cdplay.c revision 1.1
1 /* $NetBSD: cdplay.c,v 1.1 1999/06/05 13:22:00 ad Exp $ */ 2 3 /* 4 * Copyright (c) 1999 Andy Doran <ad (at) NetBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 30 /* 31 * Compact Disc Control Utility by Serge V. Vakulenko <vak (at) cronyx.ru>. 32 * Based on the non-X based CD player by Jean-Marc Zucconi and 33 * Andrey A. Chernov. 34 * 35 * Fixed and further modified on 5-Sep-1995 by Jukka Ukkonen <jau (at) funet.fi>. 36 * 37 * 11-Sep-1995: Jukka A. Ukkonen <jau (at) funet.fi> 38 * A couple of further fixes to my own earlier "fixes". 39 * 40 * 18-Sep-1995: Jukka A. Ukkonen <jau (at) funet.fi> 41 * Added an ability to specify addresses relative to the 42 * beginning of a track. This is in fact a variation of 43 * doing the simple play_msf() call. 44 * 45 * 11-Oct-1995: Serge V.Vakulenko <vak (at) cronyx.ru> 46 * New eject algorithm. 47 * Some code style reformatting. 48 * 49 * From: Id: cdcontrol.c,v 1.17.2.1 1999/01/31 15:36:01 billf Exp 50 */ 51 52 /* 53 * XXX there are too many oppertunities to trash the stack from the command 54 * line - ad 55 */ 56 57 #include <sys/cdefs.h> 58 #ifndef lint 59 __RCSID("$NetBSD: cdplay.c,v 1.1 1999/06/05 13:22:00 ad Exp $"); 60 #endif /* not lint */ 61 62 #include <ctype.h> 63 #include <err.h> 64 #include <errno.h> 65 #include <stdio.h> 66 #include <stdlib.h> 67 #include <string.h> 68 #include <unistd.h> 69 70 #include <sys/file.h> 71 #include <sys/cdio.h> 72 #include <sys/ioctl.h> 73 74 #include <machine/disklabel.h> 75 76 #define ASTS_INVALID 0x00 /* Audio status byte not valid */ 77 #define ASTS_PLAYING 0x11 /* Audio play operation in progress */ 78 #define ASTS_PAUSED 0x12 /* Audio play operation paused */ 79 #define ASTS_COMPLETED 0x13 /* Audio play operation successfully completed */ 80 #define ASTS_ERROR 0x14 /* Audio play operation stopped due to error */ 81 #define ASTS_VOID 0x15 /* No current audio status to return */ 82 83 #define CMD_DEBUG 1 84 #define CMD_EJECT 2 85 #define CMD_HELP 3 86 #define CMD_INFO 4 87 #define CMD_PAUSE 5 88 #define CMD_PLAY 6 89 #define CMD_QUIT 7 90 #define CMD_RESUME 8 91 #define CMD_STOP 9 92 #define CMD_VOLUME 10 93 #define CMD_CLOSE 11 94 #define CMD_RESET 12 95 #define CMD_SET 13 96 #define CMD_STATUS 14 97 #define STATUS_AUDIO 0x1 98 #define STATUS_MEDIA 0x2 99 #define STATUS_VOLUME 0x4 100 101 struct cmdtab { 102 int command; 103 char *name; 104 unsigned min; 105 char *args; 106 } cmdtab[] = { 107 { CMD_CLOSE, "close", 1, "" }, 108 { CMD_EJECT, "eject", 1, "" }, 109 { CMD_HELP, "?", 1, 0 }, 110 { CMD_HELP, "help", 1, "" }, 111 { CMD_INFO, "info", 1, "" }, 112 { CMD_PAUSE, "pause", 2, "" }, 113 { CMD_PLAY, "play", 1, "min1:sec1[.fram1] [min2:sec2[.fram2]]" }, 114 { CMD_PLAY, "play", 1, "track1[.index1] [track2[.index2]]" }, 115 { CMD_PLAY, "play", 1, "tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]" }, 116 { CMD_PLAY, "play", 1, "[#block [len]]" }, 117 { CMD_QUIT, "quit", 1, "" }, 118 { CMD_RESET, "reset", 4, "" }, 119 { CMD_RESUME, "resume", 1, "" }, 120 { CMD_SET, "set", 2, "msf | lba" }, 121 { CMD_STATUS, "status", 1, "[audio | media | volume]" }, 122 { CMD_STOP, "stop", 3, "" }, 123 { CMD_VOLUME, "volume", 1, "<l> <r> | left | right | mute | mono | stereo" }, 124 { 0, } 125 }; 126 127 struct cd_toc_entry toc_buffer[100]; 128 129 const char *cdname; 130 int fd = -1; 131 int msf = 1; 132 133 int setvol __P((int, int)); 134 int read_toc_entrys __P((int)); 135 int play_msf __P((int, int, int, int, int, int)); 136 int play_track __P((int, int, int, int)); 137 int get_vol __P((int *, int *)); 138 int status __P((int *, int *, int *, int *)); 139 int open_cd __P((void)); 140 int play __P((char *arg)); 141 int info __P((char *arg)); 142 int pstatus __P((char *arg)); 143 char *input __P((int *)); 144 void prtrack __P((struct cd_toc_entry * e, int lastflag)); 145 void lba2msf __P((unsigned long lba, u_char * m, u_char * s, u_char * f)); 146 u_int msf2lba __P((u_char m, u_char s, u_char f)); 147 int play_blocks __P((int blk, int len)); 148 int run __P((int cmd, char *arg)); 149 char *parse __P((char *buf, int *cmd)); 150 void help __P((void)); 151 void usage __P((void)); 152 char *strstatus __P((int)); 153 154 void 155 help() 156 { 157 struct cmdtab *c; 158 char *s, n; 159 int i; 160 161 for (c = cmdtab; c->name; ++c) { 162 if (!c->args) 163 continue; 164 printf("\t"); 165 for (i = c->min, s = c->name; *s; s++, i--) { 166 if (i > 0) 167 n = toupper(*s); 168 else 169 n = *s; 170 putchar(n); 171 } 172 if (*c->args) 173 printf(" %s", c->args); 174 printf("\n"); 175 } 176 printf("\n\tThe word \"play\" is not required for the play commands.\n"); 177 printf("\tThe plain target address is taken as a synonym for play.\n"); 178 } 179 180 void 181 usage() 182 { 183 fprintf(stderr, "usage: cdplay [-f device] [command ...]\n"); 184 exit(1); 185 } 186 187 int 188 main(int argc, char **argv) 189 { 190 char *arg; 191 int cmd; 192 193 cdname = getenv("MUSIC_CD"); 194 if (!cdname) 195 cdname = getenv("CD_DRIVE"); 196 if (!cdname) 197 cdname = getenv("DISC"); 198 if (!cdname) 199 cdname = getenv("CDPLAY"); 200 201 for (;;) { 202 switch (getopt(argc, argv, "svhf:")) { 203 case EOF: 204 break; 205 case 'f': 206 cdname = optarg; 207 continue; 208 case 'h': 209 default: 210 usage(); 211 } 212 break; 213 } 214 argc -= optind; 215 argv += optind; 216 217 if (argc > 0 && !strcasecmp(*argv, "help")) 218 usage(); 219 220 if (!cdname) { 221 static char defdev[8]; 222 223 sprintf(defdev, "cd0%c", 'a' + RAW_PART); 224 cdname = defdev; 225 } 226 227 if (argc > 0) { 228 char buf[80], *p; 229 int len; 230 231 for (p = buf; argc-- > 0; ++argv) { 232 len = strlen(*argv); 233 234 if (p + len >= buf + sizeof(buf) - 1) 235 usage(); 236 237 if (p > buf) 238 *p++ = ' '; 239 240 strcpy(p, *argv); 241 p += len; 242 } 243 *p = 0; 244 arg = parse(buf, &cmd); 245 return (run(cmd, arg)); 246 } 247 248 printf("Type `?' for command list\n\n"); 249 250 for (;;) { 251 arg = input(&cmd); 252 if (run(cmd, arg) < 0) { 253 /* XXX damned -Wall */ 254 char *null = NULL; 255 warn(null); 256 close(fd); 257 fd = -1; 258 } 259 fflush(stdout); 260 } 261 } 262 263 int 264 run(int cmd, char *arg) 265 { 266 int l, r, rc; 267 268 switch (cmd) { 269 case CMD_QUIT: 270 exit(0); 271 272 case CMD_INFO: 273 if (fd < 0 && !open_cd()) 274 return (0); 275 276 return info(arg); 277 278 case CMD_STATUS: 279 if (fd < 0 && !open_cd()) 280 return (0); 281 282 return pstatus(arg); 283 284 case CMD_PAUSE: 285 if (fd < 0 && !open_cd()) 286 return (0); 287 288 return ioctl(fd, CDIOCPAUSE); 289 290 case CMD_RESUME: 291 if (fd < 0 && !open_cd()) 292 return (0); 293 294 return ioctl(fd, CDIOCRESUME); 295 296 case CMD_STOP: 297 if (fd < 0 && !open_cd()) 298 return (0); 299 300 rc = ioctl(fd, CDIOCSTOP); 301 (void) ioctl(fd, CDIOCALLOW); 302 return (rc); 303 304 case CMD_RESET: 305 if (fd < 0 && !open_cd()) 306 return (0); 307 308 rc = ioctl(fd, CDIOCRESET); 309 if (rc < 0) 310 return rc; 311 close(fd); 312 fd = -1; 313 return (0); 314 315 case CMD_EJECT: 316 if (fd < 0 && !open_cd()) 317 return (0); 318 319 (void) ioctl(fd, CDIOCALLOW); 320 rc = ioctl(fd, CDIOCEJECT); 321 if (rc < 0) 322 return (rc); 323 return (0); 324 325 case CMD_CLOSE: 326 if (fd < 0 && !open_cd()) 327 return (0); 328 329 (void) ioctl(fd, CDIOCALLOW); 330 rc = ioctl(fd, CDIOCCLOSE); 331 if (rc < 0) 332 return (rc); 333 close(fd); 334 fd = -1; 335 return (0); 336 337 case CMD_PLAY: 338 if (fd < 0 && !open_cd()) 339 return (0); 340 341 while (isspace(*arg)) 342 arg++; 343 return play(arg); 344 345 case CMD_SET: 346 if (!strcasecmp(arg, "msf")) 347 msf = 1; 348 else 349 if (!strcasecmp(arg, "lba")) 350 msf = 0; 351 else 352 warnx("invalid command arguments"); 353 return (0); 354 355 case CMD_VOLUME: 356 if (fd < 0 && !open_cd()) 357 return (0); 358 359 if (!strncasecmp(arg, "left", strlen(arg))) 360 return ioctl(fd, CDIOCSETLEFT); 361 362 if (!strncasecmp(arg, "right", strlen(arg))) 363 return ioctl(fd, CDIOCSETRIGHT); 364 365 if (!strncasecmp(arg, "mono", strlen(arg))) 366 return ioctl(fd, CDIOCSETMONO); 367 368 if (!strncasecmp(arg, "stereo", strlen(arg))) 369 return ioctl(fd, CDIOCSETSTEREO); 370 371 if (!strncasecmp(arg, "mute", strlen(arg))) 372 return ioctl(fd, CDIOCSETMUTE); 373 374 if (2 != sscanf(arg, "%d %d", &l, &r)) { 375 warnx("invalid command arguments"); 376 return (0); 377 } 378 return setvol(l, r); 379 380 case CMD_HELP: 381 default: 382 help(); 383 return (0); 384 385 } 386 } 387 388 int 389 play(char *arg) 390 { 391 struct ioc_toc_header h; 392 int rc, n, start, end = 0, istart = 1, iend = 1; 393 394 rc = ioctl(fd, CDIOREADTOCHEADER, &h); 395 396 if (rc < 0) 397 return (rc); 398 399 n = h.ending_track - h.starting_track + 1; 400 rc = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 401 402 if (rc < 0) 403 return (rc); 404 405 if (!arg || !*arg) { 406 /* Play the whole disc */ 407 if (msf) 408 return play_blocks(0, msf2lba(toc_buffer[n].addr.msf.minute, 409 toc_buffer[n].addr.msf.second, 410 toc_buffer[n].addr.msf.frame)); 411 412 return play_blocks(0, ntohl(toc_buffer[n].addr.lba)); 413 } 414 415 if (strchr(arg, '#')) { 416 /* Play block #blk [ len ] */ 417 int blk, len = 0; 418 419 if (2 != sscanf(arg, "#%d%d", &blk, &len) && 420 1 != sscanf(arg, "#%d", &blk)) 421 goto Clean_up; 422 423 if (len == 0) { 424 if (msf) 425 len = msf2lba(toc_buffer[n].addr.msf.minute, 426 toc_buffer[n].addr.msf.second, 427 toc_buffer[n].addr.msf.frame) - blk; 428 else 429 len = ntohl(toc_buffer[n].addr.lba) - blk; 430 } 431 return play_blocks(blk, len); 432 } 433 434 if (strchr(arg, ':')) { 435 /* 436 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ] 437 * 438 * Will now also undestand timed addresses relative 439 * to the beginning of a track in the form... 440 * 441 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]] 442 */ 443 unsigned tr1, tr2; 444 unsigned m1, m2, s1, s2, f1, f2; 445 unsigned char tm, ts, tf; 446 447 tr2 = m2 = s2 = f2 = f1 = 0; 448 if (8 == sscanf(arg, "%d %d:%d.%d %d %d:%d.%d", 449 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &f2)) 450 goto Play_Relative_Addresses; 451 452 tr2 = m2 = s2 = f2 = f1 = 0; 453 if (7 == sscanf(arg, "%d %d:%d %d %d:%d.%d", 454 &tr1, &m1, &s1, &tr2, &m2, &s2, &f2)) 455 goto Play_Relative_Addresses; 456 457 tr2 = m2 = s2 = f2 = f1 = 0; 458 if (7 == sscanf(arg, "%d %d:%d.%d %d %d:%d", 459 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2)) 460 goto Play_Relative_Addresses; 461 462 tr2 = m2 = s2 = f2 = f1 = 0; 463 if (7 == sscanf(arg, "%d %d:%d.%d %d:%d.%d", 464 &tr1, &m1, &s1, &f1, &m2, &s2, &f2)) 465 goto Play_Relative_Addresses; 466 467 tr2 = m2 = s2 = f2 = f1 = 0; 468 if (6 == sscanf(arg, "%d %d:%d.%d %d:%d", 469 &tr1, &m1, &s1, &f1, &m2, &s2)) 470 goto Play_Relative_Addresses; 471 472 tr2 = m2 = s2 = f2 = f1 = 0; 473 if (6 == sscanf(arg, "%d %d:%d %d:%d.%d", 474 &tr1, &m1, &s1, &m2, &s2, &f2)) 475 goto Play_Relative_Addresses; 476 477 tr2 = m2 = s2 = f2 = f1 = 0; 478 if (6 == sscanf(arg, "%d %d:%d.%d %d %d", 479 &tr1, &m1, &s1, &f1, &tr2, &m2)) 480 goto Play_Relative_Addresses; 481 482 tr2 = m2 = s2 = f2 = f1 = 0; 483 if (5 == sscanf(arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, &s2)) 484 goto Play_Relative_Addresses; 485 486 tr2 = m2 = s2 = f2 = f1 = 0; 487 if (5 == sscanf(arg, "%d %d:%d %d %d", 488 &tr1, &m1, &s1, &tr2, &m2)) 489 goto Play_Relative_Addresses; 490 491 tr2 = m2 = s2 = f2 = f1 = 0; 492 if (5 == sscanf(arg, "%d %d:%d.%d %d", 493 &tr1, &m1, &s1, &f1, &tr2)) 494 goto Play_Relative_Addresses; 495 496 tr2 = m2 = s2 = f2 = f1 = 0; 497 if (4 == sscanf(arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2)) 498 goto Play_Relative_Addresses; 499 500 tr2 = m2 = s2 = f2 = f1 = 0; 501 if (4 == sscanf(arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1)) 502 goto Play_Relative_Addresses; 503 504 tr2 = m2 = s2 = f2 = f1 = 0; 505 if (3 == sscanf(arg, "%d %d:%d", &tr1, &m1, &s1)) 506 goto Play_Relative_Addresses; 507 508 tr2 = m2 = s2 = f2 = f1 = 0; 509 goto Try_Absolute_Timed_Addresses; 510 511 Play_Relative_Addresses: 512 if (!tr1) 513 tr1 = 1; 514 else 515 if (tr1 > n) 516 tr1 = n; 517 518 if (msf) { 519 tm = toc_buffer[tr1].addr.msf.minute; 520 ts = toc_buffer[tr1].addr.msf.second; 521 tf = toc_buffer[tr1].addr.msf.frame; 522 } else 523 lba2msf(ntohl(toc_buffer[tr1].addr.lba), 524 &tm, &ts, &tf); 525 if ((m1 > tm) 526 || ((m1 == tm) 527 && ((s1 > ts) 528 || ((s1 == ts) 529 && (f1 > tf))))) { 530 printf("Track %d is not that long.\n", tr1); 531 return (0); 532 } 533 tr1--; 534 535 f1 += tf; 536 if (f1 >= 75) { 537 s1 += f1 / 75; 538 f1 %= 75; 539 } 540 s1 += ts; 541 if (s1 >= 60) { 542 m1 += s1 / 60; 543 s1 %= 60; 544 } 545 m1 += tm; 546 547 if (!tr2) { 548 if (m2 || s2 || f2) { 549 tr2 = tr1; 550 f2 += f1; 551 if (f2 >= 75) { 552 s2 += f2 / 75; 553 f2 %= 75; 554 } 555 s2 += s1; 556 if (s2 > 60) { 557 m2 += s2 / 60; 558 s2 %= 60; 559 } 560 m2 += m1; 561 } else { 562 tr2 = n; 563 if (msf) { 564 m2 = toc_buffer[n].addr.msf.minute; 565 s2 = toc_buffer[n].addr.msf.second; 566 f2 = toc_buffer[n].addr.msf.frame; 567 } else { 568 lba2msf(ntohl(toc_buffer[n].addr.lba), 569 &tm, &ts, &tf); 570 m2 = tm; 571 s2 = ts; 572 f2 = tf; 573 } 574 } 575 } else { 576 if (tr2 > n) { 577 tr2 = n; 578 m2 = s2 = f2 = 0; 579 } else { 580 if (m2 || s2 || f2) 581 tr2--; 582 if (msf) { 583 tm = toc_buffer[tr2].addr.msf.minute; 584 ts = toc_buffer[tr2].addr.msf.second; 585 tf = toc_buffer[tr2].addr.msf.frame; 586 } else 587 lba2msf(ntohl(toc_buffer[tr2].addr.lba), 588 &tm, &ts, &tf); 589 f2 += tf; 590 if (f2 >= 75) { 591 s2 += f2 / 75; 592 f2 %= 75; 593 } 594 s2 += ts; 595 if (s2 > 60) { 596 m2 += s2 / 60; 597 s2 %= 60; 598 } 599 m2 += tm; 600 } 601 } 602 603 if (msf) { 604 tm = toc_buffer[n].addr.msf.minute; 605 ts = toc_buffer[n].addr.msf.second; 606 tf = toc_buffer[n].addr.msf.frame; 607 } else 608 lba2msf(ntohl(toc_buffer[n].addr.lba), 609 &tm, &ts, &tf); 610 if ((tr2 < n) 611 && ((m2 > tm) 612 || ((m2 == tm) 613 && ((s2 > ts) 614 || ((s2 == ts) 615 && (f2 > tf)))))) { 616 printf("The playing time of the disc is not that long.\n"); 617 return (0); 618 } 619 return (play_msf(m1, s1, f1, m2, s2, f2)); 620 621 Try_Absolute_Timed_Addresses: 622 if (6 != sscanf(arg, "%d:%d.%d%d:%d.%d", 623 &m1, &s1, &f1, &m2, &s2, &f2) && 624 5 != sscanf(arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) && 625 5 != sscanf(arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) && 626 3 != sscanf(arg, "%d:%d.%d", &m1, &s1, &f1) && 627 4 != sscanf(arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) && 628 2 != sscanf(arg, "%d:%d", &m1, &s1)) 629 goto Clean_up; 630 631 if (m2 == 0) { 632 if (msf) { 633 m2 = toc_buffer[n].addr.msf.minute; 634 s2 = toc_buffer[n].addr.msf.second; 635 f2 = toc_buffer[n].addr.msf.frame; 636 } else { 637 lba2msf(ntohl(toc_buffer[n].addr.lba), 638 &tm, &ts, &tf); 639 m2 = tm; 640 s2 = ts; 641 f2 = tf; 642 } 643 } 644 return play_msf(m1, s1, f1, m2, s2, f2); 645 } 646 /* 647 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ] 648 */ 649 if (4 != sscanf(arg, "%d.%d%d.%d", &start, &istart, &end, &iend) && 650 3 != sscanf(arg, "%d.%d%d", &start, &istart, &end) && 651 3 != sscanf(arg, "%d%d.%d", &start, &end, &iend) && 652 2 != sscanf(arg, "%d.%d", &start, &istart) && 653 2 != sscanf(arg, "%d%d", &start, &end) && 654 1 != sscanf(arg, "%d", &start)) 655 goto Clean_up; 656 657 if (end == 0) 658 end = n; 659 return (play_track(start, istart, end, iend)); 660 661 Clean_up: 662 warnx("invalid command arguments"); 663 return (0); 664 } 665 666 char * 667 strstatus(int sts) 668 { 669 switch (sts) { 670 case ASTS_INVALID: 671 return ("invalid"); 672 case ASTS_PLAYING: 673 return ("playing"); 674 case ASTS_PAUSED: 675 return ("paused"); 676 case ASTS_COMPLETED: 677 return ("completed"); 678 case ASTS_ERROR: 679 return ("error"); 680 case ASTS_VOID: 681 return ("not playing"); 682 default: 683 return ("??"); 684 } 685 } 686 687 int 688 pstatus(char *arg) 689 { 690 struct ioc_vol v; 691 struct ioc_read_subchannel ss; 692 struct cd_sub_channel_info data; 693 int rc, trk, m, s, f; 694 int what = 0; 695 char *p; 696 697 while ((p = strtok(arg, " \t"))) { 698 arg = 0; 699 if (!strncasecmp(p, "audio", strlen(p))) 700 what |= STATUS_AUDIO; 701 else { 702 if (!strncasecmp(p, "media", strlen(p))) 703 what |= STATUS_MEDIA; 704 else { 705 if (!strncasecmp(p, "volume", strlen(p))) 706 what |= STATUS_VOLUME; 707 else { 708 warnx("invalid command arguments"); 709 return 0; 710 } 711 } 712 } 713 } 714 if (!what) 715 what = STATUS_AUDIO | STATUS_MEDIA | STATUS_VOLUME; 716 if (what & STATUS_AUDIO) { 717 rc = status(&trk, &m, &s, &f); 718 if (rc >= 0) { 719 printf("Audio status:\t%s\n", strstatus(rc)); 720 printf("Current track:\t%d\n", trk); 721 printf("Position:\t%d:%02d.%02d\n", m, s, f); 722 } else 723 printf("Audio status:\tno info available\n"); 724 } 725 if (what & STATUS_MEDIA) { 726 bzero(&ss, sizeof(ss)); 727 ss.data = &data; 728 ss.data_len = sizeof(data); 729 ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 730 ss.data_format = CD_MEDIA_CATALOG; 731 rc = ioctl(fd, CDIOCREADSUBCHANNEL, (char *) &ss); 732 if (rc >= 0) { 733 printf("Media catalog:\t%sactive", 734 ss.data->what.media_catalog.mc_valid ? "" : "in"); 735 if (ss.data->what.media_catalog.mc_valid && 736 ss.data->what.media_catalog.mc_number[0]) 737 printf(" (%.15s)", 738 ss.data->what.media_catalog.mc_number); 739 putchar('\n'); 740 } else 741 printf("Media catalog:\tnone\n"); 742 } 743 if (what & STATUS_VOLUME) { 744 rc = ioctl(fd, CDIOCGETVOL, &v); 745 if (rc >= 0) { 746 printf("Left volume:\t%d\n", v.vol[0]); 747 printf("Right volume:\t%d\n", v.vol[1]); 748 } else { 749 printf("Left volume:\tnot available\n"); 750 printf("Right volume:\tnot available\n"); 751 } 752 } 753 return (0); 754 } 755 756 int 757 info(char *arg) 758 { 759 struct ioc_toc_header h; 760 int rc, i, n; 761 762 if ((rc = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 763 warn("getting toc header"); 764 return (rc); 765 } 766 767 n = h.ending_track - h.starting_track + 1; 768 rc = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 769 if (rc < 0) 770 return (rc); 771 772 printf("track start duration block length type\n"); 773 printf("-------------------------------------------------\n"); 774 775 for (i = 0; i < n; i++) { 776 printf("%5d ", toc_buffer[i].track); 777 prtrack(toc_buffer + i, 0); 778 } 779 printf("%5d ", toc_buffer[n].track); 780 prtrack(toc_buffer + n, 1); 781 return (0); 782 } 783 784 void 785 lba2msf(unsigned long lba, u_char * m, u_char * s, u_char * f) 786 { 787 lba += 150; /* block start offset */ 788 lba &= 0xffffff; /* negative lbas use only 24 bits */ 789 *m = lba / (60 * 75); 790 lba %= (60 * 75); 791 *s = lba / 75; 792 *f = lba % 75; 793 } 794 795 u_int 796 msf2lba(u_char m, u_char s, u_char f) 797 { 798 return (((m * 60) + s) * 75 + f) - 150; 799 } 800 801 void 802 prtrack(struct cd_toc_entry * e, int lastflag) 803 { 804 int block, next, len; 805 u_char m, s, f; 806 807 if (msf) { 808 /* Print track start */ 809 printf("%2d:%02d.%02d ", e->addr.msf.minute, 810 e->addr.msf.second, e->addr.msf.frame); 811 812 block = msf2lba(e->addr.msf.minute, e->addr.msf.second, 813 e->addr.msf.frame); 814 } else { 815 block = ntohl(e->addr.lba); 816 lba2msf(block, &m, &s, &f); 817 /* Print track start */ 818 printf("%2d:%02d.%02d ", m, s, f); 819 } 820 if (lastflag) { 821 /* Last track -- print block */ 822 printf(" - %6d - -\n", block); 823 return; 824 } 825 if (msf) 826 next = msf2lba(e[1].addr.msf.minute, e[1].addr.msf.second, 827 e[1].addr.msf.frame); 828 else 829 next = ntohl(e[1].addr.lba); 830 len = next - block; 831 lba2msf(len, &m, &s, &f); 832 833 /* Print duration, block, length, type */ 834 printf("%2d:%02d.%02d %6d %6d %5s\n", m, s, f, block, len, 835 (e->control & 4) ? "data" : "audio"); 836 } 837 838 int 839 play_track(int tstart, int istart, int tend, int iend) 840 { 841 struct ioc_play_track t; 842 843 t.start_track = tstart; 844 t.start_index = istart; 845 t.end_track = tend; 846 t.end_index = iend; 847 848 return ioctl(fd, CDIOCPLAYTRACKS, &t); 849 } 850 851 int 852 play_blocks(int blk, int len) 853 { 854 struct ioc_play_blocks t; 855 856 t.blk = blk; 857 t.len = len; 858 859 return ioctl(fd, CDIOCPLAYBLOCKS, &t); 860 } 861 862 int 863 setvol(int left, int right) 864 { 865 struct ioc_vol v; 866 867 v.vol[0] = left; 868 v.vol[1] = right; 869 v.vol[2] = 0; 870 v.vol[3] = 0; 871 872 return ioctl(fd, CDIOCSETVOL, &v); 873 } 874 875 int 876 read_toc_entrys(int len) 877 { 878 struct ioc_read_toc_entry t; 879 880 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 881 t.starting_track = 0; 882 t.data_len = len; 883 t.data = toc_buffer; 884 885 return (ioctl(fd, CDIOREADTOCENTRYS, (char *) &t)); 886 } 887 888 int 889 play_msf(int start_m, int start_s, int start_f, 890 int end_m, int end_s, int end_f) 891 { 892 struct ioc_play_msf a; 893 894 a.start_m = start_m; 895 a.start_s = start_s; 896 a.start_f = start_f; 897 a.end_m = end_m; 898 a.end_s = end_s; 899 a.end_f = end_f; 900 901 return ioctl(fd, CDIOCPLAYMSF, (char *) &a); 902 } 903 904 int 905 status(int *trk, int *min, int *sec, int *frame) 906 { 907 struct ioc_read_subchannel s; 908 struct cd_sub_channel_info data; 909 u_char mm, ss, ff; 910 911 bzero(&s, sizeof(s)); 912 s.data = &data; 913 s.data_len = sizeof(data); 914 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 915 s.data_format = CD_CURRENT_POSITION; 916 917 if (ioctl(fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0) 918 return -1; 919 920 *trk = s.data->what.position.track_number; 921 if (msf) { 922 *min = s.data->what.position.reladdr.msf.minute; 923 *sec = s.data->what.position.reladdr.msf.second; 924 *frame = s.data->what.position.reladdr.msf.frame; 925 } else { 926 lba2msf(ntohl(s.data->what.position.reladdr.lba), 927 &mm, &ss, &ff); 928 *min = mm; 929 *sec = ss; 930 *frame = ff; 931 } 932 933 return s.data->header.audio_status; 934 } 935 936 char * 937 input(int *cmd) 938 { 939 static char buf[80]; 940 char *p; 941 942 do { 943 fprintf(stderr, "cdplay> "); 944 945 if (!fgets(buf, sizeof(buf), stdin)) { 946 *cmd = CMD_QUIT; 947 fprintf(stderr, "\r\n"); 948 return (0); 949 } 950 p = parse(buf, cmd); 951 } while (!p); 952 return (p); 953 } 954 955 char * 956 parse(char *buf, int *cmd) 957 { 958 struct cmdtab *c; 959 char *p; 960 int len; 961 962 for (p = buf; isspace(*p); p++) 963 continue; 964 965 if (isdigit(*p) || (p[0] == '#' && isdigit(p[1]))) { 966 *cmd = CMD_PLAY; 967 return (p); 968 } 969 for (buf = p; *p && !isspace(*p); p++) 970 continue; 971 972 len = p - buf; 973 if (!len) 974 return (0); 975 976 if (*p) { /* It must be a spacing character! */ 977 char *q; 978 979 *p++ = 0; 980 for (q = p; *q && *q != '\n' && *q != '\r'; q++) 981 continue; 982 *q = 0; 983 } 984 *cmd = -1; 985 for (c = cmdtab; c->name; ++c) { 986 /* Is it an exact match? */ 987 if (!strcasecmp(buf, c->name)) { 988 *cmd = c->command; 989 break; 990 } 991 /* Try short hand forms then... */ 992 if (len >= c->min && !strncasecmp(buf, c->name, len)) { 993 if (*cmd != -1 && *cmd != c->command) { 994 warnx("ambiguous command"); 995 return (0); 996 } 997 *cmd = c->command; 998 } 999 } 1000 1001 if (*cmd == -1) { 1002 warnx("invalid command, enter ``help'' for commands"); 1003 return (0); 1004 } 1005 while (isspace(*p)) 1006 p++; 1007 return p; 1008 } 1009 1010 int 1011 open_cd() 1012 { 1013 char devbuf[80]; 1014 size_t len; 1015 1016 if (fd > -1) 1017 return (1); 1018 1019 if (*cdname == '/') 1020 strcpy(devbuf, cdname); 1021 else 1022 if (*cdname == 'r') 1023 len = sprintf(devbuf, "/dev/%s", cdname); 1024 else 1025 len = sprintf(devbuf, "/dev/r%s", cdname); 1026 1027 fd = open(devbuf, O_RDONLY); 1028 1029 if (fd < 0 && errno == ENOENT) { 1030 devbuf[len] = 'a' + RAW_PART; 1031 devbuf[len + 1] = '\0'; 1032 fd = open(devbuf, O_RDONLY); 1033 } 1034 if (fd < 0) { 1035 if (errno == ENXIO) { 1036 /* ENXIO has an overloaded meaning here. The original 1037 * "Device not configured" should be interpreted as 1038 * "No disc in drive %s". */ 1039 warnx("no disc in drive %s", devbuf); 1040 return (0); 1041 } 1042 err(1, "%s", devbuf); 1043 } 1044 return (1); 1045 } 1046
Indexes created Tue Sep 30 17:09:57 GMT 2025