public:
int update_header (framepos_t /*when*/, struct tm&, time_t) { return 0; }
int flush_header () { return 0; }
float sample_rate () const { return _sample_rate; }
void set_length (framecnt_t len) { _length = len; }
public:
int update_header (framepos_t /*when*/, struct tm&, time_t) { return 0; }
int flush_header () { return 0; }
float sample_rate () const { return _sample_rate; }
void set_length (framecnt_t len) { _length = len; }