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/*
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, 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 */
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