Home | History | Annotate | Download | only in stagefright 
      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 {
     31     BufferProducerWrapper(
     32             const sp<IGraphicBufferProducer>& bufferProducer) :
     33         mBufferProducer(bufferProducer) { }
     34 
     35     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