basesink : render or render_list ?

Duchassin Frederic duchassin at
Wed Sep 5 11:49:01 UTC 2018

My source is a "udpsrc" so I think it's not possible to use Bufferlist.

-----Message d'origine-----
De : gstreamer-devel [mailto:gstreamer-devel-bounces at] De la part de Tim Müller
Envoyé : mercredi 5 septembre 2018 12:47
À : Discussion of the development of and with GStreamer
Objet : Re: basesink : render or render_list ?

On Wed, 2018-09-05 at 09:48 +0000, Duchassin Frédéric wrote:

> I try to make a plugin based on basesink.
> When the render() or render_list() function are called please ?
> First test on my own plugin show that render_list() is never called.
> Is there a parameter which allow use of bufferlist ??

render_list() will only be called if upstream actually sends a buffer
list, which very few plugins do. Are you sure that's happening in your
case? Some rtp payloaders do and render_list() is used in udpsink for
that reason.


Tim Müller, Centricular Ltd -

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