ctl.c revision 1.21
1 /* $NetBSD: ctl.c,v 1.21 1998/11/25 22:17:08 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (augustss (at) netbsd.org). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <fcntl.h> 42 #include <err.h> 43 #include <unistd.h> 44 #include <string.h> 45 #include <sys/types.h> 46 #include <sys/stat.h> 47 #include <sys/ioctl.h> 48 #include <sys/audioio.h> 49 50 #define AUDIOCTL "/dev/audioctl0" 51 #define OLD_AUDIOCTL "/dev/audioctl" 52 53 struct field *findfield __P((char *name)); 54 void prfield __P((struct field *p, char *sep)); 55 void rdfield __P((struct field *p, char *q)); 56 void getinfo __P((int fd)); 57 void usage __P((void)); 58 int main __P((int argc, char **argv)); 59 60 FILE *out = stdout; 61 62 char *prog; 63 64 audio_device_t adev; 65 66 audio_info_t info; 67 68 char encbuf[1000]; 69 70 int properties, fullduplex, rerror; 71 72 struct field { 73 char *name; 74 void *valp; 75 int format; 76 #define STRING 1 77 #define INT 2 78 #define UINT 3 79 #define P_R 4 80 #define ULONG 5 /* XXX obsolete now */ 81 #define UCHAR 6 82 #define ENC 7 83 #define PROPS 8 84 #define XINT 9 85 #define FORMAT 10 86 char flags; 87 #define READONLY 1 88 #define ALIAS 2 89 #define SET 4 90 } fields[] = { 91 { "name", &adev.name, STRING, READONLY }, 92 { "version", &adev.version, STRING, READONLY }, 93 { "config", &adev.config, STRING, READONLY }, 94 { "encodings", encbuf, STRING, READONLY }, 95 { "properties", &properties, PROPS, READONLY }, 96 { "full_duplex", &fullduplex, UINT, 0 }, 97 { "fullduplex", &fullduplex, UINT, 0 }, 98 { "blocksize", &info.blocksize, UINT, 0 }, 99 { "hiwat", &info.hiwat, UINT, 0 }, 100 { "lowat", &info.lowat, UINT, 0 }, 101 { "monitor_gain", &info.monitor_gain, UINT, 0 }, 102 { "mode", &info.mode, P_R, READONLY }, 103 { "play", &info.play, FORMAT, ALIAS }, 104 { "play.rate", &info.play.sample_rate, UINT, 0 }, 105 { "play.sample_rate", &info.play.sample_rate, UINT, ALIAS }, 106 { "play.channels", &info.play.channels, UINT, 0 }, 107 { "play.precision", &info.play.precision, UINT, 0 }, 108 { "play.encoding", &info.play.encoding, ENC, 0 }, 109 { "play.gain", &info.play.gain, UINT, 0 }, 110 { "play.balance", &info.play.balance, UCHAR, 0 }, 111 { "play.port", &info.play.port, XINT, 0 }, 112 { "play.avail_ports", &info.play.avail_ports, XINT, 0 }, 113 { "play.seek", &info.play.seek, UINT, READONLY }, 114 { "play.samples", &info.play.samples, UINT, READONLY }, 115 { "play.eof", &info.play.eof, UINT, READONLY }, 116 { "play.pause", &info.play.pause, UCHAR, 0 }, 117 { "play.error", &info.play.error, UCHAR, READONLY }, 118 { "play.waiting", &info.play.waiting, UCHAR, READONLY }, 119 { "play.open", &info.play.open, UCHAR, READONLY }, 120 { "play.active", &info.play.active, UCHAR, READONLY }, 121 { "play.buffer_size", &info.play.buffer_size, UINT, 0 }, 122 { "record", &info.record, FORMAT, ALIAS }, 123 { "record.rate", &info.record.sample_rate,UINT, 0 }, 124 { "record.sample_rate", &info.record.sample_rate,UINT, ALIAS }, 125 { "record.channels", &info.record.channels, UINT, 0 }, 126 { "record.precision", &info.record.precision, UINT, 0 }, 127 { "record.encoding", &info.record.encoding, ENC, 0 }, 128 { "record.gain", &info.record.gain, UINT, 0 }, 129 { "record.balance", &info.record.balance, UCHAR, 0 }, 130 { "record.port", &info.record.port, XINT, 0 }, 131 { "record.avail_ports", &info.record.avail_ports,XINT, 0 }, 132 { "record.seek", &info.record.seek, UINT, READONLY }, 133 { "record.samples", &info.record.samples, UINT, READONLY }, 134 { "record.eof", &info.record.eof, UINT, READONLY }, 135 { "record.pause", &info.record.pause, UCHAR, 0 }, 136 { "record.error", &info.record.error, UCHAR, READONLY }, 137 { "record.waiting", &info.record.waiting, UCHAR, READONLY }, 138 { "record.open", &info.record.open, UCHAR, READONLY }, 139 { "record.active", &info.record.active, UCHAR, READONLY }, 140 { "record.buffer_size", &info.record.buffer_size,UINT, 0 }, 141 { "record.errors", &rerror, INT, READONLY }, 142 { 0 } 143 }; 144 145 struct { 146 char *ename; 147 int eno; 148 } encs[] = { 149 { AudioEmulaw, AUDIO_ENCODING_ULAW }, 150 { "ulaw", AUDIO_ENCODING_ULAW }, 151 { AudioEalaw, AUDIO_ENCODING_ALAW }, 152 { AudioEslinear, AUDIO_ENCODING_SLINEAR }, 153 { "linear", AUDIO_ENCODING_SLINEAR }, 154 { AudioEulinear, AUDIO_ENCODING_ULINEAR }, 155 { AudioEadpcm, AUDIO_ENCODING_ADPCM }, 156 { "ADPCM", AUDIO_ENCODING_ADPCM }, 157 { AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE }, 158 { "linear_le", AUDIO_ENCODING_SLINEAR_LE }, 159 { AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE }, 160 { AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE }, 161 { "linear_be", AUDIO_ENCODING_SLINEAR_BE }, 162 { AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE }, 163 { AudioEmpeg_l1_stream, AUDIO_ENCODING_MPEG_L1_STREAM }, 164 { AudioEmpeg_l1_packets,AUDIO_ENCODING_MPEG_L1_PACKETS }, 165 { AudioEmpeg_l1_system, AUDIO_ENCODING_MPEG_L1_SYSTEM }, 166 { AudioEmpeg_l2_stream, AUDIO_ENCODING_MPEG_L2_STREAM }, 167 { AudioEmpeg_l2_packets,AUDIO_ENCODING_MPEG_L2_PACKETS }, 168 { AudioEmpeg_l2_system, AUDIO_ENCODING_MPEG_L2_SYSTEM }, 169 { 0 } 170 }; 171 172 static struct { 173 char *name; 174 u_int prop; 175 } props[] = { 176 { "full_duplex", AUDIO_PROP_FULLDUPLEX }, 177 { "mmap", AUDIO_PROP_MMAP }, 178 { "independent", AUDIO_PROP_INDEPENDENT }, 179 { 0 } 180 }; 181 182 struct field * 183 findfield(name) 184 char *name; 185 { 186 int i; 187 for(i = 0; fields[i].name; i++) 188 if (strcmp(fields[i].name, name) == 0) 189 return &fields[i]; 190 return 0; 191 } 192 193 void 194 prfield(p, sep) 195 struct field *p; 196 char *sep; 197 { 198 u_int v; 199 char *cm; 200 int i; 201 202 if (sep) 203 fprintf(out, "%s%s", p->name, sep); 204 switch(p->format) { 205 case STRING: 206 fprintf(out, "%s", (char*)p->valp); 207 break; 208 case INT: 209 fprintf(out, "%d", *(int*)p->valp); 210 break; 211 case UINT: 212 fprintf(out, "%u", *(u_int*)p->valp); 213 break; 214 case XINT: 215 fprintf(out, "0x%x", *(u_int*)p->valp); 216 break; 217 case UCHAR: 218 fprintf(out, "%u", *(u_char*)p->valp); 219 break; 220 case ULONG: 221 fprintf(out, "%lu", *(u_long*)p->valp); 222 break; 223 case P_R: 224 v = *(u_int*)p->valp; 225 cm = ""; 226 if (v & AUMODE_PLAY) { 227 if (v & AUMODE_PLAY_ALL) 228 fprintf(out, "play"); 229 else 230 fprintf(out, "playsync"); 231 cm = ","; 232 } 233 if (v & AUMODE_RECORD) 234 fprintf(out, "%srecord", cm); 235 break; 236 case ENC: 237 v = *(u_int*)p->valp; 238 for(i = 0; encs[i].ename; i++) 239 if (encs[i].eno == v) 240 break; 241 if (encs[i].ename) 242 fprintf(out, "%s", encs[i].ename); 243 else 244 fprintf(out, "%u", v); 245 break; 246 case PROPS: 247 v = *(u_int*)p->valp; 248 for (cm = "", i = 0; props[i].name; i++) { 249 if (v & props[i].prop) { 250 fprintf(out, "%s%s", cm, props[i].name); 251 cm = ","; 252 } 253 } 254 break; 255 case FORMAT: 256 prfield(p + 1, 0); 257 fprintf(out, ","); 258 prfield(p + 3, 0); 259 fprintf(out, ","); 260 prfield(p + 4, 0); 261 fprintf(out, ","); 262 prfield(p + 5, 0); 263 break; 264 default: 265 errx(1, "Invalid print format."); 266 } 267 } 268 269 void 270 rdfield(p, q) 271 struct field *p; 272 char *q; 273 { 274 int i; 275 u_int u; 276 char *s; 277 278 switch(p->format) { 279 case UINT: 280 if (sscanf(q, "%u", (unsigned int *)p->valp) != 1) 281 errx(1, "Bad number: %s", q); 282 break; 283 case UCHAR: 284 if (sscanf(q, "%u", &u) != 1) 285 errx(1, "Bad number: %s", q); 286 else 287 *(u_char *)p->valp = u; 288 break; 289 case XINT: 290 if (sscanf(q, "0x%x", (unsigned int *)p->valp) != 1 && 291 sscanf(q, "%x", (unsigned int *)p->valp) != 1) 292 errx(1, "Bad number: %s", q); 293 break; 294 case ENC: 295 for(i = 0; encs[i].ename; i++) 296 if (strcmp(encs[i].ename, q) == 0) 297 break; 298 if (encs[i].ename) 299 *(u_int*)p->valp = encs[i].eno; 300 else 301 errx(1, "Unknown encoding: %s", q); 302 break; 303 case FORMAT: 304 s = strsep(&q, ","); 305 if (s) 306 rdfield(p + 1, s); 307 s = strsep(&q, ","); 308 if (s) 309 rdfield(p + 3, s); 310 s = strsep(&q, ","); 311 if (s) 312 rdfield(p + 4, s); 313 s = strsep(&q, ","); 314 if (s) 315 rdfield(p + 5, s); 316 if (!s || q) 317 errx(1, "Bad format"); 318 break; 319 default: 320 errx(1, "Invalid read format."); 321 } 322 p->flags |= SET; 323 } 324 325 void 326 getinfo(fd) 327 int fd; 328 { 329 int pos, i; 330 331 if (ioctl(fd, AUDIO_GETDEV, &adev) < 0) 332 err(1, "AUDIO_GETDEV"); 333 for (pos = 0, i = 0; ; i++) { 334 audio_encoding_t enc; 335 enc.index = i; 336 if (ioctl(fd, AUDIO_GETENC, &enc) < 0) 337 break; 338 if (pos >= sizeof(encbuf)-1) 339 break; 340 if (pos) 341 encbuf[pos++] = ','; 342 if (pos >= sizeof(encbuf)-1) 343 break; 344 pos += snprintf(encbuf+pos, sizeof(encbuf)-pos, "%s:%d%s", 345 enc.name, enc.precision, 346 enc.flags & AUDIO_ENCODINGFLAG_EMULATED ? "*" : ""); 347 } 348 if (ioctl(fd, AUDIO_GETFD, &fullduplex) < 0) 349 err(1, "AUDIO_GETFD"); 350 if (ioctl(fd, AUDIO_GETPROPS, &properties) < 0) 351 err(1, "AUDIO_GETPROPS"); 352 if (ioctl(fd, AUDIO_RERROR, &rerror) < 0) 353 err(1, "AUDIO_RERROR"); 354 if (ioctl(fd, AUDIO_GETINFO, &info) < 0) 355 err(1, "AUDIO_GETINFO"); 356 } 357 358 void 359 usage() 360 { 361 fprintf(out, "%s [-f file] [-n] name ...\n", prog); 362 fprintf(out, "%s [-f file] [-n] -w name=value ...\n", prog); 363 fprintf(out, "%s [-f file] [-n] -a\n", prog); 364 exit(1); 365 } 366 367 int 368 main(argc, argv) 369 int argc; 370 char **argv; 371 { 372 int fd, i, ch; 373 int aflag = 0, wflag = 0; 374 struct stat dstat, ostat; 375 const char *file; 376 char *sep = "="; 377 378 file = getenv("AUDIOCTLDEVICE"); 379 if (file == 0) 380 file = AUDIOCTL; 381 382 prog = *argv; 383 384 while ((ch = getopt(argc, argv, "af:nw")) != -1) { 385 switch(ch) { 386 case 'a': 387 aflag++; 388 break; 389 case 'w': 390 wflag++; 391 break; 392 case 'n': 393 sep = 0; 394 break; 395 case 'f': 396 file = optarg; 397 break; 398 case '?': 399 default: 400 usage(); 401 } 402 } 403 argc -= optind; 404 argv += optind; 405 406 fd = open(file, O_WRONLY); 407 if (fd < 0) 408 fd = open(file, O_RDONLY); 409 #ifdef OLD_AUDIOCTL 410 /* Allow the non-unit device to be used. */ 411 if (fd < 0 && file == AUDIOCTL) { 412 file = OLD_AUDIOCTL; 413 fd = open(file, O_WRONLY); 414 if (fd < 0) 415 fd = open(file, O_RDONLY); 416 } 417 #endif 418 if (fd < 0) 419 err(1, "%s", file); 420 421 /* Check if stdout is the same device as the audio device. */ 422 if (fstat(fd, &dstat) < 0) 423 err(1, "fstat au"); 424 if (fstat(STDOUT_FILENO, &ostat) < 0) 425 err(1, "fstat stdout"); 426 if (S_ISCHR(dstat.st_mode) && S_ISCHR(ostat.st_mode) && 427 major(dstat.st_dev) == major(ostat.st_dev) && 428 minor(dstat.st_dev) == minor(ostat.st_dev)) 429 /* We can't write to stdout so use stderr */ 430 out = stderr; 431 432 if (!wflag) 433 getinfo(fd); 434 435 if (argc == 0 && aflag && !wflag) { 436 for(i = 0; fields[i].name; i++) { 437 if (!(fields[i].flags & ALIAS)) { 438 prfield(&fields[i], sep); 439 fprintf(out, "\n"); 440 } 441 } 442 } else if (argc > 0 && !aflag) { 443 struct field *p; 444 if (wflag) { 445 AUDIO_INITINFO(&info); 446 while(argc--) { 447 char *q; 448 449 q = strchr(*argv, '='); 450 if (q) { 451 *q++ = 0; 452 p = findfield(*argv); 453 if (p == 0) 454 warnx("field `%s' does not exist", *argv); 455 else { 456 if (p->flags & READONLY) 457 warnx("`%s' is read only", *argv); 458 else { 459 rdfield(p, q); 460 if (p->valp == &fullduplex) 461 if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0) 462 err(1, "set failed"); 463 } 464 } 465 } else 466 warnx("No `=' in %s", *argv); 467 argv++; 468 } 469 if (ioctl(fd, AUDIO_SETINFO, &info) < 0) 470 err(1, "set failed"); 471 if (sep) { 472 getinfo(fd); 473 for(i = 0; fields[i].name; i++) { 474 if (fields[i].flags & SET) { 475 fprintf(out, "%s: -> ", fields[i].name); 476 prfield(&fields[i], 0); 477 fprintf(out, "\n"); 478 } 479 } 480 } 481 } else { 482 while(argc--) { 483 p = findfield(*argv); 484 if (p == 0) { 485 if (strchr(*argv, '=')) 486 warnx("field %s does not exist (use -w to set a variable)", *argv); 487 else 488 warnx("field %s does not exist", *argv); 489 } else { 490 prfield(p, sep); 491 fprintf(out, "\n"); 492 } 493 argv++; 494 } 495 } 496 } else 497 usage(); 498 exit(0); 499 } 500
Indexes created Thu Sep 25 08:09:54 GMT 2025