/* definitions for MIDI file parsing code */
extern int (*Mf_getc)(void);
extern void (*Mf_error)(char *s);
extern void (*Mf_header)(int format, int ntrks, int division);
extern void (*Mf_trackstart)(void);
extern void (*Mf_trackend)(void);
extern void (*Mf_noteon)(int chan, int c1, int c2);
extern void (*Mf_noteoff)(int chan, int c1, int c2);
extern void (*Mf_pressure)(int chan, int c1, int c2);
extern void (*Mf_parameter)(int chan, int c1, int c2);
extern void (*Mf_pitchbend)(int chan, int c1, int c2);
extern void (*Mf_program)(int chan, int c1);
extern void (*Mf_chanpressure)(int chan, int c1);
extern void (*Mf_sysex)(int len, char *msg);
extern void (*Mf_arbitrary)(int len, char *msg);
extern void (*Mf_metamisc)(int type, int len, char *msg);
extern void (*Mf_seqnum)(int num);
extern void (*Mf_eot)(void);
extern void (*Mf_smpte)(char m0, char m1, char m2, char m3, char m4);
extern void (*Mf_tempo)(long tempo);
extern void (*Mf_timesig)(char m0, char m1, char m2, char m3);
extern void (*Mf_keysig)(char m0, char m1);
extern void (*Mf_seqspecific)(int len, char *msg);
extern void (*Mf_text)(int type, int len, char *msg);
extern unsigned long Mf_currtime;
extern unsigned long Mf_realtime;
extern unsigned long Mf_currtempo;
extern int Mf_division;
extern int Mf_nomerge;
#ifdef READ_MODS
extern unsigned char *Mf_file_contents;
extern int Mf_file_size;
#endif

/* definitions for MIDI file writing code */
extern int (*Mf_putc)(unsigned char c);
extern int (*Mf_writetrack)(int track);
extern int (*Mf_writetempotrack)(void);

extern void midifile(void);
extern unsigned long mf_sec2ticks(double secs, int division,
	unsigned long tempo);
extern void mfwrite(int format, int ntracks, int division, FILE *fp);
extern int mf_write_meta_event(unsigned long delta_time, unsigned char type,
	unsigned char *data, unsigned long size);
extern int mf_write_midi_event(unsigned long delta_time, int type,
	int chan, char *data, unsigned long size);
extern double mf_ticks2sec(unsigned long ticks, int division,
	unsigned long tempo);
extern void mf_write_tempo(unsigned long delta_time, unsigned long tempo);
extern void mf_write_seqnum(unsigned long delta_time, unsigned int seqnum);
extern void mfread(void);
extern void mferror(char *s);

#ifndef NO_LC_DEFINES
/* MIDI status commands most significant bit is 1 */
#define note_off         	0x80
#define note_on          	0x90
#define poly_aftertouch  	0xa0
#define control_change    	0xb0
#define program_chng     	0xc0
#define channel_aftertouch      0xd0
#define pitch_wheel      	0xe0
#define system_exclusive      	0xf0
#define delay_packet	 	(1111)

/* 7 bit controllers */
#define damper_pedal            0x40
#define portamento	        0x41 	
#define sustenuto	        0x42
#define soft_pedal	        0x43
#define general_4               0x44
#define	hold_2		        0x45
#define	general_5	        0x50
#define	general_6	        0x51
#define general_7	        0x52
#define general_8	        0x53
#ifndef PLAYMIDI
#define tremolo_depth	        0x5c
#define ctrl_chorus_depth       0x5d
#define	detune		        0x5e
#define phaser_depth	        0x5f
#endif

/* parameter values */
#define data_inc	        0x60
#define data_dec	        0x61

/* parameter selection */
#define non_reg_lsb	        0x62
#define non_reg_msb	        0x63
#define reg_lsb		        0x64
#define reg_msb		        0x65

/* Standard MIDI Files meta event definitions */
#define	meta_event		0xFF
#define	sequence_number 	0x00
#define	text_event		0x01
#define copyright_notice 	0x02
#define sequence_name    	0x03
#define instrument_name 	0x04
#define lyric	        	0x05
#define marker			0x06
#define	cue_point		0x07
#define channel_prefix		0x20
#define	end_of_track		0x2f
#define	set_tempo		0x51
#define	smpte_offset		0x54
#define	time_signature		0x58
#define	key_signature		0x59
#define	sequencer_specific	0x74

/* Manufacturer's ID number */
#define Seq_Circuits (0x01) /* Sequential Circuits Inc. */
#define Big_Briar    (0x02) /* Big Briar Inc.           */
#define Octave       (0x03) /* Octave/Plateau           */
#define Moog         (0x04) /* Moog Music               */
#define Passport     (0x05) /* Passport Designs         */
#define Lexicon      (0x06) /* Lexicon 			*/
#define Tempi        (0x20) /* Bon Tempi                */
#define Siel         (0x21) /* S.I.E.L.                 */
#define Kawai        (0x41) 
#define Roland       (0x42)
#define Korg         (0x42)
#define Yamaha       (0x43)
#endif

/* miscellaneous definitions */
#define MThd 0x4d546864
#define MTrk 0x4d54726b

#ifndef NO_LC_DEFINES
#define lowerbyte(x) ((unsigned char)(x & 0xff))
#define upperbyte(x) ((unsigned char)((x & 0xff00)>>8))
#endif