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);
}

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