WebM Video is reported as unsupported
Every single WebM file I try to play (and I have tried MANY, all of which work in Chrome, VLC, etc., but not Fireofx) is reported by Firefox to be "corrupt". Gfycat doesn't work unless I switch to gif mode because the only two video formats Gfycat stores files as are MP4 which is apparently unsupported by Firefox due to patents and WebM which is where my problem lies. Youtube's HTML5 player doesn't work either. It just sits on the loading circle forever, refusing to go anywhere because apparently Firefox doesn't support WebM. I have tried disabling all addons and extensions and restarting Firefox and it did nothing. I distinctly remember WebM working in the distant past, and when I go to websites such as html5test and the page to activate Youtube's HTML5 player, they all report that my browser supports WebM, but no WebM videos actually work.
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Have you got an example of a site which doesn't work for you?
All formats on this test page work fine here. http://www.quirksmode.org/html5/tests/video.html
Make sure you have Javascript allowed.
Only OGG Theora works on that page. The other two say "No video with supported format and MIME type found." Javascript is allowed.
Take a look at this thread. https://support.mozilla.org/en-US/questions/920610
I tried everything in that thread one at a time and nothing worked.
WebM should work in Firefox if it is enabled.
- about:config page: media.webm.enabled = true
H.264 should work on Linux if you have GStreamer support installed.
- about:config page: media.gstreamer.enabled = true
You would think so, but both are enabled and neither works. Screenshots attached as evidence.
VLC shows this for me:
Codec: Google/On2's VP8 Video (VP80)
Codec: H264 - MPEG-4 AVC (part 10) (avc1)
I don't know what happened, but I was looking through settings, rebooted Firefox, and suddenly H.264 video works. WebM still doesn't work unfortunately, and that's what I need working.