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/*
* 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.
*/
#pragma once
#include <aidl/android/hardware/bluetooth/audio/BnBluetoothAudioProvider.h>
#include <aidl/android/hardware/bluetooth/audio/LatencyMode.h>
#include <aidl/android/hardware/bluetooth/audio/SessionType.h>
#include <fmq/AidlMessageQueue.h>
using ::aidl::android::hardware::common::fmq::MQDescriptor;
using ::aidl::android::hardware::common::fmq::SynchronizedReadWrite;
using ::android::AidlMessageQueue;
using MqDataType = int8_t;
using MqDataMode = SynchronizedReadWrite;
using DataMQ = AidlMessageQueue<MqDataType, MqDataMode>;
using DataMQDesc = MQDescriptor<MqDataType, MqDataMode>;
namespace aidl {
namespace android {
namespace hardware {
namespace bluetooth {
namespace audio {
class BluetoothAudioProvider : public BnBluetoothAudioProvider {
public:
BluetoothAudioProvider();
ndk::ScopedAStatus startSession(
const std::shared_ptr<IBluetoothAudioPort>& host_if,
const AudioConfiguration& audio_config,
const std::vector<LatencyMode>& latency_modes,
DataMQDesc* _aidl_return);
ndk::ScopedAStatus endSession();
ndk::ScopedAStatus streamStarted(BluetoothAudioStatus status);
ndk::ScopedAStatus streamSuspended(BluetoothAudioStatus status);
ndk::ScopedAStatus updateAudioConfiguration(
const AudioConfiguration& audio_config);
ndk::ScopedAStatus setLowLatencyModeAllowed(bool allowed);
virtual bool isValid(const SessionType& sessionType) = 0;
protected:
virtual ndk::ScopedAStatus onSessionReady(DataMQDesc* _aidl_return) = 0;
static void binderDiedCallbackAidl(void* cookie_ptr);
::ndk::ScopedAIBinder_DeathRecipient death_recipient_;
std::shared_ptr<IBluetoothAudioPort> stack_iface_;
std::unique_ptr<AudioConfiguration> audio_config_ = nullptr;
SessionType session_type_;
std::vector<LatencyMode> latency_modes_;
bool is_binder_died = false;
};
} // namespace audio
} // namespace bluetooth
} // namespace hardware
} // namespace android
} // namespace aidl
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