Convert some undefined 1<<31 shifts into 1U<<31.

[ffmpeg] / libavcodec / fraps.c

diff --git a/libavcodec/fraps.c b/libavcodec/fraps.c
index 346f03439d310c99b84b5affa777b297963c2450..a142484a5101aa162cbec5fa5cb462eec6976762 100644 (file)
--- a/libavcodec/fraps.c
+++ b/libavcodec/fraps.c
@@ -180,7 +180,7 @@ static int decode_frame(AVCodecContext *avctx,
             return -1;
         }
         /* bit 31 means same as previous pic */
-        f->pict_type = (header & (1<<31))? FF_P_TYPE : FF_I_TYPE;
+        f->pict_type = (header & (1U<<31))? FF_P_TYPE : FF_I_TYPE;
         f->key_frame = f->pict_type == FF_I_TYPE;
 
         if (f->pict_type == FF_I_TYPE) {
@@ -223,7 +223,7 @@ static int decode_frame(AVCodecContext *avctx,
             return -1;
         }
         /* bit 31 means same as previous pic */
-        f->pict_type = (header & (1<<31))? FF_P_TYPE : FF_I_TYPE;
+        f->pict_type = (header & (1U<<31))? FF_P_TYPE : FF_I_TYPE;
         f->key_frame = f->pict_type == FF_I_TYPE;
 
         if (f->pict_type == FF_I_TYPE) {