382 lines
9.9 KiB
C
382 lines
9.9 KiB
C
/* $NetBSD: audioctl.c,v 1.2 1997/05/19 16:32:56 augustss Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1997 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Author: Lennart Augustsson
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <fcntl.h>
|
|
#include <err.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/audioio.h>
|
|
|
|
FILE *out = stdout;
|
|
|
|
char *prog;
|
|
|
|
audio_device_t adev;
|
|
|
|
audio_info_t info;
|
|
|
|
char encbuf[1000];
|
|
|
|
int fullduplex, rerror;
|
|
|
|
struct field {
|
|
char *name;
|
|
void *valp;
|
|
int format;
|
|
#define STRING 1
|
|
#define INT 2
|
|
#define UINT 3
|
|
#define P_R 4
|
|
#define ULONG 5
|
|
#define UCHAR 6
|
|
#define ENC 7
|
|
char flags;
|
|
#define READONLY 1
|
|
#define ALIAS 2
|
|
#define SET 4
|
|
} fields[] = {
|
|
{ "name", &adev.name, STRING, READONLY },
|
|
{ "version", &adev.version, STRING, READONLY },
|
|
{ "config", &adev.config, STRING, READONLY },
|
|
{ "encodings", encbuf, STRING, READONLY },
|
|
{ "full_duplex", &fullduplex, INT, 0 },
|
|
{ "blocksize", &info.blocksize, UINT, 0 },
|
|
{ "hiwat", &info.hiwat, UINT, 0 },
|
|
{ "lowat", &info.lowat, UINT, 0 },
|
|
{ "backlog", &info.backlog, UINT, 0 },
|
|
{ "mode", &info.mode, P_R, READONLY },
|
|
{ "play.rate", &info.play.sample_rate, UINT, 0 },
|
|
{ "play.sample_rate", &info.play.sample_rate, UINT, ALIAS },
|
|
{ "play.channels", &info.play.channels, UINT, 0 },
|
|
{ "play.precision", &info.play.precision, UINT, 0 },
|
|
{ "play.encoding", &info.play.encoding, ENC, 0 },
|
|
{ "play.gain", &info.play.gain, UINT, 0 },
|
|
{ "play.port", &info.play.port, UINT, 0 },
|
|
{ "play.seek", &info.play.seek, ULONG, READONLY },
|
|
{ "play.samples", &info.play.samples, UINT, READONLY },
|
|
{ "play.eof", &info.play.eof, UINT, READONLY },
|
|
{ "play.pause", &info.play.pause, UCHAR, 0 },
|
|
{ "play.error", &info.play.error, UCHAR, READONLY },
|
|
{ "play.waiting", &info.play.waiting, UCHAR, READONLY },
|
|
{ "play.open", &info.play.open, UCHAR, READONLY },
|
|
{ "play.active", &info.play.active, UCHAR, READONLY },
|
|
{ "record.rate", &info.record.sample_rate,UINT, 0 },
|
|
{ "record.sample_rate", &info.record.sample_rate,UINT, ALIAS },
|
|
{ "record.channels", &info.record.channels, UINT, 0 },
|
|
{ "record.precision", &info.record.precision, UINT, 0 },
|
|
{ "record.encoding", &info.record.encoding, ENC, 0 },
|
|
{ "record.gain", &info.record.gain, UINT, 0 },
|
|
{ "record.port", &info.record.port, UINT, 0 },
|
|
{ "record.seek", &info.record.seek, ULONG, READONLY },
|
|
{ "record.samples", &info.record.samples, UINT, READONLY },
|
|
{ "record.eof", &info.record.eof, UINT, READONLY },
|
|
{ "record.pause", &info.record.pause, UCHAR, 0 },
|
|
{ "record.error", &info.record.error, UCHAR, READONLY },
|
|
{ "record.waiting", &info.record.waiting, UCHAR, READONLY },
|
|
{ "record.open", &info.record.open, UCHAR, READONLY },
|
|
{ "record.active", &info.record.active, UCHAR, READONLY },
|
|
{ "record.errors", &rerror, INT, READONLY },
|
|
{ 0 }
|
|
};
|
|
|
|
struct {
|
|
char *ename;
|
|
int eno;
|
|
} encs[] = {
|
|
{ "ulaw", AUDIO_ENCODING_ULAW },
|
|
{ "alaw", AUDIO_ENCODING_ALAW },
|
|
{ "linear", AUDIO_ENCODING_LINEAR },
|
|
{ "ulinear", AUDIO_ENCODING_ULINEAR },
|
|
{ "adpcm", AUDIO_ENCODING_ADPCM },
|
|
{ "ADPCM", AUDIO_ENCODING_ADPCM },
|
|
{ "mulaw", AUDIO_ENCODING_ULAW },
|
|
{ "linear_le", AUDIO_ENCODING_LINEAR_LE },
|
|
{ "ulinear_le", AUDIO_ENCODING_ULINEAR_LE },
|
|
{ "linear_be", AUDIO_ENCODING_LINEAR_BE },
|
|
{ "ulinear_be", AUDIO_ENCODING_ULINEAR_BE },
|
|
{ 0 }
|
|
};
|
|
|
|
struct field *
|
|
findfield(char *name)
|
|
{
|
|
int i;
|
|
for(i = 0; fields[i].name; i++)
|
|
if (strcmp(fields[i].name, name) == 0)
|
|
return &fields[i];
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
prfield(struct field *p, char *sep)
|
|
{
|
|
u_int v;
|
|
char *cm;
|
|
int i;
|
|
|
|
if (sep)
|
|
fprintf(out, "%s%s", p->name, sep);
|
|
switch(p->format) {
|
|
case STRING:
|
|
fprintf(out, "%s", (char*)p->valp);
|
|
break;
|
|
case INT:
|
|
fprintf(out, "%d", *(int*)p->valp);
|
|
break;
|
|
case UINT:
|
|
fprintf(out, "%u", *(u_int*)p->valp);
|
|
break;
|
|
case UCHAR:
|
|
fprintf(out, "%u", *(u_char*)p->valp);
|
|
break;
|
|
case ULONG:
|
|
fprintf(out, "%lu", *(u_long*)p->valp);
|
|
break;
|
|
case P_R:
|
|
v = *(u_int*)p->valp;
|
|
cm = "";
|
|
if (v & AUMODE_PLAY) {
|
|
if (v & AUMODE_PLAY_ALL)
|
|
fprintf(out, "play");
|
|
else
|
|
fprintf(out, "playsync");
|
|
cm = ",";
|
|
}
|
|
if (v & AUMODE_RECORD)
|
|
fprintf(out, "%srecord", cm);
|
|
break;
|
|
case ENC:
|
|
v = *(u_int*)p->valp;
|
|
for(i = 0; encs[i].ename; i++)
|
|
if (encs[i].eno == v)
|
|
break;
|
|
if (encs[i].ename)
|
|
fprintf(out, "%s", encs[i].ename);
|
|
else
|
|
fprintf(out, "%u", v);
|
|
break;
|
|
default:
|
|
errx(1, "Invalid format.");
|
|
}
|
|
}
|
|
|
|
void
|
|
rdfield(struct field *p, char *q)
|
|
{
|
|
int i;
|
|
|
|
switch(p->format) {
|
|
case UINT:
|
|
if (sscanf(q, "%u", (unsigned int *)p->valp) != 1)
|
|
warnx("Bad number %s", q);
|
|
break;
|
|
case ENC:
|
|
for(i = 0; encs[i].ename; i++)
|
|
if (strcmp(encs[i].ename, q) == 0)
|
|
break;
|
|
if (encs[i].ename)
|
|
*(u_int*)p->valp = encs[i].eno;
|
|
else
|
|
warnx("Unknown encoding: %s", q);
|
|
break;
|
|
default:
|
|
errx(1, "Invalid format.");
|
|
}
|
|
p->flags |= SET;
|
|
}
|
|
|
|
void
|
|
getinfo(int fd)
|
|
{
|
|
int pos, i;
|
|
|
|
if (ioctl(fd, AUDIO_GETDEV, &adev) < 0)
|
|
err(1, NULL);
|
|
for(pos = 0, i = 0; ; i++) {
|
|
audio_encoding_t enc;
|
|
enc.index = i;
|
|
if (ioctl(fd, AUDIO_GETENC, &enc) < 0)
|
|
break;
|
|
if (pos)
|
|
encbuf[pos++] = ',';
|
|
sprintf(encbuf+pos, "%s:%d%s", enc.name,
|
|
enc.precision,
|
|
enc.flags & AUDIO_ENCODINGFLAG_EMULATED ? "*" : "");
|
|
pos += strlen(encbuf+pos);
|
|
}
|
|
if (ioctl(fd, AUDIO_GETFD, &fullduplex) < 0)
|
|
err(1, NULL);
|
|
if (ioctl(fd, AUDIO_RERROR, &rerror) < 0)
|
|
err(1, NULL);
|
|
if (ioctl(fd, AUDIO_GETINFO, &info) < 0)
|
|
err(1, NULL);
|
|
}
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
fprintf(out, "%s [-f file] [-n] name ...\n", prog);
|
|
fprintf(out, "%s [-f file] [-n] -w name=value ...\n", prog);
|
|
fprintf(out, "%s [-f file] [-n] -a\n", prog);
|
|
exit(1);
|
|
}
|
|
|
|
void
|
|
main(int argc, char **argv)
|
|
{
|
|
int fd, i, ch;
|
|
int aflag = 0, wflag = 0;
|
|
struct stat dstat, ostat;
|
|
char *file = "/dev/sound";
|
|
char *sep = "=";
|
|
|
|
prog = *argv;
|
|
|
|
while ((ch = getopt(argc, argv, "af:nw")) != -1) {
|
|
switch(ch) {
|
|
case 'a':
|
|
aflag++;
|
|
break;
|
|
case 'w':
|
|
wflag++;
|
|
break;
|
|
case 'n':
|
|
sep = 0;
|
|
break;
|
|
case 'f':
|
|
file = optarg;
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
fd = open(file, O_RDWR);
|
|
if (fd < 0)
|
|
fd = open(file, O_WRONLY);
|
|
if (fd < 0)
|
|
fd = open(file, O_RDONLY);
|
|
if (fd < 0)
|
|
err(1, "%s", file);
|
|
|
|
/* Check is stdout is the same device as the audio device. */
|
|
if (fstat(fd, &dstat) < 0)
|
|
err(1, NULL);
|
|
if (fstat(STDOUT_FILENO, &ostat) < 0)
|
|
err(1, NULL);
|
|
if (S_ISCHR(dstat.st_mode) && S_ISCHR(ostat.st_mode) &&
|
|
major(dstat.st_dev) == major(ostat.st_dev) &&
|
|
minor(dstat.st_dev) == minor(ostat.st_dev))
|
|
/* We can't write to stdout so use stderr */
|
|
out = stderr;
|
|
|
|
if (!wflag)
|
|
getinfo(fd);
|
|
|
|
if (argc == 0 && aflag && !wflag) {
|
|
for(i = 0; fields[i].name; i++) {
|
|
if (!(fields[i].flags & ALIAS)) {
|
|
prfield(&fields[i], sep);
|
|
fprintf(out, "\n");
|
|
}
|
|
}
|
|
} else if (argc > 0 && !aflag) {
|
|
struct field *p;
|
|
if (wflag) {
|
|
AUDIO_INITINFO(&info);
|
|
while(argc--) {
|
|
char *q;
|
|
|
|
q = strchr(*argv, '=');
|
|
if (q) {
|
|
*q++ = 0;
|
|
p = findfield(*argv);
|
|
if (p == 0)
|
|
warnx("field %s does not exist", *argv);
|
|
else {
|
|
if (p->flags & READONLY)
|
|
warnx("%s is read only", *argv);
|
|
else {
|
|
rdfield(p, q);
|
|
if (p->valp == &fullduplex)
|
|
if (ioctl(fd, AUDIO_SETFD, &fullduplex) < 0)
|
|
err(1, "set failed");
|
|
}
|
|
}
|
|
} else
|
|
warnx("No `=' in %s", *argv);
|
|
argv++;
|
|
}
|
|
if (ioctl(fd, AUDIO_SETINFO, &info) < 0)
|
|
err(1, "set failed");
|
|
if (sep) {
|
|
getinfo(fd);
|
|
for(i = 0; fields[i].name; i++) {
|
|
if (fields[i].flags & SET) {
|
|
fprintf(out, "%s: -> ", p->name);
|
|
prfield(p, 0);
|
|
fprintf(out, "\n");
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
while(argc--) {
|
|
p = findfield(*argv);
|
|
if (p == 0) {
|
|
if (strchr(*argv, '='))
|
|
warnx("field %s does not exist (use -w to set a variable)", *argv);
|
|
else
|
|
warnx("field %s does not exist", *argv);
|
|
} else {
|
|
prfield(p, sep);
|
|
fprintf(out, "\n");
|
|
}
|
|
argv++;
|
|
}
|
|
}
|
|
} else
|
|
usage();
|
|
exit(0);
|
|
}
|