Linux not found running ffprobe


I use ffmpeg regularly on my RPi 4. I’ve written several articles. For no apparent reason, today ffprobe, which I use to get the length or a recording, stopped working for no apparent reason. The error was something like not found

I hadn’t done any upgrades or anything at all, I think.

The solution

$ sudo apt-get install libavdevice-dev

Even though it looked like it was already present as shown by a dpkg -l, running this command installed a bunch of related libraries and seemed to fix things up just fine.

ffmpeg version 4.3.4-0

Raspbian 11 bullseye

References and relate

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