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authorMichael Niedermayer <michael@niedermayer.cc>2015-12-04 21:38:12 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2015-12-06 02:08:26 +0100
commite4f90cbd0dd0b222fa71d7d75de14f901c0b794c (patch)
tree56daac3b041f0f3e7ec34e7efbb302a2c6e8bc95
parent5b41c961469a17efe2c2035935f45db74bc4a161 (diff)
downloadffmpeg-e4f90cbd0dd0b222fa71d7d75de14f901c0b794c.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 36f1f8265a..3c39e7ac63 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