Avidemux video editor released version 2.7.2 today with new demuxers / encoders, bug-fixes, and various other changes.

Avidemux 2.7.2 release highlights:

• Native AviSynth demuxer (MSVC++ 64 bits Windows builds only)!
• VapourSynth demuxer to directly load .vpy scripts
• FFmpeg-based VA-API HW accelerated H.264 encoder (Intel/Linux)
• FFmpeg-based VA-API HW accelerated HEVC encoder (Intel/Linux)
• FFmpeg 4.x compatible
• Allow to cancel indexing of MKV files
• Add decoding support for multichannel Opus audio
• Other enhancements, and many bug-fixes.

How to Install Avidemux 2.7.2 in Ubuntu:

Appimage:

The software offers Linux universal binaries (non-install executable to launch the software) in its download page:

Avidemux download (Linux, Universal binaries)

Once you get it, do:

• right-click and go to file Properties -> Permissions -> allow executing file as program.
• right-click and select run the Appimage.

Flatpak:

Avidemux is also available as flatpak, see the Flathub page for more details.

Native Ubuntu package:

There’s also an unofficial PPA contains the latest 2.7.2 packages for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 18.10, and higher.

1. Open terminal either from app launcher or via Ctrl+Alt+T keyboard shortcut. When it opens, run command to add the PPA:

sudo add-apt-repository ppa:ubuntuhandbook1/avidemux

Type user password (no asterisk feedback due to security reason) when it prompts and hit Enter.

2. Then run following 2 commands to refresh package cache and install the video editor:

sudo apt update

sudo apt install avidemux2.7-qt5 avidemux2.7-qt5-data avidemux2.7-plugins-qt5 avidemux2.7-jobs-qt5

Uninstall:

To remove the native Ubuntu .deb package of Avidemux 2.7, run command in terminal:

sudo apt remove --autoremove avidemux2.7-*

And remove the PPA via Software & Updates utility under ‘Other Software’ tab.