initial commit into repository0.0

1 files changed, 74 insertions, 0 deletions

diff --git a/include/midillo/MThd.h b/include/midillo/MThd.h
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--- a/dev/null
+++ b/include/midillo/MThd.h
@@ -0,0 +1,74 @@
+#ifndef __MIDILLO_MTHD_H
+#define __MIDILLO_MTHD_H
+
+#include <istream>
+#include <ostream>
+#include <midillo/chunk.h>
+
+/**
+ * @file
+ * @brief the MThd_t -- MThd header chunk class
+ */
+
+namespace midillo {
+    using std::istream;
+    using std::ostream;
+
+    /**
+     * MThd header chunk container
+     */
+    class MThd_t : public chunk_t {
+	public:
+	    enum {
+		fmt_0 = 0, fmt_1 = 1, fmt_2 = 2,
+		fmt_singletrack = fmt_0,
+		fmt_multitrack = fmt_1,
+		fmt_tracksequence = fmt_2
+	    };
+	    /**
+	     * SMF format. 0 for single track, 1 for multitrack, 2 for track
+	     * sequence.
+	     */
+	    int fmt;
+	    /**
+	     * Number of tracks in the file
+	     */
+	    int ntracks;
+	    /**
+	     * The number of pulses per quarter note
+	     */
+	    int division;
+
+	    /**
+	     * Load MThd chunk from the stream
+	     * @param s input stream
+	     */
+	    void load(istream& s);
+
+	    /**
+	     * Read MThd chunk data from the stream. This function assumes that
+	     * header is already read.
+	     * @param s input stream
+	     */
+	    void load_data(istream& s);
+
+	    /**
+	     * Save MThd chunk to the stream
+	     * @param s output stream
+	     */
+	    void save(ostream& s) const;
+
+	    /**
+	     * Dump textual representation of MThd chunk to stream
+	     * @param s output stream
+	     */
+	    void dump(ostream& s) const;
+    };
+
+    inline ostream& operator<<(ostream& s,const MThd_t& mthd) {
+	mthd.dump(s); return s;
+    }
+
+}
+
+#endif /* MIDILLO_MTHD_H */