No subject

> hi,
> 
> you need to bring the element to paused state first that get the ifaces=
. Reason 
> behind is, that only then the elments know, wheter they can provide the=
 iface of 
> not. Then access it via GST_IMPLEMENTS_INTERFACE:
> http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html=
/GstImplementsInterface.html
> 
> Stefan
> 
> amo99 at libero.it wrote:
> > Hi, i'm new to gstreamer.
> > I wish to use interfaces (mixer, tuner, ecc.) to change devices prope=
rties.  I can't access them. Could you tell me which is the wrong step?
> > [...]