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_EFFECTS_FACTORY_HAL_LOCAL_H 18 #define ANDROID_HARDWARE_EFFECTS_FACTORY_HAL_LOCAL_H 19 20 #include <media/audiohal/EffectsFactoryHalInterface.h> 21 22 namespace android { 23 24 class EffectsFactoryHalLocal : public EffectsFactoryHalInterface 25 { 26 public: 27 // Returns the number of different effects in all loaded libraries. 28 virtual status_t queryNumberEffects(uint32_t *pNumEffects); 29 30 // Returns a descriptor of the next available effect. 31 virtual status_t getDescriptor(uint32_t index, 32 effect_descriptor_t *pDescriptor); 33 34 virtual status_t getDescriptor(const effect_uuid_t *pEffectUuid, 35 effect_descriptor_t *pDescriptor); 36 37 // Creates an effect engine of the specified type. 38 // To release the effect engine, it is necessary to release references 39 // to the returned effect object. 40 virtual status_t createEffect(const effect_uuid_t *pEffectUuid, 41 int32_t sessionId, int32_t ioId, 42 sp<EffectHalInterface> *effect); 43 44 virtual status_t dumpEffects(int fd); 45 46 private: 47 friend class EffectsFactoryHalInterface; 48 49 // Can not be constructed directly by clients. EffectsFactoryHalLocal()50 EffectsFactoryHalLocal() {} 51 ~EffectsFactoryHalLocal()52 virtual ~EffectsFactoryHalLocal() {} 53 }; 54 55 } // namespace android 56 57 #endif // ANDROID_HARDWARE_EFFECTS_FACTORY_HAL_LOCAL_H 58