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106 lines
2.5 KiB
106 lines
2.5 KiB
15 years ago
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/*
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Copyright (C) 2001 Stefan Westerfeld
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stefan@space.twc.de
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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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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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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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15 years ago
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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15 years ago
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*/
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#include "artsmidi.h"
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#include "debug.h"
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#include "miditimercommon.h"
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using namespace std;
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using namespace Arts;
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namespace Arts {
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class SystemMidiTimerCommon : public MidiTimerCommon,
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public TimeNotify {
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protected:
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SystemMidiTimerCommon();
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virtual ~SystemMidiTimerCommon();
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public:
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// allocation: share one SystemMidiTimerCommon for everbody who needs one
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static SystemMidiTimerCommon *subscribe();
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void notifyTime();
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TimeStamp time();
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};
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}
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static SystemMidiTimerCommon *SystemMidiTimerCommon_the = 0;
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SystemMidiTimerCommon::SystemMidiTimerCommon()
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{
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SystemMidiTimerCommon_the = this;
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Dispatcher::the()->ioManager()->addTimer(10, this);
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}
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SystemMidiTimerCommon::~SystemMidiTimerCommon()
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{
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Dispatcher::the()->ioManager()->removeTimer(this);
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SystemMidiTimerCommon_the = 0;
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}
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TimeStamp SystemMidiTimerCommon::time()
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{
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timeval tv;
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gettimeofday(&tv,0);
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return TimeStamp(tv.tv_sec, tv.tv_usec);
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}
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void SystemMidiTimerCommon::notifyTime()
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{
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processQueue();
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}
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SystemMidiTimerCommon *SystemMidiTimerCommon::subscribe()
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{
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if(!SystemMidiTimerCommon_the) new SystemMidiTimerCommon();
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SystemMidiTimerCommon_the->refCount++;
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return SystemMidiTimerCommon_the;
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}
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class SystemMidiTimer_impl : public SystemMidiTimer_skel {
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protected:
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SystemMidiTimerCommon *timer;
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public:
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SystemMidiTimer_impl()
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{
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timer = SystemMidiTimerCommon::subscribe();
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}
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~SystemMidiTimer_impl()
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{
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timer->unsubscribe();
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}
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TimeStamp time()
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{
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return timer->time();
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}
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void queueEvent(MidiPort port, const MidiEvent& event)
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{
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timer->queueEvent(port, event);
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}
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};
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namespace Arts {
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REGISTER_IMPLEMENTATION(SystemMidiTimer_impl);
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}
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