一:前言 最近进行项目开发时遇到了需要前端直接调用摄像头,并直接进行播放的需求。原本计划通过海康威视官网的《WEB无插件开发包 V3.2》直接进行控制、交互,实现摄像头直接登录以及取流预览。但是前端人员现场驻场开发后反映各种
最近进行项目开发时遇到了需要前端直接调用摄像头,并直接进行播放的需求。原本计划通过海康威视官网的《WEB无插件开发包 V3.2》直接进行控制、交互,实现摄像头直接登录以及取流预览。但是前端人员现场驻场开发后反映各种兼容性问题频发,反正就是不能友好的进行预览播放。鉴于此我直接查询了官网上相关的sdk,然后选用了《设备网络SDK_Win64 V6.1.9.4_build20220412》进行开发java版本的转码工具。整体思路是在PS流中解析出H264的裸流然后通过websocket传给前端,前端基于wfs.js进行h264的裸流播放。
下载开发SDK开发包,并先查看和熟悉sdk使用方法!并先查看和熟悉sdk使用方法!并先查看和熟悉sdk使用方法!(拜托不要一来就问源码呀,这就是我写的所有的代码了呀,甚至前端我都给你贴出来了,前端引入js、引入Jquery-3.0.0.js不需要教吧。麻烦先在官网下载下来把项目运行起来啊,现在的做个开发的都这么浮夸的吗?)
下载wfs.js插件:GitHub - MarkRepo/wfs.js: use html5 video tag with MSE for raw h264 live streaming.
逻辑流转图:
由于博主太懒了,这里没有图。
①:java加载SDK包(dll)实现sdk加载和调用
②:调用sdk的NET_DVR_Login_V40(m_strLoginInfo, m_strDeviceInfo)接口实现登录。
③:调用sdk的NET_DVR_RealPlay_V40(userID, strClientInfo, fRealDataCallBack , null)接口实现预览取流。
④:在我们自定义的fRealDataCallBack回调函数中对取流数据进行解码,就是将数据进行截取以及转码操作,并将数据包进行存贮。
⑤:创建WEBSocket类监听前端连接,区分摄像头后通过websocket进行实时推流。socket地址为'/wstest/{lUserID}' 其中lUserID是登录并预览成功后返回的lUserID!
主要代码展示:
package com.xunshi.hikangvision.Controller;import com.xunshi.hikangvision.untils.PreverViewUntil;import com.xunshi.hikangvision.vo.LoginVo;import com.xunshi.hikangvision.vo.result.R;import org.springframework.web.bind.annotation.*;import java.util.List;@RestController@RequestMapping("/playvision")public class HKController {// @Resource PreverViewUntil preverViewUntil; @PostMapping("/loginAndPlayView") public R loginAndPlayView(@RequestBody LoginVo loginVo) { return R.buildOkData(PreverViewUntil.loginAndPlayView(loginVo)); } //@apiParam("loginAndPlayView接口中返回的lUserID") //@ApiParam("loginAndPlayView接口中返回的lPlayID") @GetMapping("/loGoutPlayView") public R logoutPlayView( @RequestParam (value = "lUserID",required = true) String lUserID, @RequestParam (value = "lPlayID",required = false) String lPlayID) { if(null!=lPlayID) { PreverViewUntil.logoutPlayView(lUserID,lPlayID); } else { PreverViewUntil.logoutPlayView(lUserID); } return R.buildOk(); } @PostMapping("/login") public R> login(@RequestBody List loginVos) { return R.buildOkData(PreverViewUntil.login(loginVos)); } @PostMapping("/playView") public R playView(@RequestBody LoginVo loginVo) { return R.buildOkData(PreverViewUntil.playView(loginVo)); } @PostMapping("/logoutPlayViewOnly") public R logoutPlayViewOnly(@RequestBody LoginVo loginVo) { return R.buildOkData(PreverViewUntil.logoutPlayViewOnly(loginVo)); }}
package com.xunshi.hikangvision.untils;import com.sun.jna.Native;import com.sun.jna.Pointer;import com.xunshi.hikangvision.untils.Common.osSelect;import com.xunshi.hikangvision.vo.LoginVo;import com.xunshi.hikangvision.vo.MyBlockingQueue;import javax.annotation.PostConstruct;import javax.annotation.PreDestroy;import java.util.ArrayList;import java.util.List;import java.util.concurrent.ArrayBlockingQueue;import java.util.concurrent.BlockingQueue;//@Componentpublic class PreverViewUntil { static boolean isInit = false;//是否初始化 static HCNetSDK hCNetSDK = null; static PlayCtrl playControl = null; static PreverViewUntil.FExceptionCallBack_Imp fExceptionCallBack;//异常捕获回调 static class FExceptionCallBack_Imp implements HCNetSDK.FExceptionCallBack { public void invoke(int dwType, int lUserID, int lHandle, Pointer pUser) { switch(dwType) { case HCNetSDK.EXCEPTION_AUDIOEXCHANGE://语音对讲时网络异常 System.out.println("登录句柄:"+lUserID+"语音对讲异常"); break; case HCNetSDK.EXCEPTION_ALARM://报警上传时网络异常 System.out.println("登录句柄:"+lUserID+"报警上传时网络异常"); break; case HCNetSDK.EXCEPTION_PREVIEW://网络预览时异常 System.out.println("登录句柄:"+lUserID+"网络预览时异常"); //TODO: 关闭网络预览 break; case HCNetSDK.EXCEPTION_SERIAL://透明通道传输时异常 System.out.println("登录句柄:"+lUserID+"透明通道传输时异常"); //TODO: 关闭透明通道 break; case HCNetSDK.EXCEPTION_RECONNECT://预览时重连 System.out.println("登录句柄:"+lUserID+"预览时重连"); break; default: System.out.println("登录句柄:"+lUserID+",异常事件类型:"+Integer.toHexString(dwType)); System.out.println("具体错误参照 SDK网络使用手册中:NET_DVR_SetExceptionCallBack_V30 方法中的异常定义!"); break; } return; } } private static boolean CreateSDKInstance() { if (hCNetSDK == null) { synchronized (HCNetSDK.class) { String strDllPath = ""; try { if (osSelect.iswindows()) //win系统加载库路径 strDllPath = System.getProperty("user.dir") + "\\lib\\HCNetSDK.dll"; else if (osSelect.islinux()) //Linux系统加载库路径 strDllPath = System.getProperty("user.dir") + "/lib/libhcnetsdk.so"; System.out.println("loadLibrary: " + strDllPath); hCNetSDK = (HCNetSDK) Native.loadLibrary(strDllPath, HCNetSDK.class); } catch (Exception ex) { System.out.println("loadLibrary: " + strDllPath + " Error: " + ex.getMessage()); return false; } } } return true; } private static boolean CreatePlayInstance() { if (playControl == null) { synchronized (PlayCtrl.class) { String strPlayPath = ""; try { if (osSelect.isWindows()) //win系统加载库路径 strPlayPath = System.getProperty("user.dir") + "\\lib\\PlayCtrl.dll"; else if (osSelect.isLinux()) //Linux系统加载库路径 strPlayPath = System.getProperty("user.dir") + "/lib/libPlayCtrl.so"; playControl=(PlayCtrl) Native.loadLibrary(strPlayPath,PlayCtrl.class); } catch (Exception ex) { System.out.println("loadLibrary: " + strPlayPath + " Error: " + ex.getMessage()); return false; } } } return true; } @PostConstruct public static void init() { System.out.println("加载海康威视SDK dll"); System.out.println("初始化路径为:"+System.getProperty("user.dir") + "\\lib\\HCNetSDK.dll"); if (hCNetSDK == null&&playControl==null) { if (!CreateSDKInstance()) { System.out.println("Load SDK fail"); return; } if (!CreatePlayInstance()) { System.out.println("Load PlayCtrl fail"); return; } } System.out.println("海康威视SDK dll加载成功"); //linux系统建议调用以下接口加载组件库 if (osSelect.isLinux()) { HCNetSDK.BYTE_ARRAY ptrByteArray1 = new HCNetSDK.BYTE_ARRAY(256); HCNetSDK.BYTE_ARRAY ptrByteArray2 = new HCNetSDK.BYTE_ARRAY(256); //这里是库的绝对路径,请根据实际情况修改,注意改路径必须有访问权限 String strPath1 = System.getProperty("user.dir") + "/lib/libcrypto.so.1.1"; String strPath2 = System.getProperty("user.dir") + "/lib/libssl.so.1.1"; System.arraycopy(strPath1.getBytes(), 0, ptrByteArray1.byValue, 0, strPath1.length()); ptrByteArray1.write(); hCNetSDK.net_DVR_SetSDKInitCfg(3, ptrByteArray1.getPointer()); System.arraycopy(strPath2.getBytes(), 0, ptrByteArray2.byValue, 0, strPath2.length()); ptrByteArray2.write(); hCNetSDK.NET_DVR_SetSDKInitCfg(4, ptrByteArray2.getPointer()); String strPathCom = System.getProperty("user.dir") + "/lib"; HCNetSDK.NET_DVR_LOCAL_SDK_PATH struComPath = new HCNetSDK.NET_DVR_LOCAL_SDK_PATH(); System.arraycopy(strPathCom.getBytes(), 0, struComPath.sPath, 0, strPathCom.length()); struComPath.write(); hCNetSDK.NET_DVR_SetSDKInitCfg(2, struComPath.getPointer()); } System.out.println("开始初始化海康威视Sdk"); //SDK初始化,一个程序只需要调用一次 boolean initSuc = hCNetSDK.NET_DVR_Init(); if (initSuc != true) { System.out.println("初始化海康威视Sdk失败"); } System.out.println("海康威视Sdk初始化成功!"); System.out.println("开始设置异常消息回调"); //异常消息回调 if(fExceptionCallBack == null) { fExceptionCallBack = new PreverViewUntil.FExceptionCallBack_Imp(); } Pointer pUser = null; if (!hCNetSDK.NET_DVR_SetExceptionCallBack_V30(0, 0, fExceptionCallBack, pUser)) { return ; } System.out.println("设置异常消息回调成功"); System.out.println("开始设置启动SDK写日志"); //启动SDK写日志 hCNetSDK.NET_DVR_SetLogToFile(3, "..\\sdkLog\\", false); isInit = true; } //类销毁时清理sdk @PreDestroy public void clearSdk() { if (null!=hCNetSDK) { //SDK反初始化,释放资源,只需要退出时调用一次 hCNetSDK.NET_DVR_Cleanup(); } } public static List login(List loginVos) { if(loginVos.size()<1) return loginVos; for (int i = 0; i < loginVos.size(); i++) { LoginVo loginVo = loginVos.get(i); if(!isInit) { init(); } //如果已经登录,就先退出登陆 String userIdByIp = MyBlockingQueue.findUserIdByIp(loginVo.getIp()); if(null!=userIdByIp) { //自动判断是否在预览并退出 PreverViewUntil.logoutPlayView(userIdByIp); } //登录设备,每一台设备分别登录; 登录句柄是唯一的,可以区分设备 HCNetSDK.NET_DVR_USER_LOGIN_INFO m_strLoginInfo = new HCNetSDK.NET_DVR_USER_LOGIN_INFO();//设备登录信息 HCNetSDK.NET_DVR_DEVICEINFO_V40 m_strDeviceInfo = new HCNetSDK.NET_DVR_DEVICEINFO_V40();//设备信息 String m_sDeviceIP = "********";//设备ip地址 m_sDeviceIP=loginVo.getIp(); m_strLoginInfo.sDeviceAddress = new byte[HCNetSDK.NET_DVR_DEV_ADDRESS_MAX_LEN]; System.arraycopy(m_sDeviceIP.getBytes(), 0, m_strLoginInfo.sDeviceAddress, 0, m_sDeviceIP.length()); String m_sUsername = "*****";//设备用户名 m_sUsername=loginVo.getUserName(); m_strLoginInfo.sUserName = new byte[HCNetSDK.NET_DVR_LOGIN_USERNAME_MAX_LEN]; System.arraycopy(m_sUsername.getBytes(), 0, m_strLoginInfo.sUserName, 0, m_sUsername.length()); String m_sPassWord = "******";//设备密码 m_sPassword=loginVo.getPassword(); m_strLoginInfo.sPassword = new byte[HCNetSDK.NET_DVR_LOGIN_PASSWD_MAX_LEN]; System.arraycopy(m_sPassword.getBytes(), 0, m_strLoginInfo.sPassword, 0, m_sPassword.length()); m_strLoginInfo.wPort = 8000; //SDK端口 m_strLoginInfo.bUseAsynLogin = false; //是否异步登录:0- 否,1- 是 m_strLoginInfo.write(); String ipPortStr=loginVo.getIp()+":"+loginVo.getProt(); System.out.println("开始登录:"+ipPortStr); int lUserID = hCNetSDK.NET_DVR_Login_V40(m_strLoginInfo, m_strDeviceInfo); if (lUserID == -1) { System.out.println(ipPortStr+"登录失败,错误码为" + hCNetSDK.NET_DVR_GetLastError()); loginVo.setLoginStatus("0"); loginVo.setLoginMessage("登录失败,错误码为" + hCNetSDK.NET_DVR_GetLastError()); loginVo.setLUserID(null); } else { //判断DVR工作状态// HCNetSDK.NET_DVR_WORKSTATE_V30 devwork = new HCNetSDK.NET_DVR_WORKSTATE_V30();// boolean net_DVR_GetDVRWorkState_V30 = hCNetSDK.NET_DVR_GetDVRWorkState_V30(lUserID, devwork);// if (net_DVR_GetDVRWorkState_V30) {// //设备的状态,0-正常,1-CPU占用率太高,超过85%,2-硬件错误,例如串口死掉// if(devwork.dwDeviceStatic!=0)// {//// }// }// else// {// //未知错误:获取DVR工作状态失败// } //这里直接认为登陆成功就能预览吧。。 String successStr=m_sDeviceIP + ":设备登录成功! " + "设备序列号:" + new String(m_strDeviceInfo.struDeviceV30.sSerialNumber).trim(); System.out.println(successStr); loginVo.setLoginMessage(successStr); loginVo.setLoginStatus("1"); loginVo.setLUserID(lUserID); m_strDeviceInfo.read(); //记录ip已经登录 MyBlockingQueue.IPToUserIdMap.put(loginVo.getIp(),loginVo.getLUserID().toString()); } } return loginVos; } public static LoginVo playView(LoginVo vo) { //注释掉的代码也可以参考,去掉注释可以运行 //VideoDemo.getIPChannelInfo(lUserID); //获取IP通道 //int lDChannel = (int)m_strDeviceInfo.struDeviceV30.byStartDChan + lChannel -1; String ipPortStr=vo.getIp()+":"+vo.getProt(); System.out.println("预览通道号: " + vo.getLDChannel()); System.out.println("尝试预览连接:"+ipPortStr); VidePreView.RealPlay(vo.getLUserID(), vo.getLDChannel());//预览 if(VidePreView.lPlayStatus) { vo.setPlsyStatus("1"); vo.setPlsyMessage("预览请求成功!"); vo.setLPlayID(VidePreView.lPlay); System.out.println("预览请求成功:"+vo); //创建数据体,等待视频流实时回调 BlockingQueue bq = new ArrayBlockingQueue<>(10); MyBlockingQueue.bpMap.put(vo.getLUserID().toString(),bq); MyBlockingQueue.PlayToUserIdMap.put(vo.getLPlayID().toString(),vo.getLUserID().toString()); }else { vo.setPlsyStatus("0"); vo.setPlsyMessage("预览失败:"+VidePreView.lPlayErrORMassage); vo.setLPlayID(null); } return vo; } public static LoginVo loginAndPlayView(LoginVo loginVo) { if(!isInit) { init(); } //如果已经登录,就先退出登陆 String userIdByIp = MyBlockingQueue.findUserIdByIp(loginVo.getIp()); if(null!=userIdByIp) { //自动判断是否在预览并退出 PreverViewUntil.logoutPlayView(userIdByIp); } //登录 List loginVos = new ArrayList<>(); loginVos.add(loginVo); loginVos = login(loginVos); String ipPortStr=loginVo.getIp()+":"+loginVo.getProt(); if("1".equals(loginVo.getLoginStatus())) { //预览 if("1".equals(loginVos.get(0).getLoginStatus())) { playView(loginVos.get(0)); } else { System.out.println(ipPortStr+"----登陆成功,但是预览失败!"); //登录并预览接口中,如果登陆成功但是预览失败,自动退出登录-清理数据体 PreverViewUntil.logoutPlayView(loginVo.getLUserID().toString()); } } else { System.out.println(ipPortStr+"----登陆失败!"); } return loginVos.get(0); } public static void logoutPlayView(String lUserID,String lPlayID) { if(null!=hCNetSDK&&MyBlockingQueue.bpMap.containsKey(lUserID)) { if (hCNetSDK.NET_DVR_StopRealPlay(Integer.valueOf(lPlayID))) { System.out.println("停止预览成功"); } //退出程序时调用,每一台设备分别注销 if (hCNetSDK.NET_DVR_Logout(Integer.valueOf(lUserID))) { System.out.println("注销登录成功"); } //清理数据体 MyBlockingQueue.clearByUserId(lUserID,true); } } public static void logoutPlayView(String lUserID) { if(null!=hCNetSDK &&MyBlockingQueue.bpMap.containsKey(lUserID)) { String playId = MyBlockingQueue.findPlayIdByUserId(lUserID); if(null!=playId) { if (hCNetSDK.NET_DVR_StopRealPlay(Integer.valueOf(playId))) { System.out.println("停止预览成功"); } } //退出程序时调用,注销登录 if (hCNetSDK.NET_DVR_Logout(Integer.valueOf(lUserID))) { System.out.println("注销登录成功"); } //清理数据体 MyBlockingQueue.clearByUserId(lUserID,true); } } public static LoginVo logoutPlayViewOnly(LoginVo loginVo) { if(null!=hCNetSDK) { if(null!=loginVo.getLPlayID()) { if (hCNetSDK.NET_DVR_StopRealPlay(loginVo.getLPlayID())) { System.out.println("停止预览成功"); loginVo.setLPlayID(null); loginVo.setPlsyMessage("停止预览成功"); loginVo.setLoginStatus("0"); } else { //接口返回失败请调用NET_DVR_GetLastError获取错误码,通过错误码判断出错原因。 loginVo.setPlsyMessage("停止预览失败:接口返回失败请调用NET_DVR_GetLastError获取错误码,通过错误码判断出错原因。"); } } //清理数据体 MyBlockingQueue.clearByUserId(loginVo.getLUserID().toString(),false); } return loginVo; }}
package com.xunshi.hikangvision.untils;import com.sun.jna.Pointer;import com.sun.jna.ptr.ByteByReference;import com.xunshi.hikangvision.vo.MyBlockingQueue;import java.io.IOException;import java.util.HashMap;import java.util.Map;import java.util.concurrent.BlockingQueue;import static com.xunshi.hikangvision.untils.PreverViewUntil.hCNetSDK;public class VidePreView { static FRealDataCallBack1 fRealDataCallBack;//预览回调函数实现 static VideoDemo.fPlayEScallback fPlayescallback; //裸码流回调函数 public static int lPlay = -1; //预览句柄 public static boolean lPlayStatus = false;//预览是否成功 public static String lPlayErrorMassage = "";//预览错误信息 public static void RealPlay(int userID, int iChannelNo) { if (userID == -1) { System.out.println("请先登录"); lPlayStatus=false; lPlayErrorMassage="请先登录"; return; } HCNetSDK.NET_DVR_PREVIEWINFO strClientInfo = new HCNetSDK.NET_DVR_PREVIEWINFO(); strClientInfo.read(); strClientInfo.hPlayWnd = null; //窗口句柄,从回调取流不显示一般设置为空 strClientInfo.lChannel = iChannelNo; //通道号 strClientInfo.dwStreamType=0; //0-主码流,1-子码流,2-三码流,3-虚拟码流,以此类推 strClientInfo.dwLinkMode=0; //连接方式:0- TCP方式,1- UDP方式,2- 多播方式,3- RTP方式,4- RTP/RTSP,5- RTP/HTTP,6- HRUDP(可靠传输) ,7- RTSP/HTTPS,8- NPQ strClientInfo.bBlocked=1; strClientInfo.write(); //回调函数定义必须是全局的 if (fRealDataCallBack == null) { fRealDataCallBack = new FRealDataCallBack1(); } //开启预览 lPlay = hCNetSDK.NET_DVR_RealPlay_V40(userID, strClientInfo, fRealDataCallBack , null); if (lPlay == -1) { int iErr = hCNetSDK.NET_DVR_GetLastError(); System.out.println("取流失败" + iErr); lPlayStatus=false; lPlayErrorMassage="取流失败,错误码:" + iErr; return; } System.out.println("取流成功"); lPlayStatus=true; return; } //预览回调 static class FRealDataCallBack1 implements HCNetSDK.FRealDataCallBack_V30 { //预览回调 lRealHandle预览句柄回调 public void invoke(int lRealHandle, int dwDataType, ByteByReference pBuffer, int dwBufSize, Pointer pUser) { //System.out.println("码流数据回调, 数据类型: " + dwDataType + ", 数据长度:" + dwBufSize); //播放库解码 switch (dwDataType) { case HCNetSDK.NET_DVR_SYSHEAD: //系统头 case HCNetSDK.NET_DVR_STREAMDATA: //码流数据 if ((dwBufSize > 0)) { //System.out.println("取流回调进行中....."); byte[] outputData = pBuffer.getPointer().getByteArray(0, dwBufSize); try {writeESH264(outputData,lRealHandle);//将流写入对应的实体 } catch (IOException e) {e.printStackTrace(); } } } } //多路视频的pes数据进行缓存,知道某一路视频的RTP包开头进入时进行取出返给前端 Map EsBytesMap=new HashMap<>(); public void writeESH264(final byte[] outputData,int lRealHandle) throws IOException { if (outputData.length <= 0) { return; } String playIdStr = String.valueOf(lRealHandle); byte[] allEsBytes = null;//当前这个通道的一个Rtp包数据 if(!EsBytesMap.containsKey(playIdStr)) { EsBytesMap.put(playIdStr,allEsBytes); } else { allEsBytes=EsBytesMap.get(playIdStr); } if ((outputData[0] & 0xff) == 0x00// && (outputData[1] & 0xff) == 0x00// && (outputData[2] & 0xff) == 0x01// && (outputData[3] & 0xff) == 0xBA) {// RTP包开头 // 一个完整的帧解析完成后将解析的数据放入BlockingQueue,websocket获取后发送给前端 if (allEsBytes != null && allEsBytes.length > 0) { //System.out.println("回调的lRealHandle:"+lRealHandle); if(MyBlockingQueue.PlayToUserIdMap.containsKey(String.valueOf(lRealHandle))) { String userId = MyBlockingQueue.PlayToUserIdMap.get(String.valueOf(lRealHandle)); BlockingQueue blockingQueue = MyBlockingQueue.bpMap.get(userId); //System.out.println("当前的lPlayID:"+lRealHandle); //System.out.println("myBlockingQueue.bq is null?"+(null==blockingQueue)); try {blockingQueue.put(allEsBytes);//将当前的某一路视频通道的上一个Rtp包放到队列中去MyBlockingQueue.bpMap.put(userId,blockingQueue);allEsBytes = null;EsBytesMap.put(playIdStr,allEsBytes);//置空当前通道的RTP包,下次回调就是pes包进行取流追加 } catch (InterruptedException e) {e.printStackTrace(); } } } } // 是00 00 01 eo开头的就是视频的pes包 if ((outputData[0] & 0xff) == 0x00// && (outputData[1] & 0xff) == 0x00// && (outputData[2] & 0xff) == 0x01// && (outputData[3] & 0xff) == 0xE0) {// // 去掉包头后的起始位置 int from = 9 + outputData[8] & 0xff; int len = outputData.length - 9 - (outputData[8] & 0xff); // 获取es裸流 byte[] esBytes = new byte[len]; System.arraycopy(outputData, from, esBytes, 0, len); if (allEsBytes == null) { allEsBytes = esBytes; } else { byte[] newEsBytes = new byte[allEsBytes.length + esBytes.length]; System.arraycopy(allEsBytes, 0, newEsBytes, 0, allEsBytes.length); System.arraycopy(esBytes, 0, newEsBytes, allEsBytes.length, esBytes.length); allEsBytes = newEsBytes; } EsBytesMap.put(playIdStr,allEsBytes);//当前视频通道的部分包数据进行缓存 } } }}
package com.xunshi.hikangvision.sevice;import com.xunshi.hikangvision.untils.PreverViewUntil;import com.xunshi.hikangvision.vo.MyBlockingQueue;import lombok.extern.slf4j.Slf4j;import org.springframework.stereotype.Component;import javax.websocket.*;import javax.websocket.server.PathParam;import javax.websocket.server.ServerEndpoint;import java.io.IOException;import java.NIO.ByteBuffer;import java.util.concurrent.BlockingQueue;import java.util.concurrent.atomic.AtomicInteger;@Slf4j@ServerEndpoint(value = "/wstest/{lUserID}")@Componentpublic class OneWebSocket { private static AtomicInteger onlineCount = new AtomicInteger(0); @OnOpen public void onOpen(final Session session , @PathParam("lUserID") String lUserID) { onlineCount.addAndGet(1); System.out.println("当前已经登录用户句柄S:"+MyBlockingQueue.bpMap.keySet()); log.info("有新连接加入sessionid:{},摄像头登录用户的句柄为:{} 当前在线socket(视频路数)数量:{}", session.getId(),lUserID, onlineCount); if(MyBlockingQueue.bpMap.containsKey(lUserID)){ if(null==MyBlockingQueue.findPlayIdByUserId(lUserID)) { System.out.println(String.format("警告:根据登录句柄%s,没有找到用户预览句柄",lUserID)); } BlockingQueue blockingQueue = MyBlockingQueue.bpMap.get(lUserID); MyBlockingQueue.SessionToUserIdMap.put(session.getId(),lUserID); //这里按照逻辑来说这里绑定后就应该开启一个线层来干这个事情,查询了一下好像websocket就是多线程的直接干吧 while (null!=session&&session.isOpen()&&null!=blockingQueue) { try { byte[] esBytes = (byte[]) blockingQueue.take(); if(esBytes.length<1) { System.out.println("取流失败,无内容"); continue; } ByteBuffer data = ByteBuffer.wrap(esBytes); session.getBasicRemote().sendBinary(data); } catch (InterruptedException e) { System.out.println("socket 数据发失败,错误信息为:"+e.getMessage()); return; } catch (IOException e) { System.out.println("socket 数据发失败,错误信息为:"+e.getMessage()); return; } } } else { System.out.println("当前没有找到用户登录句柄,无法播放:"+lUserID); } } @OnClose public void onClose(final Session session) { onlineCount.decrementAndGet(); // 在线数减1 System.out.println(String.format("socket[%s]断开链接,查找并执行退出预览&登录",session.getId())); //执行退出操作 if(MyBlockingQueue.SessionToUserIdMap.containsKey(session.getId())) { String userId = MyBlockingQueue.SessionToUserIdMap.get(session.getId()); if(null!=userId) { System.out.println(String.format("找到正在登录id[%s]预览的的相关信息,执行停止预览并退出登录操作",userId)); PreverViewUntil.logoutPlayView(userId);//执行退出预览操作 } } else { System.out.println(String.format("没有找到该socket相关的登录预览信息,无需操作!")); } } @OnMessage public void onMessage(final String message, final Session session) { log.info("服务端收到客户端[{}]的消息:{}", session.getId(), message); } @OnError public void onError(final Session session, final Throwable error) { System.out.println(String.format("socket[%s]发生错误,查找并执行退出预览&登录,错误消息是:"+error.getMessage(),session.getId())); //执行退出操作 if(MyBlockingQueue.SessionToUserIdMap.containsKey(session.getId())) { String userId = MyBlockingQueue.SessionToUserIdMap.get(session.getId()); if(null!=userId) { System.out.println(String.format("找到正在登录id[%s]预览的的相关信息,执行停止预览并退出登录操作",userId)); PreverViewUntil.logoutPlayView(userId);//执行退出预览操作 } } else { System.out.println(String.format("没有找到该socket相关的登录预览信息,无需操作!")); } } private void sendMessage(final String message, final Session toSession) { try { log.info("服务端给客户端[{}]发送消息{}", toSession.getId(), message); toSession.getBasicRemote().sendText(message); } catch (Exception e) { log.error("服务端发送消息给客户端失败:{}", e); } }}
package com.xunshi.hikangvision.vo;import java.util.HashMap;import java.util.Map;import java.util.concurrent.BlockingQueue;import java.util.concurrent.atomic.AtomicReference;public class MyBlockingQueue {// static public BlockingQueue bq = new ArrayBlockingQueue<>(10);// public String socketSessionId; //前端和这个摄像头建立的websocketid// public String lUserID="-1"; //摄像头登录句柄// public String lPlayID="-1"; //摄像预览句柄 static public Map SessionToUserIdMap=new HashMap<>(); static public Map PlayToUserIdMap=new HashMap<>(); static public Map IPToUserIdMap=new HashMap<>(); static public Map bpMap=new HashMap<>(); static public void clearByUserId(String userId,boolean logout) { if(null==MyBlockingQueue.bpMap) { System.out.println("bpMap is null "); MyBlockingQueue.bpMap=new HashMap<>(); } if(null==MyBlockingQueue.PlayToUserIdMap) { System.out.println("PlayToUserIdMap is null "); MyBlockingQueue.PlayToUserIdMap=new HashMap<>(); } if(null==MyBlockingQueue.SessionToUserIdMap) { System.out.println("SessionToUserIdMap is null "); MyBlockingQueue.SessionToUserIdMap=new HashMap<>(); } for (String key : MyBlockingQueue.PlayToUserIdMap.keySet()) { String value = MyBlockingQueue.PlayToUserIdMap.get(key); if(value.equals(userId)) { MyBlockingQueue.PlayToUserIdMap.remove(key); break; } } for (String key : MyBlockingQueue.SessionToUserIdMap.keySet()) { String value = MyBlockingQueue.SessionToUserIdMap.get(key); if(value.equals(userId)) { MyBlockingQueue.SessionToUserIdMap.remove(key); break; } } if(logout) { for (String key : MyBlockingQueue.IPToUserIdMap.keySet()) { String value = MyBlockingQueue.IPToUserIdMap.get(key); if(value.equals(userId)) { MyBlockingQueue.IPToUserIdMap.remove(key); break; } } } } static public String findUserIdByIp(String Ip) { for (String key : MyBlockingQueue.IPToUserIdMap.keySet()) { String value = MyBlockingQueue.IPToUserIdMap.get(key); if(key.equals(Ip)) { return value; } } return null; } static public String findPlayIdByUserId(String userId) { for (String key : MyBlockingQueue.PlayToUserIdMap.keySet()) { String value = MyBlockingQueue.PlayToUserIdMap.get(key); if(value.equals(userId)) { return key; } } return null; }}
package com.xunshi.hikangvision.vo.result;import lombok.AllArgsConstructor;import lombok.Getter;import lombok.Setter;import lombok.ToString;import lombok.experimental.Accessors;import org.springframework.Http.httpstatus;import org.springframework.util.ObjectUtils;import java.io.Serializable;@ToString@Accessors(chain = true)@AllArgsConstructorpublic class R implements Serializable { private static final long serialVersionUID = 1L; @Getter @Setter private int code = CommonConstants.SUCCESS; @Getter @Setter private HttpStatus httpStatus; @Getter @Setter private T data; private String[] messages = {}; public R() { super(); } public R(T data) { super(); this.data = data; } public R(String... msg) { super(); this.messages = msg; } public R(T data, String... msg) { super(); this.data = data; this.messages = msg; } public R(T data, int code, String... msg) { super(); this.data = data; this.code = code; this.messages = msg; } public R(Throwable e) { super(); setMessage(e.getMessage()); this.code = CommonConstants.FAIL; } public static R buildOk(String... messages) { return new R(messages); } public static R buildOkData(T data, String... messages) { return new R(data, messages); } public static R buildFailData(T data, String... messages) { return new R(data, CommonConstants.FAIL, messages); } public static R buildFail(String... messages) { return new R(null, CommonConstants.FAIL, messages); } public static R build(T data, int code, String... messages) { return new R(data, code, messages); } public static R build(int code, String... messages) { return new R(null, code, messages); } public String getMessage() { return readMessages(); } public void setMessage(String message) { addMessage(message); } public String readMessages() { StringBuilder sb = new StringBuilder(); for (String message : messages) { sb.append(message); } return sb.toString(); } public void addMessage(String message) { this.messages = ObjectUtils.addObjectToArray(messages, message); }}
①:准备好摄像头参数:ip、端口、预览通道、用户名、密码,请求后端接口‘/playvision/login’实现登录,登陆成功后端会返回loginStatus(登录状态:0-失败1-成功)、lUserID(登陆摄像头的id)
②:请求预览接口'/playvision/playView',将登录后返回的数据直接请求过来即可。请求成功后会返回plsyStatus(预览状态:0-失败1-成功)、lPlayID(预览成功的通道句柄id)
③:预览接口请求成功后,我们调用wfs.js插件进行实时预览。
h.264 To fmp4
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