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2aa179d5ec
Original commit message from CVS: new iface to uniformly access elements children and their properties
115 lines
3 KiB
C
115 lines
3 KiB
C
/* GStreamer
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* Copyright (C) 2005 Stefan Kost <ensonic@users.sf.net>
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*
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* childproxy.c: test for GstChildProxy iface
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gst/gst.h>
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gboolean added = FALSE;
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gboolean removed = FALSE;
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static void
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my_child_added (GstChildProxy * parent, GstObject * child, gpointer user_data)
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{
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if (child == GST_OBJECT (user_data)) {
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added = TRUE;
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}
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}
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static void
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my_child_removed (GstChildProxy * parent, GstObject * child, gpointer user_data)
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{
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if (child == GST_OBJECT (user_data)) {
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removed = TRUE;
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}
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}
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int
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main (int argc, char *argv[])
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{
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GstBin *bin;
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GstElement *child1, *child2;
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gboolean state;
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gst_init (&argc, &argv);
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if ((bin = GST_BIN (gst_bin_new ("bin"))) == NULL) {
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g_print ("Could not create a bin element!\n");
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return 1;
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}
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if ((child1 = gst_element_factory_make ("identity", "filter")) == NULL) {
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g_print ("Could not create a identity element!\n");
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return 1;
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}
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g_signal_connect (G_OBJECT (bin), "child-added", G_CALLBACK (my_child_added),
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child1);
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g_signal_connect (G_OBJECT (bin), "child-removed",
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G_CALLBACK (my_child_removed), child1);
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gst_bin_add (bin, child1);
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if (!added) {
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g_print ("ChildProxy::child-added has not been caught!\n");
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return 1;
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}
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if (gst_child_proxy_get_children_count (GST_CHILD_PROXY (bin)) != 1) {
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g_print ("ChildProxy should manage exactly one child now!\n");
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return 1;
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}
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child2 =
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GST_ELEMENT (gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (bin),
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0));
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if (child2 != child1) {
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g_print ("ChildProxy's first child is not what we have added!\n");
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return 1;
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}
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gst_child_proxy_set (GST_OBJECT (bin), "filter::silent", TRUE, NULL);
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g_object_get (G_OBJECT (child1), "silent", &state, NULL);
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if (!state) {
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g_print ("ChildProxy's child property access failed !\n");
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return 1;
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}
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gst_child_proxy_set (GST_OBJECT (bin), "filter::silent", FALSE, NULL);
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g_object_get (G_OBJECT (child1), "silent", &state, NULL);
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if (state) {
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g_print ("ChildProxy's child property access failed !\n");
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return 1;
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}
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gst_bin_remove (bin, child1);
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if (!removed) {
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g_print ("ChildProxy::child-added has not been caught!\n");
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return 1;
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}
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g_object_unref (G_OBJECT (bin));
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/* success */
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return 0;
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}
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