gstreamer/tests/check/gst/gstmessage.c
Wim Taymans 4b986a4a94 Add message to request a state change
Add a GST_MESSAGE_REQUEST_STATE that can be posted by element when they would
like to have the application change the state of the pipeline. the primary use
case is to pause the pipeline when an audio mixer is mixing a higher priority
stream but it can also be used for other purposes.

Add some docs and a unit test.

Implement the REQUEST_STATE message in gst-launch.

API: gst_message_new_request_state()
API: gst_message_parse_request_state()
API: GST_MESSAGE_REQUEST_STATE
2009-02-18 15:31:55 +01:00

225 lines
6.5 KiB
C

/* GStreamer
*
* unit test for GstMessage
*
* Copyright (C) <2005> Wim Taymans <wim at fluendo dot com>
*
* 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>
static GQuark domain;
GST_START_TEST (test_parsing)
{
GstMessage *message;
domain = g_quark_from_static_string ("test");
/* GST_MESSAGE_EOS */
{
message = gst_message_new_eos (NULL);
fail_if (message == NULL);
fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_EOS);
fail_unless (GST_MESSAGE_SRC (message) == NULL);
gst_message_unref (message);
}
/* GST_MESSAGE_ERROR */
{
GError *error = NULL;
gchar *debug;
error = g_error_new (domain, 10, "test error");
fail_if (error == NULL);
message = gst_message_new_error (NULL, error, "error string");
fail_if (message == NULL);
fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ERROR);
fail_unless (GST_MESSAGE_SRC (message) == NULL);
g_error_free (error);
error = NULL;
debug = NULL;
gst_message_parse_error (message, &error, &debug);
fail_if (error == NULL);
fail_if (debug == NULL);
fail_unless (strcmp (error->message, "test error") == 0);
fail_unless (error->domain == domain);
fail_unless (error->code == 10);
fail_unless (strcmp (debug, "error string") == 0);
gst_message_unref (message);
g_error_free (error);
g_free (debug);
}
/* GST_MESSAGE_WARNING */
{
GError *warning = NULL;
gchar *debug;
warning = g_error_new (domain, 10, "test warning");
fail_if (warning == NULL);
message = gst_message_new_warning (NULL, warning, "warning string");
fail_if (message == NULL);
fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_WARNING);
fail_unless (GST_MESSAGE_SRC (message) == NULL);
g_error_free (warning);
warning = NULL;
debug = NULL;
gst_message_parse_warning (message, &warning, &debug);
fail_if (warning == NULL);
fail_if (debug == NULL);
fail_unless (strcmp (warning->message, "test warning") == 0);
fail_unless (warning->domain == domain);
fail_unless (warning->code == 10);
fail_unless (strcmp (debug, "warning string") == 0);
gst_message_unref (message);
g_error_free (warning);
g_free (debug);
}
/* GST_MESSAGE_INFO */
{
}
/* GST_MESSAGE_TAG */
{
GstTagList *tag;
/* FIXME, do some more tag adding */
tag = gst_tag_list_new ();
fail_if (tag == NULL);
message = gst_message_new_tag (NULL, tag);
fail_if (message == NULL);
fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_TAG);
fail_unless (GST_MESSAGE_SRC (message) == NULL);
tag = NULL;
gst_message_parse_tag (message, &tag);
fail_if (tag == NULL);
/* FIXME, check the actual tags */
gst_message_unref (message);
gst_tag_list_free (tag);
}
/* GST_MESSAGE_BUFFERING */
{
}
/* GST_MESSAGE_STATE_CHANGED */
{
GstState oldstate, newstate, pending;
oldstate = GST_STATE_PAUSED;
newstate = GST_STATE_PLAYING;
pending = GST_STATE_VOID_PENDING;
message = gst_message_new_state_changed (NULL, oldstate, newstate, pending);
fail_if (message == NULL);
fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STATE_CHANGED);
fail_unless (GST_MESSAGE_SRC (message) == NULL);
/* set some wrong values to check if the parse method overwrites them
* with the good values */
oldstate = GST_STATE_READY;
newstate = GST_STATE_READY;
pending = GST_STATE_READY;
gst_message_parse_state_changed (message, &oldstate, &newstate, &pending);
fail_unless (oldstate == GST_STATE_PAUSED);
fail_unless (newstate == GST_STATE_PLAYING);
fail_unless (pending == GST_STATE_VOID_PENDING);
gst_message_unref (message);
}
/* GST_MESSAGE_STEP_DONE */
{
}
/* GST_MESSAGE_NEW_CLOCK */
{
}
/* GST_MESSAGE_STRUCTURE_CHANGE */
{
}
/* GST_MESSAGE_STREAM_STATUS */
{
}
/* GST_MESSAGE_APPLICATION */
{
GstStructure *structure;
const GstStructure *struc;
gint some_int;
gdouble a_double;
structure = gst_structure_new ("test_struct",
"some_int", G_TYPE_INT, 10,
"a_double", G_TYPE_DOUBLE, (gdouble) 1.8, NULL);
fail_if (structure == NULL);
message = gst_message_new_application (NULL, structure);
fail_if (message == NULL);
struc = gst_message_get_structure (message);
fail_if (struc == NULL);
fail_unless (gst_structure_get_int (struc, "some_int", &some_int));
fail_unless (gst_structure_get_double (struc, "a_double", &a_double));
fail_unless (some_int == 10);
fail_unless (a_double == 1.8);
gst_message_unref (message);
}
/*
void gst_message_parse_tag (GstMessage *message, GstTagList **tag_list);
void gst_message_parse_state_changed (GstMessage *message, GstState *old_state,
GstState *new_state);
void gst_message_parse_error (GstMessage *message, GError **gerror, gchar **debug);
void gst_message_parse_warning (GstMessage *message, GError **gerror, gchar **debug);
*/
/* GST_MESSAGE_REQUEST_STATE */
{
GstState state;
state = GST_STATE_PAUSED;
message = gst_message_new_request_state (NULL, state);
fail_if (message == NULL);
fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_REQUEST_STATE);
fail_unless (GST_MESSAGE_SRC (message) == NULL);
/* set some wrong values to check if the parse method overwrites them
* with the good values */
state = GST_STATE_READY;
gst_message_parse_request_state (message, &state);
fail_unless (state == GST_STATE_PAUSED);
gst_message_unref (message);
}
}
GST_END_TEST;
static Suite *
gst_message_suite (void)
{
Suite *s = suite_create ("GstMessage");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_parsing);
return s;
}
GST_CHECK_MAIN (gst_message);