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

FFmpeg trac at avcodec.org
Wed Jul 3 14:58:03 EEST 2019


#7124: Unexpected results from YUV-RGB color space conversion optimization on
POWER8/LE
-------------------------------------+------------------------------------
             Reporter:  seiko        |                    Owner:
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:  swscale
              Version:  git-master   |               Resolution:
             Keywords:  ppc altivec  |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+------------------------------------
Changes (by ChipKerchner):

 * Attachment "ffmpeg_altivec_yuv2rgb.patch" added.

 Fixes compiler bug - replace vec_lvsl/vec_perm instructions with vec_xl

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