1 files changed, 90 insertions, 0 deletions
diff --git a/bluetooth/audio/aidl/default/LeAudioOffloadAudioProvider.cpp b/bluetooth/audio/aidl/default/LeAudioOffloadAudioProvider.cpp
new file mode 100644
index 0000000000..0e22e44490
--- /dev/null
+++ b/bluetooth/audio/aidl/default/LeAudioOffloadAudioProvider.cpp
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "BTAudioProviderLeAudioHW"
+
+#include "LeAudioOffloadAudioProvider.h"
+
+#include <BluetoothAudioCodecs.h>
+#include <BluetoothAudioSessionReport.h>
+#include <android-base/logging.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace bluetooth {
+namespace audio {
+
+LeAudioOffloadOutputAudioProvider::LeAudioOffloadOutputAudioProvider()
+    : LeAudioOffloadAudioProvider() {
+  session_type_ = SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH;
+}
+
+LeAudioOffloadInputAudioProvider::LeAudioOffloadInputAudioProvider()
+    : LeAudioOffloadAudioProvider() {
+  session_type_ = SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH;
+}
+
+LeAudioOffloadBroadcastAudioProvider::LeAudioOffloadBroadcastAudioProvider()
+    : LeAudioOffloadAudioProvider() {
+  session_type_ =
+      SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH;
+}
+
+LeAudioOffloadAudioProvider::LeAudioOffloadAudioProvider()
+    : BluetoothAudioProvider() {}
+
+bool LeAudioOffloadAudioProvider::isValid(const SessionType& sessionType) {
+  return (sessionType == session_type_);
+}
+
+ndk::ScopedAStatus LeAudioOffloadAudioProvider::startSession(
+    const std::shared_ptr<IBluetoothAudioPort>& host_if,
+    const AudioConfiguration& audio_config,
+    const std::vector<LatencyMode>& latency_modes, DataMQDesc* _aidl_return) {
+  if (audio_config.getTag() != AudioConfiguration::leAudioConfig) {
+    LOG(WARNING) << __func__ << " - Invalid Audio Configuration="
+                 << audio_config.toString();
+    *_aidl_return = DataMQDesc();
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+  }
+  const auto& le_audio_config =
+      audio_config.get<AudioConfiguration::leAudioConfig>();
+  if (!BluetoothAudioCodecs::IsOffloadLeAudioConfigurationValid(
+          session_type_, le_audio_config)) {
+    LOG(WARNING) << __func__ << " - Unsupported LC3 Offloaded Configuration="
+                 << le_audio_config.toString();
+    *_aidl_return = DataMQDesc();
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+  }
+
+  return BluetoothAudioProvider::startSession(
+      host_if, audio_config, latency_modes, _aidl_return);
+}
+
+ndk::ScopedAStatus LeAudioOffloadAudioProvider::onSessionReady(
+    DataMQDesc* _aidl_return) {
+  BluetoothAudioSessionReport::OnSessionStarted(
+      session_type_, stack_iface_, nullptr, *audio_config_, latency_modes_);
+  *_aidl_return = DataMQDesc();
+  return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace audio
+}  // namespace bluetooth
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl