On 2024/09/18 08:58, Byron Campbell - WA4GEG wrote:
> VLC 3.0.20p4
> 
> Problem: VLC will not play the video of an MP4 and shows only a black
> screen, however the audio of the MP4 plays just fine.

Works fine here on latest amd64 snapshot (base and packages all updated)
with a randomly chosen mp4 file.

> Problem: VLC will immediately crash when attempting to play a DVD.

I have no way to test that. "Will immediately crash" isn't very helpful,
at least show the output (start vlc from a console and copy and paste
the lot), get a backtrace if there's a coredump.

Are you using any of the va-api stuff?

What display adapter?  dmesg wouldn't hurt.