The way to run avidemux from command-line was learned by me from, although they do not mention the Python scripts, only the JS ones (which didn't work for me). It copies everything, but drops all but the needed audio track.

Then I ran a batch conversion of many files with a command like this one: for f in *.avi do avidemux3_cli -nogui -load '$f' -run. Download, install and launch EaseFab Step 1. Extract subtitles from MP4, MKV, and other video formats easily. How to Remove Hardcoded/Soft Subtitles from MKV, MP4, AVI Movie on Mac/Windows. How to view closed captions on a video: Turn on the captions option in your devices accessibility settings. Instantly generate subtitles and closed captions for videos in just minutes. I removed everything unrelated (a dozen of unneeded lines), and this is what I got in my some_series.py: #PY <- Needed to identify # Save time with online automatic subtitling software.

I've looked at what kind of projects are saved as SpiderMonkey or TinyPy projetcs for my actions, and it turned out that the SpiderMonkey (JavaScript) project lacks the audio track selection actions which I needed, but the TinyPy (Python) project did have them. (In Avidemux GUI, as decribed in above, you simply select/unselect the audio tracks, and save the file.

Remove subtitles from mp4