Cannot play 'framed' video
I've made some security related changes via 'about:config' and now the Welcome video on the site https://www.dragon-claw.org/ does not play. There are no errors. It just doesn't play. This works in the firefox developer version. I can also view that video on the vimeo site, just not on this page. I started firefox in safe mode, but get the same issue so I guess it's some configuration I screwed up Thanks
Chosen solution
OK. Found the problem media.autoplay.enabled was set to false
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Don't you remember what pref(s) you changed?
You can sort about:config by Status to see if you recognize prefs you changed. Otherwise you will have to remove prefs.js to reset all prefs.
You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.
- Help -> Troubleshooting Information -> Profile Directory:
Windows: Show Folder; Linux: Open Directory; Mac: Show in Finder - http://kb.mozillazine.org/Profile_folder_-_Firefox
Modified by cor-el
Ok. Have renamed prefs.js to something else and restarted firefox. The video now plays correctly, so it's something in the config.
Chosen Solution
OK. Found the problem media.autoplay.enabled was set to false