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update readme and add windows header

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README.md
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Compiling C/C++ projects requires the use of third-party dependency libraries. After downloading the library, unzip it, and put it into the root directory (the same level as CMakeLists.txt) by copying or soft linking.[baidu drive](https://pan.baidu.com/s/1zfP2MSsG1jgxB_MjvpwZJQ) code: eu31 Compiling C/C++ projects requires the use of third-party dependency libraries. After downloading the library, unzip it, and put it into the root directory (the same level as CMakeLists.txt) by copying or soft linking.[baidu drive](https://pan.baidu.com/s/1zfP2MSsG1jgxB_MjvpwZJQ) code: eu31
### Windows Shared Library Compilation
Supported by UnknownObject.
The Visual Studio Solution file is provided in the ```build``` directory. Open it with Visual Studio 2022 and compile the project. The compiled library will be in the ```build/x64/Release``` directory. The SDK header that support windows platform is in the ```windows_sdk``` directory.
### Linux/Mac Shared Library Compilation ### Linux/Mac Shared Library Compilation
- Need to place or link dependencies in the project root (same level as CMakeLists.txt) - Need to place or link dependencies in the project root (same level as CMakeLists.txt)

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README_CH.md
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- Opencv 4.0 以上版本 - Opencv 4.0 以上版本
- MNN 2.0 以上版本 - MNN 2.0 以上版本
### Windows Shared Library Compilation
由UnknownObject提供相关支持.
Visual Studio解决方案文件位于```build```目录下。使用Visual Studio 2022打开并编译整个解决方案即可，编译完成后，在```build/x64/Release```目录下可以看到对应的dll和lib文件。适用于Windows的SDK头文件位于```windows_sdk```目录下。
### C/C++编译依赖库 ### C/C++编译依赖库
编译C/C++工程需要使用第三方依赖库，将库下载后解压，并将其通过拷贝或软链接放入根目录(与CMakeLists.txt同级)即可，依赖的库下载地址：[百度网盘](https://pan.baidu.com/s/1zfP2MSsG1jgxB_MjvpwZJQ) code: eu31 编译C/C++工程需要使用第三方依赖库，将库下载后解压，并将其通过拷贝或软链接放入根目录(与CMakeLists.txt同级)即可，依赖的库下载地址：[百度网盘](https://pan.baidu.com/s/1zfP2MSsG1jgxB_MjvpwZJQ) code: eu31

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windows_sdk/hyper_lpr_sdk.h
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//
// Created by tunm on 2023/1/25.
//
#ifndef ZEPHYRLPR_HYPER_LPR_SDK_H
#define ZEPHYRLPR_HYPER_LPR_SDK_H
#include <stdint.h>
#if defined(_WIN32)
#ifdef HYPER_BUILD_SHARED_LIB
#define HYPER_CAPI_EXPORT __declspec(dllexport)
#else
#define HYPER_CAPI_EXPORT __declspec(dllimport)
#endif
#else
#define HYPER_CAPI_EXPORT __attribute__((visibility("default")))
#endif // _WIN32
#ifdef __cplusplus
extern "C" {
#endif
/**
* API Result - API调用结果
* */
typedef int HREESULT;
typedef enum HResultCode{
Ok = 0,
Err = -1,
} HResultCode;
/**
* camera stream format - 支持的相机流格式
* Contains several common camera stream formats on the market -
* 包含了几款市面上常见的相机流格式
*/
typedef enum HLPR_ImageFormat {
STREAM_RGB = 0, ///< Image in RGB format - RGB排列格式的图像
STREAM_BGR = 1, ///< Image in BGR format (Opencv Mat default) - BGR排列格式的图像(OpenCV的Mat默认)
STREAM_RGBA = 2, ///< Image in RGB with alpha channel format - 带alpha通道的RGB排列格式的图像
STREAM_BGRA = 3, ///< Image in BGR with alpha channel format - 带alpha通道的BGR排列格式的图像
STREAM_YUV_NV12 = 4, ///< Image in YUV NV12 format - YUV NV12排列的图像格式
STREAM_YUV_NV21 = 5, ///< Image in YUV NV21 format - YUV NV21排列的图像格式
} HLPR_ImageFormat;
/**
* Camera picture corner mode - 相机画面转角模式
* To cope with the rotation of some devices, four image rotation modes are provided here -
* 为应对某些设备的画面自带旋转，这里提供四种图像旋转模式
*/
typedef enum HLPR_Rotation {
CAMERA_ROTATION_0 = 0, ///< 0 degree - 0
CAMERA_ROTATION_90 = 1, ///< 90 degree - 90
CAMERA_ROTATION_180 = 2, ///< 180 degree - 180
CAMERA_ROTATION_270 = 3, ///< 270 degree - 270
} HLPR_Rotation;
/**
* Image Buffer Data struct - 图像数据流结构
* */
typedef struct HLPR_ImageData {
uint8_t *data; ///< Image data stream - 图像数据流
int width; ///< Width of the image - 宽
int height; ///< Height of the image - 高
HLPR_ImageFormat format; ///< Format of the image - 传入需要解析数据流格式
HLPR_Rotation rotation; ///< The rotation Angle of the image - 图像的画面旋转角角度
} HLPR_ImageData, *P_HLPR_ImageData;
/**
* Plate layers - 车牌层数
* */
typedef enum HLPR_PlateLayers {
PLATE_LAYERS_MONO = 0, ///< 单层车牌
PLATE_LAYERS_DOUBLE, ///< 双层车牌
} HLPR_Layers;
/**
* Detector Level - 检测器等级
* */
typedef enum HLPR_DetectLevel {
DETECT_LEVEL_LOW = 0, ///< 高开销检测模式 (推荐)
DETECT_LEVEL_HIGH, ///< 低开销检测模式
} HLPR_DetectLevel;
/**
* PlateType Type - 车牌类型(中国)
* */
typedef enum HLPR_PlateType {
PLATE_TYPE_UNKNOWN = -1, ///< 未知车牌
PLATE_TYPE_BLUE = 0, ///< 蓝牌
PLATE_TYPE_YELLOW_SINGLE = 1, ///< 黄牌单层
PLATE_TYPE_WHILE_SINGLE = 2, ///< 白牌单层
PLATE_TYPE_GREEN = 3, ///< 绿牌新能源
PLATE_TYPE_BLACK_HK_MACAO = 4, ///< 黑牌港澳
PLATE_TYPE_HK_SINGLE = 5, ///< 香港单层
PLATE_TYPE_HK_DOUBLE = 6, ///< 香港双层
PLATE_TYPE_MACAO_SINGLE = 7, ///< 澳门单层
PLATE_TYPE_MACAO_DOUBLE = 8, ///< 澳门双层
PLATE_TYPE_YELLOW_DOUBLE = 9, ///< 黄牌双层
} HLPR_PlateType;
/**
* Plate Result - 车牌检测结果
* */
typedef struct HLPR_PlateResult {
float x1; ///< 左上角点x坐标
float y1; ///< 左上角点y坐标
float x2; ///< 右下角点x坐标
float y2; ///< 右下角点y坐标
HLPR_PlateType type; ///< 车牌类型
float text_confidence; ///< 置信度
char code[128]; ///< 车牌号码字符串
} HLPR_PlateResult, *P_HLPR_PlateResult;
/**
* Plate Result List - 车牌检测结果列表
* */
typedef struct HLPR_PlateResultList {
unsigned long plate_size; ///< 车牌数量
P_HLPR_PlateResult plates; ///< 检测车牌结果列表
} HLPR_PlateResultList, *P_HLPR_PlateResultList;
/**
* HyperLPR Context Instantiating parameters - Context的实例化参数对象
* */
typedef struct HLPR_ContextConfiguration {
char *models_path; ///< 模型文件地址
int max_num; ///< 识别最大数量
int threads; ///< 线程数 (推荐1)
bool use_half; ///< 是否使用半精度推理模式
float box_conf_threshold; ///< 检测框阈值
float nms_threshold; ///< 非极大值抑制阈值
float rec_confidence_threshold; ///< 识别置信度阈值
HLPR_DetectLevel det_level; ///< 检测器等级(推荐low)
} HLPR_ContextConfiguration, *P_HLPR_ContextConfiguration;
/**
* Data Buffer - 数据缓冲流
* */
typedef struct HLPR_DataBuffer HLPR_DataBuffer, *P_HLPR_DataBuffer;
/**
* The runtime object after HyperLPR is instantiated - 实例化运行时的Context对象
* */
typedef struct HLPR_Context HLPR_Context, *P_HLPR_Context;
/************************************************************************
* Carry parameters to create a data buffer stream instantiation object.
* 携带创建数据缓冲流实例化对象.
* [out] return: Model instant handle - 返回实例化后的指针句柄
************************************************************************/
HYPER_CAPI_EXPORT extern P_HLPR_DataBuffer HLPR_CreateDataBuffer(
P_HLPR_ImageData data // [in] Image Buffer Data struct - 图像数据流结构
);
/************************************************************************
* Create a data buffer stream instantiation object.
* 创建数据缓冲流实例化对象.
* [out] return: Model instant handle - 返回实例化后的指针句柄
************************************************************************/
HYPER_CAPI_EXPORT extern P_HLPR_DataBuffer HLPR_CreateDataBufferEmpty();
/************************************************************************
* Set the DataBuffer rotation mode.
* 设置DataBuffer旋转模式.
* [out] Result Code - 返回结果码
************************************************************************/
HYPER_CAPI_EXPORT extern HREESULT HLPR_DataBufferSetData(
P_HLPR_DataBuffer buffer, // [in] DataBuffer handle - 相机流组件的句柄指针
const uint8_t *data, // [in] Raw data stream - 原始的数据流
int width, // [in] Image width - 图像宽度
int height // [in] Image height - 图像高度
);
/************************************************************************
* Set the DataBuffer data format.
* 设置DataBuffer数据格式.
* [out] Result Code - 返回结果码
************************************************************************/
HYPER_CAPI_EXPORT extern HREESULT HLPR_DataBufferSetRotationMode(
P_HLPR_DataBuffer buffer, // [in] DataBuffer handle - 数据流组件的句柄指针
HLPR_Rotation mode // [in] DataBuffer mode - 数据流组件旋转模式
);
/************************************************************************
* Set the DataBuffer rotation mode.
* 设置DataBuffer旋转模式.
* [out] Result Code - 返回结果码
************************************************************************/
HYPER_CAPI_EXPORT extern HREESULT HLPR_DataBufferSetStreamFormat(
P_HLPR_DataBuffer buffer, // [in] DataBuffer handle - 数据流组件的句柄指针
HLPR_ImageFormat mode // [in] DataBuffer data format - 数据流组件数据格式
);
/************************************************************************
* Releases the DataBuffer object that has been instantiated.
* 释放已经被实例化后的模型对象.
* [out] Result Code - 返回结果码
************************************************************************/
HYPER_CAPI_EXPORT extern HREESULT HLPR_ReleaseDataBuffer(
P_HLPR_DataBuffer buffer // [in] DataBuffer handle - 相机流组件的句柄指针
);
/************************************************************************
* Create a data Context instantiation object.
* 创建Context实例化对象.
* [out] Result Code - 返回结果码
************************************************************************/
HYPER_CAPI_EXPORT extern P_HLPR_Context HLPR_CreateContext(
P_HLPR_ContextConfiguration configuration // [in] Context configuration - 配置表
);
/************************************************************************
* Query the Context instantiation state.
* 查询实例化后的状态.
* [out] Result Code - 返回结果码
************************************************************************/
HYPER_CAPI_EXPORT extern HREESULT HLPR_ContextQueryStatus(
P_HLPR_Context ctx // [in] Context handle - Context的指针句柄
);
/************************************************************************
* Update Data Buffer Stream.
* 喂入数据流并更新进行车牌识别.
* [out] Result Code - 返回结果码
************************************************************************/
HYPER_CAPI_EXPORT extern HREESULT HLPR_ContextUpdateStream(
P_HLPR_Context ctx, // [in] Context handle - Context的指针句柄
P_HLPR_DataBuffer buffer, // [in] DataBuffer handle - 数据流组件的句柄指针
P_HLPR_PlateResultList results // [out] Results List - 返回结果的列表
);
/************************************************************************
* Release Context.
* 释放Context的实例化对象.
* [out] Result Code - 返回结果码
************************************************************************/
HYPER_CAPI_EXPORT extern HREESULT HLPR_ReleaseContext(
P_HLPR_Context ctx // [in] Context handle - Context的指针句柄
);
//HYPER_CAPI_EXPORT extern HREESULT HLPR_DataBufferTest(P_HLPR_DataBuffer buffer, const char *save_path);
#ifdef __cplusplus
}
#endif
#endif //ZEPHYRLPR_HYPER_LPR_SDK_H
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