1 /*
2  * Copyright (C) 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 AVCODEC_DATA_SINK_FD_H
17 #define AVCODEC_DATA_SINK_FD_H
18 
19 #include "plugin/data_sink.h"
20 
21 namespace OHOS {
22 namespace Media {
23 class DataSinkFd : public Plugins::DataSink {
24 public:
25     explicit DataSinkFd(int32_t fd);
26     DataSinkFd(const DataSinkFd &other) = delete;
27     DataSinkFd& operator=(const DataSinkFd&) = delete;
28     virtual ~DataSinkFd();
29 
30     int32_t Read(uint8_t *buf, int32_t bufSize) override;
31     int32_t Write(const uint8_t *buf, int32_t bufSize) override;
32     int64_t Seek(int64_t offset, int whence) override;
33     int64_t GetCurrentPosition() const override;
34     bool CanRead() override;
35 
36 private:
37     int32_t fd_;
38     int64_t pos_;
39     int64_t end_;
40     bool isCanRead_;
41 };
42 } // namespace Media
43 } // namespace OHOS
44 #endif // AVCODEC_DATA_SINK_FD_H