Question / Help Choppy recording, why?

[pcangeldust]

Hello

I heard some good things about OBS so I installed the software yesterday to make some LOCAL recordings of my gameplay.
Used this tutorial to configure: https://obsproject.com/forum/resources/how-to-make-high-quality-local-recordings.16/
crf=16, tried crf=15 and crif=20 and the difference is unnoticeable.

My problem is after recording, I using VLC and media player to play the file but the video is choppy even though I can hear the sound just fine. It's like a slide show, video plays for a few seconds then sticks on one frame for some time, the continues.

I increased the resolution downscale and that improved the choppyness but it still don't feel like 30FPS video, even set the cpu preset to ultrafast.

If it's my computer then how come Fraps worked fine in the past?

Here is my log: http://pastebin.com/qDrcx2ML

 

[dping]

Hello

I heard some good things about OBS so I installed the software yesterday to make some LOCAL recordings of my gameplay.
Used this tutorial to configure: https://obsproject.com/forum/resources/how-to-make-high-quality-local-recordings.16/
crf=16, tried crf=15 and crif=20 and the difference is unnoticeable.

My problem is after recording, I using VLC and media player to play the file but the video is choppy even though I can hear the sound just fine. It's like a slide show, video plays for a few seconds then sticks on one frame for some time, the continues.

I increased the resolution downscale and that improved the choppyness but it still don't feel like 30FPS video, even set the cpu preset to ultrafast.

If it's my computer then how come Fraps worked fine in the past?

Here is my log: http://pastebin.com/qDrcx2ML

preset: veryfast

Try superfast preset. That old quadcore is pretty weak, but superfast should do the trick and not decrease quality, your filesizes will be a little bigger though

 

[Boildown]

Also be sure that its not your player. I personally find that Windows Media Player has the best playback now, compared to Media Player Classic and VLC Player, but try all three anyways. Try copying the file to other PCs and see if the problems remain the same or if they change or get better.

And experiment with some really high CRF settings. Something in the high 20s. I've had files be difficult to play back before because their bitrate was too high (or CRF too low).

Finally, your log file is for just a few seconds of recording. Which means its statistically insignificant and we'd be making a mistake to tell you to change any settings based on its low duplicated frame count. Record for at least 5 minutes using video content that is the fastest action your game has to offer, and repost that log file.

 

[pcangeldust]

OK so I recorded my screen whilst watching youtube and the comments were really blurry.

crf=25, preset=superfast, 1.25 downscale from 1680x1050, quality balance = 10

What is causing the blurry text?

 

[dping]

W

OK so I recorded my screen whilst watching youtube and the comments were really blurry.

crf=25, preset=superfast, 1.25 downscale from 1680x1050, quality balance = 10

What is causing the blurry text?

hat downscaling are you using? bicubis is supposed to be sharpest where lanczos is supposed to be smoother but try both and see what you get.

EDIT: crf 25 is lower quality than crf 20, try 16

 

[Boildown]

EDIT: crf 25 is lower quality than crf 20, try 16

Lol, I just asked him to use a higher CRF because he was having a playback issue.

OP, is your problem with choppy playback still occuring with a CRF of 25? You said it was blurry, but that's ok, it was just a test. Your original post complained of poor video playback. Is that still the case?

Also, a new log file with 5 minutes of high action content would be useful.

 

[dping]

Lol, I just asked him to use a higher CRF because he was having a playback issue.

OP, is your problem with choppy playback still occuring with a CRF of 25? You said it was blurry, but that's ok, it was just a test. Your original post complained of poor video playback. Is that still the case?

Also, a new log file with 5 minutes of high action content would be useful.

My bad!

 

[pcangeldust]

Lol, I just asked him to use a higher CRF because he was having a playback issue.

OP, is your problem with choppy playback still occuring with a CRF of 25? You said it was blurry, but that's ok, it was just a test. Your original post complained of poor video playback. Is that still the case?

Also, a new log file with 5 minutes of high action content would be useful.

ok I tried crf=25,23,5,10 (first 25,10,5 are desktop)

Desktop video is fine
Game play is ok when screen is not moving, when there is action video is choppy.

What is the issue, look at my log file: http://pastebin.com/K9fTwjLf
Also the log file says I got 4GB ram when I actually have 8GB :/

 

[Boildown]

What happens when you get rid of the web cam?

All your statistics look pretty good except for one, where you had 40% duplicated frames. Which is just weird. What was different in that recording?

When all else fails, go up another preset, to Ultra Fast.

Why can't you use Game Capture? Its the fastest capture method of them all.

 

[pcangeldust]

What happens when you get rid of the web cam?

All your statistics look pretty good except for one, where you had 40% duplicated frames. Which is just weird. What was different in that recording?

When all else fails, go up another preset, to Ultra Fast.

Why can't you use Game Capture? Its the fastest capture method of them all.

Web cam is only used for mic, not picture.

I already use game capture, experimented with monitor capture once that's it.

The duplicates frames is probably from game capture when I closed the game, the screen is just black.

Setting OBS cpu priority to high allows me to record with almost no frame skipping but my game is too laggy then..

Does increasing Crf affect performance much? What about Quality balance?

 

[Boildown]

You might try setting OBS's priority to lower than normal instead of higher. You need to balance it to where your game doesn't lag while leaving it just enough priority to encode properly.

Does increasing Crf affect performance much? What about Quality balance?

They're essentially the same thing just using different numbers. I forget the formula, but as Quality balance goes higher the CRF number it calculates goes lower.

 

[pcangeldust]

This is just too funny, I opened up a Youtube video of csgo gameplay and recorded it using monitor capture and even that skips frames, just like in-game.

Changing priority to high fixes the frame skipping though :\