how to record in CFR

B

brianeleven

New Member
Hi @Rhatake ,

I have tried force-cfr=1, it does not do anything.
The issue persists still in VFR.

I want CFR because I work with DavinciResolve, and whenever I render post-edit, the frame is just drifting from the audio.
I noticed this after 3 videos of editting.

Thank you.
 
Suslik V

Suslik V

Active Member
If rounding of the timestamps by modifying timescale that proposed in this thread works OK for you - you may use it (unfortunately, original "mantis" page with in depth explanation gone forever, so only this left):

How to set OBS to record in constant frame rate?

Hi, as some of you probably know working with variable frame rate in software like premiere pro can be quite annoying. Is there any way how to set OBS to record in CFR (constant frame rate) instead of VFR (variable frame rate)? I have tried to look in settings but couldn't find anything.
obsproject.com obsproject.com
otherwise:

Please post a log with your issue! Here's how...

OBS Studio creates a log file each time you run it which contains very useful diagnostic information. Without a log file, it's much harder for any support volunteers to figure out problems and your post may be ignored. To upload a log file, go to the Help menu > Log Files > Upload Last Log...
obsproject.com obsproject.com
 
B

brianeleven

New Member
Suslik V said:
If rounding of the timestamps by modifying timescale that proposed in this thread works OK for you - you may use it (unfortunately, original "mantis" page with in depth explanation gone forever, so only this left):

How to set OBS to record in constant frame rate?

Hi, as some of you probably know working with variable frame rate in software like premiere pro can be quite annoying. Is there any way how to set OBS to record in CFR (constant frame rate) instead of VFR (variable frame rate)? I have tried to look in settings but couldn't find anything.
obsproject.com obsproject.com
otherwise:

Please post a log with your issue! Here's how...

OBS Studio creates a log file each time you run it which contains very useful diagnostic information. Without a log file, it's much harder for any support volunteers to figure out problems and your post may be ignored. To upload a log file, go to the Help menu > Log Files > Upload Last Log...
obsproject.com obsproject.com
Click to expand...
Hi Suslik V,

I just found out that my recording to .mkv returns VFR, while my recording to .mp4 returns CFR.

Any idea why ?

Thank you
 
Suslik V

Suslik V

Active Member
Please, specify the method used to distinguish VFR from CFR. Because, in my tests the frame duration deviation is about 0.001 sec per sample (only few samples affected, not whole footage) and this difference is negligible.
 
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