https://github.com/matula/ai-ncoder
I hacked this together months ago because I found myself converting a bunch of old audio files, and I was continually googling #ffmpeg flags. I thought it would be cool to use natural language for transcoding, but wanted it to keep it local, and workable offline.
So I grabbed the smallest, usable model and hacked together some Python and prompts... And it just kind of worked.
I thought I'd clean it up and share.
So, got the server in place but discovered that the Docker image that I created that has the Sisyphus client and all of the binaries like `ffmpeg`, `av1an` was not very happy. Ffmpeg crashed because it couldn't find the `libSvtAvcEnc.so.4` library which was because I had a custom version of it installed (`svt-av1-psyex`).
Got the Dockerfile fixed by installing `svt-av1-psyex` and then compiling `ffmpeg` against those libraries, then installing both `svt-av1-psyex` and `ffmpeg` into the final container which makes `ffmpeg` happy. Also saw an issue where the Vapoursynth `lsmash` module wasn't being found, but that got tracked down to a stale Docker image (forgot to pull the latest from the repo).
I have two encodes going: one `ffmpeg` and one `av1an` which should be the real final test. If they turn out well, attachments where they're supposed to be, etc., etc. then I'll probably start working on documentation and get this out there.
#sisyphus #encoding #av1an #vapoursynth #ffmpeg #svtAv1Psyex
📝 New blog post: Creating a lyrics video using Remotion
How I automated the creation of time-synced lyrics videos for The Seventh Shadow using Remotion, FFmpeg, and a custom syncing tool.
https://blog.arda.tr/blog/2026-03-09-creating-a-lyrics-video-using-remotion
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