ctl.c revision 1.14
1 /* $NetBSD: ctl.c,v 1.14 1998/04/27 16:55:23 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, INT, 0 }, 92 { "blocksize", &info.blocksize, UINT, 0 }, 93 { "hiwat", &info.hiwat, UINT, 0 }, 94 { "lowat", &info.lowat, UINT, 0 }, 95 { "monitor_gain", &info.monitor_gain, UINT, 0 }, 96 { "mode", &info.mode, P_R, READONLY }, 97 { "play.rate", &info.play.sample_rate, UINT, 0 }, 98 { "play.sample_rate", &info.play.sample_rate, UINT, ALIAS }, 99 { "play.channels", &info.play.channels, UINT, 0 }, 100 { "play.precision", &info.play.precision, UINT, 0 }, 101 { "play.encoding", &info.play.encoding, ENC, 0 }, 102 { "play.gain", &info.play.gain, UINT, 0 }, 103 { "play.balance", &info.play.balance, UCHAR, 0 }, 104 { "play.port", &info.play.port, XINT, 0 }, 105 { "play.avail_ports", &info.play.avail_ports, XINT, 0 }, 106 { "play.seek", &info.play.seek, ULONG, READONLY }, 107 { "play.samples", &info.play.samples, UINT, READONLY }, 108 { "play.eof", &info.play.eof, UINT, READONLY }, 109 { "play.pause", &info.play.pause, UCHAR, 0 }, 110 { "play.error", &info.play.error, UCHAR, READONLY }, 111 { "play.waiting", &info.play.waiting, UCHAR, READONLY }, 112 { "play.open", &info.play.open, UCHAR, READONLY }, 113 { "play.active", &info.play.active, UCHAR, READONLY }, 114 { "play.buffer_size", &info.play.buffer_size, UINT, 0 }, 115 { "record.rate", &info.record.sample_rate,UINT, 0 }, 116 { "record.sample_rate", &info.record.sample_rate,UINT, ALIAS }, 117 { "record.channels", &info.record.channels, UINT, 0 }, 118 { "record.precision", &info.record.precision, UINT, 0 }, 119 { "record.encoding", &info.record.encoding, ENC, 0 }, 120 { "record.gain", &info.record.gain, UINT, 0 }, 121 { "record.balance", &info.record.balance, UCHAR, 0 }, 122 { "record.port", &info.record.port, XINT, 0 }, 123 { "record.avail_ports", &info.record.avail_ports,XINT, 0 }, 124 { "record.seek", &info.record.seek, ULONG, READONLY }, 125 { "record.samples", &info.record.samples, UINT, READONLY }, 126 { "record.eof", &info.record.eof, UINT, READONLY }, 127 { "record.pause", &info.record.pause, UCHAR, 0 }, 128 { "record.error", &info.record.error, UCHAR, READONLY }, 129 { "record.waiting", &info.record.waiting, UCHAR, READONLY }, 130 { "record.open", &info.record.open, UCHAR, READONLY }, 131 { "record.active", &info.record.active, UCHAR, READONLY }, 132 { "record.buffer_size", &info.record.buffer_size,UINT, 0 }, 133 { "record.errors", &rerror, INT, READONLY }, 134 { 0 } 135 }; 136 137 struct { 138 char *ename; 139 int eno; 140 } encs[] = { 141 { AudioEmulaw, AUDIO_ENCODING_ULAW }, 142 { "ulaw", AUDIO_ENCODING_ULAW }, 143 { AudioEalaw, AUDIO_ENCODING_ALAW }, 144 { AudioEslinear, AUDIO_ENCODING_SLINEAR }, 145 { "linear", AUDIO_ENCODING_SLINEAR }, 146 { AudioEulinear, AUDIO_ENCODING_ULINEAR }, 147 { AudioEadpcm, AUDIO_ENCODING_ADPCM }, 148 { "ADPCM", AUDIO_ENCODING_ADPCM }, 149 { AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE }, 150 { "linear_le", AUDIO_ENCODING_SLINEAR_LE }, 151 { AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE }, 152 { AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE }, 153 { "linear_be", AUDIO_ENCODING_SLINEAR_BE }, 154 { AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE }, 155 { AudioEmpeg_l1_stream, AUDIO_ENCODING_MPEG_L1_STREAM }, 156 { AudioEmpeg_l1_packets,AUDIO_ENCODING_MPEG_L1_PACKETS }, 157 { AudioEmpeg_l1_system, AUDIO_ENCODING_MPEG_L1_SYSTEM }, 158 { AudioEmpeg_l2_stream, AUDIO_ENCODING_MPEG_L2_STREAM }, 159 { AudioEmpeg_l2_packets,AUDIO_ENCODING_MPEG_L2_PACKETS }, 160 { AudioEmpeg_l2_system, AUDIO_ENCODING_MPEG_L2_SYSTEM }, 161 { 0 } 162 }; 163 164 static struct { 165 char *name; 166 u_int prop; 167 } props[] = { 168 { "full_duplex", AUDIO_PROP_FULLDUPLEX }, 169 { "mmap", AUDIO_PROP_MMAP }, 170 { "independent", AUDIO_PROP_INDEPENDENT }, 171 { 0 } 172 }; 173 174 struct field * 175 findfield(name) 176 char *name; 177 { 178 int i; 179 for(i = 0; fields[i].name; i++) 180 if (strcmp(fields[i].name, name) == 0) 181 return &fields[i]; 182 return 0; 183 } 184 185 void 186 prfield(p, sep) 187 struct field *p; 188 char *sep; 189 { 190 u_int v; 191 char *cm; 192 int i; 193 194 if (sep) 195 fprintf(out, "%s%s", p->name, sep); 196 switch(p->format) { 197 case STRING: 198 fprintf(out, "%s", (char*)p->valp); 199 break; 200 case INT: 201 fprintf(out, "%d", *(int*)p->valp); 202 break; 203 case UINT: 204 fprintf(out, "%u", *(u_int*)p->valp); 205 break; 206 case XINT: 207 fprintf(out, "0x%x", *(u_int*)p->valp); 208 break; 209 case UCHAR: 210 fprintf(out, "%u", *(u_char*)p->valp); 211 break; 212 case ULONG: 213 fprintf(out, "%lu", *(u_long*)p->valp); 214 break; 215 case P_R: 216 v = *(u_int*)p->valp; 217 cm = ""; 218 if (v & AUMODE_PLAY) { 219 if (v & AUMODE_PLAY_ALL) 220 fprintf(out, "play"); 221 else 222 fprintf(out, "playsync"); 223 cm = ","; 224 } 225 if (v & AUMODE_RECORD) 226 fprintf(out, "%srecord", cm); 227 break; 228 case ENC: 229 v = *(u_int*)p->valp; 230 for(i = 0; encs[i].ename; i++) 231 if (encs[i].eno == v) 232 break; 233 if (encs[i].ename) 234 fprintf(out, "%s", encs[i].ename); 235 else 236 fprintf(out, "%u", v); 237 break; 238 case PROPS: 239 v = *(u_int*)p->valp; 240 for (cm = "", i = 0; props[i].name; i++) { 241 if (v & props[i].prop) { 242 fprintf(out, "%s%s", cm, props[i].name); 243 cm = ","; 244 } 245 } 246 break; 247 default: 248 errx(1, "Invalid print format."); 249 } 250 } 251 252 void 253 rdfield(p, q) 254 struct field *p; 255 char *q; 256 { 257 int i; 258 u_int u; 259 260 switch(p->format) { 261 case UINT: 262 if (sscanf(q, "%u", (unsigned int *)p->valp) != 1) 263 warnx("Bad number %s", q); 264 break; 265 case UCHAR: 266 if (sscanf(q, "%u", &u) != 1) 267 warnx("Bad number %s", q); 268 else 269 *(u_char *)p->valp = u; 270 break; 271 case XINT: 272 if (sscanf(q, "0x%x", (unsigned int *)p->valp) != 1 && 273 sscanf(q, "%x", (unsigned int *)p->valp) != 1) 274 warnx("Bad number %s", q); 275 break; 276 case ENC: 277 for(i = 0; encs[i].ename; i++) 278 if (strcmp(encs[i].ename, q) == 0) 279 break; 280 if (encs[i].ename) 281 *(u_int*)p->valp = encs[i].eno; 282 else 283 warnx("Unknown encoding: %s", q); 284 break; 285 default: 286 errx(1, "Invalid read format."); 287 } 288 p->flags |= SET; 289 } 290 291 void 292 getinfo(fd) 293 int fd; 294 { 295 int pos, i; 296 297 if (ioctl(fd, AUDIO_GETDEV, &adev) < 0) 298 err(1, "AUDIO_GETDEV"); 299 for(pos = 0, i = 0; ; i++) { 300 audio_encoding_t enc; 301 enc.index = i; 302 if (ioctl(fd, AUDIO_GETENC, &enc) < 0) 303 break; 304 if (pos) 305 encbuf[pos++] = ','; 306 sprintf(encbuf+pos, "%s:%d%s", enc.name, 307 enc.precision, 308 enc.flags & AUDIO_ENCODINGFLAG_EMULATED ? "*" : ""); 309 pos += strlen(encbuf+pos); 310 } 311 if (ioctl(fd, AUDIO_GETFD, &fullduplex) < 0) 312 err(1, "AUDIO_GETFD"); 313 if (ioctl(fd, AUDIO_GETPROPS, &properties) < 0) 314 err(1, "AUDIO_GETPROPS"); 315 if (ioctl(fd, AUDIO_RERROR, &rerror) < 0) 316 err(1, "AUDIO_RERROR"); 317 if (ioctl(fd, AUDIO_GETINFO, &info) < 0) 318 err(1, "AUDIO_GETINFO"); 319 } 320 321 void 322 usage() 323 { 324 fprintf(out, "%s [-f file] [-n] name ...\n", prog); 325 fprintf(out, "%s [-f file] [-n] -w name=value ...\n", prog); 326 fprintf(out, "%s [-f file] [-n] -a\n", prog); 327 exit(1); 328 } 329 330 int 331 main(argc, argv) 332 int argc; 333 char **argv; 334 { 335 int fd, i, ch; 336 int aflag = 0, wflag = 0; 337 struct stat dstat, ostat; 338 char *file; 339 char *sep = "="; 340 341 file = getenv("AUDIOCTLDEVICE"); 342 if (file == 0) 343 file = "/dev/audioctl"; 344 345 prog = *argv; 346 347 while ((ch = getopt(argc, argv, "af:nw")) != -1) { 348 switch(ch) { 349 case 'a': 350 aflag++; 351 break; 352 case 'w': 353 wflag++; 354 break; 355 case 'n': 356 sep = 0; 357 break; 358 case 'f': 359 file = optarg; 360 break; 361 case '?': 362 default: 363 usage(); 364 } 365 } 366 argc -= optind; 367 argv += optind; 368 369 fd = open(file, O_WRONLY); 370 if (fd < 0) 371 fd = open(file, O_RDONLY); 372 if (fd < 0) 373 err(1, "%s", file); 374 375 /* Check if stdout is the same device as the audio device. */ 376 if (fstat(fd, &dstat) < 0) 377 err(1, "fstat au"); 378 if (fstat(STDOUT_FILENO, &ostat) < 0) 379 err(1, "fstat stdout"); 380 if (S_ISCHR(dstat.st_mode) && S_ISCHR(ostat.st_mode) && 381 major(dstat.st_dev) == major(ostat.st_dev) && 382 minor(dstat.st_dev) == minor(ostat.st_dev)) 383 /* We can't write to stdout so use stderr */ 384 out = stderr; 385 386 if (!wflag) 387 getinfo(fd); 388 389 if (argc == 0 && aflag && !wflag) { 390 for(i = 0; fields[i].name; i++) { 391 if (!(fields[i].flags & ALIAS)) { 392 prfield(&fields[i], sep); 393 fprintf(out, "\n"); 394 } 395 } 396 } else if (argc > 0 && !aflag) { 397 struct field *p; 398 if (wflag) { 399 AUDIO_INITINFO(&info); 400 while(argc--) { 401 char *q; 402 403 q = strchr(*argv, '='); 404 if (q) { 405 *q++ = 0; 406 p = findfield(*argv); 407 if (p == 0) 408 warnx("field `%s' does not exist", *argv); 409 else { 410 if (p->flags & READONLY) 411 warnx("`%s' is read only", *argv); 412 else { 413 rdfield(p, q); 414 if (p->valp == &fullduplex) 415 if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0) 416 err(1, "set failed"); 417 } 418 } 419 } else 420 warnx("No `=' in %s", *argv); 421 argv++; 422 } 423 if (ioctl(fd, AUDIO_SETINFO, &info) < 0) 424 err(1, "set failed"); 425 if (sep) { 426 getinfo(fd); 427 for(i = 0; fields[i].name; i++) { 428 if (fields[i].flags & SET) { 429 fprintf(out, "%s: -> ", fields[i].name); 430 prfield(&fields[i], 0); 431 fprintf(out, "\n"); 432 } 433 } 434 } 435 } else { 436 while(argc--) { 437 p = findfield(*argv); 438 if (p == 0) { 439 if (strchr(*argv, '=')) 440 warnx("field %s does not exist (use -w to set a variable)", *argv); 441 else 442 warnx("field %s does not exist", *argv); 443 } else { 444 prfield(p, sep); 445 fprintf(out, "\n"); 446 } 447 argv++; 448 } 449 } 450 } else 451 usage(); 452 exit(0); 453 } 454
Indexes created Thu Sep 25 02:09:54 GMT 2025