cdplay.c revision 1.35
1 /* $NetBSD: cdplay.c,v 1.35 2006/12/14 18:15:16 chuck 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 1.35 2006/12/14 18:15:16 chuck 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 #include <sys/time.h> 53 #include <sys/audioio.h> 54 #include <sys/scsiio.h> 55 56 #include <assert.h> 57 58 #include <ctype.h> 59 #include <err.h> 60 #include <errno.h> 61 #include <histedit.h> 62 #include <limits.h> 63 #include <sched.h> 64 #include <signal.h> 65 #include <stdio.h> 66 #include <stdlib.h> 67 #include <string.h> 68 #include <unistd.h> 69 #include <util.h> 70 71 enum cmd { 72 CMD_CLOSE, 73 CMD_DIGITAL, 74 CMD_EJECT, 75 CMD_HELP, 76 CMD_INFO, 77 CMD_NEXT, 78 CMD_PAUSE, 79 CMD_PLAY, 80 CMD_PREV, 81 CMD_QUIT, 82 CMD_RESET, 83 CMD_RESUME, 84 CMD_SET, 85 CMD_SHUFFLE, 86 CMD_SINGLE, 87 CMD_SKIP, 88 CMD_STATUS, 89 CMD_STOP, 90 CMD_VOLUME, 91 }; 92 93 struct cmdtab { 94 enum cmd command; 95 const char *name; 96 unsigned int min; 97 const char *args; 98 } const cmdtab[] = { 99 { CMD_HELP, "?", 1, 0 }, 100 { CMD_CLOSE, "close", 1, NULL }, 101 { CMD_DIGITAL, "digital", 1, "fpw" }, 102 { CMD_EJECT, "eject", 1, NULL }, 103 { CMD_HELP, "help", 1, NULL }, 104 { CMD_INFO, "info", 1, NULL }, 105 { CMD_NEXT, "next", 1, NULL }, 106 { CMD_PAUSE, "pause", 2, NULL }, 107 { CMD_PLAY, "play", 1, "min1:sec1[.fram1] [min2:sec2[.fram2]]" }, 108 { CMD_PLAY, "play", 1, "track1[.index1] [track2[.index2]]" }, 109 { CMD_PLAY, "play", 1, "tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]" }, 110 { CMD_PLAY, "play", 1, "[#block [len]]" }, 111 { CMD_PREV, "prev", 2, NULL }, 112 { CMD_QUIT, "quit", 1, NULL }, 113 { CMD_RESET, "reset", 4, NULL }, 114 { CMD_RESUME, "resume", 4, NULL }, 115 { CMD_SET, "set", 2, "msf | lba" }, 116 { CMD_SHUFFLE, "shuffle", 2, NULL }, 117 { CMD_SINGLE, "single", 2, "[<track>]" }, 118 { CMD_SKIP, "skip", 2, NULL }, 119 { CMD_STATUS, "status", 3, NULL }, 120 { CMD_STOP, "stop", 3, NULL }, 121 { CMD_VOLUME, "volume", 1, "<l> <r>|left|right|mute|mono|stereo" }, 122 }; 123 124 #define IOCTL_SIMPLE(fd, ctl) \ 125 do { \ 126 if (ioctl((fd), (ctl)) >= 0) { \ 127 close(fd); \ 128 fd = -1; \ 129 } else \ 130 warn("ioctl(" #ctl ")");\ 131 } while (/* CONSTCOND */ 0) 132 133 #define CDDA_SIZE 2352 134 135 #define CD_MAX_TRACK 99 /* largest 2 digit BCD number */ 136 137 struct cd_toc_entry toc_buffer[CD_MAX_TRACK + 1]; 138 139 const char *cdname; 140 int fd = -1; 141 int msf = 1; 142 int shuffle; 143 int interactive = 1; 144 int digital = 0; 145 int tbvalid = 0; 146 struct itimerval itv_timer; 147 struct { 148 const char *auname; 149 u_char *audata, *aubuf; 150 int afd; 151 int fpw; 152 int lba_start, lba_end, lba_current; 153 int lowat, hiwat, readseek, playseek; 154 int playing, changed; 155 int read_errors; 156 } da; 157 158 History *hist; 159 HistEvent he; 160 EditLine *elptr; 161 162 int get_vol(int *, int *); 163 int get_status(int *, int *, int *, int *, int *); 164 void help(void); 165 int info(const char *); 166 void lba2msf(u_long, u_int *, u_int *, u_int *); 167 int main(int, char **); 168 u_int msf2lba(u_int, u_int, u_int); 169 int opencd(void); 170 int openaudio(void); 171 const char *parse(char *, int *); 172 int play(const char *, int); 173 int play_blocks(int, int); 174 int play_digital(int, int); 175 int play_msf(int, int, int, int, int, int); 176 int play_track(int, int, int, int); 177 int print_status(const char *); 178 void print_track(struct cd_toc_entry *); 179 const char *prompt(void); 180 int readaudio(int, int, int, u_char *); 181 int read_toc_entrys(int); 182 int run(int, const char *); 183 int setvol(int, int); 184 void sig_timer(int); 185 int skip(int, int); 186 const char *strstatus(int); 187 void usage(void); 188 189 void toc2msf(u_int, u_int *, u_int *, u_int *); 190 int toc2lba(u_int); 191 void addmsf(u_int *, u_int *, u_int *, u_int, u_int, u_int); 192 193 int 194 main(int argc, char **argv) 195 { 196 const char *arg; 197 char buf[80], *p; 198 static char defdev[16]; 199 int cmd, len, c; 200 char *line; 201 const char *elline; 202 int scratch, rv; 203 struct sigaction sa_timer; 204 205 cdname = getenv("MUSIC_CD"); 206 if (cdname == NULL) 207 cdname = getenv("CD_DRIVE"); 208 if (cdname == NULL) 209 cdname = getenv("DISC"); 210 if (cdname == NULL) 211 cdname = getenv("CDPLAY"); 212 213 da.auname = getenv("AUDIODEV"); 214 if (!da.auname) 215 da.auname = getenv("SPEAKER"); 216 if (!da.auname) 217 da.auname = "/dev/sound"; 218 219 while ((c = getopt(argc, argv, "a:f:h")) != -1) 220 switch (c) { 221 case 'a': 222 da.auname = optarg; 223 continue; 224 case 'f': 225 cdname = optarg; 226 continue; 227 case 'h': 228 default: 229 usage(); 230 /* NOTREACHED */ 231 } 232 argc -= optind; 233 argv += optind; 234 235 if (argc > 0 && strcasecmp(*argv, "help") == 0) 236 usage(); 237 238 if (cdname == NULL) { 239 snprintf(defdev, sizeof(defdev), "cd0%c", 240 'a' + getrawpartition()); 241 cdname = defdev; 242 } 243 244 opencd(); 245 srandom((u_long)time(NULL)); 246 da.afd = -1; 247 248 if (argc > 0) { 249 interactive = 0; 250 for (p = buf; argc-- > 0; argv++) { 251 len = strlen(*argv); 252 253 if (p + len >= buf + sizeof(buf) - 1) 254 usage(); 255 if (p > buf) 256 *p++ = ' '; 257 258 strlcpy(p, *argv, sizeof(buf) - (p - buf)); 259 p += len; 260 } 261 *p = '\0'; 262 arg = parse(buf, &cmd); 263 return (run(cmd, arg)); 264 } 265 266 setbuf(stdout, NULL); 267 printf("Type `?' for command list\n\n"); 268 269 hist = history_init(); 270 history(hist, &he, H_SETSIZE, 100); /* 100 elt history buffer */ 271 elptr = el_init(getprogname(), stdin, stdout, stderr); 272 el_set(elptr, EL_EDITOR, "emacs"); 273 el_set(elptr, EL_PROMPT, prompt); 274 el_set(elptr, EL_HIST, history, hist); 275 el_set(elptr, EL_SIGNAL, 1); 276 el_source(elptr, NULL); 277 278 sigemptyset(&sa_timer.sa_mask); 279 sa_timer.sa_handler = sig_timer; 280 sa_timer.sa_flags = SA_RESTART; 281 if ((rv = sigaction(SIGALRM, &sa_timer, NULL)) < 0) 282 err(EXIT_FAILURE, "sigaction()"); 283 284 for (;;) { 285 line = NULL; 286 do { 287 if (((elline = el_gets(elptr, &scratch)) != NULL) 288 && (scratch != 0)){ 289 history(hist, &he, H_ENTER, elline); 290 line = strdup(elline); 291 arg = parse(line, &cmd); 292 if (line != NULL) 293 free(line); 294 } else { 295 cmd = CMD_QUIT; 296 warnx("\r\n"); 297 arg = 0; 298 break; 299 } 300 } while (arg == NULL); 301 302 if (run(cmd, arg) < 0) { 303 if (fd != -1) 304 close(fd); 305 fd = -1; 306 } 307 } 308 309 el_end(elptr); 310 history_end(hist); 311 exit(EXIT_SUCCESS); 312 /* NOTREACHED */ 313 } 314 315 void 316 usage(void) 317 { 318 319 fprintf(stderr, "usage: cdplay [-a audio_device] [-f cd_device] [command ...]\n"); 320 exit(EXIT_FAILURE); 321 /* NOTREACHED */ 322 } 323 324 void 325 help(void) 326 { 327 const struct cmdtab *c, *mc; 328 const char *s; 329 int i, n; 330 331 mc = cmdtab + sizeof(cmdtab) / sizeof(cmdtab[0]); 332 for (c = cmdtab; c < mc; c++) { 333 for (i = c->min, s = c->name; *s != '\0'; s++, i--) { 334 n = (i > 0 ? toupper((unsigned char)*s) : *s); 335 putchar(n); 336 } 337 if (c->args != NULL) 338 printf(" %s", c->args); 339 putchar('\n'); 340 } 341 printf( 342 "\nThe word \"play\" is not required for the play commands.\n" 343 "The plain target address is taken as a synonym for play.\n"); 344 } 345 346 int 347 run(int cmd, const char *arg) 348 { 349 int l, r, rv; 350 351 rv = 0; 352 if (cmd == CMD_QUIT) { 353 close(fd); 354 exit(EXIT_SUCCESS); 355 /* NOTREACHED */ 356 } 357 358 if (fd < 0 && !opencd()) 359 return (0); 360 361 switch (cmd) { 362 case CMD_INFO: 363 rv = info(arg); 364 break; 365 366 case CMD_STATUS: 367 rv = print_status(arg); 368 break; 369 370 case CMD_PAUSE: 371 if (digital) { 372 da.playing = 0; 373 return (0); 374 } else if ((rv = ioctl(fd, CDIOCPAUSE)) < 0) 375 warn("ioctl(CDIOCPAUSE)"); 376 break; 377 378 case CMD_RESUME: 379 if (digital) { 380 da.playing = 1; 381 return (0); 382 } else if ((rv = ioctl(fd, CDIOCRESUME)) < 0) 383 warn("ioctl(CDIOCRESUME)"); 384 break; 385 386 case CMD_STOP: 387 if (digital) { 388 da.playing = 0; 389 return (0); 390 } else { 391 if ((rv = ioctl(fd, CDIOCSTOP)) < 0) 392 warn("ioctl(CDIOCSTOP)"); 393 if (ioctl(fd, CDIOCALLOW) < 0) 394 warn("ioctl(CDIOCALLOW)"); 395 } 396 break; 397 398 case CMD_RESET: 399 tbvalid = 0; 400 IOCTL_SIMPLE(fd, CDIOCRESET); 401 return (0); 402 403 case CMD_EJECT: 404 tbvalid = 0; 405 if (digital) 406 da.playing = 0; 407 if (shuffle) 408 run(CMD_SHUFFLE, NULL); 409 if (ioctl(fd, CDIOCALLOW) < 0) 410 warn("ioctl(CDIOCALLOW)"); 411 IOCTL_SIMPLE(fd, CDIOCEJECT); 412 break; 413 414 case CMD_CLOSE: 415 ioctl(fd, CDIOCALLOW); 416 IOCTL_SIMPLE(fd, CDIOCCLOSE); 417 if (interactive && fd == -1) 418 opencd(); 419 break; 420 421 case CMD_PLAY: 422 while (isspace((unsigned char)*arg)) 423 arg++; 424 rv = play(arg, 1); 425 break; 426 427 case CMD_PREV: 428 rv = skip(-1, 1); 429 break; 430 431 case CMD_NEXT: 432 rv = skip(1, 1); 433 break; 434 435 case CMD_SINGLE: 436 if (interactive == 0) 437 errx(EXIT_FAILURE, 438 "'single' valid only in interactive mode"); 439 /*FALLTHROUGH*/ 440 case CMD_SHUFFLE: 441 if (interactive == 0) 442 errx(EXIT_FAILURE, 443 "`shuffle' valid only in interactive mode"); 444 if (shuffle == 0) { 445 if (digital == 0) { 446 itv_timer.it_interval.tv_sec = 1; 447 itv_timer.it_interval.tv_usec = 0; 448 itv_timer.it_value.tv_sec = 1; 449 itv_timer.it_value.tv_usec = 0; 450 if (setitimer(ITIMER_REAL, &itv_timer, NULL) == 0) { 451 if (cmd == CMD_SHUFFLE) { 452 shuffle = 1; 453 } else { 454 while (isspace((unsigned char)*arg)) 455 arg++; 456 shuffle = -atoi(arg); 457 } 458 } 459 } else 460 shuffle = cmd == CMD_SINGLE ? -atoi(arg) : 1; 461 /* 462 if (shuffle) 463 rv = skip(0, 1); 464 */ 465 } else { 466 if (digital == 0) { 467 itv_timer.it_interval.tv_sec = 0; 468 itv_timer.it_interval.tv_usec = 0; 469 itv_timer.it_value.tv_sec = 0; 470 itv_timer.it_value.tv_usec = 0; 471 setitimer(ITIMER_REAL, &itv_timer, NULL); 472 } 473 shuffle = 0; 474 } 475 if (shuffle < 0) 476 printf("single track:\t%d\n", -shuffle); 477 else 478 printf("shuffle play:\t%s\n", (shuffle != 0) ? "on" : "off"); 479 rv = 0; 480 break; 481 482 case CMD_DIGITAL: 483 if (digital == 0) { 484 int fpw; 485 486 fpw = atoi(arg); 487 if (fpw > 0) 488 da.fpw = fpw; 489 else 490 da.fpw = 5; 491 da.read_errors = 0; 492 da.aubuf = malloc(da.fpw * CDDA_SIZE); 493 if (da.aubuf == NULL) { 494 warn("Not enough memory for audio buffers"); 495 return (1); 496 } 497 if (da.afd == -1 && !openaudio()) { 498 warn("Cannot open audio device"); 499 return (1); 500 } 501 itv_timer.it_interval.tv_sec = itv_timer.it_value.tv_sec = da.fpw / 75; 502 itv_timer.it_interval.tv_usec = itv_timer.it_value.tv_usec = 503 (da.fpw * 6666) % 1000000; 504 rv = setitimer(ITIMER_REAL, &itv_timer, NULL); 505 if (rv == 0) { 506 digital = 1; 507 } else 508 warnx("setitimer in CMD_DIGITAL"); 509 msf = 0; 510 tbvalid = 0; 511 } else { 512 if (shuffle == 1) 513 itv_timer.it_interval.tv_sec = itv_timer.it_value.tv_sec = 1; 514 else 515 itv_timer.it_interval.tv_sec = itv_timer.it_value.tv_sec = 0; 516 itv_timer.it_interval.tv_usec = itv_timer.it_value.tv_usec = 0; 517 digital = 0; 518 rv = setitimer(ITIMER_REAL, &itv_timer, NULL); 519 free(da.audata); 520 close(da.afd); 521 da.afd = -1; 522 } 523 return (0); 524 525 case CMD_SKIP: 526 if (!interactive) 527 errx(EXIT_FAILURE, 528 "`skip' valid only in interactive mode"); 529 if (!shuffle) 530 warnx("`skip' valid only in shuffle mode"); 531 else 532 skip(0, 1); 533 break; 534 535 case CMD_SET: 536 tbvalid = 0; 537 if (strcasecmp(arg, "msf") == 0) 538 msf = 1; 539 else if (strcasecmp(arg, "lba") == 0) 540 msf = 0; 541 else 542 warnx("invalid command arguments"); 543 break; 544 545 case CMD_VOLUME: 546 if (digital) { 547 rv = 0; 548 warnx("`volume' is ignored while in digital xfer mode"); 549 } else if (strncasecmp(arg, "left", strlen(arg)) == 0) 550 rv = ioctl(fd, CDIOCSETLEFT); 551 else if (strncasecmp(arg, "right", strlen(arg)) == 0) 552 rv = ioctl(fd, CDIOCSETRIGHT); 553 else if (strncasecmp(arg, "mono", strlen(arg)) == 0) 554 rv = ioctl(fd, CDIOCSETMONO); 555 else if (strncasecmp(arg, "stereo", strlen(arg)) == 0) 556 rv = ioctl(fd, CDIOCSETSTEREO); 557 else if (strncasecmp(arg, "mute", strlen(arg)) == 0) 558 rv = ioctl(fd, CDIOCSETMUTE); 559 else { 560 rv = 0; 561 if (sscanf(arg, "%d %d", &l, &r) != 2) { 562 if (sscanf(arg, "%d", &l) == 1) 563 r = l; 564 else { 565 warnx("invalid command arguments"); 566 break; 567 } 568 } 569 rv = setvol(l, r); 570 } 571 break; 572 573 case CMD_HELP: 574 default: 575 help(); 576 rv = 0; 577 break; 578 } 579 580 return (rv); 581 } 582 583 int 584 play(const char *arg, int fromuser) 585 { 586 int rv, n, start, end, istart, iend, blk, len, relend; 587 u_int tr1, tr2, m1, m2, s1, s2, f1, f2, tm, ts, tf; 588 struct ioc_toc_header h; 589 590 if (shuffle && fromuser) { 591 warnx("`play' not valid in shuffle mode"); 592 return (0); 593 } 594 595 if ((rv = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 596 warn("ioctl(CDIOREADTOCHEADER)"); 597 return (rv); 598 } 599 600 end = 0; 601 istart = iend = 1; 602 n = h.ending_track - h.starting_track + 1; 603 rv = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 604 if (rv < 0) 605 return (rv); 606 607 if (arg == NULL || *arg == '\0') { 608 /* Play the whole disc */ 609 return (play_track(h.starting_track, 1, h.ending_track, 99)); 610 } 611 612 if (strchr(arg, '#') != NULL) { 613 /* Play block #blk [ len ] */ 614 len = 0; 615 616 if (2 != sscanf(arg, "#%d%d", &blk, &len) && 617 1 != sscanf(arg, "#%d", &blk)) 618 goto Clean_up; 619 620 if (len == 0) { 621 len = toc2lba(n); 622 } 623 return (play_blocks(blk, len)); 624 } 625 626 if (strchr(arg, ':') != NULL) { 627 /* 628 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ] 629 * 630 * Will now also undestand timed addresses relative 631 * to the beginning of a track in the form... 632 * 633 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]] 634 */ 635 relend = 1; 636 tr2 = m2 = s2 = f2 = f1 = 0; 637 if (8 == sscanf(arg, "%d %d:%d.%d %d %d:%d.%d", &tr1, &m1, 638 &s1, &f1, &tr2, &m2, &s2, &f2)) 639 goto Play_Relative_Addresses; 640 641 tr2 = m2 = s2 = f2 = f1 = 0; 642 if (7 == sscanf(arg, "%d %d:%d %d %d:%d.%d", &tr1, &m1, &s1, 643 &tr2, &m2, &s2, &f2)) 644 goto Play_Relative_Addresses; 645 646 tr2 = m2 = s2 = f2 = f1 = 0; 647 if (7 == sscanf(arg, "%d %d:%d.%d %d %d:%d", &tr1, &m1, &s1, 648 &f1, &tr2, &m2, &s2)) 649 goto Play_Relative_Addresses; 650 651 tr2 = m2 = s2 = f2 = f1 = 0; 652 if (7 == sscanf(arg, "%d %d:%d.%d %d:%d.%d", &tr1, &m1, &s1, 653 &f1, &m2, &s2, &f2)) 654 goto Play_Relative_Addresses; 655 656 tr2 = m2 = s2 = f2 = f1 = 0; 657 if (6 == sscanf(arg, "%d %d:%d.%d %d:%d", &tr1, &m1, &s1, &f1, 658 &m2, &s2)) 659 goto Play_Relative_Addresses; 660 661 tr2 = m2 = s2 = f2 = f1 = 0; 662 if (6 == sscanf(arg, "%d %d:%d %d:%d.%d", &tr1, &m1, &s1, &m2, 663 &s2, &f2)) 664 goto Play_Relative_Addresses; 665 666 tr2 = m2 = s2 = f2 = f1 = 0; 667 if (6 == sscanf(arg, "%d %d:%d.%d %d %d", &tr1, &m1, &s1, &f1, 668 &tr2, &m2)) 669 goto Play_Relative_Addresses; 670 671 tr2 = m2 = s2 = f2 = f1 = 0; 672 if (6 == sscanf(arg, "%d %d:%d %d %d:%d", &tr1, &m1, &s1, &tr2, 673 &m2, &s2)) 674 goto Play_Relative_Addresses; 675 676 tr2 = m2 = s2 = f2 = f1 = 0; 677 if (5 == sscanf(arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, 678 &s2)) 679 goto Play_Relative_Addresses; 680 681 tr2 = m2 = s2 = f2 = f1 = 0; 682 if (5 == sscanf(arg, "%d %d:%d %d %d", &tr1, &m1, &s1, &tr2, 683 &m2)) 684 goto Play_Relative_Addresses; 685 686 relend=0; 687 tr2 = m2 = s2 = f2 = f1 = 0; 688 if (5 == sscanf(arg, "%d %d:%d.%d %d", &tr1, &m1, &s1, &f1, 689 &tr2)) 690 goto Play_Relative_Addresses; 691 692 tr2 = m2 = s2 = f2 = f1 = 0; 693 if (4 == sscanf(arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2)) 694 goto Play_Relative_Addresses; 695 696 tr2 = m2 = s2 = f2 = f1 = 0; 697 if (4 == sscanf(arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1)) 698 goto Play_Relative_Addresses; 699 700 tr2 = m2 = s2 = f2 = f1 = 0; 701 if (3 == sscanf(arg, "%d %d:%d", &tr1, &m1, &s1)) 702 goto Play_Relative_Addresses; 703 704 tr2 = m2 = s2 = f2 = f1 = 0; 705 goto Try_Absolute_Timed_Addresses; 706 707 Play_Relative_Addresses: 708 if (!tr1) 709 tr1 = 1; 710 else if (tr1 > n) 711 tr1 = n; 712 713 toc2msf(tr1-1, &tm, &ts, &tf); 714 addmsf(&m1, &s1, &f1, tm, ts, tf); 715 716 toc2msf(tr1, &tm, &ts, &tf); 717 718 if ((m1 > tm) || ((m1 == tm) && ((s1 > ts) || ((s1 == ts) && 719 (f1 > tf))))) { 720 warnx("Track %d is not that long.", tr1); 721 return (0); 722 } 723 tr1--; /* XXXXX ???? */ 724 725 726 if (!tr2) { 727 if (relend) { 728 tr2 = tr1; 729 730 addmsf(&m2, &s2, &f2, m1, s1, f1); 731 } else { 732 tr2 = n; 733 734 toc2msf(n, &m2, &s2, &f2); 735 } 736 } else { 737 if (tr2 > n) { 738 tr2 = n; 739 m2 = s2 = f2 = 0; 740 } else { 741 if (relend) 742 tr2--; 743 744 toc2msf(tr2, &tm, &ts, &tf); 745 addmsf(&m2, &s2, &f2, tm, ts, tf); 746 } 747 } 748 749 toc2msf(n, &tm, &ts, &tf); 750 751 if ((tr2 < n) && ((m2 > tm) || ((m2 == tm) && ((s2 > ts) || 752 ((s2 == ts) && (f2 > tf)))))) { 753 warnx("The playing time of the disc is not that long."); 754 return (0); 755 } 756 757 return (play_msf(m1, s1, f1, m2, s2, f2)); 758 759 Try_Absolute_Timed_Addresses: 760 m2 = UINT_MAX; 761 762 if (6 != sscanf(arg, "%d:%d.%d%d:%d.%d", 763 &m1, &s1, &f1, &m2, &s2, &f2) && 764 5 != sscanf(arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) && 765 5 != sscanf(arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) && 766 3 != sscanf(arg, "%d:%d.%d", &m1, &s1, &f1) && 767 4 != sscanf(arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) && 768 2 != sscanf(arg, "%d:%d", &m1, &s1)) 769 goto Clean_up; 770 771 if (m2 == UINT_MAX) { 772 if (msf) { 773 m2 = toc_buffer[n].addr.msf.minute; 774 s2 = toc_buffer[n].addr.msf.second; 775 f2 = toc_buffer[n].addr.msf.frame; 776 } else { 777 lba2msf(toc_buffer[n].addr.lba, &tm, &ts, &tf); 778 m2 = tm; 779 s2 = ts; 780 f2 = tf; 781 } 782 } 783 return (play_msf(m1, s1, f1, m2, s2, f2)); 784 } 785 786 /* 787 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ] 788 */ 789 if (4 != sscanf(arg, "%d.%d%d.%d", &start, &istart, &end, &iend) && 790 3 != sscanf(arg, "%d.%d%d", &start, &istart, &end) && 791 3 != sscanf(arg, "%d%d.%d", &start, &end, &iend) && 792 2 != sscanf(arg, "%d.%d", &start, &istart) && 793 2 != sscanf(arg, "%d%d", &start, &end) && 794 1 != sscanf(arg, "%d", &start)) 795 goto Clean_up; 796 797 if (end == 0) 798 end = n; 799 return (play_track(start, istart, end, iend)); 800 801 Clean_up: 802 warnx("invalid command arguments"); 803 return (0); 804 } 805 806 void 807 sig_timer(int sig) 808 { 809 int aulen, auwr, fpw; 810 sigset_t anymore; 811 812 sigpending(&anymore); 813 if (sigismember(&anymore, SIGALRM)) 814 return; 815 if (digital) { 816 if (!da.playing) 817 return; 818 if (da.changed) { 819 da.lba_current = da.lba_start; 820 da.changed = 0; 821 } 822 /* read frames into circular buffer */ 823 fpw = da.lba_end - da.lba_current + 1; 824 if (fpw > da.fpw) 825 fpw = da.fpw; 826 if (fpw > 0) { 827 aulen = readaudio(fd, da.lba_current, fpw, da.aubuf); 828 if (aulen > 0) { 829 auwr = write(da.afd, da.aubuf, aulen); 830 da.lba_current += fpw; 831 } 832 } 833 if (da.lba_current > da.lba_end) 834 da.playing = 0; 835 } 836 if (shuffle) 837 skip(0, 0); 838 sched_yield(); 839 setitimer(ITIMER_REAL, &itv_timer, NULL); 840 } 841 842 int 843 skip(int dir, int fromuser) 844 { 845 char str[16]; 846 int rv, trk, idx, m, s, f; 847 struct ioc_toc_header h; 848 849 if ((rv = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 850 warn("ioctl(CDIOREADTOCHEADER)"); 851 return (rv); 852 } 853 if ((rv = get_status(&trk, &idx, &m, &s, &f)) < 0) 854 return (rv); 855 856 if (dir == 0 || shuffle != 0) { 857 if (fromuser || (rv != CD_AS_PLAY_IN_PROGRESS && 858 rv != CD_AS_PLAY_PAUSED)) 859 trk = shuffle < 0 ? (-shuffle) : (h.starting_track + 860 arc4random() % (h.ending_track - h.starting_track + 1)); 861 else 862 return (0); 863 } else { 864 trk += dir; 865 if (trk > h.ending_track) 866 trk = h.starting_track; 867 else if(trk < h.starting_track) 868 trk = h.ending_track; 869 } 870 871 if (shuffle) 872 snprintf(str, sizeof(str), "%d %d", trk, trk); 873 else 874 snprintf(str, sizeof(str), "%d", trk); 875 876 return (play(str, 0)); 877 } 878 879 const char * 880 strstatus(int sts) 881 { 882 const char *str; 883 884 switch (sts) { 885 case CD_AS_AUDIO_INVALID: 886 str = "invalid"; 887 break; 888 case CD_AS_PLAY_IN_PROGRESS: 889 str = "playing"; 890 break; 891 case CD_AS_PLAY_PAUSED: 892 str = "paused"; 893 break; 894 case CD_AS_PLAY_COMPLETED: 895 str = "completed"; 896 break; 897 case CD_AS_PLAY_ERROR: 898 str = "error"; 899 break; 900 case CD_AS_NO_STATUS: 901 str = "not playing"; 902 break; 903 default: 904 str = "<unknown>"; 905 break; 906 } 907 908 return (str); 909 } 910 911 int 912 print_status(const char *arg) 913 { 914 struct cd_sub_channel_info data; 915 struct ioc_read_subchannel ss; 916 int rv, trk, idx, m, s, f; 917 struct ioc_vol v; 918 919 if ((rv = get_status(&trk, &idx, &m, &s, &f)) >= 0) { 920 printf("audio status:\t%s\n", strstatus(rv)); 921 printf("current track:\t%d\n", trk); 922 if (!digital) 923 printf("current index:\t%d\n", idx); 924 printf("position:\t%d:%02d.%02d\n", m, s, f); 925 } else 926 printf("audio status:\tno info available\n"); 927 928 if (shuffle < 0) 929 printf("single track:\t%d\n", -shuffle); 930 else 931 printf("shuffle play:\t%s\n", (shuffle != 0) ? "on" : "off"); 932 if (digital) 933 printf("digital xfer:\tto %s (%d frames per wakeup, %ld.%03lds period)\n", 934 da.auname, da.fpw, itv_timer.it_interval.tv_sec, 935 itv_timer.it_interval.tv_usec); 936 else 937 printf("digital xfer:\toff\n"); 938 939 bzero(&ss, sizeof(ss)); 940 ss.data = &data; 941 ss.data_len = sizeof(data); 942 ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 943 ss.data_format = CD_MEDIA_CATALOG; 944 945 if (!digital && ioctl(fd, CDIOCREADSUBCHANNEL, (char *) &ss) >= 0) { 946 printf("media catalog:\t%sactive", 947 ss.data->what.media_catalog.mc_valid ? "" : "in"); 948 if (ss.data->what.media_catalog.mc_valid && 949 ss.data->what.media_catalog.mc_number[0]) 950 printf(" (%.15s)", 951 ss.data->what.media_catalog.mc_number); 952 putchar('\n'); 953 } else 954 printf("media catalog:\tnone\n"); 955 956 if (digital) 957 return (0); 958 if (ioctl(fd, CDIOCGETVOL, &v) >= 0) { 959 printf("left volume:\t%d\n", v.vol[0]); 960 printf("right volume:\t%d\n", v.vol[1]); 961 } else { 962 printf("left volume:\tnot available\n"); 963 printf("right volume:\tnot available\n"); 964 } 965 966 ; return (0); 967 } 968 969 int 970 info(const char *arg) 971 { 972 struct ioc_toc_header h; 973 int rc, i, n; 974 975 if ((rc = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 976 warn("ioctl(CDIOREADTOCHEADER)"); 977 return (rc); 978 } 979 980 n = h.ending_track - h.starting_track + 1; 981 rc = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 982 if (rc < 0) 983 return (rc); 984 985 printf("track start duration block length type\n"); 986 printf("--------------------------------------------------\n"); 987 988 for (i = 0; i < n; i++) { 989 printf("%5d ", toc_buffer[i].track); 990 print_track(toc_buffer + i); 991 } 992 printf(" - "); /* Lead-out area */ 993 print_track(toc_buffer + n); 994 return (0); 995 } 996 997 void 998 lba2msf(u_long lba, u_int *m, u_int *s, u_int *f) 999 { 1000 1001 lba += 150; /* block start offset */ 1002 lba &= 0xffffff; /* negative lbas use only 24 bits */ 1003 *m = lba / (60 * 75); 1004 lba %= (60 * 75); 1005 *s = lba / 75; 1006 *f = lba % 75; 1007 } 1008 1009 u_int 1010 msf2lba(u_int m, u_int s, u_int f) 1011 { 1012 1013 return (((m * 60) + s) * 75 + f) - 150; 1014 } 1015 1016 void 1017 print_track(struct cd_toc_entry *e) 1018 { 1019 int block, next, len; 1020 u_int m, s, f; 1021 1022 if (msf) { 1023 /* Print track start */ 1024 printf("%2d:%02d.%02d ", e->addr.msf.minute, 1025 e->addr.msf.second, e->addr.msf.frame); 1026 1027 block = msf2lba(e->addr.msf.minute, e->addr.msf.second, 1028 e->addr.msf.frame); 1029 } else { 1030 block = e->addr.lba; 1031 lba2msf(block, &m, &s, &f); 1032 /* Print track start */ 1033 printf("%2d:%02d.%02d ", m, s, f); 1034 } 1035 if (e->track > CD_MAX_TRACK) { 1036 /* lead-out area -- print block */ 1037 printf(" - %6d - lead-out\n", block); 1038 return; 1039 } 1040 if (msf) 1041 next = msf2lba(e[1].addr.msf.minute, e[1].addr.msf.second, 1042 e[1].addr.msf.frame); 1043 else 1044 next = e[1].addr.lba; 1045 len = next - block; 1046 /* XXX: take into account the 150 frame start offset time */ 1047 /* XXX: this is a mis-use of lba2msf() because 'len' is a */ 1048 /* XXX: length in frames and not a LBA! */ 1049 lba2msf(len - 150, &m, &s, &f); 1050 1051 /* Print duration, block, length, type */ 1052 printf("%2d:%02d.%02d %6d %6d %8s\n", m, s, f, block, len, 1053 (e->control & 4) ? "data" : "audio"); 1054 } 1055 1056 int 1057 play_track(int tstart, int istart, int tend, int iend) 1058 { 1059 struct ioc_play_track t; 1060 int rv; 1061 1062 if (digital) { 1063 tstart--; 1064 if (msf) { 1065 return (play_msf(toc_buffer[tstart].addr.msf.minute, 1066 toc_buffer[tstart].addr.msf.second, toc_buffer[tstart].addr.msf.frame, 1067 toc_buffer[tend].addr.msf.minute, toc_buffer[tend].addr.msf.second, 1068 toc_buffer[tend].addr.msf.frame)); 1069 } else 1070 return (play_digital(toc_buffer[tstart].addr.lba, 1071 toc_buffer[tend].addr.lba)); 1072 } 1073 t.start_track = tstart; 1074 t.start_index = istart; 1075 t.end_track = tend; 1076 t.end_index = iend; 1077 1078 if ((rv = ioctl(fd, CDIOCPLAYTRACKS, &t)) < 0) 1079 warn("ioctl(CDIOCPLAYTRACKS)"); 1080 return (rv); 1081 } 1082 1083 int 1084 play_blocks(int blk, int len) 1085 { 1086 struct ioc_play_blocks t; 1087 int rv; 1088 1089 t.blk = blk; 1090 t.len = len; 1091 1092 if ((rv = ioctl(fd, CDIOCPLAYBLOCKS, &t)) < 0) 1093 warn("ioctl(CDIOCPLAYBLOCKS"); 1094 return (rv); 1095 } 1096 1097 int 1098 play_digital(start, end) 1099 int start, end; 1100 { 1101 da.lba_start = start; 1102 da.lba_end = --end; 1103 da.changed = da.playing = 1; 1104 return (0); 1105 } 1106 1107 int 1108 setvol(int left, int right) 1109 { 1110 struct ioc_vol v; 1111 int rv; 1112 1113 v.vol[0] = left; 1114 v.vol[1] = right; 1115 v.vol[2] = 0; 1116 v.vol[3] = 0; 1117 1118 if ((rv = ioctl(fd, CDIOCSETVOL, &v)) < 0) 1119 warn("ioctl(CDIOCSETVOL)"); 1120 return (rv); 1121 } 1122 1123 int 1124 read_toc_entrys(int len) 1125 { 1126 struct ioc_read_toc_entry t; 1127 int rv; 1128 1129 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 1130 t.starting_track = 0; 1131 t.data_len = len; 1132 t.data = toc_buffer; 1133 1134 if ((rv = ioctl(fd, CDIOREADTOCENTRYS, &t)) < 0) 1135 warn("ioctl(CDIOREADTOCENTRYS)"); 1136 tbvalid = 1; 1137 return (rv); 1138 } 1139 1140 int 1141 play_msf(int start_m, int start_s, int start_f, int end_m, int end_s, 1142 int end_f) 1143 { 1144 struct ioc_play_msf a; 1145 int rv; 1146 1147 if (digital) 1148 return (play_digital(msf2lba(start_m, start_s, start_f), 1149 msf2lba(end_m, end_s, end_f))); 1150 a.start_m = start_m; 1151 a.start_s = start_s; 1152 a.start_f = start_f; 1153 a.end_m = end_m; 1154 a.end_s = end_s; 1155 a.end_f = end_f; 1156 1157 if ((rv = ioctl(fd, CDIOCPLAYMSF, &a)) < 0) 1158 warn("ioctl(CDIOREADTOCENTRYS)"); 1159 return (rv); 1160 } 1161 1162 int 1163 get_status(int *trk, int *idx, int *min, int *sec, int *frame) 1164 { 1165 struct ioc_read_subchannel s; 1166 struct cd_sub_channel_info data; 1167 struct ioc_toc_header h; 1168 u_int mm, ss, ff; 1169 int rv; 1170 int lba, i, n, rc; 1171 1172 if (!tbvalid) { 1173 if ((rc = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 1174 warn("ioctl(CDIOREADTOCHEADER)"); 1175 return (rc); 1176 } 1177 1178 n = h.ending_track - h.starting_track + 1; 1179 rc = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 1180 if (rc < 0) 1181 return (rc); 1182 } 1183 1184 #define SWAPLBA(x) (msf?be32toh(x):(x)) 1185 if (digital && da.playing) { 1186 lba = da.lba_current + 150; 1187 for (i = 1; i < 99; i++) { 1188 if (lba < SWAPLBA(toc_buffer[i].addr.lba)) { 1189 lba -= SWAPLBA(toc_buffer[i - 1].addr.lba); 1190 *trk = i; 1191 break; 1192 } 1193 } 1194 lba2msf(lba - 150, &mm, &ss, &ff); 1195 *min = mm; 1196 *sec = ss; 1197 *frame = ff; 1198 *idx = 0; 1199 return CD_AS_PLAY_IN_PROGRESS; 1200 } 1201 bzero(&s, sizeof(s)); 1202 s.data = &data; 1203 s.data_len = sizeof(data); 1204 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 1205 s.data_format = CD_CURRENT_POSITION; 1206 1207 if ((rv = ioctl(fd, CDIOCREADSUBCHANNEL, &s)) < 0) { 1208 warn("ioctl(CDIOCREADSUBCHANNEL)"); 1209 return (rv); 1210 } 1211 1212 *trk = s.data->what.position.track_number; 1213 *idx = s.data->what.position.index_number; 1214 if (msf) { 1215 *min = s.data->what.position.reladdr.msf.minute; 1216 *sec = s.data->what.position.reladdr.msf.second; 1217 *frame = s.data->what.position.reladdr.msf.frame; 1218 } else { 1219 lba2msf(s.data->what.position.reladdr.lba, &mm, 1220 &ss, &ff); 1221 *min = mm; 1222 *sec = ss; 1223 *frame = ff; 1224 } 1225 1226 return (s.data->header.audio_status); 1227 } 1228 1229 const char * 1230 prompt(void) 1231 { 1232 1233 return ("cdplay> "); 1234 } 1235 1236 const char * 1237 parse(char *buf, int *cmd) 1238 { 1239 const struct cmdtab *c, *mc; 1240 char *p, *q; 1241 int len; 1242 1243 for (p = buf; isspace((unsigned char)*p); p++) 1244 continue; 1245 1246 if (isdigit((unsigned char)*p) || (p[0] == '#' && isdigit((unsigned char)p[1]))) { 1247 *cmd = CMD_PLAY; 1248 return (p); 1249 } 1250 1251 for (buf = p; *p != '\0' && !isspace((unsigned char)*p); p++) 1252 continue; 1253 1254 if ((len = p - buf) == 0) 1255 return (0); 1256 1257 if (*p != '\0') { /* It must be a spacing character! */ 1258 *p++ = 0; 1259 for (q = p; *q != '\0' && *q != '\n' && *q != '\r'; q++) 1260 continue; 1261 *q = 0; 1262 } 1263 1264 *cmd = -1; 1265 1266 mc = cmdtab + sizeof(cmdtab) / sizeof(cmdtab[0]); 1267 for (c = cmdtab; c < mc; c++) { 1268 /* Is it an exact match? */ 1269 if (strcasecmp(buf, c->name) == 0) { 1270 *cmd = c->command; 1271 break; 1272 } 1273 /* Try short hand forms then... */ 1274 if (len >= c->min && strncasecmp(buf, c->name, len) == 0) { 1275 if (*cmd != -1 && *cmd != c->command) { 1276 warnx("ambiguous command"); 1277 return (0); 1278 } 1279 *cmd = c->command; 1280 } 1281 } 1282 1283 if (*cmd == -1) { 1284 warnx("invalid command, enter ``help'' for commands"); 1285 return (0); 1286 } 1287 1288 while (isspace((unsigned char)*p)) 1289 p++; 1290 return (p); 1291 } 1292 1293 int 1294 opencd(void) 1295 { 1296 char devbuf[80]; 1297 1298 if (fd > -1) 1299 return (1); 1300 1301 fd = opendisk(cdname, O_RDONLY, devbuf, sizeof(devbuf), 0); 1302 if (fd < 0) { 1303 if (errno == ENXIO) { 1304 /* 1305 * ENXIO has an overloaded meaning here. The 1306 * original "Device not configured" should be 1307 * interpreted as "No disc in drive %s". 1308 */ 1309 warnx("no disc in drive %s", devbuf); 1310 return (0); 1311 } 1312 err(EXIT_FAILURE, "%s", devbuf); 1313 } 1314 return (1); 1315 } 1316 1317 int 1318 openaudio() 1319 { 1320 audio_info_t ai; 1321 audio_encoding_t ae; 1322 int rc, aei; 1323 1324 if (da.afd > -1) 1325 return (1); 1326 da.afd = open(da.auname, O_WRONLY); 1327 if (da.afd < 0) { 1328 warn("openaudio"); 1329 return (0); 1330 } 1331 AUDIO_INITINFO(&ai); 1332 ae.index = 0; 1333 aei = -1; 1334 rc = ioctl(da.afd, AUDIO_GETENC, &ae); 1335 do { 1336 if (ae.encoding == AUDIO_ENCODING_SLINEAR_LE && ae.precision == 16) 1337 aei = ae.index; 1338 ae.index++; 1339 rc = ioctl(da.afd, AUDIO_GETENC, &ae); 1340 } while (rc == 0); 1341 if (aei == -1) { 1342 warn("No suitable audio encoding found!"); 1343 close(da.afd); 1344 da.afd = -1; 1345 return (0); 1346 } 1347 ai.mode = AUMODE_PLAY; 1348 ai.play.sample_rate = 44100; 1349 ai.play.channels = 2; 1350 ai.play.precision = 16; 1351 ai.play.encoding = AUDIO_ENCODING_SLINEAR_LE; 1352 ai.blocksize = 0; 1353 rc = ioctl(da.afd, AUDIO_SETINFO, &ai); 1354 if (rc < 0) { 1355 warn("AUDIO_SETINFO"); 1356 close(da.afd); 1357 da.afd = -1; 1358 return (0); 1359 } 1360 return (1); 1361 } 1362 1363 int 1364 readaudio(afd, lba, blocks, data) 1365 int afd, lba, blocks; 1366 u_char *data; 1367 { 1368 struct scsireq sc; 1369 int rc; 1370 1371 memset(&sc, 0, sizeof(sc)); 1372 sc.cmd[0] = 0xBE; 1373 sc.cmd[1] = 1 << 2; 1374 sc.cmd[2] = (lba >> 24) & 0xff; 1375 sc.cmd[3] = (lba >> 16) & 0xff; 1376 sc.cmd[4] = (lba >> 8) & 0xff; 1377 sc.cmd[5] = lba & 0xff; 1378 sc.cmd[6] = (blocks >> 16) & 0xff; 1379 sc.cmd[7] = (blocks >> 8) & 0xff; 1380 sc.cmd[8] = blocks & 0xff; 1381 sc.cmd[9] = 1 << 4; 1382 sc.cmd[10] = 0; 1383 sc.cmdlen = 12; 1384 sc.databuf = (caddr_t) data; 1385 sc.datalen = CDDA_SIZE * blocks; 1386 sc.senselen = sizeof(sc.sense); 1387 sc.flags = SCCMD_READ; 1388 sc.timeout = da.fpw * 15; 1389 rc = ioctl(afd, SCIOCCOMMAND, &sc); 1390 if (rc < 0 || sc.retsts != SCCMD_OK) { 1391 if (da.read_errors < 10) { 1392 warnx("scsi cmd failed: retsts %d status %d\n", 1393 sc.retsts, sc.status); 1394 } 1395 da.read_errors++; 1396 return -1; 1397 } 1398 return CDDA_SIZE * blocks; 1399 } 1400 1401 void 1402 toc2msf(u_int i, u_int *m, u_int *s, u_int *f) 1403 { 1404 struct cd_toc_entry *ctep; 1405 1406 assert(i <= CD_MAX_TRACK); 1407 1408 ctep = &toc_buffer[i]; 1409 1410 if (msf) { 1411 *m = ctep->addr.msf.minute; 1412 *s = ctep->addr.msf.second; 1413 *f = ctep->addr.msf.frame; 1414 } else { 1415 lba2msf(ctep->addr.lba, m, s, f); 1416 } 1417 } 1418 1419 int 1420 toc2lba(u_int i) 1421 { 1422 struct cd_toc_entry *ctep; 1423 1424 assert(i > 0); 1425 assert(i <= CD_MAX_TRACK); 1426 1427 ctep = &toc_buffer[i-1]; 1428 1429 if (msf) { 1430 return msf2lba( 1431 ctep->addr.msf.minute, 1432 ctep->addr.msf.second, 1433 ctep->addr.msf.frame); 1434 } else { 1435 return (ctep->addr.lba); 1436 } 1437 } 1438 1439 void 1440 addmsf(u_int *m, u_int *s, u_int *f, u_int m2, u_int s2, u_int f2) 1441 { 1442 *f += f2; 1443 if (*f > 75) { 1444 *s += *f / 75; 1445 *f %= 75; 1446 } 1447 1448 *s += s2; 1449 if (*s > 60) { 1450 *m += *s / 60; 1451 *s %= 60; 1452 } 1453 1454 *m += m2; 1455 } 1456
Indexes created Wed Oct 01 15:09:59 GMT 2025