1 /* 2 * Copyright (c) 2021-2022 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 ST_AUDIO_SERVER_H 17 #define ST_AUDIO_SERVER_H 18 19 #include <mutex> 20 #include <unordered_map> 21 #include <pthread.h> 22 #include "accesstoken_kit.h" 23 #include "ipc_skeleton.h" 24 #include "iremote_stub.h" 25 #include "system_ability.h" 26 #include "audio_renderer_sink.h" 27 #include "remote_audio_renderer_sink.h" 28 #include "i_standard_audio_server_manager_listener.h" 29 #include "audio_manager_base.h" 30 #include "audio_system_manager.h" 31 #include "audio_server_death_recipient.h" 32 33 namespace OHOS { 34 namespace AudioStandard { 35 class AudioServer : public SystemAbility, public AudioManagerStub, public AudioSinkCallback { 36 DECLARE_SYSTEM_ABILITY(AudioServer); 37 public: 38 DISALLOW_COPY_AND_MOVE(AudioServer); 39 explicit AudioServer(int32_t systemAbilityId, bool runOnCreate = true); 40 virtual ~AudioServer() = default; 41 void OnDump() override; 42 void OnStart() override; 43 void OnStop() override; 44 int32_t GetMaxVolume(AudioVolumeType volumeType) override; 45 int32_t GetMinVolume(AudioVolumeType volumeType) override; 46 int32_t SetMicrophoneMute(bool isMute) override; 47 bool IsMicrophoneMute() override; 48 int32_t SetVoiceVolume(float volume) override; 49 int32_t SetAudioScene(AudioScene audioScene, DeviceType activeDevice) override; 50 std::vector<sptr<AudioDeviceDescriptor>> GetDevices(DeviceFlag deviceFlag) override; 51 static void *paDaemonThread(void *arg); 52 void SetAudioParameter(const std::string& key, const std::string& value) override; 53 void SetAudioParameter(const std::string& networkId, const AudioParamKey key, const std::string& condition, 54 const std::string& value) override; 55 const std::string GetAudioParameter(const std::string &key) override; 56 const std::string GetAudioParameter(const std::string& networkId, const AudioParamKey key, 57 const std::string& condition) override; 58 const char *RetrieveCookie(int32_t &size) override; 59 uint64_t GetTransactionId(DeviceType deviceType, DeviceRole deviceRole) override; 60 int32_t UpdateActiveDeviceRoute(DeviceType type, DeviceFlag flag) override; 61 void SetAudioMonoState(bool audioMono) override; 62 void SetAudioBalanceValue(float audioBalance) override; 63 64 void NotifyDeviceInfo(std::string networkId, bool connected) override; 65 66 int32_t CheckRemoteDeviceState(std::string networkId, DeviceRole deviceRole, bool isStartDevice) override; 67 68 // ISinkParameterCallback 69 void OnAudioParameterChange(std::string netWorkId, const AudioParamKey key, 70 const std::string& condition, const std::string value) override; 71 72 int32_t SetParameterCallback(const sptr<IRemoteObject>& object) override; 73 protected: 74 void OnAddSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override; 75 private: 76 bool VerifyClientPermission(const std::string &permissionName); 77 static constexpr int32_t MAX_VOLUME = 15; 78 static constexpr int32_t MIN_VOLUME = 0; 79 static std::unordered_map<int, float> AudioStreamVolumeMap; 80 static std::map<std::string, std::string> audioParameters; 81 void AudioServerDied(pid_t pid); 82 void RegisterPolicyServerDeathRecipient(); 83 pthread_t m_paDaemonThread; 84 AudioScene audioScene_ = AUDIO_SCENE_DEFAULT; 85 std::shared_ptr<AudioParameterCallback> callback_; 86 }; 87 } // namespace AudioStandard 88 } // namespace OHOS 89 #endif // ST_AUDIO_SERVER_H 90