Influencing playbin2/decodebin2 auto-plugging

[Tvrtko Ursulin]

On Friday 03 August 2012 10:44:39 Tvrtko Ursulin wrote:
> On Thursday 02 August 2012 18:36:05 Tim-Philipp Müller wrote:
> > On Thu, 2012-08-02 at 19:03 +0200, Stefan Sauer wrote:
> > > On 08/02/2012 04:39 PM, Tvrtko Ursulin wrote:
> > > > Is there a way to dynamically influence auto-plugging in
> > > > playbin2/decodebin2, for example by upranking or deranking elements?
> > > 
> > > No. https://bugzilla.gnome.org/show_bug.cgi?id=649542
> > 
> > This is just convenience API, of course you can do such things
> > dynamically.
> > 
> > You can manually set element ranks at runtime in your application by
> > looking up the GstElementFactory/GstPluginFeature in the registry after
> > gst_init() and setting the plugin rank via
> > gst_plugin_feature_set_rank().
> > 
> > Then there are the "autoplug-{factories,sort,select}" signals on
> > decodebin2/uridecodebin, which you can use to tweak the autoplugging.
> > 
> > You can use those in playbin2 as well, but you need to "somehow" find
> > the uridecodebin element inside playbin2.
> 
> Hm.. I can get uridecodebin element via the element-added signal, but when I
> connect my handler to autoplug-select it is not getting called. Code
> snippet is roughly this:

It is called but I got the number of parameters wrong.

Just need to figure out the return values now.

Tvrtko