[gst-devel] strange problem with two sink elements in a pipeline

Wim Taymans wim at fluendo.com
Fri Feb 2 13:27:20 CET 2007


On Fri, 2007-02-02 at 11:41 +0100, Antoine Pitrou wrote:
> Le vendredi 02 février 2007 à 11:20 +0000, Wim Taymans a écrit :
> > > Thanks for your answer !
> > > However, it still doesn't work. I attach the updated Python script.
> > 
> > You are not pushing data on the video pad, so the videosink will never
> > preroll.
> 
> But is it the reason why the audio sink never receives the data that's
> been pushed to it?
> (that's what my problem is about)
> 
What makes you think the sink did not receive the data? The do_render
method will only be called when *all* sinks in the pipeline are
prerolled. If you implement do_preroll in your element, you'll see that
it prerolls fine but never goes to playing.

Wim

> Thanks
> 
> Antoine.
> 
> 
> 
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