1 /*
2  * Copyright (C) 2021 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 HEIF_FORMAT_AGENT_H
17 #define HEIF_FORMAT_AGENT_H
18 
19 #include <cstddef>
20 #include <cstdint>
21 #include "abs_image_format_agent.h"
22 #include "iosfwd"
23 #include "plugin_class_base.h"
24 
25 namespace OHOS {
26 namespace ImagePlugin {
27 class HeifFormatAgent : public AbsImageFormatAgent, public OHOS::MultimediaPlugin::PluginClassBase {
28 public:
29     std::string GetFormatType() override;
30     uint32_t GetHeaderSize() override;
31     bool CheckFormat(const void *headerData, uint32_t dataSize) override;
32 
33 private:
34     uint32_t Fourcc(uint8_t c1, uint8_t c2, uint8_t c3, uint8_t c4);
35     uint32_t EndianSwap32(uint32_t value);
36     uint64_t EndianSwap64(uint64_t value);
37     bool IsHeif64(const void *buffer, const size_t bytesRead, int64_t &offset, uint64_t &chunkSize);
38 };
39 } // namespace ImagePlugin
40 } // namespace OHOS
41 
42 #endif // HEIF_FORMAT_AGENT_H
43