Linux users generally need to install the extra multimedia libraries manually, as open-source distributions cannot bundle proprietary codecs like HEVC by default. For Ubuntu / Debian / Linux Mint
sudo apt-add-repository ppa:strukturag/libde265 sudo apt-get update sudo apt-get install vlc-plugin-libde265 Use code with caution. Copied to clipboard Troubleshooting: Still lagging or "HVC1" error?
He opened VLC. Tools. Preferences. Show settings: All. Input/Codecs. Scrolled. There it was: Hardware-accelerated decoding . Automatic. He changed it to Disable .
For a more technical, open-source solution, you can install , a free library for decoding HEVC. This provides the necessary backend codec for many applications, including VLC's plugin ecosystem.
VLC Media Player includes its own internal codec library (libde265 and ffmpeg) to decode HEVC. However, you might still encounter playback issues due to: install hevc codec for vlc
At the bottom left under Show settings , select the radio button to open Advanced Preferences. In the left sidebar, click on Input / Codecs . Scroll down to the Advanced section on the right side.
Open VLC and navigate to > Preferences (or press Ctrl + P ). Click on the Input / Codecs tab at the top. Locate the Hardware-accelerated decoding dropdown menu.
Follow the prompts to download and install any available updates. 2. Enable Hardware Acceleration
Alternatively, you can also download and install the HEVC codec separately: Linux users generally need to install the extra
Since HEVC support was added in version 2.1.1, the first step to "installing" the codec is simply ensuring you have a modern version of the software.
At the bottom-left corner under Show settings , select the radio button. Click on Input / Codecs in the left sidebar. Scroll down to the Advanced section on the right side.
The video track is too demanding for your computer hardware. Try lowering your display resolution or closing background applications to free up CPU/GPU cycles.
He tried QuickTime. Green screen. He tried the default Movies & TV app. A polite error box appeared: "Missing codec. HEVC (H.265) required." He opened VLC
Once finished, the new H.264 file will play on any device without requiring a HEVC codec.
HEVC relies on hardware acceleration. Update your graphics card drivers (NVIDIA, AMD, or Intel).
If VLC still struggles or you want system-wide support for Windows apps (like the "Movies & TV" app), you may need the official extension from the Microsoft Store .
Is the video file stored on your or a network network/external drive ?
: If you are on Fedora or another restricted distribution, you may need to install the vlc-plugin-libde265 or enable the RPM Fusion repository to get full HEVC support. 4. Hardware Limitations