ctl.c revision 1.8
1 /* $NetBSD: ctl.c,v 1.8 1997/08/25 19:03:12 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 FILE *out = stdout; 49 50 char *prog; 51 52 audio_device_t adev; 53 54 audio_info_t info; 55 56 char encbuf[1000]; 57 58 int properties, fullduplex, rerror; 59 60 struct field { 61 char *name; 62 void *valp; 63 int format; 64 #define STRING 1 65 #define INT 2 66 #define UINT 3 67 #define P_R 4 68 #define ULONG 5 69 #define UCHAR 6 70 #define ENC 7 71 #define PROPS 8 72 char flags; 73 #define READONLY 1 74 #define ALIAS 2 75 #define SET 4 76 } fields[] = { 77 { "name", &adev.name, STRING, READONLY }, 78 { "version", &adev.version, STRING, READONLY }, 79 { "config", &adev.config, STRING, READONLY }, 80 { "encodings", encbuf, STRING, READONLY }, 81 { "properties", &properties, PROPS, READONLY }, 82 { "full_duplex", &fullduplex, INT, 0 }, 83 { "buffersize", &info.buffersize, UINT, 0 }, 84 { "blocksize", &info.blocksize, UINT, 0 }, 85 { "hiwat", &info.hiwat, UINT, 0 }, 86 { "lowat", &info.lowat, UINT, 0 }, 87 { "backlog", &info.backlog, UINT, 0 }, 88 { "mode", &info.mode, P_R, READONLY }, 89 { "play.rate", &info.play.sample_rate, UINT, 0 }, 90 { "play.sample_rate", &info.play.sample_rate, UINT, ALIAS }, 91 { "play.channels", &info.play.channels, UINT, 0 }, 92 { "play.precision", &info.play.precision, UINT, 0 }, 93 { "play.encoding", &info.play.encoding, ENC, 0 }, 94 { "play.gain", &info.play.gain, UINT, 0 }, 95 { "play.port", &info.play.port, UINT, 0 }, 96 { "play.seek", &info.play.seek, ULONG, READONLY }, 97 { "play.samples", &info.play.samples, UINT, READONLY }, 98 { "play.eof", &info.play.eof, UINT, READONLY }, 99 { "play.pause", &info.play.pause, UCHAR, 0 }, 100 { "play.error", &info.play.error, UCHAR, READONLY }, 101 { "play.waiting", &info.play.waiting, UCHAR, READONLY }, 102 { "play.open", &info.play.open, UCHAR, READONLY }, 103 { "play.active", &info.play.active, UCHAR, READONLY }, 104 { "record.rate", &info.record.sample_rate,UINT, 0 }, 105 { "record.sample_rate", &info.record.sample_rate,UINT, ALIAS }, 106 { "record.channels", &info.record.channels, UINT, 0 }, 107 { "record.precision", &info.record.precision, UINT, 0 }, 108 { "record.encoding", &info.record.encoding, ENC, 0 }, 109 { "record.gain", &info.record.gain, UINT, 0 }, 110 { "record.port", &info.record.port, UINT, 0 }, 111 { "record.seek", &info.record.seek, ULONG, READONLY }, 112 { "record.samples", &info.record.samples, UINT, READONLY }, 113 { "record.eof", &info.record.eof, UINT, READONLY }, 114 { "record.pause", &info.record.pause, UCHAR, 0 }, 115 { "record.error", &info.record.error, UCHAR, READONLY }, 116 { "record.waiting", &info.record.waiting, UCHAR, READONLY }, 117 { "record.open", &info.record.open, UCHAR, READONLY }, 118 { "record.active", &info.record.active, UCHAR, READONLY }, 119 { "record.errors", &rerror, INT, READONLY }, 120 { 0 } 121 }; 122 123 struct { 124 char *ename; 125 int eno; 126 } encs[] = { 127 { "ulaw", AUDIO_ENCODING_ULAW }, 128 { "mulaw", AUDIO_ENCODING_ULAW }, 129 { "alaw", AUDIO_ENCODING_ALAW }, 130 { "slinear", AUDIO_ENCODING_SLINEAR }, 131 { "linear", AUDIO_ENCODING_SLINEAR }, 132 { "ulinear", AUDIO_ENCODING_ULINEAR }, 133 { "adpcm", AUDIO_ENCODING_ADPCM }, 134 { "ADPCM", AUDIO_ENCODING_ADPCM }, 135 { "slinear_le", AUDIO_ENCODING_SLINEAR_LE }, 136 { "linear_le", AUDIO_ENCODING_SLINEAR_LE }, 137 { "ulinear_le", AUDIO_ENCODING_ULINEAR_LE }, 138 { "slinear_be", AUDIO_ENCODING_SLINEAR_BE }, 139 { "linear_be", AUDIO_ENCODING_SLINEAR_BE }, 140 { "ulinear_be", AUDIO_ENCODING_ULINEAR_BE }, 141 { 0 } 142 }; 143 144 struct field * 145 findfield(char *name) 146 { 147 int i; 148 for(i = 0; fields[i].name; i++) 149 if (strcmp(fields[i].name, name) == 0) 150 return &fields[i]; 151 return 0; 152 } 153 154 void 155 prfield(struct field *p, char *sep) 156 { 157 u_int v; 158 char *cm; 159 int i; 160 161 if (sep) 162 fprintf(out, "%s%s", p->name, sep); 163 switch(p->format) { 164 case STRING: 165 fprintf(out, "%s", (char*)p->valp); 166 break; 167 case INT: 168 fprintf(out, "%d", *(int*)p->valp); 169 break; 170 case UINT: 171 fprintf(out, "%u", *(u_int*)p->valp); 172 break; 173 case UCHAR: 174 fprintf(out, "%u", *(u_char*)p->valp); 175 break; 176 case ULONG: 177 fprintf(out, "%lu", *(u_long*)p->valp); 178 break; 179 case P_R: 180 v = *(u_int*)p->valp; 181 cm = ""; 182 if (v & AUMODE_PLAY) { 183 if (v & AUMODE_PLAY_ALL) 184 fprintf(out, "play"); 185 else 186 fprintf(out, "playsync"); 187 cm = ","; 188 } 189 if (v & AUMODE_RECORD) 190 fprintf(out, "%srecord", cm); 191 break; 192 case ENC: 193 v = *(u_int*)p->valp; 194 for(i = 0; encs[i].ename; i++) 195 if (encs[i].eno == v) 196 break; 197 if (encs[i].ename) 198 fprintf(out, "%s", encs[i].ename); 199 else 200 fprintf(out, "%u", v); 201 break; 202 case PROPS: 203 v = *(u_int*)p->valp; 204 cm = ""; 205 if (v & AUDIO_PROP_FULLDUPLEX) { 206 fprintf(out, "%sfull_duplex", cm); 207 cm = ","; 208 } 209 if (v & AUDIO_PROP_MMAP) { 210 fprintf(out, "%smmap", cm); 211 cm = ","; 212 } 213 break; 214 default: 215 errx(1, "Invalid format."); 216 } 217 } 218 219 void 220 rdfield(struct field *p, char *q) 221 { 222 int i; 223 224 switch(p->format) { 225 case UINT: 226 if (sscanf(q, "%u", (unsigned int *)p->valp) != 1) 227 warnx("Bad number %s", q); 228 break; 229 case ENC: 230 for(i = 0; encs[i].ename; i++) 231 if (strcmp(encs[i].ename, q) == 0) 232 break; 233 if (encs[i].ename) 234 *(u_int*)p->valp = encs[i].eno; 235 else 236 warnx("Unknown encoding: %s", q); 237 break; 238 default: 239 errx(1, "Invalid format."); 240 } 241 p->flags |= SET; 242 } 243 244 void 245 getinfo(int fd) 246 { 247 int pos, i; 248 249 if (ioctl(fd, AUDIO_GETDEV, &adev) < 0) 250 err(1, NULL); 251 for(pos = 0, i = 0; ; i++) { 252 audio_encoding_t enc; 253 enc.index = i; 254 if (ioctl(fd, AUDIO_GETENC, &enc) < 0) 255 break; 256 if (pos) 257 encbuf[pos++] = ','; 258 sprintf(encbuf+pos, "%s:%d%s", enc.name, 259 enc.precision, 260 enc.flags & AUDIO_ENCODINGFLAG_EMULATED ? "*" : ""); 261 pos += strlen(encbuf+pos); 262 } 263 if (ioctl(fd, AUDIO_GETFD, &fullduplex) < 0) 264 err(1, NULL); 265 if (ioctl(fd, AUDIO_GETPROPS, &properties) < 0) 266 err(1, NULL); 267 if (ioctl(fd, AUDIO_RERROR, &rerror) < 0) 268 err(1, NULL); 269 if (ioctl(fd, AUDIO_GETINFO, &info) < 0) 270 err(1, NULL); 271 } 272 273 void 274 usage(void) 275 { 276 fprintf(out, "%s [-f file] [-n] name ...\n", prog); 277 fprintf(out, "%s [-f file] [-n] -w name=value ...\n", prog); 278 fprintf(out, "%s [-f file] [-n] -a\n", prog); 279 exit(1); 280 } 281 282 void 283 main(int argc, char **argv) 284 { 285 int fd, i, ch; 286 int aflag = 0, wflag = 0; 287 struct stat dstat, ostat; 288 char *file = "/dev/audioctl"; 289 char *sep = "="; 290 291 prog = *argv; 292 293 while ((ch = getopt(argc, argv, "af:nw")) != -1) { 294 switch(ch) { 295 case 'a': 296 aflag++; 297 break; 298 case 'w': 299 wflag++; 300 break; 301 case 'n': 302 sep = 0; 303 break; 304 case 'f': 305 file = optarg; 306 break; 307 case '?': 308 default: 309 usage(); 310 } 311 } 312 argc -= optind; 313 argv += optind; 314 315 fd = open(file, O_WRONLY); 316 if (fd < 0) 317 fd = open(file, O_RDONLY); 318 if (fd < 0) 319 err(1, "%s", file); 320 321 /* Check if stdout is the same device as the audio device. */ 322 if (fstat(fd, &dstat) < 0) 323 err(1, NULL); 324 if (fstat(STDOUT_FILENO, &ostat) < 0) 325 err(1, NULL); 326 if (S_ISCHR(dstat.st_mode) && S_ISCHR(ostat.st_mode) && 327 major(dstat.st_dev) == major(ostat.st_dev) && 328 minor(dstat.st_dev) == minor(ostat.st_dev)) 329 /* We can't write to stdout so use stderr */ 330 out = stderr; 331 332 if (!wflag) 333 getinfo(fd); 334 335 if (argc == 0 && aflag && !wflag) { 336 for(i = 0; fields[i].name; i++) { 337 if (!(fields[i].flags & ALIAS)) { 338 prfield(&fields[i], sep); 339 fprintf(out, "\n"); 340 } 341 } 342 } else if (argc > 0 && !aflag) { 343 struct field *p; 344 if (wflag) { 345 AUDIO_INITINFO(&info); 346 while(argc--) { 347 char *q; 348 349 q = strchr(*argv, '='); 350 if (q) { 351 *q++ = 0; 352 p = findfield(*argv); 353 if (p == 0) 354 warnx("field `%s' does not exist", *argv); 355 else { 356 if (p->flags & READONLY) 357 warnx("`%s' is read only", *argv); 358 else { 359 rdfield(p, q); 360 if (p->valp == &fullduplex) 361 if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0) 362 err(1, "set failed"); 363 } 364 } 365 } else 366 warnx("No `=' in %s", *argv); 367 argv++; 368 } 369 if (ioctl(fd, AUDIO_SETINFO, &info) < 0) 370 err(1, "set failed"); 371 if (sep) { 372 getinfo(fd); 373 for(i = 0; fields[i].name; i++) { 374 if (fields[i].flags & SET) { 375 fprintf(out, "%s: -> ", fields[i].name); 376 prfield(&fields[i], 0); 377 fprintf(out, "\n"); 378 } 379 } 380 } 381 } else { 382 while(argc--) { 383 p = findfield(*argv); 384 if (p == 0) { 385 if (strchr(*argv, '=')) 386 warnx("field %s does not exist (use -w to set a variable)", *argv); 387 else 388 warnx("field %s does not exist", *argv); 389 } else { 390 prfield(p, sep); 391 fprintf(out, "\n"); 392 } 393 argv++; 394 } 395 } 396 } else 397 usage(); 398 exit(0); 399 } 400
Indexes created Thu Sep 25 16:09:42 GMT 2025