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bluetooth: Use transport state to update port availability

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Use transport state to calculate the corresponding port availability,
and while doing so use bluetooth-util to receive profile state updates
instead of directly parsing D-Bus PropertyChanged signals.
This commit is contained in:
Mikel Astiz 2012-12-14 15:14:33 +01:00 • committed by Tanu Kaskinen
parent 8ae8b51937
commit 0c126bdf5b
2 changed files with 53 additions and 94 deletions
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141
src/modules/bluetooth/module-bluetooth-device.c
View file

@ -1216,77 +1216,37 @@ finish:
pa_log_debug("IO thread shutting down");
}
static pa_bt_audio_state_t parse_state_property_change(DBusMessage *m) {
DBusMessageIter iter;
DBusMessageIter variant;
const char *key;
const char *value;
pa_bt_audio_state_t state;
if (!dbus_message_iter_init(m, &iter)) {
pa_log("Failed to parse PropertyChanged");
return PA_BT_AUDIO_STATE_INVALID;
}
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) {
pa_log("Property name not a string");
return PA_BT_AUDIO_STATE_INVALID;
}
dbus_message_iter_get_basic(&iter, &key);
if (!pa_streq(key, "State"))
return PA_BT_AUDIO_STATE_INVALID;
if (!dbus_message_iter_next(&iter)) {
pa_log("Property value missing");
return PA_BT_AUDIO_STATE_INVALID;
}
dbus_message_iter_recurse(&iter, &variant);
if (dbus_message_iter_get_arg_type(&variant) != DBUS_TYPE_STRING) {
pa_log("Property value not a string");
return PA_BT_AUDIO_STATE_INVALID;
}
dbus_message_iter_get_basic(&variant, &value);
pa_log_debug("dbus: %s property 'State' changed to value '%s'", dbus_message_get_interface(m), value);
state = pa_bt_audio_state_from_string(value);
if (state == PA_BT_AUDIO_STATE_INVALID)
pa_log("Unexpected value for property 'State': '%s'", value);
return state;
}
static pa_port_available_t audio_state_to_availability(pa_bt_audio_state_t state) {
if (state < PA_BT_AUDIO_STATE_CONNECTED)
static pa_port_available_t transport_state_to_availability(pa_bluetooth_transport_state_t state) {
if (state == PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED)
return PA_PORT_AVAILABLE_NO;
else if (state >= PA_BT_AUDIO_STATE_PLAYING)
else if (state >= PA_BLUETOOTH_TRANSPORT_STATE_PLAYING)
return PA_PORT_AVAILABLE_YES;
else
return PA_PORT_AVAILABLE_UNKNOWN;
}
static pa_port_available_t audio_state_to_availability_merged(pa_bt_audio_state_t state1, pa_bt_audio_state_t state2) {
if (state1 < PA_BT_AUDIO_STATE_CONNECTED && state2 < PA_BT_AUDIO_STATE_CONNECTED)
static pa_port_available_t transport_state_to_availability_merged(pa_bluetooth_transport_state_t state1,
pa_bluetooth_transport_state_t state2) {
if (state1 == PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED && state2 == PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED)
return PA_PORT_AVAILABLE_NO;
else if (state1 >= PA_BT_AUDIO_STATE_PLAYING || state2 >= PA_BT_AUDIO_STATE_PLAYING)
else if (state1 >= PA_BLUETOOTH_TRANSPORT_STATE_PLAYING || state2 >= PA_BLUETOOTH_TRANSPORT_STATE_PLAYING)
return PA_PORT_AVAILABLE_YES;
else
return PA_PORT_AVAILABLE_UNKNOWN;
}
/* Run from main thread */
static void handle_profile_state_change(struct userdata *u, enum profile profile, pa_bt_audio_state_t state) {
static void handle_transport_state_change(struct userdata *u, struct pa_bluetooth_transport *transport) {
bool acquire = FALSE;
bool release = FALSE;
enum profile profile;
pa_bluetooth_transport_state_t state;
pa_assert(u);
pa_assert(state != PA_BT_AUDIO_STATE_INVALID);
pa_assert(transport);
profile = transport->profile;
state = transport->state;
if (!pa_hashmap_get(u->card->profiles, pa_bt_profile_to_string(profile)))
return;
@ -1294,7 +1254,7 @@ static void handle_profile_state_change(struct userdata *u, enum profile profile
switch (profile) {
case PROFILE_HFGW: {
pa_device_port *port;
pa_port_available_t available = audio_state_to_availability(state);
pa_port_available_t available = transport_state_to_availability(state);
pa_assert_se(port = pa_hashmap_get(u->card->ports, "hfgw-output"));
pa_device_port_set_available(port, available);
@ -1311,11 +1271,12 @@ static void handle_profile_state_change(struct userdata *u, enum profile profile
case PROFILE_HSP: {
pa_device_port *port;
pa_port_available_t available;
pa_bluetooth_transport *other = u->device->transports[PROFILE_A2DP];
if (pa_hashmap_get(u->card->profiles, "a2dp") == NULL)
available = audio_state_to_availability(state);
if (!other)
available = transport_state_to_availability(state);
else
available = audio_state_to_availability_merged(state, u->device->profile_state[PROFILE_A2DP]);
available = transport_state_to_availability_merged(state, other->state);
pa_assert_se(port = pa_hashmap_get(u->card->ports, "bluetooth-output"));
pa_device_port_set_available(port, available);
@ -1331,7 +1292,7 @@ static void handle_profile_state_change(struct userdata *u, enum profile profile
case PROFILE_A2DP_SOURCE: {
pa_device_port *port;
pa_port_available_t available = audio_state_to_availability(state);
pa_port_available_t available = transport_state_to_availability(state);
pa_assert_se(port = pa_hashmap_get(u->card->ports, "a2dp-input"));
pa_device_port_set_available(port, available);
@ -1345,11 +1306,12 @@ static void handle_profile_state_change(struct userdata *u, enum profile profile
case PROFILE_A2DP: {
pa_device_port *port;
pa_port_available_t available;
pa_bluetooth_transport *other = u->device->transports[PROFILE_HSP];
if (pa_hashmap_get(u->card->profiles, "hsp") == NULL)
available = audio_state_to_availability(state);
if (!other)
available = transport_state_to_availability(state);
else
available = audio_state_to_availability_merged(state, u->device->profile_state[PROFILE_HSP]);
available = transport_state_to_availability_merged(state, other->state);
pa_assert_se(port = pa_hashmap_get(u->card->ports, "bluetooth-output"));
pa_device_port_set_available(port, available);
@ -1399,8 +1361,6 @@ static void handle_profile_state_change(struct userdata *u, enum profile profile
/* Run from main thread */
static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *userdata) {
struct userdata *u;
enum profile profile;
pa_bt_audio_state_t state;
pa_assert(bus);
pa_assert(m);
@ -1411,25 +1371,6 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *us
dbus_message_get_path(m),
dbus_message_get_member(m));
if (!dbus_message_has_path(m, u->path) && (!u->transport || !dbus_message_has_path(m, u->transport->path)))
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
if (dbus_message_is_signal(m, "org.bluez.HandsfreeGateway", "PropertyChanged"))
profile = PROFILE_HFGW;
else if (dbus_message_is_signal(m, "org.bluez.Headset", "PropertyChanged"))
profile = PROFILE_HSP;
else if (dbus_message_is_signal(m, "org.bluez.AudioSource", "PropertyChanged"))
profile = PROFILE_A2DP_SOURCE;
else if (dbus_message_is_signal(m, "org.bluez.AudioSink", "PropertyChanged"))
profile = PROFILE_A2DP;
else
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
if ((state = parse_state_property_change(m)) == PA_BT_AUDIO_STATE_INVALID)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
handle_profile_state_change(u, profile, state);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
@ -1967,6 +1908,9 @@ static pa_hook_result_t transport_state_changed_cb(pa_bluetooth_discovery *y, pa
if (t == u->transport && t->state == PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED)
pa_assert_se(pa_card_set_profile(u->card, "off", false) >= 0);
if (t->device == u->device)
handle_transport_state_change(u, t);
return PA_HOOK_OK;
}
@ -2216,15 +2160,24 @@ static void create_ports_for_profile(struct userdata *u, pa_hashmap *ports, pa_c
pa_bluetooth_device *device = u->device;
pa_device_port *port;
enum profile *d;
pa_bluetooth_transport *transport;
pa_bluetooth_transport_state_t transport_state;
d = PA_CARD_PROFILE_DATA(profile);
pa_assert(*d != PROFILE_OFF);
transport = device->transports[*d];
transport_state = transport ? transport->state : PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED;
switch (*d) {
case PROFILE_A2DP:
if ((port = pa_hashmap_get(ports, "bluetooth-output")) != NULL) {
pa_bluetooth_transport *other = device->transports[PROFILE_HSP];
pa_bluetooth_transport_state_t other_state = other ? other->state : PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED;
port->priority = PA_MAX(port->priority, profile->priority * 100);
port->available = audio_state_to_availability_merged(device->profile_state[PROFILE_HSP],
device->profile_state[PROFILE_A2DP]);
port->available = transport_state_to_availability_merged(transport_state, other_state);
pa_hashmap_put(port->profiles, profile->name, profile);
} else {
pa_assert_se(port = pa_device_port_new(u->core, "bluetooth-output", _("Bluetooth Output"), 0));
@ -2232,7 +2185,7 @@ static void create_ports_for_profile(struct userdata *u, pa_hashmap *ports, pa_c
port->is_output = 1;
port->is_input = 0;
port->priority = profile->priority * 100;
port->available = audio_state_to_availability(device->profile_state[*d]);
port->available = transport_state_to_availability(transport_state);
pa_hashmap_put(port->profiles, profile->name, profile);
}
@ -2244,15 +2197,17 @@ static void create_ports_for_profile(struct userdata *u, pa_hashmap *ports, pa_c
port->is_output = 0;
port->is_input = 1;
port->priority = profile->priority * 100;
port->available = audio_state_to_availability(device->profile_state[*d]);
port->available = transport_state_to_availability(transport_state);
pa_hashmap_put(port->profiles, profile->name, profile);
break;
case PROFILE_HSP:
if ((port = pa_hashmap_get(ports, "bluetooth-output")) != NULL) {
pa_bluetooth_transport *other = device->transports[PROFILE_A2DP];
pa_bluetooth_transport_state_t other_state = other ? other->state : PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED;
port->priority = PA_MAX(port->priority, profile->priority * 100);
port->available = audio_state_to_availability_merged(device->profile_state[PROFILE_HSP],
device->profile_state[PROFILE_A2DP]);
port->available = transport_state_to_availability_merged(transport_state, other_state);
pa_hashmap_put(port->profiles, profile->name, profile);
} else {
pa_assert_se(port = pa_device_port_new(u->core, "bluetooth-output", _("Bluetooth Output"), 0));
@ -2260,7 +2215,7 @@ static void create_ports_for_profile(struct userdata *u, pa_hashmap *ports, pa_c
port->is_output = 1;
port->is_input = 0;
port->priority = profile->priority * 100;
port->available = audio_state_to_availability(device->profile_state[*d]);
port->available = transport_state_to_availability(transport_state);
pa_hashmap_put(port->profiles, profile->name, profile);
}
@ -2269,7 +2224,7 @@ static void create_ports_for_profile(struct userdata *u, pa_hashmap *ports, pa_c
port->is_output = 0;
port->is_input = 1;
port->priority = profile->priority * 100;
port->available = audio_state_to_availability(device->profile_state[*d]);
port->available = transport_state_to_availability(transport_state);
pa_hashmap_put(port->profiles, profile->name, profile);
break;
@ -2279,7 +2234,7 @@ static void create_ports_for_profile(struct userdata *u, pa_hashmap *ports, pa_c
port->is_output = 1;
port->is_input = 0;
port->priority = profile->priority * 100;
port->available = audio_state_to_availability(device->profile_state[*d]);
port->available = transport_state_to_availability(transport_state);
pa_hashmap_put(port->profiles, profile->name, profile);
pa_assert_se(port = pa_device_port_new(u->core, "hfgw-input", _("Bluetooth Handsfree Gateway"), 0));
@ -2287,7 +2242,7 @@ static void create_ports_for_profile(struct userdata *u, pa_hashmap *ports, pa_c
port->is_output = 0;
port->is_input = 1;
port->priority = profile->priority * 100;
port->available = audio_state_to_availability(device->profile_state[*d]);
port->available = transport_state_to_availability(transport_state);
pa_hashmap_put(port->profiles, profile->name, profile);
break;