162 lines
4.5 KiB
C++
162 lines
4.5 KiB
C++
#ifndef HIKDEVICE_H
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#define HIKDEVICE_H
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// 先包含标准库头文件
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#include <mutex>
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#include <atomic>
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#include <vector>
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#include <functional>
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#include <string>
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#include <map>
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// 禁用Windows的min/max宏
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#ifdef _WIN32
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#ifndef NOMINMAX
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#define NOMINMAX
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#endif
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#endif
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#include "IHikDevice.h"
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// 海康SDK头文件
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#ifdef _WIN32
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#include "HCNetSDK.h"
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#include "plaympeg4.h"
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#else
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#include "HCNetSDK.h"
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#include "LinuxPlayM4.h"
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#endif
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/**
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* @brief 海康相机设备实现类
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*
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* 封装海康威视HCNetSDK和PlayM4解码库
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*/
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class CHikDevice : public IHikDevice
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{
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public:
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CHikDevice();
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~CHikDevice() override;
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// ============ IHikDevice 接口实现 ============
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int InitSDK() override;
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void CleanupSDK() override;
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int Login(const HikDeviceConfig& config) override;
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void Logout() override;
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bool IsLoggedIn() const override;
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int StartPreview() override;
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int StartPreviewEx(void* hWnd) override;
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void StopPreview() override;
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bool IsPreviewing() const override;
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EHikDeviceStatus GetStatus() const override;
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void SetDecodedFrameCallback(HikDecodedFrameCallback callback, void* pUser) override;
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void SetStatusCallback(HikDeviceStatusCallback callback, void* pUser) override;
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void SetExceptionCallback(HikExceptionCallback callback, void* pUser) override;
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int GetCurrentFrame(unsigned char* pBuffer, int bufferSize, HikFrameInfo& frameInfo) override;
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const HikDeviceConfig& GetConfig() const override;
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int CaptureToFile(const std::string& filePath, bool isJpeg = true) override;
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int PTZControl(int command, bool stop, int speed = 4) override;
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int ConfigureOSD(bool showChanName, bool showOsd) override;
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private:
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// ============ 内部回调函数 ============
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/**
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* @brief 海康实时数据回调(静态)
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*/
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static void CALLBACK HikRealDataCallback(LONG lRealHandle, DWORD dwDataType,
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BYTE* pBuffer, DWORD dwBufSize, void* pUser);
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/**
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* @brief PlayM4 解码回调(静态)
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* 注意：Windows和Linux/ARM的回调签名不同
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*/
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#ifdef _WIN32
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static void CALLBACK PlayM4DecodeCallback(long nPort, char* pBuf, long nSize,
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FRAME_INFO* pFrameInfo, long nUser, long nReserved2);
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#else
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static void CALLBACK PlayM4DecodeCallback(int nPort, char* pBuf, int nSize,
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FRAME_INFO* pFrameInfo, void* nUser, int nReserved2);
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#endif
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/**
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* @brief 海康异常回调(静态)
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*/
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static void CALLBACK HikSDKExceptionCallback(DWORD dwType, LONG lUserID, LONG lHandle, void* pUser);
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// ============ 内部方法 ============
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/**
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* @brief 处理解码后的视频帧
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*/
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void ProcessDecodedFrame(char* pBuf, long nSize, FRAME_INFO* pFrameInfo);
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/**
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* @brief 处理异常
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*/
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void HandleException(DWORD dwType);
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/**
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* @brief 更新设备状态
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*/
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void UpdateStatus(EHikDeviceStatus status);
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/**
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* @brief YV12转RGB32
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*/
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void ConvertYV12ToRGB32(const unsigned char* yPlane, const unsigned char* uPlane,
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const unsigned char* vPlane, unsigned char* rgbData,
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int width, int height);
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private:
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// SDK 初始化状态
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std::atomic<bool> m_bSDKInitialized{false};
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// 登录相关
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LONG m_lUserID = -1;
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HikDeviceConfig m_config;
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// 预览相关
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LONG m_lRealPlayHandle = -1;
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std::atomic<bool> m_bPreviewing{false};
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// PlayM4 解码相关
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LONG m_lPlayM4Port = -1;
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std::atomic<bool> m_bPlayM4Playing{false};
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// 设备状态
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std::atomic<EHikDeviceStatus> m_status{EHikDeviceStatus::Disconnected};
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// 当前帧数据
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mutable std::mutex m_frameMutex;
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std::vector<unsigned char> m_currentFrameData;
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HikFrameInfo m_currentFrameInfo;
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// 回调函数
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HikDecodedFrameCallback m_frameCallback = nullptr;
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void* m_pFrameCallbackUser = nullptr;
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HikDeviceStatusCallback m_statusCallback = nullptr;
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void* m_pStatusCallbackUser = nullptr;
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HikExceptionCallback m_exceptionCallback = nullptr;
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void* m_pExceptionCallbackUser = nullptr;
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// 错误码
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mutable int m_lastError = 0;
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// 静态成员：端口到实例的映射（解决64位系统回调指针截断问题）
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static std::map<long, CHikDevice*> s_portDeviceMap;
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static std::mutex s_mapMutex;
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};
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#endif // HIKDEVICE_H
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