<template>
|
<div class="video-player">
|
<canvas v-show="showArea" id="area-canvas" ref="areaCanvas" width="960" height="540"></canvas>
|
<video ref="videoPlayer" :poster="poster" preload="auto" muted></video>
|
<div class="controls">
|
<!-- 全屏 -->
|
<i class="el-icon-full-screen" @click="fullScreen"></i>
|
</div>
|
</div>
|
</template>
|
<script>
|
import Wfs from "./wfs"
|
import VideoRuleData from "@/Pool/VideoRuleData"
|
import TreeDataPool from "@/Pool/TreeData"
|
import { getAllPolygon } from "@/api/polygon"
|
import polygonCanvas from "@/components/canvas"
|
export default {
|
name: "CameraPlayer",
|
props: {
|
wsAddr: {
|
type: String,
|
// default: "ws://192.168.1.182:10101/ws"
|
default: `${location.protocol === "https" ? "wss" : "ws"}://${location.host}/ws`
|
},
|
cameraName: {
|
type: String,
|
default: ""
|
},
|
cameraID: {
|
type: String,
|
default: "C4668FD0-3CAE-C31F-C21E-28B7001243C4"
|
},
|
rtspUrl: {
|
type: String,
|
default: "rtsp://admin:a1234567@192.168.1.201:554/h264/ch1/main/av_stream"
|
},
|
isRunning: {
|
type: Boolean,
|
default: false
|
},
|
isGb: {
|
type: Boolean,
|
default: false
|
},
|
showArea: {
|
type: Boolean,
|
default: false
|
}
|
},
|
|
computed: {
|
poster() {
|
return "/images/player/player_poster.gif?t=" + Math.random()
|
}
|
},
|
data() {
|
return {
|
wfs: {},
|
wfsId: 0,
|
Camera: new VideoRuleData(),
|
showCanvas: true,
|
canvasData: {
|
line: [],
|
rect: [], // {id:'uuid', name: '矩形1', location: [{ x: 20, y: 30 }, { x: 20, y: 60 }, { x: 100, y: 60 }, { x: 100, y: 30 }] }
|
arrow: [],
|
polygon: []
|
},
|
//showProportion: 3.2,
|
//showProportionY: 3.58,
|
// showProportion: 1.036,
|
// showProportionY: 1.039,
|
showProportion: 1,
|
showProportionY: 1,
|
canvas: null,
|
ctx: null,
|
canvasWidth: 0,
|
canvasHeight: 0,
|
algoDataSocket: null
|
}
|
},
|
watch: {
|
rtspUrl: function(newVal, oldVal) {
|
if (newVal !== oldVal) {
|
if (this.wfs.config) {
|
this.wfs.destroy()
|
!!this.algoDataSocket && this.algoDataSocket.close()
|
}
|
this.$nextTick(() => {
|
this.clickStart()
|
})
|
}
|
}
|
},
|
mounted() {
|
this.clickStart()
|
this.$nextTick(() => {
|
this.canvas = this.$refs.areaCanvas
|
this.ctx = this.canvas.getContext("2d")
|
this.ctx.lineWidth = 1
|
this.initArea()
|
})
|
},
|
beforeDestroy() {
|
!!this.wfs && this.wfs.destroy()
|
this.wfsId = ""
|
!!this.algoDataSocket && this.algoDataSocket.close()
|
},
|
methods: {
|
checkConnect(id) {
|
// console.log(this.wfs)
|
if (id !== this.wfsId) {
|
return
|
}
|
|
if (this.wfs.websocketLoader && this.wfs.websocketLoader.client) {
|
if (this.wfs.websocketLoader.client.disconnected) {
|
this.clickStart()
|
console.log("实时视频已断开，正在重连")
|
return
|
}
|
}
|
|
let _this = this
|
setTimeout(() => {
|
_this.checkConnect(id)
|
}, 10000)
|
},
|
clickStart() {
|
if (this.rtspUrl == "") {
|
return
|
}
|
|
let cameraId = this.cameraID
|
if (cameraId == "") {
|
cameraId = this.getUuid()
|
}
|
if (Wfs.isSupported()) {
|
let wsAddr = this.wsAddr
|
let cameraInfo = {
|
cameraID: cameraId,
|
rtspUrl: this.rtspUrl,
|
isRunning: this.isRunning,
|
isGb28181: this.isGb
|
}
|
|
// let camera = document.getElementById(this.cameraID);
|
let camera = this.$refs.videoPlayer
|
this.wfs = new Wfs()
|
let randomId = this.getUuid()
|
this.wfsId = randomId
|
this.wfs.attachMedia(camera, "chX", "H264Raw", wsAddr, cameraInfo)
|
|
this.checkConnect(randomId)
|
}
|
},
|
getUuid() {
|
var s = []
|
var hexDigits = "0123456789abcdefghijkopqrst"
|
for (var i = 0; i < 36; i++) {
|
s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1)
|
}
|
s[14] = "4" // bits 12-15 of the time_hi_and_version field to 0010
|
s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1) // bits 6-7 of the clock_seq_hi_and_reserved to 01
|
s[8] = s[13] = s[18] = s[23] = "-"
|
var uuid = s.join("")
|
return uuid
|
},
|
fullScreen() {
|
this.$refs.videoPlayer.webkitRequestFullScreen()
|
},
|
// 回显cavas数据
|
// 点击选中变色 将当前页面所有路径重绘判断当前鼠标的坐标在哪个图形内 如果不传坐标参数就是回显的方法
|
clickSelect(e) {
|
this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height)
|
let _this = this // 集合中遍历需要将this转存一下使用
|
_this.canvasData.line.forEach(function(v, i) {
|
_this.ctx.strokeStyle = "yellow"
|
_this.ctx.beginPath()
|
_this.ctx.moveTo(v.location[0].x / _this.showProportion, v.location[0].y / _this.showProportion)
|
_this.ctx.lineTo(v.location[1].x / _this.showProportion, v.location[1].y / _this.showProportion)
|
_this.ctx.stroke()
|
_this.canvas.style.cursor = "default"
|
})
|
_this.canvasData.rect.forEach(function(v, i) {
|
_this.ctx.strokeStyle = "yellow"
|
_this.ctx.beginPath()
|
_this.ctx.moveTo(v.location[0].x / _this.showProportion, v.location[0].y / _this.showProportion)
|
_this.ctx.lineTo(v.location[1].x / _this.showProportion, v.location[1].y / _this.showProportion)
|
_this.ctx.lineTo(v.location[2].x / _this.showProportion, v.location[2].y / _this.showProportion)
|
_this.ctx.lineTo(v.location[3].x / _this.showProportion, v.location[3].y / _this.showProportion)
|
_this.ctx.lineTo(v.location[0].x / _this.showProportion, v.location[0].y / _this.showProportion)
|
_this.ctx.stroke()
|
_this.canvas.style.cursor = "default"
|
})
|
_this.canvasData.arrow.forEach(function(v, i) {
|
_this.ctx.strokeStyle = "yellow"
|
_this.drawArrow(
|
_this.ctx,
|
v.location[0].x / _this.showProportion,
|
v.location[0].y / _this.showProportion,
|
v.location[1].x / _this.showProportion,
|
v.location[1].y / _this.showProportion,
|
20,
|
30,
|
"yellow"
|
)
|
_this.canvas.style.cursor = "default"
|
})
|
_this.canvasData.polygon.forEach(function(v, i) {
|
if (v.location.length === 0) {
|
return
|
}
|
_this.ctx.strokeStyle = "yellow"
|
_this.ctx.beginPath()
|
_this.ctx.moveTo(v.location[0].x / _this.showProportion, v.location[0].y / _this.showProportionY)
|
for (let i = 1; i < v.location.length; i++) {
|
_this.ctx.lineTo(v.location[i].x / _this.showProportion, v.location[i].y / _this.showProportionY)
|
}
|
_this.ctx.closePath()
|
_this.ctx.stroke()
|
_this.canvas.style.cursor = "default"
|
})
|
},
|
|
// 箭头绘制函数
|
drawArrow(ctx, fromX, fromY, toX, toY, theta = 30, headlen = 10, width = 1, color = "yellow") {
|
// ctx：Canvas绘图环境
|
// fromX, fromY：起点坐标（也可以换成p1，只不过它是一个数组）
|
// toX, toY：终点坐标 (也可以换成p2，只不过它是一个数组)
|
// theta：三角斜边一直线夹角
|
// headlen：三角斜边长度
|
// width：箭头线宽度
|
// color：箭头颜色
|
// theta = typeof theta !== "undefined" ? theta : 30;
|
// headlen = typeof theta !== "undefined" ? headlen : 10;
|
// width = typeof width !== "undefined" ? width : 1;
|
// color = typeof color !== "undefined" ? color : "yellow";
|
// 计算各角度和对应的P2,P3坐标
|
let angle = (Math.atan2(fromY - toY, fromX - toX) * 180) / Math.PI
|
let angle1 = ((angle + theta) * Math.PI) / 180
|
let angle2 = ((angle - theta) * Math.PI) / 180
|
let topX = headlen * Math.cos(angle1)
|
let topY = headlen * Math.sin(angle1)
|
let botX = headlen * Math.cos(angle2)
|
let botY = headlen * Math.sin(angle2)
|
|
ctx.save()
|
ctx.beginPath()
|
let arrowX = fromX - topX
|
let arrowY = fromY - topY
|
ctx.moveTo(arrowX, arrowY)
|
ctx.moveTo(fromX, fromY)
|
ctx.lineTo(toX, toY)
|
arrowX = toX + topX
|
arrowY = toY + topY
|
ctx.moveTo(arrowX, arrowY)
|
ctx.lineTo(toX, toY)
|
arrowX = toX + botX
|
arrowY = toY + botY
|
ctx.lineTo(arrowX, arrowY)
|
ctx.strokeStyle = color
|
ctx.lineWidth = width
|
ctx.stroke()
|
ctx.restore()
|
},
|
|
// 回显图形备注
|
showRemarks(x, y, remarks) {
|
this.ctx.moveTo(x, y - 10) // 因为放大之后是y-20，所以缩小版的为y-10
|
this.ctx.fillStyle = "green" // 设置填充颜色为绿色
|
this.ctx.font = '10px "微软雅黑"' // 设置字体
|
this.ctx.textBaseline = "bottom" // 设置字体底线对齐绘制基线
|
this.ctx.textAlign = "left" // 设置字体对齐的方式
|
this.ctx.fillText(remarks, x, y - 10) // 填充文字
|
},
|
getCanvasData(data) {
|
let polyon = { ...data }
|
polyon.camera_id = this.Camera.cameraId
|
savePolygon(polyon).then((rsp) => {
|
this.Camera.getPolygon()
|
this.Camera.getCameraTask()
|
})
|
},
|
setWidthHeight() {
|
this.canvasWidth = this.$refs.videoPlayer.offsetWidth
|
this.canvasHeight = this.$refs.videoPlayer.offsetHeight
|
console.log(this.canvasWidth, this.canvasHeight)
|
},
|
async initArea() {
|
console.log("init")
|
const res = await getAllPolygon({ cameraId: this.TreeDataPool.selectedNode.id })
|
this.canvasData.line = res.data.line
|
this.canvasData.rect = res.data.rect
|
this.canvasData.arrow = res.data.arrow
|
this.canvasData.polygon = res.data.polygon
|
console.log(this.canvasData)
|
this.clickSelect(this.canvasData)
|
},
|
initAlgoDataWebScoket() {
|
if (typeof WebSocket === "undefined") {
|
console.log("error,您的浏览器不支持socket")
|
} else {
|
this.algoDataSocket = new WebSocket()
|
this.algoDataSocket.onopen = () => {
|
console.log("socket连接成功")
|
}
|
this.algoDataSocket.onerror = () => {
|
console.log("连接错误")
|
}
|
this.algoDataSocket.onmessage = (msg) => {
|
console.log(msg)
|
}
|
}
|
}
|
}
|
}
|
</script>
|
|
<style lang="scss">
|
#area-canvas {
|
background: transparent;
|
position: absolute;
|
top: 0;
|
left: 0;
|
padding: 0;
|
width: 100%;
|
height: 100%;
|
}
|
|
video {
|
object-fit: fill;
|
width: 100%;
|
height: 100%;
|
}
|
.video-player {
|
position: relative;
|
width: 100%;
|
height: 100%;
|
.controls {
|
display: none;
|
position: absolute;
|
bottom: 0%;
|
color: #fff;
|
width: 100%;
|
height: 10%;
|
background: -webkit-linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.9));
|
|
i {
|
float: right;
|
font-size: 15px;
|
margin-right: 7%;
|
cursor: pointer;
|
}
|
i:hover {
|
color: rgb(236, 235, 235);
|
-moz-box-shadow: 2px 2px 7px #000;
|
-webkit-box-shadow: 2px 2px 7px #000;
|
box-shadow: 2px 2px 7px #000;
|
}
|
}
|
}
|
|
.video-player:hover {
|
.controls {
|
display: block;
|
}
|
}
|
</style>
|
