[FFmpeg-trac] #5568(swscale:open): POWER8 VSX vectorization libswscale/swscale.c
FFmpeg
trac at avcodec.org
Fri Jun 22 15:24:58 EEST 2018
#5568: POWER8 VSX vectorization libswscale/swscale.c
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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 |
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Comment (by cehoyos):
Replying to [comment:19 bookmoons]:
> Then building with --enable-linux-perf. It fails with:
>
> >error: implicit declaration of function 'syscall'
This is a particular difficult feature to use;-)
You have to add `#include "libavutil/timer.h"` (or `#define _GNU_SOURCE`)
on top of the file where you use the TIMER macro, this was mentioned in
the original commit message: f61379cbd45a91b26c7a1ddd3f16417466c435cd
(Took me some time to understand.)
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Ticket URL: <https://trac.ffmpeg.org/ticket/5568#comment:27>
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