gstreamer/testsuite/states/locked.c

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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 <gst/gst.h>
gint
main (gint argc, gchar *argv[])
{
GstElement *pipeline;
GstElement *fakesrc1, *fakesink1;
GstElement *fakesrc2, *fakesink2;
gst_init (&argc, &argv);
pipeline = gst_pipeline_new ("pipeline");
fakesrc1 = gst_element_factory_make ("fakesrc", "fakesrc1");
g_object_set (G_OBJECT (fakesrc1), "num_buffers", 5, NULL);
fakesink1 = gst_element_factory_make ("fakesink", "fakesink1");
gst_bin_add_many (GST_BIN (pipeline), fakesrc1, fakesink1, NULL);
gst_element_link_pads (fakesrc1, "src", fakesink1, "sink");
fakesrc2 = gst_element_factory_make ("fakesrc", "fakesrc2");
g_object_set (G_OBJECT (fakesrc2), "num_buffers", 5, NULL);
fakesink2 = gst_element_factory_make ("fakesink", "fakesink2");
gst_bin_add_many (GST_BIN (pipeline), fakesrc2, fakesink2, NULL);
gst_element_link_pads (fakesrc2, "src", fakesink2, "sink");
g_signal_connect (G_OBJECT (pipeline), "deep_notify", G_CALLBACK (gst_element_default_deep_notify), NULL);
GST_FLAG_SET (fakesrc2, GST_ELEMENT_LOCKED_STATE);
GST_FLAG_SET (fakesink2, GST_ELEMENT_LOCKED_STATE);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
while (gst_bin_iterate (GST_BIN (pipeline)));
gst_element_set_state (pipeline, GST_STATE_READY);
g_object_set (G_OBJECT (fakesrc1), "num_buffers", 5, NULL);
GST_FLAG_UNSET (fakesrc2, GST_ELEMENT_LOCKED_STATE);
GST_FLAG_UNSET (fakesink2, GST_ELEMENT_LOCKED_STATE);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
while (gst_bin_iterate (GST_BIN (pipeline)));
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (GST_OBJECT (pipeline));
return 0;
}