1 /* 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 4 * Andrey A. Chernov. 5 * 6 * Fixed and further modified on 5-Sep-1995 by Jukka Ukkonen <jau@funet.fi>. 7 * 8 * 11-Sep-1995: Jukka A. Ukkonen <jau@funet.fi> 9 * A couple of further fixes to my own earlier "fixes". 10 * 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. 15 * 16 * 11-Oct-1995: Serge V.Vakulenko <vak@cronyx.ru> 17 * New eject algorithm. 18 * Some code style reformatting. 19 * 20 * $FreeBSD: src/usr.sbin/cdcontrol/cdcontrol.c,v 1.24.2.11 2002/11/20 00:26:19 njl Exp $ 21 */ 22 23 #include <sys/cdio.h> 24 #include <sys/cdrio.h> 25 #include <sys/ioctl.h> 26 #include <sys/param.h> 27 #include <ctype.h> 28 #include <err.h> 29 #include <errno.h> 30 #include <fcntl.h> 31 #include <histedit.h> 32 #include <limits.h> 33 #include <paths.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <unistd.h> 38 #include <vis.h> 39 40 #define VERSION "2.0" 41 42 #define ASTS_INVALID 0x00 /* Audio status byte not valid */ 43 #define ASTS_PLAYING 0x11 /* Audio play operation in progress */ 44 #define ASTS_PAUSED 0x12 /* Audio play operation paused */ 45 #define ASTS_COMPLETED 0x13 /* Audio play operation successfully completed */ 46 #define ASTS_ERROR 0x14 /* Audio play operation stopped due to error */ 47 #define ASTS_VOID 0x15 /* No current audio status to return */ 48 49 #ifndef DEFAULT_CD_DRIVE 50 # define DEFAULT_CD_DRIVE "/dev/cd0c" 51 #endif 52 53 #ifndef DEFAULT_CD_PARTITION 54 # define DEFAULT_CD_PARTITION "c" 55 #endif 56 57 #define CMD_DEBUG 1 58 #define CMD_EJECT 2 59 #define CMD_HELP 3 60 #define CMD_INFO 4 61 #define CMD_PAUSE 5 62 #define CMD_PLAY 6 63 #define CMD_QUIT 7 64 #define CMD_RESUME 8 65 #define CMD_STOP 9 66 #define CMD_VOLUME 10 67 #define CMD_CLOSE 11 68 #define CMD_RESET 12 69 #define CMD_SET 13 70 #define CMD_STATUS 14 71 #define CMD_CDID 15 72 #define CMD_NEXT 16 73 #define CMD_PREVIOUS 17 74 #define CMD_SPEED 18 75 #define STATUS_AUDIO 0x1 76 #define STATUS_MEDIA 0x2 77 #define STATUS_VOLUME 0x4 78 79 static struct cmdtab { 80 int command; 81 const char *name; 82 unsigned min; 83 const char *args; 84 } cmdtab[] = { 85 { CMD_CLOSE, "close", 1, "" }, 86 { CMD_DEBUG, "debug", 1, "on | off" }, 87 { CMD_EJECT, "eject", 1, "" }, 88 { CMD_HELP, "?", 1, 0 }, 89 { CMD_HELP, "help", 1, "" }, 90 { CMD_INFO, "info", 1, "" }, 91 { CMD_NEXT, "next", 1, "" }, 92 { CMD_PAUSE, "pause", 2, "" }, 93 { CMD_PLAY, "play", 1, "min1:sec1[.fram1] [min2:sec2[.fram2]]" }, 94 { CMD_PLAY, "play", 1, "track1[.index1] [track2[.index2]]" }, 95 { CMD_PLAY, "play", 1, "tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]" }, 96 { CMD_PLAY, "play", 1, "[#block [len]]" }, 97 { CMD_PREVIOUS, "previous", 2, "" }, 98 { CMD_QUIT, "quit", 1, "" }, 99 { CMD_QUIT, "exit", 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" }, 109 { 0, NULL, 0, NULL } 110 }; 111 112 static struct cd_toc_entry toc_buffer[100]; 113 114 static const char *cdname; 115 static int fd = -1; 116 static int verbose = 1; 117 static int msf = 1; 118 119 static int setvol(int, int); 120 static int read_toc_entrys(int); 121 static int play_msf(int, int, int, int, int, int); 122 static int play_track(int, int, int, int); 123 static int status(int *, int *, int *, int *); 124 static int open_cd(void); 125 static int next_prev(char *arg, int); 126 static int play(char *arg); 127 static int info(char *arg); 128 static int cdid(void); 129 static int pstatus(char *arg); 130 static char *input(int *); 131 static void prtrack(struct cd_toc_entry *e, int lastflag); 132 static void lba2msf(unsigned long lba, 133 u_char *m, u_char *s, u_char *f); 134 static unsigned int msf2lba(u_char m, u_char s, u_char f); 135 static int play_blocks(int blk, int len); 136 static int run(int cmd, char *arg); 137 static char *parse(char *buf, int *cmd); 138 static void help(void); 139 static void usage(void) __dead2; 140 static char *use_cdrom_instead(const char *); 141 static const char *strstatus(int); 142 static u_int dbprog_discid(void); 143 static const char *cdcontrol_prompt(void); 144 145 static void 146 help(void) 147 { 148 struct cmdtab *c; 149 const char *s; 150 char n; 151 int i; 152 153 for (c=cmdtab; c->name; ++c) { 154 if (! c->args) 155 continue; 156 printf("\t"); 157 for (i = c->min, s = c->name; *s; s++, i--) { 158 if (i > 0) 159 n = toupper(*s); 160 else 161 n = *s; 162 putchar(n); 163 } 164 if (*c->args) 165 printf (" %s", c->args); 166 printf ("\n"); 167 } 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"); 170 } 171 172 static void 173 usage(void) 174 { 175 fprintf (stderr, "usage: cdcontrol [-sv] [-f device] [command ...]\n"); 176 exit (1); 177 } 178 179 static char * 180 use_cdrom_instead(const char *old_envvar) 181 { 182 char *device; 183 184 device = getenv(old_envvar); 185 if (device) 186 warnx("%s environment variable deprecated, " 187 "please use CDROM in the future.", old_envvar); 188 return device; 189 } 190 191 192 int 193 main(int argc, char **argv) 194 { 195 int cmd; 196 char *arg; 197 198 for (;;) { 199 switch (getopt (argc, argv, "svhf:")) { 200 case EOF: 201 break; 202 case 's': 203 verbose = 0; 204 continue; 205 case 'v': 206 verbose = 2; 207 continue; 208 case 'f': 209 cdname = optarg; 210 continue; 211 case 'h': 212 default: 213 usage (); 214 } 215 break; 216 } 217 argc -= optind; 218 argv += optind; 219 220 if (argc > 0 && ! strcasecmp (*argv, "help")) 221 usage (); 222 223 if (! cdname) { 224 cdname = getenv("CDROM"); 225 } 226 227 if (! cdname) 228 cdname = use_cdrom_instead("MUSIC_CD"); 229 if (! cdname) 230 cdname = use_cdrom_instead("CD_DRIVE"); 231 if (! cdname) 232 cdname = use_cdrom_instead("DISC"); 233 if (! cdname) 234 cdname = use_cdrom_instead("CDPLAY"); 235 236 if (! cdname) { 237 cdname = DEFAULT_CD_DRIVE; 238 warnx("no CD device name specified, defaulting to %s", cdname); 239 } 240 241 if (argc > 0) { 242 char buf[80], *p; 243 int len; 244 245 for (p=buf; argc-->0; ++argv) { 246 len = strlen (*argv); 247 248 if (p + len >= buf + sizeof (buf) - 1) 249 usage (); 250 251 if (p > buf) 252 *p++ = ' '; 253 254 strcpy (p, *argv); 255 p += len; 256 } 257 *p = 0; 258 arg = parse (buf, &cmd); 259 return (run (cmd, arg)); 260 } 261 262 if (verbose == 1) 263 verbose = isatty (0); 264 265 if (verbose) { 266 printf ("Compact Disc Control utility, version %s\n", VERSION); 267 printf ("Type `?' for command list\n\n"); 268 } 269 270 for (;;) { 271 arg = input (&cmd); 272 if (run (cmd, arg) < 0) { 273 if (verbose) 274 warn(NULL); 275 close (fd); 276 fd = -1; 277 } 278 fflush (stdout); 279 } 280 } 281 282 static int 283 run(int cmd, char *arg) 284 { 285 long speed; 286 int l, r, rc; 287 288 switch (cmd) { 289 290 case CMD_QUIT: 291 exit (0); 292 293 case CMD_INFO: 294 if (fd < 0 && ! open_cd ()) 295 return (0); 296 297 return info (arg); 298 299 case CMD_CDID: 300 if (fd < 0 && ! open_cd ()) 301 return (0); 302 303 return cdid (); 304 305 case CMD_STATUS: 306 if (fd < 0 && ! open_cd ()) 307 return (0); 308 309 return pstatus (arg); 310 311 case CMD_NEXT: 312 case CMD_PREVIOUS: 313 if (fd < 0 && ! open_cd ()) 314 return (0); 315 316 while (isspace (*arg)) 317 arg++; 318 319 return next_prev (arg, cmd); 320 321 case CMD_PAUSE: 322 if (fd < 0 && ! open_cd ()) 323 return (0); 324 325 return ioctl (fd, CDIOCPAUSE); 326 327 case CMD_RESUME: 328 if (fd < 0 && ! open_cd ()) 329 return (0); 330 331 return ioctl (fd, CDIOCRESUME); 332 333 case CMD_STOP: 334 if (fd < 0 && ! open_cd ()) 335 return (0); 336 337 rc = ioctl (fd, CDIOCSTOP); 338 339 ioctl (fd, CDIOCALLOW); 340 341 return (rc); 342 343 case CMD_RESET: 344 if (fd < 0 && ! open_cd ()) 345 return (0); 346 347 rc = ioctl (fd, CDIOCRESET); 348 if (rc < 0) 349 return rc; 350 close(fd); 351 fd = -1; 352 return (0); 353 354 case CMD_DEBUG: 355 if (fd < 0 && ! open_cd ()) 356 return (0); 357 358 if (! strcasecmp (arg, "on")) 359 return ioctl (fd, CDIOCSETDEBUG); 360 361 if (! strcasecmp (arg, "off")) 362 return ioctl (fd, CDIOCCLRDEBUG); 363 364 warnx("invalid command arguments"); 365 366 return (0); 367 368 case CMD_EJECT: 369 if (fd < 0 && ! open_cd ()) 370 return (0); 371 372 ioctl (fd, CDIOCALLOW); 373 rc = ioctl (fd, CDIOCEJECT); 374 if (rc < 0) 375 return (rc); 376 return (0); 377 378 case CMD_CLOSE: 379 if (fd < 0 && ! open_cd ()) 380 return (0); 381 382 ioctl (fd, CDIOCALLOW); 383 rc = ioctl (fd, CDIOCCLOSE); 384 if (rc < 0) 385 return (rc); 386 close(fd); 387 fd = -1; 388 return (0); 389 390 case CMD_PLAY: 391 if (fd < 0 && ! open_cd ()) 392 return (0); 393 394 while (isspace (*arg)) 395 arg++; 396 397 return play (arg); 398 399 case CMD_SET: 400 if (! strcasecmp (arg, "msf")) 401 msf = 1; 402 else if (! strcasecmp (arg, "lba")) 403 msf = 0; 404 else 405 warnx("invalid command arguments"); 406 return (0); 407 408 case CMD_VOLUME: 409 if (fd < 0 && !open_cd ()) 410 return (0); 411 412 if (! strncasecmp (arg, "left", strlen(arg))) 413 return ioctl (fd, CDIOCSETLEFT); 414 415 if (! strncasecmp (arg, "right", strlen(arg))) 416 return ioctl (fd, CDIOCSETRIGHT); 417 418 if (! strncasecmp (arg, "mono", strlen(arg))) 419 return ioctl (fd, CDIOCSETMONO); 420 421 if (! strncasecmp (arg, "stereo", strlen(arg))) 422 return ioctl (fd, CDIOCSETSTEREO); 423 424 if (! strncasecmp (arg, "mute", strlen(arg))) 425 return ioctl (fd, CDIOCSETMUTE); 426 427 if (2 != sscanf (arg, "%d %d", &l, &r)) { 428 warnx("invalid command arguments"); 429 return (0); 430 } 431 432 return setvol (l, r); 433 434 case CMD_SPEED: 435 if (fd < 0 && ! open_cd ()) 436 return (0); 437 438 errno = 0; 439 if (strcasecmp("max", arg) == 0) 440 speed = CDR_MAX_SPEED; 441 else 442 speed = strtol(arg, NULL, 10) * 177; 443 if (speed <= 0 || speed > INT_MAX) { 444 warnx("invalid command arguments %s", arg); 445 return (0); 446 } 447 return ioctl(fd, CDRIOCREADSPEED, &speed); 448 449 default: 450 case CMD_HELP: 451 help (); 452 return (0); 453 454 } 455 } 456 457 static int 458 play(char *arg) 459 { 460 struct ioc_toc_header h; 461 unsigned int n; 462 int rc, start, end = 0, istart = 1, iend = 1; 463 464 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 465 466 if (rc < 0) 467 return (rc); 468 469 n = h.ending_track - h.starting_track + 1; 470 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry)); 471 472 if (rc < 0) 473 return (rc); 474 475 if (! arg || ! *arg) { 476 /* Play the whole disc */ 477 if (msf) 478 return play_blocks (0, msf2lba (toc_buffer[n].addr.msf.minute, 479 toc_buffer[n].addr.msf.second, 480 toc_buffer[n].addr.msf.frame)); 481 else 482 return play_blocks (0, ntohl(toc_buffer[n].addr.lba)); 483 } 484 485 if (strchr (arg, '#')) { 486 /* Play block #blk [ len ] */ 487 int blk, len = 0; 488 489 if (2 != sscanf (arg, "#%d%d", &blk, &len) && 490 1 != sscanf (arg, "#%d", &blk)) 491 goto Clean_up; 492 493 if (len == 0) { 494 if (msf) 495 len = msf2lba (toc_buffer[n].addr.msf.minute, 496 toc_buffer[n].addr.msf.second, 497 toc_buffer[n].addr.msf.frame) - blk; 498 else 499 len = ntohl(toc_buffer[n].addr.lba) - blk; 500 } 501 return play_blocks (blk, len); 502 } 503 504 if (strchr (arg, ':')) { 505 /* 506 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ] 507 * 508 * Will now also undestand timed addresses relative 509 * to the beginning of a track in the form... 510 * 511 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]] 512 */ 513 unsigned tr1, tr2; 514 unsigned m1, m2, s1, s2, f1, f2; 515 unsigned char tm, ts, tf; 516 517 tr2 = m2 = s2 = f2 = f1 = 0; 518 if (8 == sscanf (arg, "%d %d:%d.%d %d %d:%d.%d", 519 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &f2)) 520 goto Play_Relative_Addresses; 521 522 tr2 = m2 = s2 = f2 = f1 = 0; 523 if (7 == sscanf (arg, "%d %d:%d %d %d:%d.%d", 524 &tr1, &m1, &s1, &tr2, &m2, &s2, &f2)) 525 goto Play_Relative_Addresses; 526 527 tr2 = m2 = s2 = f2 = f1 = 0; 528 if (7 == sscanf (arg, "%d %d:%d.%d %d %d:%d", 529 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2)) 530 goto Play_Relative_Addresses; 531 532 tr2 = m2 = s2 = f2 = f1 = 0; 533 if (7 == sscanf (arg, "%d %d:%d.%d %d:%d.%d", 534 &tr1, &m1, &s1, &f1, &m2, &s2, &f2)) 535 goto Play_Relative_Addresses; 536 537 tr2 = m2 = s2 = f2 = f1 = 0; 538 if (6 == sscanf (arg, "%d %d:%d.%d %d:%d", 539 &tr1, &m1, &s1, &f1, &m2, &s2)) 540 goto Play_Relative_Addresses; 541 542 tr2 = m2 = s2 = f2 = f1 = 0; 543 if (6 == sscanf (arg, "%d %d:%d %d:%d.%d", 544 &tr1, &m1, &s1, &m2, &s2, &f2)) 545 goto Play_Relative_Addresses; 546 547 tr2 = m2 = s2 = f2 = f1 = 0; 548 if (6 == sscanf (arg, "%d %d:%d.%d %d %d", 549 &tr1, &m1, &s1, &f1, &tr2, &m2)) 550 goto Play_Relative_Addresses; 551 552 tr2 = m2 = s2 = f2 = f1 = 0; 553 if (5 == sscanf (arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, &s2)) 554 goto Play_Relative_Addresses; 555 556 tr2 = m2 = s2 = f2 = f1 = 0; 557 if (5 == sscanf (arg, "%d %d:%d %d %d", 558 &tr1, &m1, &s1, &tr2, &m2)) 559 goto Play_Relative_Addresses; 560 561 tr2 = m2 = s2 = f2 = f1 = 0; 562 if (5 == sscanf (arg, "%d %d:%d.%d %d", 563 &tr1, &m1, &s1, &f1, &tr2)) 564 goto Play_Relative_Addresses; 565 566 tr2 = m2 = s2 = f2 = f1 = 0; 567 if (4 == sscanf (arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2)) 568 goto Play_Relative_Addresses; 569 570 tr2 = m2 = s2 = f2 = f1 = 0; 571 if (4 == sscanf (arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1)) 572 goto Play_Relative_Addresses; 573 574 tr2 = m2 = s2 = f2 = f1 = 0; 575 if (3 == sscanf (arg, "%d %d:%d", &tr1, &m1, &s1)) 576 goto Play_Relative_Addresses; 577 578 tr2 = m2 = s2 = f2 = f1 = 0; 579 goto Try_Absolute_Timed_Addresses; 580 581 Play_Relative_Addresses: 582 if (tr1 == 0) 583 tr1 = 1; 584 else if (tr1 > n) 585 tr1 = n; 586 587 tr1--; 588 589 if (msf) { 590 tm = toc_buffer[tr1].addr.msf.minute; 591 ts = toc_buffer[tr1].addr.msf.second; 592 tf = toc_buffer[tr1].addr.msf.frame; 593 } else 594 lba2msf(ntohl(toc_buffer[tr1].addr.lba), 595 &tm, &ts, &tf); 596 if ((m1 > tm) 597 || ((m1 == tm) 598 && ((s1 > ts) 599 || ((s1 == ts) 600 && (f1 > tf))))) { 601 printf ("Track %d is not that long.\n", tr1 + 1); 602 return (0); 603 } 604 605 f1 += tf; 606 if (f1 >= 75) { 607 s1 += f1 / 75; 608 f1 %= 75; 609 } 610 611 s1 += ts; 612 if (s1 >= 60) { 613 m1 += s1 / 60; 614 s1 %= 60; 615 } 616 617 m1 += tm; 618 619 if (! tr2) { 620 if (m2 || s2 || f2) { 621 tr2 = tr1; 622 f2 += f1; 623 if (f2 >= 75) { 624 s2 += f2 / 75; 625 f2 %= 75; 626 } 627 628 s2 += s1; 629 if (s2 > 60) { 630 m2 += s2 / 60; 631 s2 %= 60; 632 } 633 634 m2 += m1; 635 } else { 636 tr2 = n; 637 if (msf) { 638 m2 = toc_buffer[n].addr.msf.minute; 639 s2 = toc_buffer[n].addr.msf.second; 640 f2 = toc_buffer[n].addr.msf.frame; 641 } else { 642 lba2msf(ntohl(toc_buffer[n].addr.lba), 643 &tm, &ts, &tf); 644 m2 = tm; 645 s2 = ts; 646 f2 = tf; 647 } 648 } 649 } else if (tr2 > n) { 650 tr2 = n; 651 m2 = s2 = f2 = 0; 652 } else { 653 if (m2 || s2 || f2) 654 tr2--; 655 if (msf) { 656 tm = toc_buffer[tr2].addr.msf.minute; 657 ts = toc_buffer[tr2].addr.msf.second; 658 tf = toc_buffer[tr2].addr.msf.frame; 659 } else 660 lba2msf(ntohl(toc_buffer[tr2].addr.lba), 661 &tm, &ts, &tf); 662 f2 += tf; 663 if (f2 >= 75) { 664 s2 += f2 / 75; 665 f2 %= 75; 666 } 667 668 s2 += ts; 669 if (s2 > 60) { 670 m2 += s2 / 60; 671 s2 %= 60; 672 } 673 674 m2 += tm; 675 } 676 677 if (msf) { 678 tm = toc_buffer[n].addr.msf.minute; 679 ts = toc_buffer[n].addr.msf.second; 680 tf = toc_buffer[n].addr.msf.frame; 681 } else 682 lba2msf(ntohl(toc_buffer[n].addr.lba), 683 &tm, &ts, &tf); 684 if ((tr2 < n) 685 && ((m2 > tm) 686 || ((m2 == tm) 687 && ((s2 > ts) 688 || ((s2 == ts) 689 && (f2 > tf)))))) { 690 printf ("The playing time of the disc is not that long.\n"); 691 return (0); 692 } 693 return (play_msf (m1, s1, f1, m2, s2, f2)); 694 695 Try_Absolute_Timed_Addresses: 696 if (6 != sscanf (arg, "%d:%d.%d%d:%d.%d", 697 &m1, &s1, &f1, &m2, &s2, &f2) && 698 5 != sscanf (arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) && 699 5 != sscanf (arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) && 700 3 != sscanf (arg, "%d:%d.%d", &m1, &s1, &f1) && 701 4 != sscanf (arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) && 702 2 != sscanf (arg, "%d:%d", &m1, &s1)) 703 goto Clean_up; 704 705 if (m2 == 0) { 706 if (msf) { 707 m2 = toc_buffer[n].addr.msf.minute; 708 s2 = toc_buffer[n].addr.msf.second; 709 f2 = toc_buffer[n].addr.msf.frame; 710 } else { 711 lba2msf(ntohl(toc_buffer[n].addr.lba), 712 &tm, &ts, &tf); 713 m2 = tm; 714 s2 = ts; 715 f2 = tf; 716 } 717 } 718 return play_msf (m1, s1, f1, m2, s2, f2); 719 } 720 721 /* 722 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ] 723 */ 724 if (4 != sscanf (arg, "%d.%d%d.%d", &start, &istart, &end, &iend) && 725 3 != sscanf (arg, "%d.%d%d", &start, &istart, &end) && 726 3 != sscanf (arg, "%d%d.%d", &start, &end, &iend) && 727 2 != sscanf (arg, "%d.%d", &start, &istart) && 728 2 != sscanf (arg, "%d%d", &start, &end) && 729 1 != sscanf (arg, "%d", &start)) 730 goto Clean_up; 731 732 if (end == 0) 733 end = n; 734 return (play_track (start, istart, end, iend)); 735 736 Clean_up: 737 warnx("invalid command arguments"); 738 return (0); 739 } 740 741 static int 742 next_prev(char *arg, int cmd) 743 { 744 struct ioc_toc_header h; 745 int dir, junk, n, off, rc, trk; 746 747 dir = (cmd == CMD_NEXT) ? 1 : -1; 748 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 749 if (rc < 0) 750 return (rc); 751 752 n = h.ending_track - h.starting_track + 1; 753 rc = status (&trk, &junk, &junk, &junk); 754 if (rc < 0) 755 return (-1); 756 757 if (arg && *arg) { 758 if (sscanf (arg, "%u", &off) != 1) { 759 warnx("invalid command argument"); 760 return (0); 761 } else 762 trk += off * dir; 763 } else 764 trk += dir; 765 766 if (trk > h.ending_track) 767 trk = 1; 768 769 return (play_track (trk, 1, n, 1)); 770 } 771 772 static const char * 773 strstatus(int sts) 774 { 775 switch (sts) { 776 case ASTS_INVALID: return ("invalid"); 777 case ASTS_PLAYING: return ("playing"); 778 case ASTS_PAUSED: return ("paused"); 779 case ASTS_COMPLETED: return ("completed"); 780 case ASTS_ERROR: return ("error"); 781 case ASTS_VOID: return ("void"); 782 default: return ("??"); 783 } 784 } 785 786 static int 787 pstatus(char *arg) 788 { 789 struct ioc_vol v; 790 struct ioc_read_subchannel ss; 791 struct cd_sub_channel_info data; 792 int rc, trk, m, s, f; 793 int what = 0; 794 char *p, vmcn[(4 * 15) + 1]; 795 796 while ((p = strtok(arg, " \t"))) { 797 arg = NULL; 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; 804 else { 805 warnx("invalid command arguments"); 806 return 0; 807 } 808 } 809 if (!what) 810 what = STATUS_AUDIO|STATUS_MEDIA|STATUS_VOLUME; 811 if (what & STATUS_AUDIO) { 812 rc = status (&trk, &m, &s, &f); 813 if (rc >= 0) 814 if (verbose) 815 printf ("Audio status = %d<%s>, current track = %d, current position = %d:%02d.%02d\n", 816 rc, strstatus (rc), trk, m, s, f); 817 else 818 printf ("%d %d %d:%02d.%02d\n", rc, trk, m, s, f); 819 else 820 printf ("No current status info available\n"); 821 } 822 if (what & STATUS_MEDIA) { 823 bzero (&ss, sizeof (ss)); 824 ss.data = &data; 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); 829 if (rc >= 0) { 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]) 834 { 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); 838 } 839 putchar('\n'); 840 } else 841 printf("No media catalog info available\n"); 842 } 843 if (what & STATUS_VOLUME) { 844 rc = ioctl (fd, CDIOCGETVOL, &v); 845 if (rc >= 0) 846 if (verbose) 847 printf ("Left volume = %d, right volume = %d\n", 848 v.vol[0], v.vol[1]); 849 else 850 printf ("%d %d\n", v.vol[0], v.vol[1]); 851 else 852 printf ("No volume level info available\n"); 853 } 854 return(0); 855 } 856 857 /* 858 * dbprog_sum 859 * Convert an integer to its text string representation, and 860 * compute its checksum. Used by dbprog_discid to derive the 861 * disc ID. 862 * 863 * Args: 864 * n - The integer value. 865 * 866 * Return: 867 * The integer checksum. 868 */ 869 static int 870 dbprog_sum(int n) 871 { 872 char buf[12], 873 *p; 874 int ret = 0; 875 876 /* For backward compatibility this algorithm must not change */ 877 sprintf(buf, "%u", n); 878 for (p = buf; *p != '\0'; p++) 879 ret += (*p - '0'); 880 881 return(ret); 882 } 883 884 885 /* 886 * dbprog_discid 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. 890 * 891 * Args: 892 * s - Pointer to the curstat_t structure. 893 * 894 * Return: 895 * The integer disc ID. 896 */ 897 static u_int 898 dbprog_discid(void) 899 { 900 struct ioc_toc_header h; 901 int rc; 902 int i, ntr, 903 t = 0, 904 n = 0; 905 906 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 907 if (rc < 0) 908 return 0; 909 ntr = h.ending_track - h.starting_track + 1; 910 i = msf; 911 msf = 1; 912 rc = read_toc_entrys ((ntr + 1) * sizeof (struct cd_toc_entry)); 913 msf = i; 914 if (rc < 0) 915 return 0; 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)); 921 922 t += ((TC_MM(i+1) * 60) + TC_SS(i+1)) - 923 ((TC_MM(i) * 60) + TC_SS(i)); 924 } 925 926 return((n % 0xff) << 24 | t << 8 | ntr); 927 } 928 929 static int 930 cdid(void) 931 { 932 u_int id; 933 934 id = dbprog_discid(); 935 if (id) 936 { 937 if (verbose) 938 printf ("CDID="); 939 printf ("%08x\n",id); 940 } 941 return id ? 0 : 1; 942 } 943 944 static int 945 info(char *arg __unused) 946 { 947 struct ioc_toc_header h; 948 int rc, i, n; 949 950 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 951 if (rc >= 0) { 952 if (verbose) 953 printf ("Starting track = %d, ending track = %d, TOC size = %d bytes\n", 954 h.starting_track, h.ending_track, h.len); 955 else 956 printf ("%d %d %d\n", h.starting_track, 957 h.ending_track, h.len); 958 } else { 959 warn("getting toc header"); 960 return (rc); 961 } 962 963 n = h.ending_track - h.starting_track + 1; 964 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry)); 965 if (rc < 0) 966 return (rc); 967 968 if (verbose) { 969 printf ("track start duration block length type\n"); 970 printf ("-------------------------------------------------\n"); 971 } 972 973 for (i = 0; i < n; i++) { 974 printf ("%5d ", toc_buffer[i].track); 975 prtrack (toc_buffer + i, 0); 976 } 977 printf ("%5d ", toc_buffer[n].track); 978 prtrack (toc_buffer + n, 1); 979 return (0); 980 } 981 982 static void 983 lba2msf(unsigned long lba, u_char *m, u_char *s, u_char *f) 984 { 985 lba += 150; /* block start offset */ 986 lba &= 0xffffff; /* negative lbas use only 24 bits */ 987 *m = lba / (60 * 75); 988 lba %= (60 * 75); 989 *s = lba / 75; 990 *f = lba % 75; 991 } 992 993 static unsigned int 994 msf2lba(u_char m, u_char s, u_char f) 995 { 996 return (((m * 60) + s) * 75 + f) - 150; 997 } 998 999 static void 1000 prtrack(struct cd_toc_entry *e, int lastflag) 1001 { 1002 int block, next, len; 1003 u_char m, s, f; 1004 1005 if (msf) { 1006 /* Print track start */ 1007 printf ("%2d:%02d.%02d ", e->addr.msf.minute, 1008 e->addr.msf.second, e->addr.msf.frame); 1009 1010 block = msf2lba (e->addr.msf.minute, e->addr.msf.second, 1011 e->addr.msf.frame); 1012 } else { 1013 block = ntohl(e->addr.lba); 1014 lba2msf(block, &m, &s, &f); 1015 /* Print track start */ 1016 printf ("%2d:%02d.%02d ", m, s, f); 1017 } 1018 if (lastflag) { 1019 /* Last track -- print block */ 1020 printf (" - %6d - -\n", block); 1021 return; 1022 } 1023 1024 if (msf) 1025 next = msf2lba (e[1].addr.msf.minute, e[1].addr.msf.second, 1026 e[1].addr.msf.frame); 1027 else 1028 next = ntohl(e[1].addr.lba); 1029 len = next - block; 1030 /* Take into account a start offset time. */ 1031 lba2msf (len - 150, &m, &s, &f); 1032 1033 /* Print duration, block, length, type */ 1034 printf ("%2d:%02d.%02d %6d %6d %5s\n", m, s, f, block, len, 1035 (e->control & 4) ? "data" : "audio"); 1036 } 1037 1038 static int 1039 play_track(int tstart, int istart, int tend, int iend) 1040 { 1041 struct ioc_play_track t; 1042 1043 t.start_track = tstart; 1044 t.start_index = istart; 1045 t.end_track = tend; 1046 t.end_index = iend; 1047 1048 return ioctl (fd, CDIOCPLAYTRACKS, &t); 1049 } 1050 1051 static int 1052 play_blocks(int blk, int len) 1053 { 1054 struct ioc_play_blocks t; 1055 1056 t.blk = blk; 1057 t.len = len; 1058 1059 return ioctl (fd, CDIOCPLAYBLOCKS, &t); 1060 } 1061 1062 static int 1063 setvol(int left, int right) 1064 { 1065 struct ioc_vol v; 1066 1067 v.vol[0] = left; 1068 v.vol[1] = right; 1069 v.vol[2] = 0; 1070 v.vol[3] = 0; 1071 1072 return ioctl (fd, CDIOCSETVOL, &v); 1073 } 1074 1075 static int 1076 read_toc_entrys(int len) 1077 { 1078 struct ioc_read_toc_entry t; 1079 1080 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 1081 t.starting_track = 0; 1082 t.data_len = len; 1083 t.data = toc_buffer; 1084 1085 return (ioctl (fd, CDIOREADTOCENTRYS, (char *) &t)); 1086 } 1087 1088 static int 1089 play_msf(int start_m, int start_s, int start_f, 1090 int end_m, int end_s, int end_f) 1091 { 1092 struct ioc_play_msf a; 1093 1094 a.start_m = start_m; 1095 a.start_s = start_s; 1096 a.start_f = start_f; 1097 a.end_m = end_m; 1098 a.end_s = end_s; 1099 a.end_f = end_f; 1100 1101 return ioctl (fd, CDIOCPLAYMSF, (char *) &a); 1102 } 1103 1104 static int 1105 status(int *trk, int *min, int *sec, int *frame) 1106 { 1107 struct ioc_read_subchannel s; 1108 struct cd_sub_channel_info data; 1109 u_char mm, ss, ff; 1110 1111 bzero (&s, sizeof (s)); 1112 s.data = &data; 1113 s.data_len = sizeof (data); 1114 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 1115 s.data_format = CD_CURRENT_POSITION; 1116 1117 if (ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0) 1118 return -1; 1119 1120 *trk = s.data->what.position.track_number; 1121 if (msf) { 1122 *min = s.data->what.position.reladdr.msf.minute; 1123 *sec = s.data->what.position.reladdr.msf.second; 1124 *frame = s.data->what.position.reladdr.msf.frame; 1125 } else { 1126 lba2msf(ntohl(s.data->what.position.reladdr.lba), 1127 &mm, &ss, &ff); 1128 *min = mm; 1129 *sec = ss; 1130 *frame = ff; 1131 } 1132 1133 return s.data->header.audio_status; 1134 } 1135 1136 static const char * 1137 cdcontrol_prompt(void) 1138 { 1139 return ("cdcontrol> "); 1140 } 1141 1142 static char * 1143 input(int *cmd) 1144 { 1145 #define MAXLINE 80 1146 static EditLine *el = NULL; 1147 static History *hist = NULL; 1148 static HistEvent he; 1149 static char buf[MAXLINE]; 1150 int num = 0; 1151 int len; 1152 const char *bp = NULL; 1153 char *p; 1154 1155 do { 1156 if (verbose) { 1157 if (!el) { 1158 el = el_init("cdcontrol", stdin, stdout, stderr); 1159 hist = history_init(); 1160 history(hist, &he, H_SETSIZE, 100); 1161 el_set(el, EL_HIST, history, hist); 1162 el_set(el, EL_EDITOR, "emacs"); 1163 el_set(el, EL_PROMPT, cdcontrol_prompt); 1164 el_set(el, EL_SIGNAL, 1); 1165 el_source(el, NULL); 1166 } 1167 if ((bp = el_gets(el, &num)) == NULL || num == 0) { 1168 *cmd = CMD_QUIT; 1169 fprintf (stderr, "\r\n"); 1170 return (0); 1171 } 1172 1173 len = (num >= MAXLINE) ? MAXLINE - 1 : num; 1174 memcpy(buf, bp, len); 1175 buf[len] = 0; 1176 history(hist, &he, H_ENTER, bp); 1177 #undef MAXLINE 1178 1179 } else { 1180 if (! fgets (buf, sizeof (buf), stdin)) { 1181 *cmd = CMD_QUIT; 1182 fprintf (stderr, "\r\n"); 1183 return (0); 1184 } 1185 } 1186 p = parse (buf, cmd); 1187 } while (! p); 1188 return (p); 1189 } 1190 1191 static char * 1192 parse(char *buf, int *cmd) 1193 { 1194 struct cmdtab *c; 1195 char *p; 1196 unsigned int len; 1197 1198 for (p=buf; isspace (*p); p++) 1199 continue; 1200 1201 if (isdigit (*p) || (p[0] == '#' && isdigit (p[1]))) { 1202 *cmd = CMD_PLAY; 1203 return (p); 1204 } else if (*p == '+') { 1205 *cmd = CMD_NEXT; 1206 return (p + 1); 1207 } else if (*p == '-') { 1208 *cmd = CMD_PREVIOUS; 1209 return (p + 1); 1210 } 1211 1212 for (buf = p; *p && ! isspace (*p); p++) 1213 continue; 1214 1215 len = p - buf; 1216 if (! len) 1217 return (0); 1218 1219 if (*p) { /* It must be a spacing character! */ 1220 char *q; 1221 1222 *p++ = 0; 1223 for (q=p; *q && *q != '\n' && *q != '\r'; q++) 1224 continue; 1225 *q = 0; 1226 } 1227 1228 *cmd = -1; 1229 for (c=cmdtab; c->name; ++c) { 1230 /* Is it an exact match? */ 1231 if (! strcasecmp (buf, c->name)) { 1232 *cmd = c->command; 1233 break; 1234 } 1235 1236 /* Try short hand forms then... */ 1237 if (len >= c->min && ! strncasecmp (buf, c->name, len)) { 1238 if (*cmd != -1 && *cmd != c->command) { 1239 warnx("ambiguous command"); 1240 return (0); 1241 } 1242 *cmd = c->command; 1243 } 1244 } 1245 1246 if (*cmd == -1) { 1247 warnx("invalid command, enter ``help'' for commands"); 1248 return (0); 1249 } 1250 1251 while (isspace (*p)) 1252 p++; 1253 return p; 1254 } 1255 1256 static int 1257 open_cd(void) 1258 { 1259 char devbuf[MAXPATHLEN]; 1260 1261 if (fd > -1) 1262 return (1); 1263 1264 if (*cdname == '/') { 1265 snprintf (devbuf, MAXPATHLEN, "%s", cdname); 1266 } else { 1267 snprintf (devbuf, MAXPATHLEN, "%s%s", _PATH_DEV, cdname); 1268 } 1269 1270 fd = open (devbuf, O_RDONLY); 1271 1272 if (fd < 0 && errno == ENOENT) { 1273 strcat (devbuf, DEFAULT_CD_PARTITION); 1274 fd = open (devbuf, O_RDONLY); 1275 } 1276 1277 if (fd < 0) { 1278 if (errno == ENXIO) { 1279 /* ENXIO has an overloaded meaning here. 1280 * The original "Device not configured" should 1281 * be interpreted as "No disc in drive %s". */ 1282 warnx("no disc in drive %s", devbuf); 1283 return (0); 1284 } 1285 err(1, "%s", devbuf); 1286 } 1287 return (1); 1288 } 1289