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 * $FreeBSD: src/usr.sbin/cdcontrol/cdcontrol.c,v 1.24.2.11 2002/11/20 00:26:19 njl Exp $
21 * $DragonFly: src/usr.sbin/cdcontrol/cdcontrol.c,v 1.2 2003/06/17 04:29:52 dillon Exp $
25 #include <sys/cdrio.h>
27 #include <sys/ioctl.h>
28 #include <sys/param.h>
43 #define ASTS_INVALID 0x00 /* Audio status byte not valid */
44 #define ASTS_PLAYING 0x11 /* Audio play operation in progress */
45 #define ASTS_PAUSED 0x12 /* Audio play operation paused */
46 #define ASTS_COMPLETED 0x13 /* Audio play operation successfully completed */
47 #define ASTS_ERROR 0x14 /* Audio play operation stopped due to error */
48 #define ASTS_VOID 0x15 /* No current audio status to return */
50 #ifndef DEFAULT_CD_DRIVE
51 # define DEFAULT_CD_DRIVE "/dev/cd0c"
54 #ifndef DEFAULT_CD_PARTITION
55 # define DEFAULT_CD_PARTITION "c"
74 #define CMD_PREVIOUS 17
76 #define STATUS_AUDIO 0x1
77 #define STATUS_MEDIA 0x2
78 #define STATUS_VOLUME 0x4
86 { CMD_CLOSE, "close", 1, "" },
87 { CMD_DEBUG, "debug", 1, "on | off" },
88 { CMD_EJECT, "eject", 1, "" },
89 { CMD_HELP, "?", 1, 0 },
90 { CMD_HELP, "help", 1, "" },
91 { CMD_INFO, "info", 1, "" },
92 { CMD_NEXT, "next", 1, "" },
93 { CMD_PAUSE, "pause", 2, "" },
94 { CMD_PLAY, "play", 1, "min1:sec1[.fram1] [min2:sec2[.fram2]]" },
95 { CMD_PLAY, "play", 1, "track1[.index1] [track2[.index2]]" },
96 { CMD_PLAY, "play", 1, "tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]" },
97 { CMD_PLAY, "play", 1, "[#block [len]]" },
98 { CMD_PREVIOUS, "previous", 2, "" },
99 { CMD_QUIT, "quit", 1, "" },
100 { CMD_RESET, "reset", 4, "" },
101 { CMD_RESUME, "resume", 1, "" },
102 { CMD_SET, "set", 2, "msf | lba" },
103 { CMD_STATUS, "status", 1, "[audio | media | volume]" },
104 { CMD_STOP, "stop", 3, "" },
105 { CMD_VOLUME, "volume", 1,
106 "<l> <r> | left | right | mute | mono | stereo" },
107 { CMD_CDID, "cdid", 2, "" },
108 { CMD_SPEED, "speed", 2, "speed" },
112 struct cd_toc_entry toc_buffer[100];
119 int setvol __P((int, int));
120 int read_toc_entrys __P((int));
121 int play_msf __P((int, int, int, int, int, int));
122 int play_track __P((int, int, int, int));
123 int get_vol __P((int *, int *));
124 int status __P((int *, int *, int *, int *));
125 int open_cd __P((void));
126 int next_prev __P((char *arg, int));
127 int play __P((char *arg));
128 int info __P((char *arg));
129 int cdid __P((void));
130 int pstatus __P((char *arg));
131 char *input __P((int *));
132 void prtrack __P((struct cd_toc_entry *e, int lastflag));
133 void lba2msf __P((unsigned long lba,
134 u_char *m, u_char *s, u_char *f));
135 unsigned int msf2lba __P((u_char m, u_char s, u_char f));
136 int play_blocks __P((int blk, int len));
137 int run __P((int cmd, char *arg));
138 char *parse __P((char *buf, int *cmd));
139 void help __P((void));
140 void usage __P((void));
141 char *use_cdrom_instead __P((const char *));
142 __const char *strstatus __P((int));
143 static u_int dbprog_discid __P((void));
144 __const char *cdcontrol_prompt __P((void));
153 for (c=cmdtab; c->name; ++c) {
157 for (i = c->min, s = c->name; *s; s++, i--) {
165 printf (" %s", c->args);
168 printf ("\n\tThe word \"play\" is not required for the play commands.\n");
169 printf ("\tThe plain target address is taken as a synonym for play.\n");
174 fprintf (stderr, "usage: cdcontrol [-sv] [-f device] [command ...]\n");
178 char *use_cdrom_instead(const char *old_envvar)
182 device = getenv(old_envvar);
184 warnx("%s environment variable deprecated, "
185 "please use CDROM in the future.", old_envvar);
190 int main (int argc, char **argv)
196 switch (getopt (argc, argv, "svhf:")) {
217 if (argc > 0 && ! strcasecmp (*argv, "help"))
221 cdname = getenv("CDROM");
225 cdname = use_cdrom_instead("MUSIC_CD");
227 cdname = use_cdrom_instead("CD_DRIVE");
229 cdname = use_cdrom_instead("DISC");
231 cdname = use_cdrom_instead("CDPLAY");
234 cdname = DEFAULT_CD_DRIVE;
235 warnx("no CD device name specified, defaulting to %s", cdname);
242 for (p=buf; argc-->0; ++argv) {
243 len = strlen (*argv);
245 if (p + len >= buf + sizeof (buf) - 1)
255 arg = parse (buf, &cmd);
256 return (run (cmd, arg));
260 verbose = isatty (0);
263 printf ("Compact Disc Control utility, version %s\n", VERSION);
264 printf ("Type `?' for command list\n\n");
269 if (run (cmd, arg) < 0) {
279 int run (int cmd, char *arg)
290 if (fd < 0 && ! open_cd ())
296 if (fd < 0 && ! open_cd ())
302 if (fd < 0 && ! open_cd ())
305 return pstatus (arg);
309 if (fd < 0 && ! open_cd ())
312 while (isspace (*arg))
315 return next_prev (arg, cmd);
318 if (fd < 0 && ! open_cd ())
321 return ioctl (fd, CDIOCPAUSE);
324 if (fd < 0 && ! open_cd ())
327 return ioctl (fd, CDIOCRESUME);
330 if (fd < 0 && ! open_cd ())
333 rc = ioctl (fd, CDIOCSTOP);
335 (void) ioctl (fd, CDIOCALLOW);
340 if (fd < 0 && ! open_cd ())
343 rc = ioctl (fd, CDIOCRESET);
351 if (fd < 0 && ! open_cd ())
354 if (! strcasecmp (arg, "on"))
355 return ioctl (fd, CDIOCSETDEBUG);
357 if (! strcasecmp (arg, "off"))
358 return ioctl (fd, CDIOCCLRDEBUG);
360 warnx("invalid command arguments");
365 if (fd < 0 && ! open_cd ())
368 (void) ioctl (fd, CDIOCALLOW);
369 rc = ioctl (fd, CDIOCEJECT);
375 if (fd < 0 && ! open_cd ())
378 (void) ioctl (fd, CDIOCALLOW);
379 rc = ioctl (fd, CDIOCCLOSE);
387 if (fd < 0 && ! open_cd ())
390 while (isspace (*arg))
396 if (! strcasecmp (arg, "msf"))
398 else if (! strcasecmp (arg, "lba"))
401 warnx("invalid command arguments");
405 if (fd < 0 && !open_cd ())
408 if (! strncasecmp (arg, "left", strlen(arg)))
409 return ioctl (fd, CDIOCSETLEFT);
411 if (! strncasecmp (arg, "right", strlen(arg)))
412 return ioctl (fd, CDIOCSETRIGHT);
414 if (! strncasecmp (arg, "mono", strlen(arg)))
415 return ioctl (fd, CDIOCSETMONO);
417 if (! strncasecmp (arg, "stereo", strlen(arg)))
418 return ioctl (fd, CDIOCSETSTERIO);
420 if (! strncasecmp (arg, "mute", strlen(arg)))
421 return ioctl (fd, CDIOCSETMUTE);
423 if (2 != sscanf (arg, "%d %d", &l, &r)) {
424 warnx("invalid command arguments");
428 return setvol (l, r);
431 if (fd < 0 && ! open_cd ())
435 if (strcasecmp("max", arg) == 0)
436 speed = CDR_MAX_SPEED;
438 speed = strtol(arg, NULL, 10) * 177;
439 if (speed <= 0 || speed > INT_MAX) {
440 warnx("invalid command arguments %s", arg);
443 return ioctl(fd, CDRIOCREADSPEED, &speed);
455 struct ioc_toc_header h;
457 int rc, start, end = 0, istart = 1, iend = 1;
459 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
464 n = h.ending_track - h.starting_track + 1;
465 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry));
470 if (! arg || ! *arg) {
471 /* Play the whole disc */
473 return play_blocks (0, msf2lba (toc_buffer[n].addr.msf.minute,
474 toc_buffer[n].addr.msf.second,
475 toc_buffer[n].addr.msf.frame));
477 return play_blocks (0, ntohl(toc_buffer[n].addr.lba));
480 if (strchr (arg, '#')) {
481 /* Play block #blk [ len ] */
484 if (2 != sscanf (arg, "#%d%d", &blk, &len) &&
485 1 != sscanf (arg, "#%d", &blk))
490 len = msf2lba (toc_buffer[n].addr.msf.minute,
491 toc_buffer[n].addr.msf.second,
492 toc_buffer[n].addr.msf.frame) - blk;
494 len = ntohl(toc_buffer[n].addr.lba) - blk;
496 return play_blocks (blk, len);
499 if (strchr (arg, ':')) {
501 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ]
503 * Will now also undestand timed addresses relative
504 * to the beginning of a track in the form...
506 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]
509 unsigned m1, m2, s1, s2, f1, f2;
510 unsigned char tm, ts, tf;
512 tr2 = m2 = s2 = f2 = f1 = 0;
513 if (8 == sscanf (arg, "%d %d:%d.%d %d %d:%d.%d",
514 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &f2))
515 goto Play_Relative_Addresses;
517 tr2 = m2 = s2 = f2 = f1 = 0;
518 if (7 == sscanf (arg, "%d %d:%d %d %d:%d.%d",
519 &tr1, &m1, &s1, &tr2, &m2, &s2, &f2))
520 goto Play_Relative_Addresses;
522 tr2 = m2 = s2 = f2 = f1 = 0;
523 if (7 == sscanf (arg, "%d %d:%d.%d %d %d:%d",
524 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2))
525 goto Play_Relative_Addresses;
527 tr2 = m2 = s2 = f2 = f1 = 0;
528 if (7 == sscanf (arg, "%d %d:%d.%d %d:%d.%d",
529 &tr1, &m1, &s1, &f1, &m2, &s2, &f2))
530 goto Play_Relative_Addresses;
532 tr2 = m2 = s2 = f2 = f1 = 0;
533 if (6 == sscanf (arg, "%d %d:%d.%d %d:%d",
534 &tr1, &m1, &s1, &f1, &m2, &s2))
535 goto Play_Relative_Addresses;
537 tr2 = m2 = s2 = f2 = f1 = 0;
538 if (6 == sscanf (arg, "%d %d:%d %d:%d.%d",
539 &tr1, &m1, &s1, &m2, &s2, &f2))
540 goto Play_Relative_Addresses;
542 tr2 = m2 = s2 = f2 = f1 = 0;
543 if (6 == sscanf (arg, "%d %d:%d.%d %d %d",
544 &tr1, &m1, &s1, &f1, &tr2, &m2))
545 goto Play_Relative_Addresses;
547 tr2 = m2 = s2 = f2 = f1 = 0;
548 if (5 == sscanf (arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, &s2))
549 goto Play_Relative_Addresses;
551 tr2 = m2 = s2 = f2 = f1 = 0;
552 if (5 == sscanf (arg, "%d %d:%d %d %d",
553 &tr1, &m1, &s1, &tr2, &m2))
554 goto Play_Relative_Addresses;
556 tr2 = m2 = s2 = f2 = f1 = 0;
557 if (5 == sscanf (arg, "%d %d:%d.%d %d",
558 &tr1, &m1, &s1, &f1, &tr2))
559 goto Play_Relative_Addresses;
561 tr2 = m2 = s2 = f2 = f1 = 0;
562 if (4 == sscanf (arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2))
563 goto Play_Relative_Addresses;
565 tr2 = m2 = s2 = f2 = f1 = 0;
566 if (4 == sscanf (arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1))
567 goto Play_Relative_Addresses;
569 tr2 = m2 = s2 = f2 = f1 = 0;
570 if (3 == sscanf (arg, "%d %d:%d", &tr1, &m1, &s1))
571 goto Play_Relative_Addresses;
573 tr2 = m2 = s2 = f2 = f1 = 0;
574 goto Try_Absolute_Timed_Addresses;
576 Play_Relative_Addresses:
583 tm = toc_buffer[tr1].addr.msf.minute;
584 ts = toc_buffer[tr1].addr.msf.second;
585 tf = toc_buffer[tr1].addr.msf.frame;
587 lba2msf(ntohl(toc_buffer[tr1].addr.lba),
594 printf ("Track %d is not that long.\n", tr1);
615 if (m2 || s2 || f2) {
633 m2 = toc_buffer[n].addr.msf.minute;
634 s2 = toc_buffer[n].addr.msf.second;
635 f2 = toc_buffer[n].addr.msf.frame;
637 lba2msf(ntohl(toc_buffer[n].addr.lba),
644 } else if (tr2 > n) {
651 tm = toc_buffer[tr2].addr.msf.minute;
652 ts = toc_buffer[tr2].addr.msf.second;
653 tf = toc_buffer[tr2].addr.msf.frame;
655 lba2msf(ntohl(toc_buffer[tr2].addr.lba),
673 tm = toc_buffer[n].addr.msf.minute;
674 ts = toc_buffer[n].addr.msf.second;
675 tf = toc_buffer[n].addr.msf.frame;
677 lba2msf(ntohl(toc_buffer[n].addr.lba),
685 printf ("The playing time of the disc is not that long.\n");
688 return (play_msf (m1, s1, f1, m2, s2, f2));
690 Try_Absolute_Timed_Addresses:
691 if (6 != sscanf (arg, "%d:%d.%d%d:%d.%d",
692 &m1, &s1, &f1, &m2, &s2, &f2) &&
693 5 != sscanf (arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) &&
694 5 != sscanf (arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) &&
695 3 != sscanf (arg, "%d:%d.%d", &m1, &s1, &f1) &&
696 4 != sscanf (arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) &&
697 2 != sscanf (arg, "%d:%d", &m1, &s1))
702 m2 = toc_buffer[n].addr.msf.minute;
703 s2 = toc_buffer[n].addr.msf.second;
704 f2 = toc_buffer[n].addr.msf.frame;
706 lba2msf(ntohl(toc_buffer[n].addr.lba),
713 return play_msf (m1, s1, f1, m2, s2, f2);
717 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ]
719 if (4 != sscanf (arg, "%d.%d%d.%d", &start, &istart, &end, &iend) &&
720 3 != sscanf (arg, "%d.%d%d", &start, &istart, &end) &&
721 3 != sscanf (arg, "%d%d.%d", &start, &end, &iend) &&
722 2 != sscanf (arg, "%d.%d", &start, &istart) &&
723 2 != sscanf (arg, "%d%d", &start, &end) &&
724 1 != sscanf (arg, "%d", &start))
729 return (play_track (start, istart, end, iend));
732 warnx("invalid command arguments");
736 int next_prev (char *arg, int cmd)
738 struct ioc_toc_header h;
739 int dir, junk, n, off, rc, trk;
741 dir = (cmd == CMD_NEXT) ? 1 : -1;
742 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
746 n = h.ending_track - h.starting_track + 1;
747 rc = status (&trk, &junk, &junk, &junk);
752 if (sscanf (arg, "%u", &off) != 1) {
753 warnx("invalid command argument");
760 if (trk > h.ending_track)
763 return (play_track (trk, 1, n, 1));
766 const char *strstatus (int sts)
769 case ASTS_INVALID: return ("invalid");
770 case ASTS_PLAYING: return ("playing");
771 case ASTS_PAUSED: return ("paused");
772 case ASTS_COMPLETED: return ("completed");
773 case ASTS_ERROR: return ("error");
774 case ASTS_VOID: return ("void");
775 default: return ("??");
779 int pstatus (char *arg)
782 struct ioc_read_subchannel ss;
783 struct cd_sub_channel_info data;
784 int rc, trk, m, s, f;
786 char *p, vmcn[(4 * 15) + 1];
788 while ((p = strtok(arg, " \t"))) {
790 if (!strncasecmp(p, "audio", strlen(p)))
791 what |= STATUS_AUDIO;
792 else if (!strncasecmp(p, "media", strlen(p)))
793 what |= STATUS_MEDIA;
794 else if (!strncasecmp(p, "volume", strlen(p)))
795 what |= STATUS_VOLUME;
797 warnx("invalid command arguments");
802 what = STATUS_AUDIO|STATUS_MEDIA|STATUS_VOLUME;
803 if (what & STATUS_AUDIO) {
804 rc = status (&trk, &m, &s, &f);
807 printf ("Audio status = %d<%s>, current track = %d, current position = %d:%02d.%02d\n",
808 rc, strstatus (rc), trk, m, s, f);
810 printf ("%d %d %d:%02d.%02d\n", rc, trk, m, s, f);
812 printf ("No current status info available\n");
814 if (what & STATUS_MEDIA) {
815 bzero (&ss, sizeof (ss));
817 ss.data_len = sizeof (data);
818 ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
819 ss.data_format = CD_MEDIA_CATALOG;
820 rc = ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &ss);
822 printf("Media catalog is %sactive",
823 ss.data->what.media_catalog.mc_valid ? "": "in");
824 if (ss.data->what.media_catalog.mc_valid &&
825 ss.data->what.media_catalog.mc_number[0])
827 strvisx (vmcn, ss.data->what.media_catalog.mc_number,
828 (sizeof (vmcn) - 1) / 4, VIS_OCTAL | VIS_NL);
829 printf(", number \"%.*s\"", (int)sizeof (vmcn), vmcn);
833 printf("No media catalog info available\n");
835 if (what & STATUS_VOLUME) {
836 rc = ioctl (fd, CDIOCGETVOL, &v);
839 printf ("Left volume = %d, right volume = %d\n",
842 printf ("%d %d\n", v.vol[0], v.vol[1]);
844 printf ("No volume level info available\n");
851 * Convert an integer to its text string representation, and
852 * compute its checksum. Used by dbprog_discid to derive the
856 * n - The integer value.
859 * The integer checksum.
868 /* For backward compatibility this algorithm must not change */
869 sprintf(buf, "%u", n);
870 for (p = buf; *p != '\0'; p++)
879 * Compute a magic disc ID based on the number of tracks,
880 * the length of each track, and a checksum of the string
881 * that represents the offset of each track.
884 * s - Pointer to the curstat_t structure.
887 * The integer disc ID.
892 struct ioc_toc_header h;
898 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
901 ntr = h.ending_track - h.starting_track + 1;
904 rc = read_toc_entrys ((ntr + 1) * sizeof (struct cd_toc_entry));
908 /* For backward compatibility this algorithm must not change */
909 for (i = 0; i < ntr; i++) {
910 #define TC_MM(a) toc_buffer[a].addr.msf.minute
911 #define TC_SS(a) toc_buffer[a].addr.msf.second
912 n += dbprog_sum((TC_MM(i) * 60) + TC_SS(i));
914 t += ((TC_MM(i+1) * 60) + TC_SS(i+1)) -
915 ((TC_MM(i) * 60) + TC_SS(i));
918 return((n % 0xff) << 24 | t << 8 | ntr);
925 id = dbprog_discid();
930 printf ("%08x\n",id);
935 int info (char *arg __unused)
937 struct ioc_toc_header h;
940 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
943 printf ("Starting track = %d, ending track = %d, TOC size = %d bytes\n",
944 h.starting_track, h.ending_track, h.len);
946 printf ("%d %d %d\n", h.starting_track,
947 h.ending_track, h.len);
949 warn("getting toc header");
953 n = h.ending_track - h.starting_track + 1;
954 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry));
959 printf ("track start duration block length type\n");
960 printf ("-------------------------------------------------\n");
963 for (i = 0; i < n; i++) {
964 printf ("%5d ", toc_buffer[i].track);
965 prtrack (toc_buffer + i, 0);
967 printf ("%5d ", toc_buffer[n].track);
968 prtrack (toc_buffer + n, 1);
972 void lba2msf (unsigned long lba, u_char *m, u_char *s, u_char *f)
974 lba += 150; /* block start offset */
975 lba &= 0xffffff; /* negative lbas use only 24 bits */
976 *m = lba / (60 * 75);
982 unsigned int msf2lba (u_char m, u_char s, u_char f)
984 return (((m * 60) + s) * 75 + f) - 150;
987 void prtrack (struct cd_toc_entry *e, int lastflag)
989 int block, next, len;
993 /* Print track start */
994 printf ("%2d:%02d.%02d ", e->addr.msf.minute,
995 e->addr.msf.second, e->addr.msf.frame);
997 block = msf2lba (e->addr.msf.minute, e->addr.msf.second,
1000 block = ntohl(e->addr.lba);
1001 lba2msf(block, &m, &s, &f);
1002 /* Print track start */
1003 printf ("%2d:%02d.%02d ", m, s, f);
1006 /* Last track -- print block */
1007 printf (" - %6d - -\n", block);
1012 next = msf2lba (e[1].addr.msf.minute, e[1].addr.msf.second,
1013 e[1].addr.msf.frame);
1015 next = ntohl(e[1].addr.lba);
1017 /* Take into account a start offset time. */
1018 lba2msf (len - 150, &m, &s, &f);
1020 /* Print duration, block, length, type */
1021 printf ("%2d:%02d.%02d %6d %6d %5s\n", m, s, f, block, len,
1022 (e->control & 4) ? "data" : "audio");
1025 int play_track (int tstart, int istart, int tend, int iend)
1027 struct ioc_play_track t;
1029 t.start_track = tstart;
1030 t.start_index = istart;
1034 return ioctl (fd, CDIOCPLAYTRACKS, &t);
1037 int play_blocks (int blk, int len)
1039 struct ioc_play_blocks t;
1044 return ioctl (fd, CDIOCPLAYBLOCKS, &t);
1047 int setvol (int left, int right)
1056 return ioctl (fd, CDIOCSETVOL, &v);
1059 int read_toc_entrys (int len)
1061 struct ioc_read_toc_entry t;
1063 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
1064 t.starting_track = 0;
1066 t.data = toc_buffer;
1068 return (ioctl (fd, CDIOREADTOCENTRYS, (char *) &t));
1071 int play_msf (int start_m, int start_s, int start_f,
1072 int end_m, int end_s, int end_f)
1074 struct ioc_play_msf a;
1076 a.start_m = start_m;
1077 a.start_s = start_s;
1078 a.start_f = start_f;
1083 return ioctl (fd, CDIOCPLAYMSF, (char *) &a);
1086 int status (int *trk, int *min, int *sec, int *frame)
1088 struct ioc_read_subchannel s;
1089 struct cd_sub_channel_info data;
1092 bzero (&s, sizeof (s));
1094 s.data_len = sizeof (data);
1095 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
1096 s.data_format = CD_CURRENT_POSITION;
1098 if (ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0)
1101 *trk = s.data->what.position.track_number;
1103 *min = s.data->what.position.reladdr.msf.minute;
1104 *sec = s.data->what.position.reladdr.msf.second;
1105 *frame = s.data->what.position.reladdr.msf.frame;
1107 lba2msf(ntohl(s.data->what.position.reladdr.lba),
1114 return s.data->header.audio_status;
1120 return ("cdcontrol> ");
1127 static EditLine *el = NULL;
1128 static History *hist = NULL;
1129 static char buf[MAXLINE];
1132 const char *bp = NULL;
1138 el = el_init("cdcontrol", stdin, stdout);
1139 hist = history_init();
1140 history(hist, H_EVENT, 100);
1141 el_set(el, EL_HIST, history, hist);
1142 el_set(el, EL_EDITOR, "emacs");
1143 el_set(el, EL_PROMPT, cdcontrol_prompt);
1144 el_set(el, EL_SIGNAL, 1);
1145 el_source(el, NULL);
1147 if ((bp = el_gets(el, &num)) == NULL || num == 0) {
1149 fprintf (stderr, "\r\n");
1153 len = (num > MAXLINE) ? MAXLINE : num;
1154 memcpy(buf, bp, len);
1156 history(hist, H_ENTER, bp);
1160 if (! fgets (buf, sizeof (buf), stdin)) {
1162 fprintf (stderr, "\r\n");
1166 p = parse (buf, cmd);
1171 char *parse (char *buf, int *cmd)
1177 for (p=buf; isspace (*p); p++)
1180 if (isdigit (*p) || (p[0] == '#' && isdigit (p[1]))) {
1183 } else if (*p == '+') {
1186 } else if (*p == '-') {
1187 *cmd = CMD_PREVIOUS;
1191 for (buf = p; *p && ! isspace (*p); p++)
1198 if (*p) { /* It must be a spacing character! */
1202 for (q=p; *q && *q != '\n' && *q != '\r'; q++)
1208 for (c=cmdtab; c->name; ++c) {
1209 /* Is it an exact match? */
1210 if (! strcasecmp (buf, c->name)) {
1215 /* Try short hand forms then... */
1216 if (len >= c->min && ! strncasecmp (buf, c->name, len)) {
1217 if (*cmd != -1 && *cmd != c->command) {
1218 warnx("ambiguous command");
1226 warnx("invalid command, enter ``help'' for commands");
1230 while (isspace (*p))
1237 char devbuf[MAXPATHLEN];
1242 if (*cdname == '/') {
1243 snprintf (devbuf, MAXPATHLEN, "%s", cdname);
1245 snprintf (devbuf, MAXPATHLEN, "%s%s", _PATH_DEV, cdname);
1248 fd = open (devbuf, O_RDONLY);
1250 if (fd < 0 && errno == ENOENT) {
1251 strcat (devbuf, DEFAULT_CD_PARTITION);
1252 fd = open (devbuf, O_RDONLY);
1256 if (errno == ENXIO) {
1257 /* ENXIO has an overloaded meaning here.
1258 * The original "Device not configured" should
1259 * be interpreted as "No disc in drive %s". */
1260 warnx("no disc in drive %s", devbuf);
1263 err(1, "%s", devbuf);