Public bug reported:

Randomly, as I pause/play or seek a video playing video in Firefox, the
audio become "garbled". It sounds like robotic. The symptom seems to be
more likely to happen if one seek pretty aggressively. The symptom
disappears when restarting Pipewire while the video is paused, or if I
pause the video for a while and then play it.

Steps to reproduce:
1. Play a video in Firefox. Doesn't seem to matter which one, but I reproduced 
the problem using this one: https://www.youtube.com/watch?v=kZOe7aaiqqE
2. Try pause/play, seek, do stuffs rapidly.

Expected result: audio plays back correctly.
Actual result: audio becomes "garbled". Listen to the attached audio clip.

This is Ubuntu 22.10 with Pipewire 1.2.4-1ubuntu1 and Firefox snap
version 132.0-1 (revision 5187). I'm not sure if this stems from
Pipewire or Firefox, but filing against Pipewire for now.

ProblemType: Bug
DistroRelease: Ubuntu 24.10
Package: pipewire 1.2.4-1ubuntu1
ProcVersionSignature: Ubuntu 6.11.0-9.9-generic 6.11.0
Uname: Linux 6.11.0-9-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.30.0-0ubuntu4
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Thu Nov  7 04:14:58 2024
InstallationDate: Installed on 2024-07-23 (106 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
ProcEnviron:
 LANG=th_TH.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
SourcePackage: pipewire
UpgradeStatus: Upgraded to oracular on 2024-11-03 (3 days ago)

** Affects: pipewire (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug oracular wayland-session

** Attachment added: "Garble sound.m4a"
   
https://bugs.launchpad.net/bugs/2086821/+attachment/5835158/+files/Garble%20sound.m4a

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https://bugs.launchpad.net/bugs/2086821

Title:
  Audio randomly become garbled when playing video in Firefox

Status in pipewire package in Ubuntu:
  New

Bug description:
  Randomly, as I pause/play or seek a video playing video in Firefox,
  the audio become "garbled". It sounds like robotic. The symptom seems
  to be more likely to happen if one seek pretty aggressively. The
  symptom disappears when restarting Pipewire while the video is paused,
  or if I pause the video for a while and then play it.

  Steps to reproduce:
  1. Play a video in Firefox. Doesn't seem to matter which one, but I 
reproduced the problem using this one: 
https://www.youtube.com/watch?v=kZOe7aaiqqE
  2. Try pause/play, seek, do stuffs rapidly.

  Expected result: audio plays back correctly.
  Actual result: audio becomes "garbled". Listen to the attached audio clip.

  This is Ubuntu 22.10 with Pipewire 1.2.4-1ubuntu1 and Firefox snap
  version 132.0-1 (revision 5187). I'm not sure if this stems from
  Pipewire or Firefox, but filing against Pipewire for now.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.10
  Package: pipewire 1.2.4-1ubuntu1
  ProcVersionSignature: Ubuntu 6.11.0-9.9-generic 6.11.0
  Uname: Linux 6.11.0-9-generic x86_64
  NonfreeKernelModules: zfs
  ApportVersion: 2.30.0-0ubuntu4
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Nov  7 04:14:58 2024
  InstallationDate: Installed on 2024-07-23 (106 days ago)
  InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
  ProcEnviron:
   LANG=th_TH.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: pipewire
  UpgradeStatus: Upgraded to oracular on 2024-11-03 (3 days ago)

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