I can also confirm the issue. Software: fresh Ubuntu 18.04 installation Computer: Dell Latitude E6510 CPU: Intel(R) Core(TM) i5 CPU M 540 @ 2.53GHz (Ironlake) Test file: H264 1920x1080
totem: shows only green screen, no video playback mpv: video does not play smoothly + following is printed to console: Audio/Video desynchronisation detected! Possible reasons include too slow hardware, temporary CPU spikes, broken drivers, and broken files. Audio position will not match to the video (see A-V status field). mpv --hwdec=no: plays perfectly - ca 60% of cpu is idle vlc (video output set to "Automatic"): video does not play smoothly + following is printed to console: [00007fccb4c1a930] avcodec decoder error: more than 5 seconds of late video -> dropping frame (computer too slow ?) vlc (video output set to "XVideo output (XCB): plays perfectly - ca 55% of cpu is idle -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1784242 Title: Totem displays a green screen on H264 videos with gstreamer1.0-vaapi To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gstreamer-vaapi/+bug/1784242/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
