Here is one more guide
FFmpeg, my beloved.
ffmpeg is a superpower. I use it for assembling all the video bits into something playable
wow we're at ffmpeg 101 already? ffmpeg 8 felt like yesterday
this is what happens when you let agents push, approve and release code while you sleep!
For anyone looking to dive deeper and actually understand how FFmpeg and libav work under the hood, I highly recommend Leandro Moreira's tutorial [0]. For me, it's hands down the best and most comprehensive explanation out there.
I must say those commands in the original were not really interesting to me but the tutorial you posted seems much more useful