If you have an older CPU, HEVC playback may be slow. Use VLC’s hardware acceleration (Tools → Preferences → Input/Codecs → Hardware-accelerated decoding).
Test an MKV file with the ffmpeg command line tool: install hevc codec for mkv video on linux mint link
vo=gpu hwdec=vaapi hwdec-codecs=hevc,h264,vp9 profile=gpu-hq If you have an older CPU, HEVC playback may be slow
For mpv or VLC, enable hwdec in their settings: sudo apt-get install vlc This is the standard
Linux Mint offers a dedicated package that includes the essential codecs needed for high-efficiency video coding (HEVC) and MKV containers.
sudo apt-get install vlc
This is the standard way to ensure system-wide support for HEVC and other proprietary formats. Via the Menu: Launch Menu Sound & Video Install Multimedia Codecs Via Terminal: Open a terminal and run the following command: sudo apt update && sudo apt install mint-meta-codecs Use code with caution. Copied to clipboard