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[Rostislav Navrátil <1990180@xxxxxxxxxxxxxxxxxx>]

The same problem is discussed here:
https://github.com/kitone/subtitleeditor/issues/64
and working workaround is switching audio output to ALSA (Options - Preferences - Videoplayer, default is autodetect).

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https://bugs.launchpad.net/bugs/1990180

Title:
  subtitleeditor is unable to play video

Status in subtitleeditor:
  New
Status in subtitleeditor package in Ubuntu:
  New

Bug description:
  Subtitleeditor is unable to properly play videos after Ubuntu upgrade 20.04->22.04.
  Subtitleeditor can open video or audio, sometimes it can even play little bit, but videos quickly get stuck.
  You can seek in video to specific time, but you are unable to play the video.

  Sometimes the video un-stucks itself after long time (ten minutes or more), but it is only temporary.
  The video and/or audio gets stuck after seeking. Similar thing happens in totem.

  I tried to compile subtitleeditor from source and installing it
  locally, but it had the same problem.

  In Ubuntu 20.04 it was working.

  It seem it is unrelated to hardware, same thing happened on other
  computer after upgrade from 20.04 to 22.04.1 (one is AMD the other is
  NVIDIA).

  Longer videos get stuck more quickly.

  Steps to reproduce:
  1. start subtitleeditor
  2. open any video (the longer the better
  3. hit play button (video could start playing at this moment)
  4. if the video is not stuck, seek multiple times in it forward and backward

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: subtitleeditor 0.54.0-5
  ProcVersionSignature: Ubuntu 5.15.0-47.53-lowlatency 5.15.46
  Uname: Linux 5.15.0-47-lowlatency x86_64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: MATE
  Date: Mon Sep 19 18:55:47 2022
  InstallationDate: Installed on 2020-08-17 (763 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  SourcePackage: subtitleeditor
  UpgradeStatus: Upgraded to jammy on 2022-08-12 (37 days ago)

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