this post was submitted on 06 May 2024
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[Resolved] After updating through both APT and the Software Store, I can't play mp4 videos with VLC anymore. The screen goes blank for a second or two then the audio starts playing without the video.. (lemmy.world)
submitted 6 months ago* (last edited 6 months ago) by KickassWomen@lemmy.world to c/linux@lemmy.ml
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I'm using Debian 12, Ryzen 7 5700X processor, and Radeon HD 5450 graphics card. I have tried uninstalling and reinstalling VLC but it didn't resolve the issue. Here's an excerpt from the VLC's log file:

glconv_vaapi_x11 error: vaDeriveImage: operation failed

main error: video output creation failed

main error: failed to create video output

avcodec info: Using G3DVL VDPAU Driver Shared Library version 1.0 for hardware decoding

How do I resolve this issue?

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[–] thequantumcog@lemmy.world 2 points 6 months ago (2 children)

Maybe try a full update. Partial updates are problematic.

[–] KickassWomen@lemmy.world 2 points 6 months ago (2 children)

How do I do that?

[–] thequantumcog@lemmy.world 4 points 6 months ago* (last edited 6 months ago) (1 children)

sudo apt update && sudo apt upgrade

According to Debian Wiki VLC has limited support of va-api for hardware acceleration. Try fixes in the wiki. It might help.

[–] KickassWomen@lemmy.world 5 points 6 months ago* (last edited 6 months ago)

Thank you, this resolved my issue.

I read the wiki and changed "Hardware-accelerated decoding" to "VA-API video decoder".

My original problem was caused by the fact that this was set to automatic, now that it's set to "VA-API video decoder" VLC is able to play mp4 files again without any issues.

[–] phanto@lemmy.ca 2 points 6 months ago (1 children)

sudo apt dist-upgrade Then reboot?

(I think. Not an expert.)

[–] KickassWomen@lemmy.world 2 points 6 months ago* (last edited 6 months ago)

Tried it. I don't think there's anything to upgrade:

Jean-Luc@Enterprise:~$ sudo apt dist-upgrade
[sudo] password for Jean-Luc: 
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.