[FFmpeg-cvslog] avcodec/x86/mpegvideoenc_template: fix integer overflow
Michael Niedermayer
git at videolan.org
Mon Jun 23 17:55:48 CEST 2014
ffmpeg | branch: release/2.1 | Michael Niedermayer <michaelni at gmx.at> | Tue Mar 25 00:15:52 2014 +0100| [380587cc34c2a94bab8350c52c93ca9d171ab0fe] | committer: Michael Niedermayer
avcodec/x86/mpegvideoenc_template: fix integer overflow
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=380587cc34c2a94bab8350c52c93ca9d171ab0fe
---
libavcodec/x86/mpegvideoenc_template.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/x86/mpegvideoenc_template.c b/libavcodec/x86/mpegvideoenc_template.c
index 1e0505e..b0ba234 100644
--- a/libavcodec/x86/mpegvideoenc_template.c
+++ b/libavcodec/x86/mpegvideoenc_template.c
@@ -216,7 +216,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
"psubusw "MM"1, "MM"4 \n\t"
"packuswb "MM"4, "MM"4 \n\t"
#if COMPILE_TEMPLATE_SSE2
- "packuswb "MM"4, "MM"4 \n\t"
+ "packsswb "MM"4, "MM"4 \n\t"
#endif
"movd "MM"4, %0 \n\t" // *overflow
: "=g" (*overflow)
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