[FFmpeg-trac] #5568(swscale:open): POWER8 VSX vectorization libswscale/swscale.c

FFmpeg trac at avcodec.org
Fri Jun 22 15:42:44 EEST 2018

#5568: POWER8 VSX vectorization libswscale/swscale.c
             Reporter:  edelsohn     |                    Owner:
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:  swscale
              Version:  git-master   |               Resolution:
             Keywords:  bounty vsx   |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |

Comment (by bookmoons):

 > How does the command line look that you used for testing?

 I used the scaling example in the wiki, with the image given there:

 ffmpeg -i input.jpg -vf scale=320:240 output.png

 A call trace showed that this hits the hScale8To15_c function (with
 -cpuflags 0). So I chose that one to start.

Ticket URL: <https://trac.ffmpeg.org/ticket/5568#comment:28>
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