1 files changed, 74 insertions, 0 deletions

diff --git a/include/midillo/MThd.h b/include/midillo/MThd.h
new file mode 100644
index 0000000..20263cd
--- 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 */