[FFmpeg-trac] #7124(swscale:closed): Unexpected results from YUV-RGB color space conversion optimization on POWER8/LE

FFmpeg trac at avcodec.org
Thu Apr 5 13:52:46 EEST 2018


#7124: Unexpected results from YUV-RGB color space conversion optimization on
POWER8/LE
-------------------------------------+-------------------------------------
             Reporter:  seiko        |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:  swscale
              Version:  unspecified  |               Resolution:
             Keywords:  ppc          |  worksforme
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * keywords:  Altivec, VSX, ppc64le => ppc
 * priority:  important => normal
 * status:  new => closed
 * resolution:   => worksforme


Comment:

 This unfortunately has no similarities with a valid ticket.

 In any case, altivec optimizations for yuv->rgb work here on Power8/LE
 64bit and show a significant speed-up.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7124#comment:2>
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