1 /* 2 * Copyright (C) 2017 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_EFFECT_BUFFER_HAL_LOCAL_H 18 #define ANDROID_HARDWARE_EFFECT_BUFFER_HAL_LOCAL_H 19 20 #include <memory> 21 22 #include <media/audiohal/EffectBufferHalInterface.h> 23 #include <system/audio_effect.h> 24 25 namespace android { 26 27 class EffectBufferHalLocal : public EffectBufferHalInterface 28 { 29 public: 30 virtual audio_buffer_t* audioBuffer(); 31 virtual void* externalData() const; 32 33 virtual void setExternalData(void* external); 34 virtual void setFrameCount(size_t frameCount); 35 virtual bool checkFrameCountChange(); 36 37 virtual void update(); 38 virtual void commit(); 39 virtual void update(size_t size); 40 virtual void commit(size_t size); 41 42 private: 43 friend class EffectBufferHalInterface; 44 45 std::unique_ptr<uint8_t[]> mOwnBuffer; 46 const size_t mBufferSize; 47 bool mFrameCountChanged; 48 audio_buffer_t mAudioBuffer; 49 50 // Can not be constructed directly by clients. 51 explicit EffectBufferHalLocal(size_t size); 52 EffectBufferHalLocal(void* external, size_t size); 53 54 virtual ~EffectBufferHalLocal(); 55 56 status_t init(); 57 }; 58 59 } // namespace android 60 61 #endif // ANDROID_HARDWARE_EFFECT_BUFFER_HAL_LOCAL_H 62