Sets the given unlink function for the pad. It will be called when the pad is unlinked.
Note that the pad's lock is already held when the unlink function is called, so most pad functions cannot be called from within the callback.
the GstPadUnlinkFunction to set.
user_data passed to notify
notify called when unlink will not be used anymore.
Sets the given unlink function for the pad. It will be called when the pad is unlinked.
Note that the pad's lock is already held when the unlink function is called, so most pad functions cannot be called from within the callback.