X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswftools.c;h=6baecd105477ed01f1b4bf1192854fc2dfc2dc61;hb=3d73649bf0e39778e715a07da902d0a858065a43;hp=1dc66d89fd6e7dca20a76ca669c1f3414be0a76d;hpb=faa7df4336cea6ae258ac4f83ae09e0227ca844d;p=swftools.git

diff --git a/lib/modules/swftools.c b/lib/modules/swftools.c
index 1dc66d8..6baecd1 100644
--- a/lib/modules/swftools.c
+++ b/lib/modules/swftools.c
@@ -584,10 +584,13 @@ void enumerateUsedIDs(TAG * tag, int base, void (*callback)(TAG*, int, void*), v
 	case ST_DEFINEBUTTONSOUND: {
 	    int t;
 	    callback(tag, tag->pos + base, callback_data);
+	    swf_GetU16(tag); //button id
 	    for(t=0;t<4;t++) {
 		int flags;
 		callback(tag, tag->pos + base, callback_data);
-		swf_GetU16(tag); //sound id
+		U16 sound_id = swf_GetU16(tag); //sound id
+		if(!sound_id)
+		    continue;
 		flags = swf_GetU8(tag);
 		if(flags&1)
 		    swf_GetU32(tag); // in point