Recorded videos look choppy

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siredtigh

New Member
This has been an ongoing issue for me (several years now). My recordings contain stuttering that is NOT present in-game, and just generally do not look smooth.

Here is the log file from a 4-minute test recording I did: https://obsproject.com/logs/DicxKnK7mBgRsyjA

My settings:
1080p 60fps
MPEG-4, NVIDIA NVENC H264 (I have a GTX 1080)
Constant QP 20
Keyframe interval - 1s
Preset - P1
Tuning - High Quality
Multipass Mode - Single Pass
Profile - High
Look-ahead & Adaptive Quantization - OFF
B-Frames - 2

(Changing these settings seems to have no effect on the amount of stuttering)

The log says I had 25 lagged frames. Consistently across every recording I get around 20-30 lagged frames, I believe at the beginning right after I click "record", most likely from game capture hooking into the game. It is NOT enough lagged frames to justify how my recordings look. On longer recordings I will have the same amount of lagged frames, so the lagged frames are not occurring throughout.

Things I'm doing/I've tried so far:
I'm running OBS as admin
I close all background programs when recording
I've tried disabling the preview
I created a whole new scene with only the bare essentials, no extra browser sources or anything

Some things I haven't tried yet:
Updating GPU drivers (this hasn't helped in the past but maybe it will now)
Setting my monitor refresh rate to 60 rather than 144, to match the 60fps recording (would rather not do this as it would introduce input lag)

If anyone has any additional ideas, please let me know. I'm at a dead end.
 
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rockbottom

Active Member
Rendering lag is GPU overload. Clean it up & the encoding lag will cease too.

02:17:27.967: Output 'adv_file_output': Number of lagged frames due to rendering lag/stalls: 25 (0.2%)
02:17:27.967: Video stopped, number of skipped frames due to encoding lag: 25/14068 (0.2%)

Try running your main monitor @ 120HZ & the secondary monitor @ 60HZ. It might be enough load reduction to eliminate the lag.

Also fix your Scene, it's bugged. Only (1) Display, Game or Window capture per Scene.

02:13:15.972: Switched to scene 'Scene'
02:13:15.972: ------------------------------------------------
02:13:15.972: Loaded scenes:
02:13:15.972: - scene 'Scene':
02:13:15.972: - source: 'Application Audio Capture (BETA)' (wasapi_process_output_capture)
02:13:15.972: - source: 'Game Capture' (game_capture)
02:13:15.972: - source: 'Window Capture' (window_capture)
02:13:15.972: - source: 'Window Capture 3' (window_capture)
02:13:15.972: - filter: 'Color Correction' (color_filter_v2)

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siredtigh

New Member
Did you not read my full post?

siredtigh said:
The log says I had 25 lagged frames. Consistently across every recording I get around 20-30 lagged frames, I believe at the beginning right after I click "record", most likely from game capture hooking into the game. It is NOT enough lagged frames to justify how my recordings look. On longer recordings I will have the same amount of lagged frames, so the lagged frames are not occurring throughout.
Click to expand...

As I stated, my recordings contain more stuttering/choppiness than the logs report. Upon playback, that quick test recording appeared to contain much more than 25 lagged frames. Plus, as I said, I think those lagged frames only happen at the beginning of each recording (I can see it on OBS, my framerate will temporarily drop to ~50 when game capture hooks into the game). This indicates that the choppiness is NOT a result of GPU overload.

That being said, I'll try some of your other suggestions. However, I do need at least one window capture for my recordings. Would it really have that big of a performance impact?
 
S

siredtigh

New Member
I tried your suggestions and they unfortunately didn’t help. Again, I don’t think I’m having GPU overload. Furthermore, I’ve already tried lowering my settings and they haven’t made a difference.
 
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