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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch)
tree9047cf9e6b5c43878d5bf82660adae77ceee097a /arts/midi/miditimercommon.cc
downloadtdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz
tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/arts/midi/miditimercommon.cc b/arts/midi/miditimercommon.cc
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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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, 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));
+}