OBS - Rendering Lag/Dropped Frames - Idle/In-Game/Otherwise - Issue Newly Present from NDI Install

Unstackablecups

New Member
Hey everyone!

I am running into an issue that I have 0 problems with since day 1 until this morning when I was experimenting around with installing the NDI plugin and trying a 2nd PC to record my games. I have attached the logfile to reflect my OBS setup, but long story short, I primarily record Microsoft Flight Simulator 2020 with a lot of browser overlays displaying aviation data in the game. I run the game on an overclocked 118hz monitor and I had set the FPS to 118 in OBS, as I originally experienced frame drops by setting it to 60 or some common integer value. Basically, for the better part of 5 months now, I've been able to run the following settings in my recordings and streams without a single issue:

Bitrate: 5000 (Autodetect set it to 10,000)
Base Resolution: 1080p
Output Resolution: 1080p
Framerate: 118
Encoder: Software x264
Audio Bitrate: 320
Downscale Filter: Bicubic
Run as Administrator
Game Mode On (I am aware that this is not recommended)
etc.

Ever since I installed and configured NDI (I've subsequently scrubbed it entirely from my computer), even at idle with OBS now, I experience shifts from a constant 118 FPS to anything ranging from like 107 FPS to all the way down into the 20 FPS range, especially once I do actually launch a game and then it'll jump right back up.

I have both well-binned Core i9 10850K CPU overclocked well along with a well overclocked AMD RX 6800. I have manageable performance in-game and like I said, until this morning, I had absolutely 0 problems with running recordings and streams at the above settings without experiencing frame drops, render lag, and all that jazz displayed in the stats dock.

Nothing in-game has been affected and neither have any of my companion add-ons. This seems strictly isolated to OBS. I have went through the stickied troubleshooting threads, but honestly, NDI is literally the only change that has occurred in the OBS situation between having absolutely perfect streams that reflect a constant 118 FPS in the bottom right hand corner of OBS to where I now mentioned it's doing the exact same thing it did when I tried to set the output FPS to 60 FPS. It skips frames and looks like a slide show at times now, plus cutting out my webcam and everything, not just one specific window or instance inside of OBS.

I have restarted multiple times and again, scrubbed NDI everywhere I could find it in OBS. I'm really trying to avoid having to start all over with OBS, as I invested a good amount of time into configuring about 5 scenes that, again, worked perfectly before this. OBS on my laptop for my upstairs game streams has the same 5 scenes configured with no issue present.

If anyone has any suggestions as to my specific situation, save uninstalling OBS and going through the whole process of setting everything back up, it would be greatly greatly appreciated. Thanks!
 

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