Callback from pipeline to notify about video picture size changing

Akon2 aakmail at mail.ru
Thu Dec 7 09:34:42 UTC 2017


In context of my scenario what is most suitable place to start observe inband
(synchronously) caps negotiation process and find new video picture size,
then change videocrop properties accordingly?

Another option looking well logically is to fix video picture size after
videocrop (so it will negotiate bigger size on its sink) and put videoscale
before (so it will adjuct the resolution difference). But this option leads
to lower performance and looks roughly.



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