/* * Copyright (c) 2022 Huawei Device Co., Ltd. * 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 OHOS_DAUDIO_HANDLER_H #define OHOS_DAUDIO_HANDLER_H #include <set> #include "cJSON.h" #include "ihardware_handler.h" #include "single_instance.h" #include "audio_param.h" #include "audio_capturer.h" #include "audio_info.h" #include "audio_renderer.h" namespace OHOS { namespace DistributedHardware { typedef struct { std::vector<AudioStandard::AudioSamplingRate> sampleRates; std::vector<AudioStandard::AudioChannel> channels; std::vector<AudioStandard::AudioSampleFormat> formats; } AudioInfo; class DAudioHandler : public IHardwareHandler { DECLARE_SINGLE_INSTANCE_BASE(DAudioHandler); public: int32_t Initialize() override; std::vector<DHItem> QueryMeta() override; std::vector<DHItem> Query() override; std::map<std::string, std::string> QueryExtraInfo() override; bool IsSupportPlugin() override; void RegisterPluginListener(std::shared_ptr<PluginListener> listener) override; void UnRegisterPluginListener() override; std::vector<DHItem> ablityForDump(); std::vector<DHItem> ablityForDumpVec_; private: DAudioHandler(); ~DAudioHandler(); int32_t QueryAudioInfo(); bool AddItemsToObject(DHItem &dhItem, cJSON *infoJson, const int32_t &dhId); std::vector<DHItem> RealQuery(const std::string &dataType); private: AudioInfo spkInfos_; AudioInfo micInfos_; std::shared_ptr<PluginListener> listener_ = nullptr; }; #ifdef __cplusplus extern "C" { #endif __attribute__((visibility("default"))) IHardwareHandler *GetHardwareHandler(); #ifdef __cplusplus } #endif } // DistributedHardware } // OHOS #endif // OHOS_DAUDIO_HANDLER_H