@dart364 you might want to look at installing for example nvtop and checking mpv is actually using hardware decode…
I’m using GNOME Videos oss repo install…
@dart364 Since you have a discrete card, maybe look at an Intel ARC?
I have one of these for testing https://www.techpowerup.com/gpu-specs/sparkle-arc-a310-eco.b11758? It does work at PCIe3.0 x8 plus the systems I have don’t have rebar/PCIe 4.0, so there is a performance hit, but fits my needs.
Compared to your existing card?
https://www.techpowerup.com/gpu-specs/geforce-gtx-750-ti.c2548
I had nvtop I just neglected to check it … now you ruined all my fun 
… videos play just fine so I didn’t notice … at least I don’t have packman now … maybe another flatpak so I only have one package instead of a whole repository to worry about
I have to replace some peoples computers in the next day or two so maybe I’ll inheiret something good but I’ll keep that card in mind …
@dart364 A later model Nvidia might help as they have encodes/decoders…
Look again, maybe the decode load is so low that it doesn’t show in the graph.
I see 1% GPU decode here with an HD mp4 (look at the “Compute” line):
PID USER DEV TYPE GPU GPU MEM CPU HOST MEM Command
3022 bruno 1 Graphic N/A 409MiB 3% 0% 282MiB /usr/bin/gnome-shell
3624 bruno 1 Graphic N/A 210MiB 1% 0% 483MiB /usr/lib64/firefox/firefox
5457 bruno 1 Graphic N/A 158MiB 1% 0% 465MiB /usr/bin/python3 /usr/bin/showtime --new-
>>>>> 5457 bruno 0 Compute 1% 57MiB 1% 9% 465MiB /usr/bin/python3 /usr/bin/showtime --new-
4588 bruno 1 Graphic N/A 52MiB 0% 0% 260MiB /usr/bin/nautilus --gapplication-service
5353 bruno 1 Graphic N/A 27MiB 0% 1% 231MiB /usr/bin/kgx --gapplication-service
3022 bruno 0 Graphic 0% 1MiB 0% 5% 282MiB /usr/bin/gnome-shell
3354 bruno 1 Graphic N/A 0MiB 0% 0% 75MiB /usr/bin/Xwayland :0 -rootless -noreset -
3513 bruno 1 Graphic N/A N/A 0% 41MiB /usr/libexec/gsd-xsettings
3521 bruno 1 Graphic N/A 0MiB 0% 0% 70MiB /usr/libexec/mutter-x11-frames
… and no packman nor flatpacks…
Ya … my gpu line does move around especially when I’m switching windows or clicking on a bunch of stuff so maybe it’s just working TOO good … heh
@dart364 I would expect to see “Compute” or “Both G+C” in the nvtop “TYPE” column… if you start using nvtop -E -1 it will show enc/dec data if present.
Age of the GPU may be the issue…
Was just compiling the Vulkan SDK to get the vkconfig tool and checked zypper to see if there were any updates and Lo and Behold I see Mesa and Vulkan … hope it’s in there
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