feat: 视频监控

apps/web-antd/src/views/videoSystem/videoSurveillance/channel-tree.vue

@@ -0,0 +1,106 @@
+<script setup lang="ts">
+import { onMounted, ref } from 'vue';
+import { SyncOutlined } from '@ant-design/icons-vue';
+import { InputSearch, Skeleton, Tree } from 'ant-design-vue';
+import { treeList } from '#/api/sis/deviceChannel';
+import type { TreeNode } from '#/api/common';
+
+defineOptions({ inheritAttrs: false });
+
+withDefaults(defineProps<{ showSearch?: boolean }>(), { showSearch: true });
+
+const emit = defineEmits<{
+
+  checked: [];
+  /**
+   * 点击节点的事件
+   */
+  reload: [];
+  select: [];
+}>();
+
+const searchValue = defineModel('searchValue', {
+  type: String,
+  default: '',
+});
+
+/** 通道数据源 */
+const channelTree = ref<TreeNode[]>([]);
+/** 骨架屏加载 */
+const showTreeSkeleton = ref<boolean>(true);
+
+async function loadChannelTree() {
+  showTreeSkeleton.value = true;
+  searchValue.value = '';
+  const ret = await treeList();
+  channelTree.value = ret;
+  showTreeSkeleton.value = false;
+}
+
+async function handleReload() {
+  await loadChannelTree();
+  emit('reload');
+}
+
+onMounted(loadChannelTree);
+</script>
+
+<template>
+  <div :class="$attrs.class">
+    <Skeleton
+      :loading="showTreeSkeleton"
+      :paragraph="{ rows: 8 }"
+      active
+      class="p-[8px]"
+    >
+      <div
+        class="bg-background flex h-full flex-col overflow-y-auto rounded-lg"
+      >
+        <!-- 固定在顶部 必须加上bg-background背景色 否则会产生'穿透'效果 -->
+        <div
+          v-if="showSearch"
+          class="bg-background z-100 sticky left-0 top-0 p-[8px]"
+        >
+          <InputSearch
+            v-model:value="searchValue"
+            :placeholder="$t('pages.common.search')"
+            size="small"
+          >
+            <template #enterButton>
+              <a-button @click="handleReload">
+                <SyncOutlined class="text-primary" />
+              </a-button>
+            </template>
+          </InputSearch>
+        </div>
+        <div class="h-full overflow-x-hidden px-[8px]">
+          <Tree
+            v-bind="$attrs"
+            v-if="channelTree.length > 0"
+            :class="$attrs.class"
+            :show-line="{ showLeafIcon: false }"
+            :tree-data="channelTree"
+            :virtual="false"
+            default-expand-all
+            checkable
+            @select="$emit('select')"
+            @check="$emit('checked')"
+          >
+            <template #title="{ label }">
+              <span v-if="label.indexOf(searchValue) > -1">
+                {{ label.substring(0, label.indexOf(searchValue)) }}
+                <span style="color: #f50">{{ searchValue }}</span>
+                {{
+                  label.substring(
+                    label.indexOf(searchValue) + searchValue.length,
+                  )
+                }}
+              </span>
+              <span v-else>{{ label }}</span>
+            </template>
+          </Tree>
+        </div>
+      </div>
+    </Skeleton>
+  </div>
+</template>

apps/web-antd/src/views/videoSystem/videoSurveillance/data.ts

@@ -0,0 +1,4 @@
+export interface CacheNode {
+  player: any; // 播放器控制对象
+  data: any; // 播放节点参数
+}

apps/web-antd/src/views/videoSystem/videoSurveillance/index.vue

@@ -1,9 +1,381 @@
 <template>
-  <div>
-    <h1>视频监控</h1>
-  </div>
+  <Page class="h-full w-full">
+    <!--  设备分组区域  -->
+    <div class="flex h-full gap-[8px]">
+      <ChannelTree class="h-[83vh] w-[260px]" @check="onNodeChecked" />
+
+      <!--  设备分组区域  -->
+      <div class="bg-background flex-1">
+        <div class="video-play-area flex h-[calc(100%-30px)] flex-wrap">
+          <div
+            v-for="i in playerNum"
+            :style="playerStyle"
+            class="player"
+            :class="`layer-${i} ${currentSelectPlayerIndex == i ? selected : ''}`"
+            @click="playerSelect(i)"
+          >
+            <video
+              style="width: 100%; height: 100%"
+              :ref="setItemRef"
+              muted
+              autoplay
+            ></video>
+          </div>
+        </div>
+        <div class="player-area flex h-[30px] gap-[5px]">
+          <div @click="onPlayerNumChanged(1)" class="h-[20px] w-[20px]">
+            <Svg1FrameIcon style="width: 100%; height: 100%" />
+          </div>
+          <div @click="onPlayerNumChanged(2)" class="h-[20px] w-[20px]">
+            <Svg4FrameIcon style="width: 100%; height: 100%" />
+          </div>
+          <div @click="onPlayerNumChanged(3)" class="h-[20px] w-[20px]">
+            <Svg9FrameIcon style="width: 100%; height: 100%" />
+          </div>
+          <div @click="onPlayerNumChanged(4)" class="h-[20px] w-[20px]">
+            <Svg16FrameIcon style="width: 100%; height: 100%" />
+          </div>
+        </div>
+      </div>
+    </div>
+  </Page>
 </template>
 
-<script setup lang="ts"></script>
+<script lang="ts" setup>
+import { onMounted, onUnmounted, ref, toRaw } from 'vue';
+import { Page } from '@vben/common-ui';
+import ChannelTree from './channel-tree.vue';
+import mpegts from 'mpegts.js';
+import { message } from 'ant-design-vue';
+import { addStreamProxy } from '#/api/sis/stream';
+import {
+  Svg16FrameIcon,
+  Svg1FrameIcon,
+  Svg4FrameIcon,
+  Svg9FrameIcon,
+} from '@vben/icons';
 
-<style scoped lang="scss"></style>
+const selected = 'selected';
+
+const itemRefs = ref<HTMLVideoElement[]>([]);
+const setItemRef = (el: any) => {
+  if (el) {
+    itemRefs.value.push(el);
+  }
+};
+
+/**
+ * 屏幕播放器数量
+ */
+const playerNum = ref(1);
+/**
+ * 屏幕播放器样式
+ */
+const playerStyle = ref({
+  width: '100%',
+  height: '100%',
+});
+const currentSelectPlayerIndex = ref(-1);
+
+function playerSelect(index: number) {
+  if (index === currentSelectPlayerIndex.value) {
+    currentSelectPlayerIndex.value = -1;
+    return;
+  }
+  currentSelectPlayerIndex.value = index;
+}
+
+/**
+ * 播放器数量
+ * @param val
+ */
+function onPlayerNumChanged(val: number) {
+  // 1个屏幕
+  const changeBeforeNum = playerNum.value;
+  let changeNum = 1;
+  if (val === 1) {
+    playerStyle.value = {
+      width: '100%',
+      height: '100%',
+    };
+  }
+  // 4个屏幕 2*2
+  else if (val === 2) {
+    playerStyle.value = {
+      width: '50%',
+      height: '50%',
+    };
+    changeNum = 4;
+  }
+  // 9个屏幕 3*3
+  else if (val === 3) {
+    playerStyle.value = {
+      width: '33.33%',
+      height: '33.33%',
+    };
+    changeNum = 9;
+  }
+  // 16个屏幕 4*4
+  else {
+    playerStyle.value = {
+      width: '25%',
+      height: '25%',
+    };
+    changeNum = 16;
+  }
+  playerNum.value = changeNum;
+  // 缩小布局
+  if (changeBeforeNum > changeNum) {
+    const playerArr = [];
+    for (let i = 0; i < playerList.length; i++) {
+      const playerBox = playerList[i];
+      if (playerBox) {
+        playerArr.push(playerBox);
+      }
+      playerList[i] = null;
+    }
+    for (let i = 0; i < playerArr.length; i++) {
+      const play = playerArr[i];
+      if (i < changeNum) {
+        // 获取播放元素
+        changeElPlayer(play, i);
+      } else {
+        closePlayVieo(play.player);
+      }
+    }
+  }
+}
+
+/**
+ * 处理带有子节点的数据
+ * @param node
+ * @param newNode
+ */
+function handleParentNoe(node: any, newNode: any[] = []) {
+  if (node.children && node.children.length >= 1) {
+    node.children.forEach((item: any) => {
+      if (item.level === 2) {
+        newNode.push(toRaw(item.data));
+      }
+      if (item.children && item.children.length >= 1) {
+        handleParentNoe(item.children, newNode);
+      }
+    });
+  }
+}
+
+// 播放器数据, 每一个位置代表页面上行的一个矩形
+const playerList: any[] = [];
+
+/**
+ * 节点选中时间处理
+ * @param _val 选中节点id
+ * @param checked 是否选中
+ * @param node 节点数据
+ */
+function onNodeChecked(
+  _val: any,
+  { checked, node }: { checked: boolean; node: any },
+) {
+  // 此次操作需要新增或者删除节点
+  let checkNode: any = [];
+  if (node.level === 1) {
+    handleParentNoe(node, checkNode);
+  } else {
+    checkNode.push(toRaw(node.data));
+  }
+  // 新增
+  if (checked) {
+    /**
+     * 如果当前页面有选择播放未知，并且播放视频只有一个，则播放到制定位置
+     */
+    if (currentSelectPlayerIndex.value !== -1 && checkNode.length == 1) {
+      doPlayer(checkNode[0], currentSelectPlayerIndex.value - 1);
+    }
+    // 批量播放 currentSelectPlayerIndex 将不再生效
+    else {
+      checkNode.forEach((item: any) => {
+        // 判断当前摄像数据是否已经在播放，如果在播放则此次不进行播放处理.默认选中最后一个
+        let firstFreePlayerIndex = playerNum.value - 1;
+        // 记录第一个空播放器是否已找到
+        let isRecord = false;
+        // 此次选中的设备是否播放
+        let isPlayer = true;
+        for (let i = 0; i < playerNum.value; i++) {
+          // 记录第一个出现空播放器的索引
+          const playerData = playerList[i];
+          // 没找到空播放器，并且此次循环播放器为null
+          if (!isRecord && !playerData) {
+            firstFreePlayerIndex = i;
+            isRecord = true;
+          }
+
+          if (playerData && playerData.data.id == item.id) {
+            isRecord = false;
+            break;
+          }
+        }
+        if (isPlayer) {
+          doPlayer(item, firstFreePlayerIndex);
+        }
+      });
+    }
+  }
+  // 删除
+  else {
+    checkNode.forEach((item: any) => {
+      for (let i = 0; i < playerNum.value; i++) {
+        const player = playerList[i];
+        if (player && player.data.id === item.id) {
+          closePlayer(i);
+        }
+      }
+    });
+  }
+}
+
+function changeElPlayer(playerInfo: any, index: number) {
+  const playerData = playerInfo.data;
+  const oldPlayer = playerInfo.player;
+  if (oldPlayer) {
+    closePlayVieo(oldPlayer);
+  }
+  const videoConfig = {
+    type: 'flv',
+    url: playerData.url,
+    isLive: true,
+    hasAudio: false,
+    hasVideo: true,
+    enableWorker: true, // 启用分离的线程进行转码
+    enableStashBuffer: false, // 关闭IO隐藏缓冲区
+    stashInitialSize: 256, // 减少首帧显示等待时长
+  };
+  const playerConfig = {
+    enableErrorRecover: true, // 启用错误恢复
+    autoCleanupMaxBackwardDuration: 30,
+    autoCleanupMinBackwardDuration: 10,
+  };
+  const player = mpegts.createPlayer(videoConfig, playerConfig);
+  const videoElement = itemRefs.value[index];
+  if (videoElement) {
+    player.attachMediaElement(videoElement);
+    player.load();
+    player.play();
+    playerList[index] = {
+      player,
+      data: playerData,
+    };
+  } else {
+    console.log('视频播放元素获取异常');
+  }
+}
+
+/**
+ * 开始播放视频流
+ * @param nodeData 播放的节点数据
+ * @param index 播放器的索引信息
+ */
+function doPlayer(nodeData: any, index: number) {
+  if (mpegts.isSupported()) {
+    const params = {
+      videoIp: nodeData.deviceIp,
+      videoPort: nodeData.devicePort,
+      factoryNo: nodeData.factoryNo,
+      account: nodeData.deviceAccount,
+      pwd: nodeData.devicePwd,
+      channelId: nodeData.channelNo,
+    };
+    addStreamProxy(params).then((res) => {
+      const url = res.wsFlv;
+      // 将url 绑定到 nodeData
+      nodeData.url = url;
+      closePlayer(index);
+      const videoConfig = {
+        type: 'flv',
+        url: url,
+        isLive: true,
+        hasAudio: false,
+        hasVideo: true,
+        enableWorker: true, // 启用分离的线程进行转码
+        enableStashBuffer: false, // 关闭IO隐藏缓冲区
+        stashInitialSize: 256, // 减少首帧显示等待时长
+      };
+      const playerConfig = {
+        enableErrorRecover: true, // 启用错误恢复
+        autoCleanupMaxBackwardDuration: 30,
+        autoCleanupMinBackwardDuration: 10,
+      };
+      const player = mpegts.createPlayer(videoConfig, playerConfig);
+      const videoElement = itemRefs.value[index];
+      if (videoElement) {
+        player.attachMediaElement(videoElement);
+        player.load();
+        player.play();
+        playerList[index] = {
+          player,
+          data: nodeData,
+        };
+      } else {
+        console.log('视频播放元素获取异常');
+      }
+    });
+  } else {
+    message.error('浏览器不支持播放');
+  }
+}
+
+function closePlayVieo(plInfo: any) {
+  if (plInfo) {
+    try {
+      plInfo.pause(); // 暂停
+      plInfo.unload(); // 卸载
+      plInfo.destroy(); // 销毁
+    } catch (e) {
+      console.log('播放器关闭失败，e=', e);
+    }
+  }
+}
+
+function closePlayer(index: number) {
+  // 如果播放器存在，尝试关闭
+  const pData = playerList[index];
+  if (pData) {
+    try {
+      const player = pData.player;
+      player.pause(); // 暂停
+      player.unload(); // 卸载
+      player.destroy(); // 销毁
+      playerList[index] = null;
+    } catch (e) {
+      console.log('播放器关闭失败，e=', e);
+    }
+  }
+}
+
+onMounted(() => {
+  // 初始化不加载任何视频
+});
+
+onUnmounted(() => {
+  for (let i = 0; i < playerList.length; i++) {
+    closePlayer(i);
+  }
+});
+</script>
+
+<style scoped>
+.player {
+  border: 1px solid #e4e4e7;
+  cursor: pointer;
+}
+
+.player.selected {
+  border: 2px solid deepskyblue;
+}
+
+.player-area {
+  display: flex;
+  align-items: center;
+  cursor: pointer;
+}
+</style>