1 /* 2 * Copyright (C) 2012 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_SERVERS_CAMERA_CAMERA2HEAP_H 18 #define ANDROiD_SERVERS_CAMERA_CAMERA2HEAP_H 19 20 #include <binder/MemoryBase.h> 21 #include <binder/MemoryHeapBase.h> 22 23 namespace android { 24 namespace camera2 { 25 26 // Utility class for managing a set of IMemory blocks 27 class Camera2Heap : public RefBase { 28 public: 29 Camera2Heap(size_t buf_size, uint_t num_buffers = 1, 30 const char *name = NULL) : mBufSize(buf_size)31 mBufSize(buf_size), 32 mNumBufs(num_buffers) { 33 mHeap = new MemoryHeapBase(buf_size * num_buffers, 0, name); 34 mBuffers = new sp<MemoryBase>[mNumBufs]; 35 for (uint_t i = 0; i < mNumBufs; i++) 36 mBuffers[i] = new MemoryBase(mHeap, 37 i * mBufSize, 38 mBufSize); 39 } 40 ~Camera2Heap()41 virtual ~Camera2Heap() 42 { 43 delete [] mBuffers; 44 } 45 46 size_t mBufSize; 47 uint_t mNumBufs; 48 sp<MemoryHeapBase> mHeap; 49 sp<MemoryBase> *mBuffers; 50 }; 51 52 }; // namespace camera2 53 }; // namespace android 54 55 #endif 56