gstreamer/libs/gst/net/gstnetclientclock.h

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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2005 Wim Taymans <wim@fluendo.com>
* 2005 Andy Wingo <wingo@pobox.com>
* Copyright (C) 2012 Collabora Ltd. <tim.muller@collabora.co.uk>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_NET_CLIENT_CLOCK_H__
#define __GST_NET_CLIENT_CLOCK_H__
#include <gst/gst.h>
#include <gst/gstsystemclock.h>
G_BEGIN_DECLS
#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;
typedef struct _GstNetClientClockPrivate GstNetClientClockPrivate;
/**
* GstNetClientClock:
*
* Opaque #GstNetClientClock structure.
*/
struct _GstNetClientClock {
GstSystemClock clock;
gst/base/gstbasesink.*: No need to store the clock, the parent element class already has it. Original commit message from CVS: * gst/base/gstbasesink.c: (gst_base_sink_class_init), (gst_base_sink_wait), (gst_base_sink_do_sync), (gst_base_sink_handle_event): * gst/base/gstbasesink.h: No need to store the clock, the parent element class already has it. * gst/gstbin.c: (gst_bin_set_clock_func), (gst_bin_add_func): Updates for clock_set returning a gboolean * gst/gstclock.c: (gst_clock_entry_new), (gst_clock_id_wait), (gst_clock_id_wait_async), (gst_clock_class_init), (gst_clock_init), (gst_clock_finalize), (gst_clock_get_internal_time), (gst_clock_get_time), (gst_clock_slave_callback), (gst_clock_set_master), (gst_clock_get_master), (do_linear_regression), (gst_clock_add_observation), (gst_clock_set_property), (gst_clock_get_property): * gst/gstclock.h: Implement master/slave. When setting a clock as a slave, a periodic timeout is scheduled to sample master and slave times. Then the slave clock is recalibrated to match offset and rate of the master clock. Update logging a bit. Add flag so that a clock can state that is cannot be slaved to another clock. * gst/gstelement.c: (gst_element_set_clock): * gst/gstelement.h: The set_clock returns a gboolean for when an element cannot deal with the selected clock in the pipeline. * gst/gstpipeline.c: (gst_pipeline_change_state), (gst_pipeline_set_clock): * gst/gstpipeline.h: Handle the case where the selected clock cannot be set on the pipeline. * gst/net/gstnetclientclock.c: (gst_net_client_clock_class_init), (gst_net_client_clock_init), (gst_net_client_clock_finalize), (gst_net_client_clock_set_property), (gst_net_client_clock_get_property), (gst_net_client_clock_observe_times): * gst/net/gstnetclientclock.h: Use regression code in GstClock parent, remove duplicated functionality.
2005-11-22 18:28:44 +00:00
/*< private >*/
GstNetClientClockPrivate *priv;
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 (const gchar *name, const gchar *remote_address,
gint remote_port, GstClockTime base_time);
#define GST_TYPE_NTP_CLOCK \
(gst_ntp_clock_get_type())
#define GST_NTP_CLOCK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NTP_CLOCK,GstNtpClock))
#define GST_NTP_CLOCK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NTP_CLOCK,GstNtpClockClass))
#define GST_IS_NTP_CLOCK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NTP_CLOCK))
#define GST_IS_NTP_CLOCK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NTP_CLOCK))
typedef struct _GstNetClientClock GstNtpClock;
typedef struct _GstNetClientClockClass GstNtpClockClass;
GType gst_ntp_clock_get_type (void);
GstClock* gst_ntp_clock_new (const gchar *name, const gchar *remote_address,
gint remote_port, GstClockTime base_time);
#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstNetClientClock, gst_object_unref)
#endif
#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstNtpClock, gst_object_unref)
#endif
G_END_DECLS
#endif /* __GST_NET_CLIENT_CLOCK_H__ */