Question / Help Lag sensation when recording with OBS

HugoGamerStyle

New Member
Ok, so when I start recording I still have 100+ fps but I see the game choppy and laggy (around 30fps), it's really enoying because my pc can reach those 100fps. Does anyone know whats the problem? Thanks :)
 

Narcogen

Active Member
Okay...

You're overloading your GPU.

11:28:03.218: Output 'adv_file_output': Number of lagged frames due to rendering lag/stalls: 1930 (27.2%)

You need to cap framerate and/or reduce fidelity in-game so that OBS has resources it needs to render frames prior to encoding.

You're also recording directly to mp4 which is bad because any crash or problem will lead to an unrecoverable file. It's a better idea to record to flv or mkv and then use the built-in option in the File menu to remux your recording to mp4 afterwards.

NVENC at 2500 kbps for CBR is not going to look that great, especially if there is fast motion involved. NVENC will not look as good at 2500 as x264 from your CPU would, and will be a larger file than if you specific CQP rate control and pick a low quality level. CBR is mainly used for streaming because streaming sites require a constant bitrate.

If you have tuned your game to get the maximum FPS your GPU can give you, you will always get less than that when playing and recording using OBS on the same machine. The only way to get max FPS and record without impact is to use a program like Shadowplay instead.
 

Narcogen

Active Member
Yeah I wasn't even going to get into that, I assumed if they bothered to set it that way there must be a reason why they want 100 fps recordings. But obviously doing 60fps or even 30fps would be easier and allow for both better performance and video fidelity with the same resources.
 
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