Very low framerates in 8K videos after latest update !!

Yar

Karlson Сould you provide more details regarding your video? is it 8 or 10 bit video? do you have the HVEC codec installed? Have you tried turning on the Unity player in the settings?

philpw99

boboweb
Hey bobo, mine DeoVR problems just magically disappeared !!
Just disable both "Alternative Method" and "DirectShow", enable the "Unity Player" in "Developer option", tell me if it works for you. 😉

boboweb

philpw99

"Alternative Method" and "Unity Player" in "Developer option" arent they the same thing ?!?

philpw99

boboweb
They are certainly not the same. "Alternative Method" is Media Foundation, and "Unity Player" is, well, player from Unity3D.

boboweb

philpw99

OK will give it a try then ...

boboweb

philpw99

Just tried Unity Player option enabled and the result is no single frame difference ... Same as the last time i have been tried ...

Hillman1970

I know next to nothing about this and worry any significant changes I try could dig a deeper hole. I do know DEOVR was great and is now next to useless. I mean no disrespect but isn't this something DEOVR have to fix and if they do not we have to look else where? And that being the case, what is/are the best alternative/s?

ili

boboweb I found that if i start DeoVR not from desktop shortcut but from "Games" menu section in VirtualDesktop then DeoVR works fine and there is no frame drops ... Actually it seems to starts without SteamVR loading in this way . Very strange indeed but its a kind of solution .

Can someone try this and confirm it ?

This sounds very similar to what I reported here https://forum.deovr.com/d/537-low-fps-looks-like-something-to-do-with-wmr

I don't know if it was DeoVR/Steam/Windows update but the bottom line is that DeoVR is unusable for 2 months now (while other players I tried works perfectly fine)

philpw99

Too bad @boboweb , wish I could help more...
I still have no idea how my playback problem went away...
By the way, you are right, Unity Player is the "Alternative Method". I cannot believe I only found it out now. My previous investigation is filled with so much flaws... :D

So what are DeoVR's behaviors with "DirectShow" and "Alternative Method"?
Right now, the answer seems to be:
* DirectShow off, Alternative Method off : Unity Player, automatically switches to "DirectShow on" if playback fails. This is the most compatible way.
* DirectShow off, Alternative Method on: Unity Player, no fallback. It will ask you to install VP9 codec if you try to play a downloaded Youtube video.
* DirectShow on, Alternative Method off: Unity Player with directshow filters (LAV). It can handle most videos except the ones in 10bit / 7k or 8k.
If you turn on the "Unity Player" in developer settings, it's the same as "Alternative Method" always on.

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