Initial

midiseq/mididata.cpp

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+#include <midiseq/mididata.hpp>
+
+MidiData::MidiData(const String &midiPathFileName)
+: mTimerCallback(this,&MidiData::timerEvent),
+	mMidiFile(midiPathFileName,FileIO::BigEndian), MidiTrack(mMidiFile)
+{
+  insertHandler(&mTimerCallback);
+	if(!readHeader(mMidiFile))return;
+	::OutputDebugString(String("[MidiData::MidiData]MIDI header=")+String(MidiHeader::toString()+String("\n")).str());
+	setMethod(timingMethod());
+	mStartOfTracks=mMidiFile.tell();
+}
+
+MidiData::~MidiData()
+{
+	stopTimer();
+  mMIDIOutDevice.closeDevice();
+}
+
+bool MidiData::play(WORD blocking)
+{
+	if(!makeRealTime())return false;
+	startTimer(TimerDelay);
+	if(blocking)waitEvent();
+  return true;
+}
+
+bool MidiData::makeRealTime(void)
+{
+	TimeBlock timeBlock;
+
+	if(!tracks())return false;
+	mCurrentTrack=0;
+	mMidiFile.seek(mStartOfTracks,FileIO::SeekBeginning);
+	while(readTrack())mCurrentTrack++;
+	timeBlock.setDivision(method());
+	timeBlock.setStartTime(getSystemTime()+TwoSecs);
+	timeBlock.fixTimeBlock(mMIDIEvents);
+	mMIDISequencer.setData(mMIDIEvents);
+  return true;
+}
+
+CallbackData::ReturnType MidiData::timerEvent(CallbackData &/*someCallbackData*/)
+{
+  if(!mMIDISequencer.sequence(mMIDIOutDevice))return closeDevice();
+	return true;
+}
+
+CallbackData::ReturnType MidiData::closeDevice(void)
+{
+  mMIDIOutDevice.closeDevice();
+  return (CallbackData::ReturnType)FALSE;
+}
+
+// virtual overloads  
+
+void MidiData::midiChannelMessage(PureEvent &midiEvent)
+{
+  midiEvent.tempo(mCurrentTempo.microsecsPerQtrNote());
+	mMIDIEvents[mCurrentTrack].insert(&midiEvent);
+	return;
+}
+
+void MidiData::setTempo(DWORD microsecsPerQtrNote)
+{
+  mCurrentTempo.microsecsPerQtrNote(microsecsPerQtrNote);
+	return;
+}
+
+void MidiData::smpteFormat(const SMPTEFormat &someSMPTEFormat)
+{
+	mSMPTEFormat=someSMPTEFormat;
+	return;  
+}
+
+void MidiData::timeSignature(const TimeInfo &/*someTimeInfo*/)
+{
+	return;
+}