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How use av1 video with Firefox ?? [~solved] (lemmy.ml)

submitted 1 month ago* (last edited 1 month ago) by Donatello@lemmy.ml to c/firefox@lemmy.ml

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cross-posted from: https://lemmy.ml/post/22627659

Hi,

I have a couples of AV1 videos that I would like to display on a html page.

I've tried
<video controls preload="none">
    <source src="FooBar.mp4">
</video>
but it trow back

I've tried first with MKV container as it's listed on the wikipedia page.

but this is not listed on the mozilla page https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Video_codecs 🤔

Confusing.. as I found also this in the firefox release note:

Firefox 97 and later versions support AV1 video in the MKV container.

So WTF !?

I've tried also
<video controls preload="none">
    <source src="FooBar.mp4" type="video/webm; codecs='av01.0.08M.08'">
</video>
but that change nothing...

Any ideas ?

Thanks.

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[–] taaz@biglemmowski.win 3 points 1 month ago* (last edited 1 month ago) (1 children)

Your second example has wrong type for that file should be video/mp4.

https://tekeye.uk/html/html5-video-test-page

[–] Donatello@lemmy.ml 1 points 1 month ago* (last edited 1 month ago) (2 children)

Thank you @taaz@biglemmowski.win no matter the type I enter, it's still not working...

btw the videos on your link are encoded H264 with , not AV1

Codec: H264 - MPEG-4 AVC (part 10) (avc1)

[–] taaz@biglemmowski.win 1 points 1 month ago* (last edited 1 month ago)

I know, I've linked that to show the correct mimetype.

Is your web server returning the correct mimetype for the FooBar.mp4 file ? Also codecs part should probably look more like this: type='video/mp4; codecs="av1, ogg"' (omit the ogg in your case)

E: if you are opening the html with the element as a file:// in firefox, you probably wont be able to load resources from http:// (only https:// it seems), and it will show the same error in this case but it's because of security not because it can't decode the media. You can see the detailed error (for loading the file) in developer tools ctrl+shift+i and switch to network tab.