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

FFmpeg trac at avcodec.org
Fri Jun 22 14:51:07 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 cehoyos):

 Replying to [comment:21 bookmoons]:

 > What I've done is wrap the callsites as shown above.

 That is correct.

 > There are 4 of them, all through function pointers.

 I only found two instances, assuming alpha scaling is less important (and
 done the same way) only the first call in libswscale/hscale.c is relevant
 for a speed measurement.
 How does the command line look that you used for testing?

Ticket URL: <https://trac.ffmpeg.org/ticket/5568#comment:26>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker

More information about the FFmpeg-trac mailing list