1/*
2 * Copyright (c) 2021-2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#ifndef OHOS_DATA_BUFFER_H
17#define OHOS_DATA_BUFFER_H
18
19#include <map>
20#include <string>
21#include <cstddef>
22#include <cstdint>
23#include "ifeedable_data.h"
24#include "dcamera_frame_info.h"
25
26namespace OHOS {
27namespace DistributedHardware {
28class DataBuffer : public IFeedableData {
29public:
30    explicit DataBuffer(size_t capacity);
31
32    size_t Size() const;
33    size_t Offset() const;
34    size_t Capacity() const;
35    uint8_t *Data() const;
36    int32_t SetRange(size_t offset, size_t size);
37
38    void SetInt32(const std::string name, int32_t value);
39    void SetInt64(const std::string name, int64_t value);
40    void SetString(const std::string name, std::string value);
41    bool FindInt32(const std::string& name, int32_t& value);
42    bool FindInt64(const std::string& name, int64_t& value);
43    bool FindString(const std::string& name, std::string& value);
44    int64_t GetTimeStamp() override;
45    virtual ~DataBuffer();
46    DCameraFrameInfo frameInfo_;
47
48private:
49    size_t capacity_ = 0;
50    size_t rangeOffset_ = 0;
51    size_t rangeLength_ = 0;
52    uint8_t *data_ = nullptr;
53
54    std::map<std::string, int32_t> int32Map_;
55    std::map<std::string, int64_t> int64Map_;
56    std::map<std::string, std::string> stringMap_;
57
58    DataBuffer(const DataBuffer &) = delete;
59    DataBuffer &operator = (const DataBuffer &) = delete;
60};
61} // namespace DistributedHardware
62} // namespace OHOS
63#endif // OHOS_DATA_BUFFER_H
64