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Does anyone know what the decoding performance of AV1 is these days? I'd love to play with it, but back when I last tried my oldish laptop did NOT like decoding it.

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dav1d is the state of the art currently, but i dont know if it's used by FF.

https://code.videolan.org/videolan/dav1d

It is, however it's not enabled by default for now. It will be in a few releases after we figure about a couple issues with the build system.

For people that would like to follow along from home, here's the Firefox bug for switching to the dav1d decoder:

https://bugzilla.mozilla.org/show_bug.cgi?id=dav1d

I have tried AV1 video on Chrome and it seems to be using the same amount of CPU as VP9 on my computer.

I can't test Firefox support for AV1 on my Mac, because it seems to work only on Windows.

It's only on windows by default, but you can enable it using about:config flag media.av1.enabled

I've been running with AV1 enabled on Linux (via about:config) for a while - maybe flipping the pref will work for you?

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