[Bug 654959] textoverlay would flicker if it receives not timestampes text on input

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=654959
  GStreamer | gst-plugins-base | unspecified

Tim-Philipp Müller <t.i.m> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|FIXED                       |

--- Comment #4 from Tim-Philipp Müller <t.i.m at zen.co.uk> 2011-07-25 09:35:06 UTC ---
It is true that we fail to differentiate between 'text/plain' as in what you
get when you run typefinding on a README file, and 'text/plain' for plain
chunked + timestamped subtitle files.

I don't think the code change will cause issues, but I think it's bad to
encourage (or even support this tbh) by adding an the example even. The example
should be removed or changed so that the text is timestamped.

Un-timestamped subtitles are pretty much unsupportable in most other contexts
in GStreamer.

textoverlay defaults to wait-text=true, but if the input isn't timestamped it
can't wait for the right time, so inputting things like this basically leads to
undeterministic results, which I don't think is desirable here.

If people want to do this kind of thing they should use the text property, it
is controllable after all.

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