#include <stdio.h>

#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "midifile.h"

FILE *F;
int division; /* from the file header */
long tempo = 500000; /* the default tempo is 120 beats/minute (500000 microsec/quarternote) */

int midformat = 0;
int only_text = 0;

filegetc()
{
return(getc(F));
}

main(int argc,char **argv)
{
char fname[80];

if(argc > 1) {
if((argc > 2) && (argv[2][0] == 't'))
only_text = 1;

strcpy(fname, argv[1]);

if(! strchr(fname, '.'))
strcat(fname, ".MID");

if(F = fopen(fname, "rb")) {
initfuncs();
Mf_getc = filegetc;
mfread();
fclose(F);
} else {
printf("MID file not found!\n");
exit(1);
}
} else {
printf("mf2t Converts a MIDI file to text Mats Petersson 1995\n");
printf("usage: mf2t <midifile[.mid]> [t]\n");
}
}

error(s)
char *s;
{
fprintf(stderr,"Error: %s\n",s);
}

txt_header(format,ntrks,ldivision)
{
division = ldivision;
if(! only_text)
printf("Header format=%d ntrks=%d division=%d\n",format,ntrks,division);
}

txt_trackstart()
{
if(! only_text)
printf("Track start\n");
}

txt_trackend()
{
if(! only_text)
printf("Track end\n");
}

txt_noteon(chan,pitch,vol)
{
if(! only_text) {
prtime();
printf("Note on, chan=%d pitch=%d vol=%d\n",chan+1,pitch,vol);
}
}

txt_noteoff(chan,pitch,vol)
{
if(! only_text) {
prtime();
printf("Note off, chan=%d pitch=%d vol=%d\n",chan+1,pitch,vol);
}
}

txt_pressure(chan,pitch,press)
{
if(! only_text) {
prtime();
printf("Pressure, chan=%d pitch=%d press=%d\n",chan+1,pitch,press);
}
}

txt_parameter(chan,control,value)
{
if(! only_text) {
prtime();
printf("Parameter, chan=%d c1=%d c2=%d\n",chan+1,control,value);
}
}

txt_pitchbend(chan,lsb,msb)
{
if(! only_text) {
prtime();
printf("Pitchbend, chan=%d lsb=%d msb=%d\n",chan+1,lsb,msb);
}
}

txt_program(chan,program)
{
if(! only_text) {
prtime();
printf("Program, chan=%d program=%d\n",chan+1,program);
}
}

txt_chanpressure(chan,press)
{
if(! only_text) {
prtime();
printf("Channel pressure, chan=%d pressure=%d\n",chan+1,press);
}
}

txt_sysex(leng,mess)
char *mess;
{
if(! only_text) {
prtime();
printf("Sysex, leng=%d\n",leng);
}
}

txt_metamisc(type,leng,mess)
char *mess;
{
if(! only_text) {
prtime();
printf("Meta event, unrecognized, type=0x%02x leng=%d\n",type,leng);
}
}

txt_metaspecial(type,leng,mess)
char *mess;
{
if(! only_text) {
prtime();
printf("Meta event, sequencer-specific, type=0x%02x leng=%d\n",type,leng);
}
}

txt_metatext(type,leng,mess)
char *mess;
{
static int oldtype = 0xffff;

static char *ttype[] = {
NULL,
"Text Event", /* type=0x01 */
"Copyright Notice", /* type=0x02 */
"Sequence/Track Name",
"Instrument Name", /* ... */
"Lyric",
"Marker",
"Cue Point", /* type=0x07 */
"Unrecognized"
};
int unrecognized = (sizeof(ttype)/sizeof(char *)) - 1;
register int n, c;
register char *p = mess;

if ( type < 1 || type > unrecognized )
type = unrecognized;

if(! only_text) {
prtime();
printf("Meta Text, type=0x%02x (%s) leng=%d\n",type,ttype[type],leng);
printf(" Text = <");
} else {
if(oldtype != type) {
oldtype = type;
printf("\n %s\n\n", ttype[type]);
}
}
for ( n=0; n<leng; n++ ) {
c = *p++;
printf( (isprint(c)||isspace(c)) ? "%c" : "\\0x%02x" , c);
}
if(! only_text)
printf(">\n");
else
printf("\n");
}

txt_metaseq(num)
{
if(! only_text) {
prtime();
printf("Meta event, sequence number = %d\n",num);
}
}

txt_metaeot()
{
if(! only_text) {
prtime();
printf("Meta event, end of track\n");
}
}

txt_keysig(sf,mi)
{
if(! only_text) {
prtime();
printf("Key signature, sharp/flats=%d minor=%d\n",sf,mi);
}
}

txt_tempo(ltempo)
long ltempo;
{
if(! only_text) {
tempo = ltempo;
prtime();
printf("Tempo, microseconds-per-MIDI-quarter-note=%lu\n",tempo);
}
}

txt_timesig(nn,dd,cc,bb)
{
if(! only_text) {
int denom = 1;
while ( dd-- > 0 )
denom *= 2;
prtime();
printf("Time signature=%d/%d MIDI-clocks/click=%d 32nd-notes/24-MIDI-clocks=%d\n",
nn,denom,cc,bb);
}
}

txt_smpte(hr,mn,se,fr,ff)
{
if(! only_text) {
prtime();
printf("SMPTE, hour=%d minute=%d second=%d frame=%d fract-frame=%d\n",
hr,mn,se,fr,ff);
}
}

txt_arbitrary(leng,mess)
char *mess;
{
if(! only_text) {
prtime();
printf("Arbitrary bytes, leng=%d\n",leng);
}
}

prtime()
{
printf("Time=%lu ", mf_ticks2msec(Mf_currtime,division,tempo));
}

initfuncs()
{
Mf_error = error;
Mf_header = txt_header;
Mf_trackstart = txt_trackstart;
Mf_trackend = txt_trackend;
Mf_noteon = txt_noteon;
Mf_noteoff = txt_noteoff;
Mf_pressure = txt_pressure;
Mf_parameter = txt_parameter;
Mf_pitchbend = txt_pitchbend;
Mf_program = txt_program;
Mf_chanpressure = txt_chanpressure;
Mf_sysex = txt_sysex;
Mf_metamisc = txt_metamisc;
Mf_seqnum = txt_metaseq;
Mf_eot = txt_metaeot;
Mf_timesig = txt_timesig;
Mf_smpte = txt_smpte;
Mf_tempo = txt_tempo;
Mf_keysig = txt_keysig;
Mf_seqspecific = txt_metaspecial;
Mf_text = txt_metatext;
Mf_arbitrary = txt_arbitrary;
}