SpatialAudio: Export LatencyMode functions to BluetoothAudioSession

BluetoothAudioSession utility supports latency control functions, so
audio_bluetooth_hw can get / set the LatencyMode easily.

Bug: 214615268
Bug: 218708371
Test: build
Tag: #feature
Change-Id: Ia85581c74fc91f406309539755d60d36c173f5e0

1 files changed, 23 insertions, 3 deletions

diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h b/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h
index 451a31fb7e..5b838b0b3f 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h
@@ -98,11 +98,12 @@ class BluetoothAudioSessionControl {
   stop
    * stream, to check position, and to update metadata.
   ***/
-  static bool StartStream(const SessionType& session_type) {
+  static bool StartStream(const SessionType& session_type,
+                          bool low_latency = false) {
     std::shared_ptr<BluetoothAudioSession> session_ptr =
         BluetoothAudioSessionInstance::GetSessionInstance(session_type);
     if (session_ptr != nullptr) {
-      return session_ptr->StartStream();
+      return session_ptr->StartStream(low_latency);
     }
     return false;
   }
@@ -154,6 +155,25 @@ class BluetoothAudioSessionControl {
     }
   }
 
+  static std::vector<LatencyMode> GetSupportedLatencyModes(
+      const SessionType& session_type) {
+    std::shared_ptr<BluetoothAudioSession> session_ptr =
+        BluetoothAudioSessionInstance::GetSessionInstance(session_type);
+    if (session_ptr != nullptr) {
+      return session_ptr->GetSupportedLatencyModes();
+    }
+    return std::vector<LatencyMode>();
+  }
+
+  static void SetLatencyMode(const SessionType& session_type,
+                             const LatencyMode& latency_mode) {
+    std::shared_ptr<BluetoothAudioSession> session_ptr =
+        BluetoothAudioSessionInstance::GetSessionInstance(session_type);
+    if (session_ptr != nullptr) {
+      session_ptr->SetLatencyMode(latency_mode);
+    }
+  }
+
   /***
    * The control API writes stream to FMQ
    ***/
@@ -185,4 +205,4 @@ class BluetoothAudioSessionControl {
 }  // namespace bluetooth
 }  // namespace hardware
 }  // namespace android
-}  // namespace aidl
\ No newline at end of file
+}  // namespace aidl