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/*
Copyright (C) 2001 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.
*/
#include "artsmidi.h"
#include "debug.h"
#include "miditimercommon.h"
#include "math.h"
#undef DEBUG_JITTER
using namespace std;
using namespace Arts;
MidiTimerCommon::MidiTimerCommon() :refCount(0)
{
refCount = 0;
}
MidiTimerCommon::~MidiTimerCommon()
{
arts_assert(refCount == 0);
}
void MidiTimerCommon::processQueue()
{
TimeStamp now = time();
list<TSNote>::iterator n = noteQueue.begin();
while(n != noteQueue.end())
{
TSNote& note = *n;
TimeStamp& noteTime = note.event.time;
if( now.sec > noteTime.sec
|| ((now.sec == noteTime.sec) && (now.usec > noteTime.usec)))
{
#ifdef DEBUG_JITTER
float jitter = (now.sec-noteTime.sec) * 1000.0;
jitter += (float)(now.usec-noteTime.usec) / 1000.0;
arts_debug("midi jitter: %f",jitter);
#endif
note.port.processCommand(note.event.command);
n = noteQueue.erase(n);
}
else n++;
}
}
void MidiTimerCommon::queueEvent(MidiPort port,const MidiEvent& event)
{
noteQueue.push_back(TSNote(port, event));
}
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