[FFmpeg-trac] #9942(avcodec:new): Non-asm code produces artifacts when encoding XDCAM

[FFmpeg]

#9942: Non-asm code produces artifacts when encoding XDCAM
-------------------------------------+-------------------------------------
             Reporter:  Konstantin   |                     Type:  defect
  Melikhov                           |
               Status:  new          |                 Priority:  normal
            Component:  avcodec      |                  Version:
                                     |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Summary of the bug:

 When build with "--disable-asm" mpeg2 encoding produces artifacts for
 specific settings

 How to reproduce:
 {{{
 % ffmpeg -i input.mov -vcodec mpeg2video -r 30 -pix_fmt yuv422p
 -non_linear_quant 1 -dc 2 -intra_vlc 1 -qmin 1 -lmin "1*QP2LAMBDA" -qmax
 12 -b:v 50000000  -minrate 50000000 -maxrate 50000000 -minrate 50000000
 -bufsize 17825792 -bf 2 output.mov

 Any version

 Apple Silicon build, or Apple x86 build with --disable-asm
 }}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/9942>
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