Comment # 4
on bug 106519
from mikhail.v.gavrilov@gmail.com
Today (In reply to Christian König from comment #3) > > $ mpv --hwdec=vaapi Downloads/WE\ GOT\ INTEL\'S\ PROTOTYPE\ GRAPHICS\ > > CARD.webm > > Playing: Downloads/WE GOT INTEL'S PROTOTYPE GRAPHICS CARD.webm > > (+) Video --vid=1 (*) (vp9 3840x2160 29.970fps) > > Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object > > file: No such file or directory > > "--hwdec=vaapi" and "Failed to open VDPAU backend"? Could it be that you > have a setting which says to use VDPAU for displaying? This morning on my distribution (Fedora 29) a lot of packages was upgraded. After this upgrade, CPU load while playing 4K VP9 videos was decreased in two times. And most importantly, the GPU was stop heated like it was yesterday. (1-2 LED only glow during playing video) And disappeared dropped frames. But: 1) Error message "Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory" are still out. I am also want to say that I not touched settings and don't know why mpv want load libvdpau_nvidia.so library. May be you can help in where I can check this settings. 2) Problem was gone only in mpv and Firefox (I am not checking another players), but Totem still working as yesterday (GPU overheating, on the video card all LED are glow + 200% CPU and more ...) 3) On Firefox and mpv I was note that happens new problem. This issue in desyncing video and audio. The video is always late. 4) CPU loading during playing video was decreases in two times in some applications as I said above, but I am curious about 100% CPU load it normal or too much? I read somewhere that somebody's said that CPU load must does not exceed 30% on the mobile CPU with IGPU during playing 4K video. It's true?
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