1 /* 2 * Copyright (c) 2021-2023 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 ST_AUDIO_SERVER_H 17 #define ST_AUDIO_SERVER_H 18 19 #include <mutex> 20 #include <pthread.h> 21 #include <unordered_map> 22 23 #include "accesstoken_kit.h" 24 #include "ipc_skeleton.h" 25 #include "iremote_stub.h" 26 #include "system_ability.h" 27 28 #include "audio_manager_base.h" 29 #include "audio_server_death_recipient.h" 30 #include "audio_system_manager.h" 31 #include "i_audio_renderer_sink.h" 32 #include "i_audio_capturer_source.h" 33 #include "audio_effect_server.h" 34 35 namespace OHOS { 36 namespace AudioStandard { 37 class AudioServer : public SystemAbility, public AudioManagerStub, public IAudioSinkCallback, IAudioSourceCallback { 38 DECLARE_SYSTEM_ABILITY(AudioServer); 39 public: 40 DISALLOW_COPY_AND_MOVE(AudioServer); 41 explicit AudioServer(int32_t systemAbilityId, bool runOnCreate = true); 42 virtual ~AudioServer() = default; 43 void OnDump() override; 44 void OnStart() override; 45 void OnStop() override; 46 int32_t Dump(int32_t fd, const std::vector<std::u16string> &args) override; 47 48 bool LoadAudioEffectLibraries(std::vector<Library> libraries, std::vector<Effect> effects, 49 std::vector<Effect>& successEffectList) override; 50 bool CreatePlaybackCapturerManager() override; 51 bool CreateEffectChainManager(std::vector<EffectChain> &effectChains, 52 std::unordered_map<std::string, std::string> &map) override; 53 bool SetOutputDeviceSink(int32_t deviceType, std::string &sinkName) override; 54 int32_t SetMicrophoneMute(bool isMute) override; 55 bool IsMicrophoneMute() override; 56 int32_t SetVoiceVolume(float volume) override; 57 int32_t SetAudioScene(AudioScene audioScene, DeviceType activeDevice) override; 58 std::vector<sptr<AudioDeviceDescriptor>> GetDevices(DeviceFlag deviceFlag) override; 59 static void *paDaemonThread(void *arg); 60 void SetAudioParameter(const std::string& key, const std::string& value) override; 61 void SetAudioParameter(const std::string& networkId, const AudioParamKey key, const std::string& condition, 62 const std::string& value) override; 63 const std::string GetAudioParameter(const std::string &key) override; 64 const std::string GetAudioParameter(const std::string& networkId, const AudioParamKey key, 65 const std::string& condition) override; 66 const char *RetrieveCookie(int32_t &size) override; 67 uint64_t GetTransactionId(DeviceType deviceType, DeviceRole deviceRole) override; 68 int32_t UpdateActiveDeviceRoute(DeviceType type, DeviceFlag flag) override; 69 void SetAudioMonoState(bool audioMono) override; 70 void SetAudioBalanceValue(float audioBalance) override; 71 72 void NotifyDeviceInfo(std::string networkId, bool connected) override; 73 74 int32_t CheckRemoteDeviceState(std::string networkId, DeviceRole deviceRole, bool isStartDevice) override; 75 76 sptr<IRemoteObject> CreateAudioProcess(const AudioProcessConfig &config) override; 77 78 // ISinkParameterCallback 79 void OnAudioParameterChange(std::string netWorkId, const AudioParamKey key, 80 const std::string& condition, const std::string& value) override; 81 // IAudioSourceCallback 82 void OnWakeupClose() override; 83 84 void OnCapturerState(bool isActive) override; 85 86 int32_t SetParameterCallback(const sptr<IRemoteObject>& object) override; 87 88 int32_t RegiestPolicyProvider(const sptr<IRemoteObject> &object) override; 89 90 int32_t SetWakeupSourceCallback(const sptr<IRemoteObject>& object) override; 91 92 void RequestThreadPriority(uint32_t tid, std::string bundleName) override; 93 94 int32_t SetSupportStreamUsage(std::vector<int32_t> usage) override; 95 96 int32_t SetCaptureSilentState(bool state) override; 97 98 protected: 99 void OnAddSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override; 100 101 private: 102 bool VerifyClientPermission(const std::string &permissionName, 103 Security::AccessToken::AccessTokenID tokenId = Security::AccessToken::INVALID_TOKENID); 104 void AudioServerDied(pid_t pid); 105 void RegisterPolicyServerDeathRecipient(); 106 void RegisterAudioCapturerSourceCallback(); 107 108 private: 109 static constexpr int32_t MEDIA_SERVICE_UID = 1013; 110 static constexpr int32_t MAX_VOLUME = 15; 111 static constexpr int32_t MIN_VOLUME = 0; 112 static std::unordered_map<int, float> AudioStreamVolumeMap; 113 static std::map<std::string, std::string> audioParameters; 114 115 int32_t audioUid_ = 1041; 116 pthread_t m_paDaemonThread; 117 AudioScene audioScene_ = AUDIO_SCENE_DEFAULT; 118 std::shared_ptr<AudioParameterCallback> audioParameterCallback_; 119 std::shared_ptr<WakeUpSourceCallback> wakeupCallback_; 120 std::mutex setParameterCallbackMutex_; 121 std::mutex setWakeupCloseCallbackMutex_; 122 std::mutex audioParameterMutex_; 123 std::mutex wakeupCloseMutex_; 124 bool isGetProcessEnabled_ = false; 125 std::unique_ptr<AudioEffectServer> audioEffectServer_; 126 }; 127 } // namespace AudioStandard 128 } // namespace OHOS 129 #endif // ST_AUDIO_SERVER_H 130