gstreamer/tests/check/pipelines/queue-error.c
Wim Taymans ba3028aeeb pad: Add GstPadProbeInfo
Make a new GstPadProbeInfo structure and pass this in the probe callback. This
allows us to add more things later and also allow the callback to replace or
modify the passed object.
2011-11-08 11:04:19 +01:00

113 lines
3.3 KiB
C

/* GStreamer unit test for queue
*
* Copyright (C) 2007 Tim-Philipp Müller <tim centricular net>
* Copyright (C) 2009 Mark Nauwelaerts <mnauw users sourceforge net>
*
* 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/check/gstcheck.h>
#include <gst/gst.h>
static GstPadProbeReturn
modify_caps (GstObject * pad, GstPadProbeInfo * info, gpointer data)
{
GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
GstElement *filter = GST_ELEMENT (data);
GstCaps *caps;
fail_unless (event != NULL);
fail_unless (GST_IS_EVENT (event));
if (GST_EVENT_TYPE (event) != GST_EVENT_EOS)
return GST_PAD_PROBE_OK;
/* trigger caps negotiation error */
caps = gst_caps_new_empty_simple ("video/x-raw-rgb");
g_object_set (filter, "caps", caps, NULL);
gst_caps_unref (caps);
return GST_PAD_PROBE_OK;
}
GST_START_TEST (test_queue)
{
GstStateChangeReturn state_ret;
GstMessage *msg;
GstElement *pipeline, *filter, *queue;
GstBus *bus;
GstPad *pad;
guint probe;
gchar *pipe_desc =
g_strdup_printf ("fakesrc num-buffers=1 ! video/x-raw-yuv ! "
"queue min-threshold-buffers=2 name=queue ! "
"capsfilter name=nasty ! fakesink");
pipeline = gst_parse_launch (pipe_desc, NULL);
fail_unless (pipeline != NULL);
g_free (pipe_desc);
filter = gst_bin_get_by_name (GST_BIN (pipeline), "nasty");
fail_unless (filter != NULL);
/* queue waits for all data and EOS to arrive */
/* then probe forces downstream element to return negotiation error */
queue = gst_bin_get_by_name (GST_BIN (pipeline), "queue");
fail_unless (queue != NULL);
pad = gst_element_get_static_pad (queue, "sink");
fail_unless (pad != NULL);
probe =
gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
(GstPadProbeCallback) modify_caps, filter, NULL);
bus = gst_element_get_bus (pipeline);
state_ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
fail_unless (state_ret != GST_STATE_CHANGE_FAILURE);
msg = gst_bus_poll (bus, GST_MESSAGE_ERROR | GST_MESSAGE_EOS, 5 * GST_SECOND);
fail_unless (msg != NULL, "timeout waiting for error or eos message");;
gst_message_unref (msg);
gst_object_unref (bus);
fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_NULL),
GST_STATE_CHANGE_SUCCESS);
gst_pad_remove_probe (pad, probe);
gst_object_unref (queue);
gst_object_unref (pad);
gst_object_unref (filter);
gst_object_unref (pipeline);
}
GST_END_TEST;
static Suite *
queue_suite (void)
{
Suite *s = suite_create ("queue");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_queue);
return s;
}
GST_CHECK_MAIN (queue)