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pawlet_rpi4/audio/include/core-impl/StreamBluetooth.h
T
Konsta babfb58305 audio: import aidl hal
* hardware/interfaces/audio/aidl/default/ at android-16.0.0_r1.
2025-11-06 13:16:26 +02:00

117 lines
4.7 KiB
C++

/*
* Copyright (C) 2023 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 <mutex>
#include <vector>
#include <aidl/android/hardware/audio/core/IBluetooth.h>
#include <aidl/android/hardware/audio/core/IBluetoothA2dp.h>
#include <aidl/android/hardware/audio/core/IBluetoothLe.h>
#include "core-impl/DevicePortProxy.h"
#include "core-impl/ModuleBluetooth.h"
#include "core-impl/Stream.h"
namespace aidl::android::hardware::audio::core {
class StreamBluetooth : public StreamCommonImpl {
public:
static bool checkConfigParams(
const ::aidl::android::hardware::bluetooth::audio::PcmConfiguration& pcmConfig,
const ::aidl::android::media::audio::common::AudioConfigBase& config);
StreamBluetooth(
StreamContext* context, const Metadata& metadata,
ModuleBluetooth::BtProfileHandles&& btHandles,
const std::shared_ptr<::android::bluetooth::audio::aidl::BluetoothAudioPortAidl>&
btDeviceProxy,
const ::aidl::android::hardware::bluetooth::audio::PcmConfiguration& pcmConfig);
~StreamBluetooth();
// Methods of 'DriverInterface'.
::android::status_t init(DriverCallbackInterface*) override;
::android::status_t drain(StreamDescriptor::DrainMode) override;
::android::status_t flush() override;
::android::status_t pause() override;
::android::status_t standby() override;
::android::status_t start() override;
::android::status_t transfer(void* buffer, size_t frameCount, size_t* actualFrameCount,
int32_t* latencyMs) override;
void shutdown() override;
// Overridden methods of 'StreamCommonImpl', called on a Binder thread.
ndk::ScopedAStatus updateMetadataCommon(const Metadata& metadata) override;
ndk::ScopedAStatus prepareToClose() override;
ndk::ScopedAStatus bluetoothParametersUpdated() override;
private:
const size_t mFrameSizeBytes;
const bool mIsInput;
const std::weak_ptr<IBluetoothA2dp> mBluetoothA2dp;
const std::weak_ptr<IBluetoothLe> mBluetoothLe;
const size_t mPreferredDataIntervalUs;
mutable std::mutex mLock;
// The lock is also used to serialize calls to the proxy.
std::shared_ptr<::android::bluetooth::audio::aidl::BluetoothAudioPortAidl> mBtDeviceProxy
GUARDED_BY(mLock); // proxy may be null if the stream is not connected to a device
};
class StreamInBluetooth final : public StreamIn, public StreamBluetooth {
public:
friend class ndk::SharedRefBase;
static int32_t getNominalLatencyMs(size_t dataIntervalUs);
StreamInBluetooth(
StreamContext&& context,
const ::aidl::android::hardware::audio::common::SinkMetadata& sinkMetadata,
const std::vector<::aidl::android::media::audio::common::MicrophoneInfo>& microphones,
ModuleBluetooth::BtProfileHandles&& btHandles,
const std::shared_ptr<::android::bluetooth::audio::aidl::BluetoothAudioPortAidl>&
btDeviceProxy,
const ::aidl::android::hardware::bluetooth::audio::PcmConfiguration& pcmConfig);
private:
void onClose(StreamDescriptor::State) override { defaultOnClose(); }
ndk::ScopedAStatus getActiveMicrophones(
std::vector<::aidl::android::media::audio::common::MicrophoneDynamicInfo>* _aidl_return)
override;
};
class StreamOutBluetooth final : public StreamOut, public StreamBluetooth {
public:
friend class ndk::SharedRefBase;
static int32_t getNominalLatencyMs(size_t dataIntervalUs);
StreamOutBluetooth(
StreamContext&& context,
const ::aidl::android::hardware::audio::common::SourceMetadata& sourceMetadata,
const std::optional<::aidl::android::media::audio::common::AudioOffloadInfo>&
offloadInfo,
ModuleBluetooth::BtProfileHandles&& btHandles,
const std::shared_ptr<::android::bluetooth::audio::aidl::BluetoothAudioPortAidl>&
btDeviceProxy,
const ::aidl::android::hardware::bluetooth::audio::PcmConfiguration& pcmConfig);
private:
void onClose(StreamDescriptor::State) override { defaultOnClose(); }
};
} // namespace aidl::android::hardware::audio::core