macosx: add support for the Video Title option (close #3557)

NEWS

@@ -163,6 +163,7 @@ OS X Interface:
  * add a UI to the preferences dialog to configure the default application
    handler for ftp, mms, rtmp, rtp, rtsp, sftp, smb and udp streams
    (system-wide settings)
+ * add support for the Video Title option
  * The Streaming/Transcoding wizard and the open dialog's output panel are
    deprecated now and will be removed in a future release.
 

modules/gui/macosx/MainWindow.m

@@ -623,11 +623,15 @@ static VLCMainWindow *_o_sharedInstance = nil;
     p_input = pl_CurrentInput(VLCIntf);
     if (p_input) {
         NSString *aString;
+
+        if (!config_GetPsz(VLCIntf, "video-title")) {
             char *format = var_InheritString(VLCIntf, "input-title-format");
             char *formated = str_format_meta(pl_Get(VLCIntf), format);
             free(format);
             aString = [NSString stringWithUTF8String:formated];
             free(formated);
+        } else
+            aString = [NSString stringWithUTF8String:config_GetPsz(VLCIntf, "video-title")];
 
         char *uri = input_item_GetURI(input_GetItem(p_input));