ctl.c revision 1.17
1 /* $NetBSD: ctl.c,v 1.17 1998/08/10 18:19:03 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Author: Lennart Augustsson 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <fcntl.h> 41 #include <err.h> 42 #include <unistd.h> 43 #include <string.h> 44 #include <sys/types.h> 45 #include <sys/stat.h> 46 #include <sys/ioctl.h> 47 #include <sys/audioio.h> 48 49 struct field *findfield __P((char *name)); 50 void prfield __P((struct field *p, char *sep)); 51 void rdfield __P((struct field *p, char *q)); 52 void getinfo __P((int fd)); 53 void usage __P((void)); 54 int main __P((int argc, char **argv)); 55 56 FILE *out = stdout; 57 58 char *prog; 59 60 audio_device_t adev; 61 62 audio_info_t info; 63 64 char encbuf[1000]; 65 66 int properties, fullduplex, rerror; 67 68 struct field { 69 char *name; 70 void *valp; 71 int format; 72 #define STRING 1 73 #define INT 2 74 #define UINT 3 75 #define P_R 4 76 #define ULONG 5 77 #define UCHAR 6 78 #define ENC 7 79 #define PROPS 8 80 #define XINT 9 81 #define FORMAT 10 82 char flags; 83 #define READONLY 1 84 #define ALIAS 2 85 #define SET 4 86 } fields[] = { 87 { "name", &adev.name, STRING, READONLY }, 88 { "version", &adev.version, STRING, READONLY }, 89 { "config", &adev.config, STRING, READONLY }, 90 { "encodings", encbuf, STRING, READONLY }, 91 { "properties", &properties, PROPS, READONLY }, 92 { "full_duplex", &fullduplex, UINT, 0 }, 93 { "fullduplex", &fullduplex, UINT, 0 }, 94 { "blocksize", &info.blocksize, UINT, 0 }, 95 { "hiwat", &info.hiwat, UINT, 0 }, 96 { "lowat", &info.lowat, UINT, 0 }, 97 { "monitor_gain", &info.monitor_gain, UINT, 0 }, 98 { "mode", &info.mode, P_R, READONLY }, 99 { "play", &info.play, FORMAT, ALIAS }, 100 { "play.rate", &info.play.sample_rate, UINT, 0 }, 101 { "play.sample_rate", &info.play.sample_rate, UINT, ALIAS }, 102 { "play.channels", &info.play.channels, UINT, 0 }, 103 { "play.precision", &info.play.precision, UINT, 0 }, 104 { "play.encoding", &info.play.encoding, ENC, 0 }, 105 { "play.gain", &info.play.gain, UINT, 0 }, 106 { "play.balance", &info.play.balance, UCHAR, 0 }, 107 { "play.port", &info.play.port, XINT, 0 }, 108 { "play.avail_ports", &info.play.avail_ports, XINT, 0 }, 109 { "play.seek", &info.play.seek, ULONG, READONLY }, 110 { "play.samples", &info.play.samples, UINT, READONLY }, 111 { "play.eof", &info.play.eof, UINT, READONLY }, 112 { "play.pause", &info.play.pause, UCHAR, 0 }, 113 { "play.error", &info.play.error, UCHAR, READONLY }, 114 { "play.waiting", &info.play.waiting, UCHAR, READONLY }, 115 { "play.open", &info.play.open, UCHAR, READONLY }, 116 { "play.active", &info.play.active, UCHAR, READONLY }, 117 { "play.buffer_size", &info.play.buffer_size, UINT, 0 }, 118 { "record", &info.record, FORMAT, ALIAS }, 119 { "record.rate", &info.record.sample_rate,UINT, 0 }, 120 { "record.sample_rate", &info.record.sample_rate,UINT, ALIAS }, 121 { "record.channels", &info.record.channels, UINT, 0 }, 122 { "record.precision", &info.record.precision, UINT, 0 }, 123 { "record.encoding", &info.record.encoding, ENC, 0 }, 124 { "record.gain", &info.record.gain, UINT, 0 }, 125 { "record.balance", &info.record.balance, UCHAR, 0 }, 126 { "record.port", &info.record.port, XINT, 0 }, 127 { "record.avail_ports", &info.record.avail_ports,XINT, 0 }, 128 { "record.seek", &info.record.seek, ULONG, READONLY }, 129 { "record.samples", &info.record.samples, UINT, READONLY }, 130 { "record.eof", &info.record.eof, UINT, READONLY }, 131 { "record.pause", &info.record.pause, UCHAR, 0 }, 132 { "record.error", &info.record.error, UCHAR, READONLY }, 133 { "record.waiting", &info.record.waiting, UCHAR, READONLY }, 134 { "record.open", &info.record.open, UCHAR, READONLY }, 135 { "record.active", &info.record.active, UCHAR, READONLY }, 136 { "record.buffer_size", &info.record.buffer_size,UINT, 0 }, 137 { "record.errors", &rerror, INT, READONLY }, 138 { 0 } 139 }; 140 141 struct { 142 char *ename; 143 int eno; 144 } encs[] = { 145 { AudioEmulaw, AUDIO_ENCODING_ULAW }, 146 { "ulaw", AUDIO_ENCODING_ULAW }, 147 { AudioEalaw, AUDIO_ENCODING_ALAW }, 148 { AudioEslinear, AUDIO_ENCODING_SLINEAR }, 149 { "linear", AUDIO_ENCODING_SLINEAR }, 150 { AudioEulinear, AUDIO_ENCODING_ULINEAR }, 151 { AudioEadpcm, AUDIO_ENCODING_ADPCM }, 152 { "ADPCM", AUDIO_ENCODING_ADPCM }, 153 { AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE }, 154 { "linear_le", AUDIO_ENCODING_SLINEAR_LE }, 155 { AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE }, 156 { AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE }, 157 { "linear_be", AUDIO_ENCODING_SLINEAR_BE }, 158 { AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE }, 159 { AudioEmpeg_l1_stream, AUDIO_ENCODING_MPEG_L1_STREAM }, 160 { AudioEmpeg_l1_packets,AUDIO_ENCODING_MPEG_L1_PACKETS }, 161 { AudioEmpeg_l1_system, AUDIO_ENCODING_MPEG_L1_SYSTEM }, 162 { AudioEmpeg_l2_stream, AUDIO_ENCODING_MPEG_L2_STREAM }, 163 { AudioEmpeg_l2_packets,AUDIO_ENCODING_MPEG_L2_PACKETS }, 164 { AudioEmpeg_l2_system, AUDIO_ENCODING_MPEG_L2_SYSTEM }, 165 { 0 } 166 }; 167 168 static struct { 169 char *name; 170 u_int prop; 171 } props[] = { 172 { "full_duplex", AUDIO_PROP_FULLDUPLEX }, 173 { "mmap", AUDIO_PROP_MMAP }, 174 { "independent", AUDIO_PROP_INDEPENDENT }, 175 { 0 } 176 }; 177 178 struct field * 179 findfield(name) 180 char *name; 181 { 182 int i; 183 for(i = 0; fields[i].name; i++) 184 if (strcmp(fields[i].name, name) == 0) 185 return &fields[i]; 186 return 0; 187 } 188 189 void 190 prfield(p, sep) 191 struct field *p; 192 char *sep; 193 { 194 u_int v; 195 char *cm; 196 int i; 197 198 if (sep) 199 fprintf(out, "%s%s", p->name, sep); 200 switch(p->format) { 201 case STRING: 202 fprintf(out, "%s", (char*)p->valp); 203 break; 204 case INT: 205 fprintf(out, "%d", *(int*)p->valp); 206 break; 207 case UINT: 208 fprintf(out, "%u", *(u_int*)p->valp); 209 break; 210 case XINT: 211 fprintf(out, "0x%x", *(u_int*)p->valp); 212 break; 213 case UCHAR: 214 fprintf(out, "%u", *(u_char*)p->valp); 215 break; 216 case ULONG: 217 fprintf(out, "%lu", *(u_long*)p->valp); 218 break; 219 case P_R: 220 v = *(u_int*)p->valp; 221 cm = ""; 222 if (v & AUMODE_PLAY) { 223 if (v & AUMODE_PLAY_ALL) 224 fprintf(out, "play"); 225 else 226 fprintf(out, "playsync"); 227 cm = ","; 228 } 229 if (v & AUMODE_RECORD) 230 fprintf(out, "%srecord", cm); 231 break; 232 case ENC: 233 v = *(u_int*)p->valp; 234 for(i = 0; encs[i].ename; i++) 235 if (encs[i].eno == v) 236 break; 237 if (encs[i].ename) 238 fprintf(out, "%s", encs[i].ename); 239 else 240 fprintf(out, "%u", v); 241 break; 242 case PROPS: 243 v = *(u_int*)p->valp; 244 for (cm = "", i = 0; props[i].name; i++) { 245 if (v & props[i].prop) { 246 fprintf(out, "%s%s", cm, props[i].name); 247 cm = ","; 248 } 249 } 250 break; 251 case FORMAT: 252 prfield(p + 1, 0); 253 fprintf(out, ","); 254 prfield(p + 3, 0); 255 fprintf(out, ","); 256 prfield(p + 4, 0); 257 fprintf(out, ","); 258 prfield(p + 5, 0); 259 break; 260 default: 261 errx(1, "Invalid print format."); 262 } 263 } 264 265 void 266 rdfield(p, q) 267 struct field *p; 268 char *q; 269 { 270 int i; 271 u_int u; 272 char *s; 273 274 switch(p->format) { 275 case UINT: 276 if (sscanf(q, "%u", (unsigned int *)p->valp) != 1) 277 errx(1, "Bad number: %s", q); 278 break; 279 case UCHAR: 280 if (sscanf(q, "%u", &u) != 1) 281 errx(1, "Bad number: %s", q); 282 else 283 *(u_char *)p->valp = u; 284 break; 285 case XINT: 286 if (sscanf(q, "0x%x", (unsigned int *)p->valp) != 1 && 287 sscanf(q, "%x", (unsigned int *)p->valp) != 1) 288 errx(1, "Bad number: %s", q); 289 break; 290 case ENC: 291 for(i = 0; encs[i].ename; i++) 292 if (strcmp(encs[i].ename, q) == 0) 293 break; 294 if (encs[i].ename) 295 *(u_int*)p->valp = encs[i].eno; 296 else 297 errx(1, "Unknown encoding: %s", q); 298 break; 299 case FORMAT: 300 s = strsep(&q, ","); 301 if (s) 302 rdfield(p + 1, s); 303 s = strsep(&q, ","); 304 if (s) 305 rdfield(p + 3, s); 306 s = strsep(&q, ","); 307 if (s) 308 rdfield(p + 4, s); 309 s = strsep(&q, ","); 310 if (s) 311 rdfield(p + 5, s); 312 if (!s || q) 313 errx(1, "Bad format"); 314 break; 315 default: 316 errx(1, "Invalid read format."); 317 } 318 p->flags |= SET; 319 } 320 321 void 322 getinfo(fd) 323 int fd; 324 { 325 int pos, i; 326 327 if (ioctl(fd, AUDIO_GETDEV, &adev) < 0) 328 err(1, "AUDIO_GETDEV"); 329 for (pos = 0, i = 0; ; i++) { 330 audio_encoding_t enc; 331 enc.index = i; 332 if (ioctl(fd, AUDIO_GETENC, &enc) < 0) 333 break; 334 if (pos >= sizeof(encbuf)-1) 335 break; 336 if (pos) 337 encbuf[pos++] = ','; 338 if (pos >= sizeof(encbuf)-1) 339 break; 340 pos += snprintf(encbuf+pos, sizeof(encbuf)-pos, "%s:%d%s", 341 enc.name, enc.precision, 342 enc.flags & AUDIO_ENCODINGFLAG_EMULATED ? "*" : ""); 343 } 344 if (ioctl(fd, AUDIO_GETFD, &fullduplex) < 0) 345 err(1, "AUDIO_GETFD"); 346 if (ioctl(fd, AUDIO_GETPROPS, &properties) < 0) 347 err(1, "AUDIO_GETPROPS"); 348 if (ioctl(fd, AUDIO_RERROR, &rerror) < 0) 349 err(1, "AUDIO_RERROR"); 350 if (ioctl(fd, AUDIO_GETINFO, &info) < 0) 351 err(1, "AUDIO_GETINFO"); 352 } 353 354 void 355 usage() 356 { 357 fprintf(out, "%s [-f file] [-n] name ...\n", prog); 358 fprintf(out, "%s [-f file] [-n] -w name=value ...\n", prog); 359 fprintf(out, "%s [-f file] [-n] -a\n", prog); 360 exit(1); 361 } 362 363 int 364 main(argc, argv) 365 int argc; 366 char **argv; 367 { 368 int fd, i, ch; 369 int aflag = 0, wflag = 0; 370 struct stat dstat, ostat; 371 const char *file; 372 char *sep = "="; 373 374 file = getenv("AUDIOCTLDEVICE"); 375 if (file == 0) 376 file = "/dev/audioctl"; 377 378 prog = *argv; 379 380 while ((ch = getopt(argc, argv, "af:nw")) != -1) { 381 switch(ch) { 382 case 'a': 383 aflag++; 384 break; 385 case 'w': 386 wflag++; 387 break; 388 case 'n': 389 sep = 0; 390 break; 391 case 'f': 392 file = optarg; 393 break; 394 case '?': 395 default: 396 usage(); 397 } 398 } 399 argc -= optind; 400 argv += optind; 401 402 fd = open(file, O_WRONLY); 403 if (fd < 0) 404 fd = open(file, O_RDONLY); 405 if (fd < 0) 406 err(1, "%s", file); 407 408 /* Check if stdout is the same device as the audio device. */ 409 if (fstat(fd, &dstat) < 0) 410 err(1, "fstat au"); 411 if (fstat(STDOUT_FILENO, &ostat) < 0) 412 err(1, "fstat stdout"); 413 if (S_ISCHR(dstat.st_mode) && S_ISCHR(ostat.st_mode) && 414 major(dstat.st_dev) == major(ostat.st_dev) && 415 minor(dstat.st_dev) == minor(ostat.st_dev)) 416 /* We can't write to stdout so use stderr */ 417 out = stderr; 418 419 if (!wflag) 420 getinfo(fd); 421 422 if (argc == 0 && aflag && !wflag) { 423 for(i = 0; fields[i].name; i++) { 424 if (!(fields[i].flags & ALIAS)) { 425 prfield(&fields[i], sep); 426 fprintf(out, "\n"); 427 } 428 } 429 } else if (argc > 0 && !aflag) { 430 struct field *p; 431 if (wflag) { 432 AUDIO_INITINFO(&info); 433 while(argc--) { 434 char *q; 435 436 q = strchr(*argv, '='); 437 if (q) { 438 *q++ = 0; 439 p = findfield(*argv); 440 if (p == 0) 441 warnx("field `%s' does not exist", *argv); 442 else { 443 if (p->flags & READONLY) 444 warnx("`%s' is read only", *argv); 445 else { 446 rdfield(p, q); 447 if (p->valp == &fullduplex) 448 if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0) 449 err(1, "set failed"); 450 } 451 } 452 } else 453 warnx("No `=' in %s", *argv); 454 argv++; 455 } 456 if (ioctl(fd, AUDIO_SETINFO, &info) < 0) 457 err(1, "set failed"); 458 if (sep) { 459 getinfo(fd); 460 for(i = 0; fields[i].name; i++) { 461 if (fields[i].flags & SET) { 462 fprintf(out, "%s: -> ", fields[i].name); 463 prfield(&fields[i], 0); 464 fprintf(out, "\n"); 465 } 466 } 467 } 468 } else { 469 while(argc--) { 470 p = findfield(*argv); 471 if (p == 0) { 472 if (strchr(*argv, '=')) 473 warnx("field %s does not exist (use -w to set a variable)", *argv); 474 else 475 warnx("field %s does not exist", *argv); 476 } else { 477 prfield(p, sep); 478 fprintf(out, "\n"); 479 } 480 argv++; 481 } 482 } 483 } else 484 usage(); 485 exit(0); 486 } 487
Indexes created Thu Sep 25 02:09:54 GMT 2025