bluez5: remove per-device codec filtering

This does not work as intended, because we no longer do a codec switch
on device connect.  It should be done in a different way, but since it's
not used for anything right now, can as well remove it.

spa/plugins/bluez5/backend-hsphfpd.c

@@ -1121,7 +1121,6 @@ static DBusHandlerResult hsphfpd_parse_endpoint_properties(struct spa_bt_backend
 	t->n_channels = 1;
 	t->channels[0] = SPA_AUDIO_CHANNEL_MONO;
 
-	t->enabled = true;
 	spa_bt_device_connect_profile(t->device, t->profile);
 
 	spa_log_debug(backend->log, NAME": Transport %s available for hsphfpd", endpoint->path);

spa/plugins/bluez5/backend-native.c

@@ -147,7 +147,6 @@ static struct spa_bt_transport *_transport_create(struct rfcomm *rfcomm)
 	t->backend = backend;
 	t->n_channels = 1;
 	t->channels[0] = SPA_AUDIO_CHANNEL_MONO;
-	t->enabled = true;
 
 	spa_bt_transport_add_listener(t, &rfcomm->transport_listener, &transport_events, rfcomm);
 

spa/plugins/bluez5/backend-ofono.c

@@ -128,7 +128,6 @@ static struct spa_bt_transport *_transport_create(struct spa_bt_backend *backend
 	t->codec = codec;
 	t->n_channels = 1;
 	t->channels[0] = SPA_AUDIO_CHANNEL_MONO;
-	t->enabled = true;
 
 finish:
 	return t;

spa/plugins/bluez5/bluez5-dbus.c

@@ -188,6 +188,10 @@ static const struct a2dp_codec *a2dp_endpoint_to_codec(const char *endpoint)
 
 static bool is_a2dp_codec_enabled(struct spa_bt_monitor *monitor, const struct a2dp_codec *codec)
 {
+	if (!monitor->enable_sbc_xq && codec->feature_flag != NULL &&
+	    strcmp(codec->feature_flag, "sbc-xq") == 0)
+		return false;
+
 	return spa_dict_lookup(&monitor->enabled_codecs, codec->name) != NULL;
 }
 
@@ -783,27 +787,11 @@ static int device_update_props(struct spa_bt_device *device,
 	return 0;
 }
 
-static bool device_can_accept_a2dp_codec(struct spa_bt_device *device, const struct a2dp_codec *codec)
-{
-	struct spa_bt_monitor *monitor = device->monitor;
-
-	/* Device capability checks in addition to A2DP Capabilities. */
-
-	if (!is_a2dp_codec_enabled(device->monitor, codec))
-		return false;
-
-	if (codec->feature_flag != NULL && strcmp(codec->feature_flag, "sbc-xq") == 0)
-		return monitor->enable_sbc_xq;
-
-	/* The rest is determined by A2DP caps */
-	return true;
-}
-
 bool spa_bt_device_supports_a2dp_codec(struct spa_bt_device *device, const struct a2dp_codec *codec)
 {
 	struct spa_bt_remote_endpoint *ep;
 
-	if (!device_can_accept_a2dp_codec(device, codec))
+	if (!is_a2dp_codec_enabled(device->monitor, codec))
 		return false;
 
 	if (!device->adapter->application_registered) {
@@ -1806,7 +1794,7 @@ int spa_bt_device_ensure_a2dp_codec(struct spa_bt_device *device, const struct a
 	 */
 	if (spa_list_is_empty(&device->codec_switch_list) && preferred_codec != NULL) {
 		spa_list_for_each(t, &device->transport_list, device_link) {
-			if (t->a2dp_codec != preferred_codec || !t->enabled)
+			if (t->a2dp_codec != preferred_codec)
 				continue;
 
 			if ((device->connected_profiles & t->profile) != t->profile)
@@ -1841,7 +1829,7 @@ int spa_bt_device_ensure_a2dp_codec(struct spa_bt_device *device, const struct a
 	}
 
 	for (i = 0, j = 0; i < num_codecs; ++i) {
-		if (device_can_accept_a2dp_codec(device, codecs[i])) {
+		if (is_a2dp_codec_enabled(device->monitor, codecs[i])) {
 			sw->codecs[j] = codecs[i];
 			++j;
 		}
@@ -1952,16 +1940,6 @@ static DBusHandlerResult endpoint_set_configuration(DBusConnection *conn,
 	spa_log_info(monitor->log, "%p: %s validate conf channels:%d",
 			monitor, path, transport->n_channels);
 
-	/*
-	 * Per-device determination of which codecs are allowed needs to be done also
-	 * here. The A2DP codec switching process does this filtering, but before that
-	 * BlueZ may autoconnect to any endpoint with compatible caps.  In case it got it
-	 * wrong, mark the transport disabled, and we'll switch to a better one later when
-	 * needed. (We don't want to fail the connection, because we want to keep the
-	 * profile connected.)
-	 */
-	transport->enabled = device_can_accept_a2dp_codec(transport->device, codec);
-
 	spa_bt_device_connect_profile(transport->device, transport->profile);
 
 	if ((r = dbus_message_new_method_return(m)) == NULL)
@@ -3148,8 +3126,6 @@ impl_init(const struct spa_handle_factory *factory,
 	if ((res = parse_codec_array(this, info)) < 0)
 		return res;
 
-	register_media_application(this);
-
 	if (info) {
 		const char *str;
 
@@ -3158,6 +3134,8 @@ impl_init(const struct spa_handle_factory *factory,
 			this->enable_sbc_xq = true;
 	}
 
+	register_media_application(this);
+
 	this->backend_native = backend_native_new(this, this->conn, info, support, n_support);
 	this->backend_ofono = backend_ofono_new(this, this->conn, info, support, n_support);
 	this->backend_hsphfpd = backend_hsphfpd_new(this, this->conn, info, support, n_support);

spa/plugins/bluez5/bluez5-device.c

@@ -181,8 +181,7 @@ static struct spa_bt_transport *find_transport(struct impl *this, int profile, c
 
 	for (i = 0; i < num_codecs; ++i) {
 		spa_list_for_each(t, &device->transport_list, device_link) {
-			if (t->enabled &&
-			    (t->profile & device->connected_profiles) &&
+			if ((t->profile & device->connected_profiles) &&
 			    (t->profile & profile) == t->profile &&
 			    (codecs[i] == NULL || t->a2dp_codec == codecs[i]))
 				return t;

spa/plugins/bluez5/defs.h

@@ -459,8 +459,6 @@ struct spa_bt_transport {
 	void *configuration;
 	int configuration_len;
 
-	unsigned int enabled:1;  /**< Transport ready for use in sink/source */
-
 	uint32_t n_channels;
 	uint32_t channels[64];