gst_element_implements_interface 156 gst/gstinterface.c g_return_val_if_fail (gst_element_implements_interface (GST_ELEMENT (from), gst_element_implements_interface 185 gst/gstinterface.c if (!gst_element_implements_interface (GST_ELEMENT (from), type)) { gst_element_implements_interface 72 gst/gstinterface.h gboolean gst_element_implements_interface (GstElement *element, gst_element_implements_interface 36 tests/check/gst/gstinterface.c fail_if (!gst_element_implements_interface (element, GST_TYPE_URI_HANDLER)); gst_element_implements_interface 37 tests/check/gst/gstinterface.c fail_if (gst_element_implements_interface (element, gst_element_implements_interface 43 tests/check/gst/gstinterface.c fail_if (gst_element_implements_interface (element, GST_TYPE_URI_HANDLER)); gst_element_implements_interface 44 tests/check/gst/gstinterface.c fail_if (gst_element_implements_interface (element,