Décodeur private/teletext

When i try to read video.
with gstreamer0.10-fluendo-mpegdemux it s ok.
Issue : install gstreamer0.10-fluendo-mpegdemux remove gstreamer0.10-bad.

/var/lib/python-support/python2.6/gdata/tlslite/utils/cryptomath.py:9: DeprecationWarning: the sha module is deprecated; use the hashlib module instead
  import sha
** Message: don't know how to handle private/teletext
** Message: Missing plugin: gstreamer|0.10|totem|Décodeur private/teletext|decoder-private/teletext (Décodeur private/teletext)
** Message: don't know how to handle private/x-dvbsub
** Message: don't know how to handle private/x-dvbsub