Add Bluetooth Audio default AIDL implementation
Test: manual
Bug: 203490261
Change-Id: I39224ecdd18b9eb0626d6188442a33ef65820673
diff --git a/bluetooth/audio/aidl/default/BluetoothAudioProvider.cpp b/bluetooth/audio/aidl/default/BluetoothAudioProvider.cpp
new file mode 100644
index 0000000..c2ffa2e
--- /dev/null
+++ b/bluetooth/audio/aidl/default/BluetoothAudioProvider.cpp
@@ -0,0 +1,138 @@
+/*
+ * 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 "BTAudioProviderStub"
+
+#include "BluetoothAudioProvider.h"
+
+#include <BluetoothAudioSessionReport.h>
+#include <android-base/logging.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace bluetooth {
+namespace audio {
+
+BluetoothAudioProvider::BluetoothAudioProvider() {
+ death_recipient_ = ::ndk::ScopedAIBinder_DeathRecipient(
+ AIBinder_DeathRecipient_new(binderDiedCallbackAidl));
+}
+
+ndk::ScopedAStatus BluetoothAudioProvider::startSession(
+ const std::shared_ptr<IBluetoothAudioPort>& host_if,
+ const AudioConfiguration& audio_config, DataMQDesc* _aidl_return) {
+ if (host_if == nullptr) {
+ *_aidl_return = DataMQDesc();
+ return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+ }
+ audio_config_ = std::make_unique<AudioConfiguration>(audio_config);
+ stack_iface_ = host_if;
+
+ AIBinder_linkToDeath(stack_iface_->asBinder().get(), death_recipient_.get(),
+ this);
+
+ onSessionReady(_aidl_return);
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus BluetoothAudioProvider::endSession() {
+ LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_);
+
+ if (stack_iface_ != nullptr) {
+ BluetoothAudioSessionReport::OnSessionEnded(session_type_);
+
+ AIBinder_unlinkToDeath(stack_iface_->asBinder().get(),
+ death_recipient_.get(), this);
+ } else {
+ LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
+ << " has NO session";
+ }
+
+ stack_iface_ = nullptr;
+ audio_config_ = nullptr;
+
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus BluetoothAudioProvider::streamStarted(
+ BluetoothAudioStatus status) {
+ LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
+ << ", status=" << toString(status);
+
+ if (stack_iface_ != nullptr) {
+ BluetoothAudioSessionReport::ReportControlStatus(session_type_, true,
+ status);
+ } else {
+ LOG(WARNING) << __func__ << " - SessionType=" << toString(session_type_)
+ << ", status=" << toString(status) << " has NO session";
+ }
+
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus BluetoothAudioProvider::streamSuspended(
+ BluetoothAudioStatus status) {
+ LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
+ << ", status=" << toString(status);
+
+ if (stack_iface_ != nullptr) {
+ BluetoothAudioSessionReport::ReportControlStatus(session_type_, false,
+ status);
+ } else {
+ LOG(WARNING) << __func__ << " - SessionType=" << toString(session_type_)
+ << ", status=" << toString(status) << " has NO session";
+ }
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus BluetoothAudioProvider::updateAudioConfiguration(
+ const AudioConfiguration& audio_config) {
+ LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_);
+
+ if (stack_iface_ == nullptr || audio_config_ == nullptr) {
+ LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
+ << " has NO session";
+ return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+ }
+
+ if (audio_config.getTag() != audio_config_->getTag()) {
+ LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
+ << " audio config type is not match";
+ return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+ }
+
+ audio_config_ = std::make_unique<AudioConfiguration>(audio_config);
+ BluetoothAudioSessionReport::ReportAudioConfigChanged(session_type_,
+ *audio_config_);
+ return ndk::ScopedAStatus::ok();
+}
+
+void BluetoothAudioProvider::binderDiedCallbackAidl(void* ptr) {
+ LOG(ERROR) << __func__ << " - BluetoothAudio Service died";
+ auto provider = static_cast<BluetoothAudioProvider*>(ptr);
+ if (provider == nullptr) {
+ LOG(ERROR) << __func__ << ": Null AudioProvider HAL died";
+ return;
+ }
+ provider->endSession();
+}
+
+} // namespace audio
+} // namespace bluetooth
+} // namespace hardware
+} // namespace android
+} // namespace aidl
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