logo: only fire when user has grabbed the object.

modules/video_filter/logo.c

@@ -153,6 +153,7 @@ typedef struct
 struct filter_sys_t
 {
     filter_t *p_blend;
+    vout_thread_t *p_vout;
 
     vlc_mutex_t lock;
 
@@ -250,6 +251,8 @@ static int OpenCommon( vlc_object_t *p_this, bool b_sub )
         }
     }
 
+    p_sys->p_vout = vlc_object_find( p_filter, VLC_OBJECT_VOUT, FIND_ANYWHERE );
+
     /* */
     config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
                        p_filter->p_cfg );
@@ -317,6 +320,9 @@ static void Close( vlc_object_t *p_this )
         var_DelCallback( p_filter, ppsz_filter_callbacks[i],
                          LogoCallback, p_sys );
 
+    if( p_sys->p_vout )
+        vlc_object_release( p_sys->p_vout );
+
     if( p_sys->p_blend )
         filter_DeleteBlend( p_sys->p_blend );
 
@@ -536,15 +542,10 @@ static int Mouse( filter_t *p_filter, vlc_mouse_t *p_mouse,
 
         }
 
-        /* mouse-object: area of interest */
-        if( b_over )
+        if( p_sys->p_vout && p_sys->b_mouse_grab )
         {
-            vout_thread_t *p_vout = vlc_object_find( p_filter, VLC_OBJECT_VOUT, FIND_ANYWHERE );
-            if( p_vout )
-            {
-                var_SetBool( p_vout, "mouse-object", p_sys->b_mouse_grab );
-                vlc_object_release( p_vout );
-            }
+            /* mouse-object: area of interest */
+            var_SetBool( p_sys->p_vout, "mouse-object", true );
         }
 
         if( p_sys->b_mouse_grab || b_over )