diff options
Diffstat (limited to 'alsa-utils/amixer/amixer.c')
| -rw-r--r-- | alsa-utils/amixer/amixer.c | 2013 |
1 files changed, 0 insertions, 2013 deletions
diff --git a/alsa-utils/amixer/amixer.c b/alsa-utils/amixer/amixer.c deleted file mode 100644 index 9620721..0000000 --- a/alsa-utils/amixer/amixer.c +++ /dev/null @@ -1,2013 +0,0 @@ -/* - * 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; -} |