1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_DAUDIO_HANDLER_H 17 #define OHOS_DAUDIO_HANDLER_H 18 19 #include <set> 20 21 #include "ihardware_handler.h" 22 #include "single_instance.h" 23 #include "audio_param.h" 24 #include "audio_capturer.h" 25 #include "audio_info.h" 26 27 namespace OHOS { 28 namespace DistributedHardware { 29 typedef struct { 30 std::vector<int32_t> sampleRates; 31 std::vector<int32_t> channels; 32 std::vector<int32_t> formats; 33 int32_t channelMaxVal; 34 int32_t channelMinVal; 35 } CoderInfo; 36 37 typedef struct { 38 std::vector<AudioStandard::AudioSamplingRate> sampleRates; 39 std::vector<AudioStandard::AudioChannel> channels; 40 std::vector<AudioStandard::AudioSampleFormat> formats; 41 } AudioInfo; 42 43 class DAudioHandler : public IHardwareHandler { 44 DECLARE_SINGLE_INSTANCE_BASE(DAudioHandler); 45 46 public: 47 int32_t Initialize() override; 48 std::vector<DHItem> Query() override; 49 std::map<std::string, std::string> QueryExtraInfo() override; 50 bool IsSupportPlugin() override; 51 void RegisterPluginListener(std::shared_ptr<PluginListener> listener) override; 52 void UnRegisterPluginListener() override; 53 std::vector<DHItem> ablityForDump(); 54 std::vector<DHItem> ablityForDumpVec_; 55 private: 56 DAudioHandler(); 57 ~DAudioHandler(); 58 int32_t QueryCodecInfo(); 59 int32_t QueryAudioInfo(); 60 void GetSupportAudioInfo(AudioInfo &audioInfos, CoderInfo &encoderInfos, CoderInfo &decoderInfos); 61 62 private: 63 CoderInfo encoderInfos_; 64 CoderInfo decoderInfos_; 65 AudioInfo audioInfos_; 66 CoderInfo spkInfos_; 67 CoderInfo micInfos_; 68 std::shared_ptr<PluginListener> listener_ = nullptr; 69 }; 70 71 #ifdef __cplusplus 72 extern "C" { 73 #endif 74 __attribute__((visibility("default"))) IHardwareHandler *GetHardwareHandler(); 75 #ifdef __cplusplus 76 } 77 #endif 78 } // DistributedHardware 79 } // OHOS 80 #endif // OHOS_DAUDIO_HANDLER_H 81