Querying caps

[Nicolas Dufresne]

Le jeudi 23 mars 2017 à 08:24 -0700, lsiden at gmail.com a écrit :
> I'm answering my own question.  My problem is that I had to set up
> the signal
> handler for notify::caps before I change the pipeline state to
> PLAYING.  So
> now the handler is getting called.
> 
> My problem now is how to set the caps I want on a filter before the
> pipeline
> actually outputs frames.  At this point its already rolling.  
> 
> My previous attempts to pre-roll the pipeline have not been
> successful.
> 

Would it be possible to provide a larger view on what you are trying to
do ? Would using blocking PadProbes helps ?

regards,
Nicolas
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