Annotation of src/usr.bin/audioctl/audioctl.c, Revision 1.3
1.3 ! provos 1: /* $OpenBSD: audioctl.c,v 1.2 1998/04/26 22:27:25 provos Exp $ */
! 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:
39: #include <stdio.h>
1.3 ! provos 40: #include <stdlib.h>
1.1 provos 41: #include <fcntl.h>
42: #include <err.h>
43: #include <unistd.h>
44: #include <string.h>
45: #include <sys/types.h>
46: #include <sys/stat.h>
47: #include <sys/ioctl.h>
48: #include <sys/audioio.h>
49:
50: struct field *findfield __P((char *name));
51: void prfield __P((struct field *p, char *sep));
52: void rdfield __P((struct field *p, char *q));
53: void getinfo __P((int fd));
54: void usage __P((void));
55: int main __P((int argc, char **argv));
56:
57: FILE *out = stdout;
58:
59: char *prog;
60:
61: audio_device_t adev;
62:
63: audio_info_t info;
64:
65: char encbuf[1000];
66:
67: int properties, fullduplex, rerror;
68:
69: struct field {
70: char *name;
71: void *valp;
72: int format;
73: #define STRING 1
74: #define INT 2
75: #define UINT 3
76: #define P_R 4
77: #define ULONG 5
78: #define UCHAR 6
79: #define ENC 7
80: #define PROPS 8
81: #define XINT 9
82: char flags;
83: #define READONLY 1
84: #define ALIAS 2
85: #define SET 4
86: } fields[] = {
87: { "name", &adev.name, STRING, READONLY },
88: { "version", &adev.version, STRING, READONLY },
89: { "config", &adev.config, STRING, READONLY },
90: { "encodings", encbuf, STRING, READONLY },
91: { "properties", &properties, PROPS, READONLY },
92: { "full_duplex", &fullduplex, INT, 0 },
93: { "blocksize", &info.blocksize, UINT, 0 },
94: { "hiwat", &info.hiwat, UINT, 0 },
95: { "lowat", &info.lowat, UINT, 0 },
96: { "monitor_gain", &info.monitor_gain, UINT, 0 },
97: { "mode", &info.mode, P_R, READONLY },
98: { "play.rate", &info.play.sample_rate, UINT, 0 },
99: { "play.sample_rate", &info.play.sample_rate, UINT, ALIAS },
100: { "play.channels", &info.play.channels, UINT, 0 },
101: { "play.precision", &info.play.precision, UINT, 0 },
102: { "play.encoding", &info.play.encoding, ENC, 0 },
103: { "play.gain", &info.play.gain, UINT, 0 },
104: { "play.balance", &info.play.balance, UCHAR, 0 },
105: { "play.port", &info.play.port, XINT, 0 },
106: { "play.avail_ports", &info.play.avail_ports, XINT, 0 },
107: { "play.seek", &info.play.seek, ULONG, READONLY },
108: { "play.samples", &info.play.samples, UINT, READONLY },
109: { "play.eof", &info.play.eof, UINT, READONLY },
110: { "play.pause", &info.play.pause, UCHAR, 0 },
111: { "play.error", &info.play.error, UCHAR, READONLY },
112: { "play.waiting", &info.play.waiting, UCHAR, READONLY },
113: { "play.open", &info.play.open, UCHAR, READONLY },
114: { "play.active", &info.play.active, UCHAR, READONLY },
115: { "play.buffer_size", &info.play.buffer_size, UINT, 0 },
116: { "record.rate", &info.record.sample_rate,UINT, 0 },
117: { "record.sample_rate", &info.record.sample_rate,UINT, ALIAS },
118: { "record.channels", &info.record.channels, UINT, 0 },
119: { "record.precision", &info.record.precision, UINT, 0 },
120: { "record.encoding", &info.record.encoding, ENC, 0 },
121: { "record.gain", &info.record.gain, UINT, 0 },
122: { "record.balance", &info.record.balance, UCHAR, 0 },
123: { "record.port", &info.record.port, XINT, 0 },
124: { "record.avail_ports", &info.record.avail_ports,XINT, 0 },
125: { "record.seek", &info.record.seek, ULONG, READONLY },
126: { "record.samples", &info.record.samples, UINT, READONLY },
127: { "record.eof", &info.record.eof, UINT, READONLY },
128: { "record.pause", &info.record.pause, UCHAR, 0 },
129: { "record.error", &info.record.error, UCHAR, READONLY },
130: { "record.waiting", &info.record.waiting, UCHAR, READONLY },
131: { "record.open", &info.record.open, UCHAR, READONLY },
132: { "record.active", &info.record.active, UCHAR, READONLY },
133: { "record.buffer_size", &info.record.buffer_size,UINT, 0 },
134: { "record.errors", &rerror, INT, READONLY },
135: { 0 }
136: };
137:
138: struct {
139: char *ename;
140: int eno;
141: } encs[] = {
142: { AudioEmulaw, AUDIO_ENCODING_ULAW },
143: { "ulaw", AUDIO_ENCODING_ULAW },
144: { AudioEalaw, AUDIO_ENCODING_ALAW },
145: { AudioEslinear, AUDIO_ENCODING_SLINEAR },
146: { "linear", AUDIO_ENCODING_SLINEAR },
147: { AudioEulinear, AUDIO_ENCODING_ULINEAR },
148: { AudioEadpcm, AUDIO_ENCODING_ADPCM },
149: { "ADPCM", AUDIO_ENCODING_ADPCM },
150: { AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE },
151: { "linear_le", AUDIO_ENCODING_SLINEAR_LE },
152: { AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE },
153: { AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE },
154: { "linear_be", AUDIO_ENCODING_SLINEAR_BE },
155: { AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE },
156: { AudioEmpeg_l1_stream, AUDIO_ENCODING_MPEG_L1_STREAM },
157: { AudioEmpeg_l1_packets,AUDIO_ENCODING_MPEG_L1_PACKETS },
158: { AudioEmpeg_l1_system, AUDIO_ENCODING_MPEG_L1_SYSTEM },
159: { AudioEmpeg_l2_stream, AUDIO_ENCODING_MPEG_L2_STREAM },
160: { AudioEmpeg_l2_packets,AUDIO_ENCODING_MPEG_L2_PACKETS },
161: { AudioEmpeg_l2_system, AUDIO_ENCODING_MPEG_L2_SYSTEM },
162: { 0 }
163: };
164:
165: static struct {
166: char *name;
167: u_int prop;
168: } props[] = {
169: { "full_duplex", AUDIO_PROP_FULLDUPLEX },
170: { "mmap", AUDIO_PROP_MMAP },
171: { "independent", AUDIO_PROP_INDEPENDENT },
172: { 0 }
173: };
174:
175: struct field *
176: findfield(name)
177: char *name;
178: {
179: int i;
180: for(i = 0; fields[i].name; i++)
181: if (strcmp(fields[i].name, name) == 0)
182: return &fields[i];
183: return 0;
184: }
185:
186: void
187: prfield(p, sep)
188: struct field *p;
189: char *sep;
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
254: rdfield(p, q)
255: struct field *p;
256: char *q;
257: {
258: int i;
259: u_int u;
260:
261: switch(p->format) {
262: case UINT:
263: if (sscanf(q, "%u", (unsigned int *)p->valp) != 1)
264: warnx("Bad number %s", q);
265: break;
266: case UCHAR:
267: if (sscanf(q, "%u", &u) != 1)
268: warnx("Bad number %s", q);
269: else
270: *(u_char *)p->valp = u;
271: break;
272: case XINT:
273: if (sscanf(q, "0x%x", (unsigned int *)p->valp) != 1 &&
274: sscanf(q, "%x", (unsigned int *)p->valp) != 1)
275: warnx("Bad number %s", q);
276: break;
277: case ENC:
278: for(i = 0; encs[i].ename; i++)
279: if (strcmp(encs[i].ename, q) == 0)
280: break;
281: if (encs[i].ename)
282: *(u_int*)p->valp = encs[i].eno;
283: else
284: warnx("Unknown encoding: %s", q);
285: break;
286: default:
287: errx(1, "Invalid read format.");
288: }
289: p->flags |= SET;
290: }
291:
292: void
293: getinfo(fd)
294: int fd;
295: {
296: int pos, i;
297:
298: if (ioctl(fd, AUDIO_GETDEV, &adev) < 0)
299: err(1, "AUDIO_GETDEV");
300: for(pos = 0, i = 0; ; i++) {
301: audio_encoding_t enc;
302: enc.index = i;
303: if (ioctl(fd, AUDIO_GETENC, &enc) < 0)
304: break;
305: if (pos)
306: encbuf[pos++] = ',';
307: sprintf(encbuf+pos, "%s:%d%s", enc.name,
308: enc.precision,
309: enc.flags & AUDIO_ENCODINGFLAG_EMULATED ? "*" : "");
310: pos += strlen(encbuf+pos);
311: }
312: if (ioctl(fd, AUDIO_GETFD, &fullduplex) < 0)
313: err(1, "AUDIO_GETFD");
314: if (ioctl(fd, AUDIO_GETPROPS, &properties) < 0)
315: err(1, "AUDIO_GETPROPS");
316: if (ioctl(fd, AUDIO_RERROR, &rerror) < 0)
317: err(1, "AUDIO_RERROR");
318: if (ioctl(fd, AUDIO_GETINFO, &info) < 0)
319: err(1, "AUDIO_GETINFO");
320: }
321:
322: void
323: usage()
324: {
325: fprintf(out, "%s [-f file] [-n] name ...\n", prog);
326: fprintf(out, "%s [-f file] [-n] -w name=value ...\n", prog);
327: fprintf(out, "%s [-f file] [-n] -a\n", prog);
328: exit(1);
329: }
330:
331: int
332: main(argc, argv)
333: int argc;
334: char **argv;
335: {
336: int fd, i, ch;
337: int aflag = 0, wflag = 0;
338: struct stat dstat, ostat;
1.3 ! provos 339: char *file;
1.1 provos 340: char *sep = "=";
341:
1.3 ! provos 342: file = getenv("AUDIOCTLDEVICE");
! 343: if (file == 0)
! 344: file = "/dev/audioctl";
! 345:
1.1 provos 346: prog = *argv;
347:
348: while ((ch = getopt(argc, argv, "af:nw")) != -1) {
349: switch(ch) {
350: case 'a':
351: aflag++;
352: break;
353: case 'w':
354: wflag++;
355: break;
356: case 'n':
357: sep = 0;
358: break;
359: case 'f':
360: file = optarg;
361: break;
362: case '?':
363: default:
364: usage();
365: }
366: }
367: argc -= optind;
368: argv += optind;
369:
370: fd = open(file, O_WRONLY);
371: if (fd < 0)
372: fd = open(file, O_RDONLY);
373: if (fd < 0)
374: err(1, "%s", file);
375:
376: /* Check if stdout is the same device as the audio device. */
377: if (fstat(fd, &dstat) < 0)
378: err(1, "fstat au");
379: if (fstat(STDOUT_FILENO, &ostat) < 0)
380: err(1, "fstat stdout");
381: if (S_ISCHR(dstat.st_mode) && S_ISCHR(ostat.st_mode) &&
382: major(dstat.st_dev) == major(ostat.st_dev) &&
383: minor(dstat.st_dev) == minor(ostat.st_dev))
384: /* We can't write to stdout so use stderr */
385: out = stderr;
386:
387: if (!wflag)
388: getinfo(fd);
389:
390: if (argc == 0 && aflag && !wflag) {
391: for(i = 0; fields[i].name; i++) {
392: if (!(fields[i].flags & ALIAS)) {
393: prfield(&fields[i], sep);
394: fprintf(out, "\n");
395: }
396: }
397: } else if (argc > 0 && !aflag) {
398: struct field *p;
399: if (wflag) {
400: AUDIO_INITINFO(&info);
401: while(argc--) {
402: char *q;
403:
404: q = strchr(*argv, '=');
405: if (q) {
406: *q++ = 0;
407: p = findfield(*argv);
408: if (p == 0)
409: warnx("field `%s' does not exist", *argv);
410: else {
411: if (p->flags & READONLY)
412: warnx("`%s' is read only", *argv);
413: else {
414: rdfield(p, q);
415: if (p->valp == &fullduplex)
416: if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0)
417: err(1, "set failed");
418: }
419: }
420: } else
421: warnx("No `=' in %s", *argv);
422: argv++;
423: }
424: if (ioctl(fd, AUDIO_SETINFO, &info) < 0)
425: err(1, "set failed");
426: if (sep) {
427: getinfo(fd);
428: for(i = 0; fields[i].name; i++) {
429: if (fields[i].flags & SET) {
430: fprintf(out, "%s: -> ", fields[i].name);
431: prfield(&fields[i], 0);
432: fprintf(out, "\n");
433: }
434: }
435: }
436: } else {
437: while(argc--) {
438: p = findfield(*argv);
439: if (p == 0) {
440: if (strchr(*argv, '='))
441: warnx("field %s does not exist (use -w to set a variable)", *argv);
442: else
443: warnx("field %s does not exist", *argv);
444: } else {
445: prfield(p, sep);
446: fprintf(out, "\n");
447: }
448: argv++;
449: }
450: }
451: } else
452: usage();
453: exit(0);
454: }