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 21 #ifndef lint 22 static const char rcsid[] = 23 "$FreeBSD$"; 24 #endif /* not lint */ 25 26 #include <sys/cdio.h> 27 #include <sys/cdrio.h> 28 #include <sys/file.h> 29 #include <sys/ioctl.h> 30 #include <sys/param.h> 31 #include <arpa/inet.h> 32 #include <ctype.h> 33 #include <err.h> 34 #include <errno.h> 35 #include <histedit.h> 36 #include <limits.h> 37 #include <paths.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <unistd.h> 42 #include <vis.h> 43 44 #define VERSION "2.0" 45 46 #define ASTS_INVALID 0x00 /* Audio status byte not valid */ 47 #define ASTS_PLAYING 0x11 /* Audio play operation in progress */ 48 #define ASTS_PAUSED 0x12 /* Audio play operation paused */ 49 #define ASTS_COMPLETED 0x13 /* Audio play operation successfully completed */ 50 #define ASTS_ERROR 0x14 /* Audio play operation stopped due to error */ 51 #define ASTS_VOID 0x15 /* No current audio status to return */ 52 53 #ifndef DEFAULT_CD_DRIVE 54 # define DEFAULT_CD_DRIVE "/dev/cd0c" 55 #endif 56 57 #ifndef DEFAULT_CD_PARTITION 58 # define DEFAULT_CD_PARTITION "c" 59 #endif 60 61 #define CMD_DEBUG 1 62 #define CMD_EJECT 2 63 #define CMD_HELP 3 64 #define CMD_INFO 4 65 #define CMD_PAUSE 5 66 #define CMD_PLAY 6 67 #define CMD_QUIT 7 68 #define CMD_RESUME 8 69 #define CMD_STOP 9 70 #define CMD_VOLUME 10 71 #define CMD_CLOSE 11 72 #define CMD_RESET 12 73 #define CMD_SET 13 74 #define CMD_STATUS 14 75 #define CMD_CDID 15 76 #define CMD_NEXT 16 77 #define CMD_PREVIOUS 17 78 #define CMD_SPEED 18 79 #define STATUS_AUDIO 0x1 80 #define STATUS_MEDIA 0x2 81 #define STATUS_VOLUME 0x4 82 83 struct cmdtab { 84 int command; 85 const char *name; 86 unsigned min; 87 const char *args; 88 } cmdtab[] = { 89 { CMD_CLOSE, "close", 1, "" }, 90 { CMD_DEBUG, "debug", 1, "on | off" }, 91 { CMD_EJECT, "eject", 1, "" }, 92 { CMD_HELP, "?", 1, 0 }, 93 { CMD_HELP, "help", 1, "" }, 94 { CMD_INFO, "info", 1, "" }, 95 { CMD_NEXT, "next", 1, "" }, 96 { CMD_PAUSE, "pause", 2, "" }, 97 { CMD_PLAY, "play", 1, "min1:sec1[.fram1] [min2:sec2[.fram2]]" }, 98 { CMD_PLAY, "play", 1, "track1[.index1] [track2[.index2]]" }, 99 { CMD_PLAY, "play", 1, "tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]" }, 100 { CMD_PLAY, "play", 1, "[#block [len]]" }, 101 { CMD_PREVIOUS, "previous", 2, "" }, 102 { CMD_QUIT, "quit", 1, "" }, 103 { CMD_RESET, "reset", 4, "" }, 104 { CMD_RESUME, "resume", 1, "" }, 105 { CMD_SET, "set", 2, "msf | lba" }, 106 { CMD_STATUS, "status", 1, "[audio | media | volume]" }, 107 { CMD_STOP, "stop", 3, "" }, 108 { CMD_VOLUME, "volume", 1, 109 "<l> <r> | left | right | mute | mono | stereo" }, 110 { CMD_CDID, "cdid", 2, "" }, 111 { CMD_SPEED, "speed", 2, "speed" }, 112 { 0, NULL, 0, NULL } 113 }; 114 115 struct cd_toc_entry toc_buffer[100]; 116 117 const char *cdname; 118 int fd = -1; 119 int verbose = 1; 120 int msf = 1; 121 122 int setvol __P((int, int)); 123 int read_toc_entrys __P((int)); 124 int play_msf __P((int, int, int, int, int, int)); 125 int play_track __P((int, int, int, int)); 126 int get_vol __P((int *, int *)); 127 int status __P((int *, int *, int *, int *)); 128 int open_cd __P((void)); 129 int next_prev __P((char *arg, int)); 130 int play __P((char *arg)); 131 int info __P((char *arg)); 132 int cdid __P((void)); 133 int pstatus __P((char *arg)); 134 char *input __P((int *)); 135 void prtrack __P((struct cd_toc_entry *e, int lastflag)); 136 void lba2msf __P((unsigned long lba, 137 u_char *m, u_char *s, u_char *f)); 138 unsigned int msf2lba __P((u_char m, u_char s, u_char f)); 139 int play_blocks __P((int blk, int len)); 140 int run __P((int cmd, char *arg)); 141 char *parse __P((char *buf, int *cmd)); 142 void help __P((void)); 143 void usage __P((void)); 144 char *use_cdrom_instead __P((const char *)); 145 __const char *strstatus __P((int)); 146 static u_int dbprog_discid __P((void)); 147 __const char *cdcontrol_prompt __P((void)); 148 149 void help () 150 { 151 struct cmdtab *c; 152 const char *s; 153 char n; 154 int i; 155 156 for (c=cmdtab; c->name; ++c) { 157 if (! c->args) 158 continue; 159 printf("\t"); 160 for (i = c->min, s = c->name; *s; s++, i--) { 161 if (i > 0) 162 n = toupper(*s); 163 else 164 n = *s; 165 putchar(n); 166 } 167 if (*c->args) 168 printf (" %s", c->args); 169 printf ("\n"); 170 } 171 printf ("\n\tThe word \"play\" is not required for the play commands.\n"); 172 printf ("\tThe plain target address is taken as a synonym for play.\n"); 173 } 174 175 void usage () 176 { 177 fprintf (stderr, "usage: cdcontrol [-sv] [-f device] [command ...]\n"); 178 exit (1); 179 } 180 181 char *use_cdrom_instead(const char *old_envvar) 182 { 183 char *device; 184 185 device = getenv(old_envvar); 186 if (device) 187 warnx("%s environment variable deprecated, " 188 "please use CDROM in the future.", old_envvar); 189 return device; 190 } 191 192 193 int 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 int run (int cmd, char *arg) 283 { 284 long speed; 285 int l, r, rc; 286 char *ep; 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 (void) 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 (void) 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 (void) 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, CDIOCSETSTERIO); 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 speed = strtol(arg, &ep, 10); 440 if (*ep || ep == arg || speed <= 0 || speed > INT_MAX || 441 errno != 0) { 442 warnx("invalid command arguments %s", arg); 443 return (0); 444 } 445 return ioctl(fd, CDRIOCREADSPEED, &speed); 446 447 default: 448 case CMD_HELP: 449 help (); 450 return (0); 451 452 } 453 } 454 455 int play (char *arg) 456 { 457 struct ioc_toc_header h; 458 unsigned int n; 459 int rc, start, end = 0, istart = 1, iend = 1; 460 461 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 462 463 if (rc < 0) 464 return (rc); 465 466 n = h.ending_track - h.starting_track + 1; 467 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry)); 468 469 if (rc < 0) 470 return (rc); 471 472 if (! arg || ! *arg) { 473 /* Play the whole disc */ 474 if (msf) 475 return play_blocks (0, msf2lba (toc_buffer[n].addr.msf.minute, 476 toc_buffer[n].addr.msf.second, 477 toc_buffer[n].addr.msf.frame)); 478 else 479 return play_blocks (0, ntohl(toc_buffer[n].addr.lba)); 480 } 481 482 if (strchr (arg, '#')) { 483 /* Play block #blk [ len ] */ 484 int blk, len = 0; 485 486 if (2 != sscanf (arg, "#%d%d", &blk, &len) && 487 1 != sscanf (arg, "#%d", &blk)) 488 goto Clean_up; 489 490 if (len == 0) { 491 if (msf) 492 len = msf2lba (toc_buffer[n].addr.msf.minute, 493 toc_buffer[n].addr.msf.second, 494 toc_buffer[n].addr.msf.frame) - blk; 495 else 496 len = ntohl(toc_buffer[n].addr.lba) - blk; 497 } 498 return play_blocks (blk, len); 499 } 500 501 if (strchr (arg, ':')) { 502 /* 503 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ] 504 * 505 * Will now also undestand timed addresses relative 506 * to the beginning of a track in the form... 507 * 508 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]] 509 */ 510 unsigned tr1, tr2; 511 unsigned m1, m2, s1, s2, f1, f2; 512 unsigned char tm, ts, tf; 513 514 tr2 = m2 = s2 = f2 = f1 = 0; 515 if (8 == sscanf (arg, "%d %d:%d.%d %d %d:%d.%d", 516 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &f2)) 517 goto Play_Relative_Addresses; 518 519 tr2 = m2 = s2 = f2 = f1 = 0; 520 if (7 == sscanf (arg, "%d %d:%d %d %d:%d.%d", 521 &tr1, &m1, &s1, &tr2, &m2, &s2, &f2)) 522 goto Play_Relative_Addresses; 523 524 tr2 = m2 = s2 = f2 = f1 = 0; 525 if (7 == sscanf (arg, "%d %d:%d.%d %d %d:%d", 526 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2)) 527 goto Play_Relative_Addresses; 528 529 tr2 = m2 = s2 = f2 = f1 = 0; 530 if (7 == sscanf (arg, "%d %d:%d.%d %d:%d.%d", 531 &tr1, &m1, &s1, &f1, &m2, &s2, &f2)) 532 goto Play_Relative_Addresses; 533 534 tr2 = m2 = s2 = f2 = f1 = 0; 535 if (6 == sscanf (arg, "%d %d:%d.%d %d:%d", 536 &tr1, &m1, &s1, &f1, &m2, &s2)) 537 goto Play_Relative_Addresses; 538 539 tr2 = m2 = s2 = f2 = f1 = 0; 540 if (6 == sscanf (arg, "%d %d:%d %d:%d.%d", 541 &tr1, &m1, &s1, &m2, &s2, &f2)) 542 goto Play_Relative_Addresses; 543 544 tr2 = m2 = s2 = f2 = f1 = 0; 545 if (6 == sscanf (arg, "%d %d:%d.%d %d %d", 546 &tr1, &m1, &s1, &f1, &tr2, &m2)) 547 goto Play_Relative_Addresses; 548 549 tr2 = m2 = s2 = f2 = f1 = 0; 550 if (5 == sscanf (arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, &s2)) 551 goto Play_Relative_Addresses; 552 553 tr2 = m2 = s2 = f2 = f1 = 0; 554 if (5 == sscanf (arg, "%d %d:%d %d %d", 555 &tr1, &m1, &s1, &tr2, &m2)) 556 goto Play_Relative_Addresses; 557 558 tr2 = m2 = s2 = f2 = f1 = 0; 559 if (5 == sscanf (arg, "%d %d:%d.%d %d", 560 &tr1, &m1, &s1, &f1, &tr2)) 561 goto Play_Relative_Addresses; 562 563 tr2 = m2 = s2 = f2 = f1 = 0; 564 if (4 == sscanf (arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2)) 565 goto Play_Relative_Addresses; 566 567 tr2 = m2 = s2 = f2 = f1 = 0; 568 if (4 == sscanf (arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1)) 569 goto Play_Relative_Addresses; 570 571 tr2 = m2 = s2 = f2 = f1 = 0; 572 if (3 == sscanf (arg, "%d %d:%d", &tr1, &m1, &s1)) 573 goto Play_Relative_Addresses; 574 575 tr2 = m2 = s2 = f2 = f1 = 0; 576 goto Try_Absolute_Timed_Addresses; 577 578 Play_Relative_Addresses: 579 if (! tr1) 580 tr1 = 1; 581 else if (tr1 > n) 582 tr1 = n; 583 584 if (msf) { 585 tm = toc_buffer[tr1].addr.msf.minute; 586 ts = toc_buffer[tr1].addr.msf.second; 587 tf = toc_buffer[tr1].addr.msf.frame; 588 } else 589 lba2msf(ntohl(toc_buffer[tr1].addr.lba), 590 &tm, &ts, &tf); 591 if ((m1 > tm) 592 || ((m1 == tm) 593 && ((s1 > ts) 594 || ((s1 == ts) 595 && (f1 > tf))))) { 596 printf ("Track %d is not that long.\n", tr1); 597 return (0); 598 } 599 600 tr1--; 601 602 f1 += tf; 603 if (f1 >= 75) { 604 s1 += f1 / 75; 605 f1 %= 75; 606 } 607 608 s1 += ts; 609 if (s1 >= 60) { 610 m1 += s1 / 60; 611 s1 %= 60; 612 } 613 614 m1 += tm; 615 616 if (! tr2) { 617 if (m2 || s2 || f2) { 618 tr2 = tr1; 619 f2 += f1; 620 if (f2 >= 75) { 621 s2 += f2 / 75; 622 f2 %= 75; 623 } 624 625 s2 += s1; 626 if (s2 > 60) { 627 m2 += s2 / 60; 628 s2 %= 60; 629 } 630 631 m2 += m1; 632 } else { 633 tr2 = n; 634 if (msf) { 635 m2 = toc_buffer[n].addr.msf.minute; 636 s2 = toc_buffer[n].addr.msf.second; 637 f2 = toc_buffer[n].addr.msf.frame; 638 } else { 639 lba2msf(ntohl(toc_buffer[n].addr.lba), 640 &tm, &ts, &tf); 641 m2 = tm; 642 s2 = ts; 643 f2 = tf; 644 } 645 } 646 } else if (tr2 > n) { 647 tr2 = n; 648 m2 = s2 = f2 = 0; 649 } else { 650 if (m2 || s2 || f2) 651 tr2--; 652 if (msf) { 653 tm = toc_buffer[tr2].addr.msf.minute; 654 ts = toc_buffer[tr2].addr.msf.second; 655 tf = toc_buffer[tr2].addr.msf.frame; 656 } else 657 lba2msf(ntohl(toc_buffer[tr2].addr.lba), 658 &tm, &ts, &tf); 659 f2 += tf; 660 if (f2 >= 75) { 661 s2 += f2 / 75; 662 f2 %= 75; 663 } 664 665 s2 += ts; 666 if (s2 > 60) { 667 m2 += s2 / 60; 668 s2 %= 60; 669 } 670 671 m2 += tm; 672 } 673 674 if (msf) { 675 tm = toc_buffer[n].addr.msf.minute; 676 ts = toc_buffer[n].addr.msf.second; 677 tf = toc_buffer[n].addr.msf.frame; 678 } else 679 lba2msf(ntohl(toc_buffer[n].addr.lba), 680 &tm, &ts, &tf); 681 if ((tr2 < n) 682 && ((m2 > tm) 683 || ((m2 == tm) 684 && ((s2 > ts) 685 || ((s2 == ts) 686 && (f2 > tf)))))) { 687 printf ("The playing time of the disc is not that long.\n"); 688 return (0); 689 } 690 return (play_msf (m1, s1, f1, m2, s2, f2)); 691 692 Try_Absolute_Timed_Addresses: 693 if (6 != sscanf (arg, "%d:%d.%d%d:%d.%d", 694 &m1, &s1, &f1, &m2, &s2, &f2) && 695 5 != sscanf (arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) && 696 5 != sscanf (arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) && 697 3 != sscanf (arg, "%d:%d.%d", &m1, &s1, &f1) && 698 4 != sscanf (arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) && 699 2 != sscanf (arg, "%d:%d", &m1, &s1)) 700 goto Clean_up; 701 702 if (m2 == 0) { 703 if (msf) { 704 m2 = toc_buffer[n].addr.msf.minute; 705 s2 = toc_buffer[n].addr.msf.second; 706 f2 = toc_buffer[n].addr.msf.frame; 707 } else { 708 lba2msf(ntohl(toc_buffer[n].addr.lba), 709 &tm, &ts, &tf); 710 m2 = tm; 711 s2 = ts; 712 f2 = tf; 713 } 714 } 715 return play_msf (m1, s1, f1, m2, s2, f2); 716 } 717 718 /* 719 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ] 720 */ 721 if (4 != sscanf (arg, "%d.%d%d.%d", &start, &istart, &end, &iend) && 722 3 != sscanf (arg, "%d.%d%d", &start, &istart, &end) && 723 3 != sscanf (arg, "%d%d.%d", &start, &end, &iend) && 724 2 != sscanf (arg, "%d.%d", &start, &istart) && 725 2 != sscanf (arg, "%d%d", &start, &end) && 726 1 != sscanf (arg, "%d", &start)) 727 goto Clean_up; 728 729 if (end == 0) 730 end = n; 731 return (play_track (start, istart, end, iend)); 732 733 Clean_up: 734 warnx("invalid command arguments"); 735 return (0); 736 } 737 738 int next_prev (char *arg, int cmd) 739 { 740 struct ioc_toc_header h; 741 int dir, junk, n, off, rc, trk; 742 743 dir = (cmd == CMD_NEXT) ? 1 : -1; 744 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 745 if (rc < 0) 746 return (rc); 747 748 n = h.ending_track - h.starting_track + 1; 749 rc = status (&trk, &junk, &junk, &junk); 750 if (rc < 0) 751 return (-1); 752 753 if (arg && *arg) { 754 if (sscanf (arg, "%u", &off) != 1) { 755 warnx("invalid command argument"); 756 return (0); 757 } else 758 trk += off * dir; 759 } else 760 trk += dir; 761 762 if (trk > h.ending_track) 763 trk = 1; 764 765 return (play_track (trk, 1, n, 1)); 766 } 767 768 const char *strstatus (int sts) 769 { 770 switch (sts) { 771 case ASTS_INVALID: return ("invalid"); 772 case ASTS_PLAYING: return ("playing"); 773 case ASTS_PAUSED: return ("paused"); 774 case ASTS_COMPLETED: return ("completed"); 775 case ASTS_ERROR: return ("error"); 776 case ASTS_VOID: return ("void"); 777 default: return ("??"); 778 } 779 } 780 781 int pstatus (char *arg) 782 { 783 struct ioc_vol v; 784 struct ioc_read_subchannel ss; 785 struct cd_sub_channel_info data; 786 int rc, trk, m, s, f; 787 int what = 0; 788 char *p, vmcn[(4 * 15) + 1]; 789 790 while ((p = strtok(arg, " \t"))) { 791 arg = 0; 792 if (!strncasecmp(p, "audio", strlen(p))) 793 what |= STATUS_AUDIO; 794 else if (!strncasecmp(p, "media", strlen(p))) 795 what |= STATUS_MEDIA; 796 else if (!strncasecmp(p, "volume", strlen(p))) 797 what |= STATUS_VOLUME; 798 else { 799 warnx("invalid command arguments"); 800 return 0; 801 } 802 } 803 if (!what) 804 what = STATUS_AUDIO|STATUS_MEDIA|STATUS_VOLUME; 805 if (what & STATUS_AUDIO) { 806 rc = status (&trk, &m, &s, &f); 807 if (rc >= 0) 808 if (verbose) 809 printf ("Audio status = %d<%s>, current track = %d, current position = %d:%02d.%02d\n", 810 rc, strstatus (rc), trk, m, s, f); 811 else 812 printf ("%d %d %d:%02d.%02d\n", rc, trk, m, s, f); 813 else 814 printf ("No current status info available\n"); 815 } 816 if (what & STATUS_MEDIA) { 817 bzero (&ss, sizeof (ss)); 818 ss.data = &data; 819 ss.data_len = sizeof (data); 820 ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 821 ss.data_format = CD_MEDIA_CATALOG; 822 rc = ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &ss); 823 if (rc >= 0) { 824 printf("Media catalog is %sactive", 825 ss.data->what.media_catalog.mc_valid ? "": "in"); 826 if (ss.data->what.media_catalog.mc_valid && 827 ss.data->what.media_catalog.mc_number[0]) 828 { 829 strvisx (vmcn, ss.data->what.media_catalog.mc_number, 830 (sizeof (vmcn) - 1) / 4, VIS_OCTAL | VIS_NL); 831 printf(", number \"%.*s\"", (int)sizeof (vmcn), vmcn); 832 } 833 putchar('\n'); 834 } else 835 printf("No media catalog info available\n"); 836 } 837 if (what & STATUS_VOLUME) { 838 rc = ioctl (fd, CDIOCGETVOL, &v); 839 if (rc >= 0) 840 if (verbose) 841 printf ("Left volume = %d, right volume = %d\n", 842 v.vol[0], v.vol[1]); 843 else 844 printf ("%d %d\n", v.vol[0], v.vol[1]); 845 else 846 printf ("No volume level info available\n"); 847 } 848 return(0); 849 } 850 851 /* 852 * dbprog_sum 853 * Convert an integer to its text string representation, and 854 * compute its checksum. Used by dbprog_discid to derive the 855 * disc ID. 856 * 857 * Args: 858 * n - The integer value. 859 * 860 * Return: 861 * The integer checksum. 862 */ 863 static int 864 dbprog_sum(int n) 865 { 866 char buf[12], 867 *p; 868 int ret = 0; 869 870 /* For backward compatibility this algorithm must not change */ 871 sprintf(buf, "%u", n); 872 for (p = buf; *p != '\0'; p++) 873 ret += (*p - '0'); 874 875 return(ret); 876 } 877 878 879 /* 880 * dbprog_discid 881 * Compute a magic disc ID based on the number of tracks, 882 * the length of each track, and a checksum of the string 883 * that represents the offset of each track. 884 * 885 * Args: 886 * s - Pointer to the curstat_t structure. 887 * 888 * Return: 889 * The integer disc ID. 890 */ 891 static u_int 892 dbprog_discid() 893 { 894 struct ioc_toc_header h; 895 int rc; 896 int i, ntr, 897 t = 0, 898 n = 0; 899 900 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 901 if (rc < 0) 902 return 0; 903 ntr = h.ending_track - h.starting_track + 1; 904 i = msf; 905 msf = 1; 906 rc = read_toc_entrys ((ntr + 1) * sizeof (struct cd_toc_entry)); 907 msf = i; 908 if (rc < 0) 909 return 0; 910 /* For backward compatibility this algorithm must not change */ 911 for (i = 0; i < ntr; i++) { 912 #define TC_MM(a) toc_buffer[a].addr.msf.minute 913 #define TC_SS(a) toc_buffer[a].addr.msf.second 914 n += dbprog_sum((TC_MM(i) * 60) + TC_SS(i)); 915 916 t += ((TC_MM(i+1) * 60) + TC_SS(i+1)) - 917 ((TC_MM(i) * 60) + TC_SS(i)); 918 } 919 920 return((n % 0xff) << 24 | t << 8 | ntr); 921 } 922 923 int cdid () 924 { 925 u_int id; 926 927 id = dbprog_discid(); 928 if (id) 929 { 930 if (verbose) 931 printf ("CDID="); 932 printf ("%08x\n",id); 933 } 934 return id ? 0 : 1; 935 } 936 937 int info (char *arg __unused) 938 { 939 struct ioc_toc_header h; 940 int rc, i, n; 941 942 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 943 if (rc >= 0) { 944 if (verbose) 945 printf ("Starting track = %d, ending track = %d, TOC size = %d bytes\n", 946 h.starting_track, h.ending_track, h.len); 947 else 948 printf ("%d %d %d\n", h.starting_track, 949 h.ending_track, h.len); 950 } else { 951 warn("getting toc header"); 952 return (rc); 953 } 954 955 n = h.ending_track - h.starting_track + 1; 956 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry)); 957 if (rc < 0) 958 return (rc); 959 960 if (verbose) { 961 printf ("track start duration block length type\n"); 962 printf ("-------------------------------------------------\n"); 963 } 964 965 for (i = 0; i < n; i++) { 966 printf ("%5d ", toc_buffer[i].track); 967 prtrack (toc_buffer + i, 0); 968 } 969 printf ("%5d ", toc_buffer[n].track); 970 prtrack (toc_buffer + n, 1); 971 return (0); 972 } 973 974 void lba2msf (unsigned long lba, u_char *m, u_char *s, u_char *f) 975 { 976 lba += 150; /* block start offset */ 977 lba &= 0xffffff; /* negative lbas use only 24 bits */ 978 *m = lba / (60 * 75); 979 lba %= (60 * 75); 980 *s = lba / 75; 981 *f = lba % 75; 982 } 983 984 unsigned int msf2lba (u_char m, u_char s, u_char f) 985 { 986 return (((m * 60) + s) * 75 + f) - 150; 987 } 988 989 void prtrack (struct cd_toc_entry *e, int lastflag) 990 { 991 int block, next, len; 992 u_char m, s, f; 993 994 if (msf) { 995 /* Print track start */ 996 printf ("%2d:%02d.%02d ", e->addr.msf.minute, 997 e->addr.msf.second, e->addr.msf.frame); 998 999 block = msf2lba (e->addr.msf.minute, e->addr.msf.second, 1000 e->addr.msf.frame); 1001 } else { 1002 block = ntohl(e->addr.lba); 1003 lba2msf(block, &m, &s, &f); 1004 /* Print track start */ 1005 printf ("%2d:%02d.%02d ", m, s, f); 1006 } 1007 if (lastflag) { 1008 /* Last track -- print block */ 1009 printf (" - %6d - -\n", block); 1010 return; 1011 } 1012 1013 if (msf) 1014 next = msf2lba (e[1].addr.msf.minute, e[1].addr.msf.second, 1015 e[1].addr.msf.frame); 1016 else 1017 next = ntohl(e[1].addr.lba); 1018 len = next - block; 1019 lba2msf (len, &m, &s, &f); 1020 1021 /* Print duration, block, length, type */ 1022 printf ("%2d:%02d.%02d %6d %6d %5s\n", m, s, f, block, len, 1023 (e->control & 4) ? "data" : "audio"); 1024 } 1025 1026 int play_track (int tstart, int istart, int tend, int iend) 1027 { 1028 struct ioc_play_track t; 1029 1030 t.start_track = tstart; 1031 t.start_index = istart; 1032 t.end_track = tend; 1033 t.end_index = iend; 1034 1035 return ioctl (fd, CDIOCPLAYTRACKS, &t); 1036 } 1037 1038 int play_blocks (int blk, int len) 1039 { 1040 struct ioc_play_blocks t; 1041 1042 t.blk = blk; 1043 t.len = len; 1044 1045 return ioctl (fd, CDIOCPLAYBLOCKS, &t); 1046 } 1047 1048 int setvol (int left, int right) 1049 { 1050 struct ioc_vol v; 1051 1052 v.vol[0] = left; 1053 v.vol[1] = right; 1054 v.vol[2] = 0; 1055 v.vol[3] = 0; 1056 1057 return ioctl (fd, CDIOCSETVOL, &v); 1058 } 1059 1060 int read_toc_entrys (int len) 1061 { 1062 struct ioc_read_toc_entry t; 1063 1064 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 1065 t.starting_track = 0; 1066 t.data_len = len; 1067 t.data = toc_buffer; 1068 1069 return (ioctl (fd, CDIOREADTOCENTRYS, (char *) &t)); 1070 } 1071 1072 int play_msf (int start_m, int start_s, int start_f, 1073 int end_m, int end_s, int end_f) 1074 { 1075 struct ioc_play_msf a; 1076 1077 a.start_m = start_m; 1078 a.start_s = start_s; 1079 a.start_f = start_f; 1080 a.end_m = end_m; 1081 a.end_s = end_s; 1082 a.end_f = end_f; 1083 1084 return ioctl (fd, CDIOCPLAYMSF, (char *) &a); 1085 } 1086 1087 int status (int *trk, int *min, int *sec, int *frame) 1088 { 1089 struct ioc_read_subchannel s; 1090 struct cd_sub_channel_info data; 1091 u_char mm, ss, ff; 1092 1093 bzero (&s, sizeof (s)); 1094 s.data = &data; 1095 s.data_len = sizeof (data); 1096 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 1097 s.data_format = CD_CURRENT_POSITION; 1098 1099 if (ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0) 1100 return -1; 1101 1102 *trk = s.data->what.position.track_number; 1103 if (msf) { 1104 *min = s.data->what.position.reladdr.msf.minute; 1105 *sec = s.data->what.position.reladdr.msf.second; 1106 *frame = s.data->what.position.reladdr.msf.frame; 1107 } else { 1108 lba2msf(ntohl(s.data->what.position.reladdr.lba), 1109 &mm, &ss, &ff); 1110 *min = mm; 1111 *sec = ss; 1112 *frame = ff; 1113 } 1114 1115 return s.data->header.audio_status; 1116 } 1117 1118 const char * 1119 cdcontrol_prompt() 1120 { 1121 return ("cdcontrol> "); 1122 } 1123 1124 char * 1125 input (int *cmd) 1126 { 1127 #define MAXLINE 80 1128 static EditLine *el = NULL; 1129 static History *hist = NULL; 1130 HistEvent he; 1131 static char buf[MAXLINE]; 1132 int num = 0; 1133 int len; 1134 const char *bp = NULL; 1135 char *p; 1136 1137 do { 1138 if (verbose) { 1139 if (!el) { 1140 el = el_init("cdcontrol", stdin, stdout, 1141 stderr); 1142 hist = history_init(); 1143 history(hist, &he, H_EVENT, 100); 1144 el_set(el, EL_HIST, history, hist); 1145 el_set(el, EL_EDITOR, "emacs"); 1146 el_set(el, EL_PROMPT, cdcontrol_prompt); 1147 el_set(el, EL_SIGNAL, 1); 1148 el_source(el, NULL); 1149 } 1150 if ((bp = el_gets(el, &num)) == NULL || num == 0) { 1151 *cmd = CMD_QUIT; 1152 fprintf (stderr, "\r\n"); 1153 return (0); 1154 } 1155 1156 len = (num > MAXLINE) ? MAXLINE : num; 1157 memcpy(buf, bp, len); 1158 buf[len] = 0; 1159 history(hist, &he, H_ENTER, bp); 1160 #undef MAXLINE 1161 1162 } else { 1163 if (! fgets (buf, sizeof (buf), stdin)) { 1164 *cmd = CMD_QUIT; 1165 fprintf (stderr, "\r\n"); 1166 return (0); 1167 } 1168 } 1169 p = parse (buf, cmd); 1170 } while (! p); 1171 return (p); 1172 } 1173 1174 char *parse (char *buf, int *cmd) 1175 { 1176 struct cmdtab *c; 1177 char *p; 1178 unsigned int len; 1179 1180 for (p=buf; isspace (*p); p++) 1181 continue; 1182 1183 if (isdigit (*p) || (p[0] == '#' && isdigit (p[1]))) { 1184 *cmd = CMD_PLAY; 1185 return (p); 1186 } else if (*p == '+') { 1187 *cmd = CMD_NEXT; 1188 return (p + 1); 1189 } else if (*p == '-') { 1190 *cmd = CMD_PREVIOUS; 1191 return (p + 1); 1192 } 1193 1194 for (buf = p; *p && ! isspace (*p); p++) 1195 continue; 1196 1197 len = p - buf; 1198 if (! len) 1199 return (0); 1200 1201 if (*p) { /* It must be a spacing character! */ 1202 char *q; 1203 1204 *p++ = 0; 1205 for (q=p; *q && *q != '\n' && *q != '\r'; q++) 1206 continue; 1207 *q = 0; 1208 } 1209 1210 *cmd = -1; 1211 for (c=cmdtab; c->name; ++c) { 1212 /* Is it an exact match? */ 1213 if (! strcasecmp (buf, c->name)) { 1214 *cmd = c->command; 1215 break; 1216 } 1217 1218 /* Try short hand forms then... */ 1219 if (len >= c->min && ! strncasecmp (buf, c->name, len)) { 1220 if (*cmd != -1 && *cmd != c->command) { 1221 warnx("ambiguous command"); 1222 return (0); 1223 } 1224 *cmd = c->command; 1225 } 1226 } 1227 1228 if (*cmd == -1) { 1229 warnx("invalid command, enter ``help'' for commands"); 1230 return (0); 1231 } 1232 1233 while (isspace (*p)) 1234 p++; 1235 return p; 1236 } 1237 1238 int open_cd () 1239 { 1240 char devbuf[MAXPATHLEN]; 1241 1242 if (fd > -1) 1243 return (1); 1244 1245 if (*cdname == '/') { 1246 snprintf (devbuf, MAXPATHLEN, "%s", cdname); 1247 } else { 1248 snprintf (devbuf, MAXPATHLEN, "%s%s", _PATH_DEV, cdname); 1249 } 1250 1251 fd = open (devbuf, O_RDONLY); 1252 1253 if (fd < 0 && errno == ENOENT) { 1254 strcat (devbuf, DEFAULT_CD_PARTITION); 1255 fd = open (devbuf, O_RDONLY); 1256 } 1257 1258 if (fd < 0) { 1259 if (errno == ENXIO) { 1260 /* ENXIO has an overloaded meaning here. 1261 * The original "Device not configured" should 1262 * be interpreted as "No disc in drive %s". */ 1263 warnx("no disc in drive %s", devbuf); 1264 return (0); 1265 } 1266 err(1, "%s", devbuf); 1267 } 1268 return (1); 1269 } 1270