Start xanim only when we are ready to play

Renamed StartPlay in Play
Added wxVideoBaseDriver::GetSize


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3521 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/wxMMedia2/lib/vidbase.cpp

@@ -83,9 +83,9 @@ wxFrame *wxVideoCreateFrame(wxVideoBaseDriver *vid_drv)
   vid_out->DynamicSize(TRUE);
   frame->Layout();
   frame->Show(TRUE);
-  wxYield();
 
   vid_drv->AttachOutput(*vid_out);
+  vid_drv->Play();
 
   return frame;
 }