fixed segfault in swfrender

diff --git a/lib/readers/swf.c b/lib/readers/swf.c
index 58e027c..598177e 100644 (file)
--- a/lib/readers/swf.c
+++ b/lib/readers/swf.c
@@ -565,7 +565,7 @@ static void placeObject(void*self, int id, void*data)
 
         sprite_t* s = (sprite_t*)c->data;
 
-        map16_t* depths = extractFrame(c->tag->next, p->age % s->frameCount);
+        map16_t* depths = extractFrame(c->tag->next, s->frameCount>0? p->age % s->frameCount : 0);
         map16_enumerate(depths, placeObject, r);
        
         int t;