** Description changed: - i've been investigating bugs of the gstreamer backend of qt - (QTBUG-122424, QTBUG-122423). it seems that we run into a pulseaudio bug - that has been fixed in pulseaudio-17. + [ Impact ] - what would it take to backport the corresponding fix? + gstreamer playback may hang after seeking. + This affects all video/audio players that use gstreamer as their backend. + The cause of the problem is a pulseaudio bug that was fixed in version 16.2 + + Some upstream bugs are QTBUG-122424, QTBUG-122423, + https://gitlab.gnome.org/GNOME/totem/-/issues/573 + + Here we backport the relevant patches: https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/745 - (i've verified that a local build of pulseaudio with that patch fixes - the issue). + https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/764 - edit: a very similar class of bugs requires - https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/764 - to be backported + [ Test Plan ] + + 1. Open a movie in the Totem video player + 2. Seek back and forth for a few minutes + 3. Verify that the playback never hung + 4. Verify that the audio plays correctly + + [ Regression potential ] + + libpulse0 is a critical component of Ubuntu Desktop. + It provides the audio interface for all applications. + A bug in libpulse0 may break audio input/output in one or many applications.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/2055842 Title: gstreamer: unreliable playback due to pulseaudio bug Status in pulseaudio package in Ubuntu: In Progress Status in pulseaudio source package in Noble: In Progress Status in pulseaudio source package in Oracular: In Progress Bug description: [ Impact ] gstreamer playback may hang after seeking. This affects all video/audio players that use gstreamer as their backend. The cause of the problem is a pulseaudio bug that was fixed in version 16.2 Some upstream bugs are QTBUG-122424, QTBUG-122423, https://gitlab.gnome.org/GNOME/totem/-/issues/573 Here we backport the relevant patches: https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/745 https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/764 [ Test Plan ] 1. Open a movie in the Totem video player 2. Seek back and forth for a few minutes 3. Verify that the playback never hung 4. Verify that the audio plays correctly [ Regression potential ] libpulse0 is a critical component of Ubuntu Desktop. It provides the audio interface for all applications. A bug in libpulse0 may break audio input/output in one or many applications. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/2055842/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
