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 
16 #ifndef OHOS_CAMERA_H_STREAM_METADATA_H
17 #define OHOS_CAMERA_H_STREAM_METADATA_H
18 #define EXPORT_API __attribute__((visibility("default")))
19 
20 #include "camera_metadata_info.h"
21 #include "hstream_metadata_stub.h"
22 #include "hstream_common.h"
23 #include "v1_0/istream_operator.h"
24 
25 #include <refbase.h>
26 #include <iostream>
27 
28 namespace OHOS {
29 namespace CameraStandard {
30 class EXPORT_API HStreamMetadata : public HStreamMetadataStub, public HStreamCommon {
31 public:
32     HStreamMetadata(sptr<OHOS::IBufferProducer> producer, int32_t format, std::vector<int32_t> metadataTypes);
33     ~HStreamMetadata();
34 
35     int32_t LinkInput(sptr<OHOS::HDI::Camera::V1_0::IStreamOperator> streamOperator,
36         std::shared_ptr<OHOS::Camera::CameraMetadata> cameraAbility) override;
37     void SetStreamInfo(StreamInfo_V1_1& streamInfo) override;
38     int32_t ReleaseStream(bool isDelay) override;
39     int32_t Release() override;
40     int32_t Start() override;
41     int32_t Stop() override;
42     int32_t SetCallback(sptr<IStreamMetadataCallback>& callback) override;
43     int32_t EnableMetadataType(std::vector<int32_t> metadataTypes) override;
44     int32_t DisableMetadataType(std::vector<int32_t> metadataTypes) override;
45     void DumpStreamInfo(CameraInfoDumper& infoDumper) override;
46     int32_t OperatePermissionCheck(uint32_t interfaceCode) override;
47     int32_t OnMetaResult(int32_t streamId, const std::vector<uint8_t>& result);
48 
49 private:
50     int32_t EnableOrDisableMetadataType(const std::vector<int32_t>& metadataTypes, const bool enable);
51     void removeMetadataType(std::vector<int32_t>& vec1, std::vector<int32_t>& vec2);
52     std::vector<int32_t> metadataObjectTypes_;
53     std::mutex metadataTypeMutex_;
54     std::atomic<bool> isStarted_ { false };
55     sptr<IStreamMetadataCallback> streamMetadataCallback_;
56     std::mutex callbackLock_;
57     uint32_t majorVer_ = 0;
58     uint32_t minorVer_ = 0;
59 };
60 } // namespace CameraStandard
61 } // namespace OHOS
62 #endif // OHOS_CAMERA_H_STREAM_METADATA_H
63