初始化内容

third/midifile/tools/midi2base64.cpp

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+//
+// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
+// Creation Date: Thu Jun 24 20:54:59 PDT 2021
+// Last Modified: Thu Jun 24 20:57:18 PDT 2021
+// Filename:      tools/midi2base64.cpp
+// URL:           https://github.com/craigsapp/midifile/blob/master/tools/midi2base64.cpp
+// Syntax:        C++11
+// vim:           ts=3
+//
+// Description:   Test of base64 export of Standard MIDI files.
+//
+
+#include "Options.h"
+#include "MidiFile.h"
+
+#include <iostream>
+
+using namespace std;
+using namespace smf;
+
+
+///////////////////////////////////////////////////////////////////////////
+
+int main(int argc, char** argv) {
+	Options opts;
+	opts.setOptions(argc, argv);
+	opts.define("w|width=i:0", "Line-wrap length for base-64 output");
+	opts.process();
+	if (opts.getArgCount() != 1) {
+		cerr << "Usage: " << opts.getCommand() << " midifile" << endl;
+		exit(1);
+	}
+	int width = opts.getInteger("width");
+
+	MidiFile midifile;
+	midifile.read(argv[1]);
+	midifile.writeBase64(cout, width);
+	return 0;
+}
+
+