2 * Compact Disc Control Utility by Serge V. Vakulenko <vak@cronyx.ru>.
3 * Based on the non-X based CD player by Jean-Marc Zucconi and
6 * Fixed and further modified on 5-Sep-1995 by Jukka Ukkonen <jau@funet.fi>.
8 * 11-Sep-1995: Jukka A. Ukkonen <jau@funet.fi>
9 * A couple of further fixes to my own earlier "fixes".
11 * 18-Sep-1995: Jukka A. Ukkonen <jau@funet.fi>
12 * Added an ability to specify addresses relative to the
13 * beginning of a track. This is in fact a variation of
14 * doing the simple play_msf() call.
16 * 11-Oct-1995: Serge V.Vakulenko <vak@cronyx.ru>
17 * New eject algorithm.
18 * Some code style reformatting.
20 * 13-Dec-1999: Knut A. Syed <kas@kas.no>
21 * Volume-command modified. If used with only one
22 * parameter it now sets both channels. If used without
23 * parameters it will print volume-info.
26 * 27-Jun-2008 Pietro Cerutti <gahr@FreeBSD.org>
27 * Further enhancement to volume. Values not in range 0-255
28 * are now reduced to be in range. This prevents overflow in
29 * the uchar storing the volume (256 -> 0, -20 -> 236, ...).
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
38 #include <sys/cdrio.h>
40 #include <sys/ioctl.h>
41 #include <sys/param.h>
42 #include <arpa/inet.h>
55 #define VERSION "2.0.2"
57 #define ASTS_INVALID 0x00 /* Audio status byte not valid */
58 #define ASTS_PLAYING 0x11 /* Audio play operation in progress */
59 #define ASTS_PAUSED 0x12 /* Audio play operation paused */
60 #define ASTS_COMPLETED 0x13 /* Audio play operation successfully completed */
61 #define ASTS_ERROR 0x14 /* Audio play operation stopped due to error */
62 #define ASTS_VOID 0x15 /* No current audio status to return */
64 #ifdef DEFAULT_CD_DRIVE
65 # error "Setting DEFAULT_CD_DRIVE is no longer supported"
84 #define CMD_PREVIOUS 17
86 #define STATUS_AUDIO 0x1
87 #define STATUS_MEDIA 0x2
88 #define STATUS_VOLUME 0x4
96 { CMD_CLOSE, "close", 1, "" },
97 { CMD_DEBUG, "debug", 1, "on | off" },
98 { CMD_EJECT, "eject", 1, "" },
99 { CMD_HELP, "?", 1, 0 },
100 { CMD_HELP, "help", 1, "" },
101 { CMD_INFO, "info", 1, "" },
102 { CMD_NEXT, "next", 1, "" },
103 { CMD_PAUSE, "pause", 2, "" },
104 { CMD_PLAY, "play", 1, "min1:sec1[.fram1] [min2:sec2[.fram2]]" },
105 { CMD_PLAY, "play", 1, "track1[.index1] [track2[.index2]]" },
106 { CMD_PLAY, "play", 1, "tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]" },
107 { CMD_PLAY, "play", 1, "[#block [len]]" },
108 { CMD_PREVIOUS, "previous", 2, "" },
109 { CMD_QUIT, "quit", 1, "" },
110 { CMD_RESET, "reset", 4, "" },
111 { CMD_RESUME, "resume", 1, "" },
112 { CMD_SET, "set", 2, "msf | lba" },
113 { CMD_STATUS, "status", 1, "[audio | media | volume]" },
114 { CMD_STOP, "stop", 3, "" },
115 { CMD_VOLUME, "volume", 1,
116 "<l&r> <l> <r> | left | right | mute | mono | stereo" },
117 { CMD_CDID, "cdid", 2, "" },
118 { CMD_SPEED, "speed", 2, "speed" },
122 struct cd_toc_entry toc_buffer[100];
129 int setvol(int, int);
130 int read_toc_entrys(int);
131 int play_msf(int, int, int, int, int, int);
132 int play_track(int, int, int, int);
133 int get_vol(int *, int *);
134 int status(int *, int *, int *, int *);
136 int next_prev(char *arg, int);
140 int pstatus(char *arg);
142 void prtrack(struct cd_toc_entry *e, int lastflag);
143 void lba2msf(unsigned long lba, u_char *m, u_char *s, u_char *f);
144 unsigned int msf2lba(u_char m, u_char s, u_char f);
145 int play_blocks(int blk, int len);
146 int run(int cmd, char *arg);
147 char *parse(char *buf, int *cmd);
150 char *use_cdrom_instead(const char *);
151 __const char *strstatus(int);
152 static u_int dbprog_discid(void);
153 __const char *cdcontrol_prompt(void);
162 for (c=cmdtab; c->name; ++c) {
166 for (i = c->min, s = c->name; *s; s++, i--) {
174 printf (" %s", c->args);
177 printf ("\n\tThe word \"play\" is not required for the play commands.\n");
178 printf ("\tThe plain target address is taken as a synonym for play.\n");
183 fprintf (stderr, "usage: cdcontrol [-sv] [-f device] [command ...]\n");
187 char *use_cdrom_instead(const char *old_envvar)
191 device = getenv(old_envvar);
193 warnx("%s environment variable deprecated, "
194 "please use CDROM in the future.", old_envvar);
199 int main (int argc, char **argv)
205 switch (getopt (argc, argv, "svhf:")) {
226 if (argc > 0 && ! strcasecmp (*argv, "help"))
230 cdname = getenv("CDROM");
234 cdname = use_cdrom_instead("MUSIC_CD");
236 cdname = use_cdrom_instead("CD_DRIVE");
238 cdname = use_cdrom_instead("DISC");
240 cdname = use_cdrom_instead("CDPLAY");
246 for (p=buf; argc-->0; ++argv) {
247 len = strlen (*argv);
249 if (p + len >= buf + sizeof (buf) - 1)
259 arg = parse (buf, &cmd);
260 return (run (cmd, arg));
264 verbose = isatty (0);
267 printf ("Compact Disc Control utility, version %s\n", VERSION);
268 printf ("Type `?' for command list\n\n");
273 if (run (cmd, arg) < 0) {
283 int run (int cmd, char *arg)
294 if (fd < 0 && ! open_cd ())
300 if (fd < 0 && ! open_cd ())
306 if (fd < 0 && ! open_cd ())
309 return pstatus (arg);
313 if (fd < 0 && ! open_cd ())
316 while (isspace (*arg))
319 return next_prev (arg, cmd);
322 if (fd < 0 && ! open_cd ())
325 return ioctl (fd, CDIOCPAUSE);
328 if (fd < 0 && ! open_cd ())
331 return ioctl (fd, CDIOCRESUME);
334 if (fd < 0 && ! open_cd ())
337 rc = ioctl (fd, CDIOCSTOP);
339 (void) ioctl (fd, CDIOCALLOW);
344 if (fd < 0 && ! open_cd ())
347 rc = ioctl (fd, CDIOCRESET);
355 if (fd < 0 && ! open_cd ())
358 if (! strcasecmp (arg, "on"))
359 return ioctl (fd, CDIOCSETDEBUG);
361 if (! strcasecmp (arg, "off"))
362 return ioctl (fd, CDIOCCLRDEBUG);
364 warnx("invalid command arguments");
369 if (fd < 0 && ! open_cd ())
372 (void) ioctl (fd, CDIOCALLOW);
373 rc = ioctl (fd, CDIOCEJECT);
379 if (fd < 0 && ! open_cd ())
382 (void) ioctl (fd, CDIOCALLOW);
383 rc = ioctl (fd, CDIOCCLOSE);
391 if (fd < 0 && ! open_cd ())
394 while (isspace (*arg))
400 if (! strcasecmp (arg, "msf"))
402 else if (! strcasecmp (arg, "lba"))
405 warnx("invalid command arguments");
409 if (fd < 0 && !open_cd ())
413 return pstatus ("volume");
415 if (! strncasecmp (arg, "left", strlen(arg)))
416 return ioctl (fd, CDIOCSETLEFT);
418 if (! strncasecmp (arg, "right", strlen(arg)))
419 return ioctl (fd, CDIOCSETRIGHT);
421 if (! strncasecmp (arg, "mono", strlen(arg)))
422 return ioctl (fd, CDIOCSETMONO);
424 if (! strncasecmp (arg, "stereo", strlen(arg)))
425 return ioctl (fd, CDIOCSETSTERIO);
427 if (! strncasecmp (arg, "mute", strlen(arg)))
428 return ioctl (fd, CDIOCSETMUTE);
430 count = sscanf (arg, "%d %d", &l, &r);
432 return setvol (l, l);
434 return setvol (l, r);
435 warnx("invalid command arguments");
439 if (fd < 0 && ! open_cd ())
443 if (strcasecmp("max", arg) == 0)
444 speed = CDR_MAX_SPEED;
446 speed = strtol(arg, NULL, 10) * 177;
447 if (speed <= 0 || speed > INT_MAX) {
448 warnx("invalid command arguments %s", arg);
451 return ioctl(fd, CDRIOCREADSPEED, &speed);
463 struct ioc_toc_header h;
465 int rc, start, end = 0, istart = 1, iend = 1;
467 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
472 n = h.ending_track - h.starting_track + 1;
473 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry));
478 if (! arg || ! *arg) {
479 /* Play the whole disc */
481 return play_blocks (0, msf2lba (toc_buffer[n].addr.msf.minute,
482 toc_buffer[n].addr.msf.second,
483 toc_buffer[n].addr.msf.frame));
485 return play_blocks (0, ntohl(toc_buffer[n].addr.lba));
488 if (strchr (arg, '#')) {
489 /* Play block #blk [ len ] */
492 if (2 != sscanf (arg, "#%d%d", &blk, &len) &&
493 1 != sscanf (arg, "#%d", &blk))
498 len = msf2lba (toc_buffer[n].addr.msf.minute,
499 toc_buffer[n].addr.msf.second,
500 toc_buffer[n].addr.msf.frame) - blk;
502 len = ntohl(toc_buffer[n].addr.lba) - blk;
504 return play_blocks (blk, len);
507 if (strchr (arg, ':')) {
509 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ]
511 * Will now also undestand timed addresses relative
512 * to the beginning of a track in the form...
514 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]
517 unsigned m1, m2, s1, s2, f1, f2;
518 unsigned char tm, ts, tf;
520 tr2 = m2 = s2 = f2 = f1 = 0;
521 if (8 == sscanf (arg, "%d %d:%d.%d %d %d:%d.%d",
522 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &f2))
523 goto Play_Relative_Addresses;
525 tr2 = m2 = s2 = f2 = f1 = 0;
526 if (7 == sscanf (arg, "%d %d:%d %d %d:%d.%d",
527 &tr1, &m1, &s1, &tr2, &m2, &s2, &f2))
528 goto Play_Relative_Addresses;
530 tr2 = m2 = s2 = f2 = f1 = 0;
531 if (7 == sscanf (arg, "%d %d:%d.%d %d %d:%d",
532 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2))
533 goto Play_Relative_Addresses;
535 tr2 = m2 = s2 = f2 = f1 = 0;
536 if (7 == sscanf (arg, "%d %d:%d.%d %d:%d.%d",
537 &tr1, &m1, &s1, &f1, &m2, &s2, &f2))
538 goto Play_Relative_Addresses;
540 tr2 = m2 = s2 = f2 = f1 = 0;
541 if (6 == sscanf (arg, "%d %d:%d.%d %d:%d",
542 &tr1, &m1, &s1, &f1, &m2, &s2))
543 goto Play_Relative_Addresses;
545 tr2 = m2 = s2 = f2 = f1 = 0;
546 if (6 == sscanf (arg, "%d %d:%d %d:%d.%d",
547 &tr1, &m1, &s1, &m2, &s2, &f2))
548 goto Play_Relative_Addresses;
550 tr2 = m2 = s2 = f2 = f1 = 0;
551 if (6 == sscanf (arg, "%d %d:%d.%d %d %d",
552 &tr1, &m1, &s1, &f1, &tr2, &m2))
553 goto Play_Relative_Addresses;
555 tr2 = m2 = s2 = f2 = f1 = 0;
556 if (5 == sscanf (arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, &s2))
557 goto Play_Relative_Addresses;
559 tr2 = m2 = s2 = f2 = f1 = 0;
560 if (5 == sscanf (arg, "%d %d:%d %d %d",
561 &tr1, &m1, &s1, &tr2, &m2))
562 goto Play_Relative_Addresses;
564 tr2 = m2 = s2 = f2 = f1 = 0;
565 if (5 == sscanf (arg, "%d %d:%d.%d %d",
566 &tr1, &m1, &s1, &f1, &tr2))
567 goto Play_Relative_Addresses;
569 tr2 = m2 = s2 = f2 = f1 = 0;
570 if (4 == sscanf (arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2))
571 goto Play_Relative_Addresses;
573 tr2 = m2 = s2 = f2 = f1 = 0;
574 if (4 == sscanf (arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1))
575 goto Play_Relative_Addresses;
577 tr2 = m2 = s2 = f2 = f1 = 0;
578 if (3 == sscanf (arg, "%d %d:%d", &tr1, &m1, &s1))
579 goto Play_Relative_Addresses;
581 tr2 = m2 = s2 = f2 = f1 = 0;
582 goto Try_Absolute_Timed_Addresses;
584 Play_Relative_Addresses:
593 tm = toc_buffer[tr1].addr.msf.minute;
594 ts = toc_buffer[tr1].addr.msf.second;
595 tf = toc_buffer[tr1].addr.msf.frame;
597 lba2msf(ntohl(toc_buffer[tr1].addr.lba),
604 printf ("Track %d is not that long.\n", tr1);
623 if (m2 || s2 || f2) {
641 m2 = toc_buffer[n].addr.msf.minute;
642 s2 = toc_buffer[n].addr.msf.second;
643 f2 = toc_buffer[n].addr.msf.frame;
645 lba2msf(ntohl(toc_buffer[n].addr.lba),
652 } else if (tr2 > n) {
659 tm = toc_buffer[tr2].addr.msf.minute;
660 ts = toc_buffer[tr2].addr.msf.second;
661 tf = toc_buffer[tr2].addr.msf.frame;
663 lba2msf(ntohl(toc_buffer[tr2].addr.lba),
681 tm = toc_buffer[n].addr.msf.minute;
682 ts = toc_buffer[n].addr.msf.second;
683 tf = toc_buffer[n].addr.msf.frame;
685 lba2msf(ntohl(toc_buffer[n].addr.lba),
693 printf ("The playing time of the disc is not that long.\n");
696 return (play_msf (m1, s1, f1, m2, s2, f2));
698 Try_Absolute_Timed_Addresses:
699 if (6 != sscanf (arg, "%d:%d.%d%d:%d.%d",
700 &m1, &s1, &f1, &m2, &s2, &f2) &&
701 5 != sscanf (arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) &&
702 5 != sscanf (arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) &&
703 3 != sscanf (arg, "%d:%d.%d", &m1, &s1, &f1) &&
704 4 != sscanf (arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) &&
705 2 != sscanf (arg, "%d:%d", &m1, &s1))
710 m2 = toc_buffer[n].addr.msf.minute;
711 s2 = toc_buffer[n].addr.msf.second;
712 f2 = toc_buffer[n].addr.msf.frame;
714 lba2msf(ntohl(toc_buffer[n].addr.lba),
721 return play_msf (m1, s1, f1, m2, s2, f2);
725 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ]
727 if (4 != sscanf (arg, "%d.%d%d.%d", &start, &istart, &end, &iend) &&
728 3 != sscanf (arg, "%d.%d%d", &start, &istart, &end) &&
729 3 != sscanf (arg, "%d%d.%d", &start, &end, &iend) &&
730 2 != sscanf (arg, "%d.%d", &start, &istart) &&
731 2 != sscanf (arg, "%d%d", &start, &end) &&
732 1 != sscanf (arg, "%d", &start))
737 return (play_track (start, istart, end, iend));
740 warnx("invalid command arguments");
744 int next_prev (char *arg, int cmd)
746 struct ioc_toc_header h;
747 int dir, junk, n, off, rc, trk;
749 dir = (cmd == CMD_NEXT) ? 1 : -1;
750 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
754 n = h.ending_track - h.starting_track + 1;
755 rc = status (&trk, &junk, &junk, &junk);
760 if (sscanf (arg, "%u", &off) != 1) {
761 warnx("invalid command argument");
768 if (trk > h.ending_track)
771 return (play_track (trk, 1, n, 1));
774 const char *strstatus (int sts)
777 case ASTS_INVALID: return ("invalid");
778 case ASTS_PLAYING: return ("playing");
779 case ASTS_PAUSED: return ("paused");
780 case ASTS_COMPLETED: return ("completed");
781 case ASTS_ERROR: return ("error");
782 case ASTS_VOID: return ("void");
783 default: return ("??");
787 int pstatus (char *arg)
790 struct ioc_read_subchannel ss;
791 struct cd_sub_channel_info data;
792 int rc, trk, m, s, f;
794 char *p, vmcn[(4 * 15) + 1];
796 while ((p = strtok(arg, " \t"))) {
798 if (!strncasecmp(p, "audio", strlen(p)))
799 what |= STATUS_AUDIO;
800 else if (!strncasecmp(p, "media", strlen(p)))
801 what |= STATUS_MEDIA;
802 else if (!strncasecmp(p, "volume", strlen(p)))
803 what |= STATUS_VOLUME;
805 warnx("invalid command arguments");
810 what = STATUS_AUDIO|STATUS_MEDIA|STATUS_VOLUME;
811 if (what & STATUS_AUDIO) {
812 rc = status (&trk, &m, &s, &f);
815 printf ("Audio status = %d<%s>, current track = %d, current position = %d:%02d.%02d\n",
816 rc, strstatus (rc), trk, m, s, f);
818 printf ("%d %d %d:%02d.%02d\n", rc, trk, m, s, f);
820 printf ("No current status info available\n");
822 if (what & STATUS_MEDIA) {
823 bzero (&ss, sizeof (ss));
825 ss.data_len = sizeof (data);
826 ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
827 ss.data_format = CD_MEDIA_CATALOG;
828 rc = ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &ss);
830 printf("Media catalog is %sactive",
831 ss.data->what.media_catalog.mc_valid ? "": "in");
832 if (ss.data->what.media_catalog.mc_valid &&
833 ss.data->what.media_catalog.mc_number[0])
835 strvisx (vmcn, ss.data->what.media_catalog.mc_number,
836 (sizeof (vmcn) - 1) / 4, VIS_OCTAL | VIS_NL);
837 printf(", number \"%.*s\"", (int)sizeof (vmcn), vmcn);
841 printf("No media catalog info available\n");
843 if (what & STATUS_VOLUME) {
844 rc = ioctl (fd, CDIOCGETVOL, &v);
847 printf ("Left volume = %d, right volume = %d\n",
850 printf ("%d %d\n", v.vol[0], v.vol[1]);
852 printf ("No volume level info available\n");
859 * Convert an integer to its text string representation, and
860 * compute its checksum. Used by dbprog_discid to derive the
864 * n - The integer value.
867 * The integer checksum.
876 /* For backward compatibility this algorithm must not change */
877 sprintf(buf, "%u", n);
878 for (p = buf; *p != '\0'; p++)
887 * Compute a magic disc ID based on the number of tracks,
888 * the length of each track, and a checksum of the string
889 * that represents the offset of each track.
892 * s - Pointer to the curstat_t structure.
895 * The integer disc ID.
900 struct ioc_toc_header h;
906 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
909 ntr = h.ending_track - h.starting_track + 1;
912 rc = read_toc_entrys ((ntr + 1) * sizeof (struct cd_toc_entry));
916 /* For backward compatibility this algorithm must not change */
917 for (i = 0; i < ntr; i++) {
918 #define TC_MM(a) toc_buffer[a].addr.msf.minute
919 #define TC_SS(a) toc_buffer[a].addr.msf.second
920 n += dbprog_sum((TC_MM(i) * 60) + TC_SS(i));
922 t += ((TC_MM(i+1) * 60) + TC_SS(i+1)) -
923 ((TC_MM(i) * 60) + TC_SS(i));
926 return((n % 0xff) << 24 | t << 8 | ntr);
933 id = dbprog_discid();
938 printf ("%08x\n",id);
943 int info (char *arg __unused)
945 struct ioc_toc_header h;
948 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
951 printf ("Starting track = %d, ending track = %d, TOC size = %d bytes\n",
952 h.starting_track, h.ending_track, h.len);
954 printf ("%d %d %d\n", h.starting_track,
955 h.ending_track, h.len);
957 warn("getting toc header");
961 n = h.ending_track - h.starting_track + 1;
962 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry));
967 printf ("track start duration block length type\n");
968 printf ("-------------------------------------------------\n");
971 for (i = 0; i < n; i++) {
972 printf ("%5d ", toc_buffer[i].track);
973 prtrack (toc_buffer + i, 0);
975 printf ("%5d ", toc_buffer[n].track);
976 prtrack (toc_buffer + n, 1);
980 void lba2msf (unsigned long lba, u_char *m, u_char *s, u_char *f)
982 lba += 150; /* block start offset */
983 lba &= 0xffffff; /* negative lbas use only 24 bits */
984 *m = lba / (60 * 75);
990 unsigned int msf2lba (u_char m, u_char s, u_char f)
992 return (((m * 60) + s) * 75 + f) - 150;
995 void prtrack (struct cd_toc_entry *e, int lastflag)
997 int block, next, len;
1001 /* Print track start */
1002 printf ("%2d:%02d.%02d ", e->addr.msf.minute,
1003 e->addr.msf.second, e->addr.msf.frame);
1005 block = msf2lba (e->addr.msf.minute, e->addr.msf.second,
1008 block = ntohl(e->addr.lba);
1009 lba2msf(block, &m, &s, &f);
1010 /* Print track start */
1011 printf ("%2d:%02d.%02d ", m, s, f);
1014 /* Last track -- print block */
1015 printf (" - %6d - -\n", block);
1020 next = msf2lba (e[1].addr.msf.minute, e[1].addr.msf.second,
1021 e[1].addr.msf.frame);
1023 next = ntohl(e[1].addr.lba);
1025 /* Take into account a start offset time. */
1026 lba2msf (len - 150, &m, &s, &f);
1028 /* Print duration, block, length, type */
1029 printf ("%2d:%02d.%02d %6d %6d %5s\n", m, s, f, block, len,
1030 (e->control & 4) ? "data" : "audio");
1033 int play_track (int tstart, int istart, int tend, int iend)
1035 struct ioc_play_track t;
1037 t.start_track = tstart;
1038 t.start_index = istart;
1042 return ioctl (fd, CDIOCPLAYTRACKS, &t);
1045 int play_blocks (int blk, int len)
1047 struct ioc_play_blocks t;
1052 return ioctl (fd, CDIOCPLAYBLOCKS, &t);
1055 int setvol (int left, int right)
1059 left = left < 0 ? 0 : left > 255 ? 255 : left;
1060 right = right < 0 ? 0 : right > 255 ? 255 : right;
1067 return ioctl (fd, CDIOCSETVOL, &v);
1070 int read_toc_entrys (int len)
1072 struct ioc_read_toc_entry t;
1074 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
1075 t.starting_track = 0;
1077 t.data = toc_buffer;
1079 return (ioctl (fd, CDIOREADTOCENTRYS, (char *) &t));
1082 int play_msf (int start_m, int start_s, int start_f,
1083 int end_m, int end_s, int end_f)
1085 struct ioc_play_msf a;
1087 a.start_m = start_m;
1088 a.start_s = start_s;
1089 a.start_f = start_f;
1094 return ioctl (fd, CDIOCPLAYMSF, (char *) &a);
1097 int status (int *trk, int *min, int *sec, int *frame)
1099 struct ioc_read_subchannel s;
1100 struct cd_sub_channel_info data;
1103 bzero (&s, sizeof (s));
1105 s.data_len = sizeof (data);
1106 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
1107 s.data_format = CD_CURRENT_POSITION;
1109 if (ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0)
1112 *trk = s.data->what.position.track_number;
1114 *min = s.data->what.position.reladdr.msf.minute;
1115 *sec = s.data->what.position.reladdr.msf.second;
1116 *frame = s.data->what.position.reladdr.msf.frame;
1118 lba2msf(ntohl(s.data->what.position.reladdr.lba),
1125 return s.data->header.audio_status;
1131 return ("cdcontrol> ");
1138 static EditLine *el = NULL;
1139 static History *hist = NULL;
1141 static char buf[MAXLINE];
1144 const char *bp = NULL;
1150 el = el_init("cdcontrol", stdin, stdout,
1152 hist = history_init();
1153 history(hist, &he, H_SETSIZE, 100);
1154 el_set(el, EL_HIST, history, hist);
1155 el_set(el, EL_EDITOR, "emacs");
1156 el_set(el, EL_PROMPT, cdcontrol_prompt);
1157 el_set(el, EL_SIGNAL, 1);
1158 el_source(el, NULL);
1160 if ((bp = el_gets(el, &num)) == NULL || num == 0) {
1162 fprintf (stderr, "\r\n");
1166 len = (num > MAXLINE) ? MAXLINE : num;
1167 memcpy(buf, bp, len);
1169 history(hist, &he, H_ENTER, bp);
1173 if (! fgets (buf, sizeof (buf), stdin)) {
1175 fprintf (stderr, "\r\n");
1179 p = parse (buf, cmd);
1184 char *parse (char *buf, int *cmd)
1190 for (p=buf; isspace (*p); p++)
1193 if (isdigit (*p) || (p[0] == '#' && isdigit (p[1]))) {
1196 } else if (*p == '+') {
1199 } else if (*p == '-') {
1200 *cmd = CMD_PREVIOUS;
1204 for (buf = p; *p && ! isspace (*p); p++)
1211 if (*p) { /* It must be a spacing character! */
1215 for (q=p; *q && *q != '\n' && *q != '\r'; q++)
1221 for (c=cmdtab; c->name; ++c) {
1222 /* Is it an exact match? */
1223 if (! strcasecmp (buf, c->name)) {
1228 /* Try short hand forms then... */
1229 if (len >= c->min && ! strncasecmp (buf, c->name, len)) {
1230 if (*cmd != -1 && *cmd != c->command) {
1231 warnx("ambiguous command");
1239 warnx("invalid command, enter ``help'' for commands");
1243 while (isspace (*p))
1250 char devbuf[MAXPATHLEN];
1257 if (*cdname == '/') {
1258 snprintf (devbuf, MAXPATHLEN, "%s", cdname);
1260 snprintf (devbuf, MAXPATHLEN, "%s%s", _PATH_DEV, cdname);
1262 fd = open (dev = devbuf, O_RDONLY);
1264 fd = open(dev = "/dev/cdrom", O_RDONLY);
1265 if (fd < 0 && errno == ENOENT)
1266 fd = open(dev = "/dev/cd0", O_RDONLY);
1267 if (fd < 0 && errno == ENOENT)
1268 fd = open(dev = "/dev/acd0", O_RDONLY);
1272 if (errno == ENXIO) {
1273 /* ENXIO has an overloaded meaning here.
1274 * The original "Device not configured" should
1275 * be interpreted as "No disc in drive %s". */
1276 warnx("no disc in drive %s", dev);