AW: How to create a ticker-tape?

[Thornton, Keith]

Hi, one possibility which I have used is to write a plugin which establishes a link to a TextOverlay in the same pipeline. For each buffer passing through my plugin I increment a counter and then I call the TextOverlays setParameter function to change the text outputting the buffer counter. You could also use this method to change the position of the text.

-----Ursprüngliche Nachricht-----
Von: gstreamer-devel [mailto:gstreamer-devel-bounces at lists.freedesktop.org] Im Auftrag von Arjen Veenhuizen
Gesendet: Dienstag, 2. Februar 2016 09:38
An: gstreamer-devel at lists.freedesktop.org
Betreff: How to create a ticker-tape?

I have been looking all over the web, but I couldn't find any information on constructing a ticker tape in GStreamer. Does such an element exist or can we use the textoverlay element. In the latter case, can we change the text, xpos, ypos, deltax and deltay on the fly while the pipeline is in PLAYING state? 

I wonder what the best practice would be. Any thoughts?



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