Find and change the value from 0 to 4 (or however many cores your CPU has). This forces VLC to use multi-core processing for HEVC decoding.
HEVC decoding is heavily reliant on your Nvidia, AMD, or Intel drivers. install hevc codec for vlc exclusive
During installation, ensure the is selected. Find and change the value from 0 to
In VLC’s Advanced Preferences (All) > Input / Codecs > Video Codecs > FFmpeg, uncheck "Zero copy" . This sometimes resolves compatibility issues between the codec and older display drivers. During installation, ensure the is selected
If you want a "set it and forget it" solution that works for VLC and every other player on your system, the K-Lite Codec Pack is the gold standard. Download the .
If you have the codec but VLC is still struggling, you need to force VLC to use "Stream Copy" or specific hardware layers. Open VLC and go to . Click on the Input / Codecs tab. Look for Hardware-accelerated decoding .