[gst-devel] How to be notified of new caps

[Jan Schmidt]

Fabrice Triboix wrote:
> Hi all,
> 
> I would like my application to be notified of new caps
> sets on existing pads.
> 
> Ex: a pad exists but with ANY caps, a first packet
> comes through with some caps and the "set_caps()"
> function of the pad is called. Is it possible to have
> a function called back in my application to be
> notified that some caps has been set on the pad?

You can connect to the notify::caps signal, or you can use deep notifies
like gst-launch-0.10 -v does to see all caps changes in a pipeline on
all pads.

Cheers,
Jan.