Video playback stutters/laggy on multiple media players randomly

[cornered_fox]

Hello,
I am using VLC and Combined Community Codec Pack as my main media players for video playback, and randomly, usually every 30 seconds or so, the video stutters for around 5 seconds (everything moves in jitters and slowmotion, very laggy, the sound stays normal though), then returns back to normal. Another 20 - 30 seconds pass, and it does it again. If I click back to see the parts that stuttered first, they plays fine and smooth, but then some other part of the video will stutter in a few seconds. Some of the videos even have low resolution like 480p and this problem still happens, so it's not because my system cannot handle the file sizes or resolution.

I tried increasing the File Caching in VLC to 1000ms (from 300ms) but it didn't make a difference. The same videos work perfectly on my 2 laptops (which are much weaker than this system), this is happening on my gaming rig.

Specs in case they are useful:
i7-4790 Haswell
GTX 980Ti
32 GB RAM

Anyone have any idea? :/ Thanks for any advice.

 

[gbb0330]

open resource monitor and keep an eye on it, see which resource spikes when the issue occurs.

 

[cornered_fox]

Hello gbb0330, I checked Resource Monitor while playing a video on VLC and the process called System Interrupts was spiking to 7% when the stutters were happening.

 

[gbb0330]

Hello gbb0330, I checked Resource Monitor while playing a video on VLC and the process called System Interrupts was spiking to 7% when the stutters were happening.

7% CPU ?

did you look at the other metrics: memory, disk, network?

 

[cornered_fox]

Yes, they look fine. Disk was sometimes going up to 3MB/Sec, but other than that everything else was barely moving. The only thing that came to attention was the System Interrupts under CPU.

 

[gbb0330]

Yes, they look fine. Disk was sometimes going up to 3MB/Sec, but other than that everything else was barely moving. The only thing that came to attention was the System Interrupts under CPU.

try defragmenting the hard drive

 

[cornered_fox]

I have 3 drives, one of which is an ssd, and the problem happens on all the drives. Both the hdds are defragmented. Weirdly enough, this problem is not happening on YouTube videos.

 

[gbb0330]

might be a codec issue, try klite codecs
https://www.codecguide.com/download_kl.htm

 

[cornered_fox]

Hello, I managed to solve the problem by setting a custom refresh rate in Nvidia Control Panel. I set it to 60.001 Hz (I need to do this for some games to keep a constant 60 fps), and this solved the video issue It only works on VLC though, media playback with CCCP is still laggy. Thank you for your help gbb0330, guess I'll stick with VLC.

 

[cornered_fox]

Unfortunately, the problem above is back The lagging today was prevalent, even with the 60.001 Hz trick. Any ideas?

Is there a program I could use to check if my graphic card is faulty? I have been having video related problems with this new build since day one.

 

[gbb0330]

you can use one of the unigine benchmarks to stress the video card

https://unigine.com/products/benchmarks/

you can use GPUZ to check the temps

https://www.techpowerup.com/gpuz/

 

[cornered_fox]

So I did a stress test with Furmark, at 1920x1080 fullscreen it was 101 fps, on windowed 155 fps. I left it for an hour. I assume those results are good?

A friend told me about a media player called Splash by Mirillis. I gave it a shot and it works! The occasional lagging is gone Only problem is I have quite a few WebM files and JPSmile files, and Splash doesn't support those file types :/ The common formats like AVI, MP4, MKV are working perfectly though