You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
414 lines
12 KiB
414 lines
12 KiB
/* tinymix.c
|
|
**
|
|
** Copyright 2011, The Android Open Source Project
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions are met:
|
|
** * Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** * 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.
|
|
** * Neither the name of The Android Open Source Project 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 Android Open Source Project ``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 Android Open Source Project 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 <tinyalsa/asoundlib.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
#include <string.h>
|
|
#include <getopt.h>
|
|
#include <errno.h>
|
|
|
|
static void tinymix_list_controls(struct mixer *mixer);
|
|
static int tinymix_detail_control(struct mixer *mixer, const char *control,
|
|
int prefix, int print_all);
|
|
static int tinymix_set_value(struct mixer *mixer, const char *control,
|
|
char **values, unsigned int num_values);
|
|
static void tinymix_print_enum(struct mixer_ctl *ctl, const char *space,
|
|
int print_all);
|
|
|
|
static const char *tinymix_short_options = "D:atvh";
|
|
static struct option tinymix_long_options[] = {
|
|
{"device", required_argument, 0, 'D'},
|
|
{"all-values", no_argument, 0, 'a'},
|
|
{"tabs-only", no_argument, 0, 't'},
|
|
{"value-only", no_argument, 0, 'v'},
|
|
{"help", no_argument, 0, 'h'},
|
|
{0, 0, 0, 0}
|
|
};
|
|
|
|
static int g_tabs_only = 0;
|
|
static int g_all_values = 0;
|
|
static int g_value_only = 0;
|
|
|
|
static void usage (void) {
|
|
fprintf(stderr,
|
|
"tinymix [options] [control name/#] [value to set]\n"
|
|
" options:\n"
|
|
" --device|-D <card#> - use the given card # instead of 0.\n"
|
|
" --all-values|-a - show all possible values/ranges for control.\n"
|
|
" --tabs-only|-t - separate all output columns/values with tabs.\n"
|
|
" --value-only|-v - show only the value for the selected control.\n"
|
|
);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
struct mixer *mixer;
|
|
int card = 0;
|
|
int ret = 0;
|
|
|
|
while (1) {
|
|
int option_index = 0;
|
|
int option_char = 0;
|
|
|
|
option_char = getopt_long(argc, argv, tinymix_short_options,
|
|
tinymix_long_options, &option_index);
|
|
if (option_char == -1)
|
|
break;
|
|
|
|
switch (option_char) {
|
|
case 'D':
|
|
card = atoi(optarg);
|
|
break;
|
|
case 'a':
|
|
g_all_values = 1;
|
|
break;
|
|
case 't':
|
|
g_tabs_only = 1;
|
|
break;
|
|
case 'v':
|
|
g_value_only = 1;
|
|
break;
|
|
case 'h':
|
|
usage();
|
|
return 0;
|
|
default:
|
|
usage();
|
|
return EINVAL;
|
|
}
|
|
}
|
|
|
|
mixer = mixer_open(card);
|
|
if (!mixer) {
|
|
fprintf(stderr, "Failed to open mixer\n");
|
|
return ENODEV;
|
|
}
|
|
|
|
if (argc == optind) {
|
|
printf("Mixer name: '%s'\n", mixer_get_name(mixer));
|
|
tinymix_list_controls(mixer);
|
|
} else if (argc == optind + 1) {
|
|
ret = tinymix_detail_control(mixer, argv[optind], !g_value_only, !g_value_only);
|
|
} else if (argc >= optind + 2) {
|
|
ret = tinymix_set_value(mixer, argv[optind], &argv[optind + 1], argc - optind - 1);
|
|
}
|
|
|
|
mixer_close(mixer);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int isnumber(const char *str) {
|
|
char *end;
|
|
|
|
if (str == NULL || strlen(str) == 0)
|
|
return 0;
|
|
|
|
strtol(str, &end, 0);
|
|
return strlen(end) == 0;
|
|
}
|
|
|
|
static void tinymix_list_controls(struct mixer *mixer)
|
|
{
|
|
struct mixer_ctl *ctl;
|
|
const char *name, *type;
|
|
unsigned int num_ctls, num_values;
|
|
unsigned int i;
|
|
|
|
num_ctls = mixer_get_num_ctls(mixer);
|
|
|
|
printf("Number of controls: %u\n", num_ctls);
|
|
|
|
if (g_tabs_only)
|
|
printf("ctl\ttype\tnum\tname\tvalue");
|
|
else
|
|
printf("ctl\ttype\tnum\t%-40s value\n", "name");
|
|
if (g_all_values)
|
|
printf("\trange/values\n");
|
|
else
|
|
printf("\n");
|
|
for (i = 0; i < num_ctls; i++) {
|
|
ctl = mixer_get_ctl(mixer, i);
|
|
|
|
name = mixer_ctl_get_name(ctl);
|
|
type = mixer_ctl_get_type_string(ctl);
|
|
num_values = mixer_ctl_get_num_values(ctl);
|
|
if (g_tabs_only)
|
|
printf("%d\t%s\t%d\t%s\t", i, type, num_values, name);
|
|
else
|
|
printf("%d\t%s\t%d\t%-40s ", i, type, num_values, name);
|
|
tinymix_detail_control(mixer, name, 0, g_all_values);
|
|
}
|
|
}
|
|
|
|
static void tinymix_print_enum(struct mixer_ctl *ctl, const char *space,
|
|
int print_all)
|
|
{
|
|
unsigned int num_enums;
|
|
unsigned int i;
|
|
const char *string;
|
|
int control_value = mixer_ctl_get_value(ctl, 0);
|
|
|
|
if (print_all) {
|
|
num_enums = mixer_ctl_get_num_enums(ctl);
|
|
for (i = 0; i < num_enums; i++) {
|
|
string = mixer_ctl_get_enum_string(ctl, i);
|
|
printf("%s%s%s",
|
|
control_value == (int)i ? ">" : "", string,
|
|
(i < num_enums - 1) ? space : "");
|
|
}
|
|
}
|
|
else {
|
|
string = mixer_ctl_get_enum_string(ctl, control_value);
|
|
printf("%s", string);
|
|
}
|
|
}
|
|
|
|
static int tinymix_detail_control(struct mixer *mixer, const char *control,
|
|
int prefix, int print_all)
|
|
{
|
|
struct mixer_ctl *ctl;
|
|
enum mixer_ctl_type type;
|
|
unsigned int num_values;
|
|
unsigned int i;
|
|
int min, max;
|
|
int ret;
|
|
char *buf = NULL;
|
|
size_t len;
|
|
unsigned int tlv_header_size = 0;
|
|
const char *space = g_tabs_only ? "\t" : " ";
|
|
|
|
if (isnumber(control))
|
|
ctl = mixer_get_ctl(mixer, atoi(control));
|
|
else
|
|
ctl = mixer_get_ctl_by_name(mixer, control);
|
|
|
|
if (!ctl) {
|
|
fprintf(stderr, "Invalid mixer control: %s\n", control);
|
|
return ENOENT;
|
|
}
|
|
|
|
type = mixer_ctl_get_type(ctl);
|
|
num_values = mixer_ctl_get_num_values(ctl);
|
|
|
|
if (type == MIXER_CTL_TYPE_BYTE) {
|
|
if (mixer_ctl_is_access_tlv_rw(ctl)) {
|
|
tlv_header_size = TLV_HEADER_SIZE;
|
|
}
|
|
buf = calloc(1, num_values + tlv_header_size);
|
|
if (buf == NULL) {
|
|
fprintf(stderr, "Failed to alloc mem for bytes %d\n", num_values);
|
|
return ENOENT;
|
|
}
|
|
|
|
len = num_values;
|
|
ret = mixer_ctl_get_array(ctl, buf, len + tlv_header_size);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Failed to mixer_ctl_get_array\n");
|
|
free(buf);
|
|
return ENOENT;
|
|
}
|
|
}
|
|
|
|
if (prefix)
|
|
printf("%s:%s", mixer_ctl_get_name(ctl), space);
|
|
|
|
for (i = 0; i < num_values; i++) {
|
|
switch (type)
|
|
{
|
|
case MIXER_CTL_TYPE_INT:
|
|
printf("%d", mixer_ctl_get_value(ctl, i));
|
|
break;
|
|
case MIXER_CTL_TYPE_BOOL:
|
|
printf("%s", mixer_ctl_get_value(ctl, i) ? "On" : "Off");
|
|
break;
|
|
case MIXER_CTL_TYPE_ENUM:
|
|
tinymix_print_enum(ctl, space, print_all);
|
|
break;
|
|
case MIXER_CTL_TYPE_BYTE:
|
|
/* skip printing TLV header if exists */
|
|
printf(" %02x", buf[i + tlv_header_size]);
|
|
break;
|
|
default:
|
|
printf("unknown");
|
|
break;
|
|
}
|
|
|
|
if (i < num_values - 1)
|
|
printf("%s", space);
|
|
}
|
|
|
|
if (print_all) {
|
|
if (type == MIXER_CTL_TYPE_INT) {
|
|
min = mixer_ctl_get_range_min(ctl);
|
|
max = mixer_ctl_get_range_max(ctl);
|
|
printf("%s(dsrange %d->%d)", space, min, max);
|
|
}
|
|
}
|
|
|
|
free(buf);
|
|
|
|
printf("\n");
|
|
return 0;
|
|
}
|
|
|
|
static void tinymix_set_byte_ctl(struct mixer_ctl *ctl,
|
|
char **values, unsigned int num_values)
|
|
{
|
|
int ret;
|
|
char *buf;
|
|
char *end;
|
|
unsigned int i;
|
|
long n;
|
|
unsigned int *tlv, tlv_size;
|
|
unsigned int tlv_header_size = 0;
|
|
|
|
if (mixer_ctl_is_access_tlv_rw(ctl)) {
|
|
tlv_header_size = TLV_HEADER_SIZE;
|
|
}
|
|
|
|
tlv_size = num_values + tlv_header_size;
|
|
|
|
buf = calloc(1, tlv_size);
|
|
if (buf == NULL) {
|
|
fprintf(stderr, "set_byte_ctl: Failed to alloc mem for bytes %d\n", num_values);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
tlv = (unsigned int *)buf;
|
|
tlv[0] = 0;
|
|
tlv[1] = num_values;
|
|
|
|
for (i = 0; i < num_values; i++) {
|
|
errno = 0;
|
|
n = strtol(values[i], &end, 0);
|
|
if (*end) {
|
|
fprintf(stderr, "%s not an integer\n", values[i]);
|
|
goto fail;
|
|
}
|
|
if (errno) {
|
|
fprintf(stderr, "strtol: %s: %s\n", values[i],
|
|
strerror(errno));
|
|
goto fail;
|
|
}
|
|
if (n < 0 || n > 0xff) {
|
|
fprintf(stderr, "%s should be between [0, 0xff]\n",
|
|
values[i]);
|
|
goto fail;
|
|
}
|
|
/* start filling after the TLV header */
|
|
buf[i + tlv_header_size] = n;
|
|
}
|
|
|
|
ret = mixer_ctl_set_array(ctl, buf, tlv_size);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Failed to set binary control\n");
|
|
goto fail;
|
|
}
|
|
|
|
free(buf);
|
|
return;
|
|
|
|
fail:
|
|
free(buf);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
static int tinymix_set_value(struct mixer *mixer, const char *control,
|
|
char **values, unsigned int num_values)
|
|
{
|
|
struct mixer_ctl *ctl;
|
|
enum mixer_ctl_type type;
|
|
unsigned int num_ctl_values;
|
|
unsigned int i;
|
|
|
|
if (isnumber(control))
|
|
ctl = mixer_get_ctl(mixer, atoi(control));
|
|
else
|
|
ctl = mixer_get_ctl_by_name(mixer, control);
|
|
|
|
if (!ctl) {
|
|
fprintf(stderr, "Invalid mixer control: %s\n", control);
|
|
return ENOENT;
|
|
}
|
|
|
|
type = mixer_ctl_get_type(ctl);
|
|
num_ctl_values = mixer_ctl_get_num_values(ctl);
|
|
|
|
if (type == MIXER_CTL_TYPE_BYTE) {
|
|
tinymix_set_byte_ctl(ctl, values, num_values);
|
|
return ENOENT;
|
|
}
|
|
|
|
if (isnumber(values[0])) {
|
|
if (num_values == 1) {
|
|
/* Set all values the same */
|
|
int value = atoi(values[0]);
|
|
|
|
for (i = 0; i < num_ctl_values; i++) {
|
|
if (mixer_ctl_set_value(ctl, i, value)) {
|
|
fprintf(stderr, "Error: invalid value\n");
|
|
return EINVAL;
|
|
}
|
|
}
|
|
} else {
|
|
/* Set multiple values */
|
|
if (num_values > num_ctl_values) {
|
|
fprintf(stderr,
|
|
"Error: %u values given, but control only takes %u\n",
|
|
num_values, num_ctl_values);
|
|
return EINVAL;
|
|
}
|
|
for (i = 0; i < num_values; i++) {
|
|
if (mixer_ctl_set_value(ctl, i, atoi(values[i]))) {
|
|
fprintf(stderr, "Error: invalid value for index %d\n", i);
|
|
return EINVAL;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (type == MIXER_CTL_TYPE_ENUM) {
|
|
if (num_values != 1) {
|
|
fprintf(stderr, "Enclose strings in quotes and try again\n");
|
|
return EINVAL;
|
|
}
|
|
if (mixer_ctl_set_enum_by_string(ctl, values[0])) {
|
|
fprintf(stderr, "Error: invalid enum value\n");
|
|
return EINVAL;
|
|
}
|
|
} else {
|
|
fprintf(stderr, "Error: only enum types can be set with strings\n");
|
|
return EINVAL;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|