[FFmpeg-trac] #3451(swscale:new): sws_scale crashes in high resolutions when using mmx optimization

FFmpeg trac at avcodec.org
Wed Sep 10 22:49:34 CEST 2014


#3451: sws_scale crashes in high resolutions when using mmx optimization
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             Reporter:  miro82       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  swscale
              Version:  unspecified  |               Resolution:
             Keywords:  crash osx    |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Changes (by gjdfgh):

 * cc: nfxjfg@… (added)


Comment:

 > OpenGL is storing the pixel information vertically flipped compared to
 FFmpeg so I'm flipping the frame in sws_scale.

 Uh, what? You can flip it on OpenGL with no additional effort. Just play
 with the texture coordinates.

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Ticket URL: <https://trac.ffmpeg.org/ticket/3451#comment:7>
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