• Thanks: 7

Topic: SVP 4: Video plays slowly, audio plays normally.

Freshly installed SVP 4.
144hz display.
Windows 10.

I have had this problem both times I've installed SVP 4.  SVP 3.1.7a worked fine for me before I re installed my operating system, but I want to migrate to SVP 4.  As I stated in the title, the video plays slowly (at about 0.55x according to a rough calculation), and the audio plays at normal speed.  Thus far I have not been able to fix the problem.  Has anyone seen this problem or know how to fix it?  If I drag the player to my 60hz monitor, it plays back fine.  It also works great on my 75hz monitor.  The problem only occurs on my main 144hz monitor, which is of course the one I want to watch it on.

  • MAG79
  • SVP developer
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Re: SVP 4: Video plays slowly, audio plays normally.

Quaternions
Some questions to get more information:
Check if GPU-acceleration is enabled in SVP4?
Check if GPU load is less than 100% (use GPU-Z)?
What is CPU load in cases 75Hz and 144Hz?

  • Thanks: 7

Re: SVP 4: Video plays slowly, audio plays normally.

There is no effect when I change between
GPU Acceleration > Intel HD Graphics 4600
GPU Acceleration > GTX 970
or even
GPU Acceleration > No acceleration

GPU load on Intel 4600: 21%
GPU load on GTX 970: 3%

CPU: i7-4790
CPU load for 144hz: 10%
CPU load for 75hz: 23% (Video not slowed)
bonus
CPU load for 60hz: 20% (Video not slowed)

Thank you for your response.

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Re: SVP 4: Video plays slowly, audio plays normally.

Are you using MadVR?  See if this occurs with "Enhanced Media Presenter (custom renderer)".

  • Thanks: 7
  • Thanks for the post: 1

Re: SVP 4: Video plays slowly, audio plays normally.

MadVR was not installed.  Installing MadVR appears to have fixed the problem.  Thank you for your help!

I saw that the DirectShow Video option was on MadVR while the problem was still happening, and I didn't have it installed.  I installed it right away, and it fixed the issue.  After installing it, I tried changing the DirectShow Video to "Enhanced Media Presenter (custom renderer)" as you suggested.  When using this option, the video plays at regular speed, but does not appear completely smooth without noticeable artifacts.  After changing the option back to MadVR and restarting the player, the video shows at normal speed and plays smoothly.  Again, thanks for your help!