cdplay.c revision 1.2
1 /* $NetBSD: cdplay.c,v 1.2 1999/06/05 14:03:32 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 1.2 1999/06/05 14:03:32 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 *)); 141 int info __P((char *)); 142 int pstatus __P((char *)); 143 char *input __P((int *)); 144 void prtrack __P((struct cd_toc_entry *, int)); 145 void lba2msf __P((u_long, u_char *, u_char *, u_char *)); 146 u_int msf2lba __P((u_char, u_char, u_char)); 147 int play_blocks __P((int, int)); 148 int run __P((int, char *)); 149 char *parse __P((char *, int *)); 150 void help __P((void)); 151 void usage __P((void)); 152 char *strstatus __P((int)); 153 int main __P((int, char **)); 154 155 void 156 help() 157 { 158 struct cmdtab *c; 159 char *s, 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 182 usage() 183 { 184 fprintf(stderr, "usage: cdplay [-f device] [command ...]\n"); 185 exit(1); 186 } 187 188 int 189 main(argc, argv) 190 int argc; 191 char **argv; 192 { 193 char *arg; 194 int cmd; 195 196 cdname = getenv("MUSIC_CD"); 197 if (!cdname) 198 cdname = getenv("CD_DRIVE"); 199 if (!cdname) 200 cdname = getenv("DISC"); 201 if (!cdname) 202 cdname = getenv("CDPLAY"); 203 204 for (;;) { 205 switch (getopt(argc, argv, "svhf:")) { 206 case EOF: 207 break; 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 static char defdev[8]; 225 226 sprintf(defdev, "cd0%c", 'a' + RAW_PART); 227 cdname = defdev; 228 } 229 230 if (argc > 0) { 231 char buf[80], *p; 232 int len; 233 234 for (p = buf; argc-- > 0; ++argv) { 235 len = strlen(*argv); 236 237 if (p + len >= buf + sizeof(buf) - 1) 238 usage(); 239 240 if (p > buf) 241 *p++ = ' '; 242 243 strcpy(p, *argv); 244 p += len; 245 } 246 *p = 0; 247 arg = parse(buf, &cmd); 248 return (run(cmd, arg)); 249 } 250 251 printf("Type `?' for command list\n\n"); 252 253 for (;;) { 254 arg = input(&cmd); 255 if (run(cmd, arg) < 0) { 256 /* XXX damned -Wall */ 257 char *null = NULL; 258 warn(null); 259 close(fd); 260 fd = -1; 261 } 262 fflush(stdout); 263 } 264 } 265 266 int 267 run(cmd, arg) 268 int cmd; 269 char *arg; 270 { 271 int l, r, rc; 272 273 switch (cmd) { 274 case CMD_QUIT: 275 exit(0); 276 277 case CMD_INFO: 278 if (fd < 0 && !open_cd()) 279 return (0); 280 281 return info(arg); 282 283 case CMD_STATUS: 284 if (fd < 0 && !open_cd()) 285 return (0); 286 287 return pstatus(arg); 288 289 case CMD_PAUSE: 290 if (fd < 0 && !open_cd()) 291 return (0); 292 293 return ioctl(fd, CDIOCPAUSE); 294 295 case CMD_RESUME: 296 if (fd < 0 && !open_cd()) 297 return (0); 298 299 return ioctl(fd, CDIOCRESUME); 300 301 case CMD_STOP: 302 if (fd < 0 && !open_cd()) 303 return (0); 304 305 rc = ioctl(fd, CDIOCSTOP); 306 (void) ioctl(fd, CDIOCALLOW); 307 return (rc); 308 309 case CMD_RESET: 310 if (fd < 0 && !open_cd()) 311 return (0); 312 313 rc = ioctl(fd, CDIOCRESET); 314 if (rc < 0) 315 return rc; 316 close(fd); 317 fd = -1; 318 return (0); 319 320 case CMD_EJECT: 321 if (fd < 0 && !open_cd()) 322 return (0); 323 324 (void) ioctl(fd, CDIOCALLOW); 325 rc = ioctl(fd, CDIOCEJECT); 326 if (rc < 0) 327 return (rc); 328 return (0); 329 330 case CMD_CLOSE: 331 if (fd < 0 && !open_cd()) 332 return (0); 333 334 (void) ioctl(fd, CDIOCALLOW); 335 rc = ioctl(fd, CDIOCCLOSE); 336 if (rc < 0) 337 return (rc); 338 close(fd); 339 fd = -1; 340 return (0); 341 342 case CMD_PLAY: 343 if (fd < 0 && !open_cd()) 344 return (0); 345 346 while (isspace(*arg)) 347 arg++; 348 return play(arg); 349 350 case CMD_SET: 351 if (!strcasecmp(arg, "msf")) 352 msf = 1; 353 else 354 if (!strcasecmp(arg, "lba")) 355 msf = 0; 356 else 357 warnx("invalid command arguments"); 358 return (0); 359 360 case CMD_VOLUME: 361 if (fd < 0 && !open_cd()) 362 return (0); 363 364 if (!strncasecmp(arg, "left", strlen(arg))) 365 return ioctl(fd, CDIOCSETLEFT); 366 367 if (!strncasecmp(arg, "right", strlen(arg))) 368 return ioctl(fd, CDIOCSETRIGHT); 369 370 if (!strncasecmp(arg, "mono", strlen(arg))) 371 return ioctl(fd, CDIOCSETMONO); 372 373 if (!strncasecmp(arg, "stereo", strlen(arg))) 374 return ioctl(fd, CDIOCSETSTEREO); 375 376 if (!strncasecmp(arg, "mute", strlen(arg))) 377 return ioctl(fd, CDIOCSETMUTE); 378 379 if (2 != sscanf(arg, "%d %d", &l, &r)) { 380 warnx("invalid command arguments"); 381 return (0); 382 } 383 return setvol(l, r); 384 385 case CMD_HELP: 386 default: 387 help(); 388 return (0); 389 390 } 391 } 392 393 int 394 play(arg) 395 char *arg; 396 { 397 int rc, n, start, end, istart, iend; 398 struct ioc_toc_header h; 399 400 if ((rc = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) 401 return (rc); 402 403 end = 0; 404 istart = iend = 1; 405 n = h.ending_track - h.starting_track + 1; 406 rc = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 407 408 if (rc < 0) 409 return (rc); 410 411 if (!arg || !*arg) { 412 /* Play the whole disc */ 413 if (msf) 414 return play_blocks(0, msf2lba(toc_buffer[n].addr.msf.minute, 415 toc_buffer[n].addr.msf.second, 416 toc_buffer[n].addr.msf.frame)); 417 418 return play_blocks(0, ntohl(toc_buffer[n].addr.lba)); 419 } 420 421 if (strchr(arg, '#')) { 422 /* Play block #blk [ len ] */ 423 int blk, len = 0; 424 425 if (2 != sscanf(arg, "#%d%d", &blk, &len) && 426 1 != sscanf(arg, "#%d", &blk)) 427 goto Clean_up; 428 429 if (len == 0) { 430 if (msf) 431 len = msf2lba(toc_buffer[n].addr.msf.minute, 432 toc_buffer[n].addr.msf.second, 433 toc_buffer[n].addr.msf.frame) - blk; 434 else 435 len = ntohl(toc_buffer[n].addr.lba) - blk; 436 } 437 return play_blocks(blk, len); 438 } 439 440 if (strchr(arg, ':')) { 441 /* 442 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ] 443 * 444 * Will now also undestand timed addresses relative 445 * to the beginning of a track in the form... 446 * 447 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]] 448 */ 449 unsigned tr1, tr2; 450 unsigned m1, m2, s1, s2, f1, f2; 451 unsigned char tm, ts, tf; 452 453 tr2 = m2 = s2 = f2 = f1 = 0; 454 if (8 == sscanf(arg, "%d %d:%d.%d %d %d:%d.%d", 455 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &f2)) 456 goto Play_Relative_Addresses; 457 458 tr2 = m2 = s2 = f2 = f1 = 0; 459 if (7 == sscanf(arg, "%d %d:%d %d %d:%d.%d", 460 &tr1, &m1, &s1, &tr2, &m2, &s2, &f2)) 461 goto Play_Relative_Addresses; 462 463 tr2 = m2 = s2 = f2 = f1 = 0; 464 if (7 == sscanf(arg, "%d %d:%d.%d %d %d:%d", 465 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2)) 466 goto Play_Relative_Addresses; 467 468 tr2 = m2 = s2 = f2 = f1 = 0; 469 if (7 == sscanf(arg, "%d %d:%d.%d %d:%d.%d", 470 &tr1, &m1, &s1, &f1, &m2, &s2, &f2)) 471 goto Play_Relative_Addresses; 472 473 tr2 = m2 = s2 = f2 = f1 = 0; 474 if (6 == sscanf(arg, "%d %d:%d.%d %d:%d", 475 &tr1, &m1, &s1, &f1, &m2, &s2)) 476 goto Play_Relative_Addresses; 477 478 tr2 = m2 = s2 = f2 = f1 = 0; 479 if (6 == sscanf(arg, "%d %d:%d %d:%d.%d", 480 &tr1, &m1, &s1, &m2, &s2, &f2)) 481 goto Play_Relative_Addresses; 482 483 tr2 = m2 = s2 = f2 = f1 = 0; 484 if (6 == sscanf(arg, "%d %d:%d.%d %d %d", 485 &tr1, &m1, &s1, &f1, &tr2, &m2)) 486 goto Play_Relative_Addresses; 487 488 tr2 = m2 = s2 = f2 = f1 = 0; 489 if (5 == sscanf(arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, &s2)) 490 goto Play_Relative_Addresses; 491 492 tr2 = m2 = s2 = f2 = f1 = 0; 493 if (5 == sscanf(arg, "%d %d:%d %d %d", 494 &tr1, &m1, &s1, &tr2, &m2)) 495 goto Play_Relative_Addresses; 496 497 tr2 = m2 = s2 = f2 = f1 = 0; 498 if (5 == sscanf(arg, "%d %d:%d.%d %d", 499 &tr1, &m1, &s1, &f1, &tr2)) 500 goto Play_Relative_Addresses; 501 502 tr2 = m2 = s2 = f2 = f1 = 0; 503 if (4 == sscanf(arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2)) 504 goto Play_Relative_Addresses; 505 506 tr2 = m2 = s2 = f2 = f1 = 0; 507 if (4 == sscanf(arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1)) 508 goto Play_Relative_Addresses; 509 510 tr2 = m2 = s2 = f2 = f1 = 0; 511 if (3 == sscanf(arg, "%d %d:%d", &tr1, &m1, &s1)) 512 goto Play_Relative_Addresses; 513 514 tr2 = m2 = s2 = f2 = f1 = 0; 515 goto Try_Absolute_Timed_Addresses; 516 517 Play_Relative_Addresses: 518 if (!tr1) 519 tr1 = 1; 520 else if (tr1 > n) 521 tr1 = n; 522 523 if (msf) { 524 tm = toc_buffer[tr1].addr.msf.minute; 525 ts = toc_buffer[tr1].addr.msf.second; 526 tf = toc_buffer[tr1].addr.msf.frame; 527 } else 528 lba2msf(ntohl(toc_buffer[tr1].addr.lba), &tm, &ts, &tf); 529 if ((m1 > tm) || ((m1 == tm) && ((s1 > ts) || ((s1 == ts) && 530 (f1 > tf))))) { 531 printf("Track %d is not that long.\n", tr1); 532 return (0); 533 } 534 tr1--; 535 536 f1 += tf; 537 if (f1 >= 75) { 538 s1 += f1 / 75; 539 f1 %= 75; 540 } 541 s1 += ts; 542 if (s1 >= 60) { 543 m1 += s1 / 60; 544 s1 %= 60; 545 } 546 m1 += tm; 547 548 if (!tr2) { 549 if (m2 || s2 || f2) { 550 tr2 = tr1; 551 f2 += f1; 552 if (f2 >= 75) { 553 s2 += f2 / 75; 554 f2 %= 75; 555 } 556 s2 += s1; 557 if (s2 > 60) { 558 m2 += s2 / 60; 559 s2 %= 60; 560 } 561 m2 += m1; 562 } else { 563 tr2 = n; 564 if (msf) { 565 m2 = toc_buffer[n].addr.msf.minute; 566 s2 = toc_buffer[n].addr.msf.second; 567 f2 = toc_buffer[n].addr.msf.frame; 568 } else { 569 lba2msf(ntohl(toc_buffer[n].addr.lba), 570 &tm, &ts, &tf); 571 m2 = tm; 572 s2 = ts; 573 f2 = tf; 574 } 575 } 576 } else { 577 if (tr2 > n) { 578 tr2 = n; 579 m2 = s2 = f2 = 0; 580 } else { 581 if (m2 || s2 || f2) 582 tr2--; 583 if (msf) { 584 tm = toc_buffer[tr2].addr.msf.minute; 585 ts = toc_buffer[tr2].addr.msf.second; 586 tf = toc_buffer[tr2].addr.msf.frame; 587 } else 588 lba2msf(ntohl(toc_buffer[tr2].addr.lba), 589 &tm, &ts, &tf); 590 f2 += tf; 591 if (f2 >= 75) { 592 s2 += f2 / 75; 593 f2 %= 75; 594 } 595 s2 += ts; 596 if (s2 > 60) { 597 m2 += s2 / 60; 598 s2 %= 60; 599 } 600 m2 += tm; 601 } 602 } 603 604 if (msf) { 605 tm = toc_buffer[n].addr.msf.minute; 606 ts = toc_buffer[n].addr.msf.second; 607 tf = toc_buffer[n].addr.msf.frame; 608 } else 609 lba2msf(ntohl(toc_buffer[n].addr.lba), &tm, &ts, &tf); 610 611 if ((tr2 < n) && ((m2 > tm) || ((m2 == tm) && ((s2 > ts) || 612 ((s2 == ts) && (f2 > tf)))))) { 613 printf("The playing time of the disc is not that long.\n"); 614 return (0); 615 } 616 617 return (play_msf(m1, s1, f1, m2, s2, f2)); 618 619 Try_Absolute_Timed_Addresses: 620 if (6 != sscanf(arg, "%d:%d.%d%d:%d.%d", 621 &m1, &s1, &f1, &m2, &s2, &f2) && 622 5 != sscanf(arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) && 623 5 != sscanf(arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) && 624 3 != sscanf(arg, "%d:%d.%d", &m1, &s1, &f1) && 625 4 != sscanf(arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) && 626 2 != sscanf(arg, "%d:%d", &m1, &s1)) 627 goto Clean_up; 628 629 if (m2 == 0) { 630 if (msf) { 631 m2 = toc_buffer[n].addr.msf.minute; 632 s2 = toc_buffer[n].addr.msf.second; 633 f2 = toc_buffer[n].addr.msf.frame; 634 } else { 635 lba2msf(ntohl(toc_buffer[n].addr.lba), 636 &tm, &ts, &tf); 637 m2 = tm; 638 s2 = ts; 639 f2 = tf; 640 } 641 } 642 return play_msf(m1, s1, f1, m2, s2, f2); 643 } 644 /* 645 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ] 646 */ 647 if (4 != sscanf(arg, "%d.%d%d.%d", &start, &istart, &end, &iend) && 648 3 != sscanf(arg, "%d.%d%d", &start, &istart, &end) && 649 3 != sscanf(arg, "%d%d.%d", &start, &end, &iend) && 650 2 != sscanf(arg, "%d.%d", &start, &istart) && 651 2 != sscanf(arg, "%d%d", &start, &end) && 652 1 != sscanf(arg, "%d", &start)) 653 goto Clean_up; 654 655 if (end == 0) 656 end = n; 657 return (play_track(start, istart, end, iend)); 658 659 Clean_up: 660 warnx("invalid command arguments"); 661 return (0); 662 } 663 664 char * 665 strstatus(sts) 666 int sts; 667 { 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(arg) 689 char *arg; 690 { 691 struct cd_sub_channel_info data; 692 struct ioc_read_subchannel ss; 693 int rc, trk, m, s, f; 694 struct ioc_vol v; 695 int what = 0; 696 char *p; 697 698 while ((p = strtok(arg, " \t"))) { 699 arg = 0; 700 if (!strncasecmp(p, "audio", strlen(p))) 701 what |= STATUS_AUDIO; 702 else { 703 if (!strncasecmp(p, "media", strlen(p))) 704 what |= STATUS_MEDIA; 705 else { 706 if (!strncasecmp(p, "volume", strlen(p))) 707 what |= STATUS_VOLUME; 708 else { 709 warnx("invalid command arguments"); 710 return 0; 711 } 712 } 713 } 714 } 715 if (!what) 716 what = STATUS_AUDIO | STATUS_MEDIA | STATUS_VOLUME; 717 if (what & STATUS_AUDIO) { 718 rc = status(&trk, &m, &s, &f); 719 if (rc >= 0) { 720 printf("Audio status:\t%s\n", strstatus(rc)); 721 printf("Current track:\t%d\n", trk); 722 printf("Position:\t%d:%02d.%02d\n", m, s, f); 723 } else 724 printf("Audio status:\tno info available\n"); 725 } 726 if (what & STATUS_MEDIA) { 727 bzero(&ss, sizeof(ss)); 728 ss.data = &data; 729 ss.data_len = sizeof(data); 730 ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 731 ss.data_format = CD_MEDIA_CATALOG; 732 rc = ioctl(fd, CDIOCREADSUBCHANNEL, (char *) &ss); 733 if (rc >= 0) { 734 printf("Media catalog:\t%sactive", 735 ss.data->what.media_catalog.mc_valid ? "" : "in"); 736 if (ss.data->what.media_catalog.mc_valid && 737 ss.data->what.media_catalog.mc_number[0]) 738 printf(" (%.15s)", 739 ss.data->what.media_catalog.mc_number); 740 putchar('\n'); 741 } else 742 printf("Media catalog:\tnone\n"); 743 } 744 if (what & STATUS_VOLUME) { 745 rc = ioctl(fd, CDIOCGETVOL, &v); 746 if (rc >= 0) { 747 printf("Left volume:\t%d\n", v.vol[0]); 748 printf("Right volume:\t%d\n", v.vol[1]); 749 } else { 750 printf("Left volume:\tnot available\n"); 751 printf("Right volume:\tnot available\n"); 752 } 753 } 754 return (0); 755 } 756 757 int 758 info(arg) 759 char *arg; 760 { 761 struct ioc_toc_header h; 762 int rc, i, n; 763 764 if ((rc = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 765 warn("getting toc header"); 766 return (rc); 767 } 768 769 n = h.ending_track - h.starting_track + 1; 770 rc = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 771 if (rc < 0) 772 return (rc); 773 774 printf("track start duration block length type\n"); 775 printf("-------------------------------------------------\n"); 776 777 for (i = 0; i < n; i++) { 778 printf("%5d ", toc_buffer[i].track); 779 prtrack(toc_buffer + i, 0); 780 } 781 printf("%5d ", toc_buffer[n].track); 782 prtrack(toc_buffer + n, 1); 783 return (0); 784 } 785 786 void 787 lba2msf(lba, m, s, f) 788 u_long lba; 789 u_char *m; 790 u_char *s; 791 u_char *f; 792 { 793 794 lba += 150; /* block start offset */ 795 lba &= 0xffffff; /* negative lbas use only 24 bits */ 796 *m = lba / (60 * 75); 797 lba %= (60 * 75); 798 *s = lba / 75; 799 *f = lba % 75; 800 } 801 802 u_int 803 msf2lba(m, s, f) 804 u_char m; 805 u_char s; 806 u_char f; 807 { 808 809 return (((m * 60) + s) * 75 + f) - 150; 810 } 811 812 void 813 prtrack(e, lastflag) 814 struct cd_toc_entry *e; 815 int lastflag; 816 { 817 int block, next, len; 818 u_char m, s, f; 819 820 if (msf) { 821 /* Print track start */ 822 printf("%2d:%02d.%02d ", e->addr.msf.minute, 823 e->addr.msf.second, e->addr.msf.frame); 824 825 block = msf2lba(e->addr.msf.minute, e->addr.msf.second, 826 e->addr.msf.frame); 827 } else { 828 block = ntohl(e->addr.lba); 829 lba2msf(block, &m, &s, &f); 830 /* Print track start */ 831 printf("%2d:%02d.%02d ", m, s, f); 832 } 833 if (lastflag) { 834 /* Last track -- print block */ 835 printf(" - %6d - -\n", block); 836 return; 837 } 838 if (msf) 839 next = msf2lba(e[1].addr.msf.minute, e[1].addr.msf.second, 840 e[1].addr.msf.frame); 841 else 842 next = ntohl(e[1].addr.lba); 843 len = next - block; 844 lba2msf(len, &m, &s, &f); 845 846 /* Print duration, block, length, type */ 847 printf("%2d:%02d.%02d %6d %6d %5s\n", m, s, f, block, len, 848 (e->control & 4) ? "data" : "audio"); 849 } 850 851 int 852 play_track(tstart, istart, tend, iend) 853 int tstart, istart, tend, iend; 854 { 855 struct ioc_play_track t; 856 857 t.start_track = tstart; 858 t.start_index = istart; 859 t.end_track = tend; 860 t.end_index = iend; 861 862 return ioctl(fd, CDIOCPLAYTRACKS, &t); 863 } 864 865 int 866 play_blocks(blk, len) 867 int blk, len; 868 { 869 struct ioc_play_blocks t; 870 871 t.blk = blk; 872 t.len = len; 873 874 return ioctl(fd, CDIOCPLAYBLOCKS, &t); 875 } 876 877 int 878 setvol(left, right) 879 int left, right; 880 { 881 struct ioc_vol v; 882 883 v.vol[0] = left; 884 v.vol[1] = right; 885 v.vol[2] = 0; 886 v.vol[3] = 0; 887 888 return ioctl(fd, CDIOCSETVOL, &v); 889 } 890 891 int 892 read_toc_entrys(len) 893 int len; 894 { 895 struct ioc_read_toc_entry t; 896 897 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 898 t.starting_track = 0; 899 t.data_len = len; 900 t.data = toc_buffer; 901 902 return (ioctl(fd, CDIOREADTOCENTRYS, (char *) &t)); 903 } 904 905 int 906 play_msf(start_m, start_s, start_f, end_m, end_s, end_f) 907 int start_m, start_s, start_f, end_m, end_s, end_f; 908 { 909 struct ioc_play_msf a; 910 911 a.start_m = start_m; 912 a.start_s = start_s; 913 a.start_f = start_f; 914 a.end_m = end_m; 915 a.end_s = end_s; 916 a.end_f = end_f; 917 918 return ioctl(fd, CDIOCPLAYMSF, (char *) &a); 919 } 920 921 int 922 status(trk, min, sec, frame) 923 int *trk, *min, *sec, *frame; 924 { 925 struct ioc_read_subchannel s; 926 struct cd_sub_channel_info data; 927 u_char mm, ss, ff; 928 929 bzero(&s, sizeof(s)); 930 s.data = &data; 931 s.data_len = sizeof(data); 932 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 933 s.data_format = CD_CURRENT_POSITION; 934 935 if (ioctl(fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0) 936 return -1; 937 938 *trk = s.data->what.position.track_number; 939 if (msf) { 940 *min = s.data->what.position.reladdr.msf.minute; 941 *sec = s.data->what.position.reladdr.msf.second; 942 *frame = s.data->what.position.reladdr.msf.frame; 943 } else { 944 lba2msf(ntohl(s.data->what.position.reladdr.lba), &mm, &ss, &ff); 945 *min = mm; 946 *sec = ss; 947 *frame = ff; 948 } 949 950 return s.data->header.audio_status; 951 } 952 953 char * 954 input(cmd) 955 int *cmd; 956 { 957 static char buf[80]; 958 char *p; 959 960 do { 961 fprintf(stderr, "cdplay> "); 962 963 if (!fgets(buf, sizeof(buf), stdin)) { 964 *cmd = CMD_QUIT; 965 fprintf(stderr, "\r\n"); 966 return (0); 967 } 968 p = parse(buf, cmd); 969 } while (!p); 970 return (p); 971 } 972 973 char * 974 parse(buf, cmd) 975 char *buf; 976 int *cmd; 977 { 978 struct cmdtab *c; 979 char *p; 980 int len; 981 982 for (p = buf; isspace(*p); p++) 983 continue; 984 985 if (isdigit(*p) || (p[0] == '#' && isdigit(p[1]))) { 986 *cmd = CMD_PLAY; 987 return (p); 988 } 989 for (buf = p; *p && !isspace(*p); p++) 990 continue; 991 992 len = p - buf; 993 if (!len) 994 return (0); 995 996 if (*p) { /* It must be a spacing character! */ 997 char *q; 998 999 *p++ = 0; 1000 for (q = p; *q && *q != '\n' && *q != '\r'; q++) 1001 continue; 1002 *q = 0; 1003 } 1004 *cmd = -1; 1005 for (c = cmdtab; c->name; ++c) { 1006 /* Is it an exact match? */ 1007 if (!strcasecmp(buf, c->name)) { 1008 *cmd = c->command; 1009 break; 1010 } 1011 /* Try short hand forms then... */ 1012 if (len >= c->min && !strncasecmp(buf, c->name, len)) { 1013 if (*cmd != -1 && *cmd != c->command) { 1014 warnx("ambiguous command"); 1015 return (0); 1016 } 1017 *cmd = c->command; 1018 } 1019 } 1020 1021 if (*cmd == -1) { 1022 warnx("invalid command, enter ``help'' for commands"); 1023 return (0); 1024 } 1025 while (isspace(*p)) 1026 p++; 1027 return p; 1028 } 1029 1030 int 1031 open_cd() 1032 { 1033 char devbuf[80]; 1034 size_t len; 1035 1036 if (fd > -1) 1037 return (1); 1038 1039 if (*cdname == '/') 1040 strcpy(devbuf, cdname); 1041 else 1042 if (*cdname == 'r') 1043 len = sprintf(devbuf, "/dev/%s", cdname); 1044 else 1045 len = sprintf(devbuf, "/dev/r%s", cdname); 1046 1047 fd = open(devbuf, O_RDONLY); 1048 1049 if (fd < 0 && errno == ENOENT) { 1050 devbuf[len] = 'a' + RAW_PART; 1051 devbuf[len + 1] = '\0'; 1052 fd = open(devbuf, O_RDONLY); 1053 } 1054 if (fd < 0) { 1055 if (errno == ENXIO) { 1056 /* ENXIO has an overloaded meaning here. The original 1057 * "Device not configured" should be interpreted as 1058 * "No disc in drive %s". */ 1059 warnx("no disc in drive %s", devbuf); 1060 return (0); 1061 } 1062 err(1, "%s", devbuf); 1063 } 1064 return (1); 1065 } 1066
Indexes created Tue Sep 30 11:09:46 GMT 2025