Tag: avidemux

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Avidemux, a good video editor

If you don’t need a sophisticated video editing, but a linear editing one, Avidemux can be still a good option.

However it has not an official updated release (for Ubunutu) since 2022. An alternative to get it updated is flatpack, but with flatpack Avidemux uses a very huge quantity of disk space.

Another good linear video editing app would be Lesslosscut, but it is an app even bigger (and sucking ram) than Avidemux. Not to speak of installation problems with wayland.

So I resolved to:

  • uninstall avidemux flatpack and so free an huge space on disk:
flatpak uninstall org.avidemux.Avidemux
flatpak uninstall --unused
  • download a Nightly automated build and install it. In this way: I unpacked the files and do this command:
sudo dpkg -i *.deb

and I fixed missing dependencies

sudo apt update
sudo apt install libqt6core6 libqt6gui6 libqt6widgets6 libqt6network6 libqt6openglwidgets6
sudo apt install libfaac0

sudo apt –fix-broken install

Now I have an updated Avidemux app, with a fair space usage.

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how to merge video files

Two ways:

1) via terminal

you can use this code 

mkvmerge -o outfile.mkv infile_01.mp4 \+ infile_02.mp4 \+ infile_03.mp4

2) graphically

by using f.e. Avidemux:

  • open the first video file
  • go to the end of that file
  • append the second, and go to the end
  • then append all other possible video files
  • if you plan to merge several video (such as several films), you can queue instead of save (immediately) the files
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avidemux too slow

It’s better use (one of) the following codecs for encoding

  • x264
  • libavcodec MPEG-1/MPEG-2
  • libavcodec MPEG-4
  • Xvid 

so Avidemux will be able to optizmize the CPU usage and will be much faster. And the CPU temperature will be lower.
Cfr.here.

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sincronizzare audio e video (con avidemux)

Abbiamo avuto problemi di audio non sincronizzato col video, dopo aver effettuato un taglio a un film, e abbiamo invano provato più volte a risolvere il problema.
Niente. Finche non abbiamo trovato la risposta in questo forum: si trattava di controllare il Frame Rate dal menu Video (era settato, non si sa perché su 23.000 e l’abbiamo messo su standard framerate (25 FPS).