AW: AW: Overlay peak value on video
Thornton, Keith
keith.thornton at zeiss.com
Mon Mar 9 04:31:52 PDT 2015
Sounds great. I can set the text in TextOverlay from one of my plugins in the pipeline which saves me needing cairo or some other renderer
-----Ursprüngliche Nachricht-----
Von: gstreamer-devel [mailto:gstreamer-devel-bounces at lists.freedesktop.org] Im Auftrag von Tim Müller
Gesendet: Montag, 9. März 2015 11:53
An: Discussion of the development of and with GStreamer
Betreff: Re: AW: Overlay peak value on video
On Mon, 2015-03-09 at 10:31 +0000, Thornton, Keith wrote:
Hi Keith,
> It would interest me to know whether it is realy possible to do a
> frame exact testoverlay using setProperty. I am also not using a bin.
What do you mean by that?
If you have a pipeline like ...
... ! videoanalyse ! textoverlay ! ....
then both will be running in the same streaming thread, so you know that if you do:
... analyse frame ...
textoverlay.set_text (result)
... push frame to textoverlay ...
that exact frame will get that exact text.
Cheers
-Tim
--
Tim Müller, Centricular Ltd - http://www.centricular.com
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