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@aardrian@toot.cafe
2025-10-31 15:09:28

Two post updates this week (my site host is… chunking):
adrianroselli.com/2024/02/tech adds a W3C video about text wrap:

@jamesthebard@social.linux.pizza
2026-01-05 19:02:29

I've got initial `av1an` support into the Sisyphus encoding system. Updated the Dockerfile for `av1an`, added `svt-av1-psyex` with HDR10 and Dolby Vision support, and even installed the `lsmash` Vapoursynth plugin for fast scene detection/chunking. I still need to get `ffmpeg` compiled with support for `svt-av1-psyex`, but I'll deal with that in the future once I get encodes running and working.
Repo:

A screenshot of VSCodium showing part of the Dockerfile.  Lots of compiling from source, but it works and I'm not poking it with a stick.
@grahamperrin@bsd.cafe
2025-12-06 19:41:21

@… thanks, I'll think about it for the future.
All over the shop is partly dyslexia, I try to find a balance between what's in my head (sometimes, everything at once) and compartmentalising things. Chunking stuff, (a) for readers to maybe make sense; and (b) for future reference.
There's also the issue of search engine index limitatio…

@jamesthebard@social.linux.pizza
2026-01-03 07:03:35

Final tests in and the quality is outstanding. Going from the stock `svt-av1` encoder to the `svt-av1-psyex` encoder is already a nice bump in quality, and the encodes are faster using `av1an` due to using every ounce of the CPU. The `lsmash` speedup is nice as well as the stock method for chunking took a bit longer post-detection.
Also, can't say enough about the Ryzen 9 HX 370: did a great job with the encodes and only burned through ~24W during the encodes along with the Think…

The resulting encodes showing an original file size of 7.4GB and post-encode sizes ranging between 340MB (profile 3, CRF 30) and 267MB (profile 2, CRF 25, NAF).