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authorMichael Niedermayer <michael@niedermayer.cc>2015-12-04 21:38:12 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2015-12-14 16:51:01 +0100
commit0a06e2824a675fb778cd98ccab35a8936db569b9 (patch)
tree8ee60415d60f2c2d546defa4921e8dad1972132c
parentdc0bc71471bff6dedd371d97c0b1a45d0ea59042 (diff)
downloadffmpeg-0a06e2824a675fb778cd98ccab35a8936db569b9.tar.gz
avcodec/pgssubdec: Fix left shift of 255 by 24 places cannot be represented in type int
Fixes: b293a6479bb4b5286cff24d356bfd955/asan_generic_225c3c9_7819_cc526b657450c6cdef1371b526499626.mkv Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 4f2419888ba49245761f4ab343679c38e7880cfe) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/pgssubdec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/pgssubdec.c b/libavcodec/pgssubdec.c
index 0d307f5302..e567f53ab4 100644
--- a/libavcodec/pgssubdec.c
+++ b/libavcodec/pgssubdec.c
@@ -33,7 +33,7 @@
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
-#define RGBA(r,g,b,a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
+#define RGBA(r,g,b,a) (((unsigned)(a) << 24) | ((r) << 16) | ((g) << 8) | (b))
#define MAX_EPOCH_PALETTES 8 // Max 8 allowed per PGS epoch
#define MAX_EPOCH_OBJECTS 64 // Max 64 allowed per PGS epoch
#define MAX_OBJECT_REFS 2 // Max objects per display set