/* GStreamer * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> * 2000 Wim Taymans <wtay@chello.be> * * audioclock.h: Clock for use by audio plugins * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __GST_AUDIO_CLOCK_H__ #define __GST_AUDIO_CLOCK_H__ #include <gst/gstsystemclock.h> G_BEGIN_DECLS #define GST_TYPE_AUDIO_CLOCK \ (gst_audio_clock_get_type()) #define GST_AUDIO_CLOCK(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_CLOCK,GstAudioClock)) #define GST_AUDIO_CLOCK_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_CLOCK,GstAudioClockClass)) #define GST_IS_AUDIO_CLOCK(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_CLOCK)) #define GST_IS_AUDIO_CLOCK_CLASS(obj) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_CLOCK)) typedef struct _GstAudioClock GstAudioClock; typedef struct _GstAudioClockClass GstAudioClockClass; typedef GstClockTime (*GstAudioClockGetTimeFunc) (GstClock *clock, gpointer user_data); struct _GstAudioClock { GstSystemClock clock; GstClockTime prev1, prev2; /* --- protected --- */ GstAudioClockGetTimeFunc func; gpointer user_data; GstClockTimeDiff adjust; GSList *async_entries; gboolean active; gpointer _gst_reserved[GST_PADDING]; }; struct _GstAudioClockClass { GstSystemClockClass parent_class; gpointer _gst_reserved[GST_PADDING]; }; GType gst_audio_clock_get_type (void); GstClock* gst_audio_clock_new (gchar *name, GstAudioClockGetTimeFunc func, gpointer user_data); void gst_audio_clock_set_active (GstAudioClock *aclock, gboolean active); void gst_audio_clock_update_time (GstAudioClock *aclock, GstClockTime time); G_END_DECLS #endif /* __GST_AUDIO_CLOCK_H__ */