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
23namespace android {
24namespace camera2 {
25
26// Utility class for managing a set of IMemory blocks
27class Camera2Heap : public RefBase {
28  public:
29    Camera2Heap(size_t buf_size, uint_t num_buffers = 1,
30            const char *name = NULL) :
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
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