debug(1, "Failed to load mixer element");
response = -4;
} else {
- debug(3, "Mixer Control name is \"%s\".", alsa_mix_ctrl);
+ debug(3, "Mixer control is \"%s\",%d.", alsa_mix_ctrl, alsa_mix_index);
alsa_mix_elem = snd_mixer_find_selem(alsa_mix_handle, alsa_mix_sid);
if (!alsa_mix_elem) {
- warn("failed to find mixer control \"%s\".", alsa_mix_ctrl);
+ warn("failed to find mixer control \"%s\",%d.", alsa_mix_ctrl, alsa_mix_index);
response = -5;
} else {
response = 1; // we found a hardware mixer and successfully opened it
alsa_mix_ctrl = (char *)str;
}
+
+ // Get the Mixer Control Index
+ if (config_lookup_int(config.cfg, "alsa.mixer_control_index", &value)) {
+ alsa_mix_index = value;
+ }
+
+
+
+
+
/* Get the disable_synchronization setting. */
if (config_lookup_string(config.cfg, "alsa.disable_synchronization", &str)) {
if (strcasecmp(str, "no") == 0)
alsa =
{
// output_device = "default"; // the name of the alsa output device. Use "shairport-sync -h" to discover the names of ALSA hardware devices. Use "alsamixer" or "aplay" to find out the names of devices, mixers, etc.
-// mixer_control_name = "PCM"; // the name of the mixer to use to adjust output volume. If not specified, volume in adjusted in software.
+// mixer_control_name = "PCM"; // the name of the mixer to use to adjust output volume. No default. If not specified, no mixer is used and volume in adjusted in software.
+// mixer_control_index = 0; // the index of the mixer to use to adjust output volume. Default is 0. The mixer is fully identified by the combination of the mixer_control_name and the mixer_control_index, e.g. "PCM",0 would be such a specification.
// mixer_device = "default"; // the mixer_device default is whatever the output_device is. Normally you wouldn't have to use this.
// output_rate = "auto"; // can be "auto", 44100, 88200, 176400 or 352800, but the device must have the capability.