[FFmpeg-cvslog] swscale/swscale: Disable x86-specific code for other arches
Andreas Rheinhardt
git at videolan.org
Mon Sep 20 01:06:10 EEST 2021
ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Sat Sep 18 05:33:25 2021 +0200| [044a7c08dc7ef565786fdc87a35298033bb0ef02] | committer: Andreas Rheinhardt
swscale/swscale: Disable x86-specific code for other arches
SSE2 is x86 specific, yet due to the call to av_get_cpu_flags()
compilers were unable to optimize the checks (and the call) away
on other arches.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=044a7c08dc7ef565786fdc87a35298033bb0ef02
---
libswscale/swscale.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 040172752f..c7069ae7b2 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -321,6 +321,7 @@ static int swscale(SwsContext *c, const uint8_t *src[],
}
}
+#if ARCH_X86
if ( (uintptr_t)dst[0]&15 || (uintptr_t)dst[1]&15 || (uintptr_t)dst[2]&15
|| (uintptr_t)src[0]&15 || (uintptr_t)src[1]&15 || (uintptr_t)src[2]&15
|| dstStride[0]&15 || dstStride[1]&15 || dstStride[2]&15 || dstStride[3]&15
@@ -333,6 +334,7 @@ static int swscale(SwsContext *c, const uint8_t *src[],
av_log(c, AV_LOG_WARNING, "Warning: data is not aligned! This can lead to a speed loss\n");
}
}
+#endif
if (scale_dst) {
dstY = dstSliceY;
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