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avcodec/wnv1: Fix runtime error: left shift of negative value -1
[ffmpeg.git]
/
libavcodec
/
wnv1.c
diff --git
a/libavcodec/wnv1.c
b/libavcodec/wnv1.c
index
9ff99b2
..
126c01a
100644
(file)
--- a/
libavcodec/wnv1.c
+++ b/
libavcodec/wnv1.c
@@
-52,7
+52,7
@@
static inline int wnv1_get_code(WNV1Context *w, int base_value)
if (v == 15)
return ff_reverse[get_bits(&w->gb, 8 - w->shift)];
else
- return base_value + ((v - 7) << w->shift);
+ return base_value + ((v - 7
U
) << w->shift);
}
static int decode_frame(AVCodecContext *avctx,