(In reply to walmartguy from comment #54) > (In reply to Darkspirit from comment #52) > > I assume this bug will be fixed once video decoding has been moved to a > > utility process (bug 1722051). > > Until then, MOZ_DISABLE_RDD_SANDBOX=1 environment variable is required to > > try out experimental VAAPI. > > It doesn't work reliably regardless, as also some other reports here > indicate: intel_gpu_top shows that hardware decoding initially is used for a > brief moment, but then Firefox falls back to CPU decoding with intel_gpu_top > reporting 0% hardware video decoding load.
That indicates a bud in decoding itself and not a sandbox issue. Please file that as a new bug. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1964547 Title: [upstream] RDD sandbox prevents HW-accelerated video playback Status in Mozilla Firefox: Confirmed Status in firefox package in Ubuntu: Confirmed Bug description: • Ubuntu 21.10 (64 bit) • Firefox 98 installed via apt (cookies & cache have been cleared) • Kernel 5.13.0-30-generic x86_64 • Tried on both wayland and X11 session → same result Steps to reproduce: (1) Visit https://www.youtube.com (2) Choose one of the video Actual Result: Video doesn't play What Expected: Video Play normally Previously it was normal on Firefox 97 (apt version) Tried installing Firefox 98 Snap version and it works normally To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1964547/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
