Convert H.264 files to the MP4 format (read the instructions in the next section).Go to Tools > Preferences > Show settings, click All > Input/Codecs \ Demuxers: Demux module. Force H.264 demuxer in VLC preferences.Always download the latest version from the VLXC website. Update your VLC media player to the latest version and make sure to update VLC codecs.Is the H.264 video still not playing on VLC? Does it say it cannot decode this video format? If you’re still having problems and you can’t play H.264 videos on VLC player, try the following troubleshooting tips that may help to fix the issues: Troubleshooting tips if VLC is not playing H.264 files The problem is that the VLC player doesn’t play the NVR or DVR H.264 videos right away, you need to enable the option and all will play accordingly. Now you can open up and play/view the H.264 files in the VLC media player. Next click Save to apply the new settings.
Select “ H264 video demuxer” from the Demux module.
