package com.netsdk.demo.module;
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import com.netsdk.lib.NetSDKLib;
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import com.netsdk.lib.ToolKits;
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import com.netsdk.lib.NetSDKLib.*;
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import com.sun.jna.Memory;
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import com.sun.jna.ptr.IntByReference;
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/**
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* 以图搜图接口实现，跟查询人脸库里的人员信息的查找接口是一样的，入参和实现有区别
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* 目前只支持IVSS
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*/
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public class SearchByPictureModule {
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// 查询密令
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public static int nToken = 0;
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private static LLong m_FindHandle = null;
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// 订阅句柄
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private static LLong attachFaceHandle = new LLong(0);
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/**
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* 按条件查询目标识别结果
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* @param memory 图片缓存
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* @param startTime 起始时间, 历史库需要时间，人脸库不需要时间
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* @param endTime 结束时间, 历史库需要时间，人脸库不需要时间
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* @param isHistory 是否是历史库， true-历史库； false-人脸库
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* @param nChn 通道号， 历史库需要通道号，人脸库不需要通道号
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* @param similary 相似度
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* @return 查询到的所有人员个数
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*/
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public static int startFindPerson(Memory memory,
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String startTime,
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String endTime,
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boolean isHistory,
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int nChn,
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String similary) {
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m_FindHandle = null;
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nToken = 0;
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int nTotalCount = 0;
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/*
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* 入参, IVVS设备，查询条件只有 stuInStartFind.stPerson 里的参数有效
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*/
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NET_IN_STARTFIND_FACERECONGNITION stuIn = new NET_IN_STARTFIND_FACERECONGNITION();
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// 人员信息查询条件是否有效, 并使用扩展结构体
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stuIn.bPersonExEnable = 1;
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// 图片信息
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if(memory != null) {
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stuIn.pBuffer = memory;
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stuIn.nBufferLen = (int)memory.size();
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stuIn.stPersonInfoEx.wFacePicNum = 1;
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stuIn.stPersonInfoEx.szFacePicInfo[0].dwOffSet = 0;
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stuIn.stPersonInfoEx.szFacePicInfo[0].dwFileLenth = (int)memory.size();
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}
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// 相似度
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if(!similary.isEmpty()) {
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stuIn.stMatchOptions.nSimilarity = Integer.parseInt(similary);
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}
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stuIn.stFilterInfo.nGroupIdNum = 0;
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stuIn.stFilterInfo.nRangeNum = 1;
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if(isHistory) { // 历史库
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// 通道号
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stuIn.nChannelID = nChn;
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stuIn.stFilterInfo.szRange[0] = EM_FACE_DB_TYPE.NET_FACE_DB_TYPE_HISTORY; // 待查询数据库类型，设备只支持一个
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// 开始时间
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String[] startTimeStr = startTime.split("-");
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stuIn.stFilterInfo.stStartTime.dwYear = Integer.parseInt(startTimeStr[0]);
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stuIn.stFilterInfo.stStartTime.dwMonth = Integer.parseInt(startTimeStr[1]);
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stuIn.stFilterInfo.stStartTime.dwDay = Integer.parseInt(startTimeStr[2]);
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stuIn.stFilterInfo.stStartTime.dwHour= 0;
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stuIn.stFilterInfo.stStartTime.dwMinute= 0;
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stuIn.stFilterInfo.stStartTime.dwSecond= 0;
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// 结束时间
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String[] endTimeStr = endTime.split("-");
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stuIn.stFilterInfo.stEndTime.dwYear = Integer.parseInt(endTimeStr[0]);
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stuIn.stFilterInfo.stEndTime.dwMonth = Integer.parseInt(endTimeStr[1]);
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stuIn.stFilterInfo.stEndTime.dwDay = Integer.parseInt(endTimeStr[2]);
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stuIn.stFilterInfo.stEndTime.dwHour=23;
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stuIn.stFilterInfo.stEndTime.dwMinute=59;
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stuIn.stFilterInfo.stEndTime.dwSecond=59;
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stuIn.stFilterInfo.emFaceType = EM_FACERECOGNITION_FACE_TYPE.EM_FACERECOGNITION_FACE_TYPE_ALL;
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} else { // 人脸库
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stuIn.stFilterInfo.szRange[0] = EM_FACE_DB_TYPE.NET_FACE_DB_TYPE_BLACKLIST; // 待查询数据库类型，设备只支持一个
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}
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/*
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* 出参
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*/
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NET_OUT_STARTFIND_FACERECONGNITION stuOut = new NET_OUT_STARTFIND_FACERECONGNITION();
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stuIn.write();
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stuOut.write();
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if(LoginModule.netsdk.CLIENT_StartFindFaceRecognition(LoginModule.m_hLoginHandle, stuIn, stuOut, 4000)) {
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m_FindHandle = stuOut.lFindHandle;
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nTotalCount = stuOut.nTotalCount;
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nToken = stuOut.nToken;
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} else {
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System.out.println("CLIENT_StartFindFaceRecognition Failed, Error:" + ToolKits.getErrorCodePrint());
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}
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return nTotalCount;
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}
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/**
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* 查找目标识别结果
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* @param beginNum 查询起始序号
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* @param nCount 当前想查询的记录条数
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* @return 返回的人员信息数组
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*/
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public static CANDIDATE_INFOEX[] doFindNextPerson(int beginNum, int nCount) {
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/*
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*入参
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*/
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NetSDKLib.NET_IN_DOFIND_FACERECONGNITION stuIn = new NetSDKLib.NET_IN_DOFIND_FACERECONGNITION();
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stuIn.lFindHandle = m_FindHandle;
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stuIn.nCount = nCount; // 当前想查询的记录条数
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stuIn.nBeginNum = beginNum; // 查询起始序号
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/*
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* 出参
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*/
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NetSDKLib.NET_OUT_DOFIND_FACERECONGNITION stuOut = new NetSDKLib.NET_OUT_DOFIND_FACERECONGNITION();;
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stuOut.bUseCandidatesEx = 1; // 是否使用候选对象扩展结构体
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// 必须申请内存，每次查询几个，必须至少申请几个，最大申请20个
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for(int i = 0; i < nCount; i++) {
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stuOut.stuCandidatesEx[i].stPersonInfo.szFacePicInfo[0].nFilePathLen = 256;
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stuOut.stuCandidatesEx[i].stPersonInfo.szFacePicInfo[0].pszFilePath = new Memory(256);
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}
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stuIn.write();
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stuOut.write();
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if(LoginModule.netsdk.CLIENT_DoFindFaceRecognition(stuIn, stuOut, 4000)) {
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stuIn.read();
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stuOut.read();
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if(stuOut.nCadidateExNum == 0) {
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return null;
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}
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// 获取到的信息
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CANDIDATE_INFOEX[] stuCandidatesEx = new CANDIDATE_INFOEX[stuOut.nCadidateExNum];
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for(int i = 0; i < stuOut.nCadidateExNum; i++) {
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stuCandidatesEx[i] = new CANDIDATE_INFOEX();
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stuCandidatesEx[i] = stuOut.stuCandidatesEx[i];
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}
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return stuCandidatesEx;
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} else {
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System.out.println("CLIENT_DoFindFaceRecognition Failed, Error:" + ToolKits.getErrorCodePrint());
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}
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return null;
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}
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/**
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* 结束查询
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*/
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public static boolean doFindClosePerson() {
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boolean bRet = false;
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if(m_FindHandle.longValue() != 0) {
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bRet = LoginModule.netsdk.CLIENT_StopFindFaceRecognition(m_FindHandle);
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}
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return bRet;
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}
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/**
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* 订阅人脸查询状态
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* @param faceFindStateCb 人脸状态回调函数
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* @return
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*/
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public static boolean attachFaceFindState(fFaceFindState faceFindStateCb) {
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/*
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* 入参
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*/
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NET_IN_FACE_FIND_STATE stuIn = new NET_IN_FACE_FIND_STATE();
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stuIn.nTokenNum = 1;
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stuIn.nTokens = new IntByReference(nToken); // 查询令牌
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stuIn.cbFaceFindState = faceFindStateCb;
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/*
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* 出参
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*/
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NET_OUT_FACE_FIND_STATE stuOut = new NET_OUT_FACE_FIND_STATE();
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stuIn.write();
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attachFaceHandle = LoginModule.netsdk.CLIENT_AttachFaceFindState(LoginModule.m_hLoginHandle, stuIn, stuOut, 4000);
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stuIn.read();
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if(attachFaceHandle.longValue() != 0) {
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System.out.println("AttachFaceFindState Succeed!");
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return true;
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}
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return false;
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}
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/**
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* 关闭订阅
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*/
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public static void detachFaceFindState() {
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if(attachFaceHandle.longValue() != 0) {
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LoginModule.netsdk.CLIENT_DetachFaceFindState(attachFaceHandle);
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attachFaceHandle.setValue(0);
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}
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}
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}
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