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Old 24th May 2020, 17:51   #1  |  Link
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Join Date: Nov 2004
Location: Poland
Posts: 2,574
x265 buffer underflows

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.

Last edited by kolak; 24th May 2020 at 18:26.
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