[Bug 1852828] [NEW] Firefox youtube videos do not start automatically, when selected

[BertN45]

Public bug reported:

When I select a youtube video, nothing happens. I have to stop and start
the video to get it going. While it is stagnant, it slowly builds up its
buffer till 2 minutes, but the video most left button displays, that it
is running, but like I said, I have to stop and start it again. Chromium
works as expected.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: firefox 70.0.1+build1-0ubuntu0.18.04.1
ProcVersionSignature: Ubuntu 5.0.0-36.39~18.04.1-generic 5.0.21
Uname: Linux 5.0.0-36-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  bertadmin   2681 F.... pulseaudio
 /dev/snd/pcmC0D0p:   bertadmin   2681 F...m pulseaudio
 /dev/snd/timer:      bertadmin   2681 f.... pulseaudio
BuildID: 20191031085722
Channel: Unavailable
CurrentDesktop: XFCE
Date: Fri Nov 15 20:45:24 2019
Extensions: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
InstallationDate: Installed on 2018-03-11 (614 days ago)
InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180310)
IpRoute:
 default via 192.168.1.1 dev enp0s3 proto dhcp metric 100 
 169.254.0.0/16 dev enp0s3 scope link metric 1000 
 192.168.1.0/24 dev enp0s3 proto kernel scope link src 192.168.1.104 metric 100
Locales: extensions.sqlite corrupt or missing
PrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/firefox/omni.ja:greprefs.js:930
PrefSources: prefs.js
Profiles: Profile0 (Default) - LastVersion=70.0.1/20191031085722 (In use)
RunningIncompatibleAddons: False
SourcePackage: firefox
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.board.name: VirtualBox
dmi.board.vendor: Oracle Corporation
dmi.board.version: 1.2
dmi.chassis.type: 1
dmi.chassis.vendor: Oracle Corporation
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
dmi.product.family: Virtual Machine
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH

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


** Tags: amd64 apport-bug bionic

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Title:
  Firefox youtube videos do not start automatically, when selected

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