For those who were holding out for MediaCtrl in Phoenix, it appears it is now working in the latest snapshots. 
[talbert@easel ~]$ python3
Python 3.4.3 (default, Mar 31 2016, 20:42:37)
[GCC 5.3.1 20151207 (Red Hat 5.3.1-2)] on linux
Type "help", "copyright", "credits" or "license" for more information.
import wx.media
a = wx.media.MediaCtrl()
wx.VERSION
(3, 0, 3, '.dev1976+d9956d6')
Thanks to Dietmar I think who implemented it.
Scott