avcodec/mmvideo: Fix undefined behavior (left shift of negative value)

Fixes: asan_heap-oob_4da4f3_8_asan_heap-oob_4da4f3_419_scene1a.mm

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-10-08 04:12:26 +02:00
parent 1acc9189b4
commit 9db9b209e3

View File

@ -49,7 +49,7 @@
typedef struct MmContext {
AVCodecContext *avctx;
AVFrame *frame;
int palette[AVPALETTE_COUNT];
unsigned int palette[AVPALETTE_COUNT];
GetByteContext gb;
} MmContext;