If handbrake scares them, don’t you dare to demonstrate how to use ffmpeg. I remember when I used handbrake for the first time and thought “wow, it’s much more convenient than struggling with ffmpeg”.
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Whereas with complicated GUI tools, you have to watch a video to learn how to do it.
From which I was able to then say, "Can I have the equivalent source code" and it did that too, from which I was able to spot my mistake in my original attempt. ( The KDF was using md5 not sha ).
I'm willing to bet that LLMs are also just as good at coming up with the right ffmpeg or imagemagick commands with just a vague notion of what is wanted.
Like, can we vignette the video and then add a green alien to the top corner? Sure we can (NB: I've not actually verified the result here) : https://claude.ai/share/5a63c01d-1ba9-458d-bb9d-b722367aea13
they are. ive only used ffmpeg via llm, and its easy to get the LLM to make the right incantation as part of a multi-step workflow.
my own lack of understanding of video formats is still a problem, but getting ffmeg to do the right thing only takes a vague notion