From 94df3c65381ae0b8abffd2a789fe6d6f822c40ce Mon Sep 17 00:00:00 2001
From: Claudia Draghicescu <claudia.rosu@nxp.com>
Date: Tue, 22 Aug 2023 17:29:32 +0300
Subject: [PATCH] media: Add broadcast sink media endpoint

This patch adds the possibility to register a broadcast
media endpoint if the controller has support for ISO Sync Receiver.
---
 profiles/audio/media.c | 42 +++++++++++++++++++++++++++++++++++++-----
 profiles/audio/media.h |  3 ++-
 2 files changed, 39 insertions(+), 6 deletions(-)

diff --git a/profiles/audio/media.c b/profiles/audio/media.c
index 1b67f64..3b6bc23 100644
--- a/profiles/audio/media.c
+++ b/profiles/audio/media.c
@@ -1269,17 +1269,21 @@ static struct media_transport *pac_bcast_config(struct bt_bap_stream *stream,
 						struct media_endpoint *endpoint)
 {
 	struct bt_bap *bap = bt_bap_stream_get_session(stream);
-	struct btd_adapter *adapter = bt_bap_get_user_data(bap);
+	struct btd_adapter *adapter = endpoint->adapter->btd_adapter;
+	struct btd_device *device;
 	const char *path;
 
-	if (!adapter) {
-		error("Unable to find adapter");
+	if (!adapter)
 		return NULL;
-	}
+
+	if (!strcmp(endpoint->uuid, BCAA_SERVICE_UUID))
+		device = NULL;
+	else
+		device = btd_service_get_device(bt_bap_get_user_data(bap));
 
 	path = bt_bap_stream_get_user_data(stream);
 
-	return media_transport_create(NULL, path, cfg->iov_base, cfg->iov_len,
+	return media_transport_create(device, path, cfg->iov_base, cfg->iov_len,
 					endpoint, stream);
 }
 
@@ -1449,6 +1453,12 @@ static bool endpoint_init_broadcast_source(struct media_endpoint *endpoint,
 	return endpoint_init_pac(endpoint, BT_BAP_BCAST_SOURCE, err);
 }
 
+static bool endpoint_init_broadcast_sink(struct media_endpoint *endpoint,
+						int *err)
+{
+	return endpoint_init_pac(endpoint, BT_BAP_BCAST_SINK, err);
+}
+
 static bool endpoint_properties_exists(const char *uuid,
 						struct btd_device *dev,
 						void *user_data)
@@ -1562,6 +1572,17 @@ static bool experimental_broadcaster_ep_supported(struct btd_adapter *adapter)
 	return g_dbus_get_flags() & G_DBUS_FLAG_ENABLE_EXPERIMENTAL;
 }
 
+static bool experimental_bcast_sink_ep_supported(struct btd_adapter *adapter)
+{
+	if (!btd_adapter_has_exp_feature(adapter, EXP_FEAT_ISO_SOCKET))
+		return false;
+
+	if (!btd_adapter_has_settings(adapter, MGMT_SETTING_ISO_SYNC_RECEIVER))
+		return false;
+
+	return g_dbus_get_flags() & G_DBUS_FLAG_ENABLE_EXPERIMENTAL;
+}
+
 static struct media_endpoint_init {
 	const char *uuid;
 	bool (*func)(struct media_endpoint *endpoint, int *err);
@@ -1577,6 +1598,8 @@ static struct media_endpoint_init {
 				experimental_endpoint_supported },
 	{ BCAA_SERVICE_UUID, endpoint_init_broadcast_source,
 			experimental_broadcaster_ep_supported },
+	{ BAA_SERVICE_UUID, endpoint_init_broadcast_sink,
+			experimental_bcast_sink_ep_supported },
 };
 
 static struct media_endpoint *
@@ -3667,3 +3690,12 @@ struct btd_adapter *media_endpoint_get_btd_adapter(
 {
 	return endpoint->adapter->btd_adapter;
 }
+
+bool media_endpoint_is_broadcast(struct media_endpoint *endpoint)
+{
+	if (!strcmp(endpoint->uuid, BCAA_SERVICE_UUID)
+		|| !strcmp(endpoint->uuid, BAA_SERVICE_UUID))
+		return true;
+
+	return false;
+}
diff --git a/profiles/audio/media.h b/profiles/audio/media.h
index 1de84a8..0eeb574 100755
--- a/profiles/audio/media.h
+++ b/profiles/audio/media.h
@@ -22,5 +22,6 @@ const char *media_endpoint_get_uuid(struct media_endpoint *endpoint);
 uint8_t media_endpoint_get_codec(struct media_endpoint *endpoint);
 struct btd_adapter *media_endpoint_get_btd_adapter(
 					struct media_endpoint *endpoint);
-
+bool media_endpoint_is_broadcast(
+	struct media_endpoint *endpoint);
 int8_t media_player_get_device_volume(struct btd_device *device);
-- 
2.7.4