Workaround, see below.
On 9/18/24 9:04 AM, Stuart Henderson wrote:
> 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.
>
Turns out that VLC had "hardware acceleration" set to automatic. I
assume that it is shipped that way, since I generally have no need to
alter the default settings. And the problem is indeed due to the VA-API
stuff as Stuart suspected.
I got it to work by going into VLC's settings > Tools, Prefs.,
Input/Codecs tab, and set the "hardware acceleration" to disable. Then
VLC stopped seg-faulting and plays both MP4 files and one test DVD okay.
Interestingly, VLC with hardware acceleration set to automatic, works
just fine in my OpenBSD 7.5 box.
regards,
Byron
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