ctl.c revision 1.11
1 /* $NetBSD: ctl.c,v 1.11 1997/10/11 13:40:26 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 <fcntl.h> 40 #include <err.h> 41 #include <unistd.h> 42 #include <string.h> 43 #include <sys/types.h> 44 #include <sys/stat.h> 45 #include <sys/ioctl.h> 46 #include <sys/audioio.h> 47 48 struct field *findfield __P((char *name)); 49 void prfield __P((struct field *p, char *sep)); 50 void rdfield __P((struct field *p, char *q)); 51 void getinfo __P((int fd)); 52 void usage __P((void)); 53 int main __P((int argc, char **argv)); 54 55 FILE *out = stdout; 56 57 char *prog; 58 59 audio_device_t adev; 60 61 audio_info_t info; 62 63 char encbuf[1000]; 64 65 int properties, fullduplex, rerror; 66 67 struct field { 68 char *name; 69 void *valp; 70 int format; 71 #define STRING 1 72 #define INT 2 73 #define UINT 3 74 #define P_R 4 75 #define ULONG 5 76 #define UCHAR 6 77 #define ENC 7 78 #define PROPS 8 79 char flags; 80 #define READONLY 1 81 #define ALIAS 2 82 #define SET 4 83 } fields[] = { 84 { "name", &adev.name, STRING, READONLY }, 85 { "version", &adev.version, STRING, READONLY }, 86 { "config", &adev.config, STRING, READONLY }, 87 { "encodings", encbuf, STRING, READONLY }, 88 { "properties", &properties, PROPS, READONLY }, 89 { "full_duplex", &fullduplex, INT, 0 }, 90 { "buffersize", &info.buffersize, UINT, 0 }, 91 { "blocksize", &info.blocksize, UINT, 0 }, 92 { "hiwat", &info.hiwat, UINT, 0 }, 93 { "lowat", &info.lowat, UINT, 0 }, 94 { "backlog", &info.backlog, UINT, 0 }, 95 { "mode", &info.mode, P_R, READONLY }, 96 { "play.rate", &info.play.sample_rate, UINT, 0 }, 97 { "play.sample_rate", &info.play.sample_rate, UINT, ALIAS }, 98 { "play.channels", &info.play.channels, UINT, 0 }, 99 { "play.precision", &info.play.precision, UINT, 0 }, 100 { "play.encoding", &info.play.encoding, ENC, 0 }, 101 { "play.gain", &info.play.gain, UINT, 0 }, 102 { "play.port", &info.play.port, UINT, 0 }, 103 { "play.seek", &info.play.seek, ULONG, READONLY }, 104 { "play.samples", &info.play.samples, UINT, READONLY }, 105 { "play.eof", &info.play.eof, UINT, READONLY }, 106 { "play.pause", &info.play.pause, UCHAR, 0 }, 107 { "play.error", &info.play.error, UCHAR, READONLY }, 108 { "play.waiting", &info.play.waiting, UCHAR, READONLY }, 109 { "play.open", &info.play.open, UCHAR, READONLY }, 110 { "play.active", &info.play.active, UCHAR, READONLY }, 111 { "record.rate", &info.record.sample_rate,UINT, 0 }, 112 { "record.sample_rate", &info.record.sample_rate,UINT, ALIAS }, 113 { "record.channels", &info.record.channels, UINT, 0 }, 114 { "record.precision", &info.record.precision, UINT, 0 }, 115 { "record.encoding", &info.record.encoding, ENC, 0 }, 116 { "record.gain", &info.record.gain, UINT, 0 }, 117 { "record.port", &info.record.port, UINT, 0 }, 118 { "record.seek", &info.record.seek, ULONG, READONLY }, 119 { "record.samples", &info.record.samples, UINT, READONLY }, 120 { "record.eof", &info.record.eof, UINT, READONLY }, 121 { "record.pause", &info.record.pause, UCHAR, 0 }, 122 { "record.error", &info.record.error, UCHAR, READONLY }, 123 { "record.waiting", &info.record.waiting, UCHAR, READONLY }, 124 { "record.open", &info.record.open, UCHAR, READONLY }, 125 { "record.active", &info.record.active, UCHAR, READONLY }, 126 { "record.errors", &rerror, INT, READONLY }, 127 { 0 } 128 }; 129 130 struct { 131 char *ename; 132 int eno; 133 } encs[] = { 134 { "ulaw", AUDIO_ENCODING_ULAW }, 135 { "mulaw", AUDIO_ENCODING_ULAW }, 136 { "alaw", AUDIO_ENCODING_ALAW }, 137 { "slinear", AUDIO_ENCODING_SLINEAR }, 138 { "linear", AUDIO_ENCODING_SLINEAR }, 139 { "ulinear", AUDIO_ENCODING_ULINEAR }, 140 { "adpcm", AUDIO_ENCODING_ADPCM }, 141 { "ADPCM", AUDIO_ENCODING_ADPCM }, 142 { "slinear_le", AUDIO_ENCODING_SLINEAR_LE }, 143 { "linear_le", AUDIO_ENCODING_SLINEAR_LE }, 144 { "ulinear_le", AUDIO_ENCODING_ULINEAR_LE }, 145 { "slinear_be", AUDIO_ENCODING_SLINEAR_BE }, 146 { "linear_be", AUDIO_ENCODING_SLINEAR_BE }, 147 { "ulinear_be", AUDIO_ENCODING_ULINEAR_BE }, 148 { 0 } 149 }; 150 151 static struct { 152 char *name; 153 u_int prop; 154 } props[] = { 155 { "full_duplex", AUDIO_PROP_FULLDUPLEX }, 156 { "mmap", AUDIO_PROP_MMAP }, 157 { "independent", AUDIO_PROP_INDEPENDENT }, 158 { 0 } 159 }; 160 161 struct field * 162 findfield(name) 163 char *name; 164 { 165 int i; 166 for(i = 0; fields[i].name; i++) 167 if (strcmp(fields[i].name, name) == 0) 168 return &fields[i]; 169 return 0; 170 } 171 172 void 173 prfield(p, sep) 174 struct field *p; 175 char *sep; 176 { 177 u_int v; 178 char *cm; 179 int i; 180 181 if (sep) 182 fprintf(out, "%s%s", p->name, sep); 183 switch(p->format) { 184 case STRING: 185 fprintf(out, "%s", (char*)p->valp); 186 break; 187 case INT: 188 fprintf(out, "%d", *(int*)p->valp); 189 break; 190 case UINT: 191 fprintf(out, "%u", *(u_int*)p->valp); 192 break; 193 case UCHAR: 194 fprintf(out, "%u", *(u_char*)p->valp); 195 break; 196 case ULONG: 197 fprintf(out, "%lu", *(u_long*)p->valp); 198 break; 199 case P_R: 200 v = *(u_int*)p->valp; 201 cm = ""; 202 if (v & AUMODE_PLAY) { 203 if (v & AUMODE_PLAY_ALL) 204 fprintf(out, "play"); 205 else 206 fprintf(out, "playsync"); 207 cm = ","; 208 } 209 if (v & AUMODE_RECORD) 210 fprintf(out, "%srecord", cm); 211 break; 212 case ENC: 213 v = *(u_int*)p->valp; 214 for(i = 0; encs[i].ename; i++) 215 if (encs[i].eno == v) 216 break; 217 if (encs[i].ename) 218 fprintf(out, "%s", encs[i].ename); 219 else 220 fprintf(out, "%u", v); 221 break; 222 case PROPS: 223 v = *(u_int*)p->valp; 224 for (cm = "", i = 0; props[i].name; i++) { 225 if (v & props[i].prop) { 226 fprintf(out, "%s%s", cm, props[i].name); 227 cm = ","; 228 } 229 } 230 break; 231 default: 232 errx(1, "Invalid format."); 233 } 234 } 235 236 void 237 rdfield(p, q) 238 struct field *p; 239 char *q; 240 { 241 int i; 242 243 switch(p->format) { 244 case UINT: 245 if (sscanf(q, "%u", (unsigned int *)p->valp) != 1) 246 warnx("Bad number %s", q); 247 break; 248 case ENC: 249 for(i = 0; encs[i].ename; i++) 250 if (strcmp(encs[i].ename, q) == 0) 251 break; 252 if (encs[i].ename) 253 *(u_int*)p->valp = encs[i].eno; 254 else 255 warnx("Unknown encoding: %s", q); 256 break; 257 default: 258 errx(1, "Invalid format."); 259 } 260 p->flags |= SET; 261 } 262 263 void 264 getinfo(fd) 265 int fd; 266 { 267 int pos, i; 268 269 if (ioctl(fd, AUDIO_GETDEV, &adev) < 0) 270 err(1, "AUDIO_GETDEV"); 271 for(pos = 0, i = 0; ; i++) { 272 audio_encoding_t enc; 273 enc.index = i; 274 if (ioctl(fd, AUDIO_GETENC, &enc) < 0) 275 break; 276 if (pos) 277 encbuf[pos++] = ','; 278 sprintf(encbuf+pos, "%s:%d%s", enc.name, 279 enc.precision, 280 enc.flags & AUDIO_ENCODINGFLAG_EMULATED ? "*" : ""); 281 pos += strlen(encbuf+pos); 282 } 283 if (ioctl(fd, AUDIO_GETFD, &fullduplex) < 0) 284 err(1, "AUDIO_GETFD"); 285 if (ioctl(fd, AUDIO_GETPROPS, &properties) < 0) 286 err(1, "AUDIO_GETPROPS"); 287 if (ioctl(fd, AUDIO_RERROR, &rerror) < 0) 288 err(1, "AUDIO_RERROR"); 289 if (ioctl(fd, AUDIO_GETINFO, &info) < 0) 290 err(1, "AUDIO_GETINFO"); 291 } 292 293 void 294 usage() 295 { 296 fprintf(out, "%s [-f file] [-n] name ...\n", prog); 297 fprintf(out, "%s [-f file] [-n] -w name=value ...\n", prog); 298 fprintf(out, "%s [-f file] [-n] -a\n", prog); 299 exit(1); 300 } 301 302 int 303 main(argc, argv) 304 int argc; 305 char **argv; 306 { 307 int fd, i, ch; 308 int aflag = 0, wflag = 0; 309 struct stat dstat, ostat; 310 char *file = "/dev/audioctl"; 311 char *sep = "="; 312 313 prog = *argv; 314 315 while ((ch = getopt(argc, argv, "af:nw")) != -1) { 316 switch(ch) { 317 case 'a': 318 aflag++; 319 break; 320 case 'w': 321 wflag++; 322 break; 323 case 'n': 324 sep = 0; 325 break; 326 case 'f': 327 file = optarg; 328 break; 329 case '?': 330 default: 331 usage(); 332 } 333 } 334 argc -= optind; 335 argv += optind; 336 337 fd = open(file, O_WRONLY); 338 if (fd < 0) 339 fd = open(file, O_RDONLY); 340 if (fd < 0) 341 err(1, "%s", file); 342 343 /* Check if stdout is the same device as the audio device. */ 344 if (fstat(fd, &dstat) < 0) 345 err(1, "fstat au"); 346 if (fstat(STDOUT_FILENO, &ostat) < 0) 347 err(1, "fstat stdout"); 348 if (S_ISCHR(dstat.st_mode) && S_ISCHR(ostat.st_mode) && 349 major(dstat.st_dev) == major(ostat.st_dev) && 350 minor(dstat.st_dev) == minor(ostat.st_dev)) 351 /* We can't write to stdout so use stderr */ 352 out = stderr; 353 354 if (!wflag) 355 getinfo(fd); 356 357 if (argc == 0 && aflag && !wflag) { 358 for(i = 0; fields[i].name; i++) { 359 if (!(fields[i].flags & ALIAS)) { 360 prfield(&fields[i], sep); 361 fprintf(out, "\n"); 362 } 363 } 364 } else if (argc > 0 && !aflag) { 365 struct field *p; 366 if (wflag) { 367 AUDIO_INITINFO(&info); 368 while(argc--) { 369 char *q; 370 371 q = strchr(*argv, '='); 372 if (q) { 373 *q++ = 0; 374 p = findfield(*argv); 375 if (p == 0) 376 warnx("field `%s' does not exist", *argv); 377 else { 378 if (p->flags & READONLY) 379 warnx("`%s' is read only", *argv); 380 else { 381 rdfield(p, q); 382 if (p->valp == &fullduplex) 383 if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0) 384 err(1, "set failed"); 385 } 386 } 387 } else 388 warnx("No `=' in %s", *argv); 389 argv++; 390 } 391 if (ioctl(fd, AUDIO_SETINFO, &info) < 0) 392 err(1, "set failed"); 393 if (sep) { 394 getinfo(fd); 395 for(i = 0; fields[i].name; i++) { 396 if (fields[i].flags & SET) { 397 fprintf(out, "%s: -> ", fields[i].name); 398 prfield(&fields[i], 0); 399 fprintf(out, "\n"); 400 } 401 } 402 } 403 } else { 404 while(argc--) { 405 p = findfield(*argv); 406 if (p == 0) { 407 if (strchr(*argv, '=')) 408 warnx("field %s does not exist (use -w to set a variable)", *argv); 409 else 410 warnx("field %s does not exist", *argv); 411 } else { 412 prfield(p, sep); 413 fprintf(out, "\n"); 414 } 415 argv++; 416 } 417 } 418 } else 419 usage(); 420 exit(0); 421 } 422
Indexes created Fri Sep 26 20:09:58 GMT 2025