Firefox makes no sound
I asked this question 2 years ago. It's closed so I have to ask again. Firefox makes no sound. I have a YouTube video playing, for example, and I can see the video, but there's no sound. YouTube's unmuted, the volume is all the way up. If I download the video I can play it with mplayer and hear the sound. I can watch a DVD with xine and hear the sound. I can play an audio file at the same time and hear the sound. I've encountered some videos I can't download so I can't hear them - I have to go to the library to use their computers.
I see 'failed to init cubeb... AudioStream.cpp line 387' and 'OnMediaSinkAudioError... MediaDecoderStateMachine.cpp, line 3755'
if those mean anything.
Избрано решение
pulseaudio is running. Removing '--disallow-module-loading ' solves my problem. This security measure is in Slackware's rc.pulseaudio. I'll tell them about it.
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Hi, sorry not able to hear.
- https://support.mozilla.org/en-US/kb/fix-common-audio-and-video-issues
- https://support.mozilla.org/en-US/kb/fix-video-audio-problems-firefox-windows
- https://support.mozilla.org/en-US/kb/html5-audio-and-video-firefox
Can try in Safe Mode
- https://support.mozilla.org/kb/Safe+Mode
- https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
In Firefox Safe mode these changes are effective:
- all extensions are disabled (about:addons)
- default theme is used (no persona)
- userChrome.css and userContent.css are ignored (chrome folder)
- default toolbar layout is used (file: localstore-safe.rdf)
- Javascript JIT compilers are disabled (prefs: javascript.options.*jit)
- hardware acceleration is disabled (Options > Advanced > General)
- plugins are not affected
- preferences are not affected
TEST REFRESH INSTRUCTIONS
Please Refresh but do this 1st: Delete your Cookies and Cache and TEST.
- https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer
- https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles
then
TEST....... If no issues then Extensions which need to be added back in 1 at a time and tested ..... Or it is your Profile : Make a new one and test ...:
If is your Profile :
- https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile
- http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox
Note: Any customization will revert back to default, you will also need to reinstall Extensions. Please let us know if this solved your issue or if need further assistance.
I tried all of this BEFORE I asked here. I've had this problem for more than 2 years.
Do you have PulseAudio installed?
I have tried both with and without pulseaudio. When I have pulseaudio running I have run pavucontrol, turned the volume all the way up, made sure speakers were unmuted.
You can check this article: No sound in Firefox 59 on Linux in some configurations
Избрано решение
pulseaudio is running. Removing '--disallow-module-loading ' solves my problem. This security measure is in Slackware's rc.pulseaudio. I'll tell them about it.
Hmmmm... I was running as root when this fix worked; when I run as myself it doesn't. (Yes I tried it as root before) so I have a permissions problem too; would anyone know what? I've looked at lsof's output but that hasn't helped.