初始化内容

third/midifile/tools/maxtick.cpp

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+//
+// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
+// Creation Date: Mon Apr 16 07:25:01 PDT 2018
+// Last Modified: Mon Apr 16 08:01:18 PDT 2018
+// Filename:      tools/maxtick.cpp
+// URL:           https://github.com/craigsapp/midifile/blob/master/tools/maxtick.cpp
+// Syntax:        C++11
+// vim:           ts=3
+//
+// Description:   Calculate the maximum timestamp in a MIDI file.
+//
+
+#include "MidiFile.h"
+#include "Options.h"
+
+#include <iostream>
+
+using namespace std;
+using namespace smf;
+
+
+void processFile(MidiFile& midifile, Options& options);
+
+
+///////////////////////////////////////////////////////////////////////////
+
+int main(int argc, char** argv) {
+	Options options;
+	options.define("s|seconds=b",  "display total time in seconds");
+	options.define("q|quarters=b", "display total time in quarter notes");
+	options.process(argc, argv);
+	MidiFile midifile;
+	if (options.getArgCount() == 0) {
+		midifile.read(cin);
+		processFile(midifile, options);
+	} else {
+		int count = options.getArgCount();
+		for (int i=0; i<count; i++) {
+			string filename = options.getArg(i+1);
+			if (count > 1) {
+				cout << filename << "\t";
+			}
+			midifile.read(filename);
+			processFile(midifile, options);
+		}
+	}
+	return 0;
+}
+
+
+///////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////
+//
+// processFile --
+//
+
+void processFile(MidiFile& midifile, Options& options) {
+	cout << "maxtick=" << midifile.getFileDurationInTicks();
+	if (options.getBoolean("quarters")) {
+		cout << "\tquarters=" << midifile.getFileDurationInQuarters();
+	}
+	if (options.getBoolean("seconds")) {
+		cout << "\tseconds=" << midifile.getFileDurationInSeconds();
+	}
+	cout << endl;
+}
+
+
+