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by skrowl 4381 days ago
Agreed. MP4 doesn't work on Firefox (out of the box).
3 comments
pyre 4381 days ago
You should probably qualify that somehow, because MP4 works for me on Firefox (on OSX 10.9).
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preek 4381 days ago
It does not work for me, too. FF30, OSX 10.9.3.

https://www.evernote.com/shard/s19/sh/e81e070a-4e2e-4367-9eb...

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pyre 4381 days ago
OSX 10.9.2 + FF30 here: http://i.imgur.com/uTlQkg7.jpg
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DCKing 4381 days ago
Right click the video. It's probably Flash. Plays using Flash in Firefox on my machine.

OS X is the last platform where Firefox doesn't support H.264. They're working on it, but it doesn't seem to be landing soon.

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cookiecaper 4379 days ago
If you have a H.264 decoder installed (and most computers do), new-ish versions of Firefox will try to use it to play embedded H.264 videos. Unfortunately, a lot of sites are still in "Firefox == Flash" mode and automatically serve up the Flash version to Fx users without even trying a <video> tag.
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nacs 4381 days ago
MP4 works out of the box on my Firefox (latest stable).
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