package com.netsdk.demo.customize.analyseTaskDemo;
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import com.netsdk.lib.NetSDKLib;
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import com.netsdk.lib.ToolKits;
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import com.sun.jna.Pointer;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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/**
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* @author ： 47040
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* @since ： Created in 2020/7/18 10:51
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*/
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public class DefaultAnalyseTaskResultCallBack implements NetSDKLib.fAnalyseTaskResultCallBack {
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private static DefaultAnalyseTaskResultCallBack singleInstance;
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public static DefaultAnalyseTaskResultCallBack getSingleInstance() {
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if (singleInstance == null) {
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singleInstance = new DefaultAnalyseTaskResultCallBack();
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}
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return singleInstance;
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}
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@Override
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public int invoke(NetSDKLib.LLong lAttachHandle, Pointer pstAnalyseTaskResult, Pointer pBuf, int dwBufSize, Pointer dwUser) {
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NetSDKLib.NET_CB_ANALYSE_TASK_RESULT_INFO task = new NetSDKLib.NET_CB_ANALYSE_TASK_RESULT_INFO();
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ToolKits.GetPointerData(pstAnalyseTaskResult, task); // 从指针获取智能事件分析信息
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for (int i = 0; i < task.nTaskResultNum; i++) {
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System.out.println(task.stuTaskResultInfos[i].nTaskID); // nTaskID 和主动推送时的一一对应
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for (int j = 0; j < task.stuTaskResultInfos[i].nEventCount; j++) { // 实际的事件个数
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NetSDKLib.NET_SECONDARY_ANALYSE_EVENT_INFO info = task.stuTaskResultInfos[i].stuEventInfos[j];
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System.out.println("type:" + info.emEventType); // 事件类型 对应 EM_ANALYSE_EVENT_TYPE
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switch (info.emEventType) { // 这里只介绍特征提取
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case NetSDKLib.EM_ANALYSE_EVENT_TYPE.EM_ANALYSE_EVENT_FEATURE_ABSTRACT: {
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NetSDKLib.DEV_EVENT_FEATURE_ABSTRACT_INFO stInfo = new NetSDKLib.DEV_EVENT_FEATURE_ABSTRACT_INFO();
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ToolKits.GetPointerDataToStruct(info.pstEventInfo, 0, stInfo);
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System.out.println("nChannelID:" + stInfo.nChannelID); // 通道号
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System.out.println("nAction:" + stInfo.nAction); // 0:脉冲 1:开始 2:停止
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System.out.println("emClassType:" + stInfo.emClassType); // 智能事件所属大类 参考 EM_CLASS_TYPE
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for (int k = 0; k < stInfo.nFeatureNum; k++) {
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// 错误码、特征版本号
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System.out.println("FeatureVectorList[" + k + "].FeatureErrCode:" + stInfo.stuFeatureVectorList[k].emFeatureErrCode); // 错误码
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System.out.println("FeatureVectorList[" + k + "].szFeatureVersion:" + new String(stInfo.stuFeatureVectorList[k].szFeatureVersion).trim()); // 特征版本版本号
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// 这里的特征是设备用于比对的二进制数据，不是图片，具体内容请咨询设备研发
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System.out.println("FeatureVectorList[" + k + "].stuFeatureVector.dwOffset:" + stInfo.stuFeatureVectorList[k].stuFeatureVector.dwOffset); // 人脸小图特征值在二进制数据块中的偏移
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System.out.println("FeatureVectorList[" + k + "].stuFeatureVector.dwLength:" + stInfo.stuFeatureVectorList[k].stuFeatureVector.dwLength); // 人脸小图特征值长度，单位:字节
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int dwOffset = stInfo.stuFeatureVectorList[k].stuFeatureVector.dwOffset;
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int dwLength = stInfo.stuFeatureVectorList[k].stuFeatureVector.dwLength;
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// 这里的特征是设备用于比对的二进制数据，不是图片，具体内容请咨询设备研发
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System.out.println("FeatureVectorList[" + k + "].stuFeatureVector.dwOffset:" + dwOffset); // 人脸小图特征值在二进制数据块中的偏移
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System.out.println("FeatureVectorList[" + k + "].stuFeatureVector.dwLength:" + dwLength); // 人脸小图特征值长度，单位:字节
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byte[] byteArray
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= pBuf.getByteArray(dwOffset, dwLength);
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fileOut(byteArray);
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// 人脸抓拍角度、质量数据
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System.out.println("FeatureVectorList[" + k + "].stuFaceAttribute.nAngle1:" + stInfo.stuFeatureVectorList[k].stuFaceAttribute.nAngle[0]); // 人脸抓拍角度,三个角度分别是：仰俯角,偏航角,翻滚角；默认值[999,999,999]表示无此数据
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System.out.println("FeatureVectorList[" + k + "].stuFaceAttribute.nAngle2:" + stInfo.stuFeatureVectorList[k].stuFaceAttribute.nAngle[1]); // 偏航角
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System.out.println("FeatureVectorList[" + k + "].stuFaceAttribute.nAngle3:" + stInfo.stuFeatureVectorList[k].stuFaceAttribute.nAngle[2]); // 翻滚角
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System.out.println("FeatureVectorList[" + k + "].stuFeatureVector.nFaceAlignScore:" + stInfo.stuFeatureVectorList[k].stuFaceAttribute.nFaceAlignScore); // 人脸对齐得分分数,取值范围 0~10000，-1为无效值
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System.out.println("FeatureVectorList[" + k + "].stuFeatureVector.nFaceQuality:" + stInfo.stuFeatureVectorList[k].stuFaceAttribute.nFaceQuality); // 人脸抓拍质量分数,取值范围 0~10000
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}
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break;
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}
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default: {
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System.out.println("default");
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break;
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}
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}
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}
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System.out.println(new String(task.stuTaskResultInfos[i].szFileID).trim());
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}
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return 0;
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}
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public void fileOut( byte[] byteArray){
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File file = new File("\\"+System.currentTimeMillis()+".txt");
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FileOutputStream out=null;
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try {
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out = new FileOutputStream(file,false);
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String bts="";
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/* for (byte bt:byteArray){
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bts+=bt;
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}*/
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int length = byteArray.length;
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System.out.println("length:"+length);
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int i1 = length % 4;
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int i2 = length / 4;
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if(i1!=0){
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i2++;
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}
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for(int i=0;i<i2;i++){
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byte[] bytes
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= subByte(byteArray, i * 4, 4);
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float aFloat = getFloat(bytes);
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bts+=aFloat;
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}
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out.write(bts.getBytes());
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out.flush();
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} catch (IOException e) {
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e.printStackTrace();
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}finally {
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try {
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if(out!=null){
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out.close();
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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/**
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* 截取byte数组 不改变原数组
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* @param b 原数组
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* @param off 偏差值（索引）
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* @param length 长度
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* @return 截取后的数组
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*/
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public byte[] subByte(byte[] b,int off,int length) {
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byte[] b1 = new byte[length];
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System.arraycopy(b, off, b1, 0, length);
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return b1;
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}
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public static float getFloat(byte[] bytes)
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{
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return Float.intBitsToFloat(getInt(bytes));
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}
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public static int getInt(byte[] bytes)
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{
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return (0xff & bytes[0]) | (0xff00 & (bytes[1] << 8)) | (0xff0000 & (bytes[2] << 16)) | (0xff000000 & (bytes[3] << 24));
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}
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}
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