A given #GstCaps structure is always compatible with another if every media format that is in the first is also contained in the second. That is, @caps1 is a subset of @caps2.
the #GstCaps to test
%TRUE if @caps1 is a subset of @caps2.
See Implementation
A given #GstCaps structure is always compatible with another if every media format that is in the first is also contained in the second. That is, @caps1 is a subset of @caps2.