mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-09-19 17:49:59 +02:00
ae9ddeb634
Added the dB value handling to amixer sset command. Also, simplify the parser code. Updated man page for dB suffix and some examples.
1893 lines
52 KiB
C
1893 lines
52 KiB
C
/*
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* ALSA command line mixer utility
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* Copyright (c) 1999-2000 by Jaroslav Kysela <perex@suse.cz>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include <stdarg.h>
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#include <ctype.h>
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#include <math.h>
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#include <errno.h>
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#include <assert.h>
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#include <alsa/asoundlib.h>
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#include <sys/poll.h>
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#include "amixer.h"
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#define LEVEL_BASIC (1<<0)
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#define LEVEL_INACTIVE (1<<1)
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#define LEVEL_ID (1<<2)
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static int quiet = 0;
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static int debugflag = 0;
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static int no_check = 0;
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static int smixer_level = 0;
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static int ignore_error = 0;
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static struct snd_mixer_selem_regopt smixer_options;
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static char card[64] = "default";
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static void error(const char *fmt,...)
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{
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va_list va;
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va_start(va, fmt);
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fprintf(stderr, "amixer: ");
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vfprintf(stderr, fmt, va);
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fprintf(stderr, "\n");
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va_end(va);
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}
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static int help(void)
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{
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printf("Usage: amixer <options> [command]\n");
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printf("\nAvailable options:\n");
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printf(" -h,--help this help\n");
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printf(" -c,--card N select the card\n");
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printf(" -D,--device N select the device, default '%s'\n", card);
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printf(" -d,--debug debug mode\n");
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printf(" -n,--nocheck do not perform range checking\n");
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printf(" -v,--version print version of this program\n");
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printf(" -q,--quiet be quiet\n");
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printf(" -i,--inactive show also inactive controls\n");
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printf(" -a,--abstract L select abstraction level (none or basic)\n");
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printf(" -s,--stdin Read and execute commands from stdin sequentially\n");
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printf("\nAvailable commands:\n");
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printf(" scontrols show all mixer simple controls\n");
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printf(" scontents show contents of all mixer simple controls (default command)\n");
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printf(" sset sID P set contents for one mixer simple control\n");
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printf(" sget sID get contents for one mixer simple control\n");
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printf(" controls show all controls for given card\n");
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printf(" contents show contents of all controls for given card\n");
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printf(" cset cID P set control contents for one control\n");
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printf(" cget cID get control contents for one control\n");
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return 0;
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}
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static int info(void)
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{
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int err;
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snd_ctl_t *handle;
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snd_mixer_t *mhandle;
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snd_ctl_card_info_t *info;
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snd_ctl_elem_list_t *clist;
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snd_ctl_card_info_alloca(&info);
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snd_ctl_elem_list_alloca(&clist);
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if ((err = snd_ctl_open(&handle, card, 0)) < 0) {
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error("Control device %s open error: %s", card, snd_strerror(err));
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return err;
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}
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if ((err = snd_ctl_card_info(handle, info)) < 0) {
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error("Control device %s hw info error: %s", card, snd_strerror(err));
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return err;
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}
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printf("Card %s '%s'/'%s'\n", card, snd_ctl_card_info_get_id(info),
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snd_ctl_card_info_get_longname(info));
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printf(" Mixer name : '%s'\n", snd_ctl_card_info_get_mixername(info));
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printf(" Components : '%s'\n", snd_ctl_card_info_get_components(info));
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if ((err = snd_ctl_elem_list(handle, clist)) < 0) {
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error("snd_ctl_elem_list failure: %s", snd_strerror(err));
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} else {
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printf(" Controls : %i\n", snd_ctl_elem_list_get_count(clist));
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}
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snd_ctl_close(handle);
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if ((err = snd_mixer_open(&mhandle, 0)) < 0) {
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error("Mixer open error: %s", snd_strerror(err));
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return err;
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}
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if (smixer_level == 0 && (err = snd_mixer_attach(mhandle, card)) < 0) {
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error("Mixer attach %s error: %s", card, snd_strerror(err));
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snd_mixer_close(mhandle);
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return err;
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}
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if ((err = snd_mixer_selem_register(mhandle, smixer_level > 0 ? &smixer_options : NULL, NULL)) < 0) {
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error("Mixer register error: %s", snd_strerror(err));
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snd_mixer_close(mhandle);
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return err;
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}
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err = snd_mixer_load(mhandle);
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if (err < 0) {
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error("Mixer load %s error: %s", card, snd_strerror(err));
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snd_mixer_close(mhandle);
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return err;
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}
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printf(" Simple ctrls : %i\n", snd_mixer_get_count(mhandle));
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snd_mixer_close(mhandle);
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return 0;
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}
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static const char *control_iface(snd_ctl_elem_id_t *id)
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{
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return snd_ctl_elem_iface_name(snd_ctl_elem_id_get_interface(id));
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}
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static const char *control_type(snd_ctl_elem_info_t *info)
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{
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return snd_ctl_elem_type_name(snd_ctl_elem_info_get_type(info));
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}
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static const char *control_access(snd_ctl_elem_info_t *info)
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{
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static char result[10];
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char *res = result;
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*res++ = snd_ctl_elem_info_is_readable(info) ? 'r' : '-';
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*res++ = snd_ctl_elem_info_is_writable(info) ? 'w' : '-';
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*res++ = snd_ctl_elem_info_is_inactive(info) ? 'i' : '-';
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*res++ = snd_ctl_elem_info_is_volatile(info) ? 'v' : '-';
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*res++ = snd_ctl_elem_info_is_locked(info) ? 'l' : '-';
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*res++ = snd_ctl_elem_info_is_tlv_readable(info) ? 'R' : '-';
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*res++ = snd_ctl_elem_info_is_tlv_writable(info) ? 'W' : '-';
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*res++ = snd_ctl_elem_info_is_tlv_commandable(info) ? 'C' : '-';
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*res++ = '\0';
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return result;
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}
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#define check_range(val, min, max) \
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(no_check ? (val) : ((val < min) ? (min) : (val > max) ? (max) : (val)))
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#if 0
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static int convert_range(int val, int omin, int omax, int nmin, int nmax)
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{
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int orange = omax - omin, nrange = nmax - nmin;
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if (orange == 0)
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return 0;
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return rint((((double)nrange * ((double)val - (double)omin)) + ((double)orange / 2.0)) / ((double)orange + (double)nmin));
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}
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#endif
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#if 0
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static int convert_db_range(int val, int omin, int omax, int nmin, int nmax)
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{
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int orange = omax - omin, nrange = nmax - nmin;
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if (orange == 0)
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return 0;
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return rint((((double)nrange * ((double)val - (double)omin)) + ((double)orange / 2.0)) / (double)orange + (double)nmin);
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}
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#endif
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/* Fuction to convert from volume to percentage. val = volume */
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static int convert_prange(int val, int min, int max)
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{
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int range = max - min;
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int tmp;
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if (range == 0)
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return 0;
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val -= min;
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tmp = rint((double)val/(double)range * 100);
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return tmp;
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}
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/* Function to convert from percentage to volume. val = percentage */
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#define convert_prange1(val, min, max) \
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ceil((val) * ((max) - (min)) * 0.01 + (min))
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static const char *get_percent(int val, int min, int max)
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{
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static char str[32];
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int p;
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p = convert_prange(val, min, max);
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sprintf(str, "%i [%i%%]", val, p);
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return str;
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}
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#if 0
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static const char *get_percent1(int val, int min, int max, int min_dB, int max_dB)
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{
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static char str[32];
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int p, db;
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p = convert_prange(val, min, max);
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db = convert_db_range(val, min, max, min_dB, max_dB);
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sprintf(str, "%i [%i%%] [%i.%02idB]", val, p, db / 100, abs(db % 100));
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return str;
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}
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#endif
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static long get_integer(char **ptr, long min, long max)
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{
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long val = min;
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char *p = *ptr, *s;
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if (*p == ':')
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p++;
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if (*p == '\0' || (!isdigit(*p) && *p != '-'))
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goto out;
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s = p;
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val = strtol(s, &p, 10);
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if (*p == '.') {
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p++;
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strtol(p, &p, 10);
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}
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if (*p == '%') {
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val = (long)convert_prange1(strtod(s, NULL), min, max);
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p++;
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}
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val = check_range(val, min, max);
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if (*p == ',')
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p++;
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out:
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*ptr = p;
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return val;
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}
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static long get_integer64(char **ptr, long long min, long long max)
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{
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long long val = min;
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char *p = *ptr, *s;
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if (*p == ':')
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p++;
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if (*p == '\0' || (!isdigit(*p) && *p != '-'))
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goto out;
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s = p;
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val = strtol(s, &p, 10);
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if (*p == '.') {
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p++;
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strtol(p, &p, 10);
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}
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if (*p == '%') {
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val = (long long)convert_prange1(strtod(s, NULL), min, max);
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p++;
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}
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val = check_range(val, min, max);
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if (*p == ',')
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p++;
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out:
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*ptr = p;
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return val;
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}
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struct volume_ops {
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int (*get_range)(snd_mixer_elem_t *elem, long *min, long *max);
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int (*get)(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t c,
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long *value);
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int (*set)(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t c,
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long value);
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};
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enum { VOL_RAW, VOL_DB };
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struct volume_ops_set {
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int (*has_volume)(snd_mixer_elem_t *elem);
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struct volume_ops v[2];
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};
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static int set_playback_dB(snd_mixer_elem_t *elem,
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snd_mixer_selem_channel_id_t c, long value)
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{
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return snd_mixer_selem_set_playback_dB(elem, c, value, 0);
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}
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static int set_capture_dB(snd_mixer_elem_t *elem,
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snd_mixer_selem_channel_id_t c, long value)
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{
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return snd_mixer_selem_set_capture_dB(elem, c, value, 0);
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}
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static struct volume_ops_set vol_ops[2] = {
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{
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.has_volume = snd_mixer_selem_has_playback_volume,
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.v = {{ snd_mixer_selem_get_playback_volume_range,
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snd_mixer_selem_get_playback_volume,
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snd_mixer_selem_set_playback_volume },
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{ snd_mixer_selem_get_playback_dB_range,
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snd_mixer_selem_get_playback_dB,
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set_playback_dB }},
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},
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{
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.has_volume = snd_mixer_selem_has_capture_volume,
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.v = {{ snd_mixer_selem_get_capture_volume_range,
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snd_mixer_selem_get_capture_volume,
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snd_mixer_selem_set_capture_volume },
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{ snd_mixer_selem_get_capture_dB_range,
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snd_mixer_selem_get_capture_dB,
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set_capture_dB }},
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},
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};
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static int set_volume_simple(snd_mixer_elem_t *elem,
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snd_mixer_selem_channel_id_t chn,
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char **ptr, int dir)
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{
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long val, orig, pmin, pmax;
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char *p = *ptr, *s;
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int invalid = 0, vol_type = VOL_RAW;
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if (! vol_ops[dir].has_volume(elem))
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invalid = 1;
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if (*p == ':')
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p++;
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if (*p == '\0' || (!isdigit(*p) && *p != '-'))
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goto skip;
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if (! invalid &&
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vol_ops[dir].v[VOL_RAW].get_range(elem, &pmin, &pmax) < 0)
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invalid = 1;
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s = p;
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val = strtol(s, &p, 10);
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if (*p == '.') {
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p++;
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strtol(p, &p, 10);
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}
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if (*p == '%') {
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if (! invalid)
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val = (long)convert_prange1(strtod(s, NULL), pmin, pmax);
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p++;
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} else if (p[0] == 'd' && p[1] == 'B') {
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if (! invalid) {
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val = (long)(strtod(s, NULL) * 100.0);
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vol_type = VOL_DB;
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if (vol_ops[dir].v[vol_type].get_range(elem, &pmin, &pmax) < 0)
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invalid = 1;
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}
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p += 2;
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}
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if (*p == '+' || *p == '-') {
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if (! invalid) {
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if (vol_ops[dir].v[vol_type].get(elem, chn, &orig) < 0)
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invalid = 1;
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if (*p == '+')
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val = orig + val;
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else
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val = orig - val;
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}
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p++;
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}
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if (! invalid) {
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val = check_range(val, pmin, pmax);
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vol_ops[dir].v[vol_type].set(elem, chn, val);
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}
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skip:
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if (*p == ',')
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p++;
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*ptr = p;
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return 0;
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}
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static int get_bool_simple(char **ptr, char *str, int invert, int orig)
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{
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if (**ptr == ':')
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(*ptr)++;
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if (!strncasecmp(*ptr, str, strlen(str))) {
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orig = 1 ^ (invert ? 1 : 0);
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while (**ptr != '\0' && **ptr != ',' && **ptr != ':')
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(*ptr)++;
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}
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if (**ptr == ',' || **ptr == ':')
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(*ptr)++;
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return orig;
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}
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static int simple_skip_word(char **ptr, char *str)
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{
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char *xptr = *ptr;
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if (*xptr == ':')
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xptr++;
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if (!strncasecmp(xptr, str, strlen(str))) {
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while (*xptr != '\0' && *xptr != ',' && *xptr != ':')
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xptr++;
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if (*xptr == ',' || *xptr == ':')
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xptr++;
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*ptr = xptr;
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return 1;
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}
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return 0;
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}
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static void show_control_id(snd_ctl_elem_id_t *id)
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{
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unsigned int index, device, subdevice;
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printf("numid=%u,iface=%s,name='%s'",
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snd_ctl_elem_id_get_numid(id),
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control_iface(id),
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snd_ctl_elem_id_get_name(id));
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index = snd_ctl_elem_id_get_index(id);
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device = snd_ctl_elem_id_get_device(id);
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subdevice = snd_ctl_elem_id_get_subdevice(id);
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if (index)
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printf(",index=%i", index);
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if (device)
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printf(",device=%i", device);
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if (subdevice)
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printf(",subdevice=%i", subdevice);
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}
|
|
|
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static void print_spaces(unsigned int spaces)
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{
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while (spaces-- > 0)
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putc(' ', stdout);
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}
|
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|
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static void print_dB(long dB)
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{
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printf("%li.%02lidB", dB / 100, (dB < 0 ? -dB : dB) % 100);
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}
|
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|
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static void decode_tlv(unsigned int spaces, unsigned int *tlv, unsigned int tlv_size)
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{
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unsigned int type = tlv[0];
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unsigned int size;
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unsigned int idx = 0;
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|
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if (tlv_size < 2 * sizeof(unsigned int)) {
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printf("TLV size error!\n");
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return;
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}
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print_spaces(spaces);
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printf("| ");
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type = tlv[idx++];
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size = tlv[idx++];
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tlv_size -= 2 * sizeof(unsigned int);
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if (size > tlv_size) {
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printf("TLV size error (%i, %i, %i)!\n", type, size, tlv_size);
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return;
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}
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switch (type) {
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case SND_CTL_TLVT_CONTAINER:
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size += sizeof(unsigned int) -1;
|
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size /= sizeof(unsigned int);
|
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while (idx < size) {
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if (tlv[idx+1] > (size - idx) * sizeof(unsigned int)) {
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printf("TLV size error in compound!\n");
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return;
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}
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decode_tlv(spaces + 2, tlv + idx, tlv[idx+1]);
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idx += 2 + (tlv[1] + sizeof(unsigned int) - 1) / sizeof(unsigned int);
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}
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break;
|
|
case SND_CTL_TLVT_DB_SCALE:
|
|
printf("dBscale-");
|
|
if (size != 2 * sizeof(unsigned int)) {
|
|
while (size > 0) {
|
|
printf("0x%x", tlv[idx++]);
|
|
size -= sizeof(unsigned int);
|
|
}
|
|
} else {
|
|
printf("min=");
|
|
print_dB(tlv[2]);
|
|
printf(",step=");
|
|
print_dB(tlv[3] & 0xffff);
|
|
printf(",mute=%i", (tlv[3] >> 16) & 1);
|
|
}
|
|
break;
|
|
default:
|
|
printf("unk-%i-", type);
|
|
while (size > 0) {
|
|
printf("0x%x", tlv[idx++]);
|
|
size -= sizeof(unsigned int);
|
|
}
|
|
break;
|
|
}
|
|
putc('\n', stdout);
|
|
}
|
|
|
|
static int show_control(const char *space, snd_hctl_elem_t *elem,
|
|
int level)
|
|
{
|
|
int err;
|
|
unsigned int item, idx, count, *tlv;
|
|
snd_ctl_elem_type_t type;
|
|
snd_ctl_elem_id_t *id;
|
|
snd_ctl_elem_info_t *info;
|
|
snd_ctl_elem_value_t *control;
|
|
snd_ctl_elem_id_alloca(&id);
|
|
snd_ctl_elem_info_alloca(&info);
|
|
snd_ctl_elem_value_alloca(&control);
|
|
if ((err = snd_hctl_elem_info(elem, info)) < 0) {
|
|
error("Control %s snd_hctl_elem_info error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
if (level & LEVEL_ID) {
|
|
snd_hctl_elem_get_id(elem, id);
|
|
show_control_id(id);
|
|
printf("\n");
|
|
}
|
|
count = snd_ctl_elem_info_get_count(info);
|
|
type = snd_ctl_elem_info_get_type(info);
|
|
printf("%s; type=%s,access=%s,values=%i", space, control_type(info), control_access(info), count);
|
|
switch (type) {
|
|
case SND_CTL_ELEM_TYPE_INTEGER:
|
|
printf(",min=%li,max=%li,step=%li\n",
|
|
snd_ctl_elem_info_get_min(info),
|
|
snd_ctl_elem_info_get_max(info),
|
|
snd_ctl_elem_info_get_step(info));
|
|
break;
|
|
case SND_CTL_ELEM_TYPE_INTEGER64:
|
|
printf(",min=%Li,max=%Li,step=%Li\n",
|
|
snd_ctl_elem_info_get_min64(info),
|
|
snd_ctl_elem_info_get_max64(info),
|
|
snd_ctl_elem_info_get_step64(info));
|
|
break;
|
|
case SND_CTL_ELEM_TYPE_ENUMERATED:
|
|
{
|
|
unsigned int items = snd_ctl_elem_info_get_items(info);
|
|
printf(",items=%u\n", items);
|
|
for (item = 0; item < items; item++) {
|
|
snd_ctl_elem_info_set_item(info, item);
|
|
if ((err = snd_hctl_elem_info(elem, info)) < 0) {
|
|
error("Control %s element info error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
printf("%s; Item #%u '%s'\n", space, item, snd_ctl_elem_info_get_item_name(info));
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
printf("\n");
|
|
break;
|
|
}
|
|
if (level & LEVEL_BASIC) {
|
|
if ((err = snd_hctl_elem_read(elem, control)) < 0) {
|
|
error("Control %s element read error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
printf("%s: values=", space);
|
|
for (idx = 0; idx < count; idx++) {
|
|
if (idx > 0)
|
|
printf(",");
|
|
switch (type) {
|
|
case SND_CTL_ELEM_TYPE_BOOLEAN:
|
|
printf("%s", snd_ctl_elem_value_get_boolean(control, idx) ? "on" : "off");
|
|
break;
|
|
case SND_CTL_ELEM_TYPE_INTEGER:
|
|
printf("%li", snd_ctl_elem_value_get_integer(control, idx));
|
|
break;
|
|
case SND_CTL_ELEM_TYPE_INTEGER64:
|
|
printf("%Li", snd_ctl_elem_value_get_integer64(control, idx));
|
|
break;
|
|
case SND_CTL_ELEM_TYPE_ENUMERATED:
|
|
printf("%u", snd_ctl_elem_value_get_enumerated(control, idx));
|
|
break;
|
|
case SND_CTL_ELEM_TYPE_BYTES:
|
|
printf("0x%02x", snd_ctl_elem_value_get_byte(control, idx));
|
|
break;
|
|
default:
|
|
printf("?");
|
|
break;
|
|
}
|
|
}
|
|
printf("\n");
|
|
if (!snd_ctl_elem_info_is_tlv_readable(info))
|
|
goto __skip_tlv;
|
|
tlv = malloc(4096);
|
|
if ((err = snd_hctl_elem_tlv_read(elem, tlv, 4096)) < 0) {
|
|
error("Control %s element TLV read error: %s\n", card, snd_strerror(err));
|
|
free(tlv);
|
|
return err;
|
|
}
|
|
decode_tlv(strlen(space), tlv, 4096);
|
|
free(tlv);
|
|
}
|
|
__skip_tlv:
|
|
return 0;
|
|
}
|
|
|
|
static int controls(int level)
|
|
{
|
|
int err;
|
|
snd_hctl_t *handle;
|
|
snd_hctl_elem_t *elem;
|
|
snd_ctl_elem_id_t *id;
|
|
snd_ctl_elem_info_t *info;
|
|
snd_ctl_elem_id_alloca(&id);
|
|
snd_ctl_elem_info_alloca(&info);
|
|
|
|
if ((err = snd_hctl_open(&handle, card, 0)) < 0) {
|
|
error("Control %s open error: %s", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
if ((err = snd_hctl_load(handle)) < 0) {
|
|
error("Control %s local error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
for (elem = snd_hctl_first_elem(handle); elem; elem = snd_hctl_elem_next(elem)) {
|
|
if ((err = snd_hctl_elem_info(elem, info)) < 0) {
|
|
error("Control %s snd_hctl_elem_info error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
if (!(level & LEVEL_INACTIVE) && snd_ctl_elem_info_is_inactive(info))
|
|
continue;
|
|
snd_hctl_elem_get_id(elem, id);
|
|
show_control_id(id);
|
|
printf("\n");
|
|
if (level & LEVEL_BASIC)
|
|
show_control(" ", elem, 1);
|
|
}
|
|
snd_hctl_close(handle);
|
|
return 0;
|
|
}
|
|
|
|
static int show_selem(snd_mixer_t *handle, snd_mixer_selem_id_t *id, const char *space, int level)
|
|
{
|
|
snd_mixer_selem_channel_id_t chn;
|
|
long pmin = 0, pmax = 0;
|
|
long cmin = 0, cmax = 0;
|
|
long pvol, cvol;
|
|
int psw, csw;
|
|
int pmono, cmono, mono_ok = 0;
|
|
long db;
|
|
snd_mixer_elem_t *elem;
|
|
|
|
elem = snd_mixer_find_selem(handle, id);
|
|
if (!elem) {
|
|
error("Mixer %s simple element not found", card);
|
|
return -ENOENT;
|
|
}
|
|
|
|
if (level & LEVEL_BASIC) {
|
|
printf("%sCapabilities:", space);
|
|
if (snd_mixer_selem_has_common_volume(elem)) {
|
|
printf(" volume");
|
|
if (snd_mixer_selem_has_playback_volume_joined(elem))
|
|
printf(" volume-joined");
|
|
} else {
|
|
if (snd_mixer_selem_has_playback_volume(elem)) {
|
|
printf(" pvolume");
|
|
if (snd_mixer_selem_has_playback_volume_joined(elem))
|
|
printf(" pvolume-joined");
|
|
}
|
|
if (snd_mixer_selem_has_capture_volume(elem)) {
|
|
printf(" cvolume");
|
|
if (snd_mixer_selem_has_capture_volume_joined(elem))
|
|
printf(" cvolume-joined");
|
|
}
|
|
}
|
|
if (snd_mixer_selem_has_common_switch(elem)) {
|
|
printf(" switch");
|
|
if (snd_mixer_selem_has_playback_switch_joined(elem))
|
|
printf(" switch-joined");
|
|
} else {
|
|
if (snd_mixer_selem_has_playback_switch(elem)) {
|
|
printf(" pswitch");
|
|
if (snd_mixer_selem_has_playback_switch_joined(elem))
|
|
printf(" pswitch-joined");
|
|
}
|
|
if (snd_mixer_selem_has_capture_switch(elem)) {
|
|
printf(" cswitch");
|
|
if (snd_mixer_selem_has_capture_switch_joined(elem))
|
|
printf(" cswitch-joined");
|
|
if (snd_mixer_selem_has_capture_switch_exclusive(elem))
|
|
printf(" cswitch-exclusive");
|
|
}
|
|
}
|
|
if (snd_mixer_selem_is_enumerated(elem)) {
|
|
printf(" enum");
|
|
}
|
|
printf("\n");
|
|
if (snd_mixer_selem_is_enumerated(elem)) {
|
|
int i, items;
|
|
unsigned int idx;
|
|
char itemname[40];
|
|
items = snd_mixer_selem_get_enum_items(elem);
|
|
printf(" Items:");
|
|
for (i = 0; i < items; i++) {
|
|
snd_mixer_selem_get_enum_item_name(elem, i, sizeof(itemname) - 1, itemname);
|
|
printf(" '%s'", itemname);
|
|
}
|
|
printf("\n");
|
|
for (i = 0; !snd_mixer_selem_get_enum_item(elem, i, &idx); i++) {
|
|
snd_mixer_selem_get_enum_item_name(elem, idx, sizeof(itemname) - 1, itemname);
|
|
printf(" Item%d: '%s'\n", i, itemname);
|
|
}
|
|
return 0; /* no more thing to do */
|
|
}
|
|
if (snd_mixer_selem_has_capture_switch_exclusive(elem))
|
|
printf("%sCapture exclusive group: %i\n", space,
|
|
snd_mixer_selem_get_capture_group(elem));
|
|
if (snd_mixer_selem_has_playback_volume(elem) ||
|
|
snd_mixer_selem_has_playback_switch(elem)) {
|
|
printf("%sPlayback channels:", space);
|
|
if (snd_mixer_selem_is_playback_mono(elem)) {
|
|
printf(" Mono");
|
|
} else {
|
|
int first = 1;
|
|
for (chn = 0; chn <= SND_MIXER_SCHN_LAST; chn++){
|
|
if (!snd_mixer_selem_has_playback_channel(elem, chn))
|
|
continue;
|
|
if (!first)
|
|
printf(" -");
|
|
printf(" %s", snd_mixer_selem_channel_name(chn));
|
|
first = 0;
|
|
}
|
|
}
|
|
printf("\n");
|
|
}
|
|
if (snd_mixer_selem_has_capture_volume(elem) ||
|
|
snd_mixer_selem_has_capture_switch(elem)) {
|
|
printf("%sCapture channels:", space);
|
|
if (snd_mixer_selem_is_capture_mono(elem)) {
|
|
printf(" Mono");
|
|
} else {
|
|
int first = 1;
|
|
for (chn = 0; chn <= SND_MIXER_SCHN_LAST; chn++){
|
|
if (!snd_mixer_selem_has_capture_channel(elem, chn))
|
|
continue;
|
|
if (!first)
|
|
printf(" -");
|
|
printf(" %s", snd_mixer_selem_channel_name(chn));
|
|
first = 0;
|
|
}
|
|
}
|
|
printf("\n");
|
|
}
|
|
if (snd_mixer_selem_has_playback_volume(elem) ||
|
|
snd_mixer_selem_has_capture_volume(elem)) {
|
|
printf("%sLimits:", space);
|
|
if (snd_mixer_selem_has_common_volume(elem)) {
|
|
snd_mixer_selem_get_playback_volume_range(elem, &pmin, &pmax);
|
|
snd_mixer_selem_get_capture_volume_range(elem, &cmin, &cmax);
|
|
printf(" %li - %li", pmin, pmax);
|
|
} else {
|
|
if (snd_mixer_selem_has_playback_volume(elem)) {
|
|
snd_mixer_selem_get_playback_volume_range(elem, &pmin, &pmax);
|
|
printf(" Playback %li - %li", pmin, pmax);
|
|
}
|
|
if (snd_mixer_selem_has_capture_volume(elem)) {
|
|
snd_mixer_selem_get_capture_volume_range(elem, &cmin, &cmax);
|
|
printf(" Capture %li - %li", cmin, cmax);
|
|
}
|
|
}
|
|
printf("\n");
|
|
}
|
|
pmono = snd_mixer_selem_has_playback_channel(elem, SND_MIXER_SCHN_MONO) &&
|
|
(snd_mixer_selem_is_playback_mono(elem) ||
|
|
(!snd_mixer_selem_has_playback_volume(elem) &&
|
|
!snd_mixer_selem_has_playback_switch(elem)));
|
|
cmono = snd_mixer_selem_has_capture_channel(elem, SND_MIXER_SCHN_MONO) &&
|
|
(snd_mixer_selem_is_capture_mono(elem) ||
|
|
(!snd_mixer_selem_has_capture_volume(elem) &&
|
|
!snd_mixer_selem_has_capture_switch(elem)));
|
|
#if 0
|
|
printf("pmono = %i, cmono = %i (%i, %i, %i, %i)\n", pmono, cmono,
|
|
snd_mixer_selem_has_capture_channel(elem, SND_MIXER_SCHN_MONO),
|
|
snd_mixer_selem_is_capture_mono(elem),
|
|
snd_mixer_selem_has_capture_volume(elem),
|
|
snd_mixer_selem_has_capture_switch(elem));
|
|
#endif
|
|
if (pmono || cmono) {
|
|
if (!mono_ok) {
|
|
printf("%s%s:", space, "Mono");
|
|
mono_ok = 1;
|
|
}
|
|
if (snd_mixer_selem_has_common_volume(elem)) {
|
|
snd_mixer_selem_get_playback_volume(elem, SND_MIXER_SCHN_MONO, &pvol);
|
|
printf(" %s", get_percent(pvol, pmin, pmax));
|
|
if (!snd_mixer_selem_get_playback_dB(elem, SND_MIXER_SCHN_MONO, &db)) {
|
|
printf(" [");
|
|
print_dB(db);
|
|
printf("]");
|
|
}
|
|
}
|
|
if (snd_mixer_selem_has_common_switch(elem)) {
|
|
snd_mixer_selem_get_playback_switch(elem, SND_MIXER_SCHN_MONO, &psw);
|
|
printf(" [%s]", psw ? "on" : "off");
|
|
}
|
|
}
|
|
if (pmono && snd_mixer_selem_has_playback_channel(elem, SND_MIXER_SCHN_MONO)) {
|
|
int title = 0;
|
|
if (!mono_ok) {
|
|
printf("%s%s:", space, "Mono");
|
|
mono_ok = 1;
|
|
}
|
|
if (!snd_mixer_selem_has_common_volume(elem)) {
|
|
if (snd_mixer_selem_has_playback_volume(elem)) {
|
|
printf(" Playback");
|
|
title = 1;
|
|
snd_mixer_selem_get_playback_volume(elem, SND_MIXER_SCHN_MONO, &pvol);
|
|
printf(" %s", get_percent(pvol, pmin, pmax));
|
|
if (!snd_mixer_selem_get_playback_dB(elem, SND_MIXER_SCHN_MONO, &db)) {
|
|
printf(" [");
|
|
print_dB(db);
|
|
printf("]");
|
|
}
|
|
}
|
|
}
|
|
if (!snd_mixer_selem_has_common_switch(elem)) {
|
|
if (snd_mixer_selem_has_playback_switch(elem)) {
|
|
if (!title)
|
|
printf(" Playback");
|
|
snd_mixer_selem_get_playback_switch(elem, SND_MIXER_SCHN_MONO, &psw);
|
|
printf(" [%s]", psw ? "on" : "off");
|
|
}
|
|
}
|
|
}
|
|
if (cmono && snd_mixer_selem_has_capture_channel(elem, SND_MIXER_SCHN_MONO)) {
|
|
int title = 0;
|
|
if (!mono_ok) {
|
|
printf("%s%s:", space, "Mono");
|
|
mono_ok = 1;
|
|
}
|
|
if (!snd_mixer_selem_has_common_volume(elem)) {
|
|
if (snd_mixer_selem_has_capture_volume(elem)) {
|
|
printf(" Capture");
|
|
title = 1;
|
|
snd_mixer_selem_get_capture_volume(elem, SND_MIXER_SCHN_MONO, &cvol);
|
|
printf(" %s", get_percent(cvol, cmin, cmax));
|
|
if (!snd_mixer_selem_get_capture_dB(elem, SND_MIXER_SCHN_MONO, &db)) {
|
|
printf(" [");
|
|
print_dB(db);
|
|
printf("]");
|
|
}
|
|
}
|
|
}
|
|
if (!snd_mixer_selem_has_common_switch(elem)) {
|
|
if (snd_mixer_selem_has_capture_switch(elem)) {
|
|
if (!title)
|
|
printf(" Capture");
|
|
snd_mixer_selem_get_capture_switch(elem, SND_MIXER_SCHN_MONO, &csw);
|
|
printf(" [%s]", csw ? "on" : "off");
|
|
}
|
|
}
|
|
}
|
|
if (pmono || cmono)
|
|
printf("\n");
|
|
if (!pmono || !cmono) {
|
|
for (chn = 0; chn <= SND_MIXER_SCHN_LAST; chn++) {
|
|
if ((pmono || !snd_mixer_selem_has_playback_channel(elem, chn)) &&
|
|
(cmono || !snd_mixer_selem_has_capture_channel(elem, chn)))
|
|
continue;
|
|
printf("%s%s:", space, snd_mixer_selem_channel_name(chn));
|
|
if (!pmono && !cmono && snd_mixer_selem_has_common_volume(elem)) {
|
|
snd_mixer_selem_get_playback_volume(elem, chn, &pvol);
|
|
printf(" %s", get_percent(pvol, pmin, pmax));
|
|
if (!snd_mixer_selem_get_playback_dB(elem, chn, &db)) {
|
|
printf(" [");
|
|
print_dB(db);
|
|
printf("]");
|
|
}
|
|
}
|
|
if (!pmono && !cmono && snd_mixer_selem_has_common_switch(elem)) {
|
|
snd_mixer_selem_get_playback_switch(elem, chn, &psw);
|
|
printf(" [%s]", psw ? "on" : "off");
|
|
}
|
|
if (!pmono && snd_mixer_selem_has_playback_channel(elem, chn)) {
|
|
int title = 0;
|
|
if (!snd_mixer_selem_has_common_volume(elem)) {
|
|
if (snd_mixer_selem_has_playback_volume(elem)) {
|
|
printf(" Playback");
|
|
title = 1;
|
|
snd_mixer_selem_get_playback_volume(elem, chn, &pvol);
|
|
printf(" %s", get_percent(pvol, pmin, pmax));
|
|
if (!snd_mixer_selem_get_playback_dB(elem, chn, &db)) {
|
|
printf(" [");
|
|
print_dB(db);
|
|
printf("]");
|
|
}
|
|
}
|
|
}
|
|
if (!snd_mixer_selem_has_common_switch(elem)) {
|
|
if (snd_mixer_selem_has_playback_switch(elem)) {
|
|
if (!title)
|
|
printf(" Playback");
|
|
snd_mixer_selem_get_playback_switch(elem, chn, &psw);
|
|
printf(" [%s]", psw ? "on" : "off");
|
|
}
|
|
}
|
|
}
|
|
if (!cmono && snd_mixer_selem_has_capture_channel(elem, chn)) {
|
|
int title = 0;
|
|
if (!snd_mixer_selem_has_common_volume(elem)) {
|
|
if (snd_mixer_selem_has_capture_volume(elem)) {
|
|
printf(" Capture");
|
|
title = 1;
|
|
snd_mixer_selem_get_capture_volume(elem, chn, &cvol);
|
|
printf(" %s", get_percent(cvol, cmin, cmax));
|
|
if (!snd_mixer_selem_get_capture_dB(elem, chn, &db)) {
|
|
printf(" [");
|
|
print_dB(db);
|
|
printf("]");
|
|
}
|
|
}
|
|
}
|
|
if (!snd_mixer_selem_has_common_switch(elem)) {
|
|
if (snd_mixer_selem_has_capture_switch(elem)) {
|
|
if (!title)
|
|
printf(" Capture");
|
|
snd_mixer_selem_get_capture_switch(elem, chn, &csw);
|
|
printf(" [%s]", csw ? "on" : "off");
|
|
}
|
|
}
|
|
}
|
|
printf("\n");
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int selems(int level)
|
|
{
|
|
int err;
|
|
snd_mixer_t *handle;
|
|
snd_mixer_selem_id_t *sid;
|
|
snd_mixer_elem_t *elem;
|
|
snd_mixer_selem_id_alloca(&sid);
|
|
|
|
if ((err = snd_mixer_open(&handle, 0)) < 0) {
|
|
error("Mixer %s open error: %s", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
if (smixer_level == 0 && (err = snd_mixer_attach(handle, card)) < 0) {
|
|
error("Mixer attach %s error: %s", card, snd_strerror(err));
|
|
snd_mixer_close(handle);
|
|
return err;
|
|
}
|
|
if ((err = snd_mixer_selem_register(handle, smixer_level > 0 ? &smixer_options : NULL, NULL)) < 0) {
|
|
error("Mixer register error: %s", snd_strerror(err));
|
|
snd_mixer_close(handle);
|
|
return err;
|
|
}
|
|
err = snd_mixer_load(handle);
|
|
if (err < 0) {
|
|
error("Mixer %s load error: %s", card, snd_strerror(err));
|
|
snd_mixer_close(handle);
|
|
return err;
|
|
}
|
|
for (elem = snd_mixer_first_elem(handle); elem; elem = snd_mixer_elem_next(elem)) {
|
|
snd_mixer_selem_get_id(elem, sid);
|
|
if (!(level & LEVEL_INACTIVE) && !snd_mixer_selem_is_active(elem))
|
|
continue;
|
|
printf("Simple mixer control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
|
|
show_selem(handle, sid, " ", level);
|
|
}
|
|
snd_mixer_close(handle);
|
|
return 0;
|
|
}
|
|
|
|
static int parse_control_id(const char *str, snd_ctl_elem_id_t *id)
|
|
{
|
|
int c, size, numid;
|
|
char *ptr;
|
|
|
|
while (*str == ' ' || *str == '\t')
|
|
str++;
|
|
if (!(*str))
|
|
return -EINVAL;
|
|
snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER); /* default */
|
|
while (*str) {
|
|
if (!strncasecmp(str, "numid=", 6)) {
|
|
str += 6;
|
|
numid = atoi(str);
|
|
if (numid <= 0) {
|
|
fprintf(stderr, "amixer: Invalid numid %d\n", numid);
|
|
return -EINVAL;
|
|
}
|
|
snd_ctl_elem_id_set_numid(id, atoi(str));
|
|
while (isdigit(*str))
|
|
str++;
|
|
} else if (!strncasecmp(str, "iface=", 6)) {
|
|
str += 6;
|
|
if (!strncasecmp(str, "card", 4)) {
|
|
snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_CARD);
|
|
str += 4;
|
|
} else if (!strncasecmp(str, "mixer", 5)) {
|
|
snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
|
|
str += 5;
|
|
} else if (!strncasecmp(str, "pcm", 3)) {
|
|
snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_PCM);
|
|
str += 3;
|
|
} else if (!strncasecmp(str, "rawmidi", 7)) {
|
|
snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_RAWMIDI);
|
|
str += 7;
|
|
} else if (!strncasecmp(str, "timer", 5)) {
|
|
snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_TIMER);
|
|
str += 5;
|
|
} else if (!strncasecmp(str, "sequencer", 9)) {
|
|
snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_SEQUENCER);
|
|
str += 9;
|
|
} else {
|
|
return -EINVAL;
|
|
}
|
|
} else if (!strncasecmp(str, "name=", 5)) {
|
|
char buf[64];
|
|
str += 5;
|
|
ptr = buf;
|
|
size = 0;
|
|
if (*str == '\'' || *str == '\"') {
|
|
c = *str++;
|
|
while (*str && *str != c) {
|
|
if (size < (int)sizeof(buf)) {
|
|
*ptr++ = *str;
|
|
size++;
|
|
}
|
|
str++;
|
|
}
|
|
if (*str == c)
|
|
str++;
|
|
} else {
|
|
while (*str && *str != ',') {
|
|
if (size < (int)sizeof(buf)) {
|
|
*ptr++ = *str;
|
|
size++;
|
|
}
|
|
str++;
|
|
}
|
|
*ptr = '\0';
|
|
}
|
|
snd_ctl_elem_id_set_name(id, buf);
|
|
} else if (!strncasecmp(str, "index=", 6)) {
|
|
str += 6;
|
|
snd_ctl_elem_id_set_index(id, atoi(str));
|
|
while (isdigit(*str))
|
|
str++;
|
|
} else if (!strncasecmp(str, "device=", 7)) {
|
|
str += 7;
|
|
snd_ctl_elem_id_set_device(id, atoi(str));
|
|
while (isdigit(*str))
|
|
str++;
|
|
} else if (!strncasecmp(str, "subdevice=", 10)) {
|
|
str += 10;
|
|
snd_ctl_elem_id_set_subdevice(id, atoi(str));
|
|
while (isdigit(*str))
|
|
str++;
|
|
}
|
|
if (*str == ',') {
|
|
str++;
|
|
} else {
|
|
if (*str)
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int parse_simple_id(const char *str, snd_mixer_selem_id_t *sid)
|
|
{
|
|
int c, size;
|
|
char buf[128];
|
|
char *ptr = buf;
|
|
|
|
while (*str == ' ' || *str == '\t')
|
|
str++;
|
|
if (!(*str))
|
|
return -EINVAL;
|
|
size = 1; /* for '\0' */
|
|
if (*str != '"' && *str != '\'') {
|
|
while (*str && *str != ',') {
|
|
if (size < (int)sizeof(buf)) {
|
|
*ptr++ = *str;
|
|
size++;
|
|
}
|
|
str++;
|
|
}
|
|
} else {
|
|
c = *str++;
|
|
while (*str && *str != c) {
|
|
if (size < (int)sizeof(buf)) {
|
|
*ptr++ = *str;
|
|
size++;
|
|
}
|
|
str++;
|
|
}
|
|
if (*str == c)
|
|
str++;
|
|
}
|
|
if (*str == '\0') {
|
|
snd_mixer_selem_id_set_index(sid, 0);
|
|
*ptr = 0;
|
|
goto _set;
|
|
}
|
|
if (*str != ',')
|
|
return -EINVAL;
|
|
*ptr = 0; /* terminate the string */
|
|
str++;
|
|
if (!isdigit(*str))
|
|
return -EINVAL;
|
|
snd_mixer_selem_id_set_index(sid, atoi(str));
|
|
_set:
|
|
snd_mixer_selem_id_set_name(sid, buf);
|
|
return 0;
|
|
}
|
|
|
|
static int cset(int argc, char *argv[], int roflag, int keep_handle)
|
|
{
|
|
int err;
|
|
static snd_ctl_t *handle = NULL;
|
|
snd_ctl_elem_info_t *info;
|
|
snd_ctl_elem_id_t *id;
|
|
snd_ctl_elem_value_t *control;
|
|
char *ptr;
|
|
unsigned int idx, count;
|
|
long tmp;
|
|
snd_ctl_elem_type_t type;
|
|
snd_ctl_elem_info_alloca(&info);
|
|
snd_ctl_elem_id_alloca(&id);
|
|
snd_ctl_elem_value_alloca(&control);
|
|
|
|
if (argc < 1) {
|
|
fprintf(stderr, "Specify a full control identifier: [[iface=<iface>,][name='name',][index=<index>,][device=<device>,][subdevice=<subdevice>]]|[numid=<numid>]\n");
|
|
return -EINVAL;
|
|
}
|
|
if (parse_control_id(argv[0], id)) {
|
|
fprintf(stderr, "Wrong control identifier: %s\n", argv[0]);
|
|
return -EINVAL;
|
|
}
|
|
if (debugflag) {
|
|
printf("VERIFY ID: ");
|
|
show_control_id(id);
|
|
printf("\n");
|
|
}
|
|
if (handle == NULL &&
|
|
(err = snd_ctl_open(&handle, card, 0)) < 0) {
|
|
error("Control %s open error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
snd_ctl_elem_info_set_id(info, id);
|
|
if ((err = snd_ctl_elem_info(handle, info)) < 0) {
|
|
if (ignore_error)
|
|
return 0;
|
|
error("Cannot find the given element from control %s\n", card);
|
|
return err;
|
|
}
|
|
snd_ctl_elem_info_get_id(info, id); /* FIXME: Remove it when hctl find works ok !!! */
|
|
type = snd_ctl_elem_info_get_type(info);
|
|
count = snd_ctl_elem_info_get_count(info);
|
|
snd_ctl_elem_value_set_id(control, id);
|
|
|
|
if (!roflag) {
|
|
ptr = argv[1];
|
|
for (idx = 0; idx < count && idx < 128 && ptr && *ptr; idx++) {
|
|
switch (type) {
|
|
case SND_CTL_ELEM_TYPE_BOOLEAN:
|
|
tmp = 0;
|
|
if (!strncasecmp(ptr, "on", 2) || !strncasecmp(ptr, "up", 2)) {
|
|
tmp = 1;
|
|
ptr += 2;
|
|
} else if (!strncasecmp(ptr, "yes", 3)) {
|
|
tmp = 1;
|
|
ptr += 3;
|
|
} else if (!strncasecmp(ptr, "toggle", 6)) {
|
|
tmp = snd_ctl_elem_value_get_boolean(control, idx);
|
|
tmp = tmp > 0 ? 0 : 1;
|
|
ptr += 6;
|
|
} else if (isdigit(*ptr)) {
|
|
tmp = atoi(ptr) > 0 ? 1 : 0;
|
|
while (isdigit(*ptr))
|
|
ptr++;
|
|
} else {
|
|
while (*ptr && *ptr != ',')
|
|
ptr++;
|
|
}
|
|
snd_ctl_elem_value_set_boolean(control, idx, tmp);
|
|
break;
|
|
case SND_CTL_ELEM_TYPE_INTEGER:
|
|
tmp = get_integer(&ptr,
|
|
snd_ctl_elem_info_get_min(info),
|
|
snd_ctl_elem_info_get_max(info));
|
|
snd_ctl_elem_value_set_integer(control, idx, tmp);
|
|
break;
|
|
case SND_CTL_ELEM_TYPE_INTEGER64:
|
|
tmp = get_integer64(&ptr,
|
|
snd_ctl_elem_info_get_min64(info),
|
|
snd_ctl_elem_info_get_max64(info));
|
|
snd_ctl_elem_value_set_integer64(control, idx, tmp);
|
|
break;
|
|
case SND_CTL_ELEM_TYPE_ENUMERATED:
|
|
tmp = get_integer(&ptr, 0, snd_ctl_elem_info_get_items(info) - 1);
|
|
snd_ctl_elem_value_set_enumerated(control, idx, tmp);
|
|
break;
|
|
case SND_CTL_ELEM_TYPE_BYTES:
|
|
tmp = get_integer(&ptr, 0, 255);
|
|
snd_ctl_elem_value_set_byte(control, idx, tmp);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (!strchr(argv[1], ','))
|
|
ptr = argv[1];
|
|
else if (*ptr == ',')
|
|
ptr++;
|
|
}
|
|
if ((err = snd_ctl_elem_write(handle, control)) < 0) {
|
|
if (ignore_error)
|
|
return 0;
|
|
error("Control %s element write error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
}
|
|
if (! keep_handle) {
|
|
snd_ctl_close(handle);
|
|
handle = NULL;
|
|
}
|
|
if (!quiet) {
|
|
snd_hctl_t *hctl;
|
|
snd_hctl_elem_t *elem;
|
|
if ((err = snd_hctl_open(&hctl, card, 0)) < 0) {
|
|
error("Control %s open error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
if ((err = snd_hctl_load(hctl)) < 0) {
|
|
error("Control %s load error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
elem = snd_hctl_find_elem(hctl, id);
|
|
if (elem)
|
|
show_control(" ", elem, LEVEL_BASIC | LEVEL_ID);
|
|
else
|
|
printf("Could not find the specified element\n");
|
|
snd_hctl_close(hctl);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
typedef struct channel_mask {
|
|
char *name;
|
|
unsigned int mask;
|
|
} channel_mask_t;
|
|
static channel_mask_t chanmask[] = {
|
|
{"frontleft", 1 << SND_MIXER_SCHN_FRONT_LEFT},
|
|
{"frontright", 1 << SND_MIXER_SCHN_FRONT_RIGHT},
|
|
{"frontcenter", 1 << SND_MIXER_SCHN_FRONT_CENTER},
|
|
{"front", ((1 << SND_MIXER_SCHN_FRONT_LEFT) |
|
|
(1 << SND_MIXER_SCHN_FRONT_RIGHT))},
|
|
{"center", 1 << SND_MIXER_SCHN_FRONT_CENTER},
|
|
{"rearleft", 1 << SND_MIXER_SCHN_REAR_LEFT},
|
|
{"rearright", 1 << SND_MIXER_SCHN_REAR_RIGHT},
|
|
{"rear", ((1 << SND_MIXER_SCHN_REAR_LEFT) |
|
|
(1 << SND_MIXER_SCHN_REAR_RIGHT))},
|
|
{"woofer", 1 << SND_MIXER_SCHN_WOOFER},
|
|
{NULL, 0}
|
|
};
|
|
|
|
static unsigned int channels_mask(char **arg, unsigned int def)
|
|
{
|
|
channel_mask_t *c;
|
|
|
|
for (c = chanmask; c->name; c++) {
|
|
if (strncasecmp(*arg, c->name, strlen(c->name)) == 0) {
|
|
while (**arg != '\0' && **arg != ',' && **arg != ' ' && **arg != '\t')
|
|
(*arg)++;
|
|
if (**arg == ',' || **arg == ' ' || **arg == '\t')
|
|
(*arg)++;
|
|
return c->mask;
|
|
}
|
|
}
|
|
return def;
|
|
}
|
|
|
|
static unsigned int dir_mask(char **arg, unsigned int def)
|
|
{
|
|
int findend = 0;
|
|
|
|
if (strncasecmp(*arg, "playback", 8) == 0)
|
|
def = findend = 1;
|
|
else if (strncasecmp(*arg, "capture", 8) == 0)
|
|
def = findend = 2;
|
|
if (findend) {
|
|
while (**arg != '\0' && **arg != ',' && **arg != ' ' && **arg != '\t')
|
|
(*arg)++;
|
|
if (**arg == ',' || **arg == ' ' || **arg == '\t')
|
|
(*arg)++;
|
|
}
|
|
return def;
|
|
}
|
|
|
|
static int get_enum_item_index(snd_mixer_elem_t *elem, char **ptrp)
|
|
{
|
|
char *ptr = *ptrp;
|
|
int items, i, len;
|
|
char name[40];
|
|
|
|
items = snd_mixer_selem_get_enum_items(elem);
|
|
if (items <= 0)
|
|
return -1;
|
|
|
|
for (i = 0; i < items; i++) {
|
|
if (snd_mixer_selem_get_enum_item_name(elem, i, sizeof(name)-1, name) < 0)
|
|
continue;
|
|
len = strlen(name);
|
|
if (! strncmp(name, ptr, len)) {
|
|
if (! ptr[len] || ptr[len] == ',' || ptr[len] == '\n') {
|
|
ptr += len;
|
|
*ptrp = ptr;
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static int sset(unsigned int argc, char *argv[], int roflag, int keep_handle)
|
|
{
|
|
int err;
|
|
unsigned int idx;
|
|
snd_mixer_selem_channel_id_t chn;
|
|
unsigned int channels = ~0U;
|
|
unsigned int dir = 3, okflag = 3;
|
|
static snd_mixer_t *handle = NULL;
|
|
snd_mixer_elem_t *elem;
|
|
snd_mixer_selem_id_t *sid;
|
|
snd_mixer_selem_id_alloca(&sid);
|
|
|
|
if (argc < 1) {
|
|
fprintf(stderr, "Specify a scontrol identifier: 'name',index\n");
|
|
return 1;
|
|
}
|
|
if (parse_simple_id(argv[0], sid)) {
|
|
fprintf(stderr, "Wrong scontrol identifier: %s\n", argv[0]);
|
|
return 1;
|
|
}
|
|
if (!roflag && argc < 2) {
|
|
fprintf(stderr, "Specify what you want to set...\n");
|
|
return 1;
|
|
}
|
|
if (handle == NULL) {
|
|
if ((err = snd_mixer_open(&handle, 0)) < 0) {
|
|
error("Mixer %s open error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
if (smixer_level == 0 && (err = snd_mixer_attach(handle, card)) < 0) {
|
|
error("Mixer attach %s error: %s", card, snd_strerror(err));
|
|
snd_mixer_close(handle);
|
|
handle = NULL;
|
|
return err;
|
|
}
|
|
if ((err = snd_mixer_selem_register(handle, smixer_level > 0 ? &smixer_options : NULL, NULL)) < 0) {
|
|
error("Mixer register error: %s", snd_strerror(err));
|
|
snd_mixer_close(handle);
|
|
handle = NULL;
|
|
return err;
|
|
}
|
|
err = snd_mixer_load(handle);
|
|
if (err < 0) {
|
|
error("Mixer %s load error: %s", card, snd_strerror(err));
|
|
snd_mixer_close(handle);
|
|
handle = NULL;
|
|
return err;
|
|
}
|
|
}
|
|
elem = snd_mixer_find_selem(handle, sid);
|
|
if (!elem) {
|
|
if (ignore_error)
|
|
return 0;
|
|
error("Unable to find simple control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
|
|
snd_mixer_close(handle);
|
|
handle = NULL;
|
|
return -ENOENT;
|
|
}
|
|
if (roflag)
|
|
goto __skip_write;
|
|
for (idx = 1; idx < argc; idx++) {
|
|
char *ptr = argv[idx], *optr;
|
|
int multi, firstchn = 1;
|
|
channels = channels_mask(&ptr, channels);
|
|
if (*ptr == '\0')
|
|
continue;
|
|
dir = dir_mask(&ptr, dir);
|
|
if (*ptr == '\0')
|
|
continue;
|
|
multi = (strchr(ptr, ',') != NULL);
|
|
optr = ptr;
|
|
for (chn = 0; chn <= SND_MIXER_SCHN_LAST; chn++) {
|
|
char *sptr = NULL;
|
|
int ival;
|
|
|
|
if (!(channels & (1 << chn)))
|
|
continue;
|
|
/* enum control */
|
|
if (snd_mixer_selem_is_enumerated(elem)) {
|
|
int idx = get_enum_item_index(elem, &ptr);
|
|
if (idx < 0)
|
|
break;
|
|
else
|
|
snd_mixer_selem_set_enum_item(elem, chn, idx);
|
|
if (!multi)
|
|
ptr = optr;
|
|
continue;
|
|
}
|
|
|
|
if ((dir & 1) && snd_mixer_selem_has_playback_channel(elem, chn)) {
|
|
sptr = ptr;
|
|
if (!strncmp(ptr, "mute", 4) && snd_mixer_selem_has_playback_switch(elem)) {
|
|
snd_mixer_selem_get_playback_switch(elem, chn, &ival);
|
|
snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "mute", 1, ival));
|
|
} else if (!strncmp(ptr, "off", 3) && snd_mixer_selem_has_playback_switch(elem)) {
|
|
snd_mixer_selem_get_playback_switch(elem, chn, &ival);
|
|
snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "off", 1, ival));
|
|
} else if (!strncmp(ptr, "unmute", 6) && snd_mixer_selem_has_playback_switch(elem)) {
|
|
snd_mixer_selem_get_playback_switch(elem, chn, &ival);
|
|
snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "unmute", 0, ival));
|
|
} else if (!strncmp(ptr, "on", 2) && snd_mixer_selem_has_playback_switch(elem)) {
|
|
snd_mixer_selem_get_playback_switch(elem, chn, &ival);
|
|
snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "on", 0, ival));
|
|
} else if (!strncmp(ptr, "toggle", 6) && snd_mixer_selem_has_playback_switch(elem)) {
|
|
if (firstchn || !snd_mixer_selem_has_playback_switch_joined(elem)) {
|
|
snd_mixer_selem_get_playback_switch(elem, chn, &ival);
|
|
snd_mixer_selem_set_playback_switch(elem, chn, (ival ? 1 : 0) ^ 1);
|
|
}
|
|
simple_skip_word(&ptr, "toggle");
|
|
} else if (isdigit(*ptr) || *ptr == '-' || *ptr == '+') {
|
|
set_volume_simple(elem, chn, &ptr, 0);
|
|
} else if (simple_skip_word(&ptr, "cap") || simple_skip_word(&ptr, "rec") ||
|
|
simple_skip_word(&ptr, "nocap") || simple_skip_word(&ptr, "norec")) {
|
|
/* nothing */
|
|
} else {
|
|
okflag &= ~1;
|
|
}
|
|
}
|
|
if ((dir & 2) && snd_mixer_selem_has_capture_channel(elem, chn)) {
|
|
if (sptr != NULL)
|
|
ptr = sptr;
|
|
sptr = ptr;
|
|
if (!strncmp(ptr, "cap", 3) && snd_mixer_selem_has_capture_switch(elem)) {
|
|
snd_mixer_selem_get_capture_switch(elem, chn, &ival);
|
|
snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "cap", 0, ival));
|
|
} else if (!strncmp(ptr, "rec", 3) && snd_mixer_selem_has_capture_switch(elem)) {
|
|
snd_mixer_selem_get_capture_switch(elem, chn, &ival);
|
|
snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "rec", 0, ival));
|
|
} else if (!strncmp(ptr, "nocap", 5) && snd_mixer_selem_has_capture_switch(elem)) {
|
|
snd_mixer_selem_get_capture_switch(elem, chn, &ival);
|
|
snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "nocap", 1, ival));
|
|
} else if (!strncmp(ptr, "norec", 5) && snd_mixer_selem_has_capture_switch(elem)) {
|
|
snd_mixer_selem_get_capture_switch(elem, chn, &ival);
|
|
snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "norec", 1, ival));
|
|
} else if (!strncmp(ptr, "toggle", 6) && snd_mixer_selem_has_capture_switch(elem)) {
|
|
if (firstchn || !snd_mixer_selem_has_capture_switch_joined(elem)) {
|
|
snd_mixer_selem_get_capture_switch(elem, chn, &ival);
|
|
snd_mixer_selem_set_capture_switch(elem, chn, (ival ? 1 : 0) ^ 1);
|
|
}
|
|
simple_skip_word(&ptr, "toggle");
|
|
} else if (isdigit(*ptr) || *ptr == '-' || *ptr == '+') {
|
|
set_volume_simple(elem, chn, &ptr, 1);
|
|
} else if (simple_skip_word(&ptr, "mute") || simple_skip_word(&ptr, "off") ||
|
|
simple_skip_word(&ptr, "unmute") || simple_skip_word(&ptr, "on")) {
|
|
/* nothing */
|
|
} else {
|
|
okflag &= ~2;
|
|
}
|
|
}
|
|
if (okflag == 0) {
|
|
if (debugflag) {
|
|
if (dir & 1)
|
|
error("Unknown playback setup '%s'..\n", ptr);
|
|
if (dir & 2)
|
|
error("Unknown capture setup '%s'..\n", ptr);
|
|
}
|
|
if (! keep_handle) {
|
|
snd_mixer_close(handle);
|
|
handle = NULL;
|
|
}
|
|
return 0;
|
|
}
|
|
if (!multi)
|
|
ptr = optr;
|
|
firstchn = 0;
|
|
}
|
|
}
|
|
__skip_write:
|
|
if (!quiet) {
|
|
printf("Simple mixer control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
|
|
show_selem(handle, sid, " ", 1);
|
|
}
|
|
if (! keep_handle) {
|
|
snd_mixer_close(handle);
|
|
handle = NULL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void events_info(snd_hctl_elem_t *helem)
|
|
{
|
|
snd_ctl_elem_id_t *id;
|
|
snd_ctl_elem_id_alloca(&id);
|
|
snd_hctl_elem_get_id(helem, id);
|
|
printf("event info: ");
|
|
show_control_id(id);
|
|
printf("\n");
|
|
}
|
|
|
|
static void events_value(snd_hctl_elem_t *helem)
|
|
{
|
|
snd_ctl_elem_id_t *id;
|
|
snd_ctl_elem_id_alloca(&id);
|
|
snd_hctl_elem_get_id(helem, id);
|
|
printf("event value: ");
|
|
show_control_id(id);
|
|
printf("\n");
|
|
}
|
|
|
|
static void events_remove(snd_hctl_elem_t *helem)
|
|
{
|
|
snd_ctl_elem_id_t *id;
|
|
snd_ctl_elem_id_alloca(&id);
|
|
snd_hctl_elem_get_id(helem, id);
|
|
printf("event remove: ");
|
|
show_control_id(id);
|
|
printf("\n");
|
|
}
|
|
|
|
int element_callback(snd_hctl_elem_t *elem, unsigned int mask)
|
|
{
|
|
if (mask == SND_CTL_EVENT_MASK_REMOVE) {
|
|
events_remove(elem);
|
|
return 0;
|
|
}
|
|
if (mask & SND_CTL_EVENT_MASK_INFO)
|
|
events_info(elem);
|
|
if (mask & SND_CTL_EVENT_MASK_VALUE)
|
|
events_value(elem);
|
|
return 0;
|
|
}
|
|
|
|
static void events_add(snd_hctl_elem_t *helem)
|
|
{
|
|
snd_ctl_elem_id_t *id;
|
|
snd_ctl_elem_id_alloca(&id);
|
|
snd_hctl_elem_get_id(helem, id);
|
|
printf("event add: ");
|
|
show_control_id(id);
|
|
printf("\n");
|
|
snd_hctl_elem_set_callback(helem, element_callback);
|
|
}
|
|
|
|
int ctl_callback(snd_hctl_t *ctl, unsigned int mask,
|
|
snd_hctl_elem_t *elem)
|
|
{
|
|
if (mask & SND_CTL_EVENT_MASK_ADD)
|
|
events_add(elem);
|
|
return 0;
|
|
}
|
|
|
|
static int events(int argc ATTRIBUTE_UNUSED, char *argv[] ATTRIBUTE_UNUSED)
|
|
{
|
|
snd_hctl_t *handle;
|
|
snd_hctl_elem_t *helem;
|
|
int err;
|
|
|
|
if ((err = snd_hctl_open(&handle, card, 0)) < 0) {
|
|
error("Control %s open error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
snd_hctl_set_callback(handle, ctl_callback);
|
|
if ((err = snd_hctl_load(handle)) < 0) {
|
|
error("Control %s hbuild error: %s\n", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
for (helem = snd_hctl_first_elem(handle); helem; helem = snd_hctl_elem_next(helem)) {
|
|
snd_hctl_elem_set_callback(helem, element_callback);
|
|
}
|
|
printf("Ready to listen...\n");
|
|
while (1) {
|
|
int res = snd_hctl_wait(handle, -1);
|
|
if (res >= 0) {
|
|
printf("Poll ok: %i\n", res);
|
|
res = snd_hctl_handle_events(handle);
|
|
assert(res > 0);
|
|
}
|
|
}
|
|
snd_hctl_close(handle);
|
|
return 0;
|
|
}
|
|
|
|
static void sevents_value(snd_mixer_selem_id_t *sid)
|
|
{
|
|
printf("event value: '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
|
|
}
|
|
|
|
static void sevents_info(snd_mixer_selem_id_t *sid)
|
|
{
|
|
printf("event info: '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
|
|
}
|
|
|
|
static void sevents_remove(snd_mixer_selem_id_t *sid)
|
|
{
|
|
printf("event remove: '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
|
|
}
|
|
|
|
int melem_event(snd_mixer_elem_t *elem, unsigned int mask)
|
|
{
|
|
snd_mixer_selem_id_t *sid;
|
|
snd_mixer_selem_id_alloca(&sid);
|
|
snd_mixer_selem_get_id(elem, sid);
|
|
if (mask == SND_CTL_EVENT_MASK_REMOVE) {
|
|
sevents_remove(sid);
|
|
return 0;
|
|
}
|
|
if (mask & SND_CTL_EVENT_MASK_INFO)
|
|
sevents_info(sid);
|
|
if (mask & SND_CTL_EVENT_MASK_VALUE)
|
|
sevents_value(sid);
|
|
return 0;
|
|
}
|
|
|
|
static void sevents_add(snd_mixer_elem_t *elem)
|
|
{
|
|
snd_mixer_selem_id_t *sid;
|
|
snd_mixer_selem_id_alloca(&sid);
|
|
snd_mixer_selem_get_id(elem, sid);
|
|
printf("event add: '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
|
|
snd_mixer_elem_set_callback(elem, melem_event);
|
|
}
|
|
|
|
int mixer_event(snd_mixer_t *mixer, unsigned int mask,
|
|
snd_mixer_elem_t *elem)
|
|
{
|
|
if (mask & SND_CTL_EVENT_MASK_ADD)
|
|
sevents_add(elem);
|
|
return 0;
|
|
}
|
|
|
|
static int sevents(int argc ATTRIBUTE_UNUSED, char *argv[] ATTRIBUTE_UNUSED)
|
|
{
|
|
snd_mixer_t *handle;
|
|
int err;
|
|
|
|
if ((err = snd_mixer_open(&handle, 0)) < 0) {
|
|
error("Mixer %s open error: %s", card, snd_strerror(err));
|
|
return err;
|
|
}
|
|
if (smixer_level == 0 && (err = snd_mixer_attach(handle, card)) < 0) {
|
|
error("Mixer attach %s error: %s", card, snd_strerror(err));
|
|
snd_mixer_close(handle);
|
|
return err;
|
|
}
|
|
if ((err = snd_mixer_selem_register(handle, smixer_level > 0 ? &smixer_options : NULL, NULL)) < 0) {
|
|
error("Mixer register error: %s", snd_strerror(err));
|
|
snd_mixer_close(handle);
|
|
return err;
|
|
}
|
|
snd_mixer_set_callback(handle, mixer_event);
|
|
err = snd_mixer_load(handle);
|
|
if (err < 0) {
|
|
error("Mixer %s load error: %s", card, snd_strerror(err));
|
|
snd_mixer_close(handle);
|
|
return err;
|
|
}
|
|
|
|
printf("Ready to listen...\n");
|
|
while (1) {
|
|
int res;
|
|
res = snd_mixer_wait(handle, -1);
|
|
if (res >= 0) {
|
|
printf("Poll ok: %i\n", res);
|
|
res = snd_mixer_handle_events(handle);
|
|
assert(res >= 0);
|
|
}
|
|
}
|
|
snd_mixer_close(handle);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* split a line into tokens
|
|
* the content in the line buffer is modified
|
|
*/
|
|
static int split_line(char *buf, char **token, int max_token)
|
|
{
|
|
char *dst;
|
|
int n, esc, quote;
|
|
|
|
for (n = 0; n < max_token; n++) {
|
|
while (isspace(*buf))
|
|
buf++;
|
|
if (! *buf || *buf == '\n')
|
|
return n;
|
|
/* skip comments */
|
|
if (*buf == '#' || *buf == '!')
|
|
return n;
|
|
esc = 0;
|
|
quote = 0;
|
|
token[n] = buf;
|
|
for (dst = buf; *buf && *buf != '\n'; buf++) {
|
|
if (esc)
|
|
esc = 0;
|
|
else if (isspace(*buf) && !quote) {
|
|
buf++;
|
|
break;
|
|
} else if (*buf == '\\') {
|
|
esc = 1;
|
|
continue;
|
|
} else if (*buf == '\'' || *buf == '"') {
|
|
if (! quote) {
|
|
quote = *buf;
|
|
continue;
|
|
} else if (*buf == quote) {
|
|
quote = 0;
|
|
continue;
|
|
}
|
|
}
|
|
*dst++ = *buf;
|
|
}
|
|
*dst = 0;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
#define MAX_ARGS 32
|
|
|
|
static int exec_stdin(void)
|
|
{
|
|
int narg;
|
|
char buf[256], *args[MAX_ARGS];
|
|
int err = 0;
|
|
|
|
/* quiet = 1; */
|
|
ignore_error = 1;
|
|
|
|
while (fgets(buf, sizeof(buf), stdin)) {
|
|
narg = split_line(buf, args, MAX_ARGS);
|
|
if (narg > 0) {
|
|
if (!strcmp(args[0], "sset") || !strcmp(args[0], "set"))
|
|
err = sset(narg - 1, args + 1, 0, 1);
|
|
else if (!strcmp(args[0], "cset"))
|
|
err = cset(narg - 1, args + 1, 0, 1);
|
|
if (err < 0)
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int morehelp, level = 0;
|
|
int read_stdin = 0;
|
|
static struct option long_option[] =
|
|
{
|
|
{"help", 0, NULL, 'h'},
|
|
{"card", 1, NULL, 'c'},
|
|
{"device", 1, NULL, 'D'},
|
|
{"quiet", 0, NULL, 'q'},
|
|
{"inactive", 0, NULL, 'i'},
|
|
{"debug", 0, NULL, 'd'},
|
|
{"nocheck", 0, NULL, 'n'},
|
|
{"version", 0, NULL, 'v'},
|
|
{"abstract", 1, NULL, 'a'},
|
|
{"stdin", 0, NULL, 's'},
|
|
{NULL, 0, NULL, 0},
|
|
};
|
|
|
|
morehelp = 0;
|
|
while (1) {
|
|
int c;
|
|
|
|
if ((c = getopt_long(argc, argv, "hc:D:qidnva:s", long_option, NULL)) < 0)
|
|
break;
|
|
switch (c) {
|
|
case 'h':
|
|
help();
|
|
return 0;
|
|
case 'c':
|
|
{
|
|
int i;
|
|
i = snd_card_get_index(optarg);
|
|
if (i >= 0 && i < 32)
|
|
sprintf(card, "hw:%i", i);
|
|
else {
|
|
fprintf(stderr, "\07Invalid card number.\n");
|
|
morehelp++;
|
|
}
|
|
}
|
|
break;
|
|
case 'D':
|
|
strncpy(card, optarg, sizeof(card)-1);
|
|
card[sizeof(card)-1] = '\0';
|
|
break;
|
|
case 'q':
|
|
quiet = 1;
|
|
break;
|
|
case 'i':
|
|
level |= LEVEL_INACTIVE;
|
|
break;
|
|
case 'd':
|
|
debugflag = 1;
|
|
break;
|
|
case 'n':
|
|
no_check = 1;
|
|
break;
|
|
case 'v':
|
|
printf("amixer version " SND_UTIL_VERSION_STR "\n");
|
|
return 1;
|
|
case 'a':
|
|
smixer_level = 1;
|
|
memset(&smixer_options, 0, sizeof(smixer_options));
|
|
smixer_options.ver = 1;
|
|
if (!strcmp(optarg, "none"))
|
|
smixer_options.abstract = SND_MIXER_SABSTRACT_NONE;
|
|
else if (!strcmp(optarg, "basic"))
|
|
smixer_options.abstract = SND_MIXER_SABSTRACT_BASIC;
|
|
else {
|
|
fprintf(stderr, "Select correct abstraction level (none or basic)...\n");
|
|
morehelp++;
|
|
}
|
|
break;
|
|
case 's':
|
|
read_stdin = 1;
|
|
break;
|
|
default:
|
|
fprintf(stderr, "\07Invalid switch or option needs an argument.\n");
|
|
morehelp++;
|
|
}
|
|
}
|
|
if (morehelp) {
|
|
help();
|
|
return 1;
|
|
}
|
|
smixer_options.device = card;
|
|
|
|
if (read_stdin)
|
|
return exec_stdin();
|
|
|
|
if (argc - optind <= 0) {
|
|
return selems(LEVEL_BASIC | level) ? 1 : 0;
|
|
}
|
|
if (!strcmp(argv[optind], "help")) {
|
|
return help() ? 1 : 0;
|
|
} else if (!strcmp(argv[optind], "info")) {
|
|
return info() ? 1 : 0;
|
|
} else if (!strcmp(argv[optind], "controls")) {
|
|
return controls(level) ? 1 : 0;
|
|
} else if (!strcmp(argv[optind], "contents")) {
|
|
return controls(LEVEL_BASIC | level) ? 1 : 0;
|
|
} else if (!strcmp(argv[optind], "scontrols") || !strcmp(argv[optind], "simple")) {
|
|
return selems(level) ? 1 : 0;
|
|
} else if (!strcmp(argv[optind], "scontents")) {
|
|
return selems(LEVEL_BASIC | level) ? 1 : 0;
|
|
} else if (!strcmp(argv[optind], "sset") || !strcmp(argv[optind], "set")) {
|
|
return sset(argc - optind - 1, argc - optind > 1 ? argv + optind + 1 : NULL, 0, 0) ? 1 : 0;
|
|
} else if (!strcmp(argv[optind], "sget") || !strcmp(argv[optind], "get")) {
|
|
return sset(argc - optind - 1, argc - optind > 1 ? argv + optind + 1 : NULL, 1, 0) ? 1 : 0;
|
|
} else if (!strcmp(argv[optind], "cset")) {
|
|
return cset(argc - optind - 1, argc - optind > 1 ? argv + optind + 1 : NULL, 0, 0) ? 1 : 0;
|
|
} else if (!strcmp(argv[optind], "cget")) {
|
|
return cset(argc - optind - 1, argc - optind > 1 ? argv + optind + 1 : NULL, 1, 0) ? 1 : 0;
|
|
} else if (!strcmp(argv[optind], "events")) {
|
|
return events(argc - optind - 1, argc - optind > 1 ? argv + optind + 1 : NULL);
|
|
} else if (!strcmp(argv[optind], "sevents")) {
|
|
return sevents(argc - optind - 1, argc - optind > 1 ? argv + optind + 1 : NULL);
|
|
} else {
|
|
fprintf(stderr, "amixer: Unknown command '%s'...\n", argv[optind]);
|
|
}
|
|
|
|
return 0;
|
|
}
|