[FFmpeg-trac] #10646(avcodec:new): Invalid stream for FFV1 10-bit 2-pass encoding

FFmpeg trac at avcodec.org
Wed Nov 8 00:02:55 EET 2023


#10646: Invalid stream for FFV1 10-bit 2-pass encoding
-------------------------------------+-------------------------------------
             Reporter:  Timofey      |                     Type:  defect
  Vasenin                            |
               Status:  new          |                 Priority:  important
            Component:  avcodec      |                  Version:  git-
                                     |  master
             Keywords:  ffv1         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Reproduces with any input video:

 {{{
 ffmpeg -i "foreman_cif.y4m" -pix_fmt yuv422p10le -c:v ffv1 -pass 1
 -passlogfile "foreman_cif.passlog" "foreman_cif.pass1.avi"
 ffmpeg -i "foreman_cif.y4m" -pix_fmt yuv422p10le -c:v ffv1 -pass 2
 -passlogfile "foreman_cif.passlog" "foreman_cif.pass2.avi"
 }}}

 No warning/error messages during encoding, but:

 foreman_cif.pass1.avi -- OK
 foreman_cif.pass2.avi -- garbage


 Reproduces on windows and linux on 6.0 and nightly (and on all previous
 builds I tried).
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10646>
FFmpeg <https://ffmpeg.org>
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