gstreamer/libs/gst/net/gstnetclientclock.h

/* GStreamer
 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
 *                    2005 Wim Taymans <wim@fluendo.com>
 *                    2005 Andy Wingo <wingo@pobox.com>
 *
 * gstnetclientclock.h: clock that synchronizes itself to a time provider over
 * the network
 *
 * 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.
 */


#ifndef __GST_NET_CLIENT_CLOCK_H__
#define __GST_NET_CLIENT_CLOCK_H__

#include <gst/gst.h>
#include <gst/gstsystemclock.h>

G_BEGIN_DECLS

#include <errno.h>
#include <string.h>
#include <sys/types.h>

#ifdef G_OS_WIN32
# include <winsock2.h>
#else
# include <netdb.h>
# include <sys/socket.h>
# include <netinet/in.h>
# include <arpa/inet.h>
#endif /*G_OS_WIN32 */

#include <fcntl.h>

#define GST_TYPE_NET_CLIENT_CLOCK \
  (gst_net_client_clock_get_type())
#define GST_NET_CLIENT_CLOCK(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NET_CLIENT_CLOCK,GstNetClientClock))
#define GST_NET_CLIENT_CLOCK_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NET_CLIENT_CLOCK,GstNetClientClockClass))
#define GST_IS_NET_CLIENT_CLOCK(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NET_CLIENT_CLOCK))
#define GST_IS_NET_CLIENT_CLOCK_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NET_CLIENT_CLOCK))

typedef struct _GstNetClientClock GstNetClientClock;
typedef struct _GstNetClientClockClass GstNetClientClockClass;

/**
 * GstNetClientClock:
 * @clock: the parent clock structure.
 *
 * Opaque #GstNetClientClock structure.
 */
struct _GstNetClientClock {
  GstSystemClock clock;

  /*< protected >*/
  gchar *address;
  gint port;
  
  /*< private >*/
  int sock;
  int control_sock[2];

  GstClockTime current_timeout;

  struct sockaddr_id *servaddr;

  GThread *thread;

  /*< private >*/
  gpointer _gst_reserved[GST_PADDING];
};

struct _GstNetClientClockClass {
  GstSystemClockClass parent_class;

  /*< private >*/
  gpointer _gst_reserved[GST_PADDING];
};

GType           gst_net_client_clock_get_type	(void);
GstClock*	gst_net_client_clock_new	(gchar *name, const gchar *remote_address,
                                                 gint remote_port, GstClockTime base_time);

G_END_DECLS

#endif /* __GST_NET_CLIENT_CLOCK_H__ */