macosx: make sure the interface doesn't leak any inputs. fixes crashes on quit...

macosx: make sure the interface doesn't leak any inputs. fixes crashes on quit after adding a file to the playlist
(cherry picked from commit cf8441a23c17e1f17feedfd8681f0d846cb7d19b)

modules/gui/macosx/CoreInteraction.m

@@ -233,13 +233,22 @@ static VLCCoreInteraction *_o_sharedInstance = nil;
     if (!p_input) return nil;
 
     input_item_t *p_item = input_GetItem( p_input );
-    if (!p_item) return nil;
+    if (!p_item)
+    {
+        vlc_object_release( p_input );
+        return nil;
+    }
 
     char *psz_uri = input_item_GetURI( p_item );
-    if (!psz_uri) return nil;
+    if (!psz_uri)
+    {
+        vlc_object_release( p_input );
+        return nil;
+    }
 
     NSURL *o_url;
     o_url = [NSURL URLWithString:[NSString stringWithUTF8String:psz_uri]];
+    vlc_object_release( p_input );
 
     return o_url;
 }
@@ -250,10 +259,18 @@ static VLCCoreInteraction *_o_sharedInstance = nil;
     if (!p_input) return nil;
 
     input_item_t *p_item = input_GetItem( p_input );
-    if (!p_item) return nil;
+    if (!p_item)
+    {
+        vlc_object_release( p_input );
+        return nil;
+    }
 
     char *psz_uri = input_item_GetURI( p_item );
-    if (!psz_uri) return nil;
+    if (!psz_uri)
+    {
+        vlc_object_release( p_input );
+        return nil;
+    }
 
     NSString *o_name;
     char *format = var_InheritString( VLCIntf, "input-title-format" );
@@ -272,6 +289,7 @@ static VLCCoreInteraction *_o_sharedInstance = nil;
         else
             o_name = [o_url absoluteString];
     }
+    vlc_object_release( p_input );
     return o_name;
 }
 

modules/gui/macosx/MainWindow.m

@@ -1042,6 +1042,7 @@ static VLCMainWindow *_o_sharedInstance = nil;
 
         [self setTitle: aString];
         [o_fspanel setStreamTitle: aString];
+        vlc_object_release( p_input );
     }
     else
     {

modules/gui/macosx/controls.m

@@ -218,7 +218,11 @@
     if( !p_input ) return;
 
     input_item_t *p_item = input_GetItem( p_input );
-    if( !p_item ) return;
+    if( !p_item )
+    {
+        vlc_object_release( p_input );
+        return;
+    }
 
     char *path = input_item_GetURI( p_item );
     if( !path ) path = strdup( "" );
@@ -247,6 +251,7 @@
                          [[[[openPanel URLs] objectAtIndex: i] path] UTF8String] );
         }
     }
+    vlc_object_release( p_input );
 }
 
 - (void)scrollWheel:(NSEvent *)theEvent

modules/gui/macosx/intf.m

@@ -727,6 +727,13 @@ static VLCMain *_o_sharedMainInstance = nil;
     var_DelCallback(p_intf->p_libvlc, "intf-toggle-fscontrol", ShowController, self);
     var_DelCallback(p_intf->p_libvlc, "intf-show", ShowController, self);
 
+    input_thread_t * p_input = playlist_CurrentInput( p_playlist );
+    if( p_input )
+    {
+        var_DelCallback( p_input, "intf-event", InputEvent, [VLCMain sharedInstance] );
+        vlc_object_release( p_input );
+    }
+
     /* remove global observer watching for vout device changes correctly */
     [[NSNotificationCenter defaultCenter] removeObserver: self];
 
@@ -1352,8 +1359,9 @@ unsigned int CocoaKeyToVLC( unichar i_key )
             if( p_input != NULL && [self activeVideoPlayback] )
             {
                 [o_mainwindow performSelectorOnMainThread:@selector(enterFullscreen) withObject:nil waitUntilDone:NO];
-                vlc_object_release( p_input );
             }
+            if (p_input)
+                vlc_object_release( p_input );
         }
         else
         {
@@ -1372,11 +1380,13 @@ unsigned int CocoaKeyToVLC( unichar i_key )
     {
         var_AddCallback( p_input, "intf-event", InputEvent, [VLCMain sharedInstance] );
         [o_mainmenu setRateControlsEnabled: YES];
-        vlc_object_release( p_input );
     }
     else
         [o_mainmenu setRateControlsEnabled: NO];
 
+    if (p_input)
+        vlc_object_release( p_input );
+
     [o_playlist updateRowSelection];
     [o_mainwindow updateWindow];
     [self updateMainMenu];