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author | Jeong-Seok Yang <jseok.yang@samsung.com> | 2010-08-25 18:32:24 -0700 |
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committer | Ed Heyl <edheyl@google.com> | 2010-08-25 18:52:19 -0700 |
commit | ec456383c58adf2d4c4818438a703e5a2ca949b5 (patch) | |
tree | 6d7b1ddc2610c37e911917dad5be7ebdebc6c6ad /alsa-utils/amixer | |
parent | 1206fad9881e5bca592fcd0fbdafc9d7f195d539 (diff) | |
download | device_samsung_crespo-ec456383c58adf2d4c4818438a703e5a2ca949b5.zip device_samsung_crespo-ec456383c58adf2d4c4818438a703e5a2ca949b5.tar.gz device_samsung_crespo-ec456383c58adf2d4c4818438a703e5a2ca949b5.tar.bz2 |
S5PC11X: crespo: add alsa-lib, alsa-utils, libaudio, libcamera
Change-Id: I4a6ee248b407c67682eb8884d1176f4807288c7c
Diffstat (limited to 'alsa-utils/amixer')
-rw-r--r-- | alsa-utils/amixer/Makefile.am | 10 | ||||
-rw-r--r-- | alsa-utils/amixer/Makefile.in | 505 | ||||
-rw-r--r-- | alsa-utils/amixer/amixer.1 | 141 | ||||
-rw-r--r-- | alsa-utils/amixer/amixer.c | 2013 | ||||
-rw-r--r-- | alsa-utils/amixer/amixer.h | 21 |
5 files changed, 2690 insertions, 0 deletions
diff --git a/alsa-utils/amixer/Makefile.am b/alsa-utils/amixer/Makefile.am new file mode 100644 index 0000000..fcd0e81 --- /dev/null +++ b/alsa-utils/amixer/Makefile.am @@ -0,0 +1,10 @@ +INCLUDES = -I$(top_srcdir)/include +LDADD = -lm +# LDFLAGS = -static +# CFLAGS += -g -Wall + +bin_PROGRAMS = amixer +amixer_SOURCES = amixer.c +noinst_HEADERS = amixer.h +man_MANS = amixer.1 +EXTRA_DIST = amixer.1 diff --git a/alsa-utils/amixer/Makefile.in b/alsa-utils/amixer/Makefile.in new file mode 100644 index 0000000..7ed5a12 --- /dev/null +++ b/alsa-utils/amixer/Makefile.in @@ -0,0 +1,505 @@ +# Makefile.in generated by automake 1.9.6 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# 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multiple soundcards. + +\fBamixer\fR with no arguments will display the current mixer settings +for the default soundcard and device. This is a good way to see a list +of the simple mixer controls you can use. + +.SH COMMANDS + +.TP +\fIhelp\fP +Shows syntax. + +.TP +\fIinfo\fP +Shows the information about a mixer device. + +.TP +\fIscontrols\fP +Shows a complete list of simple mixer controls. + +.TP +\fIscontents\fP +Shows a complete list of simple mixer controls with their contents. + +.TP +\fIset\fP or \fIsset\fP <\fISCONTROL\fP> <\fIPARAMETER\fP> ... +Sets the simple mixer control contents. The parameter can be the volume +either as a percentage from 0% to 100% with \fI%\fP suffix, +a dB gain with \fIdB\fP suffix (like -12.5dB), or an exact hardware value. +The dB gain can be used only for the mixer elements with available +dB information. +When plus(+) or minus(\-) letter is appended after +volume value, the volume is incremented or decremented from the current +value, respectively. + +The parameters \fIcap, nocap, mute, unmute, toggle\fP are used to +change capture (recording) and muting for the group specified. + +The optional modifiers can be put as extra parameters to specify +the stream direction or channels to apply. +The modifiers \fIplayback\fP and \fIcapture\fP specify the stream, +and the modifiers \fIfront, rear, center, woofer\fP are used to specify +channels to be changed. + +A simple mixer control must be specified. Only one device can be controlled +at a time. + +.TP +\fIget\fP or \fIsget\fP <\fISCONTROL\fP> +Shows the simple mixer control contents. + +A simple mixer control must be specified. Only one device can be controlled +at a time. + +.TP +\fIcontrols\fP +Shows a complete list of card controls. + +.TP +\fIcontents\fP +Shows a complete list of card controls with their contents. + +.TP +\fIcset\fP <\fICONTROL\fP> <\fIPARAMETER\fP> ... +Sets the card control contents. The identifier has these components: iface, +name, index, device, subdevice, numid. The next argument specifies the value +of control. + +.TP +\fIcget\fP <\fICONTROL\fP> +Shows the card control contents. The identifier has same syntax as for +the \fIcset\fP command. + +.SH OPTIONS + +.TP +\fI\-c\fP card + +Select the card number to control. The device name created from this +parameter has syntax 'hw:N' where N is specified card number. + +.TP +\fI\-D\fP device + +Select the device name to control. The default control name is 'default'. + +.TP +\fI\-s\fP | \fI\-\-stdin\fP + +Read from stdin and execute the command on each line sequentially. +When this option is given, the command in command-line arguments is ignored. + +Only sset and cset are accepted. Other commands are ignored. +The commands to unmatched ids are ignored without errors too. + +.TP +\fI\-h\fP +Help: show syntax. +.TP +\fI\-q\fP +Quiet mode. Do not show results of changes. + +.SH EXAMPLES + +.TP +\fBamixer \-c 1 sset Line,0 80%,40% unmute cap\fR +will set the second soundcard's left line input volume to 80% and +right line input to 40%, unmute it, and select it as a source for +capture (recording).\fR + +.TP +\fBamixer \-c 1 \-\- sset Master playback -20dB\fR +will set the master volume of the second card to -20dB. If the master +has multiple channels, all channels are set to the same value. + +.TP +\fBamixer \-c 1 set PCM 2dB+\fR +will increase the PCM volume of the second card with 2dB. When both +playback and capture volumes exist, this is applied to both volumes. + +.TP +\fBamixer \-c 2 cset iface=MIXER,name='Line Playback Volume",index=1 40%\fR +will set the third soundcard's second line playback volume(s) to 40% + +.TP +\fBamixer \-c 2 cset numid=34 40%\fR +will set the 34th soundcard element to 40% + +.SH BUGS +None known. +.SH AUTHOR +\fBamixer\fP is by Jaroslav Kysela <perex@perex.cz>. +This document is by Paul Winkler <zarmzarm@erols.com> and Jaroslav Kysela <perex@perex.cz>. diff --git a/alsa-utils/amixer/amixer.c b/alsa-utils/amixer/amixer.c new file mode 100644 index 0000000..9620721 --- /dev/null +++ b/alsa-utils/amixer/amixer.c @@ -0,0 +1,2013 @@ +/* + * ALSA command line mixer utility + * Copyright (c) 1999-2000 by Jaroslav Kysela <perex@perex.cz> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <getopt.h> +#include <stdarg.h> +#include <ctype.h> +#include <math.h> +#include <errno.h> +#include <assert.h> +#include <alsa/asoundlib.h> +#include <sys/poll.h> +#include "amixer.h" + +#define LEVEL_BASIC (1<<0) +#define LEVEL_INACTIVE (1<<1) +#define LEVEL_ID (1<<2) + +static int quiet = 0; +static int debugflag = 0; +static int no_check = 0; +static int smixer_level = 0; +static int ignore_error = 0; +static struct snd_mixer_selem_regopt smixer_options; +static char card[64] = "default"; + +static void error(const char *fmt,...) +{ + va_list va; + + va_start(va, fmt); + fprintf(stderr, "amixer: "); + vfprintf(stderr, fmt, va); + fprintf(stderr, "\n"); + va_end(va); +} + +static int help(void) +{ + printf("Usage: amixer <options> [command]\n"); + printf("\nAvailable options:\n"); + printf(" -h,--help this help\n"); + printf(" -c,--card N select the card\n"); + printf(" -D,--device N select the device, default '%s'\n", card); + printf(" -d,--debug debug mode\n"); + printf(" -n,--nocheck do not perform range checking\n"); + printf(" -v,--version print version of this program\n"); + printf(" -q,--quiet be quiet\n"); + printf(" -i,--inactive show also inactive controls\n"); + printf(" -a,--abstract L select abstraction level (none or basic)\n"); + printf(" -s,--stdin Read and execute commands from stdin sequentially\n"); + printf("\nAvailable commands:\n"); + printf(" scontrols show all mixer simple controls\n"); + printf(" scontents show contents of all mixer simple controls (default command)\n"); + printf(" sset sID P set contents for one mixer simple control\n"); + printf(" sget sID get contents for one mixer simple control\n"); + printf(" controls show all controls for given card\n"); + printf(" contents show contents of all controls for given card\n"); + printf(" cset cID P set control contents for one control\n"); + printf(" cget cID get control contents for one control\n"); + return 0; +} + +static int info(void) +{ + int err; + snd_ctl_t *handle; + snd_mixer_t *mhandle; + snd_ctl_card_info_t *info; + snd_ctl_elem_list_t *clist; + snd_ctl_card_info_alloca(&info); + snd_ctl_elem_list_alloca(&clist); + + if ((err = snd_ctl_open(&handle, card, 0)) < 0) { + error("Control device %s open error: %s", card, snd_strerror(err)); + return err; + } + + if ((err = snd_ctl_card_info(handle, info)) < 0) { + error("Control device %s hw info error: %s", card, snd_strerror(err)); + return err; + } + printf("Card %s '%s'/'%s'\n", card, snd_ctl_card_info_get_id(info), + snd_ctl_card_info_get_longname(info)); + printf(" Mixer name : '%s'\n", snd_ctl_card_info_get_mixername(info)); + printf(" Components : '%s'\n", snd_ctl_card_info_get_components(info)); + if ((err = snd_ctl_elem_list(handle, clist)) < 0) { + error("snd_ctl_elem_list failure: %s", snd_strerror(err)); + } else { + printf(" Controls : %i\n", snd_ctl_elem_list_get_count(clist)); + } + snd_ctl_close(handle); + if ((err = snd_mixer_open(&mhandle, 0)) < 0) { + error("Mixer open error: %s", snd_strerror(err)); + return err; + } + if (smixer_level == 0 && (err = snd_mixer_attach(mhandle, card)) < 0) { + error("Mixer attach %s error: %s", card, snd_strerror(err)); + snd_mixer_close(mhandle); + return err; + } + if ((err = snd_mixer_selem_register(mhandle, smixer_level > 0 ? &smixer_options : NULL, NULL)) < 0) { + error("Mixer register error: %s", snd_strerror(err)); + snd_mixer_close(mhandle); + return err; + } + err = snd_mixer_load(mhandle); + if (err < 0) { + error("Mixer load %s error: %s", card, snd_strerror(err)); + snd_mixer_close(mhandle); + return err; + } + printf(" Simple ctrls : %i\n", snd_mixer_get_count(mhandle)); + snd_mixer_close(mhandle); + return 0; +} + +static const char *control_iface(snd_ctl_elem_id_t *id) +{ + return snd_ctl_elem_iface_name(snd_ctl_elem_id_get_interface(id)); +} + +static const char *control_type(snd_ctl_elem_info_t *info) +{ + return snd_ctl_elem_type_name(snd_ctl_elem_info_get_type(info)); +} + +static const char *control_access(snd_ctl_elem_info_t *info) +{ + static char result[10]; + char *res = result; + + *res++ = snd_ctl_elem_info_is_readable(info) ? 'r' : '-'; + *res++ = snd_ctl_elem_info_is_writable(info) ? 'w' : '-'; + *res++ = snd_ctl_elem_info_is_inactive(info) ? 'i' : '-'; + *res++ = snd_ctl_elem_info_is_volatile(info) ? 'v' : '-'; + *res++ = snd_ctl_elem_info_is_locked(info) ? 'l' : '-'; + *res++ = snd_ctl_elem_info_is_tlv_readable(info) ? 'R' : '-'; + *res++ = snd_ctl_elem_info_is_tlv_writable(info) ? 'W' : '-'; + *res++ = snd_ctl_elem_info_is_tlv_commandable(info) ? 'C' : '-'; + *res++ = '\0'; + return result; +} + +#define check_range(val, min, max) \ + (no_check ? (val) : ((val < min) ? (min) : (val > max) ? (max) : (val))) +#if 0 +static int convert_range(int val, int omin, int omax, int nmin, int nmax) +{ + int orange = omax - omin, nrange = nmax - nmin; + + if (orange == 0) + return 0; + return rint((((double)nrange * ((double)val - (double)omin)) + ((double)orange / 2.0)) / ((double)orange + (double)nmin)); +} +#endif + +#if 0 +static int convert_db_range(int val, int omin, int omax, int nmin, int nmax) +{ + int orange = omax - omin, nrange = nmax - nmin; + + if (orange == 0) + return 0; + return rint((((double)nrange * ((double)val - (double)omin)) + ((double)orange / 2.0)) / (double)orange + (double)nmin); +} +#endif + +/* Fuction to convert from volume to percentage. val = volume */ + +static int convert_prange(int val, int min, int max) +{ + int range = max - min; + int tmp; + + if (range == 0) + return 0; + val -= min; + tmp = rint((double)val/(double)range * 100); + return tmp; +} + +/* Function to convert from percentage to volume. val = percentage */ + +#define convert_prange1(val, min, max) \ + ceil((val) * ((max) - (min)) * 0.01 + (min)) + +static const char *get_percent(int val, int min, int max) +{ + static char str[32]; + int p; + + p = convert_prange(val, min, max); + sprintf(str, "%i [%i%%]", val, p); + return str; +} + +#if 0 +static const char *get_percent1(int val, int min, int max, int min_dB, int max_dB) +{ + static char str[32]; + int p, db; + + p = convert_prange(val, min, max); + db = convert_db_range(val, min, max, min_dB, max_dB); + sprintf(str, "%i [%i%%] [%i.%02idB]", val, p, db / 100, abs(db % 100)); + return str; +} +#endif + +static long get_integer(char **ptr, long min, long max) +{ + long val = min; + char *p = *ptr, *s; + + if (*p == ':') + p++; + if (*p == '\0' || (!isdigit(*p) && *p != '-')) + goto out; + + s = p; + val = strtol(s, &p, 10); + if (*p == '.') { + p++; + strtol(p, &p, 10); + } + if (*p == '%') { + val = (long)convert_prange1(strtod(s, NULL), min, max); + p++; + } + val = check_range(val, min, max); + if (*p == ',') + p++; + out: + *ptr = p; + return val; +} + +static long get_integer64(char **ptr, long long min, long long max) +{ + long long val = min; + char *p = *ptr, *s; + + if (*p == ':') + p++; + if (*p == '\0' || (!isdigit(*p) && *p != '-')) + goto out; + + s = p; + val = strtol(s, &p, 10); + if (*p == '.') { + p++; + strtol(p, &p, 10); + } + if (*p == '%') { + val = (long long)convert_prange1(strtod(s, NULL), min, max); + p++; + } + val = check_range(val, min, max); + if (*p == ',') + p++; + out: + *ptr = p; + return val; +} + +struct volume_ops { + int (*get_range)(snd_mixer_elem_t *elem, long *min, long *max); + int (*get)(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t c, + long *value); + int (*set)(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t c, + long value); +}; + +enum { VOL_RAW, VOL_DB }; + +struct volume_ops_set { + int (*has_volume)(snd_mixer_elem_t *elem); + struct volume_ops v[2]; +}; + +static int set_playback_dB(snd_mixer_elem_t *elem, + snd_mixer_selem_channel_id_t c, long value) +{ + return snd_mixer_selem_set_playback_dB(elem, c, value, 0); +} + +static int set_capture_dB(snd_mixer_elem_t *elem, + snd_mixer_selem_channel_id_t c, long value) +{ + return snd_mixer_selem_set_capture_dB(elem, c, value, 0); +} + +static const struct volume_ops_set vol_ops[2] = { + { + .has_volume = snd_mixer_selem_has_playback_volume, + .v = {{ snd_mixer_selem_get_playback_volume_range, + snd_mixer_selem_get_playback_volume, + snd_mixer_selem_set_playback_volume }, + { snd_mixer_selem_get_playback_dB_range, + snd_mixer_selem_get_playback_dB, + set_playback_dB }}, + }, + { + .has_volume = snd_mixer_selem_has_capture_volume, + .v = {{ snd_mixer_selem_get_capture_volume_range, + snd_mixer_selem_get_capture_volume, + snd_mixer_selem_set_capture_volume }, + { snd_mixer_selem_get_capture_dB_range, + snd_mixer_selem_get_capture_dB, + set_capture_dB }}, + }, +}; + +static int set_volume_simple(snd_mixer_elem_t *elem, + snd_mixer_selem_channel_id_t chn, + char **ptr, int dir) +{ + long val, orig, pmin, pmax; + char *p = *ptr, *s; + int invalid = 0, err = 0, vol_type = VOL_RAW; + + if (! vol_ops[dir].has_volume(elem)) + invalid = 1; + + if (*p == ':') + p++; + if (*p == '\0' || (!isdigit(*p) && *p != '-')) + goto skip; + + if (! invalid && + vol_ops[dir].v[VOL_RAW].get_range(elem, &pmin, &pmax) < 0) + invalid = 1; + + s = p; + val = strtol(s, &p, 10); + if (*p == '.') { + p++; + strtol(p, &p, 10); + } + if (*p == '%') { + if (! invalid) + val = (long)convert_prange1(strtod(s, NULL), pmin, pmax); + p++; + } else if (p[0] == 'd' && p[1] == 'B') { + if (! invalid) { + val = (long)(strtod(s, NULL) * 100.0); + vol_type = VOL_DB; + if (vol_ops[dir].v[vol_type].get_range(elem, &pmin, &pmax) < 0) + invalid = 1; + } + p += 2; + } + if (*p == '+' || *p == '-') { + if (! invalid) { + if (vol_ops[dir].v[vol_type].get(elem, chn, &orig) < 0) + invalid = 1; + if (*p == '+') + val = orig + val; + else + val = orig - val; + } + p++; + } + if (! invalid) { + val = check_range(val, pmin, pmax); + err = vol_ops[dir].v[vol_type].set(elem, chn, val); + } + skip: + if (*p == ',') + p++; + *ptr = p; + return err ? err : (invalid ? -ENOENT : 0); +} + +static int get_bool_simple(char **ptr, char *str, int invert, int orig) +{ + if (**ptr == ':') + (*ptr)++; + if (!strncasecmp(*ptr, str, strlen(str))) { + orig = 1 ^ (invert ? 1 : 0); + while (**ptr != '\0' && **ptr != ',' && **ptr != ':') + (*ptr)++; + } + if (**ptr == ',' || **ptr == ':') + (*ptr)++; + return orig; +} + +static int simple_skip_word(char **ptr, char *str) +{ + char *xptr = *ptr; + if (*xptr == ':') + xptr++; + if (!strncasecmp(xptr, str, strlen(str))) { + while (*xptr != '\0' && *xptr != ',' && *xptr != ':') + xptr++; + if (*xptr == ',' || *xptr == ':') + xptr++; + *ptr = xptr; + return 1; + } + return 0; +} + +static void show_control_id(snd_ctl_elem_id_t *id) +{ + unsigned int index, device, subdevice; + printf("numid=%u,iface=%s,name='%s'", + snd_ctl_elem_id_get_numid(id), + control_iface(id), + snd_ctl_elem_id_get_name(id)); + index = snd_ctl_elem_id_get_index(id); + device = snd_ctl_elem_id_get_device(id); + subdevice = snd_ctl_elem_id_get_subdevice(id); + if (index) + printf(",index=%i", index); + if (device) + printf(",device=%i", device); + if (subdevice) + printf(",subdevice=%i", subdevice); +} + +static void print_spaces(unsigned int spaces) +{ + while (spaces-- > 0) + putc(' ', stdout); +} + +static void print_dB(long dB) +{ + printf("%li.%02lidB", dB / 100, (dB < 0 ? -dB : dB) % 100); +} + +static void decode_tlv(unsigned int spaces, unsigned int *tlv, unsigned int tlv_size) +{ + unsigned int type = tlv[0]; + unsigned int size; + unsigned int idx = 0; + + if (tlv_size < 2 * sizeof(unsigned int)) { + printf("TLV size error!\n"); + return; + } + print_spaces(spaces); + printf("| "); + type = tlv[idx++]; + size = tlv[idx++]; + tlv_size -= 2 * sizeof(unsigned int); + if (size > tlv_size) { + printf("TLV size error (%i, %i, %i)!\n", type, size, tlv_size); + return; + } + switch (type) { + case SND_CTL_TLVT_CONTAINER: + size += sizeof(unsigned int) -1; + size /= sizeof(unsigned int); + while (idx < size) { + if (tlv[idx+1] > (size - idx) * sizeof(unsigned int)) { + printf("TLV size error in compound!\n"); + return; + } + decode_tlv(spaces + 2, tlv + idx, tlv[idx+1]); + idx += 2 + (tlv[1] + sizeof(unsigned int) - 1) / sizeof(unsigned int); + } + break; + case SND_CTL_TLVT_DB_SCALE: + printf("dBscale-"); + if (size != 2 * sizeof(unsigned int)) { + while (size > 0) { + printf("0x%08x,", tlv[idx++]); + size -= sizeof(unsigned int); + } + } else { + printf("min="); + print_dB((int)tlv[2]); + printf(",step="); + print_dB(tlv[3] & 0xffff); + printf(",mute=%i", (tlv[3] >> 16) & 1); + } + break; +#ifdef SND_CTL_TLVT_DB_LINEAR + case SND_CTL_TLVT_DB_LINEAR: + printf("dBlinear-"); + if (size != 2 * sizeof(unsigned int)) { + while (size > 0) { + printf("0x%08x,", tlv[idx++]); + size -= sizeof(unsigned int); + } + } else { + printf("min="); + print_dB(tlv[2]); + printf(",max="); + print_dB(tlv[3]); + } + break; +#endif +#ifdef SND_CTL_TLVT_DB_RANGE + case SND_CTL_TLVT_DB_RANGE: + printf("dBrange-\n"); + if ((size / (6 * sizeof(unsigned int))) != 0) { + while (size > 0) { + printf("0x%08x,", tlv[idx++]); + size -= sizeof(unsigned int); + } + break; + } + idx = 0; + while (idx < size) { + print_spaces(spaces + 2); + printf("rangemin=%i,", tlv[0]); + printf(",rangemax=%i\n", tlv[1]); + decode_tlv(spaces + 4, tlv + 2, 6 * sizeof(unsigned int)); + idx += 6 * sizeof(unsigned int); + } + break; +#endif + default: + printf("unk-%i-", type); + while (size > 0) { + printf("0x%08x,", 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_aes_iec958_t iec958; + 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; + case SND_CTL_ELEM_TYPE_IEC958: + snd_ctl_elem_value_get_iec958(control, &iec958); + printf("[AES0=0x%02x AES1=0x%02x AES2=0x%02x AES3=0x%02x]", + iec958.status[0], iec958.status[1], + iec958.status[2], iec958.status[3]); + 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_enum_playback(elem)) { + printf(" penum"); + } else if (snd_mixer_selem_is_enum_capture(elem)) { + printf(" cenum"); + } else 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 get_ctl_enum_item_index(snd_ctl_t *handle, snd_ctl_elem_info_t *info, + char **ptrp) +{ + char *ptr = *ptrp; + int items, i, len; + const char *name; + + items = snd_ctl_elem_info_get_items(info); + if (items <= 0) + return -1; + + for (i = 0; i < items; i++) { + snd_ctl_elem_info_set_item(info, i); + if (snd_ctl_elem_info(handle, info) < 0) + return -1; + name = snd_ctl_elem_info_get_item_name(info); + 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 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); + if (! keep_handle) { + snd_ctl_close(handle); + handle = NULL; + } + 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_ctl_enum_item_index(handle, info, &ptr); + if (tmp < 0) + 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) + error("Control %s element write error: %s\n", card, snd_strerror(err)); + if (!keep_handle) { + snd_ctl_close(handle); + handle = NULL; + } + return ignore_error ? 0 : 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 const 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) +{ + const 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_enum(snd_mixer_elem_t *elem, unsigned int argc, char **argv) +{ + unsigned int idx, chn = 0; + int check_flag = ignore_error ? 0 : -1; + + for (idx = 1; idx < argc; idx++) { + char *ptr = argv[idx]; + while (*ptr) { + int ival = get_enum_item_index(elem, &ptr); + if (ival < 0) + return check_flag; + if (snd_mixer_selem_set_enum_item(elem, chn, ival) >= 0) + check_flag = 1; + /* skip separators */ + while (*ptr == ',' || isspace(*ptr)) + ptr++; + } + } + return check_flag; +} + +static int sset_channels(snd_mixer_elem_t *elem, unsigned int argc, char **argv) +{ + unsigned int channels = ~0U; + unsigned int dir = 3, okflag = 3; + unsigned int idx; + snd_mixer_selem_channel_id_t chn; + int check_flag = ignore_error ? 0 : -1; + + 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; + + 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); + if (snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "mute", 1, ival)) >= 0) + check_flag = 1; + } else if (!strncmp(ptr, "off", 3) && snd_mixer_selem_has_playback_switch(elem)) { + snd_mixer_selem_get_playback_switch(elem, chn, &ival); + if (snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "off", 1, ival)) >= 0) + check_flag = 1; + } else if (!strncmp(ptr, "unmute", 6) && snd_mixer_selem_has_playback_switch(elem)) { + snd_mixer_selem_get_playback_switch(elem, chn, &ival); + if (snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "unmute", 0, ival)) >= 0) + check_flag = 1; + } else if (!strncmp(ptr, "on", 2) && snd_mixer_selem_has_playback_switch(elem)) { + snd_mixer_selem_get_playback_switch(elem, chn, &ival); + if (snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "on", 0, ival)) >= 0) + check_flag = 1; + } 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); + if (snd_mixer_selem_set_playback_switch(elem, chn, (ival ? 1 : 0) ^ 1) >= 0) + check_flag = 1; + } + simple_skip_word(&ptr, "toggle"); + } else if (isdigit(*ptr) || *ptr == '-' || *ptr == '+') { + if (set_volume_simple(elem, chn, &ptr, 0) >= 0) + check_flag = 1; + } 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); + if (snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "cap", 0, ival)) >= 0) + check_flag = 1; + } else if (!strncmp(ptr, "rec", 3) && snd_mixer_selem_has_capture_switch(elem)) { + snd_mixer_selem_get_capture_switch(elem, chn, &ival); + if (snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "rec", 0, ival)) >= 0) + check_flag = 1; + } else if (!strncmp(ptr, "nocap", 5) && snd_mixer_selem_has_capture_switch(elem)) { + snd_mixer_selem_get_capture_switch(elem, chn, &ival); + if (snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "nocap", 1, ival)) >= 0) + check_flag = 1; + } else if (!strncmp(ptr, "norec", 5) && snd_mixer_selem_has_capture_switch(elem)) { + snd_mixer_selem_get_capture_switch(elem, chn, &ival); + if (snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "norec", 1, ival)) >= 0) + check_flag = 1; + } 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); + if (snd_mixer_selem_set_capture_switch(elem, chn, (ival ? 1 : 0) ^ 1) >= 0) + check_flag = 1; + } + simple_skip_word(&ptr, "toggle"); + } else if (isdigit(*ptr) || *ptr == '-' || *ptr == '+') { + if (set_volume_simple(elem, chn, &ptr, 1) >= 0) + check_flag = 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'..", ptr); + if (dir & 2) + error("Unknown capture setup '%s'..", ptr); + } + return 0; /* just skip it */ + } + if (!multi) + ptr = optr; + firstchn = 0; + } + } + return check_flag; +} + +static int sset(unsigned int argc, char *argv[], int roflag, int keep_handle) +{ + int err = 0; + 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) { + /* enum control */ + if (snd_mixer_selem_is_enumerated(elem)) + err = sset_enum(elem, argc, argv); + else + err = sset_channels(elem, argc, argv); + + if (!err) + goto done; + if (err < 0) { + error("Invalid command!"); + goto done; + } + } + 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); + } + done: + if (! keep_handle) { + snd_mixer_close(handle); + handle = NULL; + } + return err < 0 ? 1 : 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"); +} + +static 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); +} + +static 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)); +} + +static 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); +} + +static 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 const 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, "Invalid 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, "Invalid 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; +} diff --git a/alsa-utils/amixer/amixer.h b/alsa-utils/amixer/amixer.h new file mode 100644 index 0000000..3588f04 --- /dev/null +++ b/alsa-utils/amixer/amixer.h @@ -0,0 +1,21 @@ +/* + * ALSA command line mixer utility + * Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include "../include/version.h" |