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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
- #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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