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#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 */
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