ctl.c revision 1.15
1 /* $NetBSD: ctl.c,v 1.15 1998/07/13 15:11:03 augustss 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 char flags; 82 #define READONLY 1 83 #define ALIAS 2 84 #define SET 4 85 } fields[] = { 86 { "name", &adev.name, STRING, READONLY }, 87 { "version", &adev.version, STRING, READONLY }, 88 { "config", &adev.config, STRING, READONLY }, 89 { "encodings", encbuf, STRING, READONLY }, 90 { "properties", &properties, PROPS, READONLY }, 91 { "full_duplex", &fullduplex, UINT, 0 }, 92 { "fullduplex", &fullduplex, UINT, 0 }, 93 { "blocksize", &info.blocksize, UINT, 0 }, 94 { "hiwat", &info.hiwat, UINT, 0 }, 95 { "lowat", &info.lowat, UINT, 0 }, 96 { "monitor_gain", &info.monitor_gain, UINT, 0 }, 97 { "mode", &info.mode, P_R, READONLY }, 98 { "play.rate", &info.play.sample_rate, UINT, 0 }, 99 { "play.sample_rate", &info.play.sample_rate, UINT, ALIAS }, 100 { "play.channels", &info.play.channels, UINT, 0 }, 101 { "play.precision", &info.play.precision, UINT, 0 }, 102 { "play.encoding", &info.play.encoding, ENC, 0 }, 103 { "play.gain", &info.play.gain, UINT, 0 }, 104 { "play.balance", &info.play.balance, UCHAR, 0 }, 105 { "play.port", &info.play.port, XINT, 0 }, 106 { "play.avail_ports", &info.play.avail_ports, XINT, 0 }, 107 { "play.seek", &info.play.seek, ULONG, READONLY }, 108 { "play.samples", &info.play.samples, UINT, READONLY }, 109 { "play.eof", &info.play.eof, UINT, READONLY }, 110 { "play.pause", &info.play.pause, UCHAR, 0 }, 111 { "play.error", &info.play.error, UCHAR, READONLY }, 112 { "play.waiting", &info.play.waiting, UCHAR, READONLY }, 113 { "play.open", &info.play.open, UCHAR, READONLY }, 114 { "play.active", &info.play.active, UCHAR, READONLY }, 115 { "play.buffer_size", &info.play.buffer_size, UINT, 0 }, 116 { "record.rate", &info.record.sample_rate,UINT, 0 }, 117 { "record.sample_rate", &info.record.sample_rate,UINT, ALIAS }, 118 { "record.channels", &info.record.channels, UINT, 0 }, 119 { "record.precision", &info.record.precision, UINT, 0 }, 120 { "record.encoding", &info.record.encoding, ENC, 0 }, 121 { "record.gain", &info.record.gain, UINT, 0 }, 122 { "record.balance", &info.record.balance, UCHAR, 0 }, 123 { "record.port", &info.record.port, XINT, 0 }, 124 { "record.avail_ports", &info.record.avail_ports,XINT, 0 }, 125 { "record.seek", &info.record.seek, ULONG, READONLY }, 126 { "record.samples", &info.record.samples, UINT, READONLY }, 127 { "record.eof", &info.record.eof, UINT, READONLY }, 128 { "record.pause", &info.record.pause, UCHAR, 0 }, 129 { "record.error", &info.record.error, UCHAR, READONLY }, 130 { "record.waiting", &info.record.waiting, UCHAR, READONLY }, 131 { "record.open", &info.record.open, UCHAR, READONLY }, 132 { "record.active", &info.record.active, UCHAR, READONLY }, 133 { "record.buffer_size", &info.record.buffer_size,UINT, 0 }, 134 { "record.errors", &rerror, INT, READONLY }, 135 { 0 } 136 }; 137 138 struct { 139 char *ename; 140 int eno; 141 } encs[] = { 142 { AudioEmulaw, AUDIO_ENCODING_ULAW }, 143 { "ulaw", AUDIO_ENCODING_ULAW }, 144 { AudioEalaw, AUDIO_ENCODING_ALAW }, 145 { AudioEslinear, AUDIO_ENCODING_SLINEAR }, 146 { "linear", AUDIO_ENCODING_SLINEAR }, 147 { AudioEulinear, AUDIO_ENCODING_ULINEAR }, 148 { AudioEadpcm, AUDIO_ENCODING_ADPCM }, 149 { "ADPCM", AUDIO_ENCODING_ADPCM }, 150 { AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE }, 151 { "linear_le", AUDIO_ENCODING_SLINEAR_LE }, 152 { AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE }, 153 { AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE }, 154 { "linear_be", AUDIO_ENCODING_SLINEAR_BE }, 155 { AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE }, 156 { AudioEmpeg_l1_stream, AUDIO_ENCODING_MPEG_L1_STREAM }, 157 { AudioEmpeg_l1_packets,AUDIO_ENCODING_MPEG_L1_PACKETS }, 158 { AudioEmpeg_l1_system, AUDIO_ENCODING_MPEG_L1_SYSTEM }, 159 { AudioEmpeg_l2_stream, AUDIO_ENCODING_MPEG_L2_STREAM }, 160 { AudioEmpeg_l2_packets,AUDIO_ENCODING_MPEG_L2_PACKETS }, 161 { AudioEmpeg_l2_system, AUDIO_ENCODING_MPEG_L2_SYSTEM }, 162 { 0 } 163 }; 164 165 static struct { 166 char *name; 167 u_int prop; 168 } props[] = { 169 { "full_duplex", AUDIO_PROP_FULLDUPLEX }, 170 { "mmap", AUDIO_PROP_MMAP }, 171 { "independent", AUDIO_PROP_INDEPENDENT }, 172 { 0 } 173 }; 174 175 struct field * 176 findfield(name) 177 char *name; 178 { 179 int i; 180 for(i = 0; fields[i].name; i++) 181 if (strcmp(fields[i].name, name) == 0) 182 return &fields[i]; 183 return 0; 184 } 185 186 void 187 prfield(p, sep) 188 struct field *p; 189 char *sep; 190 { 191 u_int v; 192 char *cm; 193 int i; 194 195 if (sep) 196 fprintf(out, "%s%s", p->name, sep); 197 switch(p->format) { 198 case STRING: 199 fprintf(out, "%s", (char*)p->valp); 200 break; 201 case INT: 202 fprintf(out, "%d", *(int*)p->valp); 203 break; 204 case UINT: 205 fprintf(out, "%u", *(u_int*)p->valp); 206 break; 207 case XINT: 208 fprintf(out, "0x%x", *(u_int*)p->valp); 209 break; 210 case UCHAR: 211 fprintf(out, "%u", *(u_char*)p->valp); 212 break; 213 case ULONG: 214 fprintf(out, "%lu", *(u_long*)p->valp); 215 break; 216 case P_R: 217 v = *(u_int*)p->valp; 218 cm = ""; 219 if (v & AUMODE_PLAY) { 220 if (v & AUMODE_PLAY_ALL) 221 fprintf(out, "play"); 222 else 223 fprintf(out, "playsync"); 224 cm = ","; 225 } 226 if (v & AUMODE_RECORD) 227 fprintf(out, "%srecord", cm); 228 break; 229 case ENC: 230 v = *(u_int*)p->valp; 231 for(i = 0; encs[i].ename; i++) 232 if (encs[i].eno == v) 233 break; 234 if (encs[i].ename) 235 fprintf(out, "%s", encs[i].ename); 236 else 237 fprintf(out, "%u", v); 238 break; 239 case PROPS: 240 v = *(u_int*)p->valp; 241 for (cm = "", i = 0; props[i].name; i++) { 242 if (v & props[i].prop) { 243 fprintf(out, "%s%s", cm, props[i].name); 244 cm = ","; 245 } 246 } 247 break; 248 default: 249 errx(1, "Invalid print format."); 250 } 251 } 252 253 void 254 rdfield(p, q) 255 struct field *p; 256 char *q; 257 { 258 int i; 259 u_int u; 260 261 switch(p->format) { 262 case UINT: 263 if (sscanf(q, "%u", (unsigned int *)p->valp) != 1) 264 warnx("Bad number %s", q); 265 break; 266 case UCHAR: 267 if (sscanf(q, "%u", &u) != 1) 268 warnx("Bad number %s", q); 269 else 270 *(u_char *)p->valp = u; 271 break; 272 case XINT: 273 if (sscanf(q, "0x%x", (unsigned int *)p->valp) != 1 && 274 sscanf(q, "%x", (unsigned int *)p->valp) != 1) 275 warnx("Bad number %s", q); 276 break; 277 case ENC: 278 for(i = 0; encs[i].ename; i++) 279 if (strcmp(encs[i].ename, q) == 0) 280 break; 281 if (encs[i].ename) 282 *(u_int*)p->valp = encs[i].eno; 283 else 284 warnx("Unknown encoding: %s", q); 285 break; 286 default: 287 errx(1, "Invalid read format."); 288 } 289 p->flags |= SET; 290 } 291 292 void 293 getinfo(fd) 294 int fd; 295 { 296 int pos, i; 297 298 if (ioctl(fd, AUDIO_GETDEV, &adev) < 0) 299 err(1, "AUDIO_GETDEV"); 300 for(pos = 0, i = 0; ; i++) { 301 audio_encoding_t enc; 302 enc.index = i; 303 if (ioctl(fd, AUDIO_GETENC, &enc) < 0) 304 break; 305 if (pos) 306 encbuf[pos++] = ','; 307 sprintf(encbuf+pos, "%s:%d%s", enc.name, 308 enc.precision, 309 enc.flags & AUDIO_ENCODINGFLAG_EMULATED ? "*" : ""); 310 pos += strlen(encbuf+pos); 311 } 312 if (ioctl(fd, AUDIO_GETFD, &fullduplex) < 0) 313 err(1, "AUDIO_GETFD"); 314 if (ioctl(fd, AUDIO_GETPROPS, &properties) < 0) 315 err(1, "AUDIO_GETPROPS"); 316 if (ioctl(fd, AUDIO_RERROR, &rerror) < 0) 317 err(1, "AUDIO_RERROR"); 318 if (ioctl(fd, AUDIO_GETINFO, &info) < 0) 319 err(1, "AUDIO_GETINFO"); 320 } 321 322 void 323 usage() 324 { 325 fprintf(out, "%s [-f file] [-n] name ...\n", prog); 326 fprintf(out, "%s [-f file] [-n] -w name=value ...\n", prog); 327 fprintf(out, "%s [-f file] [-n] -a\n", prog); 328 exit(1); 329 } 330 331 int 332 main(argc, argv) 333 int argc; 334 char **argv; 335 { 336 int fd, i, ch; 337 int aflag = 0, wflag = 0; 338 struct stat dstat, ostat; 339 char *file; 340 char *sep = "="; 341 342 file = getenv("AUDIOCTLDEVICE"); 343 if (file == 0) 344 file = "/dev/audioctl"; 345 346 prog = *argv; 347 348 while ((ch = getopt(argc, argv, "af:nw")) != -1) { 349 switch(ch) { 350 case 'a': 351 aflag++; 352 break; 353 case 'w': 354 wflag++; 355 break; 356 case 'n': 357 sep = 0; 358 break; 359 case 'f': 360 file = optarg; 361 break; 362 case '?': 363 default: 364 usage(); 365 } 366 } 367 argc -= optind; 368 argv += optind; 369 370 fd = open(file, O_WRONLY); 371 if (fd < 0) 372 fd = open(file, O_RDONLY); 373 if (fd < 0) 374 err(1, "%s", file); 375 376 /* Check if stdout is the same device as the audio device. */ 377 if (fstat(fd, &dstat) < 0) 378 err(1, "fstat au"); 379 if (fstat(STDOUT_FILENO, &ostat) < 0) 380 err(1, "fstat stdout"); 381 if (S_ISCHR(dstat.st_mode) && S_ISCHR(ostat.st_mode) && 382 major(dstat.st_dev) == major(ostat.st_dev) && 383 minor(dstat.st_dev) == minor(ostat.st_dev)) 384 /* We can't write to stdout so use stderr */ 385 out = stderr; 386 387 if (!wflag) 388 getinfo(fd); 389 390 if (argc == 0 && aflag && !wflag) { 391 for(i = 0; fields[i].name; i++) { 392 if (!(fields[i].flags & ALIAS)) { 393 prfield(&fields[i], sep); 394 fprintf(out, "\n"); 395 } 396 } 397 } else if (argc > 0 && !aflag) { 398 struct field *p; 399 if (wflag) { 400 AUDIO_INITINFO(&info); 401 while(argc--) { 402 char *q; 403 404 q = strchr(*argv, '='); 405 if (q) { 406 *q++ = 0; 407 p = findfield(*argv); 408 if (p == 0) 409 warnx("field `%s' does not exist", *argv); 410 else { 411 if (p->flags & READONLY) 412 warnx("`%s' is read only", *argv); 413 else { 414 rdfield(p, q); 415 if (p->valp == &fullduplex) 416 if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0) 417 err(1, "set failed"); 418 } 419 } 420 } else 421 warnx("No `=' in %s", *argv); 422 argv++; 423 } 424 if (ioctl(fd, AUDIO_SETINFO, &info) < 0) 425 err(1, "set failed"); 426 if (sep) { 427 getinfo(fd); 428 for(i = 0; fields[i].name; i++) { 429 if (fields[i].flags & SET) { 430 fprintf(out, "%s: -> ", fields[i].name); 431 prfield(&fields[i], 0); 432 fprintf(out, "\n"); 433 } 434 } 435 } 436 } else { 437 while(argc--) { 438 p = findfield(*argv); 439 if (p == 0) { 440 if (strchr(*argv, '=')) 441 warnx("field %s does not exist (use -w to set a variable)", *argv); 442 else 443 warnx("field %s does not exist", *argv); 444 } else { 445 prfield(p, sep); 446 fprintf(out, "\n"); 447 } 448 argv++; 449 } 450 } 451 } else 452 usage(); 453 exit(0); 454 } 455
Indexes created Fri Sep 26 08:10:20 GMT 2025