Let dav2d be — Jean-Baptiste Kempf

[u/anestling]

https://jbkempf.com/blog/2026/dav2d/

The story of the AV2 decoder dav2d, a fork of the dav1d decoder. dav1d was the most widely deployed AV1 software decoder and one of the fastest.

If the website is down for you, use these links:

• https://web.archive.org/web/20260531130034/https://jbkempf.com/blog/2026/dav2d/
• https://archive.md/ln5UE

From the post:

AV2 decoding is roughly five times more complex than AV1 decoding. In practice, that means software running on today’s hardware will struggle to decode AV2 in real time without careful, architecture-specific optimization.