报警统计

aijinhui

2023-10-09 1b259de8c0a06e6e16941a4ac3189d950fc542ab

 ard-work/src/main/resources/templates/preview.html

@@ -20,7 +20,7 @@

        .container {
            background-color: #151414; /* 将网格项目的颜色设置为红色背景 */
            flex: 9;
            flex: 30;
            border: 10px solid;
            box-sizing: border-box;
            display: grid;
@@ -68,6 +68,7 @@
            height: 100%;
            object-fit: fill;
        }

        #loadingMessage {
            position: absolute;
            top: 50%;
@@ -90,87 +91,23 @@
    <div id="loadingMessage">正在取流</div>
    <div class="container2">
        <div class="button-container">
            <button class="toggle-button" onclick="closeAllVideo()">关闭</button>
            <button class="toggle-button" onclick="changeGrid(1, 1)">1x1</button>
            <button class="toggle-button" onclick="changeGrid(2, 2)">2x2</button>
            <button class="toggle-button" onclick="changeGrid(3, 3)">3x3</button>
            <button class="toggle-button" onclick="changeGrid(4, 4)">4x4</button>
            <button class="toggle-button" onclick="changeGrid(5, 5)">5x5</button>
            <button class="toggle-button" onclick="changeGrid(6, 6)">6x6</button>
            <button class="toggle-button" onclick="changeGrid(7, 7)">7x7</button>
            <button class="toggle-button" onclick="changeGrid(8, 8)">8x8</button>
            <button class="toggle-button" onclick="changeGrid(9, 9)">9x9</button>
            <input id="videoUrl" type="text" value="http://192.168.1.227:8889/164/" style="width: 250px"/>
        </div>
    </div>
</div>

<script>
    function calculateAspectRatio(videoWidth, videoHeight) {
        return videoWidth / videoHeight;
    }

    function adjustGridItemSize(gridItem, videoWidth, videoHeight) {
        const aspectRatio = calculateAspectRatio(videoWidth, videoHeight);
        gridItem.style.aspectRatio = aspectRatio; /* 设置宽高比 */
    }

    function changeGrid(rows, cols) {
        closeAllVideo();
        const gridContainer = document.getElementById('gridContainer');
        gridContainer.innerHTML = '';

        for (let i = 1; i <= rows * cols; i++) {
            const gridItem = document.createElement('div');
            gridItem.className = 'grid-item';
            const videoContainer = document.createElement('div');
            videoContainer.className = 'video-container';
            const video = document.createElement('video');
            video.id = "video" + i;
            video.controls = true;
            video.autoplay = true;
            video.muted = true;
            video.loop= true;

            videoContainer.appendChild(video);
            gridItem.appendChild(videoContainer);
            gridContainer.appendChild(gridItem);

            video.addEventListener('loadedmetadata', function () {
                adjustGridItemSize(gridItem, gridItem.videoWidth, gridItem.videoHeight);
            });
            video.addEventListener("click", function () {
                loadingMessage.style.display = "block";
                video.play().then(function () {
                    loadingMessage.style.display = "none";
                }).catch(function (error) {
                    console.error("Error playing the video:", error);
                    loadingMessage.style.display = "none";
                });
            });
            console.log(video.id)
        }

        gridContainer.style.gridTemplateColumns = `repeat(${cols}, 1fr)`;
    }


    let mediamtxHost = "192.168.1.227"
    var chanMap = new Map();
    window.onload = function () {
        changeGrid(2, 2);
        chanMap.set("video1", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video2", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video3", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video4", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video5", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video6", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video7", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video8", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video9", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video10", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video11", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video12", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video13", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video14", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video15", "http://" + mediamtxHost + ":8889/164/");
        chanMap.set("video16", "http://" + mediamtxHost + ":8889/164/");

        console.log(chanMap);
    }
    //whep操作方法
    const linkToIceServers = (links) => (
        (links !== null) ? links.split(', ').map((link) => {
            const m = link.match(/^<(.+?)>; rel="ice-server"(; username="(.*?)"; credential="(.*?)"; credential-type="password")?/i);
@@ -237,9 +174,9 @@
    }

    class WHEPClient {
        constructor(wurl, videoId) {
        constructor(whepUrl, videoId) {
            this.video = videoId;
            this.url = new URL('whep', wurl);
            this.wurl = new URL('whep', whepUrl);
            this.pc = null;
            this.restartTimeout = null;
            this.eTag = '';
@@ -249,7 +186,7 @@

        start() {
            console.log("requesting ICE servers");
            fetch(this.url, {
            fetch(this.wurl, {
                method: 'OPTIONS',
            })
                .then((res) => this.onIceServers(res))
@@ -286,7 +223,7 @@

            console.log("sending offer");

            fetch(this.url, {
            fetch(this.wurl, {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/sdp',
@@ -297,7 +234,8 @@
                    if (res.status !== 201) {
                        throw new Error('bad status code');
                    }
                    this.eTag = res.headers.get('E-Tag');
                   // this.eTag = res.headers.get('ETag');
                    this.eTag = res.headers.get("ETag") || res.headers.get('E-Tag');
                    return res.text();
                })
                .then((sdp) => this.onRemoteAnswer(new RTCSessionDescription({
@@ -351,7 +289,7 @@
        }

        sendLocalCandidates(candidates) {
            fetch(this.url, {
            fetch(this.wurl, {
                method: 'PATCH',
                headers: {
                    'Content-Type': 'application/trickle-ice-sdpfrag',
@@ -401,36 +339,104 @@
        }
    }

    let videoMap = new Map();
    //初始化加载
    var chanMap = new Map();
    window.onload = function () {
        let videoUrl = $("#videoUrl").val();
        for (let i = 1; i < 82; i++) {
            chanMap.set("video" + i, videoUrl);
        }
        console.log(chanMap);
        changeGrid(2, 2);
    }
    //绑定点击事件
    let playMap = new Map();
    $(document).on('click', 'video', function () {
        let ID = this.id;//获取当前点击事件的元素
        console.log(ID);
        console.log(videoMap);
        if (videoMap.get(ID) != null) {
        console.log(playMap);
        if (playMap.get(ID) != null) {
            closeVideo(ID);
        } else {
            let stream = chanMap.get(ID);
            let client = new WHEPClient(stream, ID);
            videoMap.set(ID, client);
            playMap.set(ID, client);
        }
    });

    //关闭一个video
    function closeVideo(id) {
        console.log("关闭" + id)
        let client = videoMap.get(id);
        let client = playMap.get(id);
        client.stop(id);
        videoMap.delete(id);
        playMap.delete(id);
    }

    //关闭所有video
    function closeAllVideo() {
        videoMap.forEach((val, key) => {
            console.log(val, key);
        playMap.forEach((val, key) => {
            val.stop(key);
            videoMap.delete(key);
            closeVideo(key);
            playMap.delete(key);
        })
    }

    //动态改变grid
    function calculateAspectRatio(videoWidth, videoHeight) {
        return videoWidth / videoHeight;
    }

    function adjustGridItemSize(gridItem, videoWidth, videoHeight) {
        const aspectRatio = calculateAspectRatio(videoWidth, videoHeight);
        gridItem.style.aspectRatio = aspectRatio; /* 设置宽高比 */
    }

    function changeGrid(rows, cols) {
        closeAllVideo();
        let num = rows * cols;
        let videoUrl = $("#videoUrl").val();
        for (let i = 1; i < num + 1; i++) {
            chanMap.set("video" + i, videoUrl);
        }
        const gridContainer = document.getElementById('gridContainer');
        gridContainer.innerHTML = '';

        for (let i = 1; i <= rows * cols; i++) {
            const gridItem = document.createElement('div');
            gridItem.className = 'grid-item';
            const videoContainer = document.createElement('div');
            videoContainer.className = 'video-container';
            const video = document.createElement('video');
            video.id = "video" + i;
            video.controls = true;
            video.autoplay = true;
            video.muted = true;
            video.loop = true;

            videoContainer.appendChild(video);
            gridItem.appendChild(videoContainer);
            gridContainer.appendChild(gridItem);

            video.addEventListener('loadedmetadata', function () {
                adjustGridItemSize(gridItem, gridItem.videoWidth, gridItem.videoHeight);
            });
            video.addEventListener("click", function () {
                loadingMessage.style.display = "block";
                video.play().then(function () {
                    loadingMessage.style.display = "none";
                }).catch(function (error) {
                    console.error("Error playing the video:", error);
                    loadingMessage.style.display = "none";
                });
            });
            console.log(video.id)
            let stream = chanMap.get(video.id);
            let client = new WHEPClient(stream, video.id);
            playMap.set(video.id, client);
        }

        gridContainer.style.gridTemplateColumns = `repeat(${cols}, 1fr)`;
    }
</script>
</body>
</html>