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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 CAMERA_DEVICE_CAMERA_DEVICE_IMPL_H
17 #define CAMERA_DEVICE_CAMERA_DEVICE_IMPL_H
18 
19 #include "v1_0/icamera_device.h"
20 #include "v1_0/icamera_device_callback.h"
21 #include "camera.h"
22 #include "camera_metadata_info.h"
23 #include "stream_operator.h"
24 #include <mutex>
25 
26 namespace OHOS::Camera {
27 using namespace OHOS::HDI::Camera::V1_0;
28 class IPipelineCore;
29 class CameraDeviceImpl : public ICameraDevice, public std::enable_shared_from_this<CameraDeviceImpl> {
30 public:
31     CameraDeviceImpl(const std::string &cameraId,
32         const std::shared_ptr<IPipelineCore> &pipelineCore);
33     CameraDeviceImpl() = default;
34     virtual ~CameraDeviceImpl() = default;
35     CameraDeviceImpl(const CameraDeviceImpl& other) = delete;
36     CameraDeviceImpl(CameraDeviceImpl &&other) = delete;
37     CameraDeviceImpl& operator=(const CameraDeviceImpl &other) = delete;
38     CameraDeviceImpl& operator=(CameraDeviceImpl &&other) = delete;
39 
40 public:
41     int32_t GetStreamOperator(const sptr<IStreamOperatorCallback>& callbackObj,
42         sptr<IStreamOperator>& streamOperator) override;
43     int32_t UpdateSettings(const std::vector<uint8_t>& settings) override;
44     int32_t SetResultMode(ResultCallbackMode mode) override;
45     int32_t GetEnabledResults(std::vector<int32_t>& results) override;
46     int32_t EnableResult(const std::vector<int32_t>& results) override;
47     int32_t DisableResult(const std::vector<int32_t>& results) override;
48     int32_t Close() override;
49 
50     static std::shared_ptr<CameraDeviceImpl> CreateCameraDevice(const std::string &cameraId);
51     std::shared_ptr<IPipelineCore> GetPipelineCore() const;
52     CamRetCode SetCallback(const OHOS::sptr<ICameraDeviceCallback> &callback);
53     ResultCallbackMode GetMetaResultMode() const;
54     /* RC_OK: metadata changed;RC_ERROR: metadata unchanged; */
55     RetCode GetMetadataResults(std::shared_ptr<CameraMetadata> &metadata);
56     void ResultMetadata();
57     void GetCameraId(std::string &cameraId) const;
58     void SetStatus(bool isOpened);
59     void OnRequestTimeout();
60     void OnMetadataChanged(const std::shared_ptr<CameraMetadata> &metadata);
61     void OnDevStatusErr();
62     bool IsOpened() const;
63 private:
64     RetCode GetEnabledFromCfg();
65     bool CompareTagData(const camera_metadata_item_t &baseEntry,
66         const camera_metadata_item_t &newEntry);
67     RetCode UpdataMetadataResultsBase();
68     uint64_t GetCurrentLocalTimeStamp();
69 
70 private:
71     bool isOpened_;
72     std::string cameraId_;
73     std::shared_ptr<IPipelineCore> pipelineCore_;
74     OHOS::sptr<ICameraDeviceCallback> cameraDeciceCallback_;
75     OHOS::sptr<IStreamOperatorCallback> spCameraDeciceCallback_;
76     OHOS::sptr<StreamOperator> spStreamOperator_;
77     ResultCallbackMode metaResultMode_;
78     std::vector<MetaType> deviceMetaTypes_;
79     std::mutex enabledRstMutex_;
80     std::vector<MetaType> enabledResults_;
81     std::shared_ptr<CameraMetadata> metadataResultsBase_;
82     std::mutex metaRstMutex_;
83     std::shared_ptr<CameraMetadata> metadataResults_;
84 
85     // to keep OHOS::sptr<IStreamOperator> alive
86     OHOS::sptr<IStreamOperator> ismOperator_ = nullptr;
87 };
88 } // end namespace OHOS::Camera
89 #endif // CAMERA_DEVICE_CAMERA_DEVICE_IMPL_H
90