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81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* audioclock.h: Clock for use by audio plugins
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_AUDIO_CLOCK_H__
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#define __GST_AUDIO_CLOCK_H__
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#include <gst/gstsystemclock.h>
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G_BEGIN_DECLS
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#define GST_TYPE_AUDIO_CLOCK \
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(gst_audio_clock_get_type())
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#define GST_AUDIO_CLOCK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_CLOCK,GstAudioClock))
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#define GST_AUDIO_CLOCK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_CLOCK,GstAudioClockClass))
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#define GST_IS_AUDIO_CLOCK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_CLOCK))
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#define GST_IS_AUDIO_CLOCK_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_CLOCK))
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typedef struct _GstAudioClock GstAudioClock;
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typedef struct _GstAudioClockClass GstAudioClockClass;
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typedef GstClockTime (*GstAudioClockGetTimeFunc) (GstClock *clock, gpointer user_data);
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struct _GstAudioClock {
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GstSystemClock clock;
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GstClockTime prev1, prev2;
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/* --- protected --- */
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GstAudioClockGetTimeFunc func;
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gpointer user_data;
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GstClockTimeDiff adjust;
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GSList *async_entries;
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gboolean active;
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GST_OBJECT_PADDING
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};
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struct _GstAudioClockClass {
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GstSystemClockClass parent_class;
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GST_CLASS_PADDING
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};
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GType gst_audio_clock_get_type (void);
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GstClock* gst_audio_clock_new (gchar *name, GstAudioClockGetTimeFunc func,
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gpointer user_data);
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void gst_audio_clock_set_active (GstAudioClock *aclock, gboolean active);
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void gst_audio_clock_update_time (GstAudioClock *aclock, GstClockTime time);
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G_END_DECLS
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#endif /* __GST_AUDIO_CLOCK_H__ */
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