ENH: [STUDIO-2070] MediaCtrl on macOS: stop on player notify

Change-Id: I9b11a99e8b3f043ff4d8837cda89bc41bfb5eb0e

src/slic3r/GUI/wxMediaCtrl2.h

@@ -39,6 +39,8 @@ public:
 protected:
     void DoSetSize(int x, int y, int width, int height, int sizeFlags) override;
 
+    static void bambu_log(void const * ctx, int level, char const * msg);
+
 private:
     void create_player();
     void * m_player = nullptr;