*
* Constant to define an undefined clock time.
*/
-#define GST_CLOCK_STIME_NONE G_MININT64
+#define GST_CLOCK_STIME_NONE ((GstClockTimeDiff)G_MININT64)
/**
* GST_CLOCK_STIME_IS_VALID:
* @time: signed clock time to validate
*/
#define GST_CLOCK_STIME_IS_VALID(time) (((GstClockTimeDiff)(time)) != GST_CLOCK_STIME_NONE)
-/* FIXME: still need to explicitly force types on the defines below */
/**
- * GST_SECOND: (value 1000000000) (type GstClockTime)
+ * GST_SECOND: (value 1000000000) (type GstClockTimeDiff)
*
* Constant that defines one GStreamer second.
*/
-#define GST_SECOND (G_USEC_PER_SEC * G_GINT64_CONSTANT (1000))
+#define GST_SECOND ((GstClockTimeDiff)(G_USEC_PER_SEC * G_GINT64_CONSTANT (1000)))
/**
- * GST_MSECOND: (value 1000000) (type GstClockTime)
+ * GST_MSECOND: (value 1000000) (type GstClockTimeDiff)
*
* Constant that defines one GStreamer millisecond.
*/
-#define GST_MSECOND (GST_SECOND / G_GINT64_CONSTANT (1000))
+#define GST_MSECOND ((GstClockTimeDiff)(GST_SECOND / G_GINT64_CONSTANT (1000)))
/**
- * GST_USECOND: (value 1000) (type GstClockTime)
+ * GST_USECOND: (value 1000) (type GstClockTimeDiff)
*
* Constant that defines one GStreamer microsecond.
*/
-#define GST_USECOND (GST_SECOND / G_GINT64_CONSTANT (1000000))
+#define GST_USECOND ((GstClockTimeDiff)(GST_SECOND / G_GINT64_CONSTANT (1000000)))
/**
- * GST_NSECOND: (value 1) (type GstClockTime)
+ * GST_NSECOND: (value 1) (type GstClockTimeDiff)
*
* Constant that defines one GStreamer nanosecond
*/
-#define GST_NSECOND (GST_SECOND / G_GINT64_CONSTANT (1000000000))
+#define GST_NSECOND ((GstClockTimeDiff)(GST_SECOND / G_GINT64_CONSTANT (1000000000)))
/**
*
* Convert a #GstClockTime to a #GTimeVal
*
- * <note>on 32-bit systems, a timeval has a range of only 2^32 - 1 seconds,
- * which is about 68 years. Expect trouble if you want to schedule stuff
- * in your pipeline for 2038.</note>
+ * > on 32-bit systems, a timeval has a range of only 2^32 - 1 seconds,
+ * > which is about 68 years. Expect trouble if you want to schedule stuff
+ * > in your pipeline for 2038.
*/
#define GST_TIME_TO_TIMEVAL(t,tv) \
G_STMT_START { \
* the matching arguments.
*
* Example:
- * |[
+ * |[<!-- language="C" -->
* printf("%" GST_TIME_FORMAT "\n", GST_TIME_ARGS(ts));
* ]|
*/
gpointer _gst_reserved[GST_PADDING];
};
+GST_API
GType gst_clock_get_type (void);
+GST_API
GstClockTime gst_clock_set_resolution (GstClock *clock,
GstClockTime resolution);
+GST_API
GstClockTime gst_clock_get_resolution (GstClock *clock);
+GST_API
GstClockTime gst_clock_get_time (GstClock *clock);
+
+GST_API
void gst_clock_set_calibration (GstClock *clock, GstClockTime internal,
GstClockTime external,
GstClockTime rate_num,
GstClockTime rate_denom);
+GST_API
void gst_clock_get_calibration (GstClock *clock, GstClockTime *internal,
GstClockTime *external,
GstClockTime *rate_num,
GstClockTime *rate_denom);
/* master/slave clocks */
+
+GST_API
gboolean gst_clock_set_master (GstClock *clock, GstClock *master);
+
+GST_API
GstClock* gst_clock_get_master (GstClock *clock);
+GST_API
void gst_clock_set_timeout (GstClock *clock,
GstClockTime timeout);
+GST_API
GstClockTime gst_clock_get_timeout (GstClock *clock);
+GST_API
gboolean gst_clock_add_observation (GstClock *clock, GstClockTime slave,
GstClockTime master, gdouble *r_squared);
-
+GST_API
gboolean gst_clock_add_observation_unapplied (GstClock *clock, GstClockTime slave,
GstClockTime master, gdouble *r_squared,
GstClockTime *internal,
GstClockTime *rate_denom);
/* getting and adjusting internal/external time */
+
+GST_API
GstClockTime gst_clock_get_internal_time (GstClock *clock);
+
+GST_API
GstClockTime gst_clock_adjust_unlocked (GstClock *clock, GstClockTime internal);
+
+GST_API
GstClockTime gst_clock_adjust_with_calibration (GstClock *clock,
GstClockTime internal_target,
GstClockTime cinternal,
GstClockTime cexternal,
GstClockTime cnum,
GstClockTime cdenom);
+GST_API
+GstClockTime gst_clock_unadjust_with_calibration (GstClock *clock,
+ GstClockTime external_target,
+ GstClockTime cinternal,
+ GstClockTime cexternal,
+ GstClockTime cnum,
+ GstClockTime cdenom);
+GST_API
GstClockTime gst_clock_unadjust_unlocked (GstClock * clock, GstClockTime external);
/* waiting for, signalling and checking for synchronization */
+
+GST_API
gboolean gst_clock_wait_for_sync (GstClock * clock, GstClockTime timeout);
+
+GST_API
gboolean gst_clock_is_synced (GstClock * clock);
/* to be used by subclasses only */
+
+GST_API
void gst_clock_set_synced (GstClock * clock, gboolean synced);
/* creating IDs that can be used to get notifications */
+
+GST_API
GstClockID gst_clock_new_single_shot_id (GstClock *clock,
GstClockTime time);
+GST_API
GstClockID gst_clock_new_periodic_id (GstClock *clock,
GstClockTime start_time,
GstClockTime interval);
/* reference counting */
+
+GST_API
GstClockID gst_clock_id_ref (GstClockID id);
+
+GST_API
void gst_clock_id_unref (GstClockID id);
/* operations on IDs */
+
+GST_API
gint gst_clock_id_compare_func (gconstpointer id1, gconstpointer id2);
+GST_API
GstClockTime gst_clock_id_get_time (GstClockID id);
+
+GST_API
GstClockReturn gst_clock_id_wait (GstClockID id,
GstClockTimeDiff *jitter);
+GST_API
GstClockReturn gst_clock_id_wait_async (GstClockID id,
GstClockCallback func,
gpointer user_data,
GDestroyNotify destroy_data);
+GST_API
void gst_clock_id_unschedule (GstClockID id);
+GST_API
gboolean gst_clock_single_shot_id_reinit (GstClock * clock,
GstClockID id,
GstClockTime time);
+GST_API
gboolean gst_clock_periodic_id_reinit (GstClock * clock,
GstClockID id,
GstClockTime start_time,
GstClockTime interval);
+#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstClock, gst_object_unref)
+#endif
+
G_END_DECLS
#endif /* __GST_CLOCK_H__ */