[FFmpeg-trac] #10250(ffmpeg:new): libx265 -x265-params no-temporal-layers value not recognized

FFmpeg trac at avcodec.org
Sat Mar 11 03:41:11 EET 2023

#10250: libx265 -x265-params no-temporal-layers value not recognized
             Reporter:  AY Columbia  |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  ffmpeg       |                  Version:  6.0
             Keywords:  ffmpeg       |               Blocked By:
  libx265 x265 hevc                  |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 **Summary of the bug:** passing the "non-value" x265 param no-temporal-
 layers as "no-temporal-layers=1" is not recognized as valid per following
 message displayed when encoding is started.  I tried setting to 0 as well
 with the same result.
 [libx265 @ 0000020bdd835240] Invalid value for no-temporal-layers: 1.
 **How to reproduce:**
 I use an h264 1080p source in an MKV.
 % "C:\ProgramData\chocolatey\lib\ffmpeg-full\tools\ffmpeg\bin\ffmpeg.exe"
 -loglevel info -an -y -hide_banner -i "clip.mkv" -crf 30.0 -preset
 veryfast -pix_fmt yuv420p10le -profile:v main10 -x265-params "no-temporal-
 :no-sbrc=1:max-luma=1023" "clip.hevc"

 ffmpeg version 6.0-full_build-www.gyan.dev Copyright (c) 2000-2023 the
 FFmpeg developers
 built with gcc 12.2.0 (Rev10, Built by MSYS2 project)

 Note that I checked with MediaInfo and the ''Encoding settings'' did list
 "temporal-layers=0" but not sure if that's essentially the same as using

 Please let me know if you need anything else or if I'm not doing something
 correctly in the command.  Thank you.
Ticket URL: <https://trac.ffmpeg.org/ticket/10250>
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