AW: AW: Overlay peak value on video

[Thornton, Keith]

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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