1 /* 2 * Copyright (C) 2013 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 BUFFER_PRODUCER_WRAPPER_H_ 18 19 #define BUFFER_PRODUCER_WRAPPER_H_ 20 21 #include <gui/IGraphicBufferProducer.h> 22 #include <media/stagefright/foundation/ABase.h> 23 24 namespace android { 25 26 // Can't use static_cast to cast a RefBase back to an IGraphicBufferProducer, 27 // because IGBP's parent (IInterface) uses virtual inheritance. This class 28 // wraps IGBP while we pass it through AMessage. 29 30 struct BufferProducerWrapper : RefBase { BufferProducerWrapperBufferProducerWrapper31 BufferProducerWrapper( 32 const sp<IGraphicBufferProducer>& bufferProducer) : 33 mBufferProducer(bufferProducer) { } 34 getBufferProducerBufferProducerWrapper35 sp<IGraphicBufferProducer> getBufferProducer() const { 36 return mBufferProducer; 37 } 38 39 private: 40 const sp<IGraphicBufferProducer> mBufferProducer; 41 42 DISALLOW_EVIL_CONSTRUCTORS(BufferProducerWrapper); 43 }; 44 45 } // namespace android 46 47 #endif // BUFFER_PRODUCER_WRAPPER_H_ 48