[FFmpeg-cvslog] sws: avoid signed C99 overflows

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Oct 14 03:59:45 2012 +0200| [3ee8eefbf2623e1e337df7d962412b0703336431] | committer: Michael Niedermayer

sws: avoid signed C99 overflows

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3ee8eefbf2623e1e337df7d962412b0703336431
---

 libswscale/swscale.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index f7dc728..8b67554 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -848,33 +848,33 @@ int attribute_align_arg sws_scale(struct SwsContext *c,
             y = av_clip_uint8((RY * r + GY * g + BY * b + ( 33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
             u = av_clip_uint8((RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
             v = av_clip_uint8((RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
-            c->pal_yuv[i]= y + (u<<8) + (v<<16) + (a<<24);
+            c->pal_yuv[i]= y + (u<<8) + (v<<16) + (a<<24U);
 
             switch (c->dstFormat) {
             case AV_PIX_FMT_BGR32:
 #if !HAVE_BIGENDIAN
             case AV_PIX_FMT_RGB24:
 #endif
-                c->pal_rgb[i]=  r + (g<<8) + (b<<16) + (a<<24);
+                c->pal_rgb[i]=  r + (g<<8) + (b<<16) + (a<<24U);
                 break;
             case AV_PIX_FMT_BGR32_1:
 #if HAVE_BIGENDIAN
             case AV_PIX_FMT_BGR24:
 #endif
-                c->pal_rgb[i]= a + (r<<8) + (g<<16) + (b<<24);
+                c->pal_rgb[i]= a + (r<<8) + (g<<16) + (b<<24U);
                 break;
             case AV_PIX_FMT_RGB32_1:
 #if HAVE_BIGENDIAN
             case AV_PIX_FMT_RGB24:
 #endif
-                c->pal_rgb[i]= a + (b<<8) + (g<<16) + (r<<24);
+                c->pal_rgb[i]= a + (b<<8) + (g<<16) + (r<<24U);
                 break;
             case AV_PIX_FMT_RGB32:
 #if !HAVE_BIGENDIAN
             case AV_PIX_FMT_BGR24:
 #endif
             default:
-                c->pal_rgb[i]=  b + (g<<8) + (r<<16) + (a<<24);
+                c->pal_rgb[i]=  b + (g<<8) + (r<<16) + (a<<24U);
             }
         }
     }