ctl.c revision 1.9
1 /* $NetBSD: ctl.c,v 1.9 1997/10/07 13:55:03 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 REGENTS OR CONTRIBUTORS BE 29 * 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 struct field * 152 findfield(name) 153 char *name; 154 { 155 int i; 156 for(i = 0; fields[i].name; i++) 157 if (strcmp(fields[i].name, name) == 0) 158 return &fields[i]; 159 return 0; 160 } 161 162 void 163 prfield(p, sep) 164 struct field *p; 165 char *sep; 166 { 167 u_int v; 168 char *cm; 169 int i; 170 171 if (sep) 172 fprintf(out, "%s%s", p->name, sep); 173 switch(p->format) { 174 case STRING: 175 fprintf(out, "%s", (char*)p->valp); 176 break; 177 case INT: 178 fprintf(out, "%d", *(int*)p->valp); 179 break; 180 case UINT: 181 fprintf(out, "%u", *(u_int*)p->valp); 182 break; 183 case UCHAR: 184 fprintf(out, "%u", *(u_char*)p->valp); 185 break; 186 case ULONG: 187 fprintf(out, "%lu", *(u_long*)p->valp); 188 break; 189 case P_R: 190 v = *(u_int*)p->valp; 191 cm = ""; 192 if (v & AUMODE_PLAY) { 193 if (v & AUMODE_PLAY_ALL) 194 fprintf(out, "play"); 195 else 196 fprintf(out, "playsync"); 197 cm = ","; 198 } 199 if (v & AUMODE_RECORD) 200 fprintf(out, "%srecord", cm); 201 break; 202 case ENC: 203 v = *(u_int*)p->valp; 204 for(i = 0; encs[i].ename; i++) 205 if (encs[i].eno == v) 206 break; 207 if (encs[i].ename) 208 fprintf(out, "%s", encs[i].ename); 209 else 210 fprintf(out, "%u", v); 211 break; 212 case PROPS: 213 v = *(u_int*)p->valp; 214 cm = ""; 215 if (v & AUDIO_PROP_FULLDUPLEX) { 216 fprintf(out, "%sfull_duplex", cm); 217 cm = ","; 218 } 219 if (v & AUDIO_PROP_MMAP) { 220 fprintf(out, "%smmap", cm); 221 cm = ","; 222 } 223 break; 224 default: 225 errx(1, "Invalid format."); 226 } 227 } 228 229 void 230 rdfield(p, q) 231 struct field *p; 232 char *q; 233 { 234 int i; 235 236 switch(p->format) { 237 case UINT: 238 if (sscanf(q, "%u", (unsigned int *)p->valp) != 1) 239 warnx("Bad number %s", q); 240 break; 241 case ENC: 242 for(i = 0; encs[i].ename; i++) 243 if (strcmp(encs[i].ename, q) == 0) 244 break; 245 if (encs[i].ename) 246 *(u_int*)p->valp = encs[i].eno; 247 else 248 warnx("Unknown encoding: %s", q); 249 break; 250 default: 251 errx(1, "Invalid format."); 252 } 253 p->flags |= SET; 254 } 255 256 void 257 getinfo(fd) 258 int fd; 259 { 260 int pos, i; 261 262 if (ioctl(fd, AUDIO_GETDEV, &adev) < 0) 263 err(1, "AUDIO_GETDEV"); 264 for(pos = 0, i = 0; ; i++) { 265 audio_encoding_t enc; 266 enc.index = i; 267 if (ioctl(fd, AUDIO_GETENC, &enc) < 0) 268 break; 269 if (pos) 270 encbuf[pos++] = ','; 271 sprintf(encbuf+pos, "%s:%d%s", enc.name, 272 enc.precision, 273 enc.flags & AUDIO_ENCODINGFLAG_EMULATED ? "*" : ""); 274 pos += strlen(encbuf+pos); 275 } 276 if (ioctl(fd, AUDIO_GETFD, &fullduplex) < 0) 277 err(1, "AUDIO_GETFD"); 278 if (ioctl(fd, AUDIO_GETPROPS, &properties) < 0) 279 err(1, "AUDIO_GETPROPS"); 280 if (ioctl(fd, AUDIO_RERROR, &rerror) < 0) 281 err(1, "AUDIO_RERROR"); 282 if (ioctl(fd, AUDIO_GETINFO, &info) < 0) 283 err(1, "AUDIO_GETINFO"); 284 } 285 286 void 287 usage() 288 { 289 fprintf(out, "%s [-f file] [-n] name ...\n", prog); 290 fprintf(out, "%s [-f file] [-n] -w name=value ...\n", prog); 291 fprintf(out, "%s [-f file] [-n] -a\n", prog); 292 exit(1); 293 } 294 295 int 296 main(argc, argv) 297 int argc; 298 char **argv; 299 { 300 int fd, i, ch; 301 int aflag = 0, wflag = 0; 302 struct stat dstat, ostat; 303 char *file = "/dev/audioctl"; 304 char *sep = "="; 305 306 prog = *argv; 307 308 while ((ch = getopt(argc, argv, "af:nw")) != -1) { 309 switch(ch) { 310 case 'a': 311 aflag++; 312 break; 313 case 'w': 314 wflag++; 315 break; 316 case 'n': 317 sep = 0; 318 break; 319 case 'f': 320 file = optarg; 321 break; 322 case '?': 323 default: 324 usage(); 325 } 326 } 327 argc -= optind; 328 argv += optind; 329 330 fd = open(file, O_WRONLY); 331 if (fd < 0) 332 fd = open(file, O_RDONLY); 333 if (fd < 0) 334 err(1, "%s", file); 335 336 /* Check if stdout is the same device as the audio device. */ 337 if (fstat(fd, &dstat) < 0) 338 err(1, "fstat au"); 339 if (fstat(STDOUT_FILENO, &ostat) < 0) 340 err(1, "fstat stdout"); 341 if (S_ISCHR(dstat.st_mode) && S_ISCHR(ostat.st_mode) && 342 major(dstat.st_dev) == major(ostat.st_dev) && 343 minor(dstat.st_dev) == minor(ostat.st_dev)) 344 /* We can't write to stdout so use stderr */ 345 out = stderr; 346 347 if (!wflag) 348 getinfo(fd); 349 350 if (argc == 0 && aflag && !wflag) { 351 for(i = 0; fields[i].name; i++) { 352 if (!(fields[i].flags & ALIAS)) { 353 prfield(&fields[i], sep); 354 fprintf(out, "\n"); 355 } 356 } 357 } else if (argc > 0 && !aflag) { 358 struct field *p; 359 if (wflag) { 360 AUDIO_INITINFO(&info); 361 while(argc--) { 362 char *q; 363 364 q = strchr(*argv, '='); 365 if (q) { 366 *q++ = 0; 367 p = findfield(*argv); 368 if (p == 0) 369 warnx("field `%s' does not exist", *argv); 370 else { 371 if (p->flags & READONLY) 372 warnx("`%s' is read only", *argv); 373 else { 374 rdfield(p, q); 375 if (p->valp == &fullduplex) 376 if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0) 377 err(1, "set failed"); 378 } 379 } 380 } else 381 warnx("No `=' in %s", *argv); 382 argv++; 383 } 384 if (ioctl(fd, AUDIO_SETINFO, &info) < 0) 385 err(1, "set failed"); 386 if (sep) { 387 getinfo(fd); 388 for(i = 0; fields[i].name; i++) { 389 if (fields[i].flags & SET) { 390 fprintf(out, "%s: -> ", fields[i].name); 391 prfield(&fields[i], 0); 392 fprintf(out, "\n"); 393 } 394 } 395 } 396 } else { 397 while(argc--) { 398 p = findfield(*argv); 399 if (p == 0) { 400 if (strchr(*argv, '=')) 401 warnx("field %s does not exist (use -w to set a variable)", *argv); 402 else 403 warnx("field %s does not exist", *argv); 404 } else { 405 prfield(p, sep); 406 fprintf(out, "\n"); 407 } 408 argv++; 409 } 410 } 411 } else 412 usage(); 413 exit(0); 414 } 415
Indexes created Thu Sep 25 16:09:42 GMT 2025