[FFmpeg-trac] #2569(undetermined:new): mszh: crash with yuv421

[FFmpeg]

#2569: mszh: crash with yuv421
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             Reporter:  ami_stuff    |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  mszh         |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by cehoyos):

 Replying to [comment:4 ami_stuff]:
 > Please try to reproduce with
 > ffmpeg -cpuflags -mmx -i yuv421.avi out.avi

 It does crash with {{{-cpuflags -mmx}}} here (too) but my CPU is not MMX-
 only, it has other features that are not automatically disabled by
 {{{-cpuflags -mmx}}}, the following command line works fine here (and
 there is no hardware that supports SSE2, SSSE3 or SSE4.1 but not MMX):
 {{{$ ffmpeg -cpuflags -mmx-sse2-ssse3-sse4.1 -i yuv421.avi out.avi}}}

 > (32bit build)

 Same behaviour with 32bit and 64bit here.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2569#comment:5>
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