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 DIALING_STATE, 31 ALERTING_STATE, 32 INCOMING_STATE, 33 CS_CALL_STATE, 34 IMS_CALL_STATE, 35 HOLDING_STATE, 36 UNKNOWN_STATE 37 }; 38 39 /** 40 * @class AudioSceneProcessor 41 * describes the available audio scenes of a call. 42 */ 43 class AudioSceneProcessor : public std::enable_shared_from_this<AudioSceneProcessor> { 44 DECLARE_DELAYED_SINGLETON(AudioSceneProcessor) 45 public: 46 int32_t Init(); 47 bool ProcessEvent(AudioEvent event); 48 49 private: 50 std::mutex mutex_; 51 bool SwitchState(AudioEvent event); 52 bool SwitchState(CallStateType state); 53 bool SwitchCS(); 54 bool SwitchIMS(); 55 bool SwitchOTT(); 56 bool SwitchDialing(); 57 bool SwitchAlerting(); 58 bool SwitchIncoming(); 59 bool SwitchHolding(); 60 bool SwitchInactive(); 61 bool ActivateAudioInterrupt(const AudioStandard::AudioStreamType &streamType); 62 bool DeactivateAudioInterrupt(); 63 AudioStandard::AudioScene currentAudioScene_; 64 std::unique_ptr<AudioBase> currentState_; 65 using AudioSceneProcessorFunc = bool (AudioSceneProcessor::*)(); 66 std::map<uint32_t, AudioSceneProcessorFunc> memberFuncMap_; 67 }; 68 } // namespace Telephony 69 } // namespace OHOS 70 #endif // TELEPHONY_AUDIO_SCENE_PROCESSOR_H 71