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Comment by simlevesque | Hacker News Reader

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simlevesque·

The article claims that AV1 works since FF 65 but the examples do not work on FF 66.

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64-bit Windows users only, according to the release notes. https://www.mozilla.org/en-US/firefox/65.0/releasenotes/

Edit: as ataylor pointed out, Mac support was added in 66.0 https://www.mozilla.org/en-US/firefox/66.0/releasenotes/

Confirm, doesn't work for me on FF on Windows.

And this is a challenge for a "new" format: if AV1 works on 90% of systems, and GIF works on 100%, then in many cases GIF is the clearly correct solution. Why would I throw away 10% of my money? Why would I ignore 10% of my customers? In many businesses, just a few customer calls because of this could seriously hurt profitability.

The article shows how to make a fallback that serves GIF in cases where AV1 is not supported. That saves you 90% of your bandwidth for 90% of your image loads.

Set `media.av1.enabled` to true in about:config.

That worked for me on Linux FF 66. Thank you.

Are you on Linux? https://caniuse.com/#feat=av1 says that FF 66 has it enabled by default only for Windows and macOS users.

I'm on Firefox 66 on Mac and the last couple AV1 videos don't play.

I'm running Chromium 73 on Debian 9 and AV1 examples also don't work.

edit: I've downloaded first example[1] and video player won't play it neither.

edit2: Firefox 66 works!

[1] https://www.singhkays.com/blog/its-time-replace-gifs-with-av...

Thier claims about encoding working in ffmpeg are also untrue..

Author here: Can you clarify this?

Can also confirm does not work on firefox 66 for me; chromium does work though.

Odd, it's working for me:

Firefox 66.0.5 (64-bit)

on Windows 10

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