perf(jessibuca): 升级 jessibuca 2023-03-8 v3.1.28 版本, 修改 jessibuca 参数使用硬解码优化播...

xiaoQQya

2023-03-13 84595e0c8402f4ce83f6a2c3431a671462ddeebb

 web_src/src/components/channelList.vue

@@ -1,347 +1,479 @@
<template>
<div id="channelList">
    <el-container>
  <div id="channelList" style="width: 100%">
    <div class="page-header">
      <div class="page-title">
        <el-button icon="el-icon-back" size="mini" style="font-size: 20px; color: #000;" type="text" @click="showDevice" ></el-button>
        <el-divider direction="vertical"></el-divider>
        通道列表
      </div>
      <div class="page-header-btn">
        <div v-if="!showTree" style="display: inline;">
          搜索:
          <el-input @input="search" style="margin-right: 1rem; width: auto;" size="mini" placeholder="关键字"
                    prefix-icon="el-icon-search" v-model="searchSrt" clearable></el-input>

        <el-header>
            <uiHeader></uiHeader>
        </el-header>
        <el-main>
            <div style="background-color: #FFFFFF; position: relative; padding: 1rem 0.5rem 0.5rem 0.5rem; text-align: center;">
                <span style="font-size: 1rem; font-weight: 500; ">通道列表({{parentChannelId ==0 ? deviceId:parentChannelId}})</span>

          通道类型:
          <el-select size="mini" @change="search" style="margin-right: 1rem;" v-model="channelType" placeholder="请选择"
                     default-first-option>
            <el-option label="全部" value=""></el-option>
            <el-option label="设备" value="false"></el-option>
            <el-option label="子目录" value="true"></el-option>
          </el-select>
          在线状态:
          <el-select size="mini" style="margin-right: 1rem;" @change="search" v-model="online" placeholder="请选择"
                     default-first-option>
            <el-option label="全部" value=""></el-option>
            <el-option label="在线" value="true"></el-option>
            <el-option label="离线" value="false"></el-option>
          </el-select>
        </div>
      <el-button icon="el-icon-refresh-right" circle size="mini" @click="refresh()"></el-button>
      <el-button v-if="showTree" icon="iconfont icon-list" circle size="mini" @click="switchList()"></el-button>
      <el-button v-if="!showTree"  icon="iconfont icon-tree" circle size="mini" @click="switchTree()"></el-button>
    </div>
  </div>
  <devicePlayer ref="devicePlayer" ></devicePlayer>
  <el-container v-loading="isLoging" style="height: 82vh;">
    <el-aside width="auto" style="height: 82vh; background-color: #ffffff; overflow: auto" v-if="showTree" >
      <DeviceTree ref="deviceTree" :device="device" :onlyCatalog="true" :clickEvent="treeNodeClickEvent" ></DeviceTree>
    </el-aside>
    <el-main style="padding: 5px;">
      <el-table ref="channelListTable" :data="deviceChannelList" :height="winHeight" style="width: 100%" header-row-class-name="table-header">
        <el-table-column prop="channelId" label="通道编号" min-width="200">
        </el-table-column>
        <el-table-column prop="deviceId" label="设备编号" min-width="200">
        </el-table-column>
        <el-table-column prop="name" label="通道名称" min-width="200">
        </el-table-column>
        <el-table-column label="快照" min-width="120">
          <template v-slot:default="scope">
            <el-image
              :src="getSnap(scope.row)"
              :preview-src-list="getBigSnap(scope.row)"
              @error="getSnapErrorEvent(scope.row.deviceId, scope.row.channelId)"
              :fit="'contain'"
              style="width: 60px">
              <div slot="error" class="image-slot">
                <i class="el-icon-picture-outline"></i>
              </div>
            </el-image>
          </template>
        </el-table-column>
        <el-table-column prop="subCount" label="子节点数" min-width="120">
        </el-table-column>
        <el-table-column prop="manufacture" label="厂家" min-width="120">
        </el-table-column>
        <el-table-column label="位置信息"  min-width="200">
          <template slot-scope="scope">
            <span v-if="scope.row.longitude*scope.row.latitude > 0">{{ scope.row.longitude }},<br>{{ scope.row.latitude }}</span>
            <span v-if="scope.row.longitude*scope.row.latitude === 0">无</span>
          </template>
        </el-table-column>
        <el-table-column prop="ptztypeText" label="云台类型" min-width="120"/>
        <el-table-column label="开启音频" min-width="120">
          <template slot-scope="scope">
            <el-switch @change="updateChannel(scope.row)" v-model="scope.row.hasAudio" active-color="#409EFF">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="状态" min-width="120">
          <template slot-scope="scope">
            <div slot="reference" class="name-wrapper">
              <el-tag size="medium" v-if="scope.row.status === 1">在线</el-tag>
              <el-tag size="medium" type="info" v-if="scope.row.status === 0">离线</el-tag>
            </div>
            <div style="background-color: #FFFFFF; margin-bottom: 1rem; position: relative; padding: 0.5rem; text-align: left;font-size: 14px;">
                <el-button icon="el-icon-arrow-left" size="mini" style="margin-right: 1rem;" type="primary" @click="showDevice">返回</el-button>
                搜索: <el-input @input="search" style="margin-right: 1rem; width: auto;" size="mini" placeholder="关键字" prefix-icon="el-icon-search" v-model="searchSrt" clearable> </el-input>
          </template>
        </el-table-column>

                通道类型: <el-select size="mini" @change="search" style="margin-right: 1rem;" v-model="channelType" placeholder="请选择" default-first-option>
                    <el-option label="全部" value=""></el-option>
                    <el-option label="设备" value="false"></el-option>
                    <el-option label="子目录" value="true"></el-option>
                </el-select>
                在线状态: <el-select size="mini" @change="search" v-model="online" placeholder="请选择" default-first-option>
                    <el-option label="全部" value=""></el-option>
                    <el-option label="在线" value="on"></el-option>
                    <el-option label="离线" value="off"></el-option>
                </el-select>

            </div>
            <devicePlayer ref="devicePlayer"></devicePlayer>
            <!--设备列表-->
            <el-table ref="channelListTable" :data="deviceChannelList" :height="winHeight" border style="width: 100%">
                <el-table-column prop="channelId" label="通道编号" width="210">
                </el-table-column>
                <el-table-column prop="name" label="通道名称">
                </el-table-column>
                <el-table-column prop="subCount" label="子节点数">
                </el-table-column>
                <el-table-column label="开启音频" align="center">
                    <template slot-scope="scope">
                        <el-switch @change="updateChannel(scope.row)" v-model="scope.row.hasAudio" active-color="#409EFF">
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="状态" width="180" align="center">
                    <template slot-scope="scope">
                        <div slot="reference" class="name-wrapper">
                            <el-tag size="medium" v-if="scope.row.status == 1">在线</el-tag>
                            <el-tag size="medium" type="info" v-if="scope.row.status == 0">离线</el-tag>
                        </div>
                    </template>
                </el-table-column>
                <el-table-column prop="ptztypeText" label="云台类型">
                </el-table-column>
                <el-table-column label="操作" width="280" align="center" fixed="right">
                    <template slot-scope="scope">
                        <el-button-group>
                            <!-- <el-button size="mini" icon="el-icon-video-play" v-if="scope.row.parental == 0" @click="sendDevicePush(scope.row)">播放</el-button> -->
                            <el-button size="mini" icon="el-icon-video-play" @click="sendDevicePush(scope.row)">播放</el-button>
                            <el-button size="mini" icon="el-icon-switch-button" type="danger" v-if="scope.row.play" @click="stopDevicePush(scope.row)">停止</el-button>
                            <el-button size="mini" icon="el-icon-s-open" type="primary" v-if="scope.row.parental == 1" @click="changeSubchannel(scope.row)">查看</el-button>
                            <!--                  <el-button size="mini" icon="el-icon-video-camera" type="primary" >设备录象</el-button>-->
                            <!-- <el-button size="mini" @click="sendDevicePush(scope.row)">录像查询</el-button> -->
                        </el-button-group>
                    </template>
                </el-table-column>
            </el-table>
            <el-pagination style="float: right" @size-change="handleSizeChange" @current-change="currentChange" :current-page="currentPage" :page-size="count" :page-sizes="[15, 20, 30, 50]" layout="total, sizes, prev, pager, next" :total="total">
            </el-pagination>
        <el-table-column label="操作" min-width="280" fixed="right">
          <template slot-scope="scope">
            <el-button size="medium" v-bind:disabled="device == null || device.online === 0" icon="el-icon-video-play" type="text" @click="sendDevicePush(scope.row)">播放</el-button>
            <el-button size="medium" v-bind:disabled="device == null || device.online === 0" icon="el-icon-switch-button" type="text"  style="color: #f56c6c" v-if="!!scope.row.streamId"
                       @click="stopDevicePush(scope.row)">停止
            </el-button>
            <el-divider direction="vertical"></el-divider>
            <el-button size="medium" icon="el-icon-s-open" type="text" v-if="scope.row.subCount > 0 || scope.row.parental === 1"
                       @click="changeSubchannel(scope.row)">查看
            </el-button>
            <el-divider v-if="scope.row.subCount > 0 || scope.row.parental === 1" direction="vertical"></el-divider>
            <el-button size="medium" v-bind:disabled="device == null || device.online === 0" icon="el-icon-video-camera" type="text" @click="queryRecords(scope.row)">设备录像
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        style="float: right"
        @size-change="handleSizeChange"
        @current-change="currentChange"
        :current-page="currentPage"
        :page-size="count"
        :page-sizes="[15, 25, 35, 50]"
        layout="total, sizes, prev, pager, next"
        :total="total">
      </el-pagination>
    </el-main>
  </el-container>

        </el-main>
    </el-container>
    <Loading v-if="isLoging" marginTop="-50%"></Loading>
</div>
  <!--设备列表-->

  </div>
</template>

<script>
import devicePlayer from './gb28181/devicePlayer.vue'
import uiHeader from './UiHeader.vue'
import Loading from './Loading.vue'
import devicePlayer from './dialog/devicePlayer.vue'
import uiHeader from '../layout/UiHeader.vue'
import moment from "moment";
import DeviceService from "./service/DeviceService";
import DeviceTree from "./common/DeviceTree";

export default {
    name: 'channelList',
    components: {
        devicePlayer,
        uiHeader,
        Loading
  name: 'channelList',
  components: {
    devicePlayer,
    uiHeader,
    DeviceTree
  },
  data() {
    return {
      deviceService: new DeviceService(),
      device: null,
      deviceId: this.$route.params.deviceId,
      parentChannelId: this.$route.params.parentChannelId,
      deviceChannelList: [],
      videoComponentList: [],
      currentPlayerInfo: {}, //当前播放对象
      updateLooper: 0, //数据刷新轮训标志
      searchSrt: "",
      channelType: "",
      online: "",
      winHeight: window.innerHeight - 200,
      currentPage: 1,
      count: 15,
      total: 0,
      beforeUrl: "/deviceList",
      isLoging: false,
      showTree: false,
      loadSnap: {}
    };
  },

  mounted() {
    if (this.deviceId) {
      this.deviceService.getDevice(this.deviceId, (result)=>{
          this.device = result;

      }, (error)=>{
        console.log("获取设备信息失败")
        console.error(error)
      })
    }
    this.initData();

  },
  destroyed() {
    this.$destroy('videojs');
    clearTimeout(this.updateLooper);
  },
  methods: {
    initData: function () {
      if (typeof (this.parentChannelId) == "undefined" || this.parentChannelId == 0) {
        this.getDeviceChannelList();
      } else {
        this.showSubchannels();
      }
    },
    data() {
        return {
            deviceId: this.$route.params.deviceId,
            parentChannelId: this.$route.params.parentChannelId,
            deviceChannelList: [],
            videoComponentList: [],
            currentPlayerInfo: {}, //当前播放对象
            updateLooper: 0, //数据刷新轮训标志
            searchSrt: "",
            channelType: "",
            online: "",
            winHeight: window.innerHeight - 250,
            currentPage: parseInt(this.$route.params.page),
            count: parseInt(this.$route.params.count),
            total: 0,
            beforeUrl: "/videoList",
            isLoging: false
        };
    initParam: function () {
      this.deviceId = this.$route.params.deviceId;
      this.parentChannelId = this.$route.params.parentChannelId;
      this.currentPage = 1;
      this.count = 15;
      if (this.parentChannelId == "" || this.parentChannelId == 0) {
        this.beforeUrl = "/deviceList"
      }

    },

    mounted() {
        this.initData();
        // this.updateLooper = setInterval(this.initData, 10000);
    currentChange: function (val) {
      this.currentPage = val;
      this.initData();
    },
    destroyed() {
        this.$destroy('videojs');
        clearTimeout(this.updateLooper);
    handleSizeChange: function (val) {
      this.count = val;
      this.getDeviceChannelList();
    },
    methods: {
        initData: function () {
            if (this.parentChannelId == "" || this.parentChannelId == 0) {
                this.getDeviceChannelList();
            } else {
                this.showSubchannels();
            }

        },
        initParam: function () {
            this.deviceId = this.$route.params.deviceId;
            this.parentChannelId = this.$route.params.parentChannelId;
            this.currentPage = parseInt(this.$route.params.page);
            this.count = parseInt(this.$route.params.count);
            if (this.parentChannelId == "" || this.parentChannelId == 0) {
                this.beforeUrl = "/videoList"
            }

        },
        currentChange: function (val) {
            var url = `/${this.$router.currentRoute.name}/${this.deviceId}/${this.parentChannelId}/${this.count}/${val}`
            console.log(url)
            this.$router.push(url).then(() => {
                this.initParam();
                this.initData();
            })
        },
        handleSizeChange: function (val) {
            var url = `/${this.$router.currentRoute.name}/${this.$router.params.deviceId}/${this.$router.params.parentChannelId}/${val}/1`
            this.$router.push(url).then(() => {
                this.initParam();
                this.initData();
            })

        },
        getDeviceChannelList: function () {
            let that = this;
            console.log(this.currentPage - 1)

            this.$axios.get(`/api/devices/${this.$route.params.deviceId}/channels`, {
                    params: {
                        page: that.currentPage - 1,
                        count: that.count,
                        query: that.searchSrt,
                        online: that.online,
                        channelType: that.channelType
                    }
                })
                .then(function (res) {
                    console.log(res);
                    that.total = res.data.total;
                    that.deviceChannelList = res.data.data;
                    // 防止出现表格错位
                    that.$nextTick(() => {
                        that.$refs.channelListTable.doLayout();
                    })
                })
                .catch(function (error) {
                    console.log(error);
                });

        },

        //gb28181平台对接
        //刷新设备信息
        refDevice: function (itemData) {
            ///api/devices/{deviceId}/sync
            console.log("刷新对应设备:" + itemData.deviceId);
            this.$axios({
                method: 'post',
                url: '/api/devices/' + itemData.deviceId + '/sync'
            }).then(function (res) {
                // console.log("刷新设备结果："+JSON.stringify(res));
            }).catch(function (e) {
                that.$message({
                    showClose: true,
                    message: '请求成功',
                    type: 'success'
                });
            });
        },
        //通知设备上传媒体流
        sendDevicePush: function (itemData) {
            console.log(itemData)
            let deviceId = this.deviceId;
            this.isLoging = true;
            let channelId = itemData.channelId;
            console.log("通知设备推流1：" + deviceId + " : " + channelId);
            let that = this;
            this.$axios({
                method: 'get',
                url: '/api/play/' + deviceId + '/' + channelId
            }).then(function (res) {
                console.log(res.data)
                let ssrc = res.data.ssrc;
                that.isLoging = false;
                if (!!ssrc) {
                    that.$refs.devicePlayer.play(res.data, deviceId, channelId, itemData.hasAudio);
                    that.initData();
                } else {
                    that.$message.error(res.data);
                }
            }).catch(function (e) {});
        },
        stopDevicePush: function (itemData) {
            console.log(itemData)
            var that = this;
            this.$axios({
                method: 'post',
                url: '/api/play/' + itemData.ssrc + '/stop'
            }).then(function (res) {
                console.log(JSON.stringify(res));
                that.initData();
            });
        },

        showDevice: function () {
            this.$router.push(this.beforeUrl).then(() => {
                this.initParam();
                this.initData();
            })
        },
        changeSubchannel(itemData) {
            console.log(this.$router.currentRoute)
            this.beforeUrl = this.$router.currentRoute.path;

            var url = `/${this.$router.currentRoute.name}/${this.$router.currentRoute.params.deviceId}/${itemData.channelId}/${this.$router.currentRoute.params.count}/1`
            this.$router.push(url).then(() => {
                this.searchSrt = "";
                this.channelType = "";
                this.online = "";
                this.initParam();
                this.initData();
            })
        },
        showSubchannels: function (channelId) {
            let that = this;

            this.$axios.get(`/api/subChannels/${this.deviceId}/${this.parentChannelId}/channels`, {
                    params: {
                        page: that.currentPage - 1,
                        count: that.count,
                        query: that.searchSrt,
                        online: that.online,
                        channelType: that.channelType
                    }
                })
                .then(function (res) {
                    that.total = res.data.total;
                    that.deviceChannelList = res.data.data;
                    // 防止出现表格错位
                    that.$nextTick(() => {
                        that.$refs.channelListTable.doLayout();
                    })
                })
                .catch(function (error) {
                    console.log(error);
                });
        },
        search: function () {
            console.log(this.searchSrt)
            this.currentPage = 1;
            this.total = 0;
            this.initData();
        },
        updateChannel: function (row) {
            console.log(row)
            this.$axios({
                method: 'post',
                url: `/api/channel/update/${this.deviceId}`,
                params: row
            }).then(function (res) {
                console.log(JSON.stringify(res));
            });
    getDeviceChannelList: function () {
      let that = this;
      if (typeof (this.$route.params.deviceId) == "undefined") return;
      this.$axios({
        method: 'get',
        url: `./api/device/query/devices/${this.$route.params.deviceId}/channels`,
        params: {
          page: that.currentPage,
          count: that.count,
          query: that.searchSrt,
          online: that.online,
          channelType: that.channelType
        }
      }).then(function (res) {
        if (res.data.code === 0) {
          that.total = res.data.data.total;
          that.deviceChannelList = res.data.data.list;
          // 防止出现表格错位
          that.$nextTick(() => {
            that.$refs.channelListTable.doLayout();
          })
        }

      }).catch(function (error) {
        console.log(error);
      });
    },

    //通知设备上传媒体流
    sendDevicePush: function (itemData) {
      let deviceId = this.deviceId;
      this.isLoging = true;
      let channelId = itemData.channelId;
      console.log("通知设备推流1：" + deviceId + " : " + channelId);
      let that = this;
      this.$axios({
        method: 'get',
        url: './api/play/start/' + deviceId + '/' + channelId
      }).then(function (res) {
        console.log(res)
        that.isLoging = false;
        if (res.data.code === 0) {

          setTimeout(() => {

            let snapId = deviceId + "_" + channelId;
            that.loadSnap[deviceId + channelId] = 0;
            that.getSnapErrorEvent(snapId)
          }, 5000)
          itemData.streamId = res.data.data.stream;
          that.$refs.devicePlayer.openDialog("media", deviceId, channelId, {
            streamInfo: res.data.data,
            hasAudio: itemData.hasAudio
          });
          setTimeout(() => {
            that.initData();
          }, 1000)

        }else{
          that.$message.error(res.data.msg);
        }
      }).catch(function (e) {
        console.error(e)
        that.isLoging = false;
        // that.$message.error("请求超时");
      });
    },
    queryRecords: function (itemData) {
      let deviceId = this.deviceId;
      let channelId = itemData.channelId;

      this.$router.push(`/gbRecordDetail/${deviceId}/${channelId}`)
    },
    stopDevicePush: function (itemData) {
      var that = this;
      this.$axios({
        method: 'get',
        url: './api/play/stop/' + this.deviceId + "/" + itemData.channelId
      }).then(function (res) {
        that.initData();
      }).catch(function (error) {
        if (error.response.status === 402) { // 已经停止过
          that.initData();
        } else {
          console.log(error)
        }
      });
    },
    getSnap: function (row) {
      let url = (process.env.NODE_ENV === 'development'? "debug": "") + '/api/device/query/snap/' + row.deviceId + '/' + row.channelId
      return url
    },
    getBigSnap: function (row) {
      return [this.getSnap(row)]
    },
    getSnapErrorEvent: function (deviceId, channelId) {

      if (typeof (this.loadSnap[deviceId + channelId]) != "undefined") {
        console.log("下载截图" + this.loadSnap[deviceId + channelId])
        if (this.loadSnap[deviceId + channelId] > 5) {
          delete this.loadSnap[deviceId + channelId];
          return;
        }
        setTimeout(() => {
          let url = (process.env.NODE_ENV === 'development'? "debug": "") + '/api/device/query/snap/' + deviceId + '/' + channelId
          this.loadSnap[deviceId + channelId]++
          document.getElementById(deviceId + channelId).setAttribute("src", url + '?' + new Date().getTime())
        }, 1000)

      }
    },
    showDevice: function () {
      this.$router.push(this.beforeUrl).then(() => {
        this.initParam();
        this.initData();
      })
    },
    changeSubchannel(itemData) {
      this.beforeUrl = this.$router.currentRoute.path;

      var url = `/${this.$router.currentRoute.name}/${this.$router.currentRoute.params.deviceId}/${itemData.channelId}`
      this.$router.push(url).then(() => {
        this.searchSrt = "";
        this.channelType = "";
        this.online = "";
        this.initParam();
        this.initData();
      })
    },
    showSubchannels: function (channelId) {
      if (!this.showTree) {
        this.$axios({
          method: 'get',
          url: `./api/device/query/sub_channels/${this.deviceId}/${this.parentChannelId}/channels`,
          params: {
            page: this.currentPage,
            count: this.count,
            query: this.searchSrt,
            online: this.online,
            channelType: this.channelType
          }
        }).then( (res) =>{
          if (res.data.code === 0) {
            this.total = res.data.data.total;
            this.deviceChannelList = res.data.data.list;
            // 防止出现表格错位
            this.$nextTick(() => {
              this.$refs.channelListTable.doLayout();
            })
          }

        }).catch(function (error) {
          console.log(error);
        });
      }else {
        this.$axios({
          method: 'get',
          url: `./api/device/query/tree/channel/${this.deviceId}`,
          params: {
            parentId: this.parentChannelId,
            page: this.currentPage,
            count: this.count,
          }
        }).then((res)=> {
          if (res.data.code === 0) {
            this.total = res.data.total;
            this.deviceChannelList = res.data.list;
            // 防止出现表格错位
            this.$nextTick(() => {
              this.$refs.channelListTable.doLayout();
            })
          }
        }).catch(function (error) {
          console.log(error);
        });
      }

    },
    search: function () {
      this.currentPage = 1;
      this.total = 0;
      this.initData();
    },
    updateChannel: function (row) {
      this.$axios({
        method: 'post',
        url: `./api/device/query/channel/update/${this.deviceId}`,
        params: row
      }).then(function (res) {
        console.log(JSON.stringify(res));
      });
    },
    refresh: function () {
      this.initData();
    },
    switchTree: function (){
      this.showTree = true;
      this.deviceChannelList = [];
      this.parentChannelId = 0;
      this.currentPage = 1;

    },
    switchList: function (){
      this.showTree = false;
      this.deviceChannelList = [];
      this.parentChannelId = 0;
      this.currentPage = 1;
      this.initData();
    },
    treeNodeClickEvent: function (device, data, isCatalog) {
      console.log(device)
      if (!!!data.channelId) {
        this.parentChannelId = device.deviceId;
      }else {
        this.parentChannelId = data.channelId;
      }
      this.initData();
    }

  }
};
</script>

<style>
.videoList {
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
}

.video-item {
    position: relative;
    width: 15rem;
    height: 10rem;
    margin-right: 1rem;
    background-color: #000000;
  position: relative;
  width: 15rem;
  height: 10rem;
  margin-right: 1rem;
  background-color: #000000;
}

.video-item-img {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    width: 100%;
    height: 100%;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  width: 100%;
  height: 100%;
}

.video-item-img:after {
    content: "";
    display: inline-block;
    position: absolute;
    z-index: 2;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    width: 3rem;
    height: 3rem;
    background-image: url("../assets/loading.png");
    background-size: cover;
    background-color: #000000;
  content: "";
  display: inline-block;
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  width: 3rem;
  height: 3rem;
  background-image: url("../assets/loading.png");
  background-size: cover;
  background-color: #000000;
}

.video-item-title {
    position: absolute;
    bottom: 0;
    color: #000000;
    background-color: #ffffff;
    line-height: 1.5rem;
    padding: 0.3rem;
    width: 14.4rem;
  position: absolute;
  bottom: 0;
  color: #000000;
  background-color: #ffffff;
  line-height: 1.5rem;
  padding: 0.3rem;
  width: 14.4rem;
}
</style>