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heyujie

2021-10-11 ae2d855c89ca722ac7309fdf1aa6ceed370e3b95

 src/components/wasmPlayer/index.vue

@@ -9,23 +9,22 @@
    ></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>
        <canvas
        <div
          v-loading="videoLoading"
          element-loading-background="rgba(0, 0, 0, 0.8)"
          style="position: unset !important"
        ></div>       
          <canvas
          ref="playCanvas"
          id="paly-canvas"
          width="960"
          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
@@ -68,6 +67,12 @@
          @click="fullScreen"
          :disable="false"
        ></b>

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

      <!-- 大播放按钮 -->
@@ -84,6 +89,13 @@
        <!-- 下一个 -->
        <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>
@@ -136,6 +148,14 @@
      type: Boolean,
      default: true,
    },
    autoPlay: {
      type: Boolean,
      default: false,
    },
    preload: {
      type: Boolean,
      default: true,
    },
  },

  computed: {
@@ -175,6 +195,11 @@
      playerStatus: 0,
      videoUrls: [],
      playerIndex: 0,
      isEmptyUrl: false,
      videoLoading: false,
      loadUrl:'',
      isFullScreen:false,
      fullScreenNotice:false
    }
  },
  watch: {
@@ -192,11 +217,8 @@
  },
  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.preload = this.preload
    this.player.statusCallback = this.setPlayerStatus

    if (this.isStream) {
      this.playVideo()
@@ -206,42 +228,24 @@
        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()
  },
  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) {
@@ -451,10 +455,7 @@
        url = '/httpImage/' + this.videoUrls[this.playerIndex]
      }

      if (url == '') {
        return
      }

      this.videoLoading = true
      if (this.player.hPlayer == 0) {
        this.player.play(
          url,
@@ -462,19 +463,27 @@
          this.isStream,
          this.$refs.timeTrack,
          this.$refs.timeLabel,
          payload
          payload,
          () => {
            this.videoLoading = false
          }
        )
      } else if (this.player.PlayOrPause == 0) {
        this.player.resume()
        this.videoLoading = false
      } else {
        this.player.pause()
        this.videoLoading = false
      }

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

      this.loadUrl = url
    },
    setPlayerStatus(stat) {
      this.videoLoading = false
      this.playerStatus = stat
    },
    stopVideo() {
      if (this.player.hPlayer == 0) return

@@ -482,7 +491,62 @@
    },

    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() {
@@ -495,7 +559,6 @@
      this.playerIndex++
      this.player.stop()
      this.playVideo()
      console.log(this.playerIndex, this.videoUrls.length)
    },
  },
}
@@ -529,7 +592,7 @@
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 2147483648;
    z-index: 100;
    width: 100%;
    height: 40px;
    line-height: 40px;
@@ -554,9 +617,9 @@
    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% - 260px);
    width: -moz-calc(100% - 260px);
    width: calc(100% - 260px);
    float: left;
    margin: 19px 0 0 65px;
    position: relative;
@@ -700,6 +763,15 @@
    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 +809,50 @@
.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: .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 .5s;
      }
      .fade-leave-to{
         opacity: 0;
      }
      .fade-leave-active{
         transition: opacity 3s;
    }
 .canvasDiv .el-loading-mask {
   z-index: 1000 !important;
 }
</style>