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[gst-cvs] wingo gstreamer: gstreamer/ gstreamer/check/ gstreamer/check/net/ gstreamer/gst/ gstreamer/gst/net/
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From: <wi...@fr...> - 2005-11-16 16:50:03
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CVS Root: /cvs/gstreamer
Module: gstreamer
Changes by: wingo
Date: Wed Nov 16 2005 08:50:01 PST
Log message:
2005-11-16 Andy Wingo <wi...@po...>
* gst/net/Makefile.am:
* gst/net/gstnet.h: New part of core to hold network elements and
objects. Put in core because it exposes API that applications want
to use. The library is named libgstnet-tempname right now because
of the existing libgstnet in gst-plugins-base. Solution is
probably to rename the one in plugins-base; will file a bug for
the freeze break.
* gst/net/gstnettimeprovider.c:
* gst/net/gstnettimeprovider.h: New object to export a GstClock's
get_time call over the network.
* configure.ac:
* gst/Makefile.am (lib_LTLIBRARIES): Add gstnet to the build.
* check/Makefile.am:
* check/net/gstnettimeprovider.c: A most minimal test suite. Will
get additions shortly.
Modified files:
. : ChangeLog configure.ac
check : Makefile.am
gst : Makefile.am
Added files:
check/net : gstnettimeprovider.c
gst/net : Makefile.am gstnet.h gstnettimeprovider.c
gstnettimeprovider.h
Links:
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gstreamer/ChangeLog.diff?r1=1.1900&r2=1.1901
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gstreamer/configure.ac.diff?r1=1.411&r2=1.412
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gstreamer/check/Makefile.am.diff?r1=1.67&r2=1.68
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gstreamer/check/net/gstnettimeprovider.c?rev=1.1&content-type=text/vnd.viewcvs-markup
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gstreamer/gst/Makefile.am.diff?r1=1.199&r2=1.200
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gstreamer/gst/net/Makefile.am?rev=1.1&content-type=text/vnd.viewcvs-markup
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gstreamer/gst/net/gstnet.h?rev=1.1&content-type=text/vnd.viewcvs-markup
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gstreamer/gst/net/gstnettimeprovider.c?rev=1.1&content-type=text/vnd.viewcvs-markup
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gstreamer/gst/net/gstnettimeprovider.h?rev=1.1&content-type=text/vnd.viewcvs-markup
====Begin Diffs====
Index: ChangeLog
===================================================================
RCS file: /cvs/gstreamer/gstreamer/ChangeLog,v
retrieving revision 1.1900
retrieving revision 1.1901
diff -u -d -r1.1900 -r1.1901
--- ChangeLog 16 Nov 2005 16:09:49 -0000 1.1900
+++ ChangeLog 16 Nov 2005 16:49:48 -0000 1.1901
@@ -1,3 +1,24 @@
+2005-11-16 Andy Wingo <wi...@po...>
+
+ * gst/net/Makefile.am:
+ * gst/net/gstnet.h: New part of core to hold network elements and
+ objects. Put in core because it exposes API that applications want
+ to use. The library is named libgstnet-tempname right now because
+ of the existing libgstnet in gst-plugins-base. Solution is
+ probably to rename the one in plugins-base; will file a bug for
+ the freeze break.
+ * gst/net/gstnettimeprovider.c:
+ * gst/net/gstnettimeprovider.h: New object to export a GstClock's
+ get_time call over the network.
+ * configure.ac:
+ * gst/Makefile.am (lib_LTLIBRARIES): Add gstnet to the build.
+ * check/Makefile.am:
+ * check/net/gstnettimeprovider.c: A most minimal test suite. Will
+ get additions shortly.
2005-11-16 Thomas Vander Stichele <thomas at apestaart dot org>
* gst/gstpad.c: (gst_pad_new_from_static_template):
Index: configure.ac
RCS file: /cvs/gstreamer/gstreamer/configure.ac,v
retrieving revision 1.411
retrieving revision 1.412
diff -u -d -r1.411 -r1.412
--- configure.ac 11 Nov 2005 19:26:36 -0000 1.411
+++ configure.ac 16 Nov 2005 16:49:48 -0000 1.412
@@ -76,6 +76,8 @@
AM_CONDITIONAL(GST_DISABLE_ENUMTYPES, test "x$GST_DISABLE_ENUMTYPES" = "xyes")
GST_CHECK_SUBSYSTEM_DISABLE(INDEX,[index])
AM_CONDITIONAL(GST_DISABLE_INDEX, test "x$GST_DISABLE_INDEX" = "xyes")
+GST_CHECK_SUBSYSTEM_DISABLE(NET,[network distribution])
+AM_CONDITIONAL(GST_DISABLE_NET, test "x$GST_DISABLE_NET" = "xyes")
GST_CHECK_SUBSYSTEM_DISABLE(PLUGIN,[plugin])
AM_CONDITIONAL(GST_DISABLE_PLUGIN, test "x$GST_DISABLE_PLUGIN" = "xyes")
GST_CHECK_SUBSYSTEM_DISABLE(URI,[uri handlers])
@@ -469,6 +471,7 @@
gst/base/Makefile
gst/check/Makefile
gst/indexers/Makefile
+gst/net/Makefile
gst/elements/Makefile
gst/parse/Makefile
libs/Makefile
Index: Makefile.am
RCS file: /cvs/gstreamer/gstreamer/check/Makefile.am,v
retrieving revision 1.67
retrieving revision 1.68
diff -u -d -r1.67 -r1.68
--- Makefile.am 18 Oct 2005 17:06:28 -0000 1.67
+++ Makefile.am 16 Nov 2005 16:49:48 -0000 1.68
@@ -56,7 +56,8 @@
pipelines/cleanup \
states/sinks \
gst-libs/controller \
- gst-libs/gdp
+ gst-libs/gdp \
+ net/gstnettimeprovider
TESTS = $(check_PROGRAMS)
@@ -78,6 +79,10 @@
$(top_builddir)/libs/gst/controller/libgstcontroller-@GST_MAJORMINOR@.la \
$(LDADD)
+net_gstnettimeprovider_LDADD = \
+ $(top_builddir)/gst/net/libgstnet-tempname-@GST_MAJORMINOR@.la \
+ $(LDADD)
# valgrind testing
# these just need valgrind fixing, period
VALGRIND_TO_FIX = \
--- NEW FILE: gstnettimeprovider.c ---
/* GStreamer
* Copyright (C) 2005 Andy Wingo <wi...@po...>
*
* gstnettimeprovider.c: Unit test for the network time provider
* 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/net/gstnet.h>
GST_START_TEST (test_refcounts)
{
GstNetTimeProvider *ntp;
GstClock *clock;
clock = gst_system_clock_obtain ();
fail_unless (clock != NULL, "failed to get system clock");
/* one for gstreamer, one for us */
ASSERT_OBJECT_REFCOUNT (clock, "system clock", 2);
ntp = gst_net_time_provider_new (clock, NULL, -1);
fail_unless (ntp != NULL, "failed to create net time provider");
/* one for ntp, one for gstreamer, one for us */
ASSERT_OBJECT_REFCOUNT (clock, "system clock", 3);
/* one for us */
ASSERT_OBJECT_REFCOUNT (ntp, "net time provider", 1);
gst_object_unref (ntp);
ASSERT_OBJECT_REFCOUNT (clock, "net time provider", 2);
gst_object_unref (clock);
}
GST_END_TEST;
Suite *
gst_net_time_provider_suite (void)
Suite *s = suite_create ("GstNetTimeProvider");
TCase *tc_chain = tcase_create ("generic tests");
tcase_set_timeout (tc_chain, 0);
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_refcounts);
return s;
int
main (int argc, char **argv)
int nf;
Suite *s = gst_net_time_provider_suite ();
SRunner *sr = srunner_create (s);
gst_check_init (&argc, &argv);
srunner_run_all (sr, CK_NORMAL);
nf = srunner_ntests_failed (sr);
srunner_free (sr);
return nf;
RCS file: /cvs/gstreamer/gstreamer/gst/Makefile.am,v
retrieving revision 1.199
retrieving revision 1.200
diff -u -d -r1.199 -r1.200
--- Makefile.am 16 Nov 2005 11:29:57 -0000 1.199
+++ Makefile.am 16 Nov 2005 16:49:49 -0000 1.200
@@ -54,8 +54,22 @@
GST_URI_SRC = gsturi.c
endif
-SUBDIRS = $(SUBDIRS_PARSE) . base elements $(SUBDIRS_INDEX) $(SUBDIRS_CHECK)
-DIST_SUBDIRS = base elements parse indexers check
+if GST_DISABLE_NET
+SUBDIRS_NET =
+else
+SUBDIRS_NET = net
+endif
+SUBDIRS = \
+ $(SUBDIRS_PARSE) \
+ . \
+ base \
+ elements \
+ $(SUBDIRS_INDEX) \
+ $(SUBDIRS_NET) \
+ $(SUBDIRS_CHECK)
+DIST_SUBDIRS = base elements parse indexers net check
# make variables for all generated source and header files to make the
# distinction clear
--- NEW FILE: Makefile.am ---
# tempname needs to be removed as soon as the old gstnet is renamed to
# nethelper or something
lib_LTLIBRARIES = libgstnet-tempname-@GST_MAJORMINOR@.la
libgstnet_tempname_@GST_MAJORMINOR@_includedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/net
libgstnet_tempname_@GST_MAJORMINOR@_include_HEADERS = \
gstnet.h \
gstnettimeprovider.h
libgstnet_tempname_@GST_MAJORMINOR@_la_SOURCES = \
gstnettimeprovider.c
libgstnet_tempname_@GST_MAJORMINOR@_la_CFLAGS = $(GST_OBJ_CFLAGS)
libgstnet_tempname_@GST_MAJORMINOR@_la_LIBADD = $(GST_OBJ_LIBS)
libgstnet_tempname_@GST_MAJORMINOR@_la_LDFLAGS = $(GST_OBJ_LDFLAGS)
--- NEW FILE: gstnet.h ---
#ifndef __GST_NET_H__
#define __GST_NET_H__
#include <gst/net/gstnettimeprovider.h>
#endif /* __GST_NET_H__ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstnettimeprovider.h"
#include <unistd.h>
#include <sys/ioctl.h>
#ifdef HAVE_FIONREAD_IN_SYS_FILIO
#include <sys/filio.h>
GST_DEBUG_CATEGORY (ntp_debug);
#define GST_CAT_DEFAULT (ntp_debug)
/* the select call is also performed on the control sockets, that way
* we can send special commands to unblock or restart the select call */
#define CONTROL_RESTART 'R' /* restart the select call */
#define CONTROL_STOP 'S' /* stop the select call */
#define CONTROL_SOCKETS(self) self->control_sock
#define WRITE_SOCKET(self) self->control_sock[1]
#define READ_SOCKET(self) self->control_sock[0]
#define SEND_COMMAND(self, command) \
G_STMT_START { \
unsigned char c; c = command; \
write (WRITE_SOCKET(self), &c, 1); \
} G_STMT_END
#define READ_COMMAND(self, command, res) \
G_STMT_START { \
res = read(READ_SOCKET(self), &command, 1); \
#define DEFAULT_ADDRESS "0.0.0.0"
#define DEFAULT_PORT 5637
typedef struct
GstClockTime slave_time_sent;
GstClockTime master_time_received;
} NetworkTimePacket;
/* 2 * sizeof(GstClockTime), verified in base_init */
#define NETWORK_TIME_PACKET_SIZE 16
#define NETWORK_TIME_PACKET_SET_MASTER_TIME(p, t) \
GST_WRITE_UINT64_BE(p+8, t)
enum
PROP_0,
PROP_PORT,
PROP_ADDRESS,
PROP_CLOCK
/* FILL ME */
};
static gboolean gst_net_time_provider_start (GstNetTimeProvider * bself);
static void gst_net_time_provider_stop (GstNetTimeProvider * bself);
static gpointer gst_net_time_provider_thread (gpointer data);
static void gst_net_time_provider_finalize (GObject * object);
static void gst_net_time_provider_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_net_time_provider_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
#define _do_init(type) \
GST_DEBUG_CATEGORY_INIT (ntp_debug, "nettime", 0, "Network time provider");
GST_BOILERPLATE_FULL (GstNetTimeProvider, gst_net_time_provider, GstObject,
GST_TYPE_OBJECT, _do_init);
static void
gst_net_time_provider_base_init (gpointer g_class)
g_assert (sizeof (GstClockTime) == 8);
gst_net_time_provider_class_init (GstNetTimeProviderClass * klass)
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->finalize = gst_net_time_provider_finalize;
gobject_class->set_property = gst_net_time_provider_set_property;
gobject_class->get_property = gst_net_time_provider_get_property;
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PORT,
g_param_spec_int ("port", "port",
"The port to receive the packets from, -1=allocate", -1, 32768,
DEFAULT_PORT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_ADDRESS,
g_param_spec_string ("address", "address",
"The address to bind on, as a dotted quad (x.x.x.x)",
DEFAULT_ADDRESS, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_CLOCK,
g_param_spec_object ("clock", "Clock",
"The clock to export over the network", GST_TYPE_CLOCK,
G_PARAM_READWRITE));
gst_net_time_provider_init (GstNetTimeProvider * self,
GstNetTimeProviderClass * g_class)
self->port = DEFAULT_PORT;
self->sock = -1;
self->address = g_strdup (DEFAULT_ADDRESS);
self->thread = NULL;
READ_SOCKET (self) = -1;
WRITE_SOCKET (self) = -1;
gst_net_time_provider_finalize (GObject * object)
GstNetTimeProvider *self = GST_NET_TIME_PROVIDER (object);
if (self->thread) {
gst_net_time_provider_stop (self);
g_assert (self->thread == NULL);
}
if (READ_SOCKET (self) != -1) {
close (READ_SOCKET (self));
close (WRITE_SOCKET (self));
READ_SOCKET (self) = -1;
WRITE_SOCKET (self) = -1;
g_free (self->address);
self->address = NULL;
if (self->clock)
gst_object_unref (self->clock);
self->clock = NULL;
static gpointer
gst_net_time_provider_thread (gpointer data)
GstNetTimeProvider *self = data;
struct sockaddr_in tmpaddr;
socklen_t len;
fd_set read_fds;
guint max_sock;
gchar *pktdata;
gint ret;
while (TRUE) {
FD_ZERO (&read_fds);
FD_SET (self->sock, &read_fds);
FD_SET (READ_SOCKET (self), &read_fds);
max_sock = MAX (self->sock, READ_SOCKET (self));
GST_LOG_OBJECT (self, "doing select");
ret = select (max_sock + 1, &read_fds, NULL, NULL, NULL);
GST_LOG_OBJECT (self, "select returned %d", ret);
if (ret <= 0) {
if (errno != EAGAIN && errno != EINTR)
goto select_error;
else
continue;
} else if (FD_ISSET (READ_SOCKET (self), &read_fds)) {
/* got control message */
while (TRUE) {
gchar command;
int res;
READ_COMMAND (self, command, res);
if (res < 0) {
GST_LOG_OBJECT (self, "no more commands");
break;
}
switch (command) {
case CONTROL_STOP:
/* break out of the select loop */
GST_LOG_OBJECT (self, "stop");
goto stopped;
default:
GST_WARNING_OBJECT (self, "unkown");
g_warning ("nettimeprovider: unknown control message received");
continue;
g_assert_not_reached ();
}
continue;
} else {
/* got data in */
pktdata = g_malloc (NETWORK_TIME_PACKET_SIZE);
len = sizeof (struct sockaddr);
ret = recvfrom (self->sock, pktdata, NETWORK_TIME_PACKET_SIZE,
0, (struct sockaddr *) &tmpaddr, &len);
if (ret < 0) {
if (errno != EAGAIN && errno != EINTR)
goto receive_error;
else
} else if (ret < NETWORK_TIME_PACKET_SIZE) {
goto short_packet;
} else {
GstClockTime now;
now = gst_clock_get_time (self->clock);
NETWORK_TIME_PACKET_SET_MASTER_TIME (pktdata, time);
/* ignore errors */
sendto (self->sock, pktdata, ret, MSG_DONTWAIT,
(struct sockaddr *) &tmpaddr, len);
}
g_assert_not_reached ();
/* log errors and keep going */
select_error:
{
GST_DEBUG_OBJECT (self, "select error %d: %s (%d)", ret,
g_strerror (errno), errno);
short_packet:
GST_DEBUG_OBJECT (self, "someone sent us a short packet (%d < %d)",
ret, NETWORK_TIME_PACKET_SIZE);
stopped:
GST_DEBUG_OBJECT (self, "shutting down");
/* close socket */
return NULL;
receive_error:
g_free (pktdata);
GST_DEBUG_OBJECT (self, "receive error %d: %s (%d)", ret,
g_assert_not_reached ();
return NULL;
gst_net_time_provider_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
switch (prop_id) {
case PROP_PORT:
self->port = g_value_get_int (value);
break;
case PROP_ADDRESS:
g_free (self->address);
if (g_value_get_string (value) == NULL)
self->address = g_strdup (DEFAULT_ADDRESS);
self->address = g_strdup (g_value_get_string (value));
case PROP_CLOCK:
gst_object_replace ((GstObject **) & self->clock,
(GstObject *) g_value_get_object (value));
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
gst_net_time_provider_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
g_value_set_int (value, self->port);
g_value_set_string (value, self->address);
g_value_set_object (value, self->clock);
static gboolean
gst_net_time_provider_start (GstNetTimeProvider * self)
gint ru;
struct sockaddr_in my_addr;
guint len;
int port;
GError *error;
if ((ret = socket (AF_INET, SOCK_DGRAM, 0)) < 0)
goto no_socket;
self->sock = ret;
ru = 1;
ret = setsockopt (self->sock, SOL_SOCKET, SO_REUSEADDR, &ru, sizeof (ru));
if (ret < 0)
goto setsockopt_error;
memset (&my_addr, 0, sizeof (my_addr));
my_addr.sin_family = AF_INET; /* host byte order */
my_addr.sin_port = htons (self->port); /* short, network byte order */
my_addr.sin_addr.s_addr = INADDR_ANY;
if (self->address)
inet_aton (self->address, &my_addr.sin_addr);
GST_DEBUG_OBJECT (self, "binding on port %d", self->port);
ret = bind (self->sock, (struct sockaddr *) &my_addr, sizeof (my_addr));
goto bind_error;
len = sizeof (my_addr);
ret = getsockname (self->sock, (struct sockaddr *) &my_addr, &len);
goto getsockname_error;
port = ntohs (my_addr.sin_port);
GST_DEBUG_OBJECT (self, "bound, on port %d", port);
if (port != self->port) {
self->port = port;
GST_DEBUG_OBJECT (self, "notifying %d", port);
g_object_notify (G_OBJECT (self), "port");
self->thread = g_thread_create (gst_net_time_provider_thread, self, TRUE,
&error);
if (!self->thread)
goto no_thread;
return TRUE;
/* ERRORS */
no_socket:
{
GST_ERROR_OBJECT (self, "socket failed %d: %s (%d)", ret,
g_strerror (errno), errno);
return FALSE;
setsockopt_error:
close (self->sock);
self->sock = -1;
GST_ERROR_OBJECT (self, "setsockopt failed %d: %s (%d)", ret,
bind_error:
GST_ERROR_OBJECT (self, "bind failed %d: %s (%d)", ret,
getsockname_error:
GST_ERROR_OBJECT (self, "getsockname failed %d: %s (%d)", ret,
no_thread:
GST_ERROR_OBJECT (self, "could not create thread: %s", error->message);
g_error_free (error);
gst_net_time_provider_stop (GstNetTimeProvider * self)
SEND_COMMAND (self, CONTROL_STOP);
g_thread_join (self->thread);
if (self->sock != -1) {
/**
* gst_net_time_provider_new:
* @clock: a #GstClock to export over the network
* @address: an address to bind on as a dotted quad (xxx.xxx.xxx.xxx), or NULL
* to bind to all addresses
* @port: a port to bind on, or -1 to let the kernel choose
* Allows network clients to get the current time of @clock.
* Returns: The new #GstNetTimeProvider, or NULL on error.
GstNetTimeProvider *
gst_net_time_provider_new (GstClock * clock, const gchar * address, gint port)
GstNetTimeProvider *ret;
gint iret;
g_return_val_if_fail (clock && GST_IS_CLOCK (clock), NULL);
g_return_val_if_fail (port == -1 || port >= 0, NULL);
ret = g_object_new (GST_TYPE_NET_TIME_PROVIDER, "clock", clock, "address",
address, "port", port, NULL);
GST_DEBUG_OBJECT (ret, "creating socket pair");
if ((iret = socketpair (PF_UNIX, SOCK_STREAM, 0, CONTROL_SOCKETS (ret))) < 0)
goto no_socket_pair;
fcntl (READ_SOCKET (ret), F_SETFL, O_NONBLOCK);
fcntl (WRITE_SOCKET (ret), F_SETFL, O_NONBLOCK);
if (!gst_net_time_provider_start (ret))
goto failed_start;
/* all systems go, cap'n */
return ret;
no_socket_pair:
GST_ERROR_OBJECT (ret, "no socket pair %d: %s (%d)", iret,
gst_object_unref (ret);
return NULL;
failed_start:
/* already printed a nice error */
--- NEW FILE: gstnettimeprovider.h ---
#ifndef __GST_NET_TIME_PROVIDER_H__
#define __GST_NET_TIME_PROVIDER_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <fcntl.h>
#define GST_TYPE_NET_TIME_PROVIDER \
(gst_net_time_provider_get_type())
#define GST_NET_TIME_PROVIDER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NET_TIME_PROVIDER,GstNetTimeProvider))
#define GST_NET_TIME_PROVIDER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NET_TIME_PROVIDER,GstNetTimeProvider))
#define GST_IS_NET_TIME_PROVIDER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NET_TIME_PROVIDER))
#define GST_IS_NET_TIME_PROVIDER_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NET_TIME_PROVIDER))
typedef struct _GstNetTimeProvider GstNetTimeProvider;
typedef struct _GstNetTimeProviderClass GstNetTimeProviderClass;
struct _GstNetTimeProvider {
GstObject parent;
gchar *address;
int sock;
int control_sock[2];
GThread *thread;
struct _GstNetTimeProviderClass {
GstObjectClass parent_class;
GType gst_net_time_provider_get_type (void);
GstNetTimeProvider* gst_net_time_provider_new (GstClock *clock,
const gchar *address,
gint port);
G_END_DECLS
#endif /* __GST_NET_TIME_PROVIDER_H__ */
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