cdplay.c revision 1.37
1 /* $NetBSD: cdplay.c,v 1.37 2006/12/27 18:47:20 dogcow 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 1.37 2006/12/27 18:47:20 dogcow 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 arg = NULL; 287 do { 288 if (((elline = el_gets(elptr, &scratch)) != NULL) 289 && (scratch != 0)){ 290 history(hist, &he, H_ENTER, elline); 291 line = strdup(elline); 292 if (line != NULL) { 293 arg = parse(line, &cmd); 294 free(line); 295 } 296 } else { 297 cmd = CMD_QUIT; 298 warnx("\r\n"); 299 arg = NULL; 300 break; 301 } 302 } while (arg == NULL); 303 304 if (run(cmd, arg) < 0) { 305 if (fd != -1) 306 close(fd); 307 fd = -1; 308 } 309 } 310 311 el_end(elptr); 312 history_end(hist); 313 exit(EXIT_SUCCESS); 314 /* NOTREACHED */ 315 } 316 317 void 318 usage(void) 319 { 320 321 fprintf(stderr, "usage: cdplay [-a audio_device] [-f cd_device] [command ...]\n"); 322 exit(EXIT_FAILURE); 323 /* NOTREACHED */ 324 } 325 326 void 327 help(void) 328 { 329 const struct cmdtab *c, *mc; 330 const char *s; 331 int i, n; 332 333 mc = cmdtab + sizeof(cmdtab) / sizeof(cmdtab[0]); 334 for (c = cmdtab; c < mc; c++) { 335 for (i = c->min, s = c->name; *s != '\0'; s++, i--) { 336 n = (i > 0 ? toupper((unsigned char)*s) : *s); 337 putchar(n); 338 } 339 if (c->args != NULL) 340 printf(" %s", c->args); 341 putchar('\n'); 342 } 343 printf( 344 "\nThe word \"play\" is not required for the play commands.\n" 345 "The plain target address is taken as a synonym for play.\n"); 346 } 347 348 int 349 run(int cmd, const char *arg) 350 { 351 int l, r, rv; 352 353 rv = 0; 354 if (cmd == CMD_QUIT) { 355 close(fd); 356 exit(EXIT_SUCCESS); 357 /* NOTREACHED */ 358 } 359 360 if (fd < 0 && !opencd()) 361 return (0); 362 363 switch (cmd) { 364 case CMD_INFO: 365 rv = info(arg); 366 break; 367 368 case CMD_STATUS: 369 rv = print_status(arg); 370 break; 371 372 case CMD_PAUSE: 373 if (digital) { 374 da.playing = 0; 375 return (0); 376 } else if ((rv = ioctl(fd, CDIOCPAUSE)) < 0) 377 warn("ioctl(CDIOCPAUSE)"); 378 break; 379 380 case CMD_RESUME: 381 if (digital) { 382 da.playing = 1; 383 return (0); 384 } else if ((rv = ioctl(fd, CDIOCRESUME)) < 0) 385 warn("ioctl(CDIOCRESUME)"); 386 break; 387 388 case CMD_STOP: 389 if (digital) { 390 da.playing = 0; 391 return (0); 392 } else { 393 if ((rv = ioctl(fd, CDIOCSTOP)) < 0) 394 warn("ioctl(CDIOCSTOP)"); 395 if (ioctl(fd, CDIOCALLOW) < 0) 396 warn("ioctl(CDIOCALLOW)"); 397 } 398 break; 399 400 case CMD_RESET: 401 tbvalid = 0; 402 IOCTL_SIMPLE(fd, CDIOCRESET); 403 return (0); 404 405 case CMD_EJECT: 406 tbvalid = 0; 407 if (digital) 408 da.playing = 0; 409 if (shuffle) 410 run(CMD_SHUFFLE, NULL); 411 if (ioctl(fd, CDIOCALLOW) < 0) 412 warn("ioctl(CDIOCALLOW)"); 413 IOCTL_SIMPLE(fd, CDIOCEJECT); 414 break; 415 416 case CMD_CLOSE: 417 ioctl(fd, CDIOCALLOW); 418 IOCTL_SIMPLE(fd, CDIOCCLOSE); 419 if (interactive && fd == -1) 420 opencd(); 421 break; 422 423 case CMD_PLAY: 424 while (isspace((unsigned char)*arg)) 425 arg++; 426 rv = play(arg, 1); 427 break; 428 429 case CMD_PREV: 430 rv = skip(-1, 1); 431 break; 432 433 case CMD_NEXT: 434 rv = skip(1, 1); 435 break; 436 437 case CMD_SINGLE: 438 if (interactive == 0) 439 errx(EXIT_FAILURE, 440 "'single' valid only in interactive mode"); 441 /*FALLTHROUGH*/ 442 case CMD_SHUFFLE: 443 if (interactive == 0) 444 errx(EXIT_FAILURE, 445 "`shuffle' valid only in interactive mode"); 446 if (shuffle == 0) { 447 if (digital == 0) { 448 itv_timer.it_interval.tv_sec = 1; 449 itv_timer.it_interval.tv_usec = 0; 450 itv_timer.it_value.tv_sec = 1; 451 itv_timer.it_value.tv_usec = 0; 452 if (setitimer(ITIMER_REAL, &itv_timer, NULL) == 0) { 453 if (cmd == CMD_SHUFFLE) { 454 shuffle = 1; 455 } else { 456 while (isspace((unsigned char)*arg)) 457 arg++; 458 shuffle = -atoi(arg); 459 } 460 } 461 } else 462 shuffle = cmd == CMD_SINGLE ? -atoi(arg) : 1; 463 /* 464 if (shuffle) 465 rv = skip(0, 1); 466 */ 467 } else { 468 if (digital == 0) { 469 itv_timer.it_interval.tv_sec = 0; 470 itv_timer.it_interval.tv_usec = 0; 471 itv_timer.it_value.tv_sec = 0; 472 itv_timer.it_value.tv_usec = 0; 473 setitimer(ITIMER_REAL, &itv_timer, NULL); 474 } 475 shuffle = 0; 476 } 477 if (shuffle < 0) 478 printf("single track:\t%d\n", -shuffle); 479 else 480 printf("shuffle play:\t%s\n", (shuffle != 0) ? "on" : "off"); 481 rv = 0; 482 break; 483 484 case CMD_DIGITAL: 485 if (digital == 0) { 486 int fpw; 487 488 fpw = atoi(arg); 489 if (fpw > 0) 490 da.fpw = fpw; 491 else 492 da.fpw = 5; 493 da.read_errors = 0; 494 da.aubuf = malloc(da.fpw * CDDA_SIZE); 495 if (da.aubuf == NULL) { 496 warn("Not enough memory for audio buffers"); 497 return (1); 498 } 499 if (da.afd == -1 && !openaudio()) { 500 warn("Cannot open audio device"); 501 return (1); 502 } 503 itv_timer.it_interval.tv_sec = itv_timer.it_value.tv_sec = da.fpw / 75; 504 itv_timer.it_interval.tv_usec = itv_timer.it_value.tv_usec = 505 (da.fpw * 6666) % 1000000; 506 rv = setitimer(ITIMER_REAL, &itv_timer, NULL); 507 if (rv == 0) { 508 digital = 1; 509 } else 510 warnx("setitimer in CMD_DIGITAL"); 511 msf = 0; 512 tbvalid = 0; 513 } else { 514 if (shuffle == 1) 515 itv_timer.it_interval.tv_sec = itv_timer.it_value.tv_sec = 1; 516 else 517 itv_timer.it_interval.tv_sec = itv_timer.it_value.tv_sec = 0; 518 itv_timer.it_interval.tv_usec = itv_timer.it_value.tv_usec = 0; 519 digital = 0; 520 rv = setitimer(ITIMER_REAL, &itv_timer, NULL); 521 free(da.audata); 522 close(da.afd); 523 da.afd = -1; 524 } 525 return (0); 526 527 case CMD_SKIP: 528 if (!interactive) 529 errx(EXIT_FAILURE, 530 "`skip' valid only in interactive mode"); 531 if (!shuffle) 532 warnx("`skip' valid only in shuffle mode"); 533 else 534 skip(0, 1); 535 break; 536 537 case CMD_SET: 538 tbvalid = 0; 539 if (strcasecmp(arg, "msf") == 0) 540 msf = 1; 541 else if (strcasecmp(arg, "lba") == 0) 542 msf = 0; 543 else 544 warnx("invalid command arguments"); 545 break; 546 547 case CMD_VOLUME: 548 if (digital) { 549 rv = 0; 550 warnx("`volume' is ignored while in digital xfer mode"); 551 } else if (strncasecmp(arg, "left", strlen(arg)) == 0) 552 rv = ioctl(fd, CDIOCSETLEFT); 553 else if (strncasecmp(arg, "right", strlen(arg)) == 0) 554 rv = ioctl(fd, CDIOCSETRIGHT); 555 else if (strncasecmp(arg, "mono", strlen(arg)) == 0) 556 rv = ioctl(fd, CDIOCSETMONO); 557 else if (strncasecmp(arg, "stereo", strlen(arg)) == 0) 558 rv = ioctl(fd, CDIOCSETSTEREO); 559 else if (strncasecmp(arg, "mute", strlen(arg)) == 0) 560 rv = ioctl(fd, CDIOCSETMUTE); 561 else { 562 rv = 0; 563 if (sscanf(arg, "%d %d", &l, &r) != 2) { 564 if (sscanf(arg, "%d", &l) == 1) 565 r = l; 566 else { 567 warnx("invalid command arguments"); 568 break; 569 } 570 } 571 rv = setvol(l, r); 572 } 573 break; 574 575 case CMD_HELP: 576 default: 577 help(); 578 rv = 0; 579 break; 580 } 581 582 return (rv); 583 } 584 585 int 586 play(const char *arg, int fromuser) 587 { 588 int rv, n, start, end, istart, iend, blk, len, relend; 589 u_int tr1, tr2, m1, m2, s1, s2, f1, f2, tm, ts, tf; 590 struct ioc_toc_header h; 591 592 if (shuffle && fromuser) { 593 warnx("`play' not valid in shuffle mode"); 594 return (0); 595 } 596 597 if ((rv = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 598 warn("ioctl(CDIOREADTOCHEADER)"); 599 return (rv); 600 } 601 602 end = 0; 603 istart = iend = 1; 604 n = h.ending_track - h.starting_track + 1; 605 rv = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 606 if (rv < 0) 607 return (rv); 608 609 if (arg == NULL || *arg == '\0') { 610 /* Play the whole disc */ 611 return (play_track(h.starting_track, 1, h.ending_track, 99)); 612 } 613 614 if (strchr(arg, '#') != NULL) { 615 /* Play block #blk [ len ] */ 616 len = 0; 617 618 if (2 != sscanf(arg, "#%d%d", &blk, &len) && 619 1 != sscanf(arg, "#%d", &blk)) 620 goto Clean_up; 621 622 if (len == 0) { 623 len = toc2lba(n); 624 } 625 return (play_blocks(blk, len)); 626 } 627 628 if (strchr(arg, ':') != NULL) { 629 /* 630 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ] 631 * 632 * Will now also undestand timed addresses relative 633 * to the beginning of a track in the form... 634 * 635 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]] 636 */ 637 relend = 1; 638 tr2 = m2 = s2 = f2 = f1 = 0; 639 if (8 == sscanf(arg, "%d %d:%d.%d %d %d:%d.%d", &tr1, &m1, 640 &s1, &f1, &tr2, &m2, &s2, &f2)) 641 goto Play_Relative_Addresses; 642 643 tr2 = m2 = s2 = f2 = f1 = 0; 644 if (7 == sscanf(arg, "%d %d:%d %d %d:%d.%d", &tr1, &m1, &s1, 645 &tr2, &m2, &s2, &f2)) 646 goto Play_Relative_Addresses; 647 648 tr2 = m2 = s2 = f2 = f1 = 0; 649 if (7 == sscanf(arg, "%d %d:%d.%d %d %d:%d", &tr1, &m1, &s1, 650 &f1, &tr2, &m2, &s2)) 651 goto Play_Relative_Addresses; 652 653 tr2 = m2 = s2 = f2 = f1 = 0; 654 if (7 == sscanf(arg, "%d %d:%d.%d %d:%d.%d", &tr1, &m1, &s1, 655 &f1, &m2, &s2, &f2)) 656 goto Play_Relative_Addresses; 657 658 tr2 = m2 = s2 = f2 = f1 = 0; 659 if (6 == sscanf(arg, "%d %d:%d.%d %d:%d", &tr1, &m1, &s1, &f1, 660 &m2, &s2)) 661 goto Play_Relative_Addresses; 662 663 tr2 = m2 = s2 = f2 = f1 = 0; 664 if (6 == sscanf(arg, "%d %d:%d %d:%d.%d", &tr1, &m1, &s1, &m2, 665 &s2, &f2)) 666 goto Play_Relative_Addresses; 667 668 tr2 = m2 = s2 = f2 = f1 = 0; 669 if (6 == sscanf(arg, "%d %d:%d.%d %d %d", &tr1, &m1, &s1, &f1, 670 &tr2, &m2)) 671 goto Play_Relative_Addresses; 672 673 tr2 = m2 = s2 = f2 = f1 = 0; 674 if (6 == sscanf(arg, "%d %d:%d %d %d:%d", &tr1, &m1, &s1, &tr2, 675 &m2, &s2)) 676 goto Play_Relative_Addresses; 677 678 tr2 = m2 = s2 = f2 = f1 = 0; 679 if (5 == sscanf(arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, 680 &s2)) 681 goto Play_Relative_Addresses; 682 683 tr2 = m2 = s2 = f2 = f1 = 0; 684 if (5 == sscanf(arg, "%d %d:%d %d %d", &tr1, &m1, &s1, &tr2, 685 &m2)) 686 goto Play_Relative_Addresses; 687 688 relend=0; 689 tr2 = m2 = s2 = f2 = f1 = 0; 690 if (5 == sscanf(arg, "%d %d:%d.%d %d", &tr1, &m1, &s1, &f1, 691 &tr2)) 692 goto Play_Relative_Addresses; 693 694 tr2 = m2 = s2 = f2 = f1 = 0; 695 if (4 == sscanf(arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2)) 696 goto Play_Relative_Addresses; 697 698 tr2 = m2 = s2 = f2 = f1 = 0; 699 if (4 == sscanf(arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1)) 700 goto Play_Relative_Addresses; 701 702 tr2 = m2 = s2 = f2 = f1 = 0; 703 if (3 == sscanf(arg, "%d %d:%d", &tr1, &m1, &s1)) 704 goto Play_Relative_Addresses; 705 706 tr2 = m2 = s2 = f2 = f1 = 0; 707 goto Try_Absolute_Timed_Addresses; 708 709 Play_Relative_Addresses: 710 if (!tr1) 711 tr1 = 1; 712 else if (tr1 > n) 713 tr1 = n; 714 715 toc2msf(tr1-1, &tm, &ts, &tf); 716 addmsf(&m1, &s1, &f1, tm, ts, tf); 717 718 toc2msf(tr1, &tm, &ts, &tf); 719 720 if ((m1 > tm) || ((m1 == tm) && ((s1 > ts) || ((s1 == ts) && 721 (f1 > tf))))) { 722 warnx("Track %d is not that long.", tr1); 723 return (0); 724 } 725 tr1--; /* XXXXX ???? */ 726 727 728 if (!tr2) { 729 if (relend) { 730 tr2 = tr1; 731 732 addmsf(&m2, &s2, &f2, m1, s1, f1); 733 } else { 734 tr2 = n; 735 736 toc2msf(n, &m2, &s2, &f2); 737 } 738 } else { 739 if (tr2 > n) { 740 tr2 = n; 741 m2 = s2 = f2 = 0; 742 } else { 743 if (relend) 744 tr2--; 745 746 toc2msf(tr2, &tm, &ts, &tf); 747 addmsf(&m2, &s2, &f2, tm, ts, tf); 748 } 749 } 750 751 toc2msf(n, &tm, &ts, &tf); 752 753 if ((tr2 < n) && ((m2 > tm) || ((m2 == tm) && ((s2 > ts) || 754 ((s2 == ts) && (f2 > tf)))))) { 755 warnx("The playing time of the disc is not that long."); 756 return (0); 757 } 758 759 return (play_msf(m1, s1, f1, m2, s2, f2)); 760 761 Try_Absolute_Timed_Addresses: 762 m2 = UINT_MAX; 763 764 if (6 != sscanf(arg, "%d:%d.%d%d:%d.%d", 765 &m1, &s1, &f1, &m2, &s2, &f2) && 766 5 != sscanf(arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) && 767 5 != sscanf(arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) && 768 3 != sscanf(arg, "%d:%d.%d", &m1, &s1, &f1) && 769 4 != sscanf(arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) && 770 2 != sscanf(arg, "%d:%d", &m1, &s1)) 771 goto Clean_up; 772 773 if (m2 == UINT_MAX) { 774 if (msf) { 775 m2 = toc_buffer[n].addr.msf.minute; 776 s2 = toc_buffer[n].addr.msf.second; 777 f2 = toc_buffer[n].addr.msf.frame; 778 } else { 779 lba2msf(toc_buffer[n].addr.lba, &tm, &ts, &tf); 780 m2 = tm; 781 s2 = ts; 782 f2 = tf; 783 } 784 } 785 return (play_msf(m1, s1, f1, m2, s2, f2)); 786 } 787 788 /* 789 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ] 790 */ 791 if (4 != sscanf(arg, "%d.%d%d.%d", &start, &istart, &end, &iend) && 792 3 != sscanf(arg, "%d.%d%d", &start, &istart, &end) && 793 3 != sscanf(arg, "%d%d.%d", &start, &end, &iend) && 794 2 != sscanf(arg, "%d.%d", &start, &istart) && 795 2 != sscanf(arg, "%d%d", &start, &end) && 796 1 != sscanf(arg, "%d", &start)) 797 goto Clean_up; 798 799 if (end == 0) 800 end = n; 801 return (play_track(start, istart, end, iend)); 802 803 Clean_up: 804 warnx("invalid command arguments"); 805 return (0); 806 } 807 808 void 809 sig_timer(int sig) 810 { 811 int aulen, auwr, fpw; 812 sigset_t anymore; 813 814 sigpending(&anymore); 815 if (sigismember(&anymore, SIGALRM)) 816 return; 817 if (digital) { 818 if (!da.playing) 819 return; 820 if (da.changed) { 821 da.lba_current = da.lba_start; 822 da.changed = 0; 823 } 824 /* read frames into circular buffer */ 825 fpw = da.lba_end - da.lba_current + 1; 826 if (fpw > da.fpw) 827 fpw = da.fpw; 828 if (fpw > 0) { 829 aulen = readaudio(fd, da.lba_current, fpw, da.aubuf); 830 if (aulen > 0) { 831 auwr = write(da.afd, da.aubuf, aulen); 832 da.lba_current += fpw; 833 } 834 } 835 if (da.lba_current > da.lba_end) 836 da.playing = 0; 837 } 838 if (shuffle) 839 skip(0, 0); 840 sched_yield(); 841 setitimer(ITIMER_REAL, &itv_timer, NULL); 842 } 843 844 int 845 skip(int dir, int fromuser) 846 { 847 char str[16]; 848 int rv, trk, idx, m, s, f; 849 struct ioc_toc_header h; 850 851 if ((rv = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 852 warn("ioctl(CDIOREADTOCHEADER)"); 853 return (rv); 854 } 855 if ((rv = get_status(&trk, &idx, &m, &s, &f)) < 0) 856 return (rv); 857 858 if (dir == 0 || shuffle != 0) { 859 if (fromuser || (rv != CD_AS_PLAY_IN_PROGRESS && 860 rv != CD_AS_PLAY_PAUSED)) 861 trk = shuffle < 0 ? (-shuffle) : (h.starting_track + 862 arc4random() % (h.ending_track - h.starting_track + 1)); 863 else 864 return (0); 865 } else { 866 trk += dir; 867 if (trk > h.ending_track) 868 trk = h.starting_track; 869 else if(trk < h.starting_track) 870 trk = h.ending_track; 871 } 872 873 if (shuffle) 874 snprintf(str, sizeof(str), "%d %d", trk, trk); 875 else 876 snprintf(str, sizeof(str), "%d", trk); 877 878 return (play(str, 0)); 879 } 880 881 const char * 882 strstatus(int sts) 883 { 884 const char *str; 885 886 switch (sts) { 887 case CD_AS_AUDIO_INVALID: 888 str = "invalid"; 889 break; 890 case CD_AS_PLAY_IN_PROGRESS: 891 str = "playing"; 892 break; 893 case CD_AS_PLAY_PAUSED: 894 str = "paused"; 895 break; 896 case CD_AS_PLAY_COMPLETED: 897 str = "completed"; 898 break; 899 case CD_AS_PLAY_ERROR: 900 str = "error"; 901 break; 902 case CD_AS_NO_STATUS: 903 str = "not playing"; 904 break; 905 default: 906 str = "<unknown>"; 907 break; 908 } 909 910 return (str); 911 } 912 913 int 914 print_status(const char *arg) 915 { 916 struct cd_sub_channel_info data; 917 struct ioc_read_subchannel ss; 918 int rv, trk, idx, m, s, f; 919 struct ioc_vol v; 920 921 if ((rv = get_status(&trk, &idx, &m, &s, &f)) >= 0) { 922 printf("audio status:\t%s\n", strstatus(rv)); 923 printf("current track:\t%d\n", trk); 924 if (!digital) 925 printf("current index:\t%d\n", idx); 926 printf("position:\t%d:%02d.%02d\n", m, s, f); 927 } else 928 printf("audio status:\tno info available\n"); 929 930 if (shuffle < 0) 931 printf("single track:\t%d\n", -shuffle); 932 else 933 printf("shuffle play:\t%s\n", (shuffle != 0) ? "on" : "off"); 934 if (digital) 935 printf("digital xfer:\tto %s (%d frames per wakeup, %ld.%03lds period)\n", 936 da.auname, da.fpw, itv_timer.it_interval.tv_sec, 937 itv_timer.it_interval.tv_usec); 938 else 939 printf("digital xfer:\toff\n"); 940 941 bzero(&ss, sizeof(ss)); 942 ss.data = &data; 943 ss.data_len = sizeof(data); 944 ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 945 ss.data_format = CD_MEDIA_CATALOG; 946 947 if (!digital && ioctl(fd, CDIOCREADSUBCHANNEL, (char *) &ss) >= 0) { 948 printf("media catalog:\t%sactive", 949 ss.data->what.media_catalog.mc_valid ? "" : "in"); 950 if (ss.data->what.media_catalog.mc_valid && 951 ss.data->what.media_catalog.mc_number[0]) 952 printf(" (%.15s)", 953 ss.data->what.media_catalog.mc_number); 954 putchar('\n'); 955 } else 956 printf("media catalog:\tnone\n"); 957 958 if (digital) 959 return (0); 960 if (ioctl(fd, CDIOCGETVOL, &v) >= 0) { 961 printf("left volume:\t%d\n", v.vol[0]); 962 printf("right volume:\t%d\n", v.vol[1]); 963 } else { 964 printf("left volume:\tnot available\n"); 965 printf("right volume:\tnot available\n"); 966 } 967 968 ; return (0); 969 } 970 971 int 972 info(const char *arg) 973 { 974 struct ioc_toc_header h; 975 int rc, i, n; 976 977 if ((rc = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 978 warn("ioctl(CDIOREADTOCHEADER)"); 979 return (rc); 980 } 981 982 n = h.ending_track - h.starting_track + 1; 983 rc = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 984 if (rc < 0) 985 return (rc); 986 987 printf("track start duration block length type\n"); 988 printf("--------------------------------------------------\n"); 989 990 for (i = 0; i < n; i++) { 991 printf("%5d ", toc_buffer[i].track); 992 print_track(toc_buffer + i); 993 } 994 printf(" - "); /* Lead-out area */ 995 print_track(toc_buffer + n); 996 return (0); 997 } 998 999 void 1000 lba2msf(u_long lba, u_int *m, u_int *s, u_int *f) 1001 { 1002 1003 lba += 150; /* block start offset */ 1004 lba &= 0xffffff; /* negative lbas use only 24 bits */ 1005 *m = lba / (60 * 75); 1006 lba %= (60 * 75); 1007 *s = lba / 75; 1008 *f = lba % 75; 1009 } 1010 1011 u_int 1012 msf2lba(u_int m, u_int s, u_int f) 1013 { 1014 1015 return (((m * 60) + s) * 75 + f) - 150; 1016 } 1017 1018 void 1019 print_track(struct cd_toc_entry *e) 1020 { 1021 int block, next, len; 1022 u_int m, s, f; 1023 1024 if (msf) { 1025 /* Print track start */ 1026 printf("%2d:%02d.%02d ", e->addr.msf.minute, 1027 e->addr.msf.second, e->addr.msf.frame); 1028 1029 block = msf2lba(e->addr.msf.minute, e->addr.msf.second, 1030 e->addr.msf.frame); 1031 } else { 1032 block = e->addr.lba; 1033 lba2msf(block, &m, &s, &f); 1034 /* Print track start */ 1035 printf("%2d:%02d.%02d ", m, s, f); 1036 } 1037 if (e->track > CD_MAX_TRACK) { 1038 /* lead-out area -- print block */ 1039 printf(" - %6d - lead-out\n", block); 1040 return; 1041 } 1042 if (msf) 1043 next = msf2lba(e[1].addr.msf.minute, e[1].addr.msf.second, 1044 e[1].addr.msf.frame); 1045 else 1046 next = e[1].addr.lba; 1047 len = next - block; 1048 /* XXX: take into account the 150 frame start offset time */ 1049 /* XXX: this is a mis-use of lba2msf() because 'len' is a */ 1050 /* XXX: length in frames and not a LBA! */ 1051 lba2msf(len - 150, &m, &s, &f); 1052 1053 /* Print duration, block, length, type */ 1054 printf("%2d:%02d.%02d %6d %6d %8s\n", m, s, f, block, len, 1055 (e->control & 4) ? "data" : "audio"); 1056 } 1057 1058 int 1059 play_track(int tstart, int istart, int tend, int iend) 1060 { 1061 struct ioc_play_track t; 1062 int rv; 1063 1064 if (digital) { 1065 tstart--; 1066 if (msf) { 1067 return (play_msf(toc_buffer[tstart].addr.msf.minute, 1068 toc_buffer[tstart].addr.msf.second, toc_buffer[tstart].addr.msf.frame, 1069 toc_buffer[tend].addr.msf.minute, toc_buffer[tend].addr.msf.second, 1070 toc_buffer[tend].addr.msf.frame)); 1071 } else 1072 return (play_digital(toc_buffer[tstart].addr.lba, 1073 toc_buffer[tend].addr.lba)); 1074 } 1075 t.start_track = tstart; 1076 t.start_index = istart; 1077 t.end_track = tend; 1078 t.end_index = iend; 1079 1080 if ((rv = ioctl(fd, CDIOCPLAYTRACKS, &t)) < 0) 1081 warn("ioctl(CDIOCPLAYTRACKS)"); 1082 return (rv); 1083 } 1084 1085 int 1086 play_blocks(int blk, int len) 1087 { 1088 struct ioc_play_blocks t; 1089 int rv; 1090 1091 t.blk = blk; 1092 t.len = len; 1093 1094 if ((rv = ioctl(fd, CDIOCPLAYBLOCKS, &t)) < 0) 1095 warn("ioctl(CDIOCPLAYBLOCKS"); 1096 return (rv); 1097 } 1098 1099 int 1100 play_digital(start, end) 1101 int start, end; 1102 { 1103 da.lba_start = start; 1104 da.lba_end = --end; 1105 da.changed = da.playing = 1; 1106 return (0); 1107 } 1108 1109 int 1110 setvol(int left, int right) 1111 { 1112 struct ioc_vol v; 1113 int rv; 1114 1115 v.vol[0] = left; 1116 v.vol[1] = right; 1117 v.vol[2] = 0; 1118 v.vol[3] = 0; 1119 1120 if ((rv = ioctl(fd, CDIOCSETVOL, &v)) < 0) 1121 warn("ioctl(CDIOCSETVOL)"); 1122 return (rv); 1123 } 1124 1125 int 1126 read_toc_entrys(int len) 1127 { 1128 struct ioc_read_toc_entry t; 1129 int rv; 1130 1131 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 1132 t.starting_track = 0; 1133 t.data_len = len; 1134 t.data = toc_buffer; 1135 1136 if ((rv = ioctl(fd, CDIOREADTOCENTRYS, &t)) < 0) 1137 warn("ioctl(CDIOREADTOCENTRYS)"); 1138 tbvalid = 1; 1139 return (rv); 1140 } 1141 1142 int 1143 play_msf(int start_m, int start_s, int start_f, int end_m, int end_s, 1144 int end_f) 1145 { 1146 struct ioc_play_msf a; 1147 int rv; 1148 1149 if (digital) 1150 return (play_digital(msf2lba(start_m, start_s, start_f), 1151 msf2lba(end_m, end_s, end_f))); 1152 a.start_m = start_m; 1153 a.start_s = start_s; 1154 a.start_f = start_f; 1155 a.end_m = end_m; 1156 a.end_s = end_s; 1157 a.end_f = end_f; 1158 1159 if ((rv = ioctl(fd, CDIOCPLAYMSF, &a)) < 0) 1160 warn("ioctl(CDIOREADTOCENTRYS)"); 1161 return (rv); 1162 } 1163 1164 int 1165 get_status(int *trk, int *idx, int *min, int *sec, int *frame) 1166 { 1167 struct ioc_read_subchannel s; 1168 struct cd_sub_channel_info data; 1169 struct ioc_toc_header h; 1170 u_int mm, ss, ff; 1171 int rv; 1172 int lba, i, n, rc; 1173 1174 if (!tbvalid) { 1175 if ((rc = ioctl(fd, CDIOREADTOCHEADER, &h)) < 0) { 1176 warn("ioctl(CDIOREADTOCHEADER)"); 1177 return (rc); 1178 } 1179 1180 n = h.ending_track - h.starting_track + 1; 1181 rc = read_toc_entrys((n + 1) * sizeof(struct cd_toc_entry)); 1182 if (rc < 0) 1183 return (rc); 1184 } 1185 1186 #define SWAPLBA(x) (msf?be32toh(x):(x)) 1187 if (digital && da.playing) { 1188 lba = da.lba_current + 150; 1189 for (i = 1; i < 99; i++) { 1190 if (lba < SWAPLBA(toc_buffer[i].addr.lba)) { 1191 lba -= SWAPLBA(toc_buffer[i - 1].addr.lba); 1192 *trk = i; 1193 break; 1194 } 1195 } 1196 lba2msf(lba - 150, &mm, &ss, &ff); 1197 *min = mm; 1198 *sec = ss; 1199 *frame = ff; 1200 *idx = 0; 1201 return CD_AS_PLAY_IN_PROGRESS; 1202 } 1203 bzero(&s, sizeof(s)); 1204 s.data = &data; 1205 s.data_len = sizeof(data); 1206 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT; 1207 s.data_format = CD_CURRENT_POSITION; 1208 1209 if ((rv = ioctl(fd, CDIOCREADSUBCHANNEL, &s)) < 0) { 1210 warn("ioctl(CDIOCREADSUBCHANNEL)"); 1211 return (rv); 1212 } 1213 1214 *trk = s.data->what.position.track_number; 1215 *idx = s.data->what.position.index_number; 1216 if (msf) { 1217 *min = s.data->what.position.reladdr.msf.minute; 1218 *sec = s.data->what.position.reladdr.msf.second; 1219 *frame = s.data->what.position.reladdr.msf.frame; 1220 } else { 1221 lba2msf(s.data->what.position.reladdr.lba, &mm, 1222 &ss, &ff); 1223 *min = mm; 1224 *sec = ss; 1225 *frame = ff; 1226 } 1227 1228 return (s.data->header.audio_status); 1229 } 1230 1231 const char * 1232 prompt(void) 1233 { 1234 1235 return ("cdplay> "); 1236 } 1237 1238 const char * 1239 parse(char *buf, int *cmd) 1240 { 1241 const struct cmdtab *c, *mc; 1242 char *p, *q; 1243 int len; 1244 1245 for (p = buf; isspace((unsigned char)*p); p++) 1246 continue; 1247 1248 if (isdigit((unsigned char)*p) || (p[0] == '#' && isdigit((unsigned char)p[1]))) { 1249 *cmd = CMD_PLAY; 1250 return (p); 1251 } 1252 1253 for (buf = p; *p != '\0' && !isspace((unsigned char)*p); p++) 1254 continue; 1255 1256 if ((len = p - buf) == 0) 1257 return (0); 1258 1259 if (*p != '\0') { /* It must be a spacing character! */ 1260 *p++ = 0; 1261 for (q = p; *q != '\0' && *q != '\n' && *q != '\r'; q++) 1262 continue; 1263 *q = 0; 1264 } 1265 1266 *cmd = -1; 1267 1268 mc = cmdtab + sizeof(cmdtab) / sizeof(cmdtab[0]); 1269 for (c = cmdtab; c < mc; c++) { 1270 /* Is it an exact match? */ 1271 if (strcasecmp(buf, c->name) == 0) { 1272 *cmd = c->command; 1273 break; 1274 } 1275 /* Try short hand forms then... */ 1276 if (len >= c->min && strncasecmp(buf, c->name, len) == 0) { 1277 if (*cmd != -1 && *cmd != c->command) { 1278 warnx("ambiguous command"); 1279 return (0); 1280 } 1281 *cmd = c->command; 1282 } 1283 } 1284 1285 if (*cmd == -1) { 1286 warnx("invalid command, enter ``help'' for commands"); 1287 return (0); 1288 } 1289 1290 while (isspace((unsigned char)*p)) 1291 p++; 1292 return (p); 1293 } 1294 1295 int 1296 opencd(void) 1297 { 1298 char devbuf[80]; 1299 1300 if (fd > -1) 1301 return (1); 1302 1303 fd = opendisk(cdname, O_RDONLY, devbuf, sizeof(devbuf), 0); 1304 if (fd < 0) { 1305 if (errno == ENXIO) { 1306 /* 1307 * ENXIO has an overloaded meaning here. The 1308 * original "Device not configured" should be 1309 * interpreted as "No disc in drive %s". 1310 */ 1311 warnx("no disc in drive %s", devbuf); 1312 return (0); 1313 } 1314 err(EXIT_FAILURE, "%s", devbuf); 1315 } 1316 return (1); 1317 } 1318 1319 int 1320 openaudio() 1321 { 1322 audio_info_t ai; 1323 audio_encoding_t ae; 1324 int rc, aei; 1325 1326 if (da.afd > -1) 1327 return (1); 1328 da.afd = open(da.auname, O_WRONLY); 1329 if (da.afd < 0) { 1330 warn("openaudio"); 1331 return (0); 1332 } 1333 AUDIO_INITINFO(&ai); 1334 ae.index = 0; 1335 aei = -1; 1336 rc = ioctl(da.afd, AUDIO_GETENC, &ae); 1337 do { 1338 if (ae.encoding == AUDIO_ENCODING_SLINEAR_LE && ae.precision == 16) 1339 aei = ae.index; 1340 ae.index++; 1341 rc = ioctl(da.afd, AUDIO_GETENC, &ae); 1342 } while (rc == 0); 1343 if (aei == -1) { 1344 warn("No suitable audio encoding found!"); 1345 close(da.afd); 1346 da.afd = -1; 1347 return (0); 1348 } 1349 ai.mode = AUMODE_PLAY; 1350 ai.play.sample_rate = 44100; 1351 ai.play.channels = 2; 1352 ai.play.precision = 16; 1353 ai.play.encoding = AUDIO_ENCODING_SLINEAR_LE; 1354 ai.blocksize = 0; 1355 rc = ioctl(da.afd, AUDIO_SETINFO, &ai); 1356 if (rc < 0) { 1357 warn("AUDIO_SETINFO"); 1358 close(da.afd); 1359 da.afd = -1; 1360 return (0); 1361 } 1362 return (1); 1363 } 1364 1365 int 1366 readaudio(afd, lba, blocks, data) 1367 int afd, lba, blocks; 1368 u_char *data; 1369 { 1370 struct scsireq sc; 1371 int rc; 1372 1373 memset(&sc, 0, sizeof(sc)); 1374 sc.cmd[0] = 0xBE; 1375 sc.cmd[1] = 1 << 2; 1376 sc.cmd[2] = (lba >> 24) & 0xff; 1377 sc.cmd[3] = (lba >> 16) & 0xff; 1378 sc.cmd[4] = (lba >> 8) & 0xff; 1379 sc.cmd[5] = lba & 0xff; 1380 sc.cmd[6] = (blocks >> 16) & 0xff; 1381 sc.cmd[7] = (blocks >> 8) & 0xff; 1382 sc.cmd[8] = blocks & 0xff; 1383 sc.cmd[9] = 1 << 4; 1384 sc.cmd[10] = 0; 1385 sc.cmdlen = 12; 1386 sc.databuf = (caddr_t) data; 1387 sc.datalen = CDDA_SIZE * blocks; 1388 sc.senselen = sizeof(sc.sense); 1389 sc.flags = SCCMD_READ; 1390 sc.timeout = da.fpw * 15; 1391 rc = ioctl(afd, SCIOCCOMMAND, &sc); 1392 if (rc < 0 || sc.retsts != SCCMD_OK) { 1393 if (da.read_errors < 10) { 1394 warnx("scsi cmd failed: retsts %d status %d\n", 1395 sc.retsts, sc.status); 1396 } 1397 da.read_errors++; 1398 return -1; 1399 } 1400 return CDDA_SIZE * blocks; 1401 } 1402 1403 void 1404 toc2msf(u_int i, u_int *m, u_int *s, u_int *f) 1405 { 1406 struct cd_toc_entry *ctep; 1407 1408 assert(i <= CD_MAX_TRACK); 1409 1410 ctep = &toc_buffer[i]; 1411 1412 if (msf) { 1413 *m = ctep->addr.msf.minute; 1414 *s = ctep->addr.msf.second; 1415 *f = ctep->addr.msf.frame; 1416 } else { 1417 lba2msf(ctep->addr.lba, m, s, f); 1418 } 1419 } 1420 1421 int 1422 toc2lba(u_int i) 1423 { 1424 struct cd_toc_entry *ctep; 1425 1426 assert(i > 0); 1427 assert(i <= CD_MAX_TRACK); 1428 1429 ctep = &toc_buffer[i-1]; 1430 1431 if (msf) { 1432 return msf2lba( 1433 ctep->addr.msf.minute, 1434 ctep->addr.msf.second, 1435 ctep->addr.msf.frame); 1436 } else { 1437 return (ctep->addr.lba); 1438 } 1439 } 1440 1441 void 1442 addmsf(u_int *m, u_int *s, u_int *f, u_int m2, u_int s2, u_int f2) 1443 { 1444 *f += f2; 1445 if (*f > 75) { 1446 *s += *f / 75; 1447 *f %= 75; 1448 } 1449 1450 *s += s2; 1451 if (*s > 60) { 1452 *m += *s / 60; 1453 *s %= 60; 1454 } 1455 1456 *m += m2; 1457 } 1458
Indexes created Tue Sep 30 20:09:53 GMT 2025