Fix Player constructor on GStreamer 1.12 if a video renderer or signal dispatcher are given

gstreamer-player/src/player.rs

@@ -19,17 +19,16 @@ impl Player {
         signal_dispatcher: Option<&PlayerSignalDispatcher>,
     ) -> Player {
         assert_initialized_main_thread!();
+        let video_renderer = video_renderer.to_glib_full();
+        let signal_dispatcher = signal_dispatcher.to_glib_full();
+
         let (major, minor, _, _) = gst::version();
         if (major, minor) > (1, 12) {
-            let video_renderer = video_renderer.to_glib_full();
-            let signal_dispatcher = signal_dispatcher.to_glib_full();
             unsafe { from_glib_full(ffi::gst_player_new(video_renderer, signal_dispatcher)) }
         } else {
             // Workaround for bad floating reference handling in 1.12. This issue was fixed for 1.13 in
             // https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/gst-libs/gst/player/gstplayer.c?id=634cd87c76f58b5e1383715bafd5614db825c7d1
-            let video_renderer = video_renderer.to_glib_none();
-            let signal_dispatcher = signal_dispatcher.to_glib_none();
-            unsafe { from_glib_none(ffi::gst_player_new(video_renderer.0, signal_dispatcher.0)) }
+            unsafe { from_glib_none(ffi::gst_player_new(video_renderer, signal_dispatcher)) }
         }
     }