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bluetooth: Abstract microphone gain in transport

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The microphone gain represents the volume of the incoming audio stream
from the headset. This can be nicely abstracted inside the transport
object in bluetooth-util, so the modules don't have to take care about
the D-Bus details.
This commit is contained in:
Mikel Astiz 2012-12-14 15:14:28 +01:00 • committed by Tanu Kaskinen
parent dc19d3eb29
commit ce24ef460a
3 changed files with 61 additions and 1 deletions
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55
src/modules/bluetooth/bluetooth-util.c
View file

@ -528,6 +528,31 @@ static int parse_audio_property(pa_bluetooth_device *d, const char *interface, D
break;
}
case DBUS_TYPE_UINT16: {
uint16_t value;
dbus_message_iter_get_basic(&variant_i, &value);
if (pa_streq(key, "MicrophoneGain")) {
uint16_t gain;
pa_log_debug("dbus: property '%s' changed to value '%u'", key, value);
if (!transport) {
pa_log("Volume change does not have an associated transport");
return -1;
}
if ((gain = PA_MIN(value, HSP_MAX_GAIN)) == transport->microphone_gain)
break;
transport->microphone_gain = gain;
pa_hook_fire(&d->discovery->hooks[PA_BLUETOOTH_HOOK_TRANSPORT_MICROPHONE_GAIN_CHANGED], transport);
}
break;
}
}
return 0;
@ -1086,6 +1111,36 @@ void pa_bluetooth_transport_release(pa_bluetooth_transport *t, const char *acces
pa_log_info("Transport %s released", t->path);
}
static void set_property(pa_bluetooth_discovery *y, const char *bus, const char *path, const char *interface,
const char *prop_name, int prop_type, void *prop_value) {
DBusMessage *m;
DBusMessageIter i;
pa_assert(y);
pa_assert(path);
pa_assert(interface);
pa_assert(prop_name);
pa_assert_se(m = dbus_message_new_method_call(bus, path, interface, "SetProperty"));
dbus_message_iter_init_append(m, &i);
dbus_message_iter_append_basic(&i, DBUS_TYPE_STRING, &prop_name);
pa_dbus_append_basic_variant(&i, prop_type, prop_value);
dbus_message_set_no_reply(m, true);
pa_assert_se(dbus_connection_send(pa_dbus_connection_get(y->connection), m, NULL));
dbus_message_unref(m);
}
void pa_bluetooth_transport_set_microphone_gain(pa_bluetooth_transport *t, uint16_t value) {
dbus_uint16_t gain = PA_MIN(value, HSP_MAX_GAIN);
pa_assert(t);
pa_assert(t->profile == PROFILE_HSP);
set_property(t->device->discovery, "org.bluez", t->device->path, "org.bluez.Headset",
"MicrophoneGain", DBUS_TYPE_UINT16, &gain);
}
static int setup_dbus(pa_bluetooth_discovery *y) {
DBusError err;