docs: talk about the filter caps

This commit is contained in:
Wim Taymans 2012-06-05 14:38:25 +02:00
parent 1f008928ae
commit 4e06fccf41

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@ -32,7 +32,9 @@ A pad can ask the peer pad for its supported GstCaps. It does this with
the CAPS query. The list of supported caps can be used to choose an
appropriate GstCaps for the data transfer.
The CAPS query works recursively, elements should take their peers into
consideration when constructing the possible caps.
consideration when constructing the possible caps. Because the result caps
can be very large, the filter can be used to restrict the caps. Only the
caps that match the filter will be returned as the result caps.
(in) "filter", GST_TYPE_CAPS (default NULL)
- a GstCaps to filter the results against