mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-17 05:46:36 +00:00
152 lines
6.1 KiB
C
152 lines
6.1 KiB
C
/* GStreamer
|
|
* Copyright (C) 2015 Sebastian Dröge <sebastian@centricular.com>
|
|
*
|
|
*
|
|
* 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_PTP_CLOCK_H__
|
|
#define __GST_PTP_CLOCK_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/gstsystemclock.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_PTP_CLOCK \
|
|
(gst_ptp_clock_get_type())
|
|
#define GST_PTP_CLOCK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PTP_CLOCK,GstPtpClock))
|
|
#define GST_PTP_CLOCK_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PTP_CLOCK,GstPtpClockClass))
|
|
#define GST_IS_PTP_CLOCK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PTP_CLOCK))
|
|
#define GST_IS_PTP_CLOCK_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PTP_CLOCK))
|
|
|
|
typedef struct _GstPtpClock GstPtpClock;
|
|
typedef struct _GstPtpClockClass GstPtpClockClass;
|
|
typedef struct _GstPtpClockPrivate GstPtpClockPrivate;
|
|
|
|
/**
|
|
* GstPtpClock:
|
|
*
|
|
* Opaque #GstPtpClock structure.
|
|
*/
|
|
struct _GstPtpClock {
|
|
GstSystemClock clock;
|
|
|
|
/*< private >*/
|
|
GstPtpClockPrivate *priv;
|
|
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
/**
|
|
* GstPtpClockClass:
|
|
* @parent_class: parented to #GstSystemClockClass
|
|
*
|
|
* Opaque #GstPtpClockClass structure.
|
|
*/
|
|
struct _GstPtpClockClass {
|
|
GstSystemClockClass parent_class;
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
/**
|
|
* GST_PTP_CLOCK_ID_NONE:
|
|
* PTP clock identification that can be passed to gst_ptp_init() to
|
|
* automatically select one based on the MAC address of interfaces
|
|
*/
|
|
#define GST_PTP_CLOCK_ID_NONE ((guint64) -1)
|
|
|
|
GType gst_ptp_clock_get_type (void);
|
|
|
|
gboolean gst_ptp_is_supported (void);
|
|
gboolean gst_ptp_is_initialized (void);
|
|
gboolean gst_ptp_init (guint64 clock_id,
|
|
gchar ** interfaces);
|
|
void gst_ptp_deinit (void);
|
|
|
|
#define GST_PTP_STATISTICS_NEW_DOMAIN_FOUND "GstPtpStatisticsNewDomainFound"
|
|
#define GST_PTP_STATISTICS_BEST_MASTER_CLOCK_SELECTED "GstPtpStatisticsBestMasterClockSelected"
|
|
#define GST_PTP_STATISTICS_PATH_DELAY_MEASURED "GstPtpStatisticsPathDelayMeasured"
|
|
#define GST_PTP_STATISTICS_TIME_UPDATED "GstPtpStatisticsTimeUpdated"
|
|
|
|
/**
|
|
* GstPtpStatisticsCallback:
|
|
* @domain: PTP domain identifier
|
|
* @stats: New statistics
|
|
* @user_data: Data passed to gst_ptp_statistics_callback_add()
|
|
*
|
|
* The statistics can be the following structures:
|
|
*
|
|
* GST_PTP_STATISTICS_NEW_DOMAIN_FOUND:
|
|
* "domain" G_TYPE_UINT The domain identifier of the domain
|
|
* "clock" GST_TYPE_CLOCK The internal clock that is slaved to the
|
|
* PTP domain
|
|
*
|
|
* GST_PTP_STATISTICS_BEST_MASTER_CLOCK_SELECTED:
|
|
* "domain" G_TYPE_UINT The domain identifier of the domain
|
|
* "master-clock-id" G_TYPE_UINT64 PTP clock identifier of the selected master
|
|
* clock
|
|
* "master-clock-port" G_TYPE_UINT PTP port number of the selected master clock
|
|
* "grandmaster-clock-id" G_TYPE_UINT64 PTP clock identifier of the grandmaster clock
|
|
*
|
|
* GST_PTP_STATISTICS_PATH_DELAY_MEASURED:
|
|
* "domain" G_TYPE_UINT The domain identifier of the domain
|
|
* "mean-path-delay-avg" GST_TYPE_CLOCK_TIME Average mean path delay
|
|
* "mean-path-delay" GST_TYPE_CLOCK_TIME Latest mean path delay
|
|
* "delay-request-delay" GST_TYPE_CLOCK_TIME Delay of DELAY_REQ / DELAY_RESP messages
|
|
*
|
|
* GST_PTP_STATISTICS_TIME_UPDATED:
|
|
* "domain" G_TYPE_UINT The domain identifier of the domain
|
|
* "mean-path-delay-avg" GST_TYPE_CLOCK_TIME Average mean path delay
|
|
* "local-time" GST_TYPE_CLOCK_TIME Local time that corresponds to ptp-time
|
|
* "ptp-time" GST_TYPE_CLOCK_TIME Newly measured PTP time at local-time
|
|
* "estimated-ptp-time" GST_TYPE_CLOCK_TIME Estimated PTP time based on previous measurements
|
|
* "discontinuity" G_TYPE_INT64 Difference between estimated and measured PTP time
|
|
* "synced" G_TYPE_BOOLEAN Currently synced to the remote clock
|
|
* "r-squared" G_TYPE_DOUBLE R² of clock estimation regression
|
|
* "internal-time" GST_TYPE_CLOCK_TIME Internal time clock parameter
|
|
* "external-time" GST_TYPE_CLOCK_TIME External time clock parameter
|
|
* "rate-num" G_TYPE_UINT64 Internal/external rate numerator
|
|
* "rate-den" G_TYPE_UINT64 Internal/external rate denominator
|
|
* "rate" G_TYPE_DOUBLE Internal/external rate
|
|
*
|
|
* If %FALSE is returned, the callback is removed and never called again.
|
|
*
|
|
*/
|
|
typedef gboolean (*GstPtpStatisticsCallback) (guint8 domain,
|
|
const GstStructure * stats,
|
|
gpointer user_data);
|
|
gulong gst_ptp_statistics_callback_add (GstPtpStatisticsCallback callback,
|
|
gpointer user_data, GDestroyNotify destroy_data);
|
|
void gst_ptp_statistics_callback_remove (gulong id);
|
|
|
|
GstClock* gst_ptp_clock_new (const gchar *name,
|
|
guint domain);
|
|
|
|
#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
|
|
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstPtpClock, gst_object_unref)
|
|
#endif
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_PTP_CLOCK_H__ */
|
|
|