Querying caps

[lsiden at gmail.com]

I tried the blocking probe but it didn't help.  Probably I didn't know how
to use it properly.

On Thu, Mar 23, 2017, 14:42 Nicolas Dufresne-5 [via GStreamer-devel] <
ml-node+s966125n4682384h57 at n4.nabble.com> wrote:

> Le jeudi 23 mars 2017 à 08:24 -0700, [hidden email]
> <http:///user/SendEmail.jtp?type=node&node=4682384&i=0> 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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