控制轮询

ZZJ

2022-07-15 a3f357e8a60443b74b64c7479113c68eb35ce1f5

 src/components/wasmPlayer/index.vue

@@ -9,16 +9,11 @@
    ></canvas>
    <div class="container" id="videoPlayer">
      <div class="canvasDiv">
        <div class="loadEffect" id="loading" style="display:none;">
          <span></span>
          <span></span>
          <span></span>
          <span></span>
          <span></span>
          <span></span>
          <span></span>
          <span></span>
        </div>
        <div
          v-loading="videoLoading"
          element-loading-background="rgba(0, 0, 0, 0.8)"
          style="position: unset !important"
        ></div>
        <canvas
          ref="playCanvas"
          id="paly-canvas"
@@ -26,6 +21,12 @@
          height="540"
        ></canvas>
      </div>

      <transition name="fade">
        <div class="popuptext" id="myPopup" v-if="fullScreenNotice">
          资源下载中,请稍后...
        </div>
      </transition>

      <!-- 控制条 -->
      <section
@@ -56,7 +57,7 @@
        </div>

        <!-- 声音 -->
        <b class="jsmodern-video-volume"></b>
        <!-- <b class="jsmodern-video-volume"></b> -->
        <!-- <div class="jsmodern-video-volumebox">
          <div class="jsmodern-video-volumeline"></div>
          <b class="jsmodern-video-volumedot"></b>
@@ -68,6 +69,13 @@
          @click="fullScreen"
          :disable="false"
        ></b>

        <!-- 下载 -->
        <i
          class="el-icon-download jsmodern-video-download"
          @click="downLoad"
          v-show="!isStream"
        ></i>
      </section>

      <!-- 大播放按钮 -->
@@ -85,6 +93,13 @@
        <span class="video-next" v-show="showNext">
          <i class="el-icon-arrow-right" @click="playNext"></i>
        </span>

        <!-- 播放失败 -->
        <span class="video-error" v-show="playerStatus == -1">
          <i class="el-icon-warning-outline" style="font-size: 40px"></i>
          <br />
          视频加载失败 无效的视频地址
        </span>
      </div>
    </div>
  </div>
@@ -94,31 +109,31 @@
/*
  2021.09.22 添加多个录像地址的处理, 与录像模块约定, 用 || 分割多个视频地址, 前端处理播放.
*/
import { Player } from './wasm/player'
import VideoRuleData from '@/Pool/VideoRuleData'
import { getAllPolygon } from '@/api/polygon'
import { Player } from "./wasm/player";
import VideoRuleData from "@/Pool/VideoRuleData";
import { getAllPolygon } from "@/api/polygon";
export default {
  name: 'CameraPlayer',
  name: "CameraPlayer",
  props: {
    videoUrl: {
      type: String,
      // default: "ws://192.168.1.182:10101/ws"
      default: `${location.protocol === 'https' ? 'wss' : 'ws'}://${
      default: `${location.protocol === "https" ? "wss" : "ws"}://${
        location.host
      }/ws`,
    },
    cameraName: {
      type: String,
      default: '',
      default: "",
    },
    cameraID: {
      type: String,
      default: 'C4668FD0-3CAE-C31F-C21E-28B7001243C4',
      default: "C4668FD0-3CAE-C31F-C21E-28B7001243C4",
    },
    rtspUrl: {
      type: String,
      default:
        'rtsp://admin:a1234567@192.168.1.201:554/h264/ch1/main/av_stream',
        "rtsp://admin:a1234567@192.168.1.201:554/h264/ch1/main/av_stream",
    },
    isRunning: {
      type: Boolean,
@@ -136,24 +151,32 @@
      type: Boolean,
      default: true,
    },
    autoPlay: {
      type: Boolean,
      default: false,
    },
    preload: {
      type: Boolean,
      default: true,
    },
  },

  computed: {
    poster() {
      return '/images/player/player_poster.gif?t=' + Math.random()
      return "/images/player/player_poster.gif?t=" + Math.random();
    },
    showPrev() {
      return this.playerIndex - 1 >= 0
      return this.playerIndex - 1 >= 0;
    },
    showNext() {
      return this.playerIndex + 1 < this.videoUrls.length
      return this.playerIndex + 1 < this.videoUrls.length;
    },
  },
  data() {
    return {
      player: null,
      playerId: 0,
      Camera: new VideoRuleData(),
      Camera: new VideoRuleData(this.isGb),
      showCanvas: true,
      canvasData: {
        line: [],
@@ -175,120 +198,115 @@
      playerStatus: 0,
      videoUrls: [],
      playerIndex: 0,
    }
      isEmptyUrl: false,
      videoLoading: false,
      loadUrl: "",
      isFullScreen: false,
      fullScreenNotice: false,
    };
  },
  watch: {
    rtspUrl: function(newVal, oldVal) {
    rtspUrl: function (newVal, oldVal) {
      if (newVal !== oldVal) {
        if (this.player) {
          this.player.stop()
          !!this.algoDataSocket && this.algoDataSocket.close()
          this.player.stop();
          !!this.algoDataSocket && this.algoDataSocket.close();
        }
        this.$nextTick(() => {
          this.playVideo()
        })
          this.playVideo();
        });
      }
    },
    videoUrl: function (newVal, oldVal) {
      if (newVal !== oldVal) {
        if (this.player) {
          this.player.stop();
        }
        this.$nextTick(() => {
          this.player.preloadFlag = 0;
          this.playVideo();
        });
      }
    },
  },
  mounted() {
    this.player = new Player()

    // 录像URL处理, 可能存在多个录像地址
    if (!this.isStream) {
      this.videoUrls = this.videoUrl.split('||')
    }
    this.player = new Player();
    this.player.preload = this.preload;
    this.player.statusCallback = this.setPlayerStatus;

    if (this.isStream) {
      this.playVideo()
      this.playVideo();
      this.$nextTick(() => {
        this.canvas = this.$refs.areaCanvas
        this.ctx = this.canvas.getContext('2d')
        this.ctx.lineWidth = 1
        this.initArea()
      })
        this.canvas = this.$refs.areaCanvas;
        this.ctx = this.canvas.getContext("2d");
        this.ctx.lineWidth = 1;
        this.initArea();
      });
    } else {
      // 录像URL处理, 可能存在多个录像地址
      if (this.videoUrl === "") {
        this.playerStatus = -1;
        return;
      }

      this.videoUrls = this.videoUrl.split("||");

      if (this.autoPlay || this.preload) {
        this.playVideo();
      }
    }
  },
  beforeDestroy() {
    this.player.stop()
    this.player.stop();
  },
  methods: {
    checkConnect(id) {
      if (id !== this.playerId) {
        return
      }

      if (this.wfs.websocketLoader && this.wfs.websocketLoader.client) {
        if (this.wfs.websocketLoader.client.disconnected) {
          this.playVideo()
          console.log('实时视频已断开，正在重连')
          return
        }
      }

      let _this = this
      setTimeout(() => {
        _this.checkConnect(id)
      }, 10000)
    },
    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
    },
    // 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.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.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.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,
@@ -297,30 +315,31 @@
          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
          "yellow"
        );
        _this.canvas.style.cursor = "default";
      });
      _this.canvasData.polygon.forEach(function (v, i) {
        if (v.location && v.location.length === 0) {
          return;
        }
        _this.ctx.strokeStyle = 'yellow'
        _this.ctx.beginPath()

        _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'
      })
        _this.ctx.closePath();
        _this.ctx.stroke();
        _this.canvas.style.cursor = "default";
      });
    },

    // 箭头绘制函数
@@ -333,7 +352,7 @@
      theta = 30,
      headlen = 10,
      width = 1,
      color = 'yellow'
      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）
@@ -347,96 +366,95 @@
      // 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)
      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()
      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
      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
      let polyon = { ...data };
      polyon.camera_id = this.Camera.cameraId;
      savePolygon(polyon).then((rsp) => {
        this.Camera.getPolygon()
        this.Camera.getCameraTask()
      })
        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)
      this.canvasWidth = this.$refs.videoPlayer.offsetWidth;
      this.canvasHeight = this.$refs.videoPlayer.offsetHeight;
    },
    async initArea() {
      if (!this.showCanvas) {
        return
        return;
      }

      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
      this.clickSelect(this.canvasData)
      });
      this.canvasData.line = res.data.line;
      this.canvasData.rect = res.data.rect;
      this.canvasData.arrow = res.data.arrow;
      this.canvasData.polygon = res.data.polygon;
      this.clickSelect(this.canvasData);
    },
    initAlgoDataWebScoket() {
      if (typeof WebSocket === 'undefined') {
        console.log('error,您的浏览器不支持socket')
      if (typeof WebSocket === "undefined") {
        console.log("error,您的浏览器不支持socket");
      } else {
        this.algoDataSocket = new WebSocket()
        this.algoDataSocket = new WebSocket();
        this.algoDataSocket.onopen = () => {
          console.log('socket连接成功')
        }
          console.log("socket连接成功");
        };
        this.algoDataSocket.onerror = () => {
          console.log('连接错误')
        }
          console.log("连接错误");
        };
        this.algoDataSocket.onmessage = (msg) => {
          console.log(msg)
        }
          console.log(msg);
        };
      }
    },
    playVideo() {
      if (this.isStream && this.rtspUrl == '') {
        return
      if (this.isStream && this.rtspUrl == "") {
        return;
      }

      let payload = ''
      let url = ''
      let payload = "";
      let url = "";
      if (this.isStream) {
        if (this.cameraID == '') {
          this.cameraID = this.getUuid()
        if (this.cameraID == "") {
          this.cameraID = this.getUuid();
        }

        payload = JSON.stringify({
@@ -444,17 +462,14 @@
          rtspUrl: this.rtspUrl,
          isRunning: this.isRunning,
          isGb28181: this.isGb,
        })
        });

        url = this.videoUrl
        url = this.videoUrl;
      } else {
        url = '/httpImage/' + this.videoUrls[this.playerIndex]
        url = "/httpImage/" + this.videoUrls[this.playerIndex];
      }

      if (url == '') {
        return
      }

      this.videoLoading = true;
      if (this.player.hPlayer == 0) {
        this.player.play(
          url,
@@ -462,43 +477,105 @@
          this.isStream,
          this.$refs.timeTrack,
          this.$refs.timeLabel,
          payload
        )
          payload,
          () => {
            this.videoLoading = false;
          }
        );
      } else if (this.player.PlayOrPause == 0) {
        this.player.resume()
        this.player.resume();
        this.videoLoading = false;
      } else {
        this.player.pause()
        this.player.pause();
        this.videoLoading = false;
      }

      this.playerStatus = this.player.PlayOrPause
      let randomId = this.getUuid()
      this.checkConnect(randomId)
      this.playerStatus = this.player.PlayOrPause;

      this.loadUrl = url;
    },

    setPlayerStatus(stat) {
      this.videoLoading = false;
      // 控制加载后的播放按钮状态，实时流为自动播放，视频为preload
      this.playerStatus = this.isStream ? 1 : 0;
    },
    stopVideo() {
      if (this.player.hPlayer == 0) return
      if (this.player.hPlayer == 0) return;

      this.player.stop()
      this.player.stop();
    },

    fullScreen() {
      this.player.fullscreen()
      if (!this.isFullScreen) {
        this.player.fullscreen();
      } else {
        this.player.exitfullscreen();
      }
      this.isFullScreen = !this.isFullScreen;
    },

    async downLoad() {
      if (!this.loadUrl) {
        this.$notify.info({
          title: "消息",
          message: "下载失败，无效的视频地址",
        });
        return;
      }

      if (this.isFullScreen) {
        /* const screen = this.player.webglPlayer.canvas.parentNode
       var p = document.createElement("p");
        var txt = document.createTextNode("资源下载中,请稍后...");
        p.appendChild(txt);
       p.classList.add("downloadNotice");
        screen.appendChild(p); */
        this.fullScreenNotice = true;
        setTimeout(() => {
          this.fullScreenNotice = false;
        }, 2000);
      } else {
        this.$notify.info({
          title: "消息",
          message: `资源下载中,请稍后...`,
        });
      }

      let url = "http://" + window.location.host + this.loadUrl;

      // let url = "http://localhost:8080/httpImage/192.168.20.189:6700/283,2f49bf283ad7?collection=2021-09-28-DSVAD010120190703-video"
      let name = url.substring(url.lastIndexOf("/") + 1);
      let responsePromise = await fetch(url);
      let blob = await responsePromise.blob();
      let objectURL = window.URL.createObjectURL(blob);
      let a = document.createElement("a");
      a.href = objectURL;
      a.download = name;
      a.click();
      a.remove();
      /*  let url = 'http:/'+this.loadUrl.substring(10)
    let link = document.createElement("a"); //创建a标签
    let name = url.substring(url.lastIndexOf("/") + 1) 
    link.style.display = "none"; //使其隐藏
    link.href = url; //赋予文件下载地址
    link.setAttribute("download", name); //设置下载属性 以及文件名
    document.body.appendChild(link); //a标签插至页面中
    link.click(); //强制触发a标签事件 */
    },

    playPrev() {
      this.playerIndex--
      this.player.stop()
      this.playVideo()
      this.playerIndex--;
      this.player.stop();
      this.playVideo();
    },

    playNext() {
      this.playerIndex++
      this.player.stop()
      this.playVideo()
      console.log(this.playerIndex, this.videoUrls.length)
      this.playerIndex++;
      this.player.stop();
      this.playVideo();
    },
  },
}
};
</script>

<style lang="scss">
@@ -512,7 +589,9 @@
  width: 100%;
  height: 100%;
}

#area-canvas {
  z-index: 1;
}
video {
  object-fit: fill;
  width: 100%;
@@ -529,7 +608,7 @@
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 2147483648;
    z-index: 100;
    width: 100%;
    height: 40px;
    line-height: 40px;
@@ -554,9 +633,9 @@
    background: rgba(255, 255, 255, 0.25);
    border-radius: 3px;
    width: 460px;
    width: -webkit-calc(100% - 220px);
    width: -moz-calc(100% - 220px);
    width: calc(100% - 220px);
    width: -webkit-calc(100% - 215px);
    width: -moz-calc(100% - 215px);
    width: calc(100% - 215px);
    float: left;
    margin: 19px 0 0 65px;
    position: relative;
@@ -700,6 +779,14 @@
    opacity: 0.5;
    cursor: default;
  }

  .el-icon-download {
    font-size: 24px;
    width: 18px;
    height: 18px;
    margin-top: 7px;
    margin-left: -12px;
  }
}

.video-player:hover {
@@ -737,4 +824,50 @@
.video-next {
  right: 0px;
}

.video-error {
  position: absolute;
  top: 35%;
  left: 30%;
  font-size: 14px;
  color: #fff;
}

.downloadNotice {
  position: absolute;
  height: 200px;
  width: 200px;
  background-color: pink;
}

.popuptext {
  /* display:none; */
  height: 50px;
  line-height: 50px;
  font-size: 20px;
  background-color: #555;
  opacity: 0.8;
  color: #fff;
  text-align: center;
  border-radius: 25px;
  position: relative;
  top: 30px;
  z-index: 1;
}

.fade-enter {
  opacity: 0;
}
.fade-enter-active {
  transition: opacity 0.5s;
}
.fade-leave-to {
  opacity: 0;
}
.fade-leave-active {
  transition: opacity 3s;
}
.canvasDiv .el-loading-mask {
  z-index: 1000 !important;
}
</style>