1 /* 2 * Copyright (C) 2021 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 TELEPHONY_AUDIO_SCENE_PROCESSOR_H 17 #define TELEPHONY_AUDIO_SCENE_PROCESSOR_H 18 19 #include "audio_base.h" 20 21 #include <map> 22 23 #include "singleton.h" 24 #include "audio_proxy.h" 25 26 namespace OHOS { 27 namespace Telephony { 28 enum CallStateType { 29 INACTIVE_STATE = 0, 30 ALERTING_STATE, 31 INCOMING_STATE, 32 CS_CALL_STATE, 33 IMS_CALL_STATE, 34 HOLDING_STATE, 35 UNKNOWN_STATE 36 }; 37 38 /** 39 * @class AudioSceneProcessor 40 * describes the available audio scenes of a call. 41 */ 42 class AudioSceneProcessor : public std::enable_shared_from_this<AudioSceneProcessor> { 43 DECLARE_DELAYED_SINGLETON(AudioSceneProcessor) 44 public: 45 int32_t Init(); 46 bool ProcessEvent(AudioEvent event); 47 48 private: 49 std::mutex mutex_; 50 bool SwitchState(AudioEvent event); 51 bool SwitchState(CallStateType state); 52 bool SwitchCS(); 53 bool SwitchIMS(); 54 bool SwitchOTT(); 55 bool SwitchAlerting(); 56 bool SwitchIncoming(); 57 bool SwitchHolding(); 58 bool SwitchInactive(); 59 bool ActivateAudioInterrupt(const AudioStandard::AudioStreamType &streamType); 60 bool DeactivateAudioInterrupt(); 61 AudioStandard::AudioScene currentAudioScene_; 62 std::unique_ptr<AudioBase> currentState_; 63 using AudioSceneProcessorFunc = bool (AudioSceneProcessor::*)(); 64 std::map<uint32_t, AudioSceneProcessorFunc> memberFuncMap_; 65 }; 66 } // namespace Telephony 67 } // namespace OHOS 68 #endif // TELEPHONY_AUDIO_SCENE_PROCESSOR_H 69