410 lines
10 KiB
Vue
410 lines
10 KiB
Vue
<template>
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<div class="camera-container">
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<!-- 左侧：摄像头列表 -->
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<div class="camera-list">
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<el-input
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v-model="searchQuery"
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placeholder="搜索摄像头名称"
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prefix-icon="el-icon-search"
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clearable
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class="search-input"
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/>
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<el-card v-for="camera in filteredCameras" :key="camera.id" class="camera-item" @click="selectCamera(camera)">
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<div class="camera-header">
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<span>ID: {{ camera.id }}</span>
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<span class="status" :class="{ 'online': camera.status === 'online', 'offline': camera.status !== 'online' }">
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{{ camera.status === 'online' ? '在线' : '离线' }}
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</span>
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</div>
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<div class="camera-content">
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<img :src="camera.snapshot" alt="camera-preview" class="camera-thumbnail" />
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<p class="camera-name">{{ camera.name }}</p>
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</div>
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</el-card>
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</div>
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<!-- 右侧：摄像头详情栅格 -->
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<div class="camera-grid">
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<div v-for="camera in selectedCameras" :key="camera.id" class="camera-details">
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<el-card class="camera-card">
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<div class="stream-control">
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<p class="camera-name-title">{{ camera.name }}</p>
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<el-button @click="closeStream(camera)" class="close-button" circle size="mini">X</el-button>
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</div>
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<!-- 视频播放和快照部分 -->
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<div class="play-button-container" @mouseenter="showButton = true" @mouseleave="showButton = false">
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<!-- 未播放时显示快照或占位符 -->
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<div class="camera-placeholder" v-if="!camera.playing && !camera.snapshot">
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<el-icon size="48">
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<VideoCameraFilled />
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</el-icon>
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</div>
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<img v-if="!camera.playing && camera.snapshot" :src="camera.snapshot" alt="camera snapshot"
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class="camera-snapshot" />
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<!-- 播放视频流的 canvas -->
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<canvas v-show="camera.playing" :ref="el => setCanvasRef(camera.id, el)" class="camera-large"></canvas>
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<!-- 播放和暂停按钮 -->
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<el-button v-show="!camera.playing || showButton" class="play-button" type="primary" circle size="large"
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@click="handlePlayPause(camera)">
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<el-icon>
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<VideoPlay v-if="!camera.playing" />
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<VideoPause v-if="camera.playing" />
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</el-icon>
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</el-button>
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</div>
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</el-card>
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</div>
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</div>
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</div>
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</template>
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<script setup>
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import { ref, onMounted, onBeforeUnmount, nextTick,computed } from 'vue';
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import { BoxApi } from '@/utils/boxApi.ts';
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import { VideoPlay, VideoPause, VideoCameraFilled } from '@element-plus/icons-vue';
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// 存储所有摄像头列表
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const cameras = ref([]);
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// 存储已选择并展示的摄像头
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const selectedCameras = ref([]);
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// 控制播放按钮的显示状态
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const showButton = ref(false);
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// API 实例
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const apiInstance = new BoxApi();
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// 存储 canvas 引用
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const canvasRefs = ref({});
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// 搜索输入的查询字符串
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const searchQuery = ref('');
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// 计算属性：根据搜索关键词过滤摄像头列表
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const filteredCameras = computed(() =>
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cameras.value.filter(camera =>
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camera.name.toLowerCase().includes(searchQuery.value.toLowerCase())
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)
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);
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// 获取摄像头列表
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const fetchCameras = async () => {
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try {
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const token = localStorage.getItem('alertToken');
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const cameraData = await apiInstance.getMinCameras(token);
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cameras.value = cameraData;
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} catch (error) {
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console.error('获取摄像头列表失败:', error);
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}
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};
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// 选择摄像头并展示详情
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const selectCamera = (camera) => {
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if (!selectedCameras.value.some(c => c.id === camera.id)) {
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selectedCameras.value.push({ ...camera, playing: false, streamPort: null });
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}
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};
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// 设置 canvas 引用
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const setCanvasRef = (cameraId, el) => {
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if (el) {
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canvasRefs.value[cameraId] = el;
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}
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};
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// 播放/暂停摄像头视频流
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const handlePlayPause = async (camera) => {
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if (camera.playing) {
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handleStopStream(camera);
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} else {
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handleStartStream(camera);
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}
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};
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// 启动视频流
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const handleStartStream = async (camera) => {
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await nextTick(); // 确保 DOM 已渲染
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const canvas = canvasRefs.value[camera.id];
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if (!camera || !canvas) {
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console.error('未找到对应的 canvas');
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return;
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}
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const token = localStorage.getItem('alertToken');
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try {
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const response = await apiInstance.startCameraStream(token, camera.id);
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camera.streamPort = response.port;
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camera.playing = true;
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const rememberedAddress = localStorage.getItem('rememberedAddress') || '127.0.0.1';
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const url = `ws://${rememberedAddress}:${camera.streamPort}/`;
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// const url = `ws://192.168.28.33:${camera.streamPort}/`;
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console.log('播放路径:', url);
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if (window.JSMpeg) {
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const player = new window.JSMpeg.Player(url, {
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canvas: canvas,
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autoplay: true,
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videoBufferSize: 15 * 1024 * 1024,
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audioBufferSize: 5 * 1024 * 1024,
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});
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camera.player = player;
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} else {
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console.error('JSMpeg 未加载');
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}
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} catch (error) {
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console.error('启动视频流失败:', error);
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}
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};
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// 停止视频流
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const handleStopStream = async (camera) => {
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const token = localStorage.getItem('alertToken');
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try {
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await apiInstance.stopCameraStream(token, camera.id);
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camera.playing = false;
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if (camera.player) {
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camera.player.destroy();
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camera.player = null;
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}
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} catch (error) {
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console.error('停止视频流失败:', error);
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}
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};
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// 关闭摄像头流视图
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const closeStream = (camera) => {
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handleStopStream(camera);
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selectedCameras.value = selectedCameras.value.filter(c => c.id !== camera.id);
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};
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// 组件挂载时获取摄像头列表
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onMounted(() => {
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fetchCameras();
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});
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// 组件卸载时清理资源
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onBeforeUnmount(() => {
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selectedCameras.value.forEach(camera => {
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if (camera.player) {
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camera.player.destroy();
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}
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});
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});
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</script>
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<style scoped>
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.camera-container {
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display: flex;
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height: 100vh;
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background-color: #1E2E4A;
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}
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/* 左侧摄像头列表 */
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.camera-list {
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width: 20%;
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min-width: 215px;
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max-height: 100vh;
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/* 限制高度为一屏 */
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overflow-y: auto;
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/* 超出时滚动 */
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box-sizing: border-box;
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border-right: 1px solid #1E2E4A;
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padding-right: 10px;
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}
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.search-input {
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margin-bottom: 10px;
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width: 100%;
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}
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/* 每个摄像头项目的样式 */
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.camera-item {
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margin-bottom: 8px;
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cursor: pointer;
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padding: 12px;
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border: 1px solid #458388;
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border-radius: 4px;
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transition: background-color 0.3s, box-shadow 0.3s;
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}
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.camera-item:hover {
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background-color: #f5f7fa;
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box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
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}
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/* 摄像头项目头部 */
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.camera-header {
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display: flex;
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justify-content: space-between;
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font-size: 14px;
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margin-bottom: 5px;
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}
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/* 摄像头状态标签 */
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.status {
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margin-left: 5px;
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font-weight: bold;
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}
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.online {
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color: green;
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}
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.offline {
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color: red;
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}
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/* 摄像头内容：缩略图和名称 */
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.camera-content {
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display: flex;
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align-items: center;
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}
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.camera-thumbnail {
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width: 70px;
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height: 50px;
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margin-right: 10px;
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object-fit: cover;
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border-radius: 4px;
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border: 2px solid #12d1df;
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}
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.camera-name {
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flex: 1;
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word-break: break-word;
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font-size: 14px;
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font-weight: bold;
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color: #333;
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}
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/* 右侧摄像头详情展示 */
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.camera-grid {
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width: 80%;
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height: 95vh; /* 占满页面右侧区域 */
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display: grid;
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grid-template-columns: repeat(2, 1fr); /* 两列 */
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grid-template-rows: repeat(2, 1fr); /* 两行 */
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gap: 5px; /* 栅格块之间的间距 */
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padding: 10px;
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/* background-color: #1E2E4A; */
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background: linear-gradient(to top, rgba(0, 3, 3, 0.4), rgba(9, 21, 196, 0.3));
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/* background: linear-gradient(to top, rgba(8, 53, 61, 0.4), rgba(9, 21, 196, 0.3)); */
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/* border: 2px solid #ece9e9; */
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box-sizing: border-box;
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overflow-y: auto;
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}
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.camera-details {
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height: 45vh;
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/* background-color: #3b2c2c; */
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/* background: linear-gradient(to top, rgba(8, 53, 61, 0.4), rgba(9, 21, 196, 0.3)); */
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border-radius: 4px;
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position: relative;
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display: flex;
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align-items: center;
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justify-content: center;
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/* overflow-y: auto; */
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}
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.camera-card {
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width: 100%;
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height: 100%;
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/* background-color: #1E2E4A; */
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background: linear-gradient(to top, rgba(64, 226, 255, 0.7), rgba(211, 64, 248, 0.7));
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/* background: linear-gradient(to top, rgba(0, 7, 8, 0.9), rgba(12, 2, 155, 0.7)); */
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border: 2px solid #0b4c5f;
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border-radius: 8px;
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position: relative;
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/* padding: 10px; */
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box-sizing: border-box;
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}
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.stream-control {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 5px;
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}
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/* .stream-control p {
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color: #f5f7fa;
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font-size: 18px;
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margin: 0;
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line-height: 1;
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font-weight: bold;
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} */
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.camera-name-title {
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font-size: 18px;
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color: white;
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font-weight: bold;
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margin: 0;
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padding: 0;
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line-height: 1;
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}
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.close-button {
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position: absolute;
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top: 10px;
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right: 20px;
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z-index: 10;
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}
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.camera-placeholder {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 100%;
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height: 100%;
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color: #6b6b6b;
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border: 2px dashed rgba(109, 109, 109, 0.7);
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border-radius: 8px;
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box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
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background-color: rgba(50, 50, 50, 0.5);
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}
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/* 播放中的 canvas 样式 */
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.camera-large {
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width: 100%;
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height: 100%;
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border-radius: 8px;
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object-fit: cover;
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border: 2px solid rgba(109, 109, 109, 0.3);
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}
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/* 摄像头大图和快照 */
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.camera-snapshot {
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width: 100%;
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height: 40vh;
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object-fit: cover;
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border-radius: 4px;
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border: 2px solid #dcdcdc;
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}
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/* 播放按钮容器 */
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.play-button-container {
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position: relative;
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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/* 播放按钮 */
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.play-button {
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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z-index: 10;
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opacity: 0.4;
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transition: opacity 0.2s ease-in-out;
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}
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.play-button:hover {
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opacity: 1;
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}
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</style> |