[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-
 layers=1:bframes=4:rc-lookahead=15:b-pyramid=1:subme=1:max-merge=2:min-
 keyint=24:keyint=240:ref=2:limit-refs=3:strong-intra-smoothing=0:rect=0
 :aq-mode=1:rd=4:psy-rd=0.75:psy-rdoq=4.0:rdoq-
 level=1:rskip=2:colorprim=bt709:transfer=bt709:colormatrix=bt709:chromaloc=0
 :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
 no-temporal-layers.

 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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