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DEFINITIONS
This source file includes following definitions.
- pound_bus_with_messages
- pull_messages
- GST_START_TEST
- message_func_eos
- message_func_app
- send_messages
- GST_START_TEST
- GST_START_TEST
- message_func
- send_5app_1el_1err_2app_messages
- send_10_app_messages
- GST_START_TEST
- GST_START_TEST
- GST_START_TEST
- post_delayed_thread
- GST_START_TEST
- pop_thread
- GST_START_TEST
- cb_bus_call
- GST_START_TEST
- gst_bus_suite
/* GStreamer message bus unit tests
* Copyright (C) 2005 Andy Wingo <wingo@pobox.com>
* Copyright (C) 2007 Tim-Philipp Müller <tim centricular 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>
static GstBus *test_bus = NULL;
static GMainLoop *main_loop;
#define NUM_MESSAGES 1000
#define NUM_THREADS 10
static gpointer
pound_bus_with_messages (gpointer data)
{
gint thread_id = GPOINTER_TO_INT (data);
gint i;
for (i = 0; i < NUM_MESSAGES; i++) {
GstMessage *m;
GstStructure *s;
s = gst_structure_new ("test_message",
"thread_id", G_TYPE_INT, thread_id, "msg_id", G_TYPE_INT, i, NULL);
m = gst_message_new_application (NULL, s);
gst_bus_post (test_bus, m);
}
return NULL;
}
static void
pull_messages (void)
{
GstMessage *m;
const GstStructure *s;
guint message_ids[NUM_THREADS];
gint i;
for (i = 0; i < NUM_THREADS; i++)
message_ids[i] = 0;
while (1) {
gint _t, _i;
m = gst_bus_pop (test_bus);
if (!m)
break;
g_return_if_fail (GST_MESSAGE_TYPE (m) == GST_MESSAGE_APPLICATION);
s = gst_message_get_structure (m);
if (!gst_structure_get_int (s, "thread_id", &_t))
g_critical ("Invalid message");
if (!gst_structure_get_int (s, "msg_id", &_i))
g_critical ("Invalid message");
g_return_if_fail (_t < NUM_THREADS);
g_return_if_fail (_i == message_ids[_t]++);
gst_message_unref (m);
}
for (i = 0; i < NUM_THREADS; i++)
g_return_if_fail (message_ids[i] == NUM_MESSAGES);
}
GST_START_TEST (test_hammer_bus)
{
GThread *threads[NUM_THREADS];
gint i;
test_bus = gst_bus_new ();
for (i = 0; i < NUM_THREADS; i++)
threads[i] = g_thread_create (pound_bus_with_messages, GINT_TO_POINTER (i),
TRUE, NULL);
for (i = 0; i < NUM_THREADS; i++)
g_thread_join (threads[i]);
pull_messages ();
gst_object_unref ((GstObject *) test_bus);
}
GST_END_TEST;
static gboolean
message_func_eos (GstBus * bus, GstMessage * message, guint * p_counter)
{
const GstStructure *s;
gint i;
g_return_val_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_EOS, FALSE);
GST_DEBUG ("got EOS message");
s = gst_message_get_structure (message);
if (!gst_structure_get_int (s, "msg_id", &i))
g_critical ("Invalid message");
if (p_counter != NULL)
*p_counter += 1;
return i != 9;
}
static gboolean
message_func_app (GstBus * bus, GstMessage * message, guint * p_counter)
{
const GstStructure *s;
gint i;
g_return_val_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_APPLICATION,
FALSE);
GST_DEBUG ("got APP message");
s = gst_message_get_structure (message);
if (!gst_structure_get_int (s, "msg_id", &i))
g_critical ("Invalid message");
if (p_counter != NULL)
*p_counter += 1;
return i != 9;
}
static gboolean
send_messages (gpointer data)
{
GstMessage *m;
GstStructure *s;
gint i;
for (i = 0; i < 10; i++) {
s = gst_structure_new ("test_message", "msg_id", G_TYPE_INT, i, NULL);
m = gst_message_new_application (NULL, s);
gst_bus_post (test_bus, m);
s = gst_structure_new ("test_message", "msg_id", G_TYPE_INT, i, NULL);
m = gst_message_new_custom (GST_MESSAGE_EOS, NULL, s);
gst_bus_post (test_bus, m);
}
return FALSE;
}
/* test if adding a signal watch for different message types calls the
* respective callbacks. */
GST_START_TEST (test_watch)
{
guint num_eos = 0;
guint num_app = 0;
guint id;
test_bus = gst_bus_new ();
main_loop = g_main_loop_new (NULL, FALSE);
id = gst_bus_add_watch (test_bus, gst_bus_async_signal_func, NULL);
fail_if (id == 0);
g_signal_connect (test_bus, "message::eos", (GCallback) message_func_eos,
&num_eos);
g_signal_connect (test_bus, "message::application",
(GCallback) message_func_app, &num_app);
g_idle_add ((GSourceFunc) send_messages, NULL);
while (g_main_context_pending (NULL))
g_main_context_iteration (NULL, FALSE);
fail_unless_equals_int (num_eos, 10);
fail_unless_equals_int (num_app, 10);
g_source_remove (id);
g_main_loop_unref (main_loop);
gst_object_unref ((GstObject *) test_bus);
}
GST_END_TEST;
/* test if adding a signal watch for different message types calls the
* respective callbacks. */
GST_START_TEST (test_watch_with_custom_context)
{
GMainContext *ctx;
GSource *source;
guint num_eos = 0;
guint num_app = 0;
guint id;
test_bus = gst_bus_new ();
ctx = g_main_context_new ();
main_loop = g_main_loop_new (ctx, FALSE);
source = gst_bus_create_watch (test_bus);
g_source_set_callback (source, (GSourceFunc) gst_bus_async_signal_func, NULL,
NULL);
id = g_source_attach (source, ctx);
g_source_unref (source);
fail_if (id == 0);
g_signal_connect (test_bus, "message::eos", (GCallback) message_func_eos,
&num_eos);
g_signal_connect (test_bus, "message::application",
(GCallback) message_func_app, &num_app);
source = g_idle_source_new ();
g_source_set_callback (source, (GSourceFunc) send_messages, NULL, NULL);
g_source_attach (source, ctx);
g_source_unref (source);
while (g_main_context_pending (ctx))
g_main_context_iteration (ctx, FALSE);
fail_unless_equals_int (num_eos, 10);
fail_unless_equals_int (num_app, 10);
g_source_remove (id);
g_main_loop_unref (main_loop);
g_main_context_unref (ctx);
gst_object_unref (test_bus);
}
GST_END_TEST;
static gint messages_seen;
static void
message_func (GstBus * bus, GstMessage * message, gpointer data)
{
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_APPLICATION);
messages_seen++;
}
static void
send_5app_1el_1err_2app_messages (guint interval_usecs)
{
GstMessage *m;
GstStructure *s;
gint i;
for (i = 0; i < 5; i++) {
s = gst_structure_new ("test_message", "msg_id", G_TYPE_INT, i, NULL);
m = gst_message_new_application (NULL, s);
GST_LOG ("posting application message");
gst_bus_post (test_bus, m);
g_usleep (interval_usecs);
}
for (i = 0; i < 1; i++) {
s = gst_structure_new ("test_message", "msg_id", G_TYPE_INT, i, NULL);
m = gst_message_new_element (NULL, s);
GST_LOG ("posting element message");
gst_bus_post (test_bus, m);
g_usleep (interval_usecs);
}
for (i = 0; i < 1; i++) {
m = gst_message_new_error (NULL, NULL, "debug string");
GST_LOG ("posting error message");
gst_bus_post (test_bus, m);
g_usleep (interval_usecs);
}
for (i = 0; i < 2; i++) {
s = gst_structure_new ("test_message", "msg_id", G_TYPE_INT, i, NULL);
m = gst_message_new_application (NULL, s);
GST_LOG ("posting application message");
gst_bus_post (test_bus, m);
g_usleep (interval_usecs);
}
}
static void
send_10_app_messages (void)
{
GstMessage *m;
GstStructure *s;
gint i;
for (i = 0; i < 10; i++) {
s = gst_structure_new ("test_message", "msg_id", G_TYPE_INT, i, NULL);
m = gst_message_new_application (NULL, s);
gst_bus_post (test_bus, m);
}
}
/* test that you get the same messages from a poll as from signal watches. */
GST_START_TEST (test_watch_with_poll)
{
guint i;
test_bus = gst_bus_new ();
messages_seen = 0;
gst_bus_add_signal_watch (test_bus);
g_signal_connect (test_bus, "message", (GCallback) message_func, NULL);
send_10_app_messages ();
for (i = 0; i < 10; i++)
gst_message_unref (gst_bus_poll (test_bus, GST_MESSAGE_APPLICATION,
GST_CLOCK_TIME_NONE));
fail_if (gst_bus_have_pending (test_bus), "unexpected messages on bus");
fail_unless (messages_seen == 10, "signal handler didn't get 10 messages");
gst_bus_remove_signal_watch (test_bus);
gst_object_unref (test_bus);
}
GST_END_TEST;
/* test that you get the messages with pop. */
GST_START_TEST (test_timed_pop)
{
guint i;
test_bus = gst_bus_new ();
send_10_app_messages ();
for (i = 0; i < 10; i++)
gst_message_unref (gst_bus_timed_pop (test_bus, GST_CLOCK_TIME_NONE));
fail_if (gst_bus_have_pending (test_bus), "unexpected messages on bus");
gst_object_unref (test_bus);
}
GST_END_TEST;
/* test that you get the messages with pop_filtered */
GST_START_TEST (test_timed_pop_filtered)
{
GstMessage *msg;
guint i;
test_bus = gst_bus_new ();
send_10_app_messages ();
for (i = 0; i < 10; i++) {
msg = gst_bus_timed_pop_filtered (test_bus, GST_CLOCK_TIME_NONE,
GST_MESSAGE_ANY);
fail_unless (msg != NULL);
gst_message_unref (msg);
}
/* should flush all messages on the bus with types not matching */
send_10_app_messages ();
msg = gst_bus_timed_pop_filtered (test_bus, 0,
GST_MESSAGE_ANY ^ GST_MESSAGE_APPLICATION);
fail_unless (msg == NULL);
msg = gst_bus_timed_pop_filtered (test_bus, GST_SECOND / 2,
GST_MESSAGE_ANY ^ GST_MESSAGE_APPLICATION);
fail_unless (msg == NULL);
/* there should be nothing on the bus now */
fail_if (gst_bus_have_pending (test_bus), "unexpected messages on bus");
msg = gst_bus_timed_pop_filtered (test_bus, 0, GST_MESSAGE_ANY);
fail_unless (msg == NULL);
send_5app_1el_1err_2app_messages (0);
msg = gst_bus_timed_pop_filtered (test_bus, 0,
GST_MESSAGE_ANY ^ GST_MESSAGE_APPLICATION);
fail_unless (msg != NULL);
fail_unless_equals_int (GST_MESSAGE_TYPE (msg), GST_MESSAGE_ELEMENT);
gst_message_unref (msg);
fail_unless (gst_bus_have_pending (test_bus), "expected messages on bus");
msg = gst_bus_timed_pop_filtered (test_bus, 0, GST_MESSAGE_APPLICATION);
fail_unless (msg != NULL);
fail_unless_equals_int (GST_MESSAGE_TYPE (msg), GST_MESSAGE_APPLICATION);
gst_message_unref (msg);
msg = gst_bus_timed_pop_filtered (test_bus, 0, GST_MESSAGE_ERROR);
fail_unless (msg == NULL);
gst_object_unref (test_bus);
}
GST_END_TEST;
static gpointer
post_delayed_thread (gpointer data)
{
THREAD_START ();
send_5app_1el_1err_2app_messages (1 * G_USEC_PER_SEC);
return NULL;
}
/* test that you get the messages with pop_filtered if there's a timeout*/
GST_START_TEST (test_timed_pop_filtered_with_timeout)
{
GstMessage *msg;
MAIN_INIT ();
test_bus = gst_bus_new ();
MAIN_START_THREAD_FUNCTIONS (1, post_delayed_thread, NULL);
MAIN_SYNCHRONIZE ();
msg = gst_bus_timed_pop_filtered (test_bus, 2 * GST_SECOND,
GST_MESSAGE_ERROR);
fail_unless (msg == NULL, "Got unexpected %s message",
(msg) ? GST_MESSAGE_TYPE_NAME (msg) : "");
msg = gst_bus_timed_pop_filtered (test_bus, (3 + 1 + 1 + 1) * GST_SECOND,
GST_MESSAGE_ERROR | GST_MESSAGE_ELEMENT);
fail_unless (msg != NULL, "expected element message, but got nothing");
fail_unless_equals_int (GST_MESSAGE_TYPE (msg), GST_MESSAGE_ELEMENT);
gst_message_unref (msg);
msg = gst_bus_timed_pop_filtered (test_bus, GST_CLOCK_TIME_NONE,
GST_MESSAGE_APPLICATION);
fail_unless (msg != NULL, "expected application message, but got nothing");
fail_unless_equals_int (GST_MESSAGE_TYPE (msg), GST_MESSAGE_APPLICATION);
gst_message_unref (msg);
msg = gst_bus_timed_pop_filtered (test_bus, GST_CLOCK_TIME_NONE,
GST_MESSAGE_APPLICATION);
fail_unless (msg != NULL, "expected application message, but got nothing");
fail_unless_equals_int (GST_MESSAGE_TYPE (msg), GST_MESSAGE_APPLICATION);
gst_message_unref (msg);
msg = gst_bus_timed_pop_filtered (test_bus, GST_SECOND / 4,
GST_MESSAGE_TAG | GST_MESSAGE_ERROR);
fail_unless (msg == NULL, "Got unexpected %s message",
(msg) ? GST_MESSAGE_TYPE_NAME (msg) : "");
MAIN_STOP_THREADS ();
gst_object_unref (test_bus);
}
GST_END_TEST;
/* test that you get the messages with pop from another thread. */
static gpointer
pop_thread (gpointer data)
{
GstBus *bus = GST_BUS_CAST (data);
guint i;
for (i = 0; i < 10; i++)
gst_message_unref (gst_bus_timed_pop (bus, GST_CLOCK_TIME_NONE));
return NULL;
}
GST_START_TEST (test_timed_pop_thread)
{
GThread *thread;
GError *error = NULL;
test_bus = gst_bus_new ();
thread = g_thread_create (pop_thread, test_bus, TRUE, &error);
fail_if (error != NULL);
send_10_app_messages ();
g_thread_join (thread);
fail_if (gst_bus_have_pending (test_bus), "unexpected messages on bus");
/* try to pop a message without timeout. */
fail_if (gst_bus_timed_pop (test_bus, 0) != NULL);
/* with a small timeout */
fail_if (gst_bus_timed_pop (test_bus, 1000) != NULL);
gst_object_unref (test_bus);
}
GST_END_TEST;
static gboolean
cb_bus_call (GstBus * bus, GstMessage * msg, gpointer data)
{
GMainLoop *loop = data;
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_EOS:
{
GST_INFO ("End-of-stream");
g_main_loop_quit (loop);
break;
}
case GST_MESSAGE_ERROR:
{
GError *err = NULL;
gst_message_parse_error (msg, &err, NULL);
g_error ("Error: %s", err->message);
g_error_free (err);
g_main_loop_quit (loop);
break;
}
default:
{
GST_LOG ("BUS MESSAGE: type=%s", GST_MESSAGE_TYPE_NAME (msg));
break;
}
}
return TRUE;
}
GST_START_TEST (test_custom_main_context)
{
GMainContext *ctx;
GMainLoop *loop;
GstElement *pipeline;
GstElement *src;
GstElement *sink;
GSource *source;
GstBus *bus;
ctx = g_main_context_new ();
loop = g_main_loop_new (ctx, FALSE);
pipeline = gst_pipeline_new (NULL);
src = gst_element_factory_make ("fakesrc", NULL);
g_object_set (src, "num-buffers", 2000, NULL);
sink = gst_element_factory_make ("fakesink", NULL);
fail_unless (gst_bin_add (GST_BIN (pipeline), src));
fail_unless (gst_bin_add (GST_BIN (pipeline), sink));
fail_unless (gst_element_link (src, sink));
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
source = gst_bus_create_watch (bus);
g_source_attach (source, ctx);
g_source_set_callback (source, (GSourceFunc) cb_bus_call, loop, NULL);
gst_object_unref (bus);
GST_INFO ("starting pipeline");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
GST_INFO ("running event loop, ctx=%p", ctx);
g_main_loop_run (loop);
gst_element_set_state (pipeline, GST_STATE_NULL);
/* clean up */
if (ctx)
g_main_context_unref (ctx);
g_main_loop_unref (loop);
gst_object_unref (pipeline);
}
GST_END_TEST;
static Suite *
gst_bus_suite (void)
{
Suite *s = suite_create ("GstBus");
TCase *tc_chain = tcase_create ("stresstest");
tcase_set_timeout (tc_chain, 20);
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_hammer_bus);
tcase_add_test (tc_chain, test_watch);
tcase_add_test (tc_chain, test_watch_with_poll);
tcase_add_test (tc_chain, test_watch_with_custom_context);
tcase_add_test (tc_chain, test_timed_pop);
tcase_add_test (tc_chain, test_timed_pop_thread);
tcase_add_test (tc_chain, test_timed_pop_filtered);
tcase_add_test (tc_chain, test_timed_pop_filtered_with_timeout);
tcase_add_test (tc_chain, test_custom_main_context);
return s;
}
GST_CHECK_MAIN (gst_bus);