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. I removed everything unrelated (a dozen of unneeded lines), and this is what I got in my some_series.py: #PY <- Needed to identify # XMedia Recode is described as can convert nearly all popular audio and video formats including 3GP, 3GPP, 3GPP2, AAC, AC3, AMR, ASF, AVI, AVISynth, DVD, FLAC, FLV, H.261, H.263, H and is a very popular Video Converter in the video & movies category. Next, select the desired audio track and subtitle track under the Video, Audio, and Subtitle tab. Select MP4 in the Format tab below, and you can also select other output formats like XMedia Recode DVD to MKV. Bn ang s hu mt thit b gii trí s có th nghe nhc, xem phim. XMedia Recode will read and list all titles, just select titles you want to convert, right-click, and select Add to queue. 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. XMedia Recode 3.5.0.0 là phn mm chuyn i video a nh dng vi tính nng h tr chính cho thit b di ng.

(In Avidemux GUI, as decribed in above, you simply select/unselect the audio tracks, and save the file.

Xmedia recode add audio track to mkv