gstreamer/testsuite/threads/signals.c

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#include <unistd.h>
#include <gst/gst.h>
#define GST_TYPE_TEST (gst_test_get_type ())
#define GST_TEST(test) (G_TYPE_CHECK_INSTANCE_CAST ((test), GST_TYPE_TEST, GstTest))
#define GST_IS_TEST(test) (G_TYPE_CHECK_INSTANCE_TYPE ((test), GST_TYPE_TEST))
#define GST_TEST_CLASS(tclass) (G_TYPE_CHECK_CLASS_CAST ((tclass), GST_TYPE_TEST, GstTestClass))
#define GST_IS_TEST_CLASS(tclass) (G_TYPE_CHECK_CLASS_TYPE ((tclass), GST_TYPE_TEST))
#define GST_TEST_GET_CLASS(test) (G_TYPE_INSTANCE_GET_CLASS ((test), GST_TYPE_TEST, GstTestClass))
typedef struct _GstTest GstTest;
typedef struct _GstTestClass GstTestClass;
struct _GstTest
{
GstObject object;
};
struct _GstTestClass
{
GstObjectClass parent_class;
void (*test_signal1) (GstTest * test, gint an_int);
void (*test_signal2) (GstTest * test, gint an_int);
};
static GType gst_test_get_type (void);
/* Element signals and args */
enum
{
TEST_SIGNAL1,
TEST_SIGNAL2,
/* add more above */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_TEST_PROP
};
static void gst_test_class_init (GstTestClass * klass);
static void gst_test_init (GstTest * test);
static void gst_test_dispose (GObject * object);
static void signal2_handler (GstTest * test, gint anint);
static void gst_test_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_test_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstObjectClass *parent_class = NULL;
static guint gst_test_signals[LAST_SIGNAL] = { 0 };
static GType
gst_test_get_type (void)
{
static GType test_type = 0;
if (!test_type) {
static const GTypeInfo test_info = {
sizeof (GstTestClass),
NULL,
NULL,
(GClassInitFunc) gst_test_class_init,
NULL,
NULL,
sizeof (GstTest),
0,
(GInstanceInitFunc) gst_test_init,
NULL
};
test_type = g_type_register_static (GST_TYPE_OBJECT, "GstTest",
&test_info, 0);
}
return test_type;
}
static void
gst_test_class_init (GstTestClass * klass)
{
GObjectClass *gobject_class;
GstObjectClass *gstobject_class;
gobject_class = (GObjectClass *) klass;
gstobject_class = (GstObjectClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_OBJECT);
if (!g_thread_supported ())
g_thread_init (NULL);
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_test_dispose);
gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_test_set_property);
gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_test_get_property);
gst_test_signals[TEST_SIGNAL1] =
g_signal_new ("test-signal1", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstTestClass, test_signal1), NULL,
NULL, gst_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
gst_test_signals[TEST_SIGNAL2] =
g_signal_new ("test-signal2", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstTestClass, test_signal2), NULL,
NULL, gst_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TEST_PROP,
g_param_spec_int ("test-prop", "Test Prop", "Test property",
0, 1, 0, G_PARAM_READWRITE));
klass->test_signal2 = signal2_handler;
}
static void
gst_test_init (GstTest * test)
{
}
static void
gst_test_dispose (GObject * object)
{
GstTest *test;
test = GST_TEST (object);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_test_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstTest *test;
test = GST_TEST (object);
switch (prop_id) {
case ARG_TEST_PROP:
g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_test_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstTest *test;
test = GST_TEST (object);
switch (prop_id) {
case ARG_TEST_PROP:
g_value_set_int (value, 0);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_test_do_signal1 (GstTest * test)
{
g_signal_emit (G_OBJECT (test), gst_test_signals[TEST_SIGNAL1], 0, 0);
}
static void
signal2_handler (GstTest * test, gint anint)
{
}
static void
gst_test_do_signal2 (GstTest * test)
{
g_signal_emit (G_OBJECT (test), gst_test_signals[TEST_SIGNAL2], 0, 0);
}
static void
gst_test_do_prop (GstTest * test)
{
g_object_notify (G_OBJECT (test), "test-prop");
}
static gpointer
run_thread (GstTest * test)
{
gint i = 0;
while (TRUE) {
if (TESTNUM == 1)
gst_test_do_signal1 (test);
if (TESTNUM == 2)
gst_test_do_signal2 (test);
if (TESTNUM == 3)
gst_test_do_prop (test);
if ((i++ % 10000) == 0) {
g_print (".");
g_usleep (1); /* context switch */
}
}
return NULL;
}
int
main (int argc, char **argv)
{
gint i;
GstTest *test1, *test2;
gst_init (&argc, &argv);
test1 = g_object_new (GST_TYPE_TEST, NULL);
test2 = g_object_new (GST_TYPE_TEST, NULL);
for (i = 0; i < 20; i++) {
g_thread_create ((GThreadFunc) run_thread, test1, TRUE, NULL);
g_thread_create ((GThreadFunc) run_thread, test2, TRUE, NULL);
}
sleep (5);
return 0;
}