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bluetooth: Set hfgw profile when HandsfreeGateway is playing

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Allow module-bluetooth-device to listens to HandsfreeGateway state
changes using DBUS signals. When an handsfree connects, module-bluetooth-device
is loaded and goes to playing state. When the handsfree disconnect audio,
the card profile is set to "off". If the headset connects audio again after
that, the card profile should switch to "hfgw" again to match state of audio
connection.
This commit is contained in:
Frédéric Dalleau 2011-10-04 09:37:25 +02:00 • committed by Arun Raghavan
parent 2f24a6e627
commit 79c836ec6a
3 changed files with 56 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

55
src/modules/bluetooth/module-bluetooth-device.c
View file

@ -1834,6 +1834,56 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *us
pa_log_debug("dbus: property 'NREC' changed to value '%s'", t->nrec ? "True" : "False");
pa_proplist_sets(u->source->proplist, "bluetooth.nrec", t->nrec ? "1" : "0");
}
} else if (dbus_message_is_signal(m, "org.bluez.HandsfreeGateway", "PropertyChanged")) {
const char *key;
DBusMessageIter iter;
DBusMessageIter variant;
pa_bt_audio_state_t state = PA_BT_AUDIO_STATE_INVALID;
if (!dbus_message_iter_init(m, &iter)) {
pa_log("Failed to parse PropertyChanged: %s", err.message);
goto fail;
}
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) {
pa_log("Property name not a string.");
goto fail;
}
dbus_message_iter_get_basic(&iter, &key);
if (!dbus_message_iter_next(&iter)) {
pa_log("Property value missing");
goto fail;
}
dbus_message_iter_recurse(&iter, &variant);
if (dbus_message_iter_get_arg_type(&variant) == DBUS_TYPE_STRING) {
const char *value;
dbus_message_iter_get_basic(&variant, &value);
if (pa_streq(key, "State")) {
pa_log_debug("dbus: HSHFAG property 'State' changed to value '%s'", value);
state = pa_bt_audio_state_from_string(value);
}
}
switch(state) {
case PA_BT_AUDIO_STATE_INVALID:
case PA_BT_AUDIO_STATE_DISCONNECTED:
case PA_BT_AUDIO_STATE_CONNECTED:
case PA_BT_AUDIO_STATE_CONNECTING:
goto fail;
case PA_BT_AUDIO_STATE_PLAYING:
if (u->card) {
pa_log_debug("Changing profile to hfgw");
if (pa_card_set_profile(u->card, "hfgw", FALSE) < 0)
pa_log("Failed to change profile to hfgw");
}
break;
}
}
fail:
@ -2935,6 +2985,7 @@ int pa__init(pa_module* m) {
speaker,
mike,
transport,
"type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'",
NULL) < 0) {
pa_xfree(speaker);
@ -3008,7 +3059,9 @@ void pa__done(pa_module *m) {
speaker = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.Headset',member='SpeakerGainChanged',path='%s'", u->path);
mike = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.Headset',member='MicrophoneGainChanged',path='%s'", u->path);
pa_dbus_remove_matches(pa_dbus_connection_get(u->connection), speaker, mike, NULL);
pa_dbus_remove_matches(pa_dbus_connection_get(u->connection), speaker, mike,
"type='signal',sender='org.bluez',interface='org.bluez.HandsfreeGateway',member='PropertyChanged'",
NULL);
pa_xfree(speaker);
pa_xfree(mike);