1 /*
2  * Copyright (C) 2022 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 #ifndef FRAMEWORKS_SERVICES_MEDIA_MTP_INCLUDE_PAYLOAD_DATA_H_
16 #define FRAMEWORKS_SERVICES_MEDIA_MTP_INCLUDE_PAYLOAD_DATA_H_
17 #include <memory>
18 #include <stdint.h>
19 #include <vector>
20 #include "mtp_operation_context.h"
21 namespace OHOS {
22 namespace Media {
23 class PayloadData {
24 public:
25     explicit PayloadData(std::shared_ptr<MtpOperationContext> &context);
26     explicit PayloadData();
27     virtual ~PayloadData();
28 
29     virtual int Parser(const std::vector<uint8_t> &buffer, int32_t readSize) = 0;
30     virtual int Maker(std::vector<uint8_t> &outBuffer) = 0;
31 
32     virtual uint32_t CalculateSize() = 0;
33 
34 protected:
35     std::shared_ptr<MtpOperationContext> context_;
36 };
37 } // namespace Media
38 } // namespace OHOS
39 #endif  // FRAMEWORKS_SERVICES_MEDIA_MTP_INCLUDE_PAYLOAD_DATA_H_
40