aijinhui
2023-09-21 a4052e2940840e590afbf941d8693c2e71ff8c64
ard-work/src/main/resources/templates/mediaMTX.html
@@ -1,307 +1,40 @@
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<html>
<head>
    <meta charset="UTF-8">
    <title>测试页</title>
    <script th:src="@{/js/jquery-3.6.4.min.js}"></script>
    <link rel="stylesheet" th:href="@{/css/bootstrap.css}"/>
    <script th:src="@{/js/bootstrap.js}"></script>
    <style>
        .video-container {
            display: inline-block;
            vertical-align: top;
            width: 33%; /* 3个视频平均分配一行的宽度 */
            /*padding: 2px; !* 可以根据需要调整内边距 *!*/
            box-sizing: border-box;
        }
        .video-container video {
            width: 100%;
            height: 100%;
            /*object-fit: cover; !* 视频填充容器,保持宽高比 *!*/
        }
    </style>
    <title>video.js播放rtmp流</title>
    <!--引入播放器样式-->
    <link href="http://vjs.zencdn.net/5.19/video-js.min.css" rel="stylesheet">
    <!--引入播放器js-->
    <script src="http://vjs.zencdn.net/5.19/video.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/videojs-flash@2/dist/videojs-flash.min.js"></script>
</head>
<body>
<div>
    <div class="row">
        <div class="video-container">
            <video id="video1" muted autoplay loop controls></video>
        </div>
        <div class="video-container">
            <video id="video2" muted autoplay loop controls></video>
        </div>
        <div class="video-container">
            <video id="video3" muted autoplay loop controls></video>
        </div>
        <div class="video-container">
            <video id="video4" muted autoplay loop controls></video>
        </div>
        <div class="video-container">
            <video id="video5" muted autoplay loop controls></video>
        </div>
    </div>
</div>
<script th:inline="javascript">
    var chanMap = new Map();
    window.onload = function () {
        chanMap.set("video1", "http://127.0.0.1:8889/245/");
        chanMap.set("video2", "http://127.0.0.1:8889/164/");
        chanMap.set("video3", "http://127.0.0.1:8889/164/");
        chanMap.set("video4", "http://127.0.0.1:8889/165/");
        chanMap.set("video5", "http://127.0.0.1:8889/165/");
        console.log(chanMap);
    }
    const linkToIceServers = (links) => (
        (links !== null) ? links.split(', ').map((link) => {
            const m = link.match(/^<(.+?)>; rel="ice-server"(; username="(.*?)"; credential="(.*?)"; credential-type="password")?/i);
            const ret = {
                urls: [m[1]],
            };
            if (m[3] !== undefined) {
                ret.username = unquoteCredential(m[3]);
                ret.credential = unquoteCredential(m[4]);
                ret.credentialType = "password";
            }
            return ret;
        }) : []
    );
    const parseOffer = (offer) => {
        const ret = {
            iceUfrag: '',
            icePwd: '',
            medias: [],
        };
        for (const line of offer.split('\r\n')) {
            if (line.startsWith('m=')) {
                ret.medias.push(line.slice('m='.length));
            } else if (ret.iceUfrag === '' && line.startsWith('a=ice-ufrag:')) {
                ret.iceUfrag = line.slice('a=ice-ufrag:'.length);
            } else if (ret.icePwd === '' && line.startsWith('a=ice-pwd:')) {
                ret.icePwd = line.slice('a=ice-pwd:'.length);
            }
        }
        return ret;
    };
    const generateSdpFragment = (offerData, candidates) => {
        const candidatesByMedia = {};
        for (const candidate of candidates) {
            const mid = candidate.sdpMLineIndex;
            if (candidatesByMedia[mid] === undefined) {
                candidatesByMedia[mid] = [];
            }
            candidatesByMedia[mid].push(candidate);
        }
        let frag = 'a=ice-ufrag:' + offerData.iceUfrag + '\r\n'
            + 'a=ice-pwd:' + offerData.icePwd + '\r\n';
        let mid = 0;
        for (const media of offerData.medias) {
            if (candidatesByMedia[mid] !== undefined) {
                frag += 'm=' + media + '\r\n'
                    + 'a=mid:' + mid + '\r\n';
                for (const candidate of candidatesByMedia[mid]) {
                    frag += 'a=' + candidate.candidate + '\r\n';
                }
            }
            mid++;
        }
        return frag;
    }
    class WHEPClient {
        constructor(wurl, videoId) {
            this.video = videoId;
            this.url = new URL('whep', wurl);
            this.pc = null;
            this.restartTimeout = null;
            this.eTag = '';
            this.queuedCandidates = [];
            this.start();
        }
        start() {
            console.log("requesting ICE servers");
            fetch(this.url, {
                method: 'OPTIONS',
            })
                .then((res) => this.onIceServers(res))
                .catch((err) => {
                    console.log('error: ' + err);
                    this.scheduleRestart();
                });
        }
        onIceServers(res) {
            this.pc = new RTCPeerConnection({
                iceServers: linkToIceServers(res.headers.get('Link')),
            });
            const direction = "sendrecv";
            this.pc.addTransceiver("video", {direction});
            this.pc.addTransceiver("audio", {direction});
            this.pc.onicecandidate = (evt) => this.onLocalCandidate(evt);
            this.pc.oniceconnectionstatechange = () => this.onConnectionState();
            this.pc.ontrack = (evt) => {
                console.log("new track:", evt.track.kind);
                document.getElementById(this.video).srcObject = evt.streams[0];
            };
            this.pc.createOffer()
                .then((offer) => this.onLocalOffer(offer));
        }
        onLocalOffer(offer) {
            this.offerData = parseOffer(offer.sdp);
            this.pc.setLocalDescription(offer);
            console.log("sending offer");
            fetch(this.url, {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/sdp',
                },
                body: offer.sdp,
            })
                .then((res) => {
                    if (res.status !== 201) {
                        throw new Error('bad status code');
                    }
                    this.eTag = res.headers.get('E-Tag');
                    return res.text();
                })
                .then((sdp) => this.onRemoteAnswer(new RTCSessionDescription({
                    type: 'answer',
                    sdp,
                })))
                .catch((err) => {
                    console.log('error: ' + err);
                    this.scheduleRestart();
                });
        }
        onConnectionState() {
            if (this.restartTimeout !== null) {
                return;
            }
            console.log("peer connection state:", this.pc.iceConnectionState);
            switch (this.pc.iceConnectionState) {
                case "disconnected":
                    this.scheduleRestart();
            }
        }
        onRemoteAnswer(answer) {
            if (this.restartTimeout !== null) {
                return;
            }
            this.pc.setRemoteDescription(new RTCSessionDescription(answer));
            if (this.queuedCandidates.length !== 0) {
                this.sendLocalCandidates(this.queuedCandidates);
                this.queuedCandidates = [];
            }
        }
        onLocalCandidate(evt) {
            if (this.restartTimeout !== null) {
                return;
            }
            if (evt.candidate !== null) {
                if (this.eTag === '') {
                    this.queuedCandidates.push(evt.candidate);
                } else {
                    this.sendLocalCandidates([evt.candidate])
                }
            }
        }
        sendLocalCandidates(candidates) {
            fetch(this.url, {
                method: 'PATCH',
                headers: {
                    'Content-Type': 'application/trickle-ice-sdpfrag',
                    'If-Match': this.eTag,
                },
                body: generateSdpFragment(this.offerData, candidates),
            })
                .then((res) => {
                    if (res.status !== 204) {
                        throw new Error('bad status code');
                    }
                })
                .catch((err) => {
                    console.log('error: ' + err);
                    this.scheduleRestart();
                });
        }
        scheduleRestart() {
            if (this.restartTimeout !== null) {
                return;
            }
            if (this.pc !== null) {
                this.pc.close();
                this.pc = null;
            }
            this.restartTimeout = window.setTimeout(() => {
                this.restartTimeout = null;
                this.start();
            }, restartPause);
            this.eTag = '';
            this.queuedCandidates = [];
        }
        stop() {
            if (this.pc) {
                try {
                    this.pc.close();
                } catch (e) {
                    console.log("Failure close peer connection:" + e);
                }
                this.pc = null;
            }
        }
    }
    let videoMap = new Map();
    $('video').click(function (e) {
        let ID = e.target.id;//获取当前点击事件的元素
        console.log(ID);
        console.log(videoMap);
        if (videoMap.get(ID) != null) {
            closeVideo(ID);
        } else {
            let stream = chanMap.get(ID);
            let client = new WHEPClient(stream, ID);
            videoMap.set(ID, client);
        }
    });
    function closeVideo(id) {
        console.log("关闭" + id)
        let client = videoMap.get(id);
        client.stop(id);
        videoMap.delete(id);
    }
<!--vjs-big-play-centered 播放按钮居中-->
<!--poster默认的显示界面,就是还没点播放,给你显示的界面-->
<!--controls 规定浏览器应该为视频提供播放控件-->
<!--preload="auto" 是否提前加载-->
<!--autoplay 自动播放-->
<!--loop=true 自动循环-->
<!--data-setup='{"example_option":true}' 可以把一些属性写到这个里面来,如data-setup={"autoplay":true}-->
<video id="my-player"
       class="video-js vjs-default-skin vjs-big-play-centered" controls
       preload="auto" autoplay="autoplay"
       poster="images/logo.png" width="500" height="400"
       data-setup='{}'>
    <!--src: 规定媒体文件的 URL  type:规定媒体资源的类型-->
    <source src='rtmp://192.168.1.194:1935/164' type='rtmp/flv' />
</video>
<script type="text/javascript">
    // 设置flash路径,用于在videojs发现浏览器不支持HTML5播放器的时候自动唤起flash播放器
    videojs.options.flash.swf = 'https://cdn.bootcss.com/videojs-swf/5.4.1/video-js.swf';
    //my-player为页面video元素的id
    var player = videojs('my-player');
    //播放
    player.play();
    //    1. 播放   player.play()
    //    2. 停止   player.pause()
    //    3. 暂停   player.pause()
</script>
</body>
</html>
</html>