this post was submitted on 25 Dec 2024
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[–] CoopaLoopa@lemmy.dbzer0.com 3 points 1 day ago (1 children)

Once Intel ARC cards are supported natively in UnRaid, I'll be transcoding everything to AV1.

Hardware encoding for AV1 is really all that has been missing for it to be widely used for homelab setups.

[–] Valmond@lemmy.world 2 points 1 day ago (1 children)

To someone not knowing anything, how big a deal is the difference?

[–] CoopaLoopa@lemmy.dbzer0.com 4 points 1 day ago (1 children)

Super oversimplified, but take an imaginary 1GB video file and it will compress roughly to the size below with minimal visual degradation.

H.264 -> H.265 -> AV1

1GB -> 600MB -> 350MB

[–] Valmond@lemmy.world 2 points 19 hours ago (1 children)

Thanks!

Is it (more) cpu expensive to decode the AV1?

[–] CoopaLoopa@lemmy.dbzer0.com 1 points 10 hours ago

Yes. If you don't have hardware that supports AV1 decode, it gets sent to the CPU instead.

For homelab stuff, the responsibility falls on the server to transcode the media to whichever format the client device requests. That usually means being able to have ~2 simultaneous AV1 streams and maxing out the CPU.

With hardware decode, you could have 10+ streams.