//
// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Sun Apr 15 10:43:19 PDT 2018
// Last Modified: Sun Apr 15 11:01:11 PDT 2018
// Filename:      tools/removenote.cpp
// URL:           https://github.com/craigsapp/midifile/blob/master/tools/removenote.cpp
// Syntax:        C++11
// vim:           ts=3
//
// Description:   Demonstration of how to remove a MIDI message.
//

#include "MidiFile.h"

#include <iostream>

using namespace std;
using namespace smf;


///////////////////////////////////////////////////////////////////////////

int main(int argc, char** argv) {
	MidiFile midifile;
	int track   = 0;
	int channel = 0;
	midifile.addNoteOn(track,  1, channel, 60, 64);
	midifile.addNoteOn(track,  2, channel, 60,  0);
	midifile.addNoteOn(track,  3, channel, 61, 64);
	midifile.addNoteOn(track,  4, channel, 61,  0);
	midifile.addNoteOn(track,  5, channel, 62, 64);
	midifile.addNoteOn(track,  6, channel, 62,  0);
	midifile.addNoteOn(track,  7, channel, 63, 64);
	midifile.addNoteOn(track,  8, channel, 63,  0);
	midifile.addNoteOn(track,  9, channel, 64, 64);
	midifile.addNoteOn(track, 10, channel, 64,  0);
	midifile.addNoteOn(track, 11, channel, 65, 64);
	midifile.addNoteOn(track, 12, channel, 65,  0);

	// Delete any MIDI message that is a note message on key 63:
	int removekey = 63;
	for (int i=0; i<midifile[0].getSize(); i++) {
		if (!midifile[0][i].isNote()) {
			continue;
		}
		if (midifile[0][i].getP1() == removekey) {
			midifile[0][i].clear();
		}
	}

	// calling MidiFile::removeEmpties() is optional, since
	// writing the MidiFile will automatically skip over any
	// MIDI events with no message content:
	midifile.removeEmpties();

	cout << midifile;
}