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.

66 lines
2.2 KiB

/*
* Copyright (C) 2016 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.
*/
#ifndef ANDROID_HARDWARE_DEVICES_FACTORY_HAL_HIDL_H
#define ANDROID_HARDWARE_DEVICES_FACTORY_HAL_HIDL_H
#include <mutex>
#include <vector>
#include PATH(android/hardware/audio/FILE_VERSION/IDevicesFactory.h)
#include <media/audiohal/DevicesFactoryHalInterface.h>
#include <utils/Errors.h>
#include <utils/RefBase.h>
#include "DeviceHalHidl.h"
using ::android::hardware::audio::CPP_VERSION::IDevicesFactory;
namespace android {
namespace CPP_VERSION {
class DevicesFactoryHalHidl : public DevicesFactoryHalInterface
{
public:
explicit DevicesFactoryHalHidl(sp<IDevicesFactory> devicesFactory);
void onFirstRef() override;
// Opens a device with the specified name. To close the device, it is
// necessary to release references to the returned object.
status_t openDevice(const char *name, sp<DeviceHalInterface> *device) override;
status_t getHalPids(std::vector<pid_t> *pids) override;
status_t setCallbackOnce(sp<DevicesFactoryHalCallback> callback) override;
private:
friend class ServiceNotificationListener;
void addDeviceFactory(sp<IDevicesFactory> factory, bool needToNotify);
std::vector<sp<IDevicesFactory>> copyDeviceFactories();
std::mutex mLock;
std::vector<sp<IDevicesFactory>> mDeviceFactories; // GUARDED_BY(mLock)
wp<DevicesFactoryHalCallback> mCallback; // GUARDED_BY(mLock)
bool mHaveUndeliveredNotifications = false; // GUARDED_BY(mLock)
virtual ~DevicesFactoryHalHidl() = default;
};
} // namespace CPP_VERSION
} // namespace android
#endif // ANDROID_HARDWARE_DEVICES_FACTORY_HAL_HIDL_H