AW: Connect two separate pipelines (not at the same time) to same HDMI output?

Maurer, Martin martin2.maurer at zeiss.com
Tue Aug 22 14:47:22 UTC 2017


Hello Baby Octopus,

first many thanks for your answer!

Can you confirm you meant output-selector? Not input-selector?

I have two outputs which I want to fill into one monitor.
So in my first thought input-selector would be the right one.

But also using two output-selector, one for each pipeline would be an idea.
Switch between HDMI monitor and fakesink.

output-selector
https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-plugins/html/gstreamer-plugins-output-selector.html
does have the following pads:
active-pad
pad-negotiation-mode
resend-latest

input-selector 
https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-plugins/html/gstreamer-plugins-input-selector.html
does have the following pads:
active-pad
cache-buffers
n-pads
sync-mode
sync-streams

But there is no parameter async in both of them? Do you mean one of sync-mode or sync-streams?

Best regards,

Martin

-----Urspr√ľngliche Nachricht-----
Von: gstreamer-devel [mailto:gstreamer-devel-bounces at lists.freedesktop.org] Im Auftrag von Baby Octopus
Gesendet: Montag, 21. August 2017 16:23
An: gstreamer-devel at lists.freedesktop.org
Betreff: Re: Connect two separate pipelines (not at the same time) to same HDMI output?

Using output-selector would be more apt. That is precisely what it is meant for. You just need to set async=1 appropriately so that unconnected sync wont choke the pipeline to start with



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