gstreamer/tests/old/testsuite/schedulers/143777.c

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/* GStreamer
* Copyright (C) 2004 Benjamin Otte <otte@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* This file reproduces the bug in the bugreport #143777, as can be seen at
* http://bugzilla.gnome.org/show_bug.cgi?id=143777 - the issue is that when
* pausing a pipeline while the chainhandler is still running, then unlinking
* the pad that's chain function is called and relinking it clears the buffer
* that was stored for sending the event. gst_pad_call_chain_function needs
* to check that.
* The fix is in gstpad.c, revision 1.327
*/
#include <gst/gst.h>
gint
main (gint argc, gchar ** argv)
{
GstElement *pipeline, *src, *sink, *id;
guint i = 0, j;
gst_init (&argc, &argv);
g_print ("setting up...\n");
/* setup pipeline */
pipeline = gst_element_factory_make ("pipeline", NULL);
g_assert (pipeline);
src = gst_element_factory_make ("fakesrc", NULL);
g_assert (src);
id = gst_element_factory_make ("identity", NULL);
g_assert (id);
sink = gst_element_factory_make ("fakesink", NULL);
g_assert (sink);
gst_bin_add_many (GST_BIN (pipeline), src, id, sink, NULL);
while (i < 100) {
g_print ("running... (%d iterations)\n", i);
if (gst_element_set_state (pipeline,
GST_STATE_PLAYING) != GST_STATE_SUCCESS)
g_assert_not_reached ();
gst_element_link_many (src, id, sink, NULL);
for (j = 0; j < i; j++)
gst_bin_iterate (GST_BIN (pipeline));
if (gst_element_set_state (pipeline, GST_STATE_PAUSED) != GST_STATE_SUCCESS)
g_assert_not_reached ();
gst_element_unlink_many (src, id, sink, NULL);
i++;
}
g_print ("cleaning up...\n");
g_assert (i == 100);
gst_object_unref (GST_OBJECT (pipeline));
src = id = sink = pipeline = NULL;
g_print ("done.\n");
return 0;
}