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treble_evolution/bluetooth/audio/utils/session/BluetoothAudioSession_2_1.h
2024-03-10 06:48:11 +00:00

96 lines
3.3 KiB
C++

/*
* Copyright 2018 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 <android/hardware/bluetooth/audio/2.1/types.h>
#include "BluetoothAudioSession.h"
#include <mutex>
#include <unordered_map>
namespace android {
namespace bluetooth {
namespace audio {
class BluetoothAudioSession_2_1 {
private:
std::shared_ptr<BluetoothAudioSession> audio_session;
::android::hardware::bluetooth::audio::V2_1::SessionType session_type_2_1_;
::android::hardware::bluetooth::audio::V2_1::SessionType raw_session_type_;
// audio data configuration for both software and offloading
::android::hardware::bluetooth::audio::V2_1::AudioConfiguration
audio_config_2_1_;
bool UpdateAudioConfig(
const ::android::hardware::bluetooth::audio::V2_1::AudioConfiguration&
audio_config);
static ::android::hardware::bluetooth::audio::V2_1::AudioConfiguration
invalidSoftwareAudioConfiguration;
static ::android::hardware::bluetooth::audio::V2_1::AudioConfiguration
invalidOffloadAudioConfiguration;
public:
BluetoothAudioSession_2_1(
const ::android::hardware::bluetooth::audio::V2_1::SessionType&
session_type);
std::shared_ptr<BluetoothAudioSession> GetAudioSession();
// The report function is used to report that the Bluetooth stack has started
// this session without any failure, and will invoke session_changed_cb_ to
// notify those registered bluetooth_audio outputs
void OnSessionStarted(
const sp<IBluetoothAudioPort> stack_iface,
const DataMQ::Descriptor* dataMQ,
const ::android::hardware::bluetooth::audio::V2_1::AudioConfiguration&
audio_config);
// The control function is for the bluetooth_audio module to get the current
// AudioConfiguration
const ::android::hardware::bluetooth::audio::V2_1::AudioConfiguration
GetAudioConfig();
static constexpr ::android::hardware::bluetooth::audio::V2_1::
AudioConfiguration& kInvalidSoftwareAudioConfiguration =
invalidSoftwareAudioConfiguration;
static constexpr ::android::hardware::bluetooth::audio::V2_1::
AudioConfiguration& kInvalidOffloadAudioConfiguration =
invalidOffloadAudioConfiguration;
};
class BluetoothAudioSessionInstance_2_1 {
public:
// The API is to fetch the specified session of A2DP / Hearing Aid
static std::shared_ptr<BluetoothAudioSession_2_1> GetSessionInstance(
const ::android::hardware::bluetooth::audio::V2_1::SessionType&
session_type);
private:
static std::unique_ptr<BluetoothAudioSessionInstance_2_1> instance_ptr;
std::mutex mutex_;
std::unordered_map<::android::hardware::bluetooth::audio::V2_1::SessionType,
std::shared_ptr<BluetoothAudioSession_2_1>>
sessions_map_;
};
} // namespace audio
} // namespace bluetooth
} // namespace android