https://bugs.kde.org/show_bug.cgi?id=516067

Zamundaaa <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[email protected]
         Resolution|---                         |WAITINGFORINFO
             Status|REPORTED                    |NEEDSINFO

--- Comment #1 from Zamundaaa <[email protected]> ---
On my laptop I see some individual frame drops from time to time with the
Vulkan decoder, but it uses the CPU quite heavily (maybe Mesa isn't set up to
support the codec or something), so it's not particularly surprising to me.
VLC (apart from not playing back HDR videos correctly) seems to be fine though.

How did you determine it drops to 30FPS? Just based on visuals, or also
measurements of some sort?
If you run mpv with mangohud, do you see the frame drops in the frame time
graph?

> While reproducing the problem, mpv does not report any frame drops.
Maybe the frames are presented at the wrong time, rather than dropped. Like
12--34--56--78-- instead of 1-2-3-4-5-6-7-8-. Or something more chaotic... It's
possible that mpv doesn't handle a lack of commit-timing support well, and this
will be gone once it's implemented in Plasma 6.7.

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