mozilla: call libvlc_playlist_items_count() with playlist lock held.

diff --git a/projects/mozilla/control/npolibvlc.cpp b/projects/mozilla/control/npolibvlc.cpp
index 516bb8b82cdd040aaa2377bb9c6f345236c0d36c..2b43d6760da7074701b0c58b17a2edaeeb68bd21 100644 (file)
--- a/projects/mozilla/control/npolibvlc.cpp
+++ b/projects/mozilla/control/npolibvlc.cpp
@@ -1207,7 +1207,9 @@ RuntimeNPObject::InvokeResult LibvlcPlaylistItemsNPObject::getProperty(int index
         {
             case ID_playlistitems_count:
             {
+                libvlc_playlist_lock(p_plugin->getVLC());
                 int val = libvlc_playlist_items_count(p_plugin->getVLC(), &ex);
+                libvlc_playlist_unlock(p_plugin->getVLC());
                 if( libvlc_exception_raised(&ex) )
                 {
                     NPN_SetException(this, libvlc_exception_get_message(&ex));
@@ -1332,7 +1334,9 @@ RuntimeNPObject::InvokeResult LibvlcPlaylistNPObject::getProperty(int index, NPV
         {
             case ID_playlist_itemcount: /* deprecated */
             {
+                libvlc_playlist_lock(p_plugin->getVLC());
                 int val = libvlc_playlist_items_count(p_plugin->getVLC(), &ex);
+                libvlc_playlist_unlock(p_plugin->getVLC());
                 if( libvlc_exception_raised(&ex) )
                 {
                     NPN_SetException(this, libvlc_exception_get_message(&ex));