H5播放HLS之videojs播放视频

码农天地 -
H5播放HLS之videojs播放视频
一、简介

如果要让网页支持在所有浏览器上播放,就需要使用第三方的播放器。VideoJs是一个较好的播放器库,完全免费,不像JWPlayer一样需要付费才能使用一些高级功能。

videojs播放库是比较有名的一个播放库,它不仅支持hls也支持rtmp,不过如果是播放rtmp它最终也是通过flash插件完成的,我们暂时只看hls。

二、实现

如果使用videojs播放hls前端代码实现如下:

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
        <link href="https://vjs.zencdn.net/7.6.6/video-js.css" rel="stylesheet" />
        <!-- If you'd like to support IE8 (for Video.js versions prior to v7) -->
        <script src="https://vjs.zencdn.net/ie8/1.1.2/videojs-ie8.min.js"></script>
    </head>
    <body>
        <video
                id="my-video"
                
                controls
                preload="auto"
                width="640"
                height="264"
                data-setup="{}">
            <source src="http://192.168.12.187:8080/live/1.m3u8" type="application/x-mpegURL"/>
            <p >
                    请升级您的浏览器之后在看该视频!
                <a href="https://videojs.com/html5-video-support/" target="_blank">支持H5视频标签</a>
            </p>
        </video>
        <script src="https://vjs.zencdn.net/7.6.6/video.js"></script>
    </body>
</html>

经过测试videojs播放HLS延迟大概在8s左右,不过也是非常的流畅,如果要定制自己的播放器可以参考如下代码:

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>videojs自定义播放器</title>
    <link href="./css/bootstrap.min.css" rel="stylesheet">
    <script type="text/javascript" src="./js/jquery.min.js"></script>
    <link href="./videojs/video-js.css" rel="stylesheet">
    <script src="./videojs/video.js"></script>
    <script src="./videojs/videojs-contrib-hls.min.js"></script>
</head>

<body>
    <center>
        <video id=example-video width=600 height=300  controls>

        </video>
        <div  >
            <input type="text" name="stream_address" id="stream_address" required autofocus
                placeholder="input HLS Stream Address 注意不要含有空格" >
            <span >
                <button  id="form_button" type="button">提交</button>
            </span>
        </div>
    </center>
    <script type="text/javascript">
        var default_hls_address = 'http://192.168.12.187:8080/live/1.m3u8';
        var options = {
            width: 1280,
            height: 720,
            poster: "../image/video-background.jpg",
            autoplay: true,
            controls: true,
            loop: true,
            preload: 'auto',
            sourceOrder: true,
            sources: [{
                src: default_hls_address,
                type: 'application/x-mpegURL'
            }, {
                src: '//path/to/video.webm',
                type: 'video/webm'
            }],
            techOrder: ['html5', 'flash'],
            flash: {
                swf: 'videojs/video-js.swf'
            }
        }
        var player = videojs('example-video', options);
        player.addClass('vjs-matrix');
        player.on(['loadstart', 'play', 'playing', 'firstplay', 'pause', 'ended', 'adplay', 'adplaying', 'adfirstplay', 'adpause', 'adended', 'contentplay', 'contentplaying', 'contentfirstplay', 'contentpause', 'contentended', 'contentupdate'], function (e) {
            //        console.warn('VIDEOJS player event: ', e.type);
            if (e.type == "play") {
                console.log('开始播放');
            } else if (e.type == "playing") {
                console.log('正在播放...');
            } else if (e.type == "pause") {
                console.log('暂停视频播放');
            } else if (e.type == "firstplay") {
                console.log('firstplay播放');
            } else {
                console.log('1111111111111');
            }
        });
        $(function () {
            $("#form_button").click(function () {
                var msg = $("#msg");
                stream_address = $('input[name="stream_address"] ').val();
                console.log(stream_address);
                if (stream_address == "") {
                    $('#stream_address ').css("border", "1px #ff0000 solid");
                    msg.text("请输入媒体流地址");
                    msg.addClass("warning");
                    return false;
                } else {
                    $('#stream_address').css("border", "1px #ff00ff solid");
                    msg.text("error");
                    msg.removeClass("warning");
                }
                $('#stream_address_code ').html("\"" + stream_address + "\"");
                player.src({
                    src: stream_address,
                    type: "application/x-mpegURL"
                });
            });
        });
        console.log(stream_address);
    </script>
</body>
</html>

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