1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_HARDWARE_DEVICES_FACTORY_HAL_INTERFACE_H 18 #define ANDROID_HARDWARE_DEVICES_FACTORY_HAL_INTERFACE_H 19 20 #include <media/audiohal/DeviceHalInterface.h> 21 #include <utils/Errors.h> 22 #include <utils/RefBase.h> 23 24 namespace android { 25 26 class DevicesFactoryHalInterface : public RefBase 27 { 28 public: 29 // Opens a device with the specified name. To close the device, it is 30 // necessary to release references to the returned object. 31 virtual status_t openDevice(const char *name, sp<DeviceHalInterface> *device) = 0; 32 33 static sp<DevicesFactoryHalInterface> create(); 34 35 protected: 36 // Subclasses can not be constructed directly by clients. DevicesFactoryHalInterface()37 DevicesFactoryHalInterface() {} 38 ~DevicesFactoryHalInterface()39 virtual ~DevicesFactoryHalInterface() {} 40 }; 41 42 } // namespace android 43 44 #endif // ANDROID_HARDWARE_DEVICES_FACTORY_HAL_INTERFACE_H 45