关于视频播放器:H5播放HLS之videojs播放视频

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一、简介

如果要让网页反对在所有浏览器上播放,就须要应用第三方的播放器。VideoJs 是一个较好的播放器库,完全免费,不像 JWPlayer 一样须要付费能力应用一些高级性能。

videojs 播放库是比拟有名的一个播放库,它不仅反对 hls 也反对 rtmp,不过如果是播放 rtmp 它最终也是通过 flash 插件实现的,咱们临时只看 hls。

二、实现

如果应用 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"
                class="video-js  vjs-big-play-centered"
                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 class="vjs-no-js">
                    请降级您的浏览器之后在看该视频!
                <a href="https://videojs.com/html5-video-support/" target="_blank"> 反对 H5 视频标签 </a>
            </p>
        </video>
        <script src="https://vjs.zencdn.net/7.6.6/video.js"></script>
    </body>
</html>

通过测试 videojs 播放 HLS 提早大略在 8s 左右,不过也是十分的晦涩,如果要定制本人的播放器能够参考如下代码:

<!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 class="video-js vjs-default-skin" controls>

        </video>
        <div class="input-group" style="margin-top: 10px; width: 740px;">
            <input type="text" name="stream_address" id="stream_address" required autofocus
                placeholder="input HLS Stream Address 留神不要含有空格" class="form-control">
            <span class="input-group-btn input-btn">
                <button class="btn btn-default" 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("请输出媒体流地址");
                    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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