[FFmpeg-cvslog] avcodec/x86/mpegvideoenc_template: fix integer overflow

[Michael Niedermayer]

ffmpeg | branch: release/1.2 | Michael Niedermayer <michaelni at gmx.at> | Tue Mar 25 00:15:52 2014 +0100| [92ca3578bf405ed4c0e742c653e016258648fda9] | 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=92ca3578bf405ed4c0e742c653e016258648fda9
---

 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)