cdplay.c revision 1.23
1 /* $NetBSD: cdplay.c,v 1.23 2003/02/19 12:55:58 simonb Exp $ */ 2 3 /* 4 * Copyright (c) 1999, 2000, 2001 Andrew Doran. 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, originally by Serge V. Vakulenko 32 * <vak (at) cronyx.ru>. First appeared in FreeBSD under the guise of 33 * cdcontrol(1). Based on the non-X based CD player by Jean-Marc 34 * Zucconi and Andrey A. Chernov. Fixed and further modified on 35 * by Jukka Ukkonen <jau (at) funet.fi>. Lots of fixes and improvements 36 * made subsequently by The NetBSD Project. 37 * 38 * from FreeBSD: cdcontrol.c,v 1.17.2.1 1999/01/31 15:36:01 billf Exp 39 */ 40 41 #include <sys/cdefs.h> 42 #ifndef lint 43 __RCSID("$NetBSD: cdplay.c,v 1.23 2003/02/19 12:55:58 simonb Exp $"); 44 #endif /* not lint */ 45 46 #include <sys/types.h> 47 48 #include <sys/endian.h> 49 #include <sys/ioctl.h> 50 #include <sys/file.h> 51 #include <sys/cdio.h> 52 53 #include <assert.h> 54 55 #include <ctype.h> 56 #include <err.h> 57 #include <errno.h> 58 #include <histedit.h> 59 #include <limits.h> 60 #include <signal.h> 61 #include <stdio.h> 62 #include <stdlib.h> 63 #include <string.h> 64 #include <unistd.h> 65 #include <util.h> 66 67 enum cmd { 68 CMD_CLOSE, 69 CMD_EJECT, 70 CMD_HELP, 71 CMD_INFO, 72 CMD_NEXT, 73 CMD_PAUSE, 74 CMD_PLAY, 75 CMD_PREV, 76 CMD_QUIT, 77 CMD_RESET, 78 CMD_RESUME, 79 CMD_SET, 80 CMD_SHUFFLE, 81 CMD_SKIP, 82 CMD_STATUS, 83 CMD_STOP, 84 CMD_VOLUME, 85 }; 86 87 struct cmdtab { 88 enum cmd command; 89 const char *name; 90 unsigned int min; 91 const char *args; 92 } const cmdtab[] = { 93 { CMD_HELP, "?", 1, 0 }, 94 { CMD_CLOSE, "close", 1, NULL }, 95 { CMD_EJECT, "eject", 1, NULL }, 96 { CMD_HELP, "help", 1, NULL }, 97 { CMD_INFO, "info", 1, NULL }, 98 { CMD_NEXT, "next", 1, NULL }, 99 { CMD_PAUSE, "pause", 2, NULL }, 100 { CMD_PLAY, "play", 1, "min1:sec1[.fram1] [min2:sec2[.fram2]]" }, 101 { CMD_PLAY, "play", 1, "track1[.index1] [track2[.index2]]" }, 102 { CMD_PLAY, "play", 1, "tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]" }, 103 { CMD_PLAY, "play", 1, "[#block [len]]" }, 104 { CMD_PREV, "prev", 2, NULL }, 105 { CMD_QUIT, "quit", 1, NULL }, 106 { CMD_RESET, "reset", 4, NULL }, 107 { CMD_RESUME, "resume", 4, NULL }, 108 { CMD_SET, "set", 2, "msf | lba" }, 109 { CMD_SHUFFLE, "shuffle", 2, NULL }, 110 { CMD_SKIP, "skip", 2, NULL }, 111 { CMD_STATUS, "status", 3, NULL }, 112 { CMD_STOP, "stop", 3, NULL }, 113 { CMD_VOLUME, "volume", 1, "<l> <r>|left|right|mute|mono|stereo" }, 114 }; 115 116 #define CD_MAX_TRACK 99 /* largest 2 digit BCD number */ 117 118 struct cd_toc_entry toc_buffer[CD_MAX_TRACK + 1]; 119 120 const char *cdname; 121 int fd = -1; 122 int msf = 1; 123 int shuffle; 124 int interactive = 1; 125 struct itimerval itv_timer; 126 127 History *hist; 128 HistEvent he; 129 EditLine *elptr; 130 131 int get_vol(int *, int *); 132 int get_status(int *, int *, int *, int *, int *); 133 void help(void); 134 int info(const char *); 135 void lba2msf(u_long, u_int *, u_int *, u_int *); 136 int main(int, char **); 137 u_int msf2lba(u_int, u_int, u_int); 138 int opencd(void); 139 const char *parse(char *, int *); 140 int play(const char *, int); 141 int play_blocks(int, int); 142 int play_msf(int, int, int, int, int, int); 143 int play_track(int, int, int, int); 144 int print_status(const char *); 145 void print_track(struct cd_toc_entry *); 146 const char *prompt(void); 147 int read_toc_entrys(int); 148 int run(int, const char *); 149 int setvol(int, int); 150 void sig_timer(int, int, struct sigcontext *); 151 int skip(int, int); 152 const char *strstatus(int); 153 void usage(void); 154 155 void toc2msf(u_int, u_int *, u_int *, u_int *); 156 int toc2lba(u_int); 157 void addmsf(u_int *, u_int *, u_int *, u_int, u_int, u_int); 158 159 int 160 main(int argc, char **argv) 161 { 162 const char *arg; 163 char buf[80], *p; 164 static char defdev[16]; 165 int cmd, len, c; 166 char *line; 167 const char *elline; 168 int scratch, rv; 169 struct sigaction sa_timer; 170 171 cdname = getenv("MUSIC_CD"); 172 if (cdname == NULL) 173 cdname = getenv("CD_DRIVE"); 174 if (cdname == NULL) 175 cdname = getenv("DISC"); 176 if (cdname == NULL) 177 cdname = getenv("CDPLAY"); 178 179 while ((c = getopt(argc, argv, "f:h")) != -1) 180 switch (c) { 181 case 'f': 182 cdname = optarg; 183 continue; 184 case 'h': 185 default: 186 usage(); 187 /* NOTREACHED */ 188 } 189 argc -= optind; 190 argv += optind; 191 192 if (argc > 0 && strcasecmp(*argv, "help") == 0) 193 usage(); 194 195 if (cdname == NULL) { 196 sprintf(defdev, "cd0%c", 'a' + getrawpartition()); 197 cdname = defdev; 198 } 199 200 opencd(); 201 srandom(time(NULL)); 202 203 if (argc > 0) { 204 interactive = 0; 205 for (p = buf; argc-- > 0; argv++) { 206 len = strlen(*argv); 207 208 if (p + len >= buf + sizeof(buf) - 1) 209 usage(); 210 if (p > buf) 211 *p++ = ' '; 212 213 strcpy(p, *argv); 214 p += len; 215 } 216 *p = '\0'; 217 arg = parse(buf, &cmd); 218 return (run(cmd, arg)); 219 } 220 221 printf("Type `?' for command list\n\n"); 222 223 hist = history_init(); 224 history(hist, &he, H_SETSIZE, 100); /* 100 elt history buffer */ 225 elptr = el_init(getprogname(), stdin, stdout, stderr); 226 el_set(elptr, EL_EDITOR, "emacs"); 227 el_set(elptr, EL_PROMPT, prompt); 228 el_set(elptr, EL_HIST, history, hist); 229 el_source(elptr, NULL); 230 231 sigemptyset(&sa_timer.sa_mask); 232 sa_timer.sa_handler = (void (*)(int))sig_timer; 233 sa_timer.sa_flags = SA_RESTART; 234 if ((rv = sigaction(SIGALRM, &sa_timer, NULL)) < 0) 235 err(EXIT_FAILURE, "sigaction()"); 236 237 for (;;) { 238 line = NULL; 239 do { 240 if (((elline = el_gets(elptr, &scratch)) != NULL) 241 && (scratch != 0)){ 242 history(hist, &he, H_ENTER, elline); 243 line = strdup(elline); 244 arg = parse(line, &cmd); 245 } else { 246 cmd = CMD_QUIT; 247 fprintf(stderr, "\r\n"); 248 arg = 0; 249 break; 250 } 251 } while (arg == NULL); 252 253 if (run(cmd, arg) < 0) { 254 if (fd != -1) 255 close(fd); 256 fd = -1; 257 } 258 fflush(stdout); 259 if (line != NULL) 260 free(line); 261 } 262 263 el_end(elptr); 264 history_end(hist); 265 exit(EXIT_SUCCESS); 266 /* NOTREACHED */ 267 } 268 269 void 270 usage(void) 271 { 272 273 fprintf(stderr, "usage: cdplay [-f device] [command ...]\n"); 274 exit(EXIT_FAILURE); 275 /* NOTREACHED */ 276 } 277 278 void 279 help(void) 280 { 281 const struct cmdtab *c, *mc; 282 const char *s; 283 int i, n; 284 285 mc = cmdtab + sizeof(cmdtab) / sizeof(cmdtab[0]); 286 for (c = cmdtab; c < mc; c++) { 287 for (i = c->min, s = c->name; *s != '\0'; s++, i--) { 288 n = (i > 0 ? toupper(*s) : *s); 289 putchar(n); 290 } 291 if (c->args != NULL) 292 printf(" %s", c->args); 293 putchar('\n'); 294 } 295 printf( 296 "\nThe word \"play\" is not required for the play commands.\n" 297 "The plain target address is taken as a synonym for play.\n"); 298 } 299 300 int 301 run(int cmd, const char *arg) 302 { 303 int l, r, rv; 304 305 if (cmd == CMD_QUIT) { 306 close(fd); 307 exit(EXIT_SUCCESS); 308 /* NOTREACHED */ 309 } 310 311 if (fd < 0 && !opencd()) 312 return (0); 313 314 switch (cmd) { 315 case CMD_INFO: 316 rv = info(arg); 317 break; 318 319 case CMD_STATUS: 320 rv = print_status(arg); 321 break; 322 323 case CMD_PAUSE: 324 if ((rv = ioctl(fd, CDIOCPAUSE)) < 0) 325 warn("ioctl(CDIOCPAUSE)"); 326 break; 327 328 case CMD_RESUME: 329 if ((rv = ioctl(fd, CDIOCRESUME)) < 0) 330 warn("ioctl(CDIOCRESUME)"); 331 break; 332 333 case CMD_STOP: 334 if ((rv = ioctl(fd, CDIOCSTOP)) < 0) 335 warn("ioctl(CDIOCSTOP)"); 336 if (ioctl(fd, CDIOCALLOW) < 0) 337 warn("ioctl(CDIOCALLOW)"); 338 break; 339 340 case CMD_RESET: 341 if ((rv = ioctl(fd, CDIOCRESET)) >= 0) { 342 close(fd); 343 fd = -1; 344 } else 345 warn("ioctl(CDIOCRESET)"); 346 return (0); 347 348 case CMD_EJECT: 349 if (shuffle) 350 run(CMD_SHUFFLE, NULL); 351 if (ioctl(fd, CDIOCALLOW) < 0) 352 warn("ioctl(CDIOCALLOW)"); 353 if ((rv = ioctl(fd, CDIOCEJECT)) < 0) 354 warn("ioctl(CDIOCEJECT)"); 355 break; 356 357 case CMD_CLOSE: 358 ioctl(fd, CDIOCALLOW); 359 if ((rv = ioctl(fd, CDIOCCLOSE)) >= 0) { 360 close(fd); 361 fd = -1; 362 } else 363 warn("ioctl(CDIOCCLOSE)"); 364 break; 365 366 case CMD_PLAY: 367 while (isspace(*arg)) 368 arg++; 369 rv = play(arg, 1); 370 break; 371 372 case CMD_PREV: 373 rv = skip(-1, 1); 374 break; 375 376 case CMD_NEXT: 377 rv = skip(1, 1); 378 break; 379 380 case CMD_SHUFFLE: 381 if (interactive == 0) 382 errx(EXIT_FAILURE, 383 "`shuffle' valid only in interactive mode"); 384 if (shuffle == 0) { 385 itv_timer.it_interval.tv_sec = 1; 386 itv_timer.it_interval.tv_usec = 0; 387 itv_timer.it_value.tv_sec = 1; 388 itv_timer.it_value.tv_usec = 0; 389 if (setitimer(ITIMER_REAL, &itv_timer, NULL) == 0) { 390 shuffle = 1; 391 skip(0, 1); 392 } 393 } else { 394 itv_timer.it_interval.tv_sec = 0; 395 itv_timer.it_interval.tv_usec = 0; 396 itv_timer.it_value.tv_sec = 0; 397 itv_timer.it_value.tv_usec = 0; 398 if (setitimer(ITIMER_REAL, &itv_timer, NULL) == 0) 399 shuffle = 0; 400 } 401 printf("shuffle play:\t%s\n", shuffle ? "on" : "off"); 402 rv = 0; 403 break; 404 405 case CMD_SKIP: 406 if (!interactive) 407 errx(EXIT_FAILURE, 408 "`skip' valid only in interactive mode"); 409 if (!shuffle) 410 warnx("`skip' valid only in shuffle mode"); 411 else 412 skip(0, 1); 413 break; 414 415 case CMD_SET: 416 if (strcasecmp(arg, "msf") == 0) 417 msf = 1; 418 else if (strcasecmp(arg, "lba") == 0) 419 msf = 0; 420 else 421 warnx("invalid command arguments"); 422 break; 423 424 case CMD_VOLUME: 425 if (strncasecmp(arg, "left", strlen(arg)) == 0) 426 rv = ioctl(fd, CDIOCSETLEFT); 427 else if (strncasecmp(arg, "right", strlen(arg)) == 0) 428 rv = ioctl(fd, CDIOCSETRIGHT); 429 else if (strncasecmp(arg, "mono", strlen(arg)) == 0) 430 rv = ioctl(fd, CDIOCSETMONO); 431 else if (strncasecmp(arg, "stereo", strlen(arg)) == 0) 432 rv = ioctl(fd, CDIOCSETSTEREO); 433 else if (strncasecmp(arg, "mute", strlen(arg)) == 0) 434 rv = ioctl(fd, CDIOCSETMUTE); 435 else { 436 rv = 0; 437 if (sscanf(arg, "%d %d", &l, &r) != 2) { 438 if (sscanf(arg, "%d", &l) == 1) 439 r = l; 440 else { 441 warnx("invalid command arguments"); 442 break; 443 } 444 } 445 rv = setvol(l, r); 446 } 447 break; 448 449 case CMD_HELP: 450 default: 451 help(); 452 rv = 0; 453 break; 454 } 455 456 return (rv); 457 } 458 459 int 460 play(const char *arg, int fromuser) 461 { 462 int rv, n, start, end, istart, iend, blk, len, relend; 463 u_int tr1, tr2, m1, m2, s1, s2, f1, f2, tm, ts, tf; 464 struct ioc_toc_header h; 465 466 if (shuffle && fromuser) { 467 warnx("`play' not valid in shuffle mode"); 468 return (0); 469 } 470 471 if ((rv = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 472 warn("ioctl(CDIOREADTOCHEADER)"); 473 return (rv); 474 } 475 476 end = 0; 477 istart = iend = 1; 478 n = h.ending_track - h.starting_track + 1; 479 rv = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 480 if (rv < 0) 481 return (rv); 482 483 if (arg == NULL || *arg == '\0') { 484 /* Play the whole disc */ 485 return (play_track(h.starting_track, 1, h.ending_track, 99)); 486 } 487 488 if (strchr(arg, '#') != NULL) { 489 /* Play block #blk [ len ] */ 490 len = 0; 491 492 if (2 != sscanf(arg, "#%d%d", &blk, &len) && 493 1 != sscanf(arg, "#%d", &blk)) 494 goto Clean_up; 495 496 if (len == 0) { 497 len = toc2lba(n); 498 } 499 return (play_blocks(blk, len)); 500 } 501 502 if (strchr(arg, ':') != NULL) { 503 /* 504 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ] 505 * 506 * Will now also undestand timed addresses relative 507 * to the beginning of a track in the form... 508 * 509 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]] 510 */ 511 relend = 1; 512 tr2 = m2 = s2 = f2 = f1 = 0; 513 if (8 == sscanf(arg, "%d %d:%d.%d %d %d:%d.%d", &tr1, &m1, 514 &s1, &f1, &tr2, &m2, &s2, &f2)) 515 goto Play_Relative_Addresses; 516 517 tr2 = m2 = s2 = f2 = f1 = 0; 518 if (7 == sscanf(arg, "%d %d:%d %d %d:%d.%d", &tr1, &m1, &s1, 519 &tr2, &m2, &s2, &f2)) 520 goto Play_Relative_Addresses; 521 522 tr2 = m2 = s2 = f2 = f1 = 0; 523 if (7 == sscanf(arg, "%d %d:%d.%d %d %d:%d", &tr1, &m1, &s1, 524 &f1, &tr2, &m2, &s2)) 525 goto Play_Relative_Addresses; 526 527 tr2 = m2 = s2 = f2 = f1 = 0; 528 if (7 == sscanf(arg, "%d %d:%d.%d %d:%d.%d", &tr1, &m1, &s1, 529 &f1, &m2, &s2, &f2)) 530 goto Play_Relative_Addresses; 531 532 tr2 = m2 = s2 = f2 = f1 = 0; 533 if (6 == sscanf(arg, "%d %d:%d.%d %d:%d", &tr1, &m1, &s1, &f1, 534 &m2, &s2)) 535 goto Play_Relative_Addresses; 536 537 tr2 = m2 = s2 = f2 = f1 = 0; 538 if (6 == sscanf(arg, "%d %d:%d %d:%d.%d", &tr1, &m1, &s1, &m2, 539 &s2, &f2)) 540 goto Play_Relative_Addresses; 541 542 tr2 = m2 = s2 = f2 = f1 = 0; 543 if (6 == sscanf(arg, "%d %d:%d.%d %d %d", &tr1, &m1, &s1, &f1, 544 &tr2, &m2)) 545 goto Play_Relative_Addresses; 546 547 tr2 = m2 = s2 = f2 = f1 = 0; 548 if (6 == sscanf(arg, "%d %d:%d %d %d:%d", &tr1, &m1, &s1, &tr2, 549 &m2, &s2)) 550 goto Play_Relative_Addresses; 551 552 tr2 = m2 = s2 = f2 = f1 = 0; 553 if (5 == sscanf(arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, 554 &s2)) 555 goto Play_Relative_Addresses; 556 557 tr2 = m2 = s2 = f2 = f1 = 0; 558 if (5 == sscanf(arg, "%d %d:%d %d %d", &tr1, &m1, &s1, &tr2, 559 &m2)) 560 goto Play_Relative_Addresses; 561 562 relend=0; 563 tr2 = m2 = s2 = f2 = f1 = 0; 564 if (5 == sscanf(arg, "%d %d:%d.%d %d", &tr1, &m1, &s1, &f1, 565 &tr2)) 566 goto Play_Relative_Addresses; 567 568 tr2 = m2 = s2 = f2 = f1 = 0; 569 if (4 == sscanf(arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2)) 570 goto Play_Relative_Addresses; 571 572 tr2 = m2 = s2 = f2 = f1 = 0; 573 if (4 == sscanf(arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1)) 574 goto Play_Relative_Addresses; 575 576 tr2 = m2 = s2 = f2 = f1 = 0; 577 if (3 == sscanf(arg, "%d %d:%d", &tr1, &m1, &s1)) 578 goto Play_Relative_Addresses; 579 580 tr2 = m2 = s2 = f2 = f1 = 0; 581 goto Try_Absolute_Timed_Addresses; 582 583 Play_Relative_Addresses: 584 if (!tr1) 585 tr1 = 1; 586 else if (tr1 > n) 587 tr1 = n; 588 589 toc2msf(tr1-1, &tm, &ts, &tf); 590 addmsf(&m1, &s1, &f1, tm, ts, tf); 591 592 toc2msf(tr1, &tm, &ts, &tf); 593 594 if ((m1 > tm) || ((m1 == tm) && ((s1 > ts) || ((s1 == ts) && 595 (f1 > tf))))) { 596 warnx("Track %d is not that long.", tr1); 597 return (0); 598 } 599 tr1--; /* XXXXX ???? */ 600 601 602 if (!tr2) { 603 if (relend) { 604 tr2 = tr1; 605 606 addmsf(&m2, &s2, &f2, m1, s1, f1); 607 } else { 608 tr2 = n; 609 610 toc2msf(n, &m2, &s2, &f2); 611 } 612 } else { 613 if (tr2 > n) { 614 tr2 = n; 615 m2 = s2 = f2 = 0; 616 } else { 617 if (relend) 618 tr2--; 619 620 toc2msf(tr2, &tm, &ts, &tf); 621 addmsf(&m2, &s2, &f2, tm, ts, tf); 622 } 623 } 624 625 toc2msf(n, &tm, &ts, &tf); 626 627 if ((tr2 < n) && ((m2 > tm) || ((m2 == tm) && ((s2 > ts) || 628 ((s2 == ts) && (f2 > tf)))))) { 629 warnx("The playing time of the disc is not that long."); 630 return (0); 631 } 632 633 return (play_msf(m1, s1, f1, m2, s2, f2)); 634 635 Try_Absolute_Timed_Addresses: 636 m2 = UINT_MAX; 637 638 if (6 != sscanf(arg, "%d:%d.%d%d:%d.%d", 639 &m1, &s1, &f1, &m2, &s2, &f2) && 640 5 != sscanf(arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) && 641 5 != sscanf(arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) && 642 3 != sscanf(arg, "%d:%d.%d", &m1, &s1, &f1) && 643 4 != sscanf(arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) && 644 2 != sscanf(arg, "%d:%d", &m1, &s1)) 645 goto Clean_up; 646 647 if (m2 == UINT_MAX) { 648 if (msf) { 649 m2 = toc_buffer[n].addr.msf.minute; 650 s2 = toc_buffer[n].addr.msf.second; 651 f2 = toc_buffer[n].addr.msf.frame; 652 } else { 653 lba2msf(be32toh(toc_buffer[n].addr.lba), 654 &tm, &ts, &tf); 655 m2 = tm; 656 s2 = ts; 657 f2 = tf; 658 } 659 } 660 return (play_msf(m1, s1, f1, m2, s2, f2)); 661 } 662 663 /* 664 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ] 665 */ 666 if (4 != sscanf(arg, "%d.%d%d.%d", &start, &istart, &end, &iend) && 667 3 != sscanf(arg, "%d.%d%d", &start, &istart, &end) && 668 3 != sscanf(arg, "%d%d.%d", &start, &end, &iend) && 669 2 != sscanf(arg, "%d.%d", &start, &istart) && 670 2 != sscanf(arg, "%d%d", &start, &end) && 671 1 != sscanf(arg, "%d", &start)) 672 goto Clean_up; 673 674 if (end == 0) 675 end = n; 676 return (play_track(start, istart, end, iend)); 677 678 Clean_up: 679 warnx("invalid command arguments"); 680 return (0); 681 } 682 683 void 684 sig_timer(int sig, int code, struct sigcontext *scp) 685 { 686 sigset_t anymore; 687 688 sigpending(&anymore); 689 if (sigismember(&anymore, SIGALRM)) 690 return; 691 setitimer(ITIMER_REAL, &itv_timer, NULL); 692 if (fd != -1) 693 skip(0, 0); 694 } 695 696 int 697 skip(int dir, int fromuser) 698 { 699 char str[16]; 700 int rv, trk, idx, m, s, f; 701 struct ioc_toc_header h; 702 703 if ((rv = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 704 warn("ioctl(CDIOREADTOCHEADER)"); 705 return (rv); 706 } 707 if ((rv = get_status(&trk, &idx, &m, &s, &f)) < 0) 708 return (rv); 709 710 if (dir == 0) { 711 if (fromuser || (rv != CD_AS_PLAY_IN_PROGRESS && 712 rv != CD_AS_PLAY_PAUSED)) 713 trk = h.starting_track + 714 random() % (h.ending_track - h.starting_track + 1); 715 else 716 return (0); 717 } else { 718 trk += dir; 719 if (trk > h.ending_track) 720 trk = h.starting_track; 721 else if(trk < h.starting_track) 722 trk = h.ending_track; 723 } 724 725 if (shuffle) 726 sprintf(str, "%d %d", trk, trk); 727 else 728 sprintf(str, "%d", trk); 729 730 return (play(str, 0)); 731 } 732 733 const char * 734 strstatus(int sts) 735 { 736 const char *str; 737 738 switch (sts) { 739 case CD_AS_AUDIO_INVALID: 740 str = "invalid"; 741 break; 742 case CD_AS_PLAY_IN_PROGRESS: 743 str = "playing"; 744 break; 745 case CD_AS_PLAY_PAUSED: 746 str = "paused"; 747 break; 748 case CD_AS_PLAY_COMPLETED: 749 str = "completed"; 750 break; 751 case CD_AS_PLAY_ERROR: 752 str = "error"; 753 break; 754 case CD_AS_NO_STATUS: 755 str = "not playing"; 756 break; 757 default: 758 str = "<unknown>"; 759 break; 760 } 761 762 return (str); 763 } 764 765 int 766 print_status(const char *arg) 767 { 768 struct cd_sub_channel_info data; 769 struct ioc_read_subchannel ss; 770 int rv, trk, idx, m, s, f; 771 struct ioc_vol v; 772 773 if ((rv = get_status(&trk, &idx, &m, &s, &f)) >= 0) { 774 printf("audio status:\t%s\n", strstatus(rv)); 775 printf("current track:\t%d\n", trk); 776 printf("current index:\t%d\n", idx); 777 printf("position:\t%d:%02d.%02d\n", m, s, f); 778 } else 779 printf("audio status:\tno info available\n"); 780 781 printf("shuffle play:\t%s\n", shuffle ? "on" : "off"); 782 783 bzero(&ss, sizeof(ss)); 784 ss.data = &data; 785 ss.data_len = sizeof(data); 786 ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 787 ss.data_format = CD_MEDIA_CATALOG; 788 789 if (ioctl(fd, CDIOCREADSUBCHANNEL, (char *)&ss) >= 0) { 790 printf("media catalog:\t%sactive", 791 ss.data->what.media_catalog.mc_valid ? "" : "in"); 792 if (ss.data->what.media_catalog.mc_valid && 793 ss.data->what.media_catalog.mc_number[0]) 794 printf(" (%.15s)", 795 ss.data->what.media_catalog.mc_number); 796 putchar('\n'); 797 } else 798 printf("media catalog:\tnone\n"); 799 800 if (ioctl(fd, CDIOCGETVOL, &v) >= 0) { 801 printf("left volume:\t%d\n", v.vol[0]); 802 printf("right volume:\t%d\n", v.vol[1]); 803 } else { 804 printf("left volume:\tnot available\n"); 805 printf("right volume:\tnot available\n"); 806 } 807 808 ; return (0); 809 } 810 811 int 812 info(const char *arg) 813 { 814 struct ioc_toc_header h; 815 int rc, i, n; 816 817 if ((rc = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 818 warn("ioctl(CDIOREADTOCHEADER)"); 819 return (rc); 820 } 821 822 n = h.ending_track - h.starting_track + 1; 823 rc = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 824 if (rc < 0) 825 return (rc); 826 827 printf("track start duration block length type\n"); 828 printf("--------------------------------------------------\n"); 829 830 for (i = 0; i < n; i++) { 831 printf("%5d ", toc_buffer[i].track); 832 print_track(toc_buffer + i); 833 } 834 printf(" - ", toc_buffer[n].track); /* Lead-out area */ 835 print_track(toc_buffer + n); 836 return (0); 837 } 838 839 void 840 lba2msf(u_long lba, u_int *m, u_int *s, u_int *f) 841 { 842 843 lba += 150; /* block start offset */ 844 lba &= 0xffffff; /* negative lbas use only 24 bits */ 845 *m = lba / (60 * 75); 846 lba %= (60 * 75); 847 *s = lba / 75; 848 *f = lba % 75; 849 } 850 851 u_int 852 msf2lba(u_int m, u_int s, u_int f) 853 { 854 855 return (((m * 60) + s) * 75 + f) - 150; 856 } 857 858 void 859 print_track(struct cd_toc_entry *e) 860 { 861 int block, next, len; 862 u_int m, s, f; 863 864 if (msf) { 865 /* Print track start */ 866 printf("%2d:%02d.%02d ", e->addr.msf.minute, 867 e->addr.msf.second, e->addr.msf.frame); 868 869 block = msf2lba(e->addr.msf.minute, e->addr.msf.second, 870 e->addr.msf.frame); 871 } else { 872 block = e->addr.lba; 873 lba2msf(block, &m, &s, &f); 874 /* Print track start */ 875 printf("%2d:%02d.%02d ", m, s, f); 876 } 877 if (e->track > CD_MAX_TRACK) { 878 /* lead-out area -- print block */ 879 printf(" - %6d - lead-out\n", block); 880 return; 881 } 882 if (msf) 883 next = msf2lba(e[1].addr.msf.minute, e[1].addr.msf.second, 884 e[1].addr.msf.frame); 885 else 886 next = e[1].addr.lba; 887 len = next - block; 888 lba2msf(len, &m, &s, &f); 889 890 /* Print duration, block, length, type */ 891 printf("%2d:%02d.%02d %6d %6d %8s\n", m, s, f, block, len, 892 (e->control & 4) ? "data" : "audio"); 893 } 894 895 int 896 play_track(int tstart, int istart, int tend, int iend) 897 { 898 struct ioc_play_track t; 899 int rv; 900 901 t.start_track = tstart; 902 t.start_index = istart; 903 t.end_track = tend; 904 t.end_index = iend; 905 906 if ((rv = ioctl(fd, CDIOCPLAYTRACKS, &t)) < 0) 907 warn("ioctl(CDIOCPLAYTRACKS)"); 908 return (rv); 909 } 910 911 int 912 play_blocks(int blk, int len) 913 { 914 struct ioc_play_blocks t; 915 int rv; 916 917 t.blk = blk; 918 t.len = len; 919 920 if ((rv = ioctl(fd, CDIOCPLAYBLOCKS, &t)) < 0) 921 warn("ioctl(CDIOCPLAYBLOCKS"); 922 return (rv); 923 } 924 925 int 926 setvol(int left, int right) 927 { 928 struct ioc_vol v; 929 int rv; 930 931 v.vol[0] = left; 932 v.vol[1] = right; 933 v.vol[2] = 0; 934 v.vol[3] = 0; 935 936 if ((rv = ioctl(fd, CDIOCSETVOL, &v)) < 0) 937 warn("ioctl(CDIOCSETVOL)"); 938 return (rv); 939 } 940 941 int 942 read_toc_entrys(int len) 943 { 944 struct ioc_read_toc_entry t; 945 int rv; 946 947 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 948 t.starting_track = 0; 949 t.data_len = len; 950 t.data = toc_buffer; 951 952 if ((rv = ioctl(fd, CDIOREADTOCENTRYS, &t)) < 0) 953 warn("ioctl(CDIOREADTOCENTRYS)"); 954 return (rv); 955 } 956 957 int 958 play_msf(int start_m, int start_s, int start_f, int end_m, int end_s, 959 int end_f) 960 { 961 struct ioc_play_msf a; 962 int rv; 963 964 a.start_m = start_m; 965 a.start_s = start_s; 966 a.start_f = start_f; 967 a.end_m = end_m; 968 a.end_s = end_s; 969 a.end_f = end_f; 970 971 if ((rv = ioctl(fd, CDIOCPLAYMSF, &a)) < 0) 972 warn("ioctl(CDIOREADTOCENTRYS)"); 973 return (rv); 974 } 975 976 int 977 get_status(int *trk, int *idx, int *min, int *sec, int *frame) 978 { 979 struct ioc_read_subchannel s; 980 struct cd_sub_channel_info data; 981 u_int mm, ss, ff; 982 int rv; 983 984 bzero(&s, sizeof(s)); 985 s.data = &data; 986 s.data_len = sizeof(data); 987 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 988 s.data_format = CD_CURRENT_POSITION; 989 990 if ((rv = ioctl(fd, CDIOCREADSUBCHANNEL, &s)) < 0) { 991 warn("ioctl(CDIOCREADSUBCHANNEL)"); 992 return (rv); 993 } 994 995 *trk = s.data->what.position.track_number; 996 *idx = s.data->what.position.index_number; 997 if (msf) { 998 *min = s.data->what.position.reladdr.msf.minute; 999 *sec = s.data->what.position.reladdr.msf.second; 1000 *frame = s.data->what.position.reladdr.msf.frame; 1001 } else { 1002 lba2msf(be32toh(s.data->what.position.reladdr.lba), &mm, 1003 &ss, &ff); 1004 *min = mm; 1005 *sec = ss; 1006 *frame = ff; 1007 } 1008 1009 return (s.data->header.audio_status); 1010 } 1011 1012 const char * 1013 prompt(void) 1014 { 1015 1016 return ("cdplay> "); 1017 } 1018 1019 const char * 1020 parse(char *buf, int *cmd) 1021 { 1022 const struct cmdtab *c, *mc; 1023 char *p, *q; 1024 int len; 1025 1026 for (p = buf; isspace(*p); p++) 1027 continue; 1028 1029 if (isdigit(*p) || (p[0] == '#' && isdigit(p[1]))) { 1030 *cmd = CMD_PLAY; 1031 return (p); 1032 } 1033 1034 for (buf = p; *p != '\0' && !isspace(*p); p++) 1035 continue; 1036 1037 if ((len = p - buf) == 0) 1038 return (0); 1039 1040 if (*p != '\0') { /* It must be a spacing character! */ 1041 *p++ = 0; 1042 for (q = p; *q != '\0' && *q != '\n' && *q != '\r'; q++) 1043 continue; 1044 *q = 0; 1045 } 1046 1047 *cmd = -1; 1048 1049 mc = cmdtab + sizeof(cmdtab) / sizeof(cmdtab[0]); 1050 for (c = cmdtab; c < mc; c++) { 1051 /* Is it an exact match? */ 1052 if (strcasecmp(buf, c->name) == 0) { 1053 *cmd = c->command; 1054 break; 1055 } 1056 /* Try short hand forms then... */ 1057 if (len >= c->min && strncasecmp(buf, c->name, len) == 0) { 1058 if (*cmd != -1 && *cmd != c->command) { 1059 warnx("ambiguous command"); 1060 return (0); 1061 } 1062 *cmd = c->command; 1063 } 1064 } 1065 1066 if (*cmd == -1) { 1067 warnx("invalid command, enter ``help'' for commands"); 1068 return (0); 1069 } 1070 1071 while (isspace(*p)) 1072 p++; 1073 return (p); 1074 } 1075 1076 int 1077 opencd(void) 1078 { 1079 char devbuf[80]; 1080 1081 if (fd > -1) 1082 return (1); 1083 1084 fd = opendisk(cdname, O_RDONLY, devbuf, sizeof(devbuf), 0); 1085 if (fd < 0) { 1086 if (errno == ENXIO) { 1087 /* 1088 * ENXIO has an overloaded meaning here. The 1089 * original "Device not configured" should be 1090 * interpreted as "No disc in drive %s". 1091 */ 1092 warnx("no disc in drive %s", devbuf); 1093 return (0); 1094 } 1095 err(EXIT_FAILURE, "%s", devbuf); 1096 } 1097 1098 return (1); 1099 } 1100 1101 void 1102 toc2msf(u_int i, u_int *m, u_int *s, u_int *f) 1103 { 1104 struct cd_toc_entry *ctep; 1105 1106 assert(i >= 0); 1107 assert(i <= CD_MAX_TRACK); 1108 1109 ctep = &toc_buffer[i]; 1110 1111 if (msf) { 1112 *m = ctep->addr.msf.minute; 1113 *s = ctep->addr.msf.second; 1114 *f = ctep->addr.msf.frame; 1115 } else { 1116 lba2msf(be32toh(ctep->addr.lba), m, s, f); 1117 } 1118 } 1119 1120 int 1121 toc2lba(u_int i) 1122 { 1123 struct cd_toc_entry *ctep; 1124 1125 assert(i > 0); 1126 assert(i <= CD_MAX_TRACK); 1127 1128 ctep = &toc_buffer[i-1]; 1129 1130 if (msf) { 1131 return msf2lba( 1132 ctep->addr.msf.minute, 1133 ctep->addr.msf.second, 1134 ctep->addr.msf.frame); 1135 } else { 1136 return be32toh(ctep->addr.lba); 1137 } 1138 } 1139 1140 void 1141 addmsf(u_int *m, u_int *s, u_int *f, u_int m2, u_int s2, u_int f2) 1142 { 1143 *f += f2; 1144 if (*f > 75) { 1145 *s += *f / 75; 1146 *f %= 75; 1147 } 1148 1149 *s += s2; 1150 if (*s > 60) { 1151 *m += *s / 60; 1152 *s %= 60; 1153 } 1154 1155 *m += m2; 1156 } 1157
Indexes created Wed Oct 01 07:09:59 GMT 2025