[FFmpeg-trac] #2394(swscale:open): BGRA downscaling shifts colors

FFmpeg trac at avcodec.org
Fri Mar 22 14:39:47 CET 2013

#2394: BGRA downscaling shifts colors
             Reporter:  Cigaes      |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  swscale
              Version:  git-master  |               Resolution:
             Keywords:  bgra        |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |

Comment (by michael):

 Replying to [comment:2 cehoyos]:
 > Reproducible with --disable-mmxext, not reproducible with --disable-mmx
 (-cpuflags -mmx crashes here).

 -cpuflags -mmx
 removes mmx but not later flags like mmx2 / sse, this combination doesnt
 exist in actual hardware CPUs and is thus poorly supported. If someone
 wants to fix all such crashes i dont mind but it has little practical use

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2394#comment:3>
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