[Bug 638168] textoverlay: don't return wrong-state when stopping while in text chain

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=638168
  GStreamer | gst-plugins-base | unspecified

--- Comment #22 from Thiago Sousa Santos <thiago.sousa.santos at collabora.co.uk> 2012-05-11 20:27:28 UTC ---
The remaining issue it the time it takes to switch the subtitle, mostly because
the buffers of the newly selected stream have already been pushed by the
decoder and dropped because their pad at the input-selector wasn't active.

When you switch, you need to wait until the next subtitle buffer arrives, and
this new buffer might be lots of seconds ahead as the decoders are a few
buffers ahead of the currently rendered text, a few buffers can be a lot of
time for sparse streams.

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