/* GStreamer * Copyright (C) 2005 Stefan Kost * * childproxy.c: test for GstChildProxy iface * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include gboolean added = FALSE; gboolean removed = FALSE; static void my_child_added (GstChildProxy * parent, GstObject * child, gpointer user_data) { if (child == GST_OBJECT (user_data)) { added = TRUE; } } static void my_child_removed (GstChildProxy * parent, GstObject * child, gpointer user_data) { if (child == GST_OBJECT (user_data)) { removed = TRUE; } } int main (int argc, char *argv[]) { GstBin *bin; GstElement *child1, *child2; gboolean state; gst_init (&argc, &argv); if ((bin = GST_BIN (gst_bin_new ("bin"))) == NULL) { g_print ("Could not create a bin element!\n"); return 1; } if ((child1 = gst_element_factory_make ("identity", "filter")) == NULL) { g_print ("Could not create a identity element!\n"); return 1; } g_signal_connect (G_OBJECT (bin), "child-added", G_CALLBACK (my_child_added), child1); g_signal_connect (G_OBJECT (bin), "child-removed", G_CALLBACK (my_child_removed), child1); gst_bin_add (bin, child1); if (!added) { g_print ("ChildProxy::child-added has not been caught!\n"); return 1; } if (gst_child_proxy_get_children_count (GST_CHILD_PROXY (bin)) != 1) { g_print ("ChildProxy should manage exactly one child now!\n"); return 1; } child2 = GST_ELEMENT (gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (bin), 0)); if (child2 != child1) { g_print ("ChildProxy's first child is not what we have added!\n"); return 1; } gst_child_proxy_set (GST_OBJECT (bin), "filter::silent", TRUE, NULL); g_object_get (G_OBJECT (child1), "silent", &state, NULL); if (!state) { g_print ("ChildProxy's child property access failed !\n"); return 1; } gst_child_proxy_set (GST_OBJECT (bin), "filter::silent", FALSE, NULL); g_object_get (G_OBJECT (child1), "silent", &state, NULL); if (state) { g_print ("ChildProxy's child property access failed !\n"); return 1; } gst_bin_remove (bin, child1); if (!removed) { g_print ("ChildProxy::child-added has not been caught!\n"); return 1; } g_object_unref (G_OBJECT (bin)); /* success */ return 0; }