[Bug 1874808] [NEW] Unmuting Twitch video pauses playback, when media.autoplay.enabled.user-gestures-needed=false, media.autoplay.default=1

Jani Uusitalo 1874808 at bugs.launchpad.net
Fri Apr 24 13:35:04 UTC 2020


Public bug reported:

With `media.autoplay.enabled.user-gestures-needed` set to false and
`media.autoplay.default` set to 1 (block audio), which is the default
(and other autoplay-related settings in their defaults as well), a
Twitch video can only be either paused or playing muted; unmuting the
video pauses it and vice versa.

== Steps to reproduce ==
1. Open about:config
2. Search for autoplay in the settings
3. Set media.autoplay.enabled.user-gestures-needed to false
4. Set media.autoplay.default to 1
5. Open a Twitch VOD, for instance https://www.twitch.tv/videos/280106033
6. Try to unmute the video

== What happens ==
The video is unmuted, but also paused

== What I expect to happen ==
For the video to continue playing, unmuted

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: firefox 75.0+build3-0ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
BuildID: 20200403170909
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr 24 16:33:46 2020
InstallationDate: Installed on 2016-10-13 (1289 days ago)
InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fi_FI.UTF-8
 SHELL=/bin/bash
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: firefox
     Importance: Unknown
         Status: Unknown

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


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

** Bug watch added: Mozilla Bugzilla #1631642
   https://bugzilla.mozilla.org/show_bug.cgi?id=1631642

** Also affects: firefox via
   https://bugzilla.mozilla.org/show_bug.cgi?id=1631642
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1874808

Title:
  Unmuting Twitch video pauses playback, when media.autoplay.enabled
  .user-gestures-needed=false, media.autoplay.default=1

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