[FFmpeg-trac] #11365(ffmpeg:new): wrong qmin range for av1_nvenc

FFmpeg trac at avcodec.org
Sun Dec 22 21:41:43 EET 2024


#11365: wrong qmin range for av1_nvenc
-------------------------------------+-------------------------------------
             Reporter:  y1dj1sqd     |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  ffmpeg       |                  Version:  git-
             Keywords:  NVENC        |  master
  av1_nvenc qmin                     |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 % ffmpeg -i input.mkv -an -c:v av1_nvenc -b:v 4M -qmin 80 output.mkv

 ffmpeg version N-118106-g350ebef112-20241222 Copyright (c) 2000-2024 the
 FFmpeg developers

 built on 2024-12-22
 }}}

 It does print the following error:
 {{{
 Value 80.000000 for parameter 'qmin' out of range [-1 - 69]
 Error setting option qmin to value 80.
 }}}

 It thinks that the QP range would end at 69 but av1_nvenc qp range max is
 255.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11365>
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