+#if wxABI_VERSION >= 20603 /* 2.6.3+ only */
+# define wxMEDIA_STATECHANGED_ID 13003
+# define wxMEDIA_PLAY_ID 13004
+# define wxMEDIA_PAUSE_ID 13005
+ DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_STATECHANGED, wxMEDIA_STATECHANGED_ID)
+ DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_PLAY, wxMEDIA_PLAY_ID)
+ DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_PAUSE, wxMEDIA_PAUSE_ID)
+# define EVT_MEDIA_STATECHANGED(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_STATECHANGED, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+# define EVT_MEDIA_PLAY(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_PLAY, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+# define EVT_MEDIA_PAUSE(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_PAUSE, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+#endif
+
+// ----------------------------------------------------------------------------
+// common backend base class used by many other backends
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_MEDIA wxMediaBackendCommonBase : public wxMediaBackend
+{
+public:
+ // add a pending wxMediaEvent of the given type
+ void QueueEvent(wxEventType evtType);
+
+ // notify that the movie playback is finished
+ void QueueFinishEvent()
+ {
+#if wxABI_VERSION >= 20603 /* 2.6.3+ only */
+ QueueEvent(wxEVT_MEDIA_STATECHANGED);
+#endif
+ QueueEvent(wxEVT_MEDIA_FINISHED);
+ }
+
+ // send the stop event and return true if it hasn't been vetoed
+ bool SendStopEvent();
+
+ // Queue pause event
+ void QueuePlayEvent();
+
+ // Queue pause event
+ void QueuePauseEvent();
+
+ // Queue stop event (no veto)
+ void QueueStopEvent();
+
+protected:
+ // call this when the movie size has changed but not because it has just
+ // been loaded (in this case, call NotifyMovieLoaded() below)
+ void NotifyMovieSizeChanged();
+
+ // call this when the movie is fully loaded
+ void NotifyMovieLoaded();
+
+
+ wxMediaCtrl *m_ctrl; // parent control
+};
+