[FFmpeg-cvslog] dpxenc: fix signed c99 overflows

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Oct 14 05:48:02 2012 +0200| [2217a2249dd78c3719f865569b661b8adcda4962] | committer: Michael Niedermayer

dpxenc: fix signed c99 overflows

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2217a2249dd78c3719f865569b661b8adcda4962
---

 libavcodec/dpxenc.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/libavcodec/dpxenc.c b/libavcodec/dpxenc.c
index 9b2cc6f..bd44b16 100644
--- a/libavcodec/dpxenc.c
+++ b/libavcodec/dpxenc.c
@@ -105,13 +105,13 @@ static void encode_rgb48_10bit(AVCodecContext *avctx, const AVPicture *pic, uint
         for (x = 0; x < avctx->width; x++) {
             int value;
             if (s->big_endian) {
-                value = ((AV_RB16(src + 6*x + 4) & 0xFFC0) >> 4)
-                      | ((AV_RB16(src + 6*x + 2) & 0xFFC0) << 6)
-                      | ((AV_RB16(src + 6*x + 0) & 0xFFC0) << 16);
+                value = ((AV_RB16(src + 6*x + 4) & 0xFFC0U) >> 4)
+                      | ((AV_RB16(src + 6*x + 2) & 0xFFC0U) << 6)
+                      | ((AV_RB16(src + 6*x + 0) & 0xFFC0U) << 16);
             } else {
-                value = ((AV_RL16(src + 6*x + 4) & 0xFFC0) >> 4)
-                      | ((AV_RL16(src + 6*x + 2) & 0xFFC0) << 6)
-                      | ((AV_RL16(src + 6*x + 0) & 0xFFC0) << 16);
+                value = ((AV_RL16(src + 6*x + 4) & 0xFFC0U) >> 4)
+                      | ((AV_RL16(src + 6*x + 2) & 0xFFC0U) << 6)
+                      | ((AV_RL16(src + 6*x + 0) & 0xFFC0U) << 16);
             }
             write32(dst, value);
             dst += 4;