Calls Pad.queryCaps for all internally linked pads of pad and returns
the intersection of the results.
This function is useful as a default caps query function for an element
that can handle any stream format, but requires all its pads to have
the same caps. Two such elements are tee and adder.
Calls Pad.queryCaps for all internally linked pads of pad and returns the intersection of the results.
This function is useful as a default caps query function for an element that can handle any stream format, but requires all its pads to have the same caps. Two such elements are tee and adder.