signedness error caused broken decoding

Originally committed as revision 5277 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago · 7b98bcbd0f
parent c4e2a535b3
commit 7b98bcbd0f
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/h263.c
+++ b/libavcodec/h263.c
@ -553,7 +553,7 @@ void ff_clean_mpeg4_qscales(MpegEncContext *s){

 #endif //CONFIG_ENCODERS

-#define tab_size (sizeof(s->direct_scale_mv[0])/sizeof(int16_t))
+#define tab_size ((signed)(sizeof(s->direct_scale_mv[0])/sizeof(int16_t)))
 #define tab_bias (tab_size/2)

 static void ff_mpeg4_init_direct_mv(MpegEncContext *s){