| /* |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include <android/media/audio/common/AudioHalEngineConfig.h> |
| #include <android/media/SurroundSoundConfig.h> |
| #include <media/audiohal/DeviceHalInterface.h> |
| #include <utils/Errors.h> |
| #include <utils/RefBase.h> |
| #include <vector> |
| |
| #include "AudioHalVersionInfo.h" |
| |
| namespace android { |
| |
| class DevicesFactoryHalCallback : public RefBase |
| { |
| public: |
| virtual void onNewDevicesAvailable() = 0; |
| }; |
| |
| class DevicesFactoryHalInterface : public RefBase |
| { |
| public: |
| virtual status_t getDeviceNames(std::vector<std::string> *names) = 0; |
| |
| // Opens a device with the specified name. To close the device, it is |
| // necessary to release references to the returned object. |
| virtual status_t openDevice(const char *name, sp<DeviceHalInterface> *device) = 0; |
| |
| virtual status_t getHalPids(std::vector<pid_t> *pids) = 0; |
| |
| // Sets a DevicesFactoryHalCallback to notify the client. |
| // The callback can be only set once. |
| virtual status_t setCallbackOnce(sp<DevicesFactoryHalCallback> callback) = 0; |
| |
| virtual android::detail::AudioHalVersionInfo getHalVersion() const = 0; |
| |
| virtual status_t getSurroundSoundConfig(media::SurroundSoundConfig *config) = 0; |
| |
| virtual status_t getEngineConfig(media::audio::common::AudioHalEngineConfig *config) = 0; |
| |
| static sp<DevicesFactoryHalInterface> create(); |
| |
| protected: |
| // Subclasses can not be constructed directly by clients. |
| DevicesFactoryHalInterface() {} |
| |
| virtual ~DevicesFactoryHalInterface() {} |
| }; |
| |
| } // namespace android |