88 lines
1.8 KiB
C++
88 lines
1.8 KiB
C++
//
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// Programmer: Craig Stuart Sapp <craig@ccrma.stanford.edu>
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// Creation Date: Mon Jul 3 07:24:54 PDT 2023
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// Last Modified: Mon Jul 3 07:24:58 PDT 2023
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// Filename: tools/midirange.cpp
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// URL: https://github.com/craigsapp/midifile/blob/master/tools/midirange.cpp
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// Syntax: C++11
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// vim: ts=3
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//
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// Description: Note pitch range in data, highest note first, then lowest.
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// Ignoring channel 10 (0x09).
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//
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#include "MidiFile.h"
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#include "Options.h"
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#include <iostream>
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using namespace std;
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using namespace smf;
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void processFile(MidiFile& midifile, Options& options);
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///////////////////////////////////////////////////////////////////////////
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int main(int argc, char** argv) {
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Options options;
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options.process(argc, argv);
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MidiFile midifile;
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if (options.getArgCount() == 0) {
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midifile.read(cin);
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processFile(midifile, options);
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} else {
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int count = options.getArgCount();
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for (int i=0; i<count; i++) {
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string filename = options.getArg(i+1);
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if (count > 1) {
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cout << filename << "\t";
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}
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midifile.read(filename);
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processFile(midifile, options);
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}
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}
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////
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//////////////////////////////
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//
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// processFile --
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//
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void processFile(MidiFile& midifile, Options& options) {
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midifile.linkNotePairs();
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midifile.joinTracks();
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int highest = -1;
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int lowest = 128;
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for (int e=0; e<midifile[0].getEventCount(); e++) {
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MidiEvent *note = &midifile[0][e];
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if (!note->isNoteOn()) {
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continue;
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}
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int channel = note->getChannel();
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if (channel == 0x09) {
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continue;
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}
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int key = note->getKeyNumber();
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if (key < lowest) {
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lowest = key;
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}
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if (key > highest) {
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highest = key;
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}
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}
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int range = highest - lowest;
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cout << highest << "\t" << lowest << "\t" << range << endl;
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}
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