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1.8 ! naddy 1: /* $OpenBSD: audioctl.c,v 1.7 2002/12/10 09:03:37 pvalchev Exp $ */
1.3 provos 2: /* $NetBSD: audioctl.c,v 1.14 1998/04/27 16:55:23 augustss Exp $ */
1.1 provos 3:
4: /*
5: * Copyright (c) 1997 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * Author: Lennart Augustsson
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the NetBSD
21: * Foundation, Inc. and its contributors.
22: * 4. Neither the name of The NetBSD Foundation nor the names of its
23: * contributors may be used to endorse or promote products derived
24: * from this software without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36: * POSSIBILITY OF SUCH DAMAGE.
37: */
38:
1.7 pvalchev 39: /*
40: * audioctl(1) - a program to control audio device.
41: */
42:
1.1 provos 43: #include <stdio.h>
1.3 provos 44: #include <stdlib.h>
1.1 provos 45: #include <fcntl.h>
46: #include <err.h>
47: #include <unistd.h>
48: #include <string.h>
49: #include <sys/types.h>
50: #include <sys/stat.h>
51: #include <sys/ioctl.h>
52: #include <sys/audioio.h>
53:
1.6 millert 54: struct field *findfield(char *name);
55: void prfield(struct field *p, char *sep);
56: void rdfield(struct field *p, char *q);
57: void getinfo(int fd);
58: void usage(void);
59: int main(int argc, char **argv);
1.1 provos 60:
61: FILE *out = stdout;
62:
63: audio_device_t adev;
64:
65: audio_info_t info;
66:
67: char encbuf[1000];
68:
69: int properties, fullduplex, rerror;
70:
71: struct field {
72: char *name;
73: void *valp;
74: int format;
75: #define STRING 1
76: #define INT 2
77: #define UINT 3
78: #define P_R 4
79: #define ULONG 5
80: #define UCHAR 6
81: #define ENC 7
82: #define PROPS 8
83: #define XINT 9
84: char flags;
85: #define READONLY 1
86: #define ALIAS 2
87: #define SET 4
88: } fields[] = {
89: { "name", &adev.name, STRING, READONLY },
90: { "version", &adev.version, STRING, READONLY },
91: { "config", &adev.config, STRING, READONLY },
92: { "encodings", encbuf, STRING, READONLY },
93: { "properties", &properties, PROPS, READONLY },
1.4 deraadt 94: { "full_duplex", &fullduplex, UINT, 0 },
95: { "fullduplex", &fullduplex, UINT, 0 },
1.1 provos 96: { "blocksize", &info.blocksize, UINT, 0 },
97: { "hiwat", &info.hiwat, UINT, 0 },
98: { "lowat", &info.lowat, UINT, 0 },
99: { "monitor_gain", &info.monitor_gain, UINT, 0 },
100: { "mode", &info.mode, P_R, READONLY },
101: { "play.rate", &info.play.sample_rate, UINT, 0 },
102: { "play.sample_rate", &info.play.sample_rate, UINT, ALIAS },
103: { "play.channels", &info.play.channels, UINT, 0 },
104: { "play.precision", &info.play.precision, UINT, 0 },
105: { "play.encoding", &info.play.encoding, ENC, 0 },
106: { "play.gain", &info.play.gain, UINT, 0 },
107: { "play.balance", &info.play.balance, UCHAR, 0 },
108: { "play.port", &info.play.port, XINT, 0 },
109: { "play.avail_ports", &info.play.avail_ports, XINT, 0 },
1.8 ! naddy 110: { "play.seek", &info.play.seek, UINT, READONLY },
1.1 provos 111: { "play.samples", &info.play.samples, UINT, READONLY },
112: { "play.eof", &info.play.eof, UINT, READONLY },
113: { "play.pause", &info.play.pause, UCHAR, 0 },
114: { "play.error", &info.play.error, UCHAR, READONLY },
115: { "play.waiting", &info.play.waiting, UCHAR, READONLY },
116: { "play.open", &info.play.open, UCHAR, READONLY },
117: { "play.active", &info.play.active, UCHAR, READONLY },
118: { "play.buffer_size", &info.play.buffer_size, UINT, 0 },
119: { "record.rate", &info.record.sample_rate,UINT, 0 },
120: { "record.sample_rate", &info.record.sample_rate,UINT, ALIAS },
121: { "record.channels", &info.record.channels, UINT, 0 },
122: { "record.precision", &info.record.precision, UINT, 0 },
123: { "record.encoding", &info.record.encoding, ENC, 0 },
124: { "record.gain", &info.record.gain, UINT, 0 },
125: { "record.balance", &info.record.balance, UCHAR, 0 },
126: { "record.port", &info.record.port, XINT, 0 },
127: { "record.avail_ports", &info.record.avail_ports,XINT, 0 },
1.8 ! naddy 128: { "record.seek", &info.record.seek, UINT, READONLY },
1.1 provos 129: { "record.samples", &info.record.samples, UINT, READONLY },
130: { "record.eof", &info.record.eof, UINT, READONLY },
131: { "record.pause", &info.record.pause, UCHAR, 0 },
132: { "record.error", &info.record.error, UCHAR, READONLY },
133: { "record.waiting", &info.record.waiting, UCHAR, READONLY },
134: { "record.open", &info.record.open, UCHAR, READONLY },
135: { "record.active", &info.record.active, UCHAR, READONLY },
136: { "record.buffer_size", &info.record.buffer_size,UINT, 0 },
137: { "record.errors", &rerror, INT, READONLY },
138: { 0 }
139: };
140:
141: struct {
142: char *ename;
143: int eno;
144: } encs[] = {
145: { AudioEmulaw, AUDIO_ENCODING_ULAW },
146: { "ulaw", AUDIO_ENCODING_ULAW },
147: { AudioEalaw, AUDIO_ENCODING_ALAW },
148: { AudioEslinear, AUDIO_ENCODING_SLINEAR },
149: { "linear", AUDIO_ENCODING_SLINEAR },
150: { AudioEulinear, AUDIO_ENCODING_ULINEAR },
151: { AudioEadpcm, AUDIO_ENCODING_ADPCM },
152: { "ADPCM", AUDIO_ENCODING_ADPCM },
153: { AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE },
154: { "linear_le", AUDIO_ENCODING_SLINEAR_LE },
155: { AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE },
156: { AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE },
157: { "linear_be", AUDIO_ENCODING_SLINEAR_BE },
158: { AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE },
159: { AudioEmpeg_l1_stream, AUDIO_ENCODING_MPEG_L1_STREAM },
160: { AudioEmpeg_l1_packets,AUDIO_ENCODING_MPEG_L1_PACKETS },
161: { AudioEmpeg_l1_system, AUDIO_ENCODING_MPEG_L1_SYSTEM },
162: { AudioEmpeg_l2_stream, AUDIO_ENCODING_MPEG_L2_STREAM },
163: { AudioEmpeg_l2_packets,AUDIO_ENCODING_MPEG_L2_PACKETS },
164: { AudioEmpeg_l2_system, AUDIO_ENCODING_MPEG_L2_SYSTEM },
165: { 0 }
166: };
167:
168: static struct {
169: char *name;
170: u_int prop;
171: } props[] = {
172: { "full_duplex", AUDIO_PROP_FULLDUPLEX },
173: { "mmap", AUDIO_PROP_MMAP },
174: { "independent", AUDIO_PROP_INDEPENDENT },
175: { 0 }
176: };
177:
178: struct field *
1.7 pvalchev 179: findfield(char *name)
1.1 provos 180: {
181: int i;
182: for(i = 0; fields[i].name; i++)
183: if (strcmp(fields[i].name, name) == 0)
184: return &fields[i];
1.7 pvalchev 185: return (0);
1.1 provos 186: }
187:
188: void
1.7 pvalchev 189: prfield(struct field *p, char *sep)
1.1 provos 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
1.7 pvalchev 254: rdfield(struct field *p, char *q)
1.1 provos 255: {
256: int i;
257: u_int u;
258:
259: switch(p->format) {
260: case UINT:
261: if (sscanf(q, "%u", (unsigned int *)p->valp) != 1)
262: warnx("Bad number %s", q);
263: break;
264: case UCHAR:
265: if (sscanf(q, "%u", &u) != 1)
266: warnx("Bad number %s", q);
267: else
268: *(u_char *)p->valp = u;
269: break;
270: case XINT:
271: if (sscanf(q, "0x%x", (unsigned int *)p->valp) != 1 &&
272: sscanf(q, "%x", (unsigned int *)p->valp) != 1)
273: warnx("Bad number %s", q);
274: break;
275: case ENC:
276: for(i = 0; encs[i].ename; i++)
277: if (strcmp(encs[i].ename, q) == 0)
278: break;
279: if (encs[i].ename)
280: *(u_int*)p->valp = encs[i].eno;
281: else
282: warnx("Unknown encoding: %s", q);
283: break;
284: default:
285: errx(1, "Invalid read format.");
286: }
287: p->flags |= SET;
288: }
289:
290: void
1.7 pvalchev 291: getinfo(int fd)
1.1 provos 292: {
1.7 pvalchev 293: int pos = 0, i = 0;
1.1 provos 294:
295: if (ioctl(fd, AUDIO_GETDEV, &adev) < 0)
296: err(1, "AUDIO_GETDEV");
1.7 pvalchev 297: for(;;) {
298: audio_encoding_t enc;
299: enc.index = i++;
300: if (ioctl(fd, AUDIO_GETENC, &enc) < 0)
301: break;
302: if (pos)
303: encbuf[pos++] = ',';
304: pos += snprintf(encbuf+pos, sizeof(encbuf)-pos, "%s:%d%s",
305: enc.name, enc.precision,
306: enc.flags & AUDIO_ENCODINGFLAG_EMULATED ? "*" : "");
1.1 provos 307: }
308: if (ioctl(fd, AUDIO_GETFD, &fullduplex) < 0)
309: err(1, "AUDIO_GETFD");
310: if (ioctl(fd, AUDIO_GETPROPS, &properties) < 0)
311: err(1, "AUDIO_GETPROPS");
312: if (ioctl(fd, AUDIO_RERROR, &rerror) < 0)
313: err(1, "AUDIO_RERROR");
314: if (ioctl(fd, AUDIO_GETINFO, &info) < 0)
315: err(1, "AUDIO_GETINFO");
316: }
317:
318: void
1.7 pvalchev 319: usage(void)
1.1 provos 320: {
1.7 pvalchev 321: extern char *__progname; /* from crt0.o */
322:
323: fprintf(stderr,
324: "usage: %s [-f file] [-n] -a\n"
325: " %s [-f file] [-n] name [...]\n"
326: " %s [-f file] [-n] -w name=value [...]\n", __progname,
327: __progname, __progname);
328:
1.1 provos 329: exit(1);
330: }
331:
332: int
1.7 pvalchev 333: main(int argc, char **argv)
1.1 provos 334: {
335: int fd, i, ch;
336: int aflag = 0, wflag = 0;
337: struct stat dstat, ostat;
1.3 provos 338: char *file;
1.1 provos 339: char *sep = "=";
340:
1.7 pvalchev 341: if ((file = getenv("AUDIOCTLDEVICE")) == 0 || *file == '\0')
1.3 provos 342: file = "/dev/audioctl";
1.1 provos 343:
344: while ((ch = getopt(argc, argv, "af:nw")) != -1) {
345: switch(ch) {
346: case 'a':
347: aflag++;
348: break;
349: case 'w':
350: wflag++;
351: break;
352: case 'n':
353: sep = 0;
354: break;
355: case 'f':
356: file = optarg;
357: break;
358: case '?':
359: default:
360: usage();
361: }
362: }
363: argc -= optind;
364: argv += optind;
365:
1.7 pvalchev 366: if ((fd = open(file, wflag ? O_RDWR : O_RDONLY)) < 0)
1.1 provos 367: err(1, "%s", file);
368:
369: /* Check if stdout is the same device as the audio device. */
370: if (fstat(fd, &dstat) < 0)
371: err(1, "fstat au");
372: if (fstat(STDOUT_FILENO, &ostat) < 0)
373: err(1, "fstat stdout");
374: if (S_ISCHR(dstat.st_mode) && S_ISCHR(ostat.st_mode) &&
375: major(dstat.st_dev) == major(ostat.st_dev) &&
376: minor(dstat.st_dev) == minor(ostat.st_dev))
377: /* We can't write to stdout so use stderr */
378: out = stderr;
379:
380: if (!wflag)
381: getinfo(fd);
382:
1.7 pvalchev 383: if (!argc && aflag && !wflag) {
1.1 provos 384: for(i = 0; fields[i].name; i++) {
385: if (!(fields[i].flags & ALIAS)) {
386: prfield(&fields[i], sep);
387: fprintf(out, "\n");
388: }
389: }
390: } else if (argc > 0 && !aflag) {
391: struct field *p;
392: if (wflag) {
393: AUDIO_INITINFO(&info);
394: while(argc--) {
395: char *q;
396:
1.7 pvalchev 397: if (q = strchr(*argv, '=')) {
1.1 provos 398: *q++ = 0;
399: p = findfield(*argv);
400: if (p == 0)
401: warnx("field `%s' does not exist", *argv);
402: else {
403: if (p->flags & READONLY)
404: warnx("`%s' is read only", *argv);
405: else {
406: rdfield(p, q);
407: if (p->valp == &fullduplex)
408: if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0)
409: err(1, "set failed");
410: }
411: }
412: } else
413: warnx("No `=' in %s", *argv);
414: argv++;
415: }
416: if (ioctl(fd, AUDIO_SETINFO, &info) < 0)
417: err(1, "set failed");
418: if (sep) {
419: getinfo(fd);
420: for(i = 0; fields[i].name; i++) {
421: if (fields[i].flags & SET) {
422: fprintf(out, "%s: -> ", fields[i].name);
423: prfield(&fields[i], 0);
424: fprintf(out, "\n");
425: }
426: }
427: }
428: } else {
429: while(argc--) {
430: p = findfield(*argv);
431: if (p == 0) {
432: if (strchr(*argv, '='))
433: warnx("field %s does not exist (use -w to set a variable)", *argv);
434: else
435: warnx("field %s does not exist", *argv);
436: } else {
437: prfield(p, sep);
438: fprintf(out, "\n");
439: }
440: argv++;
441: }
442: }
443: } else
444: usage();
445: exit(0);
446: }