1 /*
2  * Copyright (c) 2022-2024 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_DCAMERA_PIPELINE_SOURCE_H
17 #define OHOS_DCAMERA_PIPELINE_SOURCE_H
18 
19 #include <memory>
20 #include <vector>
21 #include "event_handler.h"
22 
23 #include "data_buffer.h"
24 #include "image_common_type.h"
25 #include "distributed_camera_errno.h"
26 #include "dcamera_pipeline_event.h"
27 #include "idata_process_pipeline.h"
28 #include "abstract_data_process.h"
29 #include "data_process_listener.h"
30 
31 namespace OHOS {
32 namespace DistributedHardware {
33 class DecodeDataProcess;
34 
35 class DCameraPipelineSource : public IDataProcessPipeline, public std::enable_shared_from_this<DCameraPipelineSource> {
36 public:
37     ~DCameraPipelineSource() override;
38 
39     int32_t CreateDataProcessPipeline(PipelineType piplineType, const VideoConfigParams& sourceConfig,
40         const VideoConfigParams& targetConfig, const std::shared_ptr<DataProcessListener>& listener) override;
41     int32_t ProcessData(std::vector<std::shared_ptr<DataBuffer>>& dataBuffers) override;
42     void DestroyDataProcessPipeline() override;
43 
44     void OnError(DataProcessErrorType errorType);
45     void OnProcessedVideoBuffer(const std::shared_ptr<DataBuffer>& videoResult);
46 
47     int32_t GetProperty(const std::string& propertyName, PropertyCarrier& propertyCarrier) override;
48 
49 private:
50     bool IsInRange(const VideoConfigParams& curConfig);
51     void InitDCameraPipEvent();
52     int32_t InitDCameraPipNodes(const VideoConfigParams& sourceConfig, const VideoConfigParams& targetConfig);
53     void StartEventHandler();
54 
55 private:
56     const static std::string PIPELINE_OWNER;
57     constexpr static int32_t MIN_FRAME_RATE = 0;
58     constexpr static int32_t MAX_FRAME_RATE = 30;
59     constexpr static int32_t MIN_VIDEO_WIDTH = 320;
60     constexpr static int32_t MIN_VIDEO_HEIGHT = 240;
61     constexpr static int32_t MAX_VIDEO_WIDTH = 1920;
62     constexpr static int32_t MAX_VIDEO_HEIGHT = 1080;
63 
64     std::shared_ptr<DataProcessListener> processListener_ = nullptr;
65     std::shared_ptr<AbstractDataProcess> pipelineHead_ = nullptr;
66 
67     bool isProcess_ = false;
68     PipelineType piplineType_ = PipelineType::VIDEO;
69     std::vector<std::shared_ptr<AbstractDataProcess>> pipNodeRanks_;
70 
71     std::mutex eventMutex_;
72     std::thread eventThread_;
73     std::condition_variable eventCon_;
74     std::shared_ptr<AppExecFwk::EventHandler> pipeEventHandler_ = nullptr;
75 };
76 } // namespace DistributedHardware
77 } // namespace OHOS
78 #endif // OHOS_DCAMERA_PIPELINE_SOURCE_H
79