View Single Post
Old 24th May 2020, 18:51   #2  |  Link
poisondeathray
Registered User
 
Join Date: Sep 2007
Posts: 5,345
Quote:
Originally Posted by kolak View Post
Getting buffer underflow errors when encoding CBR with x265 using strict-cbr. Is it a known issue?
Another issue could be fact that I'm forcing I frames with ffmpeg's -force_key_frames "expr:eq(mod(n,50),0)" This may be messing with rate control.
Is there any other way of getting fixed 2 seconds IDR frame distance (and still letting encoder to use I frames inside those 2 seconds)? Using latest ffmpeg.
Did you try -g 50 ?

Or -x265-params keyint=50
poisondeathray is offline   Reply With Quote