Make gstreamer render even when there is no video streaming

[Luis de Bethencourt]

Hello,

 

You need some information to be displayed, even if that is just a static black. You are going to need to mix this “background” or “off” black image in when there is no video.

 

Luis

 

From: gstreamer-devel [mailto:gstreamer-devel-bounces at lists.freedesktop.org] On Behalf Of Wizardy
Sent: 18 September 2014 18:10
To: gstreamer-devel at lists.freedesktop.org
Subject: Make gstreamer render even when there is no video streaming

 

Hello


I'm developing a client application where I use gstreamer to get a video streaming from another device and display it along with some extra information (text and images). To render all the information over the video I'm using the cairo plugin included with gstreamer which works great. The problem I'm having is the video streaming is not always available, and when it isn't gstreamer doesn't render anything, so all my extra information isn't shown either.

A simplified version of my pipeline:

udpsrc port=5000 ! application/x-rtp, payload=96 ! rtph264depay ! avdec_h264 ! videoconvert ! cairooverlay ! videoconvert ! d3dvideosink

Does someone know how can I make gstreamer render cairo even when there is no video?

Thanks.

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