1 files changed, 79 insertions, 0 deletions
diff --git a/arts/midi/audiosync_impl.h b/arts/midi/audiosync_impl.h
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+++ b/arts/midi/audiosync_impl.h
@@ -0,0 +1,79 @@
+    /*
+
+    Copyright (C) 2001-2002 Stefan Westerfeld
+                            stefan@space.twc.de
+
+    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; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+    Boston, MA 02111-1307, USA.
+
+    */
+
+#ifndef AUDIOSYNC_IMPL_H
+#define AUDIOSYNC_IMPL_H
+
+#include "artsmidi.h"
+#include "audiotimer.h"
+
+namespace Arts {
+	
+class MidiSyncGroup_impl;
+class AudioSync_impl : virtual public AudioSync_skel,
+                       virtual public AudioTimerCallback
+{
+	AudioTimer *timer;
+
+	struct AudioSyncEvent
+	{
+		TimeStamp time;
+		std::list<SynthModule> startModules;
+		std::list<SynthModule> stopModules;
+
+		void execute();
+	};
+	std::list<AudioSyncEvent *> events;
+	AudioSyncEvent *newEvent;
+	MidiSyncGroup_impl *syncGroup;
+	TimeStamp syncOffset;
+
+	TimeStamp audioTime();
+	TimeStamp audioPlayTime();
+
+public:
+	AudioSync_impl();
+	~AudioSync_impl();
+
+	// public interface
+    TimeStamp time();
+	TimeStamp playTime();
+
+    void queueStart(SynthModule synthModule);
+    void queueStop(SynthModule synthModule);
+    void execute();
+    void executeAt(const TimeStamp& timeStamp);
+
+	// interface to AudioTimer
+	void updateTime();
+
+	// interface to MidiSyncGroup
+	static AudioSync_impl *find(AudioSync audioSync);
+
+	void synchronizeTo(const TimeStamp& time);
+	void setSyncGroup(MidiSyncGroup_impl *syncGroup);
+	TimeStamp clientTime();
+};
+
+}
+
+#endif /* AUDIOSYNC_IMPL_H */