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avcodec/pgssubdec: Fix left shift of 255 by 24 places cannot be represented in type int

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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 4f2419888b)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-12-04 21:38:12 +01:00
parent af44545613
commit e5a4044771
1 changed files with 1 additions and 1 deletions
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libavcodec/pgssubdec.c
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@ -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