/**
* Get a list of factories that match the given parameter.
*
* <p>It is a combination of listGetElement and listFilter passing all the results of the first
* call to the second.
*
* <p>This method improves performance because there is no need to map to java list the elements
* returned by the first call.
*
* @param type a {@link ElementFactoryListType}
* @param minrank Minimum rank
* @param caps a {@link Caps}
* @param direction a {@link PadDirection} to filter on
* @param subsetonly whether to filter on caps subsets or not.
* @return a {@link List} of {@link ElementFactory} elements that match the given requisits.
*/
public static List<ElementFactory> listGetElementFilter(
ElementFactoryListType type,
Rank minrank,
Caps caps,
PadDirection direction,
boolean subsetonly) {
GList glist = gst.gst_element_factory_list_get_elements(type.getValue(), minrank.getValue());
return lister(glist, caps, direction, subsetonly);
}
/**
* Get a list of factories that match the given type. Only elements with a rank greater or equal
* to minrank will be returned. The list of factories is returned by decreasing rank.
*
* @param type a {@link ElementFactoryListType}
* @param minrank Minimum rank
* @return a List of ElementFactory elements.
*/
public static List<ElementFactory> listGetElement(ElementFactoryListType type, Rank minrank) {
GList glist = gst.gst_element_factory_list_get_elements(type.getValue(), minrank.getValue());
List<ElementFactory> list = new ArrayList<ElementFactory>();
GList next = glist;
while (next != null) {
if (next.data != null) {
ElementFactory fact = new ElementFactory(initializer(next.data, true, true));
list.add(fact);
}
next = next.next();
}
gst.gst_plugin_list_free(glist);
return list;
}
