1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef android_hardware_audio_common_EffectMap_H_ 18 #define android_hardware_audio_common_EffectMap_H_ 19 20 #include <mutex> 21 22 #include <hardware/audio_effect.h> 23 #include <utils/KeyedVector.h> 24 #include <utils/Singleton.h> 25 26 namespace android { 27 28 // This class needs to be in 'android' ns because Singleton macros require that. 29 class EffectMap : public Singleton<EffectMap> { 30 public: 31 static const uint64_t INVALID_ID; 32 33 uint64_t add(effect_handle_t handle); 34 effect_handle_t get(const uint64_t& id); 35 void remove(effect_handle_t handle); 36 37 private: 38 static uint64_t makeUniqueId(); 39 40 std::mutex mLock; 41 KeyedVector<uint64_t, effect_handle_t> mEffects; 42 }; 43 44 } // namespace android 45 46 #endif // android_hardware_audio_common_EffectMap_H_ 47
