[Bug 735800] 1.4.1 regression: Two textoverlay in sequence fail to negotiate

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=735800
  GStreamer | gst-plugins-base | 1.4.1

--- Comment #3 from Thiago Sousa Santos <thiagossantos at gmail.com> 2014-09-01 15:48:24 UTC ---
Created an attachment (id=285028)
 View: https://bugzilla.gnome.org/attachment.cgi?id=285028
 Review: https://bugzilla.gnome.org/review?bug=735800&attachment=285028

basetextoverlay: properly fallback to non-overlay caps

When downstream claims to accept the overlay meta but fails to
provide it in the allocation query, properly fallback to setting
a new caps without the overlay meta as that is not going to be used.

Only do this if the original caps doesn't have the overlay already,
otherwise there isn't much that can be done.

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