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cmidilib.zip
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MFTEXT.C
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C/C++ Source or Header
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1991-08-23
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5KB
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271 lines
/*
* mftext
*
* Convert a MIDI file to verbose text.
*/
#include <stdio.h>
#include <ctype.h>
#include "midifile.h"
static FILE *F;
int SECONDS; /* global that tells whether to display seconds or ticks */
int division; /* from the file header */
long tempo = 500000; /* the default tempo is 120 beats/minute */
filegetc()
{
return(getc(F));
}
/* for crack */
extern int arg_index;
main(argc,argv)
char **argv;
{
FILE *efopen();
char ch;
SECONDS = 0;
while((ch = crack(argc,argv,"s",0)) != NULL){
switch(ch){
case 's' : SECONDS = 1; break;
}
}
if ( argc < 2 && !SECONDS || argc < 3 && SECONDS )
F = stdin;
else
F = efopen(argv[arg_index],"r");
initfuncs();
Mf_getc = filegetc;
midifile();
fclose(F);
exit(0);
}
FILE *
efopen(name,mode)
char *name;
char *mode;
{
FILE *f;
extern int errno;
extern char *sys_errlist[];
extern int sys_nerr;
char *errmess;
if ( (f=fopen(name,mode)) == NULL ) {
(void) fprintf(stderr,"*** ERROR *** Cannot open '%s'!\n",name);
if ( errno <= sys_nerr )
errmess = sys_errlist[errno];
else
errmess = "Unknown error!";
(void) fprintf(stderr,"************* Reason: %s\n",errmess);
exit(1);
}
return(f);
}
error(s)
char *s;
{
fprintf(stderr,"Error: %s\n",s);
}
txt_header(format,ntrks,ldivision)
{
division = ldivision;
printf("Header format=%d ntrks=%d division=%d\n",format,ntrks,division);
}
txt_trackstart()
{
printf("Track start\n");
}
txt_trackend()
{
printf("Track end\n");
}
txt_noteon(chan,pitch,vol)
{
prtime();
printf("Note on, chan=%d pitch=%d vol=%d\n",chan+1,pitch,vol);
}
txt_noteoff(chan,pitch,vol)
{
prtime();
printf("Note off, chan=%d pitch=%d vol=%d\n",chan+1,pitch,vol);
}
txt_pressure(chan,pitch,press)
{
prtime();
printf("Pressure, chan=%d pitch=%d press=%d\n",chan+1,pitch,press);
}
txt_parameter(chan,control,value)
{
prtime();
printf("Parameter, chan=%d c1=%d c2=%d\n",chan+1,control,value);
}
txt_pitchbend(chan,msb,lsb)
{
prtime();
printf("Pitchbend, chan=%d msb=%d lsb=%d\n",chan+1,msb,lsb);
}
txt_program(chan,program)
{
prtime();
printf("Program, chan=%d program=%d\n",chan+1,program);
}
txt_chanpressure(chan,press)
{
prtime();
printf("Channel pressure, chan=%d pressure=%d\n",chan+1,press);
}
txt_sysex(leng,mess)
char *mess;
{
prtime();
printf("Sysex, leng=%d\n",leng);
}
txt_metamisc(type,leng,mess)
char *mess;
{
prtime();
printf("Meta event, unrecognized, type=0x%02x leng=%d\n",type,leng);
}
txt_metaspecial(type,leng,mess)
char *mess;
{
prtime();
printf("Meta event, sequencer-specific, type=0x%02x leng=%d\n",type,leng);
}
txt_metatext(type,leng,mess)
char *mess;
{
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;
prtime();
printf("Meta Text, type=0x%02x (%s) leng=%d\n",type,ttype[type],leng);
printf(" Text = <");
for ( n=0; n<leng; n++ ) {
c = *p++;
printf( (isprint(c)||isspace(c)) ? "%c" : "\\0x%02x" , c);
}
printf(">\n");
}
txt_metaseq(num)
{
prtime();
printf("Meta event, sequence number = %d\n",num);
}
txt_metaeot()
{
prtime();
printf("Meta event, end of track\n");
}
txt_keysig(sf,mi)
{
prtime();
printf("Key signature, sharp/flats=%d minor=%d\n",sf,mi);
}
txt_tempo(ltempo)
long ltempo;
{
tempo = ltempo;
prtime();
printf("Tempo, microseconds-per-MIDI-quarter-note=%d\n",tempo);
}
txt_timesig(nn,dd,cc,bb)
{
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)
{
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;
{
prtime();
printf("Arbitrary bytes, leng=%d\n",leng);
}
prtime()
{
if(SECONDS)
printf("Time=%f ",mf_ticks2sec(Mf_currtime,division,tempo));
else
printf("Time=%ld ",Mf_currtime);
}
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;
}