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 * 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. 24 * Version 2.0.1 25 * 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, ...). 30 * Version 2.0.2 31 * 32 */ 33 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 #include <sys/cdio.h> 38 #include <sys/cdrio.h> 39 #include <sys/file.h> 40 #include <sys/ioctl.h> 41 #include <sys/param.h> 42 #include <arpa/inet.h> 43 #include <ctype.h> 44 #include <err.h> 45 #include <errno.h> 46 #include <histedit.h> 47 #include <limits.h> 48 #include <paths.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <unistd.h> 53 #include <vis.h> 54 55 #define VERSION "2.0.2" 56 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 */ 63 64 #ifdef DEFAULT_CD_DRIVE 65 # error "Setting DEFAULT_CD_DRIVE is no longer supported" 66 #endif 67 68 #define CMD_DEBUG 1 69 #define CMD_EJECT 2 70 #define CMD_HELP 3 71 #define CMD_INFO 4 72 #define CMD_PAUSE 5 73 #define CMD_PLAY 6 74 #define CMD_QUIT 7 75 #define CMD_RESUME 8 76 #define CMD_STOP 9 77 #define CMD_VOLUME 10 78 #define CMD_CLOSE 11 79 #define CMD_RESET 12 80 #define CMD_SET 13 81 #define CMD_STATUS 14 82 #define CMD_CDID 15 83 #define CMD_NEXT 16 84 #define CMD_PREVIOUS 17 85 #define CMD_SPEED 18 86 #define STATUS_AUDIO 0x1 87 #define STATUS_MEDIA 0x2 88 #define STATUS_VOLUME 0x4 89 90 struct cmdtab { 91 int command; 92 const char *name; 93 unsigned min; 94 const char *args; 95 } cmdtab[] = { 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" }, 119 { 0, NULL, 0, NULL } 120 }; 121 122 struct cd_toc_entry toc_buffer[100]; 123 124 const char *cdname; 125 int fd = -1; 126 int verbose = 1; 127 int msf = 1; 128 129 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 *); 135 int open_cd(void); 136 int next_prev(char *arg, int); 137 int play(char *arg); 138 int info(char *arg); 139 int cdid(void); 140 int pstatus(char *arg); 141 char *input(int *); 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); 148 void help(void); 149 void usage(void); 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); 154 155 void help () 156 { 157 struct cmdtab *c; 158 const char *s; 159 char n; 160 int i; 161 162 for (c=cmdtab; c->name; ++c) { 163 if (! c->args) 164 continue; 165 printf("\t"); 166 for (i = c->min, s = c->name; *s; s++, i--) { 167 if (i > 0) 168 n = toupper(*s); 169 else 170 n = *s; 171 putchar(n); 172 } 173 if (*c->args) 174 printf (" %s", c->args); 175 printf ("\n"); 176 } 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"); 179 } 180 181 void usage () 182 { 183 fprintf (stderr, "usage: cdcontrol [-sv] [-f device] [command ...]\n"); 184 exit (1); 185 } 186 187 char *use_cdrom_instead(const char *old_envvar) 188 { 189 char *device; 190 191 device = getenv(old_envvar); 192 if (device) 193 warnx("%s environment variable deprecated, " 194 "please use CDROM in the future.", old_envvar); 195 return device; 196 } 197 198 199 int main (int argc, char **argv) 200 { 201 int cmd; 202 char *arg; 203 204 for (;;) { 205 switch (getopt (argc, argv, "svhf:")) { 206 case -1: 207 break; 208 case 's': 209 verbose = 0; 210 continue; 211 case 'v': 212 verbose = 2; 213 continue; 214 case 'f': 215 cdname = optarg; 216 continue; 217 case 'h': 218 default: 219 usage (); 220 } 221 break; 222 } 223 argc -= optind; 224 argv += optind; 225 226 if (argc > 0 && ! strcasecmp (*argv, "help")) 227 usage (); 228 229 if (! cdname) { 230 cdname = getenv("CDROM"); 231 } 232 233 if (! cdname) 234 cdname = use_cdrom_instead("MUSIC_CD"); 235 if (! cdname) 236 cdname = use_cdrom_instead("CD_DRIVE"); 237 if (! cdname) 238 cdname = use_cdrom_instead("DISC"); 239 if (! cdname) 240 cdname = use_cdrom_instead("CDPLAY"); 241 242 if (argc > 0) { 243 char buf[80], *p; 244 int len, rc; 245 246 for (p=buf; argc-->0; ++argv) { 247 len = strlen (*argv); 248 249 if (p + len >= buf + sizeof (buf) - 1) 250 usage (); 251 252 if (p > buf) 253 *p++ = ' '; 254 255 strcpy (p, *argv); 256 p += len; 257 } 258 *p = 0; 259 arg = parse (buf, &cmd); 260 rc = run (cmd, arg); 261 if (rc < 0 && verbose) 262 warn(NULL); 263 264 return (rc); 265 } 266 267 if (verbose == 1) 268 verbose = isatty (0); 269 270 if (verbose) { 271 printf ("Compact Disc Control utility, version %s\n", VERSION); 272 printf ("Type `?' for command list\n\n"); 273 } 274 275 for (;;) { 276 arg = input (&cmd); 277 if (run (cmd, arg) < 0) { 278 if (verbose) 279 warn(NULL); 280 close (fd); 281 fd = -1; 282 } 283 fflush (stdout); 284 } 285 } 286 287 int run (int cmd, char *arg) 288 { 289 long speed; 290 int l, r, rc, count; 291 292 switch (cmd) { 293 294 case CMD_QUIT: 295 exit (0); 296 297 case CMD_INFO: 298 if (fd < 0 && ! open_cd ()) 299 return (0); 300 301 return info (arg); 302 303 case CMD_CDID: 304 if (fd < 0 && ! open_cd ()) 305 return (0); 306 307 return cdid (); 308 309 case CMD_STATUS: 310 if (fd < 0 && ! open_cd ()) 311 return (0); 312 313 return pstatus (arg); 314 315 case CMD_NEXT: 316 case CMD_PREVIOUS: 317 if (fd < 0 && ! open_cd ()) 318 return (0); 319 320 while (isspace (*arg)) 321 arg++; 322 323 return next_prev (arg, cmd); 324 325 case CMD_PAUSE: 326 if (fd < 0 && ! open_cd ()) 327 return (0); 328 329 return ioctl (fd, CDIOCPAUSE); 330 331 case CMD_RESUME: 332 if (fd < 0 && ! open_cd ()) 333 return (0); 334 335 return ioctl (fd, CDIOCRESUME); 336 337 case CMD_STOP: 338 if (fd < 0 && ! open_cd ()) 339 return (0); 340 341 rc = ioctl (fd, CDIOCSTOP); 342 343 (void) ioctl (fd, CDIOCALLOW); 344 345 return (rc); 346 347 case CMD_RESET: 348 if (fd < 0 && ! open_cd ()) 349 return (0); 350 351 rc = ioctl (fd, CDIOCRESET); 352 if (rc < 0) 353 return rc; 354 close(fd); 355 fd = -1; 356 return (0); 357 358 case CMD_DEBUG: 359 if (fd < 0 && ! open_cd ()) 360 return (0); 361 362 if (! strcasecmp (arg, "on")) 363 return ioctl (fd, CDIOCSETDEBUG); 364 365 if (! strcasecmp (arg, "off")) 366 return ioctl (fd, CDIOCCLRDEBUG); 367 368 warnx("invalid command arguments"); 369 370 return (0); 371 372 case CMD_EJECT: 373 if (fd < 0 && ! open_cd ()) 374 return (0); 375 376 (void) ioctl (fd, CDIOCALLOW); 377 rc = ioctl (fd, CDIOCEJECT); 378 if (rc < 0) 379 return (rc); 380 return (0); 381 382 case CMD_CLOSE: 383 if (fd < 0 && ! open_cd ()) 384 return (0); 385 386 (void) ioctl (fd, CDIOCALLOW); 387 rc = ioctl (fd, CDIOCCLOSE); 388 if (rc < 0) 389 return (rc); 390 close(fd); 391 fd = -1; 392 return (0); 393 394 case CMD_PLAY: 395 if (fd < 0 && ! open_cd ()) 396 return (0); 397 398 while (isspace (*arg)) 399 arg++; 400 401 return play (arg); 402 403 case CMD_SET: 404 if (! strcasecmp (arg, "msf")) 405 msf = 1; 406 else if (! strcasecmp (arg, "lba")) 407 msf = 0; 408 else 409 warnx("invalid command arguments"); 410 return (0); 411 412 case CMD_VOLUME: 413 if (fd < 0 && !open_cd ()) 414 return (0); 415 416 if (! strlen (arg)) 417 return pstatus ("volume"); 418 419 if (! strncasecmp (arg, "left", strlen(arg))) 420 return ioctl (fd, CDIOCSETLEFT); 421 422 if (! strncasecmp (arg, "right", strlen(arg))) 423 return ioctl (fd, CDIOCSETRIGHT); 424 425 if (! strncasecmp (arg, "mono", strlen(arg))) 426 return ioctl (fd, CDIOCSETMONO); 427 428 if (! strncasecmp (arg, "stereo", strlen(arg))) 429 return ioctl (fd, CDIOCSETSTERIO); 430 431 if (! strncasecmp (arg, "mute", strlen(arg))) 432 return ioctl (fd, CDIOCSETMUTE); 433 434 count = sscanf (arg, "%d %d", &l, &r); 435 if (count == 1) 436 return setvol (l, l); 437 if (count == 2) 438 return setvol (l, r); 439 warnx("invalid command arguments"); 440 return (0); 441 442 case CMD_SPEED: 443 if (fd < 0 && ! open_cd ()) 444 return (0); 445 446 errno = 0; 447 if (strcasecmp("max", arg) == 0) 448 speed = CDR_MAX_SPEED; 449 else 450 speed = strtol(arg, NULL, 10) * 177; 451 if (speed <= 0 || speed > INT_MAX) { 452 warnx("invalid command arguments %s", arg); 453 return (0); 454 } 455 return ioctl(fd, CDRIOCREADSPEED, &speed); 456 457 default: 458 case CMD_HELP: 459 help (); 460 return (0); 461 462 } 463 } 464 465 int play (char *arg) 466 { 467 struct ioc_toc_header h; 468 unsigned int n; 469 int rc, start, end = 0, istart = 1, iend = 1; 470 471 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 472 473 if (rc < 0) 474 return (rc); 475 476 n = h.ending_track - h.starting_track + 1; 477 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry)); 478 479 if (rc < 0) 480 return (rc); 481 482 if (! arg || ! *arg) { 483 /* Play the whole disc */ 484 if (msf) 485 return play_blocks (0, msf2lba (toc_buffer[n].addr.msf.minute, 486 toc_buffer[n].addr.msf.second, 487 toc_buffer[n].addr.msf.frame)); 488 else 489 return play_blocks (0, ntohl(toc_buffer[n].addr.lba)); 490 } 491 492 if (strchr (arg, '#')) { 493 /* Play block #blk [ len ] */ 494 int blk, len = 0; 495 496 if (2 != sscanf (arg, "#%d%d", &blk, &len) && 497 1 != sscanf (arg, "#%d", &blk)) 498 goto Clean_up; 499 500 if (len == 0) { 501 if (msf) 502 len = msf2lba (toc_buffer[n].addr.msf.minute, 503 toc_buffer[n].addr.msf.second, 504 toc_buffer[n].addr.msf.frame) - blk; 505 else 506 len = ntohl(toc_buffer[n].addr.lba) - blk; 507 } 508 return play_blocks (blk, len); 509 } 510 511 if (strchr (arg, ':')) { 512 /* 513 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ] 514 * 515 * Will now also undestand timed addresses relative 516 * to the beginning of a track in the form... 517 * 518 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]] 519 */ 520 unsigned tr1, tr2; 521 unsigned m1, m2, s1, s2, f1, f2; 522 unsigned char tm, ts, tf; 523 524 tr2 = m2 = s2 = f2 = f1 = 0; 525 if (8 == sscanf (arg, "%d %d:%d.%d %d %d:%d.%d", 526 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &f2)) 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, &tr2, &m2, &s2, &f2)) 532 goto Play_Relative_Addresses; 533 534 tr2 = m2 = s2 = f2 = f1 = 0; 535 if (7 == sscanf (arg, "%d %d:%d.%d %d %d:%d", 536 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2)) 537 goto Play_Relative_Addresses; 538 539 tr2 = m2 = s2 = f2 = f1 = 0; 540 if (7 == sscanf (arg, "%d %d:%d.%d %d:%d.%d", 541 &tr1, &m1, &s1, &f1, &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, &m2, &s2)) 547 goto Play_Relative_Addresses; 548 549 tr2 = m2 = s2 = f2 = f1 = 0; 550 if (6 == sscanf (arg, "%d %d:%d %d:%d.%d", 551 &tr1, &m1, &s1, &m2, &s2, &f2)) 552 goto Play_Relative_Addresses; 553 554 tr2 = m2 = s2 = f2 = f1 = 0; 555 if (6 == sscanf (arg, "%d %d:%d.%d %d %d", 556 &tr1, &m1, &s1, &f1, &tr2, &m2)) 557 goto Play_Relative_Addresses; 558 559 tr2 = m2 = s2 = f2 = f1 = 0; 560 if (5 == sscanf (arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, &s2)) 561 goto Play_Relative_Addresses; 562 563 tr2 = m2 = s2 = f2 = f1 = 0; 564 if (5 == sscanf (arg, "%d %d:%d %d %d", 565 &tr1, &m1, &s1, &tr2, &m2)) 566 goto Play_Relative_Addresses; 567 568 tr2 = m2 = s2 = f2 = f1 = 0; 569 if (5 == sscanf (arg, "%d %d:%d.%d %d", 570 &tr1, &m1, &s1, &f1, &tr2)) 571 goto Play_Relative_Addresses; 572 573 tr2 = m2 = s2 = f2 = f1 = 0; 574 if (4 == sscanf (arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2)) 575 goto Play_Relative_Addresses; 576 577 tr2 = m2 = s2 = f2 = f1 = 0; 578 if (4 == sscanf (arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1)) 579 goto Play_Relative_Addresses; 580 581 tr2 = m2 = s2 = f2 = f1 = 0; 582 if (3 == sscanf (arg, "%d %d:%d", &tr1, &m1, &s1)) 583 goto Play_Relative_Addresses; 584 585 tr2 = m2 = s2 = f2 = f1 = 0; 586 goto Try_Absolute_Timed_Addresses; 587 588 Play_Relative_Addresses: 589 if (! tr1) 590 tr1 = 1; 591 else if (tr1 > n) 592 tr1 = n; 593 594 tr1--; 595 596 if (msf) { 597 tm = toc_buffer[tr1].addr.msf.minute; 598 ts = toc_buffer[tr1].addr.msf.second; 599 tf = toc_buffer[tr1].addr.msf.frame; 600 } else 601 lba2msf(ntohl(toc_buffer[tr1].addr.lba), 602 &tm, &ts, &tf); 603 if ((m1 > tm) 604 || ((m1 == tm) 605 && ((s1 > ts) 606 || ((s1 == ts) 607 && (f1 > tf))))) { 608 printf ("Track %d is not that long.\n", tr1); 609 return (0); 610 } 611 612 f1 += tf; 613 if (f1 >= 75) { 614 s1 += f1 / 75; 615 f1 %= 75; 616 } 617 618 s1 += ts; 619 if (s1 >= 60) { 620 m1 += s1 / 60; 621 s1 %= 60; 622 } 623 624 m1 += tm; 625 626 if (! tr2) { 627 if (m2 || s2 || f2) { 628 tr2 = tr1; 629 f2 += f1; 630 if (f2 >= 75) { 631 s2 += f2 / 75; 632 f2 %= 75; 633 } 634 635 s2 += s1; 636 if (s2 > 60) { 637 m2 += s2 / 60; 638 s2 %= 60; 639 } 640 641 m2 += m1; 642 } else { 643 tr2 = n; 644 if (msf) { 645 m2 = toc_buffer[n].addr.msf.minute; 646 s2 = toc_buffer[n].addr.msf.second; 647 f2 = toc_buffer[n].addr.msf.frame; 648 } else { 649 lba2msf(ntohl(toc_buffer[n].addr.lba), 650 &tm, &ts, &tf); 651 m2 = tm; 652 s2 = ts; 653 f2 = tf; 654 } 655 } 656 } else if (tr2 > n) { 657 tr2 = n; 658 m2 = s2 = f2 = 0; 659 } else { 660 if (m2 || s2 || f2) 661 tr2--; 662 if (msf) { 663 tm = toc_buffer[tr2].addr.msf.minute; 664 ts = toc_buffer[tr2].addr.msf.second; 665 tf = toc_buffer[tr2].addr.msf.frame; 666 } else 667 lba2msf(ntohl(toc_buffer[tr2].addr.lba), 668 &tm, &ts, &tf); 669 f2 += tf; 670 if (f2 >= 75) { 671 s2 += f2 / 75; 672 f2 %= 75; 673 } 674 675 s2 += ts; 676 if (s2 > 60) { 677 m2 += s2 / 60; 678 s2 %= 60; 679 } 680 681 m2 += tm; 682 } 683 684 if (msf) { 685 tm = toc_buffer[n].addr.msf.minute; 686 ts = toc_buffer[n].addr.msf.second; 687 tf = toc_buffer[n].addr.msf.frame; 688 } else 689 lba2msf(ntohl(toc_buffer[n].addr.lba), 690 &tm, &ts, &tf); 691 if ((tr2 < n) 692 && ((m2 > tm) 693 || ((m2 == tm) 694 && ((s2 > ts) 695 || ((s2 == ts) 696 && (f2 > tf)))))) { 697 printf ("The playing time of the disc is not that long.\n"); 698 return (0); 699 } 700 return (play_msf (m1, s1, f1, m2, s2, f2)); 701 702 Try_Absolute_Timed_Addresses: 703 if (6 != sscanf (arg, "%d:%d.%d%d:%d.%d", 704 &m1, &s1, &f1, &m2, &s2, &f2) && 705 5 != sscanf (arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) && 706 5 != sscanf (arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) && 707 3 != sscanf (arg, "%d:%d.%d", &m1, &s1, &f1) && 708 4 != sscanf (arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) && 709 2 != sscanf (arg, "%d:%d", &m1, &s1)) 710 goto Clean_up; 711 712 if (m2 == 0) { 713 if (msf) { 714 m2 = toc_buffer[n].addr.msf.minute; 715 s2 = toc_buffer[n].addr.msf.second; 716 f2 = toc_buffer[n].addr.msf.frame; 717 } else { 718 lba2msf(ntohl(toc_buffer[n].addr.lba), 719 &tm, &ts, &tf); 720 m2 = tm; 721 s2 = ts; 722 f2 = tf; 723 } 724 } 725 return play_msf (m1, s1, f1, m2, s2, f2); 726 } 727 728 /* 729 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ] 730 */ 731 if (4 != sscanf (arg, "%d.%d%d.%d", &start, &istart, &end, &iend) && 732 3 != sscanf (arg, "%d.%d%d", &start, &istart, &end) && 733 3 != sscanf (arg, "%d%d.%d", &start, &end, &iend) && 734 2 != sscanf (arg, "%d.%d", &start, &istart) && 735 2 != sscanf (arg, "%d%d", &start, &end) && 736 1 != sscanf (arg, "%d", &start)) 737 goto Clean_up; 738 739 if (end == 0) 740 end = n; 741 return (play_track (start, istart, end, iend)); 742 743 Clean_up: 744 warnx("invalid command arguments"); 745 return (0); 746 } 747 748 int next_prev (char *arg, int cmd) 749 { 750 struct ioc_toc_header h; 751 int dir, junk, n, off, rc, trk; 752 753 dir = (cmd == CMD_NEXT) ? 1 : -1; 754 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 755 if (rc < 0) 756 return (rc); 757 758 n = h.ending_track - h.starting_track + 1; 759 rc = status (&trk, &junk, &junk, &junk); 760 if (rc < 0) 761 return (-1); 762 763 if (arg && *arg) { 764 if (sscanf (arg, "%u", &off) != 1) { 765 warnx("invalid command argument"); 766 return (0); 767 } else 768 trk += off * dir; 769 } else 770 trk += dir; 771 772 if (trk > h.ending_track) 773 trk = 1; 774 775 return (play_track (trk, 1, n, 1)); 776 } 777 778 const char *strstatus (int sts) 779 { 780 switch (sts) { 781 case ASTS_INVALID: return ("invalid"); 782 case ASTS_PLAYING: return ("playing"); 783 case ASTS_PAUSED: return ("paused"); 784 case ASTS_COMPLETED: return ("completed"); 785 case ASTS_ERROR: return ("error"); 786 case ASTS_VOID: return ("void"); 787 default: return ("??"); 788 } 789 } 790 791 int pstatus (char *arg) 792 { 793 struct ioc_vol v; 794 struct ioc_read_subchannel ss; 795 struct cd_sub_channel_info data; 796 int rc, trk, m, s, f; 797 int what = 0; 798 char *p, vmcn[(4 * 15) + 1]; 799 800 while ((p = strtok(arg, " \t"))) { 801 arg = 0; 802 if (!strncasecmp(p, "audio", strlen(p))) 803 what |= STATUS_AUDIO; 804 else if (!strncasecmp(p, "media", strlen(p))) 805 what |= STATUS_MEDIA; 806 else if (!strncasecmp(p, "volume", strlen(p))) 807 what |= STATUS_VOLUME; 808 else { 809 warnx("invalid command arguments"); 810 return 0; 811 } 812 } 813 if (!what) 814 what = STATUS_AUDIO|STATUS_MEDIA|STATUS_VOLUME; 815 if (what & STATUS_AUDIO) { 816 rc = status (&trk, &m, &s, &f); 817 if (rc >= 0) 818 if (verbose) 819 printf ("Audio status = %d<%s>, current track = %d, current position = %d:%02d.%02d\n", 820 rc, strstatus (rc), trk, m, s, f); 821 else 822 printf ("%d %d %d:%02d.%02d\n", rc, trk, m, s, f); 823 else 824 printf ("No current status info available\n"); 825 } 826 if (what & STATUS_MEDIA) { 827 bzero (&ss, sizeof (ss)); 828 ss.data = &data; 829 ss.data_len = sizeof (data); 830 ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 831 ss.data_format = CD_MEDIA_CATALOG; 832 rc = ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &ss); 833 if (rc >= 0) { 834 printf("Media catalog is %sactive", 835 ss.data->what.media_catalog.mc_valid ? "": "in"); 836 if (ss.data->what.media_catalog.mc_valid && 837 ss.data->what.media_catalog.mc_number[0]) 838 { 839 strvisx (vmcn, ss.data->what.media_catalog.mc_number, 840 (sizeof (vmcn) - 1) / 4, VIS_OCTAL | VIS_NL); 841 printf(", number \"%.*s\"", (int)sizeof (vmcn), vmcn); 842 } 843 putchar('\n'); 844 } else 845 printf("No media catalog info available\n"); 846 } 847 if (what & STATUS_VOLUME) { 848 rc = ioctl (fd, CDIOCGETVOL, &v); 849 if (rc >= 0) 850 if (verbose) 851 printf ("Left volume = %d, right volume = %d\n", 852 v.vol[0], v.vol[1]); 853 else 854 printf ("%d %d\n", v.vol[0], v.vol[1]); 855 else 856 printf ("No volume level info available\n"); 857 } 858 return(0); 859 } 860 861 /* 862 * dbprog_sum 863 * Convert an integer to its text string representation, and 864 * compute its checksum. Used by dbprog_discid to derive the 865 * disc ID. 866 * 867 * Args: 868 * n - The integer value. 869 * 870 * Return: 871 * The integer checksum. 872 */ 873 static int 874 dbprog_sum(int n) 875 { 876 char buf[12], 877 *p; 878 int ret = 0; 879 880 /* For backward compatibility this algorithm must not change */ 881 sprintf(buf, "%u", n); 882 for (p = buf; *p != '\0'; p++) 883 ret += (*p - '0'); 884 885 return(ret); 886 } 887 888 889 /* 890 * dbprog_discid 891 * Compute a magic disc ID based on the number of tracks, 892 * the length of each track, and a checksum of the string 893 * that represents the offset of each track. 894 * 895 * Args: 896 * s - Pointer to the curstat_t structure. 897 * 898 * Return: 899 * The integer disc ID. 900 */ 901 static u_int 902 dbprog_discid() 903 { 904 struct ioc_toc_header h; 905 int rc; 906 int i, ntr, 907 t = 0, 908 n = 0; 909 910 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 911 if (rc < 0) 912 return 0; 913 ntr = h.ending_track - h.starting_track + 1; 914 i = msf; 915 msf = 1; 916 rc = read_toc_entrys ((ntr + 1) * sizeof (struct cd_toc_entry)); 917 msf = i; 918 if (rc < 0) 919 return 0; 920 /* For backward compatibility this algorithm must not change */ 921 for (i = 0; i < ntr; i++) { 922 #define TC_MM(a) toc_buffer[a].addr.msf.minute 923 #define TC_SS(a) toc_buffer[a].addr.msf.second 924 n += dbprog_sum((TC_MM(i) * 60) + TC_SS(i)); 925 926 t += ((TC_MM(i+1) * 60) + TC_SS(i+1)) - 927 ((TC_MM(i) * 60) + TC_SS(i)); 928 } 929 930 return((n % 0xff) << 24 | t << 8 | ntr); 931 } 932 933 int cdid () 934 { 935 u_int id; 936 937 id = dbprog_discid(); 938 if (id) 939 { 940 if (verbose) 941 printf ("CDID="); 942 printf ("%08x\n",id); 943 } 944 return id ? 0 : 1; 945 } 946 947 int info (char *arg __unused) 948 { 949 struct ioc_toc_header h; 950 int rc, i, n; 951 952 rc = ioctl (fd, CDIOREADTOCHEADER, &h); 953 if (rc >= 0) { 954 if (verbose) 955 printf ("Starting track = %d, ending track = %d, TOC size = %d bytes\n", 956 h.starting_track, h.ending_track, h.len); 957 else 958 printf ("%d %d %d\n", h.starting_track, 959 h.ending_track, h.len); 960 } else { 961 warn("getting toc header"); 962 return (rc); 963 } 964 965 n = h.ending_track - h.starting_track + 1; 966 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry)); 967 if (rc < 0) 968 return (rc); 969 970 if (verbose) { 971 printf ("track start duration block length type\n"); 972 printf ("-------------------------------------------------\n"); 973 } 974 975 for (i = 0; i < n; i++) { 976 printf ("%5d ", toc_buffer[i].track); 977 prtrack (toc_buffer + i, 0); 978 } 979 printf ("%5d ", toc_buffer[n].track); 980 prtrack (toc_buffer + n, 1); 981 return (0); 982 } 983 984 void lba2msf (unsigned long lba, u_char *m, u_char *s, u_char *f) 985 { 986 lba += 150; /* block start offset */ 987 lba &= 0xffffff; /* negative lbas use only 24 bits */ 988 *m = lba / (60 * 75); 989 lba %= (60 * 75); 990 *s = lba / 75; 991 *f = lba % 75; 992 } 993 994 unsigned int msf2lba (u_char m, u_char s, u_char f) 995 { 996 return (((m * 60) + s) * 75 + f) - 150; 997 } 998 999 void prtrack (struct cd_toc_entry *e, int lastflag) 1000 { 1001 int block, next, len; 1002 u_char m, s, f; 1003 1004 if (msf) { 1005 /* Print track start */ 1006 printf ("%2d:%02d.%02d ", e->addr.msf.minute, 1007 e->addr.msf.second, e->addr.msf.frame); 1008 1009 block = msf2lba (e->addr.msf.minute, e->addr.msf.second, 1010 e->addr.msf.frame); 1011 } else { 1012 block = ntohl(e->addr.lba); 1013 lba2msf(block, &m, &s, &f); 1014 /* Print track start */ 1015 printf ("%2d:%02d.%02d ", m, s, f); 1016 } 1017 if (lastflag) { 1018 /* Last track -- print block */ 1019 printf (" - %6d - -\n", block); 1020 return; 1021 } 1022 1023 if (msf) 1024 next = msf2lba (e[1].addr.msf.minute, e[1].addr.msf.second, 1025 e[1].addr.msf.frame); 1026 else 1027 next = ntohl(e[1].addr.lba); 1028 len = next - block; 1029 /* Take into account a start offset time. */ 1030 lba2msf (len - 150, &m, &s, &f); 1031 1032 /* Print duration, block, length, type */ 1033 printf ("%2d:%02d.%02d %6d %6d %5s\n", m, s, f, block, len, 1034 (e->control & 4) ? "data" : "audio"); 1035 } 1036 1037 int play_track (int tstart, int istart, int tend, int iend) 1038 { 1039 struct ioc_play_track t; 1040 1041 t.start_track = tstart; 1042 t.start_index = istart; 1043 t.end_track = tend; 1044 t.end_index = iend; 1045 1046 return ioctl (fd, CDIOCPLAYTRACKS, &t); 1047 } 1048 1049 int play_blocks (int blk, int len) 1050 { 1051 struct ioc_play_blocks t; 1052 1053 t.blk = blk; 1054 t.len = len; 1055 1056 return ioctl (fd, CDIOCPLAYBLOCKS, &t); 1057 } 1058 1059 int setvol (int left, int right) 1060 { 1061 struct ioc_vol v; 1062 1063 left = left < 0 ? 0 : left > 255 ? 255 : left; 1064 right = right < 0 ? 0 : right > 255 ? 255 : right; 1065 1066 v.vol[0] = left; 1067 v.vol[1] = right; 1068 v.vol[2] = 0; 1069 v.vol[3] = 0; 1070 1071 return ioctl (fd, CDIOCSETVOL, &v); 1072 } 1073 1074 int read_toc_entrys (int len) 1075 { 1076 struct ioc_read_toc_entry t; 1077 1078 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 1079 t.starting_track = 0; 1080 t.data_len = len; 1081 t.data = toc_buffer; 1082 1083 return (ioctl (fd, CDIOREADTOCENTRYS, (char *) &t)); 1084 } 1085 1086 int play_msf (int start_m, int start_s, int start_f, 1087 int end_m, int end_s, int end_f) 1088 { 1089 struct ioc_play_msf a; 1090 1091 a.start_m = start_m; 1092 a.start_s = start_s; 1093 a.start_f = start_f; 1094 a.end_m = end_m; 1095 a.end_s = end_s; 1096 a.end_f = end_f; 1097 1098 return ioctl (fd, CDIOCPLAYMSF, (char *) &a); 1099 } 1100 1101 int status (int *trk, int *min, int *sec, int *frame) 1102 { 1103 struct ioc_read_subchannel s; 1104 struct cd_sub_channel_info data; 1105 u_char mm, ss, ff; 1106 1107 bzero (&s, sizeof (s)); 1108 s.data = &data; 1109 s.data_len = sizeof (data); 1110 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 1111 s.data_format = CD_CURRENT_POSITION; 1112 1113 if (ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0) 1114 return -1; 1115 1116 *trk = s.data->what.position.track_number; 1117 if (msf) { 1118 *min = s.data->what.position.reladdr.msf.minute; 1119 *sec = s.data->what.position.reladdr.msf.second; 1120 *frame = s.data->what.position.reladdr.msf.frame; 1121 } else { 1122 lba2msf(ntohl(s.data->what.position.reladdr.lba), 1123 &mm, &ss, &ff); 1124 *min = mm; 1125 *sec = ss; 1126 *frame = ff; 1127 } 1128 1129 return s.data->header.audio_status; 1130 } 1131 1132 const char * 1133 cdcontrol_prompt() 1134 { 1135 return ("cdcontrol> "); 1136 } 1137 1138 char * 1139 input (int *cmd) 1140 { 1141 #define MAXLINE 80 1142 static EditLine *el = NULL; 1143 static History *hist = NULL; 1144 HistEvent he; 1145 static char buf[MAXLINE]; 1146 int num = 0; 1147 int len; 1148 const char *bp = NULL; 1149 char *p; 1150 1151 do { 1152 if (verbose) { 1153 if (!el) { 1154 el = el_init("cdcontrol", stdin, stdout, 1155 stderr); 1156 hist = history_init(); 1157 history(hist, &he, H_SETSIZE, 100); 1158 el_set(el, EL_HIST, history, hist); 1159 el_set(el, EL_EDITOR, "emacs"); 1160 el_set(el, EL_PROMPT, cdcontrol_prompt); 1161 el_set(el, EL_SIGNAL, 1); 1162 el_source(el, NULL); 1163 } 1164 if ((bp = el_gets(el, &num)) == NULL || num == 0) { 1165 *cmd = CMD_QUIT; 1166 fprintf (stderr, "\r\n"); 1167 return (0); 1168 } 1169 1170 len = (num > MAXLINE) ? MAXLINE : num; 1171 memcpy(buf, bp, len); 1172 buf[len] = 0; 1173 history(hist, &he, H_ENTER, bp); 1174 #undef MAXLINE 1175 1176 } else { 1177 if (! fgets (buf, sizeof (buf), stdin)) { 1178 *cmd = CMD_QUIT; 1179 fprintf (stderr, "\r\n"); 1180 return (0); 1181 } 1182 } 1183 p = parse (buf, cmd); 1184 } while (! p); 1185 return (p); 1186 } 1187 1188 char *parse (char *buf, int *cmd) 1189 { 1190 struct cmdtab *c; 1191 char *p; 1192 unsigned int len; 1193 1194 for (p=buf; isspace (*p); p++) 1195 continue; 1196 1197 if (isdigit (*p) || (p[0] == '#' && isdigit (p[1]))) { 1198 *cmd = CMD_PLAY; 1199 return (p); 1200 } else if (*p == '+') { 1201 *cmd = CMD_NEXT; 1202 return (p + 1); 1203 } else if (*p == '-') { 1204 *cmd = CMD_PREVIOUS; 1205 return (p + 1); 1206 } 1207 1208 for (buf = p; *p && ! isspace (*p); p++) 1209 continue; 1210 1211 len = p - buf; 1212 if (! len) 1213 return (0); 1214 1215 if (*p) { /* It must be a spacing character! */ 1216 char *q; 1217 1218 *p++ = 0; 1219 for (q=p; *q && *q != '\n' && *q != '\r'; q++) 1220 continue; 1221 *q = 0; 1222 } 1223 1224 *cmd = -1; 1225 for (c=cmdtab; c->name; ++c) { 1226 /* Is it an exact match? */ 1227 if (! strcasecmp (buf, c->name)) { 1228 *cmd = c->command; 1229 break; 1230 } 1231 1232 /* Try short hand forms then... */ 1233 if (len >= c->min && ! strncasecmp (buf, c->name, len)) { 1234 if (*cmd != -1 && *cmd != c->command) { 1235 warnx("ambiguous command"); 1236 return (0); 1237 } 1238 *cmd = c->command; 1239 } 1240 } 1241 1242 if (*cmd == -1) { 1243 warnx("invalid command, enter ``help'' for commands"); 1244 return (0); 1245 } 1246 1247 while (isspace (*p)) 1248 p++; 1249 return p; 1250 } 1251 1252 int open_cd () 1253 { 1254 char devbuf[MAXPATHLEN]; 1255 const char *dev; 1256 1257 if (fd > -1) 1258 return (1); 1259 1260 if (cdname) { 1261 if (*cdname == '/') { 1262 snprintf (devbuf, MAXPATHLEN, "%s", cdname); 1263 } else { 1264 snprintf (devbuf, MAXPATHLEN, "%s%s", _PATH_DEV, cdname); 1265 } 1266 fd = open (dev = devbuf, O_RDONLY); 1267 } else { 1268 fd = open(dev = "/dev/cdrom", O_RDONLY); 1269 if (fd < 0 && errno == ENOENT) 1270 fd = open(dev = "/dev/cd0", O_RDONLY); 1271 if (fd < 0 && errno == ENOENT) 1272 fd = open(dev = "/dev/acd0", O_RDONLY); 1273 } 1274 1275 if (fd < 0) { 1276 if (errno == ENXIO) { 1277 /* ENXIO has an overloaded meaning here. 1278 * The original "Device not configured" should 1279 * be interpreted as "No disc in drive %s". */ 1280 warnx("no disc in drive %s", dev); 1281 return (0); 1282 } 1283 err(1, "%s", dev); 1284 } 1285 return (1); 1286 } 1287