[FFmpeg-trac] #8401(avcodec:new): vc2 encoding is broken for non-multiple of 64 width videos

[FFmpeg]

#8401: vc2 encoding is broken for non-multiple of 64 width videos
---------------------------------+---------------------------------------
             Reporter:  tmatth   |                     Type:  defect
               Status:  new      |                 Priority:  normal
            Component:  avcodec  |                  Version:  unspecified
             Keywords:  vc2      |               Blocked By:
             Blocking:           |  Reproduced by developer:  0
Analyzed by developer:  0        |
---------------------------------+---------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 % ./ffmpeg -y -f lavfi -i testsrc2=duration=5:size=qcif -c:v vc2 borked-
 vc2.avi
 ffmpeg version N-95880-gd07d1c1dd0-tessus (git master)
 built on Mon Nov 25 22:33:07 EST 2019
 }}}

 produces a broken sample.

 Compared to:
 {{{
 % ./ffmpeg -y -f lavfi -i testsrc2=duration=5:size=cif -c:v vc2 working-
 vc2.avi
 }}}

 which looks fine.

 It seems like VC2 encoding (for 4:2:0 at least) is only working for inputs
 whose width is a multiple of 64.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8401>
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