[Bug 2055842] Re: gstreamer: unreliable playback due to pulseaudio bug

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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.

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