libnjb: play.c

libnjb 2.2.7

play.c
#include "common.h"
#include <signal.h>
int repeat= 1;
void stopplay (int signo);
void hhmmss (u_int16_t seconds, u_int16_t *hh, u_int16_t *mm, u_int16_t *ss);
void usage (void);
int main (int argc, char **argv)
{
njb_t njbs[NJB_MAX_DEVICES], *njb;
int i, n, status, change, opt, debug;
u_int16_t sec, hh, mm, ss;
u_int32_t trackid;
extern char *optarg;
extern int optind;
debug= 0;
while ( (opt= getopt(argc, argv, "D:")) != -1 ) {
switch (opt) {
case 'D':
debug= atoi(optarg);
break;
default:
break;
}
}
argc-= optind;
argv+= optind;
if ( ! argc ) usage();
if ( debug ) NJB_Set_Debug(debug);
signal(SIGINT, stopplay);
if (NJB_Discover(njbs, 0, &n) == -1) {
fprintf(stderr, "could not locate any jukeboxes\n");
return 1;
}
if ( n == 0 ) {
fprintf(stderr, "no NJB devices found\n");
return 0;
}
njb= njbs;
if ( NJB_Open(njb) == -1 ) {
NJB_Error_Dump(njb,stderr);
return 1;
}
if ( NJB_Capture(njb) == -1 ) {
NJB_Error_Dump(njb,stderr);
return 1;
}
for (i= 0; i< argc; i++) {
trackid= strtoul(argv[i], NULL, 10);
if ( i == 0 ) {
status= NJB_Play_Track(njb, trackid);
} else {
status= NJB_Queue_Track(njb, trackid);
}
if ( status == -1 ) NJB_Error_Dump(njb,stderr);
}
printf("---> Hit ^C to exit <---\n");
change= 0;
i= 0;
printf("Track ID %10.10s: 00:00:00\b\b\b\b\b\b\b", argv[i]);
fflush(stdout);
while ( repeat ) {
if ( change ) {
i++;
if ( i == argc ) {
repeat= 0;
} else {
printf("\rTrack ID %10.10s: 00:00:00\b\b\b\b\b\b\b",
argv[i]);
fflush(stdout);
}
change= 0;
} else
NJB_Elapsed_Time(njb, &sec, &change);
hhmmss(sec, &hh, &mm, &ss);
printf("%02u:%02u:%02u\b\b\b\b\b\b\b\b", hh, mm, ss);
fflush(stdout);
sleep(1);
}
printf("\n");
NJB_Stop_Play(njb);
NJB_Release(njb);
NJB_Close(njb);
return 0;
}
void stopplay (int signo)
{
repeat= 0;
}
void hhmmss (u_int16_t seconds, u_int16_t *hh, u_int16_t *mm, u_int16_t *ss)
{
if ( seconds >= 3600 ) *hh= seconds/3600;
seconds-= 3600*(*hh);
if ( seconds >= 60 ) *mm= seconds/60;
*ss= seconds-(60*(*mm));
}
void usage (void) {
fprintf(stderr, "usage: play [ -D debuglvl ] <trackid> ...\n");
exit(1);
}