[FFmpeg-trac] #7230(avfilter:new): gradfun errors

FFmpeg trac at avcodec.org
Sat May 26 11:52:37 EEST 2018


#7230: gradfun errors
------------------------------------+------------------------------------
             Reporter:  shekh       |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:  gradfun     |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+------------------------------------

Comment (by shekh):

 Idea for asm defect.

 {{{
 index 3581f89fe8..a13b5c3442 100644
 --- a/libavfilter/x86/vf_gradfun.asm
 +++ b/libavfilter/x86/vf_gradfun.asm
 @@ -39,9 +39,9 @@ SECTION .text
      psubw      m2, m6
      pminsw     m2, m7
      pmullw     m2, m2
 -    psllw      m1, 2
      paddw      m0, %1
      pmulhw     m1, m2
 +    psllw      m1, 2
      paddw      m0, m1
      psraw      m0, 7
      packuswb   m0, m0
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/7230#comment:3>
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