You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
137 lines
4.7 KiB
137 lines
4.7 KiB
/*
|
|
* Copyright 2021 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/IBluetoothAudioProvidersFactory.h>
|
|
#include <android/hardware/bluetooth/audio/2.1/types.h>
|
|
#include <android/hidl/manager/1.2/IServiceManager.h>
|
|
#include <base/logging.h>
|
|
#include <hidl/ServiceManagement.h>
|
|
|
|
namespace bluetooth {
|
|
namespace audio {
|
|
|
|
using ::android::hardware::hidl_vec;
|
|
|
|
using IBluetoothAudioProvidersFactory_2_0 = ::android::hardware::bluetooth::
|
|
audio::V2_0::IBluetoothAudioProvidersFactory;
|
|
using IBluetoothAudioProvidersFactory_2_1 = ::android::hardware::bluetooth::
|
|
audio::V2_1::IBluetoothAudioProvidersFactory;
|
|
|
|
constexpr char kFullyQualifiedInterfaceName_2_0[] =
|
|
"android.hardware.bluetooth.audio@2.0::IBluetoothAudioProvidersFactory";
|
|
constexpr char kFullyQualifiedInterfaceName_2_1[] =
|
|
"android.hardware.bluetooth.audio@2.1::IBluetoothAudioProvidersFactory";
|
|
|
|
enum class BluetoothAudioHalVersion : uint8_t {
|
|
VERSION_2_0 = 0,
|
|
VERSION_2_1,
|
|
VERSION_UNAVAILABLE,
|
|
};
|
|
|
|
class HalVersionManager {
|
|
public:
|
|
static BluetoothAudioHalVersion GetHalVersion() {
|
|
std::lock_guard<std::mutex> guard(instance_ptr->mutex_);
|
|
return instance_ptr->hal_version_;
|
|
}
|
|
|
|
static android::sp<IBluetoothAudioProvidersFactory_2_1>
|
|
GetProvidersFactory_2_1() {
|
|
std::lock_guard<std::mutex> guard(instance_ptr->mutex_);
|
|
if (instance_ptr->hal_version_ != BluetoothAudioHalVersion::VERSION_2_1) {
|
|
return nullptr;
|
|
}
|
|
android::sp<IBluetoothAudioProvidersFactory_2_1> providers_factory =
|
|
IBluetoothAudioProvidersFactory_2_1::getService();
|
|
CHECK(providers_factory)
|
|
<< "V2_1::IBluetoothAudioProvidersFactory::getService() failed";
|
|
|
|
LOG(INFO) << "V2_1::IBluetoothAudioProvidersFactory::getService() returned "
|
|
<< providers_factory.get()
|
|
<< (providers_factory->isRemote() ? " (remote)" : " (local)");
|
|
return providers_factory;
|
|
}
|
|
|
|
static android::sp<IBluetoothAudioProvidersFactory_2_0>
|
|
GetProvidersFactory_2_0() {
|
|
std::unique_lock<std::mutex> guard(instance_ptr->mutex_);
|
|
if (instance_ptr->hal_version_ == BluetoothAudioHalVersion::VERSION_2_1) {
|
|
guard.unlock();
|
|
return instance_ptr->GetProvidersFactory_2_1();
|
|
}
|
|
android::sp<IBluetoothAudioProvidersFactory_2_0> providers_factory =
|
|
IBluetoothAudioProvidersFactory_2_0::getService();
|
|
CHECK(providers_factory)
|
|
<< "V2_0::IBluetoothAudioProvidersFactory::getService() failed";
|
|
|
|
LOG(INFO) << "V2_0::IBluetoothAudioProvidersFactory::getService() returned "
|
|
<< providers_factory.get()
|
|
<< (providers_factory->isRemote() ? " (remote)" : " (local)");
|
|
guard.unlock();
|
|
return providers_factory;
|
|
}
|
|
|
|
HalVersionManager() {
|
|
auto service_manager = android::hardware::defaultServiceManager1_2();
|
|
CHECK(service_manager != nullptr);
|
|
size_t instance_count = 0;
|
|
auto listManifestByInterface_cb =
|
|
[&instance_count](
|
|
const hidl_vec<android::hardware::hidl_string>& instanceNames) {
|
|
instance_count = instanceNames.size();
|
|
};
|
|
auto hidl_retval = service_manager->listManifestByInterface(
|
|
kFullyQualifiedInterfaceName_2_1, listManifestByInterface_cb);
|
|
if (!hidl_retval.isOk()) {
|
|
LOG(FATAL) << __func__ << ": IServiceManager::listByInterface failure: "
|
|
<< hidl_retval.description();
|
|
return;
|
|
}
|
|
|
|
if (instance_count > 0) {
|
|
hal_version_ = BluetoothAudioHalVersion::VERSION_2_1;
|
|
return;
|
|
}
|
|
|
|
hidl_retval = service_manager->listManifestByInterface(
|
|
kFullyQualifiedInterfaceName_2_0, listManifestByInterface_cb);
|
|
if (!hidl_retval.isOk()) {
|
|
LOG(FATAL) << __func__ << ": IServiceManager::listByInterface failure: "
|
|
<< hidl_retval.description();
|
|
return;
|
|
}
|
|
|
|
if (instance_count > 0) {
|
|
hal_version_ = BluetoothAudioHalVersion::VERSION_2_0;
|
|
return;
|
|
}
|
|
|
|
hal_version_ = BluetoothAudioHalVersion::VERSION_UNAVAILABLE;
|
|
LOG(ERROR) << __func__ << " No supported HAL version";
|
|
}
|
|
|
|
private:
|
|
static std::unique_ptr<HalVersionManager> instance_ptr;
|
|
std::mutex mutex_;
|
|
|
|
BluetoothAudioHalVersion hal_version_;
|
|
};
|
|
|
|
} // namespace audio
|
|
} // namespace bluetooth
|