mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-11-10 00:35:42 +01:00
More mixer (group control) changes...
This commit is contained in:
Jaroslav Kysela
parent
fab3731743
commit
a519f110d2
1 changed files with 214 additions and 15 deletions
229
amixer/amixer.c
229
amixer/amixer.c
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@ -39,6 +39,7 @@ int quiet = 0;
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int debugflag = 0;
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int card;
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int device;
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int group_contents_is_on = 0;
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struct mixer_types {
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int type;
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@ -94,6 +95,7 @@ static void help(void)
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printf(" elements show information about all mixer elements\n");
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printf(" contents show contents of all mixer elements\n");
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printf(" groups show all mixer groups\n");
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printf(" gcontents show contents of all mixer groups\n");
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printf(" eset E P set extended setup for one mixer element\n");
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printf(" eget E P get extended information for one mixer element\n");
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}
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@ -232,6 +234,37 @@ static int get_volume(char **ptr, int min, int max, int min_dB, int max_dB)
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return tmp1;
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}
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static int get_volume_simple(char **ptr, int min, int max)
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{
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int tmp, tmp1, tmp2;
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if (**ptr == ':')
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(*ptr)++;
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if (**ptr == '\0' || (!isdigit(**ptr) && **ptr != '-'))
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return min;
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tmp = atoi(*ptr);
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if (**ptr == '-')
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(*ptr)++;
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while (isdigit(**ptr))
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(*ptr)++;
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tmp1 = tmp;
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tmp2 = 0;
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if (**ptr == '.') {
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(*ptr)++;
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tmp2 = atoi(*ptr);
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while (isdigit(**ptr))
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(*ptr)++;
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}
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if (**ptr == '%') {
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tmp1 = convert_prange(tmp, min, max);
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(*ptr)++;
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}
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tmp1 = check_range(tmp1, min, max);
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if (**ptr == ',')
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(*ptr)++;
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return tmp1;
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}
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int show_element(void *handle, snd_mixer_eid_t *eid, const char *space)
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{
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int err, idx;
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@ -739,8 +772,8 @@ int show_group(void *handle, snd_mixer_gid_t *gid, const char *space)
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error("Mixer %i/%i group error: %s", card, device, snd_strerror(err));
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return -1;
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}
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if (group.channels) {
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printf(" Capabilities:");
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if (group_contents_is_on && group.channels) {
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printf("%sCapabilities:", space);
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if (group.caps & SND_MIXER_GRPCAP_VOLUME)
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printf(" volume");
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if (group.caps & SND_MIXER_GRPCAP_MUTE)
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@ -759,8 +792,8 @@ int show_group(void *handle, snd_mixer_gid_t *gid, const char *space)
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printf("\n");
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if ((group.caps & SND_MIXER_GRPCAP_RECORD) &&
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(group.caps & SND_MIXER_GRPCAP_EXCL_RECORD))
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printf(" Record exclusive group: %i\n", group.record_group);
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printf(" Channels: ");
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printf("%sRecord exclusive group: %i\n", space, group.record_group);
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printf("%sChannels: ", space);
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if (group.channels == SND_MIXER_CHN_MASK_MONO) {
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printf("Mono");
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} else {
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@ -778,24 +811,26 @@ int show_group(void *handle, snd_mixer_gid_t *gid, const char *space)
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printf("Woofer");
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}
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printf("\n");
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printf(" Limits: min = %i, max = %i\n", group.min, group.max);
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printf("%sLimits: min = %i, max = %i\n", space, group.min, group.max);
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if (group.channels == SND_MIXER_CHN_MASK_MONO) {
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printf(" Mono: %i [%s]\n", group.front_left, group.mute & SND_MIXER_CHN_MASK_MONO ? "mute" : "on");
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printf("%sMono: %s [%s]\n", space, get_percent(group.front_left, group.min, group.max), group.mute & SND_MIXER_CHN_MASK_MONO ? "mute" : "on");
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} else {
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if (group.channels & SND_MIXER_CHN_MASK_FRONT_LEFT)
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printf(" Front-Left: %i [%s] [%s]\n", group.front_left, group.mute & SND_MIXER_CHN_MASK_FRONT_LEFT ? "mute" : "on", group.record & SND_MIXER_CHN_MASK_FRONT_LEFT ? "record" : "---");
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printf("%sFront-Left: %s [%s] [%s]\n", space, get_percent(group.front_left, group.min, group.max), group.mute & SND_MIXER_CHN_MASK_FRONT_LEFT ? "mute" : "on", group.record & SND_MIXER_CHN_MASK_FRONT_LEFT ? "record" : "---");
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if (group.channels & SND_MIXER_CHN_MASK_FRONT_RIGHT)
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printf(" Front-Right: %i [%s] [%s]\n", group.front_right, group.mute & SND_MIXER_CHN_MASK_FRONT_RIGHT ? "mute" : "on", group.record & SND_MIXER_CHN_MASK_FRONT_RIGHT ? "record" : "---");
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printf("%sFront-Right: %s [%s] [%s]\n", space, get_percent(group.front_right, group.min, group.max), group.mute & SND_MIXER_CHN_MASK_FRONT_RIGHT ? "mute" : "on", group.record & SND_MIXER_CHN_MASK_FRONT_RIGHT ? "record" : "---");
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if (group.channels & SND_MIXER_CHN_MASK_FRONT_CENTER)
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printf(" Front-Center: %i [%s] [%s]\n", group.front_center, group.mute & SND_MIXER_CHN_MASK_FRONT_CENTER ? "mute" : "on", group.record & SND_MIXER_CHN_MASK_FRONT_CENTER ? "record" : "---");
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printf("%sFront-Center: %s [%s] [%s]\n", space, get_percent(group.front_center, group.min, group.max), group.mute & SND_MIXER_CHN_MASK_FRONT_CENTER ? "mute" : "on", group.record & SND_MIXER_CHN_MASK_FRONT_CENTER ? "record" : "---");
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if (group.channels & SND_MIXER_CHN_MASK_REAR_LEFT)
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printf(" Rear-Left: %i [%s] [%s]\n", group.rear_left, group.mute & SND_MIXER_CHN_MASK_REAR_LEFT ? "mute" : "on", group.record & SND_MIXER_CHN_MASK_REAR_LEFT ? "record" : "---");
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printf("%sRear-Left: %s [%s] [%s]\n", space, get_percent(group.rear_left, group.min, group.max), group.mute & SND_MIXER_CHN_MASK_REAR_LEFT ? "mute" : "on", group.record & SND_MIXER_CHN_MASK_REAR_LEFT ? "record" : "---");
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if (group.channels & SND_MIXER_CHN_MASK_REAR_RIGHT)
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printf(" Rear-Right: %i [%s] [%s]\n", group.rear_right, group.mute & SND_MIXER_CHN_MASK_REAR_RIGHT ? "mute" : "---", group.record & SND_MIXER_CHN_MASK_REAR_RIGHT ? "record" : "---");
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printf("%sRear-Right: %s [%s] [%s]\n", space, get_percent(group.rear_right, group.min, group.max), group.mute & SND_MIXER_CHN_MASK_REAR_RIGHT ? "mute" : "on", group.record & SND_MIXER_CHN_MASK_REAR_RIGHT ? "record" : "---");
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if (group.channels & SND_MIXER_CHN_MASK_WOOFER)
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printf(" Woofer: %i [%s] [%s]\n", group.woofer, group.mute & SND_MIXER_CHN_MASK_WOOFER ? "mute" : "---", group.record & SND_MIXER_CHN_MASK_WOOFER ? "record" : "---");
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printf("%sWoofer: %s [%s] [%s]\n", space, get_percent(group.woofer, group.min, group.max), group.mute & SND_MIXER_CHN_MASK_WOOFER ? "mute" : "on", group.record & SND_MIXER_CHN_MASK_WOOFER ? "record" : "---");
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}
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}
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if (group_contents_is_on)
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return 0;
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group.pelements = (snd_mixer_eid_t *)malloc(group.elements_over * sizeof(snd_mixer_eid_t));
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if (!group.pelements) {
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error("No enough memory...");
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@ -844,7 +879,7 @@ int groups(void)
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}
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for (idx = 0; idx < groups.groups; idx++) {
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group = &groups.pgroups[idx];
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printf("Group '%s', %i\n", group_name(group->name), group->index);
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printf("Group '%s',%i\n", group_name(group->name), group->index);
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show_group(handle, group, " ");
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}
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free(groups.pgroups);
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@ -852,6 +887,16 @@ int groups(void)
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return 0;
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}
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int groups_contents(void)
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{
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int err;
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group_contents_is_on = 1;
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err = groups();
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group_contents_is_on = 0;
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return err;
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}
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static int parse_eid(const char *str, snd_mixer_eid_t *eid)
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{
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int c, size, idx;
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@ -908,6 +953,49 @@ static int parse_eid(const char *str, snd_mixer_eid_t *eid)
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return 1;
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}
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static int parse_gid(const char *str, snd_mixer_gid_t *gid)
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{
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int c, size;
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char *ptr;
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while (*str == ' ' || *str == '\t')
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str++;
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if (!(*str))
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return 1;
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bzero(gid, sizeof(*gid));
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ptr = gid->name;
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size = 0;
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if (*str != '"' && *str != '\'') {
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while (*str && *str != ',') {
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if (size < sizeof(gid->name)) {
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*ptr++ = *str;
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size++;
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}
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str++;
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}
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} else {
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c = *str++;
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while (*str && *str != c) {
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if (size < sizeof(gid->name)) {
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*ptr++ = *str;
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size++;
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}
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str++;
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}
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if (*str == c)
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str++;
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}
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if (*str == '\0')
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return 0;
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if (*str != ',')
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return 1;
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str++;
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if (!isdigit(*str))
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return 1;
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gid->index = atoi(str);
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return 0;
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}
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int eset_switch1(int argc, char *argv[], void *handle, snd_mixer_eid_t *eid)
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{
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int err, tmp, idx = 0;
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@ -1232,6 +1320,112 @@ int eget(int argc, char *argv[])
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return 0;
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}
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int gset(int argc, char *argv[])
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{
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int err, idx;
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snd_mixer_t *handle;
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snd_mixer_gid_t gid;
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snd_mixer_group_t group;
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if (argc < 1) {
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fprintf(stderr, "Specify a group identifier: 'name',index\n");
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return 1;
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}
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if (parse_gid(argv[0], &gid)) {
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fprintf(stderr, "Wrong group identifier: %s\n", argv[0]);
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return 1;
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}
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if (argc < 2) {
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fprintf(stderr, "Specify what you want to set...\n");
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return 1;
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}
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if ((err = snd_mixer_open(&handle, card, device)) < 0) {
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error("Mixer %i/%i open error: %s\n", card, device, snd_strerror(err));
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return -1;
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}
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bzero(&group, sizeof(group));
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group.gid = gid;
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if (snd_mixer_group_read(handle, &group)<0) {
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error("Unable to read group '%s',%i: %s\n", group_name(gid.name), gid.index, snd_strerror(err));
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snd_mixer_close(handle);
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return -1;
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}
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for (idx = 1; idx < argc; idx++) {
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if (!strncmp(argv[idx], "mute", 4) || !strncmp(argv[idx], "off", 3)) {
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group.mute = group.channels;
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} else if (!strncmp(argv[idx], "on", 2)) {
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group.mute = 0;
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} else if (!strncmp(argv[idx], "rec", 3)) {
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group.record = group.channels;
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} else if (!strncmp(argv[idx], "norec", 5)) {
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group.record = 0;
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} else if (isdigit(argv[idx][0])) {
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char *ptr;
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int vol;
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ptr = argv[idx];
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vol = get_volume_simple(&ptr, group.min, group.max);
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if (group.channels & SND_MIXER_CHN_MASK_FRONT_LEFT)
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group.front_left = vol;
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if (group.channels & SND_MIXER_CHN_MASK_FRONT_RIGHT)
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group.front_right = vol;
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if (group.channels & SND_MIXER_CHN_MASK_FRONT_CENTER)
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group.front_center = vol;
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if (group.channels & SND_MIXER_CHN_MASK_REAR_LEFT)
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group.rear_left = vol;
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if (group.channels & SND_MIXER_CHN_MASK_REAR_RIGHT)
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group.rear_right = vol;
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if (group.channels & SND_MIXER_CHN_MASK_WOOFER)
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group.woofer = vol;
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} else {
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error("Unknown setup '%s'..\n", argv[idx]);
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snd_mixer_close(handle);
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return -1;
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}
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}
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if (snd_mixer_group_write(handle, &group)<0) {
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error("Unable to write group '%s',%i: %s\n", group_name(gid.name), gid.index, snd_strerror(err));
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snd_mixer_close(handle);
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return -1;
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}
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if (!quiet) {
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printf("Group '%s',%i\n", group_name(gid.name), gid.index);
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group_contents_is_on = 1;
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show_group(handle, &gid, " ");
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group_contents_is_on = 0;
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}
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snd_mixer_close(handle);
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return 0;
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}
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int gget(int argc, char *argv[])
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{
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int err;
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snd_mixer_t *handle;
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snd_mixer_gid_t gid;
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if (argc < 1) {
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fprintf(stderr, "Specify a group identifier: 'name',index\n");
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return 1;
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}
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if (parse_gid(argv[0], &gid)) {
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fprintf(stderr, "Wrong group identifier: %s\n", argv[0]);
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return 1;
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}
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if ((err = snd_mixer_open(&handle, card, device)) < 0) {
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error("Mixer %i/%i open error: %s\n", card, device, snd_strerror(err));
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return -1;
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}
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if (!quiet) {
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printf("Group '%s',%i\n", group_name(gid.name), gid.index);
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group_contents_is_on = 1;
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show_group(handle, &gid, " ");
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group_contents_is_on = 0;
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}
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snd_mixer_close(handle);
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return 0;
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}
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int main(int argc, char *argv[])
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{
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int morehelp;
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@ -1293,8 +1487,7 @@ int main(int argc, char *argv[])
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return 1;
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}
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if (argc - optind <= 0) {
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fprintf(stderr, "amixer: Specify command...\n");
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return 0;
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return groups_contents() ? 1 : 0;
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}
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if (!strcmp(argv[optind], "info")) {
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return info() ? 1 : 0;
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@ -1304,6 +1497,12 @@ int main(int argc, char *argv[])
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return elements_contents() ? 1 : 0;
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} else if (!strcmp(argv[optind], "groups")) {
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return groups() ? 1 : 0;
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} else if (!strcmp(argv[optind], "gcontents")) {
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return groups_contents() ? 1 : 0;
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} else if (!strcmp(argv[optind], "set")) {
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return gset(argc - optind - 1, argc - optind > 1 ? argv + optind + 1 : NULL) ? 1 : 0;
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} else if (!strcmp(argv[optind], "get")) {
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return gget(argc - optind - 1, argc - optind > 1 ? argv + optind + 1 : NULL) ? 1 : 0;
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} else if (!strcmp(argv[optind], "eset")) {
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return eset(argc - optind - 1, argc - optind > 1 ? argv + optind + 1 : NULL) ? 1 : 0;
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} else if (!strcmp(argv[optind], "eget")) {
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