1.Html 部分
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>preview_demo</title>
</head>
<style>
html, body {
padding: 0;
margin: 0;
}
.playWnd {
float: left;
/*width: 1200px; !*播放容器的宽和高设定*!*/
/*height: 600px;*/
margin-left: 10px;
margin-right: 10px;
border: 1px solid red;
}
.operate {
margin-top: 24px;
}
.operate::after {
content: '';
display: block;
clear: both;
}
.module {
float: left;
width: 340px;
/*min-height: 320px;*/
margin-left: 16px;
margin-right: 16px;
padding: 16px 8px;
box-sizing: border-box;
border: 1px solid #e5e5e5;
}
.module .item {
margin-bottom: 4px;
}
.module input[type="text"] {
box-sizing: border-box;
display: inline-block;
vertical-align: middle;
margin-left: 0;
width: 150px;
min-height: 20px;
}
.module .btn {
min-width: 80px;
min-height: 24px;
margin-top: 100px;
margin-left: 80px;
}
</style>
<body>
<!--视频窗口展示-->
<div id="playWnd" class="playWnd" style="left: 109px; top: 133px;"></div>
</body>
<!--三个必要的js文件引入-->
<script src="../js/jquery-1.7.1.min.js"></script>
<script src="../js/jsencrypt.min.js"></script> <!-- 用于RSA加密 -->
<script src="../js/jsWebControl-1.0.0.min.js"></script> <!-- 用于前端与插件交互 -->
<script src="../js/camera.js"></script>
<script type="text/javascript">
//声明公用变量
var initCount = 0;
//默认值
var width = 1200;
var height = 800;
var codeStreamFlag;
var layout = '2x2';
var init_flag = false;//初始化完成标识
//页面加载时创建播放实例初始化
$(window).load(function () {
initPlugin();
});
function autoHeight() {
var h = $(window).height();
var w = $(window).width()-40;
var h_old = 300;
if (h > h_old) {
$(".playWnd").css('height', h);
$(".playWnd").css('width', w);
} else {
return false;
}
}
$(function () {
width = $(window).width()-40;
height = $(window).height();
autoHeight()
$(window).resize(autoHeight);
})
</script>
</html>
2.js部分
//3.getCameraSpecil
var baseApi = "";
var initCnt = 0;
//获取视频轮训
function getCameraSpecil() {
var access_token = sessionStorage.getItem("access_token"),
tenant_id = sessionStorage.getItem("tenant_id");
$.ajax({
type: "GET",
url: baseApi + "/smc/camera/getCameraSpecilInfoList?areaId=" + "",
dataType: "json",
headers: {
"Authorization": "Bearer " + access_token,
"TENANT-ID": tenant_id
},
async: false,
success: function (result) {
console.log(result);
var data = result.data;
var size = data.length;
var layout = getLayoutBySize(size);
// oWebControl.JS_RequestInterface({
// funcName: "setLayout",
// argument: "{layout:" + layout + ";}"
// }).then(function (oData) {
$.each(data, function (i, item) {
startPreview(item.cameraIndexCode, i + 1);
});
// });
},
error: function () {
}
});
}
// 创建播放实例 初始化插件信息
function initPlugin() {
oWebControl = new WebControl({
szPluginContainer: "playWnd", // 指定容器id
iServicePortStart: 15900, // 指定起止端口号,建议使用该值
iServicePortEnd: 15909,
szClassId: "23BF3B0A-2C56-4D97-9C03-0CB103AA8F11", // 用于IE10使用ActiveX的clsid
cbConnectSuccess: function () { // 创建WebControl实例成功
oWebControl.JS_StartService("window", { // WebControl实例创建成功后需要启动服务
dllPath: "./VideoPluginConnect.dll" // 值"./VideoPluginConnect.dll"写死
}).then(function () { // 启动插件服务成功
oWebControl.JS_SetWindowControlCallback({ // 设置消息回调
cbIntegrationCallBack: cbIntegrationCallBack
});
oWebControl.JS_CreateWnd("playWnd", width, height).then(function () { //JS_CreateWnd创建视频播放窗口,宽高可设定
init(); // 创建播放实例成功后初始化
});
}, function () { // 启动插件服务失败
});
},
cbConnectError: function () { // 创建WebControl实例失败
oWebControl = null;
$("#playWnd").html("插件未启动,正在尝试启动,请稍候...");
WebControl.JS_WakeUp("VideoWebPlugin://"); // 程序未启动时执行error函数,采用wakeup来启动程序
initCount++;
if (initCount < 3) {
setTimeout(function () {
initPlugin();
}, 3000)
} else {
$("#playWnd").html("插件启动失败,请检查插件是否安装!");
}
},
cbConnectClose: function (bNormalClose) {
// 异常断开:bNormalClose = false
// JS_Disconnect正常断开:bNormalClose = true
console.log("cbConnectClose");
oWebControl = null;
}
});
}
// 设置窗口控制回调
function setCallbacks() {
oWebControl.JS_SetWindowControlCallback({
cbIntegrationCallBack: cbIntegrationCallBack
});
}
// 推送消息
function cbIntegrationCallBack(oData) {
showCBInfo(JSON.stringify(oData.responseMsg));
}
//初始化
function init() {
// getPubKey(function () {
// //1.获取session视频平台配置信息
// //2.init
// var result = sessionStorage.getItem("camera_platform");
// var data = JSON.parse(result);
// console.log(data)
// // 请自行修改以下变量值
// var appkey = data.appKey; //综合安防管理平台提供的appkey,必填
// var secret = setEncrypt(data.appSecret); //综合安防管理平台提供的secret,必填
// var ip = data.ip;//综合安防管理平台IP地址,必填
// var playMode = 0; //初始播放模式:0-预览,1-回放
// var port = data.port; //综合安防管理平台端口,若启用HTTPS协议,默认443
// var snapDir = "D:\SnapDir"; //抓图存储路径
// var videoDir = "D:\VideoDir"; //紧急录像或录像剪辑存储路径
// var enableHTTPS = data.enableHttps; //是否启用HTTPS协议与综合安防管理平台交互,是为1,否为0
// var encryptedFields = 'secret'; //加密字段,默认加密领域为secret
// var showToolbar = 1; //是否显示工具栏,0-不显示,非0-显示
// var showSmart = 1; //是否显示智能信息(如配置移动侦测后画面上的线框),0-不显示,非0-显示
// var buttonIDs = "0,16,256,257,258,259,260,512,513,514,515,516,517,768,769"; //自定义工具条按钮
// var pubKey = '';
// codeStreamFlag = data.codeStreamFlag;
// oWebControl.JS_RequestInterface({
// funcName: "init",
// argument: JSON.stringify({
// appkey: appkey, //API网关提供的appkey
// secret: secret,
// //API网关提供的secret
// ip: ip,
// //API网关IP地址
// playMode: playMode, //播放模式(决定显示预览还是回放界面)
// port: port, //端口
// snapDir: snapDir, //抓图存储路径
// videoDir: videoDir, //紧急录像或录像剪辑存储路径
// layout: layout, //布局
// enableHTTPS: enableHTTPS, //是否启用HTTPS协议
// encryptedFields: encryptedFields, //加密字段
// showToolbar: showToolbar, //是否显示工具栏
// showSmart: showSmart, //是否显示智能信息
// buttonIDs: buttonIDs //自定义工具条按钮
// })
// }).then(function (oData) {
// oWebControl.JS_Resize(width, height); // 初始化后resize一次,规避firefox下首次显示窗口后插件窗口未与DIV窗口重合问题
// });
// });
getPubKey(function () {
// 请自行修改以下变量值
var appkey = ""; //综合安防管理平台提供的appkey,必填
var secret = setEncrypt(""); //综合安防管理平台提供的secret,必填
var ip = ""; //综合安防管理平台IP地址,必填
var playMode = 0; //初始播放模式:0-预览,1-回放
var port = 443; //综合安防管理平台端口,若启用HTTPS协议,默认443
var snapDir = "D:\SnapDir"; //抓图存储路径
var videoDir = "D:\VideoDir"; //紧急录像或录像剪辑存储路径
var enableHTTPS = 1; //是否启用HTTPS协议与综合安防管理平台交互,是为1,否为0
var encryptedFields = 'secret'; //加密字段,默认加密领域为secret
var showToolbar = 0; //是否显示工具栏,0-不显示,非0-显示
var showSmart = 1; //是否显示智能信息(如配置移动侦测后画面上的线框),0-不显示,非0-显示
var buttonIDs = "0,16,256,257,258,259,260,512,513,514,515,516,517,768,769"; //自定义工具条按钮
// 请自行修改以上变量值
// indexcode =
oWebControl.JS_RequestInterface({
funcName: "init",
argument: JSON.stringify({
appkey: appkey, //API网关提供的appkey
secret: secret, //API网关提供的secret
ip: ip, //API网关IP地址
playMode: playMode, //播放模式(决定显示预览还是回放界面)
port: port, //端口
snapDir: snapDir, //抓图存储路径
videoDir: videoDir, //紧急录像或录像剪辑存储路径
layout: layout, //布局
enableHTTPS: enableHTTPS, //是否启用HTTPS协议
encryptedFields: encryptedFields, //加密字段
showToolbar: showToolbar, //是否显示工具栏
showSmart: showSmart, //是否显示智能信息
buttonIDs: buttonIDs //自定义工具条按钮
})
}).then(function (oData) {
oWebControl.JS_Resize(width, height); // 初始化后resize一次,规避firefox下首次显示窗口后插件窗口未与DIV窗口重合问题
});
});
}
//获取公钥
function getPubKey(callback) {
oWebControl.JS_RequestInterface({
funcName: "getRSAPubKey",
argument: JSON.stringify({
keyLength: 1024
})
}).then(function (oData) {
console.log(oData);
if (oData.responseMsg.data) {
pubKey = oData.responseMsg.data;
callback();
init_flag = true;
getCameraSpecil();
}
})
}
function getLayoutBySize(size) {
if (size == 1) {
layout = '1x1'
}
if (size > 1 && size < 5) {
layout = '2x2';
}
if (size > 4 && size < 10) {
layout = '3x3';
}
if (size > 10 && size < 17) {
layout = '4x4';
}
if (size > 17 && size < 26) {
layout = '5x5';
}
}
function setLayout(layout) {
debugger
alert(layout)
oWebControl.JS_RequestInterface({
funcName: "setLayout",
argument: {
layout: layout // 窗口布局
}
}).then(function (oData) {
oWebControl.JS_Resize(width, height); // 初始化后resize一次,规避firefox下首次显示窗口后插件窗口未与DIV窗口重合问题
});
}
//RSA加密
function setEncrypt(value) {
var encrypt = new JSEncrypt();
encrypt.setPublicKey(pubKey);
return encrypt.encrypt(value);
}
// 监听resize事件,使插件窗口尺寸跟随DIV窗口变化
$(window).resize(function () {
if (oWebControl != null) {
oWebControl.JS_Resize(width, height);
setWndCover();
}
});
// 监听滚动条scroll事件,使插件窗口跟随浏览器滚动而移动
$(window).scroll(function () {
if (oWebControl != null) {
oWebControl.JS_Resize(width, height);
setWndCover();
}
});
// 设置窗口裁剪,当因滚动条滚动导致窗口需要被遮住的情况下需要JS_CuttingPartWindow部分窗口
function setWndCover() {
var iWidth = $(window).width();
var iHeight = $(window).height();
var oDivRect = $("#playWnd").get(0).getBoundingClientRect();
var iCoverLeft = (oDivRect.left < 0) ? Math.abs(oDivRect.left) : 0;
var iCoverTop = (oDivRect.top < 0) ? Math.abs(oDivRect.top) : 0;
var iCoverRight = (oDivRect.right - iWidth > 0) ? Math.round(oDivRect.right - iWidth) : 0;
var iCoverBottom = (oDivRect.bottom - iHeight > 0) ? Math.round(oDivRect.bottom - iHeight) : 0;
iCoverLeft = (iCoverLeft > width) ? width : iCoverLeft;
iCoverTop = (iCoverTop > height) ? height : iCoverTop;
iCoverRight = (iCoverRight > width) ? width : iCoverRight;
iCoverBottom = (iCoverBottom > height) ? height : iCoverBottom;
oWebControl.JS_RepairPartWindow(0, 0, width + 1, height); // 多1个像素点防止还原后边界缺失一个像素条
if (iCoverLeft != 0) {
oWebControl.JS_CuttingPartWindow(0, 0, iCoverLeft, height);
}
if (iCoverTop != 0) {
oWebControl.JS_CuttingPartWindow(0, 0, width + 1, iCoverTop); // 多剪掉一个像素条,防止出现剪掉一部分窗口后出现一个像素条
}
if (iCoverRight != 0) {
oWebControl.JS_CuttingPartWindow(width - iCoverRight, 0, iCoverRight, height);
}
if (iCoverBottom != 0) {
oWebControl.JS_CuttingPartWindow(0, height - iCoverBottom, width, iCoverBottom);
}
}
//视频预览功能
function startPreview(cameraIndexCode, wndId) {
// var cameraIndexCode = cameraIndexCode; //获取输入的监控点编号值,必填
// var streamMode = codeStreamFlag; //主子码流标识:0-主码流,1-子码流
// var transMode = 1; //传输协议:0-UDP,1-TCP
// var gpuMode = 0; //是否启用GPU硬解,0-不启用,1-启用
// var wndId = -1; //播放窗口序号(在2x2以上布局下可指定播放窗口)
var streamMode = 1; //主子码流标识:0-主码流,1-子码流
var transMode = 1; //传输协议:0-UDP,1-TCP
var gpuMode = 0; //是否启用GPU硬解,0-不启用,1-启用
cameraIndexCode = cameraIndexCode.replace(/(^\s*)/g, "");
cameraIndexCode = cameraIndexCode.replace(/(\s*$)/g, "");
oWebControl.JS_RequestInterface({
funcName: "startPreview",
argument: JSON.stringify({
cameraIndexCode: cameraIndexCode, //监控点编号
streamMode: streamMode, //主子码流标识
transMode: transMode, //传输协议
gpuMode: gpuMode, //是否开启GPU硬解
wndId: wndId //可指定播放窗口
})
})
}
$(window).unload(function () {
if (oWebControl != null) {
oWebControl.JS_HideWnd(); // 先让窗口隐藏,规避可能的插件窗口滞后于浏览器消失问题
oWebControl.JS_Disconnect().then(function () { // 断开与插件服务连接成功
},
function () { // 断开与插件服务连接失败
});
}
});
注:剩余所需资源请查看海康平台Demo!!!