[FFmpeg-cvslog] swscale/x86/rgb2rgb_template: fix crash with tiny size and nv12 output

[Michael Niedermayer]

ffmpeg | branch: release/2.4 | Michael Niedermayer <michaelni at gmx.at> | Wed Dec  3 20:21:56 2014 +0100| [f36b3c5df97da465757563b7e14c90a9f9e7537e] | committer: Michael Niedermayer

swscale/x86/rgb2rgb_template: fix crash with tiny size and nv12 output

Fixes Ticket4151

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit 8524558858b7e14bc50afa10233e0194f591ab9d)

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f36b3c5df97da465757563b7e14c90a9f9e7537e
---

 libswscale/x86/rgb2rgb_template.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/libswscale/x86/rgb2rgb_template.c b/libswscale/x86/rgb2rgb_template.c
index 7796d38..e71c7eb 100644
--- a/libswscale/x86/rgb2rgb_template.c
+++ b/libswscale/x86/rgb2rgb_template.c
@@ -1887,6 +1887,7 @@ static void RENAME(interleaveBytes)(const uint8_t *src1, const uint8_t *src2, ui
     for (h=0; h < height; h++) {
         int w;
 
+        if (width >= 16)
 #if COMPILE_TEMPLATE_SSE2
         __asm__(
             "xor              %%"REG_a", %%"REG_a"  \n\t"