初始化内容

third/midifile/tools/base642midi.cpp

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+//
+// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
+// Creation Date: Thu Jun 24 21:02:37 PDT 2021
+// Last Modified: Thu Jun 24 21:02:40 PDT 2021
+// Filename:      tools/base642midi.cpp
+// URL:           https://github.com/craigsapp/midifile/blob/master/tools/base642midi.cpp
+// Syntax:        C++11
+// vim:           ts=3
+//
+// Description:   Test of base64 import 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("o|output=s:test.mid", "Output filename");
+	opts.process();
+	if (opts.getArgCount() != 0) {
+		cerr << "Usage: cat base64.txt | " << opts.getCommand() << " -o output.mid " << endl;
+		exit(1);
+	}
+
+	string filename = opts.getString("output");
+
+	MidiFile midifile;
+	midifile.readBase64(cin);
+	midifile.write(filename);
+	return 0;
+}
+
+