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Diffstat (limited to 'include/gst/gstsystemclock.h')
-rw-r--r-- | include/gst/gstsystemclock.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/include/gst/gstsystemclock.h b/include/gst/gstsystemclock.h new file mode 100644 index 0000000000..01b1f22a47 --- /dev/null +++ b/include/gst/gstsystemclock.h @@ -0,0 +1,97 @@ +/* GStreamer + * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> + * 2000 Wim Taymans <wtay@chello.be> + * 2005 Wim Taymans <wim@fluendo.com> + * + * gstsystemclock.h: A clock implementation based on system time + * + * 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_SYSTEM_CLOCK_H__ +#define __GST_SYSTEM_CLOCK_H__ + +#include <gst/gstclock.h> + +G_BEGIN_DECLS + +#define GST_TYPE_SYSTEM_CLOCK (gst_system_clock_get_type ()) +#define GST_SYSTEM_CLOCK(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_SYSTEM_CLOCK, GstSystemClock)) +#define GST_SYSTEM_CLOCK_CAST(obj) ((GstSystemClock *)(obj)) +#define GST_IS_SYSTEM_CLOCK(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_SYSTEM_CLOCK)) +#define GST_SYSTEM_CLOCK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_SYSTEM_CLOCK, GstSystemClockClass)) +#define GST_IS_SYSTEM_CLOCK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_SYSTEM_CLOCK)) +#define GST_SYSTEM_CLOCK_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_SYSTEM_CLOCK, GstSystemClockClass)) + + +typedef struct _GstSystemClock GstSystemClock; +typedef struct _GstSystemClockClass GstSystemClockClass; +typedef struct _GstSystemClockPrivate GstSystemClockPrivate; + +/** + * GstClockType: + * @GST_CLOCK_TYPE_REALTIME: time since Epoch + * @GST_CLOCK_TYPE_MONOTONIC: monotonic time since some unspecified starting + * point + * @GST_CLOCK_TYPE_OTHER: some other time source is used (Since: 1.0.5) + * @GST_CLOCK_TYPE_TAI: time since Epoch, but using International Atomic Time + * as reference (Since: 1.18) + * + * The different kind of clocks. + */ +typedef enum { + GST_CLOCK_TYPE_REALTIME = 0, + GST_CLOCK_TYPE_MONOTONIC = 1, + GST_CLOCK_TYPE_OTHER = 2, + GST_CLOCK_TYPE_TAI = 3 +} GstClockType; + +/** + * GstSystemClock: + * + * The default implementation of a #GstClock that uses the system time. + */ +struct _GstSystemClock { + GstClock clock; + + /*< private >*/ + GstSystemClockPrivate *priv; + + gpointer _gst_reserved[GST_PADDING]; +}; + +struct _GstSystemClockClass { + GstClockClass parent_class; + + /*< private >*/ + gpointer _gst_reserved[GST_PADDING]; +}; + +GST_API +GType gst_system_clock_get_type (void); + +GST_API +GstClock* gst_system_clock_obtain (void); + +GST_API +void gst_system_clock_set_default (GstClock *new_clock); + +G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstSystemClock, gst_object_unref) + +G_END_DECLS + +#endif /* __GST_SYSTEM_CLOCK_H__ */ |