys/xvimage/xvimagesink.c(586): gst_xv_image_sink_handle_xevents (): /GstPlayBin3:playbin/GstPlaySink:playsink/GstBin:vbin/GstAutoVideoSink:videosink/GstXvImageSink:videosink-actual-sink-xvimage Reached end of play list. <--- -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/2077117 Title: settings - mouse&touchpad - scroll direction images empty To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/2077117/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
