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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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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 [email protected] to c/[email protected]

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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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[–] [email protected] 2 points 6 months ago (6 children)

Maybe try a full update. Partial updates are problematic.

[–] [email protected] 2 points 6 months ago (4 children)

How do I do that?

[–] [email protected] 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.

[–] [email protected] 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.

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