[gst-devel] plugins knowing about other plugins
dez at ti.com
Fri Mar 4 15:53:29 CET 2005
> > My question is: Can a plugin query GStreamer to figure out
> > what other plugins are linked to its pads? If so, when does
> > this occur?
Gergely Nagy wrote:
> You can do a gst_pad_get_parent (gst_pad_get_peer (pad)) in,
> for example the _link() function for your srcpad, and then
> figure out whether the peer is the right element (eg, by
> checking a custom property, or something like that).
Thanks! I used gst_pad_get_peer() and everything works like charm. I
obtain the linked pad, then I get it's parent, and I check that parent's
class. If they're the same, I attempt to share resources; otherwise I
just behave like a typical GStreamer plugin.
Maciej Katafiasz wrote:
> This has been discussed recently, see:
A link is worth a thousand words. Also, the third link helped me to
solve yet another problem (this one about events) without having to ask
this mailing list. Thanks for your help, too!
-- Mark Dezelon / dez at ti.com / Don't Panic! --
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