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 AUDIO_STREAM_COLLECTOR_H 17 #define AUDIO_STREAM_COLLECTOR_H 18 19 #include "audio_info.h" 20 #include "audio_stream_event_dispatcher.h" 21 22 namespace OHOS { 23 namespace AudioStandard { 24 class AudioStreamCollector { 25 public: GetAudioStreamCollector()26 static AudioStreamCollector& GetAudioStreamCollector() 27 { 28 static AudioStreamCollector audioStreamCollector; 29 return audioStreamCollector; 30 } 31 32 AudioStreamCollector(); 33 ~AudioStreamCollector(); 34 int32_t RegisterAudioRendererEventListener(int32_t clientUID, const sptr<IRemoteObject> &object, 35 bool hasBTPermission); 36 int32_t UnregisterAudioRendererEventListener(int32_t clientUID); 37 int32_t RegisterAudioCapturerEventListener(int32_t clientUID, const sptr<IRemoteObject> &object, 38 bool hasBTPermission); 39 int32_t UnregisterAudioCapturerEventListener(int32_t clientUID); 40 int32_t RegisterTracker(AudioMode &mode, AudioStreamChangeInfo &streamChangeInfo, 41 const sptr<IRemoteObject> &object); 42 int32_t UpdateTracker(AudioMode &mode, AudioStreamChangeInfo &streamChangeInfo); 43 int32_t UpdateTracker(const AudioMode &mode, DeviceInfo &deviceInfo); 44 int32_t GetCurrentRendererChangeInfos(vector<unique_ptr<AudioRendererChangeInfo>> &rendererChangeInfos); 45 int32_t GetCurrentCapturerChangeInfos(vector<unique_ptr<AudioCapturerChangeInfo>> &capturerChangeInfos); 46 void RegisteredTrackerClientDied(int32_t uid); 47 void RegisteredStreamListenerClientDied(int32_t uid); 48 int32_t UpdateStreamState(int32_t clientUid, StreamSetStateEventInternal &streamSetStateEventInternal); 49 int32_t SetLowPowerVolume(int32_t streamId, float volume); 50 float GetLowPowerVolume(int32_t streamId); 51 float GetSingleStreamVolume(int32_t streamId); 52 bool GetAndCompareStreamType(AudioStreamType requiredType, AudioRendererInfo rendererInfo); 53 private: 54 AudioStreamEventDispatcher &mDispatcherService; 55 std::mutex streamsInfoMutex_; 56 std::map<std::pair<int32_t, int32_t>, int32_t> rendererStatequeue_; 57 std::map<std::pair<int32_t, int32_t>, int32_t> capturerStatequeue_; 58 std::vector<std::unique_ptr<AudioRendererChangeInfo>> audioRendererChangeInfos_; 59 std::vector<std::unique_ptr<AudioCapturerChangeInfo>> audioCapturerChangeInfos_; 60 std::unordered_map<int32_t, std::shared_ptr<AudioClientTracker>> clientTracker_; 61 static const std::map<std::pair<ContentType, StreamUsage>, AudioStreamType> streamTypeMap_; 62 static std::map<std::pair<ContentType, StreamUsage>, AudioStreamType> CreateStreamMap(); 63 int32_t AddRendererStream(AudioStreamChangeInfo &streamChangeInfo); 64 int32_t AddCapturerStream(AudioStreamChangeInfo &streamChangeInfo); 65 int32_t UpdateRendererStream(AudioStreamChangeInfo &streamChangeInfo); 66 int32_t UpdateCapturerStream(AudioStreamChangeInfo &streamChangeInfo); 67 int32_t UpdateRendererDeviceInfo(DeviceInfo &outputDeviceInfo); 68 int32_t UpdateCapturerDeviceInfo(DeviceInfo &inputDeviceInfo); 69 }; 70 } // namespace AudioStandard 71 } // namespace OHOS 72 #endif 73