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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
* 2005 Wim Taymans <wim@fluendo.com>
* Copyright (C) 2020 Jan Schmidt <jan@centricular.com>
*
* gstclocksync.h:
*
* 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_CLOCKSYNC_H__
#define __GST_CLOCKSYNC_H__
#include <gst/gst.h>
G_BEGIN_DECLS
/* #defines don't like whitespacey bits */
#define GST_TYPE_CLOCKSYNC \
(gst_clock_sync_get_type())
#define GST_CLOCKSYNC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CLOCKSYNC,GstClockSync))
#define GST_CLOCKSYNC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CLOCKSYNC,GstClockSyncClass))
#define GST_IS_CLOCKSYNC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CLOCKSYNC))
#define GST_IS_CLOCKSYNC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CLOCKSYNC))
typedef struct _GstClockSync GstClockSync;
typedef struct _GstClockSyncClass GstClockSyncClass;
struct _GstClockSync
{
GstElement element;
/*< private >*/
GstPad *sinkpad, *srcpad;
GstSegment segment;
GstClockID clock_id;
gboolean flushing;
gboolean sync;
gdouble rate;
GCond blocked_cond;
gboolean blocked;
GstClockTimeDiff ts_offset;
gboolean sync_to_first;
gboolean is_first;
GstClockTime upstream_latency;
/* QoS */
gboolean qos_enabled;
// With STREAM_LOCK {
GstClockTime earliest_in_time;
GstClockTime current_rstart;
GstClockTimeDiff current_jitter;
GstClockTime avg_pt, avg_in_diff;
gdouble avg_rate; /* average with infinite window */
/* when the last buffer left the sink, running time */
GstClockTime last_left;
/* the running time of the previous buffer */
GstClockTime prev_rstart;
// } With STREAM_LOCK
};
struct _GstClockSyncClass
{
GstElementClass parent_class;
};
GType gst_clock_sync_get_type (void);
G_END_DECLS
#endif /* __GST_CLOCKSYNC_H__ */
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