H5 vedio 插件

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视频html文件:
html 代码

<!doctype html>
<html lang=”en”>
<head>
    <meta charset=”UTF-8″>
    <meta name=”viewport” content=”user-scalable=no, initial-scale=1.0, maximum-scale=1.0 minimal-ui” />
    <!–自适应屏幕–>
    <meta name=”format-detection” content=”telphone=no, email=no” />
    <!–忽略网页内部电话和email–>
    <meta name=”renderer” content=”webkit”>
    <!–启用360的极速模式–>
    <meta http-equiv=”X-UA-Compatible” content=”IE=edge,chrome=1″ />
    <!–优先使用最新版的IE和chrome–>
    <meta name=”msapplication-tap-highlight” content=”no”>
    <!–避免windows phone点击出现高光–>
    <meta name=”apple-mobile-web-app-capable” content=”yes” />
    <!–启用webAPP模式删除苹果默认的工具栏和菜单栏–>
    <meta name=”apple-mobile-web-app-status-bar-style” content=”black”>
    <!–设置苹果工具栏的颜色–>
    <title>视频</title>
    <link rel=”stylesheet” href=”css/video.css”>
    <!– <link rel=”stylesheet” href=”css/style.css”> –>
    <script type=”text/javascript” src=”js/video.js”></script>
    <script>
        VideoJS.setupAllWhenReady();
    </script>
</head>
<body>
    <div class=”wrapper”>
        <div class=”video-js-box vjs-paused”>
            <video class=”video-js video_w” controls preload poster=”images/bg.png”>
                <source type=”video/mp4″ src=”可以了.mp4″>
                </source>
                <object class=”vjs-flash-fallback”>
                    <param name=”movie” />
                    <param name=”allowfullscreen” value=”true” />
                    <param name=”flashvars” value=’config={“playlist”:[“images/bg.png”, {“url”: “可以了.mp4″,”autoPlay”:false,”autoBuffering”:true}]}’ />
                    <img src=”images/bg.png” />
                </object>
            </video>
        </div>
    </div>
</body>
</html>

视频css文件:
css 代码

/*
VideoJS Default Styles (http://videojs.com)
Version 2.0.2
REQUIRED STYLES (be careful overriding)
================================================================================ */
/* Box containing video, controls, and download links.
Will be set to the width of the video element through JS
If you want to add some kind of frame or special positioning, use another containing element, not video-js-box. */
.video-js-box {
    text-align: left;
    position: relative;
    line-height: 0 !important;
    margin: 0;
    padding: 0 !important;
    border: none !important;
}
/* Video Element */
video.video-js {
    background-color: #000;
    position: relative;
    padding: 0;
}
.vjs-flash-fallback {
    display: block;
}
/* Poster Overlay Style */
.video-js-box img.vjs-poster {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    cursor: pointer;
}
/* Subtiles Style */
.video-js-box .vjs-subtitles {
    color: #fff;
    font-size: 20px;
    text-align: center;
    position: absolute;
    bottom: 40px;
    left: 0;
    right: 0;
}
/* Fullscreen styles for main elements */
.video-js-box.vjs-fullscreen {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1000;
}
.video-js-box.vjs-fullscreen video.video-js,
.video-js-box.vjs-fullscreen .vjs-flash-fallback {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}
.video-js-box.vjs-fullscreen img.vjs-poster {
    z-index: 1001;
}
.video-js-box.vjs-fullscreen .vjs-spinner {
    z-index: 1001;
}
.video-js-box.vjs-fullscreen .vjs-controls {
    z-index: 1003;
}
.video-js-box.vjs-fullscreen .vjs-big-play-button {
    z-index: 1004;
}
.video-js-box.vjs-fullscreen .vjs-subtitles {
    z-index: 1004;
}
/* Styles Loaded Check */
.vjs-styles-check {
    height: 5px;
    position: absolute;
}
/* Controls Below Video */
.video-js-box.vjs-controls-below .vjs-controls {
    position: relative;
    opacity: 1;
    background-color: #000;
}
.video-js-box.vjs-controls-below .vjs-subtitles {
    bottom: 75px;
} /* Account for height of controls below video */
/* DEFAULT SKIN (override in another file)
================================================================================
Using all css to draw the controls. Images could be used if desired.
Instead of editing this file, I recommend creating your own skin css file to be included after this file,
so you can upgrade to newer versions easier. */
/* Controls Layout
     Using absolute positioning to position controls */
.video-js-box .vjs-controls {
    position: absolute;
    margin: 0;
    opacity: 0.85;
    color: #fff;
    display: none; /* Start hidden */
    left: 0;
    right: 0; /* 100% width of video-js-box */
    width: 100%;
    bottom: 0px; /* Distance from the bottom of the box/video. Keep 0. Use height to add more bottom margin. */
    height: 35px; /* Including any margin you want above or below control items */
    padding: 0; /* Controls are absolutely position, so no padding necessary */
}
.video-js-box .vjs-controls > div {
    /* Direct div children of control bar */
    position: absolute; /* Use top, bottom, left, and right to specifically position the control. */
    text-align: center;
    margin: 0;
    padding: 0;
    height: 25px; /* Default height of individual controls */
    top: 5px; /* Top margin to put space between video and controls when controls are below */
    /* CSS Background Gradients
        Using to give the aqua-ish look. */
    /* Default */
    background-color: #0b151a;
    /* Webkit */
    background: #1f3744 -webkit-gradient(
            linear,
            left top,
            left bottom,
            from(#0b151a),
            to(#1f3744)
        ) left 12px;
    /* Firefox */
    background: #1f3744 -moz-linear-gradient(top, #0b151a, #1f3744) left 12px;
    /* CSS Curved Corners */
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    /* CSS Shadows */
    box-shadow: 1px 1px 2px #000;
    -webkit-box-shadow: 1px 1px 2px #000;
    -moz-box-shadow: 1px 1px 2px #000;
}
/* Placement of Control Items
     – Left side of pogress bar, use left & width
     – Rigth side of progress bar, use right & width
     – Expand with the video (like progress bar) use left & right */
.vjs-controls > div.vjs-play-control {
    left: 5px;
    width: 25px;
}
.vjs-controls > div.vjs-progress-control {
    left: 35px;
    right: 165px;
} /* Using left & right so it expands with the width of the video */
.vjs-controls > div.vjs-time-control {
    width: 75px;
    right: 90px;
} /* Time control and progress bar are combined to look like one */
.vjs-controls > div.vjs-volume-control {
    width: 50px;
    right: 35px;
}
.vjs-controls > div.vjs-fullscreen-control {
    width: 25px;
    right: 5px;
}
/* Removing curved corners on progress control and time control to join them. */
.vjs-controls > div.vjs-progress-control {
    border-top-right-radius: 0;
    -webkit-border-top-right-radius: 0;
    -moz-border-radius-topright: 0;
    border-bottom-right-radius: 0;
    -webkit-border-bottom-right-radius: 0;
    -moz-border-radius-bottomright: 0;
}
.vjs-controls > div.vjs-time-control {
    border-top-left-radius: 0;
    -webkit-border-top-left-radius: 0;
    -moz-border-radius-topleft: 0;
    border-bottom-left-radius: 0;
    -webkit-border-bottom-left-radius: 0;
    -moz-border-radius-bottomleft: 0;
}
/* Play/Pause
——————————————————————————– */
.vjs-play-control {
    cursor: pointer !important;
}
/* Play Icon */
.vjs-play-control span {
    display: block;
    font-size: 0;
    line-height: 0;
}
.vjs-paused .vjs-play-control span {
    width: 0;
    height: 0;
    margin: 8px 0 0 8px;
    /* Drawing the play triangle with borders – http://www.infimum.dk/HTML/slantinfo.html */
    border-left: 10px solid #fff; /* Width & Color of play icon */
    /* Height of play icon is total top & bottom border widths. Color is transparent. */
    border-top: 5px solid rgba(0, 0, 0, 0);
    border-bottom: 5px solid rgba(0, 0, 0, 0);
}
.vjs-playing .vjs-play-control span {
    width: 3px;
    height: 10px;
    margin: 8px auto 0;
    /* Drawing the pause bars with borders */
    border-top: 0px;
    border-left: 3px solid #fff;
    border-bottom: 0px;
    border-right: 3px solid #fff;
}
/* Progress
——————————————————————————– */
.vjs-progress-holder {
    /* Box containing play and load progresses */
    position: relative;
    padding: 0;
    overflow: hidden;
    cursor: pointer !important;
    height: 9px;
    border: 1px solid #777;
    margin: 7px 1px 0 5px; /* Placement within the progress control item */
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
}
.vjs-progress-holder div {
    /* Progress Bars */
    position: absolute;
    display: block;
    width: 0;
    height: 9px;
    margin: 0;
    padding: 0;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
}
.vjs-play-progress {
    /* CSS Gradient */
    /* Default */
    background: #fff;
    /* Webkit */
    background: -webkit-gradient(
        linear,
        left top,
        left bottom,
        from(#fff),
        to(#777)
    );
    /* Firefox */
    background: -moz-linear-gradient(top, #fff, #777);
}
.vjs-load-progress {
    opacity: 0.8;
    /* CSS Gradient */
    /* Default */
    background-color: #555;
    /* Webkit */
    background: -webkit-gradient(
        linear,
        left top,
        left bottom,
        from(#555),
        to(#aaa)
    );
    /* Firefox */
    background: -moz-linear-gradient(top, #555, #aaa);
}
/* Time Display
——————————————————————————– */
.vjs-controls .vjs-time-control {
    font-size: 10px;
    line-height: 1;
    font-weight: normal;
    font-family: Helvetica, Arial, sans-serif;
}
.vjs-controls .vjs-time-control span {
    line-height: 25px; /* Centering vertically */
}
/* Volume
——————————————————————————– */
.vjs-volume-control {
    cursor: pointer !important;
}
.vjs-volume-control div {
    display: block;
    margin: 0 5px 0 5px;
    padding: 4px 0 0 0;
}
/* Drawing the volume icon using 6 span elements */
.vjs-volume-control div span {
    /* Individual volume bars */
    float: left;
    padding: 0;
    margin: 0 2px 0 0; /* Space between */
    width: 5px;
    height: 0px; /* Total height is height + bottom border */
    border-bottom: 18px solid #555; /* Default (off) color and height of visible portion */
}
.vjs-volume-control div span.vjs-volume-level-on {
    border-color: #fff; /* Volume on bar color */
}
/* Creating differnt bar heights through height (transparent) and bottom border (visible). */
.vjs-volume-control div span:nth-child(1) {
    border-bottom-width: 2px;
    height: 16px;
}
.vjs-volume-control div span:nth-child(2) {
    border-bottom-width: 4px;
    height: 14px;
}
.vjs-volume-control div span:nth-child(3) {
    border-bottom-width: 7px;
    height: 11px;
}
.vjs-volume-control div span:nth-child(4) {
    border-bottom-width: 10px;
    height: 8px;
}
.vjs-volume-control div span:nth-child(5) {
    border-bottom-width: 14px;
    height: 4px;
}
.vjs-volume-control div span:nth-child(6) {
    margin-right: 0;
}
/* Fullscreen
——————————————————————————– */
.vjs-fullscreen-control {
    cursor: pointer !important;
}
.vjs-fullscreen-control div {
    padding: 0;
    text-align: left;
    vertical-align: top;
    cursor: pointer !important;
    margin: 5px 0 0 5px; /* Placement within the fullscreen control item */
    width: 20px;
    height: 20px;
}
/* Drawing the fullscreen icon using 4 span elements */
.vjs-fullscreen-control div span {
    float: left;
    margin: 0;
    padding: 0;
    font-size: 0;
    line-height: 0;
    width: 0;
    text-align: left;
    vertical-align: top;
}
.vjs-fullscreen-control div span:nth-child(1) {
    /* Top-left triangle */
    margin-right: 3px; /* Space between top-left and top-right */
    margin-bottom: 3px; /* Space between top-left and bottom-left */
    border-top: 6px solid #fff; /* Height and color */
    border-right: 6px solid rgba(0, 0, 0, 0); /* Width */
}
.vjs-fullscreen-control div span:nth-child(2) {
    border-top: 6px solid #fff;
    border-left: 6px solid rgba(0, 0, 0, 0);
}
.vjs-fullscreen-control div span:nth-child(3) {
    clear: both;
    margin: 0 3px 0 0;
    border-bottom: 6px solid #fff;
    border-right: 6px solid rgba(0, 0, 0, 0);
}
.vjs-fullscreen-control div span:nth-child(4) {
    border-bottom: 6px solid #fff;
    border-left: 6px solid rgba(0, 0, 0, 0);
}
/* Icon when video is in fullscreen mode */
.vjs-fullscreen .vjs-fullscreen-control div span:nth-child(1) {
    border: none;
    border-bottom: 6px solid #fff;
    border-left: 6px solid rgba(0, 0, 0, 0);
}
.vjs-fullscreen .vjs-fullscreen-control div span:nth-child(2) {
    border: none;
    border-bottom: 6px solid #fff;
    border-right: 6px solid rgba(0, 0, 0, 0);
}
.vjs-fullscreen .vjs-fullscreen-control div span:nth-child(3) {
    border: none;
    border-top: 6px solid #fff;
    border-left: 6px solid rgba(0, 0, 0, 0);
}
.vjs-fullscreen .vjs-fullscreen-control div span:nth-child(4) {
    border: none;
    border-top: 6px solid #fff;
    border-right: 6px solid rgba(0, 0, 0, 0);
}
/* Download Links – Used for browsers that don’t support any video.
———————————————————*/
.vjs-no-video {
    font-size: small;
    line-height: 1.5;
}
/* Big Play Button (at start)
———————————————————*/
div.vjs-big-play-button {
    display: none; /* Start hidden */
    z-index: 2;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    margin: -43px 0 0 -43px;
    text-align: center;
    vertical-align: center;
    cursor: pointer !important;
    border: 3px solid #fff;
    opacity: 0.9;
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    /* CSS Background Gradients */
    /* Default */
    background-color: #0b151a;
    /* Webkit */
    background: #1f3744 -webkit-gradient(
            linear,
            left top,
            left bottom,
            from(#0b151a),
            to(#1f3744)
        ) left 40px;
    /* Firefox */
    background: #1f3744 -moz-linear-gradient(top, #0b151a, #1f3744) left 40px;
    /* CSS Shadows */
    box-shadow: 4px 4px 8px #000;
    -webkit-box-shadow: 4px 4px 8px #000;
    -moz-box-shadow: 4px 4px 8px #000;
}
div.vjs-big-play-button:hover {
    box-shadow: 0px 0px 80px #fff;
    -webkit-box-shadow: 0px 0px 80px #fff;
    -moz-box-shadow: 0px 0px 80px #fff;
}
div.vjs-big-play-button span {
    display: block;
    font-size: 0;
    line-height: 0;
    width: 0;
    height: 0;
    margin: 20px 0 0 23px;
    /* Drawing the play triangle with borders – http://www.infimum.dk/HTML/slantinfo.html */
    border-left: 40px solid #fff; /* Width & Color of play icon */
    /* Height of play icon is total top & bottom border widths. Color is transparent. */
    border-top: 20px solid rgba(0, 0, 0, 0);
    border-bottom: 20px solid rgba(0, 0, 0, 0);
}
/* Spinner Styles
———————————————————*/
/* CSS Spinners by Kilian Valkhof – http://kilianvalkhof.com/2010/css-xhtml/css3-loading-spinners-without-images/ */
.vjs-spinner {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    z-index: 1;
    margin: -50px 0 0 -50px;
    /* Scaling makes the circles look smoother. */
    transform: scale(0.5);
    -webkit-transform: scale(0.5);
    -moz-transform: scale(0.5);
}
/* Spinner circles */
.vjs-spinner div {
    position: absolute;
    left: 40px;
    top: 40px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    border: 1px solid #ccc; /* Added border so can be visible on white backgrounds */
}
/* Each circle */
.vjs-spinner div:nth-child(1) {
    opacity: 0.12;
    transform: rotate(000deg) translate(0, -40px) scale(0.1);
    -webkit-transform: rotate(000deg) translate(0, -40px) scale(0.1);
    -moz-transform: rotate(000deg) translate(0, -40px) scale(0.1);
}
.vjs-spinner div:nth-child(2) {
    opacity: 0.25;
    transform: rotate(045deg) translate(0, -40px) scale(0.2);
    -webkit-transform: rotate(045deg) translate(0, -40px) scale(0.2);
    -moz-transform: rotate(045deg) translate(0, -40px) scale(0.2);
}
.vjs-spinner div:nth-child(3) {
    opacity: 0.37;
    transform: rotate(090deg) translate(0, -40px) scale(0.4);
    -webkit-transform: rotate(090deg) translate(0, -40px) scale(0.4);
    -moz-transform: rotate(090deg) translate(0, -40px) scale(0.4);
}
.vjs-spinner div:nth-child(4) {
    opacity: 0.5;
    transform: rotate(135deg) translate(0, -40px) scale(0.6);
    -webkit-transform: rotate(135deg) translate(0, -40px) scale(0.6);
    -moz-transform: rotate(135deg) translate(0, -40px) scale(0.6);
}
.vjs-spinner div:nth-child(5) {
    opacity: 0.62;
    transform: rotate(180deg) translate(0, -40px) scale(0.8);
    -webkit-transform: rotate(180deg) translate(0, -40px) scale(0.8);
    -moz-transform: rotate(180deg) translate(0, -40px) scale(0.8);
}
.vjs-spinner div:nth-child(6) {
    opacity: 0.75;
    transform: rotate(225deg) translate(0, -40px) scale(1);
    -webkit-transform: rotate(225deg) translate(0, -40px) scale(1);
    -moz-transform: rotate(225deg) translate(0, -40px) scale(1);
}
.vjs-spinner div:nth-child(7) {
    opacity: 0.87;
    transform: rotate(270deg) translate(0, -40px) scale(1.1);
    -webkit-transform: rotate(270deg) translate(0, -40px) scale(1.1);
    -moz-transform: rotate(270deg) translate(0, -40px) scale(1.1);
}
.vjs-spinner div:nth-child(8) {
    opacity: 1;
    transform: rotate(315deg) translate(0, -40px) scale(1.3);
    -webkit-transform: rotate(315deg) translate(0, -40px) scale(1.3);
    -moz-transform: rotate(315deg) translate(0, -40px) scale(1.3);
}

视频js文件:
javascript 代码

/*
VideoJS – HTML5 Video Player
v2.0.2
This file is part of VideoJS. Copyright 2010 Zencoder, Inc.
VideoJS is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
VideoJS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with VideoJS. If not, see <http://www.gnu.org/licenses/>.
*/
// Self-executing function to prevent global vars and help with minification
;(function(window, undefined) {
var document = window.document
// Using jresig’s Class implementation http://ejohn.org/blog/simple-javascript-inheritance/
;(function() {
var initializing = false,
fnTest = /xyz/.test(function() {
xyz
})
? /\b_super\b/
: /.*/
this.JRClass = function() {}
JRClass.extend = function(prop) {
var _super = this.prototype
initializing = true
var prototype = new this()
initializing = false
for (var name in prop) {
prototype[name] =
typeof prop[name] == ‘function’ &&
typeof _super[name] == ‘function’ &&
fnTest.test(prop[name])
? (function(name, fn) {
return function() {
var tmp = this._super
this._super = _super[name]
var ret = fn.apply(this, arguments)
this._super = tmp
return ret
}
})(name, prop[name])
: prop[name]
}
function JRClass() {
if (!initializing && this.init) this.init.apply(this, arguments)
}
JRClass.prototype = prototype
JRClass.constructor = JRClass
JRClass.extend = arguments.callee
return JRClass
}
})()
// Video JS Player Class
var VideoJS = JRClass.extend({
// Initialize the player for the supplied video tag element
// element: video tag
init: function(element, setOptions) {
// Allow an ID string or an element
if (typeof element == ‘string’) {
this.video = document.getElementById(element)
} else {
this.video = element
}
// Store reference to player on the video element.
// So you can acess the player later: document.getElementById(“video_id”).player.play();
this.video.player = this
this.values = {} // Cache video values.
this.elements = {} // Store refs to controls elements.
// Default Options
this.options = {
autoplay: false,
preload: true,
useBuiltInControls: false, // Use the browser’s controls (iPhone)
controlsBelow: false, // Display control bar below video vs. in front of
controlsAtStart: false, // Make controls visible when page loads
controlsHiding: true, // Hide controls when not over the video
defaultVolume: 0.85, // Will be overridden by localStorage volume if available
playerFallbackOrder: [‘html5’, ‘flash’, ‘links’], // Players and order to use them
flashPlayer: ‘htmlObject’,
flashPlayerVersion: false, // Required flash version for fallback
}
// Override default options with global options
if (typeof VideoJS.options == ‘object’) {
_V_.merge(this.options, VideoJS.options)
}
// Override default & global options with options specific to this player
if (typeof setOptions == ‘object’) {
_V_.merge(this.options, setOptions)
}
// Override preload & autoplay with video attributes
if (this.getPreloadAttribute() !== undefined) {
this.options.preload = this.getPreloadAttribute()
}
if (this.getAutoplayAttribute() !== undefined) {
this.options.autoplay = this.getAutoplayAttribute()
}
// Store reference to embed code pieces
this.box = this.video.parentNode
this.linksFallback = this.getLinksFallback()
this.hideLinksFallback() // Will be shown again if “links” player is used
// Loop through the player names list in options, “html5″ etc.
// For each player name, initialize the player with that name under VideoJS.players
// If the player successfully initializes, we’re done
// If not, try the next player in the list
this.each(this.options.playerFallbackOrder, function(playerType) {
if (this[playerType + ‘Supported’]()) {
// Check if player type is supported
this[playerType + ‘Init’]() // Initialize player type
return true // Stop looping though players
}
})
// Start Global Listeners – API doesn’t exist before now
this.activateElement(this, ‘player’)
this.activateElement(this.box, ‘box’)
},
/* Behaviors
================================================================================ */
behaviors: {},
newBehavior: function(name, activate, functions) {
this.behaviors[name] = activate
this.extend(functions)
},
activateElement: function(element, behavior) {
// Allow passing and ID string
if (typeof element == ‘string’) {
element = document.getElementById(element)
}
this.behaviors[behavior].call(this, element)
},
/* Errors/Warnings
================================================================================ */
errors: [], // Array to track errors
warnings: [],
warning: function(warning) {
this.warnings.push(warning)
this.log(warning)
},
/* History of errors/events (not quite there yet)
================================================================================ */
history: [],
log: function(event) {
if (!event) {
return
}
if (typeof event == ‘string’) {
event = { type: event }
}
if (event.type) {
this.history.push(event.type)
}
if (this.history.length >= 50) {
this.history.shift()
}
try {
console.log(event.type)
} catch (e) {
try {
opera.postError(event.type)
} catch (e) {}
}
},
/* Local Storage
================================================================================ */
setLocalStorage: function(key, value) {
if (!localStorage) {
return
}
try {
localStorage[key] = value
} catch (e) {
if (e.code == 22 || e.code == 1014) {
// Webkit == 22 / Firefox == 1014
this.warning(VideoJS.warnings.localStorageFull)
}
}
},
/* Helpers
================================================================================ */
getPreloadAttribute: function() {
if (
typeof this.video.hasAttribute == ‘function’ &&
this.video.hasAttribute(‘preload’)
) {
var preload = this.video.getAttribute(‘preload’)
// Only included the attribute, thinking it was boolean
if (preload === ” || preload === ‘true’) {
return ‘auto’
}
if (preload === ‘false’) {
return ‘none’
}
return preload
}
},
getAutoplayAttribute: function() {
if (
typeof this.video.hasAttribute == ‘function’ &&
this.video.hasAttribute(‘autoplay’)
) {
var autoplay = this.video.getAttribute(‘autoplay’)
if (autoplay === ‘false’) {
return false
}
return true
}
},
// Calculates amoutn of buffer is full
bufferedPercent: function() {
return this.duration() ? this.buffered()[1] / this.duration() : 0
},
// Each that maintains player as context
// Break if true is returned
each: function(arr, fn) {
if (!arr || arr.length === 0) {
return
}
for (var i = 0, j = arr.length; i < j; i++) {
if (fn.call(this, arr[i], i)) {
break
}
}
},
extend: function(obj) {
for (var attrname in obj) {
if (obj.hasOwnProperty(attrname)) {
this[attrname] = obj[attrname]
}
}
},
})
VideoJS.player = VideoJS.prototype
////////////////////////////////////////////////////////////////////////////////
// Player Types
////////////////////////////////////////////////////////////////////////////////
/* Flash Object Fallback (Player Type)
================================================================================ */
VideoJS.player.extend({
flashSupported: function() {
if (!this.flashElement) {
this.flashElement = this.getFlashElement()
}
// Check if object exists & Flash Player version is supported
if (this.flashElement && this.flashPlayerVersionSupported()) {
return true
} else {
return false
}
},
flashInit: function() {
this.replaceWithFlash()
this.element = this.flashElement
this.video.src = ” // Stop video from downloading if HTML5 is still supported
var flashPlayerType = VideoJS.flashPlayers[this.options.flashPlayer]
this.extend(VideoJS.flashPlayers[this.options.flashPlayer].api)
flashPlayerType.init.context(this)()
},
// Get Flash Fallback object element from Embed Code
getFlashElement: function() {
var children = this.video.children
for (var i = 0, j = children.length; i < j; i++) {
if (children[i].className == ‘vjs-flash-fallback’) {
return children[i]
}
}
},
// Used to force a browser to fall back when it’s an HTML5 browser but there’s no supported sources
replaceWithFlash: function() {
// this.flashElement = this.video.removeChild(this.flashElement);
if (this.flashElement) {
this.box.insertBefore(this.flashElement, this.video)
this.video.style.display = ‘none’ // Removing it was breaking later players
}
},
// Check if browser can use this flash player
flashPlayerVersionSupported: function() {
var playerVersion = this.options.flashPlayerVersion
? this.options.flashPlayerVersion
: VideoJS.flashPlayers[this.options.flashPlayer].flashPlayerVersion
return VideoJS.getFlashVersion() >= playerVersion
},
})
VideoJS.flashPlayers = {}
VideoJS.flashPlayers.htmlObject = {
flashPlayerVersion: 9,
init: function() {
return true
},
api: {
// No video API available with HTML Object embed method
width: function(width) {
if (width !== undefined) {
this.element.width = width
this.box.style.width = width + ‘px’
this.triggerResizeListeners()
return this
}
return this.element.width
},
height: function(height) {
if (height !== undefined) {
this.element.height = height
this.box.style.height = height + ‘px’
this.triggerResizeListeners()
return this
}
return this.element.height
},
},
}
/* Download Links Fallback (Player Type)
================================================================================ */
VideoJS.player.extend({
linksSupported: function() {
return true
},
linksInit: function() {
this.showLinksFallback()
this.element = this.video
},
// Get the download links block element
getLinksFallback: function() {
return this.box.getElementsByTagName(‘P’)[0]
},
// Hide no-video download paragraph
hideLinksFallback: function() {
if (this.linksFallback) {
this.linksFallback.style.display = ‘none’
}
},
// Hide no-video download paragraph
showLinksFallback: function() {
if (this.linksFallback) {
this.linksFallback.style.display = ‘block’
}
},
})
////////////////////////////////////////////////////////////////////////////////
// Class Methods
// Functions that don’t apply to individual videos.
////////////////////////////////////////////////////////////////////////////////
// Combine Objects – Use “safe” to protect from overwriting existing items
VideoJS.merge = function(obj1, obj2, safe) {
for (var attrname in obj2) {
if (
obj2.hasOwnProperty(attrname) &&
(!safe || !obj1.hasOwnProperty(attrname))
) {
obj1[attrname] = obj2[attrname]
}
}
return obj1
}
VideoJS.extend = function(obj) {
this.merge(this, obj, true)
}
VideoJS.extend({
// Add VideoJS to all video tags with the video-js class when the DOM is ready
setupAllWhenReady: function(options) {
// Options is stored globally, and added ot any new player on init
VideoJS.options = options
VideoJS.DOMReady(VideoJS.setup)
},
// Run the supplied function when the DOM is ready
DOMReady: function(fn) {
VideoJS.addToDOMReady(fn)
},
// Set up a specific video or array of video elements
// “video” can be:
// false, undefined, or “All”: set up all videos with the video-js class
// A video tag ID or video tag element: set up one video and return one player
// An array of video tag elements/IDs: set up each and return an array of players
setup: function(videos, options) {
var returnSingular = false,
playerList = [],
videoElement
// If videos is undefined or “All”, set up all videos with the video-js class
if (!videos || videos == ‘All’) {
videos = VideoJS.getVideoJSTags()
// If videos is not an array, add to an array
} else if (typeof videos != ‘object’ || videos.nodeType == 1) {
videos = [videos]
returnSingular = true
}
// Loop through videos and create players for them
for (var i = 0; i < videos.length; i++) {
if (typeof videos[i] == ‘string’) {
videoElement = document.getElementById(videos[i])
} else {
// assume DOM object
videoElement = videos[i]
}
playerList.push(new VideoJS(videoElement, options))
}
// Return one or all depending on what was passed in
return returnSingular ? playerList[0] : playerList
},
// Find video tags with the video-js class
getVideoJSTags: function() {
var videoTags = document.getElementsByTagName(‘video’),
videoJSTags = [],
videoTag
for (var i = 0, j = videoTags.length; i < j; i++) {
videoTag = videoTags[i]
if (videoTag.className.indexOf(‘video-js’) != -1) {
videoJSTags.push(videoTag)
}
}
return videoJSTags
},
// Check if the browser supports video.
browserSupportsVideo: function() {
if (typeof VideoJS.videoSupport != ‘undefined’) {
return VideoJS.videoSupport
}
VideoJS.videoSupport = !!document.createElement(‘video’).canPlayType
return VideoJS.videoSupport
},
getFlashVersion: function() {
// Cache Version
if (typeof VideoJS.flashVersion != ‘undefined’) {
return VideoJS.flashVersion
}
var version = 0,
desc
if (
typeof navigator.plugins != ‘undefined’ &&
typeof navigator.plugins[‘Shockwave Flash’] == ‘object’
) {
desc = navigator.plugins[‘Shockwave Flash’].description
if (
desc &&
!(
typeof navigator.mimeTypes != ‘undefined’ &&
navigator.mimeTypes[‘application/x-shockwave-flash’] &&
!navigator.mimeTypes[‘application/x-shockwave-flash’].enabledPlugin
)
) {
version = parseInt(
desc.match(/^.*\s+([^\s]+)\.[^\s]+\s+[^\s]+$/)[1],
10,
)
}
} else if (typeof window.ActiveXObject != ‘undefined’) {
try {
var testObject = new ActiveXObject(‘ShockwaveFlash.ShockwaveFlash’)
if (testObject) {
version = parseInt(
testObject.GetVariable(‘$version’).match(/^[^\s]+\s(\d+)/)[1],
10,
)
}
} catch (e) {}
}
VideoJS.flashVersion = version
return VideoJS.flashVersion
},
// Browser & Device Checks
isIE: function() {
return !+’\v1′
},
isIPad: function() {
return navigator.userAgent.match(/iPad/i) !== null
},
isIPhone: function() {
return navigator.userAgent.match(/iPhone/i) !== null
},
isIOS: function() {
return VideoJS.isIPhone() || VideoJS.isIPad()
},
iOSVersion: function() {
var match = navigator.userAgent.match(/OS (\d+)_/i)
if (match && match[1]) {
return match[1]
}
},
isAndroid: function() {
return navigator.userAgent.match(/Android/i) !== null
},
androidVersion: function() {
var match = navigator.userAgent.match(/Android (\d+)\./i)
if (match && match[1]) {
return match[1]
}
},
warnings: {
// Safari errors if you call functions on a video that hasn’t loaded yet
videoNotReady: ‘Video is not ready yet (try playing the video first).’,
// Getting a QUOTA_EXCEEDED_ERR when setting local storage occasionally
localStorageFull: ‘Local Storage is Full’,
},
})
// Shim to make Video tag valid in IE
if (VideoJS.isIE()) {
document.createElement(‘video’)
}
// Expose to global
window.VideoJS = window._V_ = VideoJS
/* HTML5 Player Type
================================================================================ */
VideoJS.player.extend({
html5Supported: function() {
if (VideoJS.browserSupportsVideo() && this.canPlaySource()) {
return true
} else {
return false
}
},
html5Init: function() {
this.element = this.video
this.fixPreloading() // Support old browsers that used autobuffer
this.supportProgressEvents() // Support browsers that don’t use ‘buffered’
// Set to stored volume OR 85%
this.volume(
(localStorage && localStorage.volume) || this.options.defaultVolume,
)
// Update interface for device needs
if (VideoJS.isIOS()) {
this.options.useBuiltInControls = true
this.iOSInterface()
} else if (VideoJS.isAndroid()) {
this.options.useBuiltInControls = true
this.androidInterface()
}
// Add VideoJS Controls
if (!this.options.useBuiltInControls) {
this.video.controls = false
if (this.options.controlsBelow) {
_V_.addClass(this.box, ‘vjs-controls-below’)
}
// Make a click on th video act as a play button
this.activateElement(this.video, ‘playToggle’)
// Build Interface
this.buildStylesCheckDiv() // Used to check if style are loaded
this.buildAndActivatePoster()
this.buildBigPlayButton()
this.buildAndActivateSpinner()
this.buildAndActivateControlBar()
this.loadInterface() // Show everything once styles are loaded
this.getSubtitles()
}
},
/* Source Managemet
================================================================================ */
canPlaySource: function() {
// Cache Result
if (this.canPlaySourceResult) {
return this.canPlaySourceResult
}
// Loop through sources and check if any can play
var children = this.video.children
for (var i = 0, j = children.length; i < j; i++) {
if (children[i].tagName.toUpperCase() == ‘SOURCE’) {
var canPlay =
this.video.canPlayType(children[i].type) ||
this.canPlayExt(children[i].src)
if (canPlay == ‘probably’ || canPlay == ‘maybe’) {
this.firstPlayableSource = children[i]
this.canPlaySourceResult = true
return true
}
}
}
this.canPlaySourceResult = false
return false
},
// Check if the extention is compatible, for when type won’t work
canPlayExt: function(src) {
if (!src) {
return ”
}
var match = src.match(/\.([^\.]+)$/)
if (match && match[1]) {
var ext = match[1].toLowerCase()
// Android canPlayType doesn’t work
if (VideoJS.isAndroid()) {
if (ext == ‘mp4’ || ext == ‘m4v’) {
return ‘maybe’
}
// Allow Apple HTTP Streaming for iOS
} else if (VideoJS.isIOS()) {
if (ext == ‘m3u8’) {
return ‘maybe’
}
}
}
return ”
},
// Force the video source – Helps fix loading bugs in a handful of devices, like the iPad/iPhone poster bug
// And iPad/iPhone javascript include location bug. And Android type attribute bug
forceTheSource: function() {
this.video.src = this.firstPlayableSource.src // From canPlaySource()
this.video.load()
},
/* Device Fixes
================================================================================ */
// Support older browsers that used “autobuffer”
fixPreloading: function() {
if (
typeof this.video.hasAttribute == ‘function’ &&
this.video.hasAttribute(‘preload’) &&
this.video.preload != ‘none’
) {
this.video.autobuffer = true // Was a boolean
} else {
this.video.autobuffer = false
this.video.preload = ‘none’
}
},
// Listen for Video Load Progress (currently does not if html file is local)
// Buffered does’t work in all browsers, so watching progress as well
supportProgressEvents: function(e) {
_V_.addListener(
this.video,
‘progress’,
this.playerOnVideoProgress.context(this),
)
},
playerOnVideoProgress: function(event) {
this.setBufferedFromProgress(event)
},
setBufferedFromProgress: function(event) {
// HTML5 Only
if (event.total > 0) {
var newBufferEnd = (event.loaded / event.total) * this.duration()
if (newBufferEnd > this.values.bufferEnd) {
this.values.bufferEnd = newBufferEnd
}
}
},
iOSInterface: function() {
if (VideoJS.iOSVersion() < 4) {
this.forceTheSource()
} // Fix loading issues
if (VideoJS.isIPad()) {
// iPad could work with controlsBelow
this.buildAndActivateSpinner() // Spinner still works well on iPad, since iPad doesn’t have one
}
// 自己添加修改的用于苹果手机上显示中间的播放按钮
this.forceTheSource() // Fix loading issues
_V_.addListener(this.video, ‘click’, function() {
this.play()
}) // Required to play
this.buildBigPlayButton() // But don’t activate the normal way. Pause doesn’t work right on android.
_V_.addListener(
this.bigPlayButton,
‘click’,
function() {
this.play()
}.context(this),
)
this.positionBox()
this.showBigPlayButtons()
},
// Fix android specific quirks
// Use built-in controls, but add the big play button, since android doesn’t have one.
androidInterface: function() {
this.forceTheSource() // Fix loading issues
_V_.addListener(this.video, ‘click’, function() {
this.play()
}) // Required to play
this.buildBigPlayButton() // But don’t activate the normal way. Pause doesn’t work right on android.
_V_.addListener(
this.bigPlayButton,
‘click’,
function() {
this.play()
}.context(this),
)
this.positionBox()
this.showBigPlayButtons()
},
/* Wait for styles (TODO: move to _V_)
================================================================================ */
loadInterface: function() {
if (!this.stylesHaveLoaded()) {
// Don’t want to create an endless loop either.
if (!this.positionRetries) {
this.positionRetries = 1
}
if (this.positionRetries++ < 100) {
setTimeout(this.loadInterface.context(this), 10)
return
}
}
this.hideStylesCheckDiv()
this.showPoster()
if (this.video.paused !== false) {
this.showBigPlayButtons()
}
if (this.options.controlsAtStart) {
this.showControlBars()
}
this.positionAll()
},
/* Control Bar
================================================================================ */
buildAndActivateControlBar: function() {
/* Creating this HTML
<div class=”vjs-controls”>
<div class=”vjs-play-control”>
<span></span>
</div>
<div class=”vjs-progress-control”>
<div class=”vjs-progress-holder”>
<div class=”vjs-load-progress”></div>
<div class=”vjs-play-progress”></div>
</div>
</div>
<div class=”vjs-time-control”>
<span class=”vjs-current-time-display”>00:00</span><span> / </span><span class=”vjs-duration-display”>00:00</span>
</div>
<div class=”vjs-volume-control”>
<div>
<span></span><span></span><span></span><span></span><span></span><span></span>
</div>
</div>
<div class=”vjs-fullscreen-control”>
<div>
<span></span><span></span><span></span><span></span>
</div>
</div>
</div>
*/
// Create a div to hold the different controls
this.controls = _V_.createElement(‘div’, { className: ‘vjs-controls’ })
// Add the controls to the video’s container
this.box.appendChild(this.controls)
this.activateElement(this.controls, ‘controlBar’)
this.activateElement(this.controls, ‘mouseOverVideoReporter’)
// Build the play control
this.playControl = _V_.createElement(‘div’, {
className: ‘vjs-play-control’,
innerHTML: ‘<span></span>’,
})
this.controls.appendChild(this.playControl)
this.activateElement(this.playControl, ‘playToggle’)
// Build the progress control
this.progressControl = _V_.createElement(‘div’, {
className: ‘vjs-progress-control’,
})
this.controls.appendChild(this.progressControl)
// Create a holder for the progress bars
this.progressHolder = _V_.createElement(‘div’, {
className: ‘vjs-progress-holder’,
})
this.progressControl.appendChild(this.progressHolder)
this.activateElement(this.progressHolder, ‘currentTimeScrubber’)
// Create the loading progress display
this.loadProgressBar = _V_.createElement(‘div’, {
className: ‘vjs-load-progress’,
})
this.progressHolder.appendChild(this.loadProgressBar)
this.activateElement(this.loadProgressBar, ‘loadProgressBar’)
// Create the playing progress display
this.playProgressBar = _V_.createElement(‘div’, {
className: ‘vjs-play-progress’,
})
this.progressHolder.appendChild(this.playProgressBar)
this.activateElement(this.playProgressBar, ‘playProgressBar’)
// Create the progress time display (00:00 / 00:00)
this.timeControl = _V_.createElement(‘div’, {
className: ‘vjs-time-control’,
})
this.controls.appendChild(this.timeControl)
// Create the current play time display
this.currentTimeDisplay = _V_.createElement(‘span’, {
className: ‘vjs-current-time-display’,
innerHTML: ’00:00′,
})
this.timeControl.appendChild(this.currentTimeDisplay)
this.activateElement(this.currentTimeDisplay, ‘currentTimeDisplay’)
// Add time separator
this.timeSeparator = _V_.createElement(‘span’, { innerHTML: ‘ / ‘ })
this.timeControl.appendChild(this.timeSeparator)
// Create the total duration display
this.durationDisplay = _V_.createElement(‘span’, {
className: ‘vjs-duration-display’,
innerHTML: ’00:00′,
})
this.timeControl.appendChild(this.durationDisplay)
this.activateElement(this.durationDisplay, ‘durationDisplay’)
// Create the volumne control
this.volumeControl = _V_.createElement(‘div’, {
className: ‘vjs-volume-control’,
innerHTML:
‘<div><span></span><span></span><span></span><span></span><span></span><span></span></div>’,
})
this.controls.appendChild(this.volumeControl)
this.activateElement(this.volumeControl, ‘volumeScrubber’)
this.volumeDisplay = this.volumeControl.children[0]
this.activateElement(this.volumeDisplay, ‘volumeDisplay’)
// Crete the fullscreen control
this.fullscreenControl = _V_.createElement(‘div’, {
className: ‘vjs-fullscreen-control’,
innerHTML:
‘<div><span></span><span></span><span></span><span></span></div>’,
})
this.controls.appendChild(this.fullscreenControl)
this.activateElement(this.fullscreenControl, ‘fullscreenToggle’)
},
/* Poster Image
================================================================================ */
buildAndActivatePoster: function() {
this.updatePosterSource()
if (this.video.poster) {
this.poster = document.createElement(‘img’)
// Add poster to video box
this.box.appendChild(this.poster)
// Add poster image data
this.poster.src = this.video.poster
// Add poster styles
this.poster.className = ‘vjs-poster’
this.activateElement(this.poster, ‘poster’)
} else {
this.poster = false
}
},
/* Big Play Button
================================================================================ */
buildBigPlayButton: function() {
/* Creating this HTML
<div class=”vjs-big-play-button”><span></span></div>
*/
this.bigPlayButton = _V_.createElement(‘div’, {
className: ‘vjs-big-play-button’,
innerHTML: ‘<span></span>’,
})
this.box.appendChild(this.bigPlayButton)
this.activateElement(this.bigPlayButton, ‘bigPlayButton’)
},
/* Spinner (Loading)
================================================================================ */
buildAndActivateSpinner: function() {
this.spinner = _V_.createElement(‘div’, {
className: ‘vjs-spinner’,
innerHTML:
‘<div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div>’,
})
this.box.appendChild(this.spinner)
this.activateElement(this.spinner, ‘spinner’)
},
/* Styles Check – Check if styles are loaded (move ot _V_)
================================================================================ */
// Sometimes the CSS styles haven’t been applied to the controls yet
// when we’re trying to calculate the height and position them correctly.
// This causes a flicker where the controls are out of place.
buildStylesCheckDiv: function() {
this.stylesCheckDiv = _V_.createElement(‘div’, {
className: ‘vjs-styles-check’,
})
this.stylesCheckDiv.style.position = ‘absolute’
this.box.appendChild(this.stylesCheckDiv)
},
hideStylesCheckDiv: function() {
this.stylesCheckDiv.style.display = ‘none’
},
stylesHaveLoaded: function() {
if (this.stylesCheckDiv.offsetHeight != 5) {
return false
} else {
return true
}
},
/* VideoJS Box – Holds all elements
================================================================================ */
positionAll: function() {
this.positionBox()
this.positionControlBars()
this.positionPoster()
},
positionBox: function() {
// Set width based on fullscreen or not.
if (this.videoIsFullScreen) {
this.box.style.width = ”
this.element.style.height = ”
if (this.options.controlsBelow) {
this.box.style.height = ”
this.element.style.height =
this.box.offsetHeight – this.controls.offsetHeight + ‘px’
}
} else {
this.box.style.width = this.width() + ‘px’
this.element.style.height = this.height() + ‘px’
if (this.options.controlsBelow) {
this.element.style.height = ”
// this.box.style.height = this.video.offsetHeight + this.controls.offsetHeight + “px”;
}
}
},
/* Subtitles
================================================================================ */
getSubtitles: function() {
var tracks = this.video.getElementsByTagName(‘TRACK’)
for (var i = 0, j = tracks.length; i < j; i++) {
if (
tracks[i].getAttribute(‘kind’) == ‘subtitles’ &&
tracks[i].getAttribute(‘src’)
) {
this.subtitlesSource = tracks[i].getAttribute(‘src’)
this.loadSubtitles()
this.buildSubtitles()
}
}
},
loadSubtitles: function() {
_V_.get(this.subtitlesSource, this.parseSubtitles.context(this))
},
parseSubtitles: function(subText) {
var lines = subText.split(‘\n’),
line = ”,
subtitle,
time,
text
this.subtitles = []
this.currentSubtitle = false
this.lastSubtitleIndex = 0
for (var i = 0; i < lines.length; i++) {
line = _V_.trim(lines[i]) // Trim whitespace and linebreaks
if (line) {
// Loop until a line with content
// First line – Number
subtitle = {
id: line, // Subtitle Number
index: this.subtitles.length, // Position in Array
}
// Second line – Time
line = _V_.trim(lines[++i])
time = line.split(‘ –> ‘)
subtitle.start = this.parseSubtitleTime(time[0])
subtitle.end = this.parseSubtitleTime(time[1])
// Additional lines – Subtitle Text
text = []
for (var j = i; j < lines.length; j++) {
// Loop until a blank line or end of lines
line = _V_.trim(lines[++i])
if (!line) {
break
}
text.push(line)
}
subtitle.text = text.join(‘<br/>’)
// Add this subtitle
this.subtitles.push(subtitle)
}
}
},
parseSubtitleTime: function(timeText) {
var parts = timeText.split(‘:’),
time = 0
// hours => seconds
time += parseFloat(parts[0]) * 60 * 60
// minutes => seconds
time += parseFloat(parts[1]) * 60
// get seconds
var seconds = parts[2].split(/\.|,/) // Either . or ,
time += parseFloat(seconds[0])
// add miliseconds
ms = parseFloat(seconds[1])
if (ms) {
time += ms / 1000
}
return time
},
buildSubtitles: function() {
/* Creating this HTML
<div class=”vjs-subtitles”></div>
*/
this.subtitlesDisplay = _V_.createElement(‘div’, {
className: ‘vjs-subtitles’,
})
this.box.appendChild(this.subtitlesDisplay)
this.activateElement(this.subtitlesDisplay, ‘subtitlesDisplay’)
},
/* Player API – Translate functionality from player to video
================================================================================ */
addVideoListener: function(type, fn) {
_V_.addListener(this.video, type, fn.rEvtContext(this))
},
play: function() {
this.video.play()
return this
},
onPlay: function(fn) {
this.addVideoListener(‘play’, fn)
return this
},
pause: function() {
this.video.pause()
return this
},
onPause: function(fn) {
this.addVideoListener(‘pause’, fn)
return this
},
paused: function() {
return this.video.paused
},
currentTime: function(seconds) {
if (seconds !== undefined) {
try {
this.video.currentTime = seconds
} catch (e) {
this.warning(VideoJS.warnings.videoNotReady)
}
this.values.currentTime = seconds
return this
}
return this.video.currentTime
},
onCurrentTimeUpdate: function(fn) {
this.currentTimeListeners.push(fn)
},
duration: function() {
return this.video.duration
},
buffered: function() {
// Storing values allows them be overridden by setBufferedFromProgress
if (this.values.bufferStart === undefined) {
this.values.bufferStart = 0
this.values.bufferEnd = 0
}
if (this.video.buffered && this.video.buffered.length > 0) {
var newEnd = this.video.buffered.end(0)
if (newEnd > this.values.bufferEnd) {
this.values.bufferEnd = newEnd
}
}
return [this.values.bufferStart, this.values.bufferEnd]
},
volume: function(percentAsDecimal) {
if (percentAsDecimal !== undefined) {
// Force value to between 0 and 1
this.values.volume = Math.max(
0,
Math.min(1, parseFloat(percentAsDecimal)),
)
this.video.volume = this.values.volume
this.setLocalStorage(‘volume’, this.values.volume)
return this
}
if (this.values.volume) {
return this.values.volume
}
return this.video.volume
},
onVolumeChange: function(fn) {
_V_.addListener(this.video, ‘volumechange’, fn.rEvtContext(this))
},
width: function(width) {
if (width !== undefined) {
this.video.width = width // Not using style so it can be overridden on fullscreen.
this.box.style.width = width + ‘px’
this.triggerResizeListeners()
return this
}
return this.video.offsetWidth
},
height: function(height) {
if (height !== undefined) {
this.video.height = height
this.box.style.height = height + ‘px’
this.triggerResizeListeners()
return this
}
return this.video.offsetHeight
},
supportsFullScreen: function() {
if (typeof this.video.webkitEnterFullScreen == ‘function’) {
// Seems to be broken in Chromium/Chrome
if (
!navigator.userAgent.match(‘Chrome’) &&
!navigator.userAgent.match(‘Mac OS X 10.5’)
) {
return true
}
}
return false
},
html5EnterNativeFullScreen: function() {
try {
this.video.webkitEnterFullScreen()
} catch (e) {
if (e.code == 11) {
this.warning(VideoJS.warnings.videoNotReady)
}
}
return this
},
// Turn on fullscreen (window) mode
// Real fullscreen isn’t available in browsers quite yet.
enterFullScreen: function() {
if (this.supportsFullScreen()) {
this.html5EnterNativeFullScreen()
} else {
this.enterFullWindow()
}
},
exitFullScreen: function() {
if (this.supportsFullScreen()) {
// Shouldn’t be called
} else {
this.exitFullWindow()
}
},
enterFullWindow: function() {
this.videoIsFullScreen = true
// Storing original doc overflow value to return to when fullscreen is off
this.docOrigOverflow = document.documentElement.style.overflow
// Add listener for esc key to exit fullscreen
_V_.addListener(
document,
‘keydown’,
this.fullscreenOnEscKey.rEvtContext(this),
)
// Add listener for a window resize
_V_.addListener(
window,
‘resize’,
this.fullscreenOnWindowResize.rEvtContext(this),
)
// Hide any scroll bars
document.documentElement.style.overflow = ‘hidden’
// Apply fullscreen styles
_V_.addClass(this.box, ‘vjs-fullscreen’)
// Resize the box, controller, and poster
this.positionAll()
},
// Turn off fullscreen (window) mode
exitFullWindow: function() {
this.videoIsFullScreen = false
document.removeEventListener(‘keydown’, this.fullscreenOnEscKey, false)
window.removeEventListener(‘resize’, this.fullscreenOnWindowResize, false)
// Unhide scroll bars.
document.documentElement.style.overflow = this.docOrigOverflow
// Remove fullscreen styles
_V_.removeClass(this.box, ‘vjs-fullscreen’)
// Resize the box, controller, and poster to original sizes
this.positionAll()
},
onError: function(fn) {
this.addVideoListener(‘error’, fn)
return this
},
onEnded: function(fn) {
this.addVideoListener(‘ended’, fn)
return this
},
})
////////////////////////////////////////////////////////////////////////////////
// Element Behaviors
// Tell elements how to act or react
////////////////////////////////////////////////////////////////////////////////
/* Player Behaviors – How VideoJS reacts to what the video is doing.
================================================================================ */
VideoJS.player.newBehavior(
‘player’,
function(player) {
this.onError(this.playerOnVideoError)
// Listen for when the video is played
this.onPlay(this.playerOnVideoPlay)
this.onPlay(this.trackCurrentTime)
// Listen for when the video is paused
this.onPause(this.playerOnVideoPause)
this.onPause(this.stopTrackingCurrentTime)
// Listen for when the video ends
this.onEnded(this.playerOnVideoEnded)
// Set interval for load progress using buffer watching method
// this.trackCurrentTime();
this.trackBuffered()
// Buffer Full
this.onBufferedUpdate(this.isBufferFull)
},
{
playerOnVideoError: function(event) {
this.log(event)
this.log(this.video.error)
},
playerOnVideoPlay: function(event) {
this.hasPlayed = true
},
playerOnVideoPause: function(event) {},
playerOnVideoEnded: function(event) {
this.currentTime(0)
this.pause()
},
/* Load Tracking ————————————————————– */
// Buffer watching method for load progress.
// Used for browsers that don’t support the progress event
trackBuffered: function() {
this.bufferedInterval = setInterval(
this.triggerBufferedListeners.context(this),
500,
)
},
stopTrackingBuffered: function() {
clearInterval(this.bufferedInterval)
},
bufferedListeners: [],
onBufferedUpdate: function(fn) {
this.bufferedListeners.push(fn)
},
triggerBufferedListeners: function() {
this.isBufferFull()
this.each(this.bufferedListeners, function(listener) {
listener.context(this)()
})
},
isBufferFull: function() {
if (this.bufferedPercent() == 1) {
this.stopTrackingBuffered()
}
},
/* Time Tracking ————————————————————– */
trackCurrentTime: function() {
if (this.currentTimeInterval) {
clearInterval(this.currentTimeInterval)
}
this.currentTimeInterval = setInterval(
this.triggerCurrentTimeListeners.context(this),
100,
) // 42 = 24 fps
this.trackingCurrentTime = true
},
// Turn off play progress tracking (when paused or dragging)
stopTrackingCurrentTime: function() {
clearInterval(this.currentTimeInterval)
this.trackingCurrentTime = false
},
currentTimeListeners: [],
// onCurrentTimeUpdate is in API section now
triggerCurrentTimeListeners: function(late, newTime) {
// FF passes milliseconds late as the first argument
this.each(this.currentTimeListeners, function(listener) {
listener.context(this)(newTime || this.currentTime())
})
},
/* Resize Tracking ————————————————————– */
resizeListeners: [],
onResize: function(fn) {
this.resizeListeners.push(fn)
},
// Trigger anywhere the video/box size is changed.
triggerResizeListeners: function() {
this.each(this.resizeListeners, function(listener) {
listener.context(this)()
})
},
},
)
/* Mouse Over Video Reporter Behaviors – i.e. Controls hiding based on mouse location
================================================================================ */
VideoJS.player.newBehavior(
‘mouseOverVideoReporter’,
function(element) {
// Listen for the mouse move the video. Used to reveal the controller.
_V_.addListener(
element,
‘mousemove’,
this.mouseOverVideoReporterOnMouseMove.context(this),
)
// Listen for the mouse moving out of the video. Used to hide the controller.
_V_.addListener(
element,
‘mouseout’,
this.mouseOverVideoReporterOnMouseOut.context(this),
)
},
{
mouseOverVideoReporterOnMouseMove: function() {
this.showControlBars()
clearInterval(this.mouseMoveTimeout)
this.mouseMoveTimeout = setTimeout(
this.hideControlBars.context(this),
4000,
)
},
mouseOverVideoReporterOnMouseOut: function(event) {
// Prevent flicker by making sure mouse hasn’t left the video
var parent = event.relatedTarget
while (parent && parent !== this.box) {
parent = parent.parentNode
}
if (parent !== this.box) {
this.hideControlBars()
}
},
},
)
/* Mouse Over Video Reporter Behaviors – i.e. Controls hiding based on mouse location
================================================================================ */
VideoJS.player.newBehavior(
‘box’,
function(element) {
this.positionBox()
_V_.addClass(element, ‘vjs-paused’)
this.activateElement(element, ‘mouseOverVideoReporter’)
this.onPlay(this.boxOnVideoPlay)
this.onPause(this.boxOnVideoPause)
},
{
boxOnVideoPlay: function() {
_V_.removeClass(this.box, ‘vjs-paused’)
_V_.addClass(this.box, ‘vjs-playing’)
},
boxOnVideoPause: function() {
_V_.removeClass(this.box, ‘vjs-playing’)
_V_.addClass(this.box, ‘vjs-paused’)
},
},
)
/* Poster Image Overlay
================================================================================ */
VideoJS.player.newBehavior(
‘poster’,
function(element) {
this.activateElement(element, ‘mouseOverVideoReporter’)
this.activateElement(element, ‘playButton’)
this.onPlay(this.hidePoster)
this.onEnded(this.showPoster)
this.onResize(this.positionPoster)
},
{
showPoster: function() {
if (!this.poster) {
return
}
this.poster.style.display = ‘block’
this.positionPoster()
},
positionPoster: function() {
// Only if the poster is visible
if (!this.poster || this.poster.style.display == ‘none’) {
return
}
this.poster.style.height = this.height() + ‘px’ // Need incase controlsBelow
this.poster.style.width = this.width() + ‘px’ // Could probably do 100% of box
},
hidePoster: function() {
if (!this.poster) {
return
}
this.poster.style.display = ‘none’
},
// Update poster source from attribute or fallback image
// iPad breaks if you include a poster attribute, so this fixes that
updatePosterSource: function() {
if (!this.video.poster) {
var images = this.video.getElementsByTagName(‘img’)
if (images.length > 0) {
this.video.poster = images[0].src
}
}
},
},
)
/* Control Bar Behaviors
================================================================================ */
VideoJS.player.newBehavior(
‘controlBar’,
function(element) {
if (!this.controlBars) {
this.controlBars = []
this.onResize(this.positionControlBars)
}
this.controlBars.push(element)
_V_.addListener(
element,
‘mousemove’,
this.onControlBarsMouseMove.context(this),
)
_V_.addListener(
element,
‘mouseout’,
this.onControlBarsMouseOut.context(this),
)
},
{
showControlBars: function() {
if (!this.options.controlsAtStart && !this.hasPlayed) {
return
}
this.each(this.controlBars, function(bar) {
bar.style.display = ‘block’
})
},
// Place controller relative to the video’s position (now just resizing bars)
positionControlBars: function() {
this.updatePlayProgressBars()
this.updateLoadProgressBars()
},
hideControlBars: function() {
if (this.options.controlsHiding && !this.mouseIsOverControls) {
this.each(this.controlBars, function(bar) {
bar.style.display = ‘none’
})
}
},
// Block controls from hiding when mouse is over them.
onControlBarsMouseMove: function() {
this.mouseIsOverControls = true
},
onControlBarsMouseOut: function(event) {
this.mouseIsOverControls = false
},
},
)
/* PlayToggle, PlayButton, PauseButton Behaviors
================================================================================ */
// Play Toggle
VideoJS.player.newBehavior(
‘playToggle’,
function(element) {
if (!this.elements.playToggles) {
this.elements.playToggles = []
this.onPlay(this.playTogglesOnPlay)
this.onPause(this.playTogglesOnPause)
}
this.elements.playToggles.push(element)
_V_.addListener(element, ‘click’, this.onPlayToggleClick.context(this))
},
{
onPlayToggleClick: function(event) {
if (this.paused()) {
this.play()
} else {
this.pause()
}
},
playTogglesOnPlay: function(event) {
this.each(this.elements.playToggles, function(toggle) {
_V_.removeClass(toggle, ‘vjs-paused’)
_V_.addClass(toggle, ‘vjs-playing’)
})
},
playTogglesOnPause: function(event) {
this.each(this.elements.playToggles, function(toggle) {
_V_.removeClass(toggle, ‘vjs-playing’)
_V_.addClass(toggle, ‘vjs-paused’)
})
},
},
)
// Play
VideoJS.player.newBehavior(
‘playButton’,
function(element) {
_V_.addListener(element, ‘click’, this.onPlayButtonClick.context(this))
},
{
onPlayButtonClick: function(event) {
this.play()
},
},
)
// Pause
VideoJS.player.newBehavior(
‘pauseButton’,
function(element) {
_V_.addListener(element, ‘click’, this.onPauseButtonClick.context(this))
},
{
onPauseButtonClick: function(event) {
this.pause()
},
},
)
/* Play Progress Bar Behaviors
================================================================================ */
VideoJS.player.newBehavior(
‘playProgressBar’,
function(element) {
if (!this.playProgressBars) {
this.playProgressBars = []
this.onCurrentTimeUpdate(this.updatePlayProgressBars)
}
this.playProgressBars.push(element)
},
{
// Ajust the play progress bar’s width based on the current play time
updatePlayProgressBars: function(newTime) {
var progress =
newTime !== undefined
? newTime / this.duration()
: this.currentTime() / this.duration()
if (isNaN(progress)) {
progress = 0
}
this.each(this.playProgressBars, function(bar) {
if (bar.style) {
bar.style.width = _V_.round(progress * 100, 2) + ‘%’
}
})
},
},
)
/* Load Progress Bar Behaviors
================================================================================ */
VideoJS.player.newBehavior(
‘loadProgressBar’,
function(element) {
if (!this.loadProgressBars) {
this.loadProgressBars = []
}
this.loadProgressBars.push(element)
this.onBufferedUpdate(this.updateLoadProgressBars)
},
{
updateLoadProgressBars: function() {
this.each(this.loadProgressBars, function(bar) {
if (bar.style) {
bar.style.width = _V_.round(this.bufferedPercent() * 100, 2) + ‘%’
}
})
},
},
)
/* Current Time Display Behaviors
================================================================================ */
VideoJS.player.newBehavior(
‘currentTimeDisplay’,
function(element) {
if (!this.currentTimeDisplays) {
this.currentTimeDisplays = []
this.onCurrentTimeUpdate(this.updateCurrentTimeDisplays)
}
this.currentTimeDisplays.push(element)
},
{
// Update the displayed time (00:00)
updateCurrentTimeDisplays: function(newTime) {
if (!this.currentTimeDisplays) {
return
}
// Allows for smooth scrubbing, when player can’t keep up.
var time = newTime ? newTime : this.currentTime()
this.each(this.currentTimeDisplays, function(dis) {
dis.innerHTML = _V_.formatTime(time)
})
},
},
)
/* Duration Display Behaviors
================================================================================ */
VideoJS.player.newBehavior(
‘durationDisplay’,
function(element) {
if (!this.durationDisplays) {
this.durationDisplays = []
this.onCurrentTimeUpdate(this.updateDurationDisplays)
}
this.durationDisplays.push(element)
},
{
updateDurationDisplays: function() {
if (!this.durationDisplays) {
return
}
this.each(this.durationDisplays, function(dis) {
if (this.duration()) {
dis.innerHTML = _V_.formatTime(this.duration())
}
})
},
},
)
/* Current Time Scrubber Behaviors
================================================================================ */
VideoJS.player.newBehavior(
‘currentTimeScrubber’,
function(element) {
_V_.addListener(
element,
‘mousedown’,
this.onCurrentTimeScrubberMouseDown.rEvtContext(this),
)
},
{
// Adjust the play position when the user drags on the progress bar
onCurrentTimeScrubberMouseDown: function(event, scrubber) {
event.preventDefault()
this.currentScrubber = scrubber
this.stopTrackingCurrentTime() // Allows for smooth scrubbing
this.videoWasPlaying = !this.paused()
this.pause()
_V_.blockTextSelection()
this.setCurrentTimeWithScrubber(event)
_V_.addListener(
document,
‘mousemove’,
this.onCurrentTimeScrubberMouseMove.rEvtContext(this),
)
_V_.addListener(
document,
‘mouseup’,
this.onCurrentTimeScrubberMouseUp.rEvtContext(this),
)
},
onCurrentTimeScrubberMouseMove: function(event) {
// Removeable
this.setCurrentTimeWithScrubber(event)
},
onCurrentTimeScrubberMouseUp: function(event) {
// Removeable
_V_.unblockTextSelection()
document.removeEventListener(
‘mousemove’,
this.onCurrentTimeScrubberMouseMove,
false,
)
document.removeEventListener(
‘mouseup’,
this.onCurrentTimeScrubberMouseUp,
false,
)
if (this.videoWasPlaying) {
this.play()
this.trackCurrentTime()
}
},
setCurrentTimeWithScrubber: function(event) {
var newProgress = _V_.getRelativePosition(
event.pageX,
this.currentScrubber,
)
var newTime = newProgress * this.duration()
this.triggerCurrentTimeListeners(0, newTime) // Allows for smooth scrubbing
// Don’t let video end while scrubbing.
if (newTime == this.duration()) {
newTime = newTime – 0.1
}
this.currentTime(newTime)
},
},
)
/* Volume Display Behaviors
================================================================================ */
VideoJS.player.newBehavior(
‘volumeDisplay’,
function(element) {
if (!this.volumeDisplays) {
this.volumeDisplays = []
this.onVolumeChange(this.updateVolumeDisplays)
}
this.volumeDisplays.push(element)
this.updateVolumeDisplay(element) // Set the display to the initial volume
},
{
// Update the volume control display
// Unique to these default controls. Uses borders to create the look of bars.
updateVolumeDisplays: function() {
if (!this.volumeDisplays) {
return
}
this.each(this.volumeDisplays, function(dis) {
this.updateVolumeDisplay(dis)
})
},
updateVolumeDisplay: function(display) {
var volNum = Math.ceil(this.volume() * 6)
this.each(display.children, function(child, num) {
if (num < volNum) {
_V_.addClass(child, ‘vjs-volume-level-on’)
} else {
_V_.removeClass(child, ‘vjs-volume-level-on’)
}
})
},
},
)
/* Volume Scrubber Behaviors
================================================================================ */
VideoJS.player.newBehavior(
‘volumeScrubber’,
function(element) {
_V_.addListener(
element,
‘mousedown’,
this.onVolumeScrubberMouseDown.rEvtContext(this),
)
},
{
// Adjust the volume when the user drags on the volume control
onVolumeScrubberMouseDown: function(event, scrubber) {
// event.preventDefault();
_V_.blockTextSelection()
this.currentScrubber = scrubber
this.setVolumeWithScrubber(event)
_V_.addListener(
document,
‘mousemove’,
this.onVolumeScrubberMouseMove.rEvtContext(this),
)
_V_.addListener(
document,
‘mouseup’,
this.onVolumeScrubberMouseUp.rEvtContext(this),
)
},
onVolumeScrubberMouseMove: function(event) {
this.setVolumeWithScrubber(event)
},
onVolumeScrubberMouseUp: function(event) {
this.setVolumeWithScrubber(event)
_V_.unblockTextSelection()
document.removeEventListener(
‘mousemove’,
this.onVolumeScrubberMouseMove,
false,
)
document.removeEventListener(
‘mouseup’,
this.onVolumeScrubberMouseUp,
false,
)
},
setVolumeWithScrubber: function(event) {
var newVol = _V_.getRelativePosition(event.pageX, this.currentScrubber)
this.volume(newVol)
},
},
)
/* Fullscreen Toggle Behaviors
================================================================================ */
VideoJS.player.newBehavior(
‘fullscreenToggle’,
function(element) {
_V_.addListener(
element,
‘click’,
this.onFullscreenToggleClick.context(this),
)
},
{
// When the user clicks on the fullscreen button, update fullscreen setting
onFullscreenToggleClick: function(event) {
if (!this.videoIsFullScreen) {
this.enterFullScreen()
} else {
this.exitFullScreen()
}
},
fullscreenOnWindowResize: function(event) {
// Removeable
this.positionControlBars()
},
// Create listener for esc key while in full screen mode
fullscreenOnEscKey: function(event) {
// Removeable
if (event.keyCode == 27) {
this.exitFullScreen()
}
},
},
)
/* Big Play Button Behaviors
================================================================================ */
VideoJS.player.newBehavior(
‘bigPlayButton’,
function(element) {
if (!this.elements.bigPlayButtons) {
this.elements.bigPlayButtons = []
this.onPlay(this.bigPlayButtonsOnPlay)
this.onEnded(this.bigPlayButtonsOnEnded)
}
this.elements.bigPlayButtons.push(element)
this.activateElement(element, ‘playButton’)
},
{
bigPlayButtonsOnPlay: function(event) {
this.hideBigPlayButtons()
},
bigPlayButtonsOnEnded: function(event) {
this.showBigPlayButtons()
},
showBigPlayButtons: function() {
this.each(this.elements.bigPlayButtons, function(element) {
element.style.display = ‘block’
})
},
hideBigPlayButtons: function() {
this.each(this.elements.bigPlayButtons, function(element) {
element.style.display = ‘none’
})
},
},
)
/* Spinner
================================================================================ */
VideoJS.player.newBehavior(
‘spinner’,
function(element) {
if (!this.spinners) {
this.spinners = []
_V_.addListener(
this.video,
‘loadeddata’,
this.spinnersOnVideoLoadedData.context(this),
)
_V_.addListener(
this.video,
‘loadstart’,
this.spinnersOnVideoLoadStart.context(this),
)
_V_.addListener(
this.video,
‘seeking’,
this.spinnersOnVideoSeeking.context(this),
)
_V_.addListener(
this.video,
‘seeked’,
this.spinnersOnVideoSeeked.context(this),
)
_V_.addListener(
this.video,
‘canplay’,
this.spinnersOnVideoCanPlay.context(this),
)
_V_.addListener(
this.video,
‘canplaythrough’,
this.spinnersOnVideoCanPlayThrough.context(this),
)
_V_.addListener(
this.video,
‘waiting’,
this.spinnersOnVideoWaiting.context(this),
)
_V_.addListener(
this.video,
‘stalled’,
this.spinnersOnVideoStalled.context(this),
)
_V_.addListener(
this.video,
‘suspend’,
this.spinnersOnVideoSuspend.context(this),
)
_V_.addListener(
this.video,
‘playing’,
this.spinnersOnVideoPlaying.context(this),
)
_V_.addListener(
this.video,
‘timeupdate’,
this.spinnersOnVideoTimeUpdate.context(this),
)
}
this.spinners.push(element)
},
{
showSpinners: function() {
this.each(this.spinners, function(spinner) {
spinner.style.display = ‘block’
})
clearInterval(this.spinnerInterval)
this.spinnerInterval = setInterval(
this.rotateSpinners.context(this),
100,
)
},
hideSpinners: function() {
this.each(this.spinners, function(spinner) {
spinner.style.display = ‘none’
})
clearInterval(this.spinnerInterval)
},
spinnersRotated: 0,
rotateSpinners: function() {
this.each(this.spinners, function(spinner) {
// spinner.style.transform = ‘scale(0.5) rotate(‘+this.spinnersRotated+’deg)’;
spinner.style.WebkitTransform =
‘scale(0.5) rotate(‘ + this.spinnersRotated + ‘deg)’
spinner.style.MozTransform =
‘scale(0.5) rotate(‘ + this.spinnersRotated + ‘deg)’
})
if (this.spinnersRotated == 360) {
this.spinnersRotated = 0
}
this.spinnersRotated += 45
},
spinnersOnVideoLoadedData: function(event) {
this.hideSpinners()
},
spinnersOnVideoLoadStart: function(event) {
this.showSpinners()
},
spinnersOnVideoSeeking: function(event) {
/* this.showSpinners(); */
},
spinnersOnVideoSeeked: function(event) {
/* this.hideSpinners(); */
},
spinnersOnVideoCanPlay: function(event) {
/* this.hideSpinners(); */
},
spinnersOnVideoCanPlayThrough: function(event) {
this.hideSpinners()
},
spinnersOnVideoWaiting: function(event) {
// Safari sometimes triggers waiting inappropriately
// Like after video has played, any you play again.
this.showSpinners()
},
spinnersOnVideoStalled: function(event) {},
spinnersOnVideoSuspend: function(event) {},
spinnersOnVideoPlaying: function(event) {
this.hideSpinners()
},
spinnersOnVideoTimeUpdate: function(event) {
// Safari sometimes calls waiting and doesn’t recover
if (this.spinner.style.display == ‘block’) {
this.hideSpinners()
}
},
},
)
/* Subtitles
================================================================================ */
VideoJS.player.newBehavior(
‘subtitlesDisplay’,
function(element) {
if (!this.subtitleDisplays) {
this.subtitleDisplays = []
this.onCurrentTimeUpdate(this.subtitleDisplaysOnVideoTimeUpdate)
this.onEnded(
function() {
this.lastSubtitleIndex = 0
}.context(this),
)
}
this.subtitleDisplays.push(element)
},
{
subtitleDisplaysOnVideoTimeUpdate: function(time) {
// Assuming all subtitles are in order by time, and do not overlap
if (this.subtitles) {
// If current subtitle should stay showing, don’t do anything. Otherwise, find new subtitle.
if (
!this.currentSubtitle ||
this.currentSubtitle.start >= time ||
this.currentSubtitle.end < time
) {
var newSubIndex = false,
// Loop in reverse if lastSubtitle is after current time (optimization)
// Meaning the user is scrubbing in reverse or rewinding
reverse = this.subtitles[this.lastSubtitleIndex].start > time,
// If reverse, step back 1 becase we know it’s not the lastSubtitle
i = this.lastSubtitleIndex – reverse ? 1 : 0
while (true) {
// Loop until broken
if (reverse) {
// Looping in reverse
// Stop if no more, or this subtitle ends before the current time (no earlier subtitles should apply)
if (i < 0 || this.subtitles[i].end < time) {
break
}
// End is greater than time, so if start is less, show this subtitle
if (this.subtitles[i].start < time) {
newSubIndex = i
break
}
i–
} else {
// Looping forward
// Stop if no more, or this subtitle starts after time (no later subtitles should apply)
if (
i >= this.subtitles.length ||
this.subtitles[i].start > time
) {
break
}
// Start is less than time, so if end is later, show this subtitle
if (this.subtitles[i].end > time) {
newSubIndex = i
break
}
i++
}
}
// Set or clear current subtitle
if (newSubIndex !== false) {
this.currentSubtitle = this.subtitles[newSubIndex]
this.lastSubtitleIndex = newSubIndex
this.updateSubtitleDisplays(this.currentSubtitle.text)
} else if (this.currentSubtitle) {
this.currentSubtitle = false
this.updateSubtitleDisplays(”)
}
}
}
},
updateSubtitleDisplays: function(val) {
this.each(this.subtitleDisplays, function(disp) {
disp.innerHTML = val
})
},
},
)
////////////////////////////////////////////////////////////////////////////////
// Convenience Functions (mini library)
// Functions not specific to video or VideoJS and could probably be replaced with a library like jquery
////////////////////////////////////////////////////////////////////////////////
VideoJS.extend({
addClass: function(element, classToAdd) {
if (
(‘ ‘ + element.className + ‘ ‘).indexOf(‘ ‘ + classToAdd + ‘ ‘) == -1
) {
element.className =
element.className === ”
? classToAdd
: element.className + ‘ ‘ + classToAdd
}
},
removeClass: function(element, classToRemove) {
if (element.className.indexOf(classToRemove) == -1) {
return
}
var classNames = element.className.split(/\s+/)
classNames.splice(classNames.lastIndexOf(classToRemove), 1)
element.className = classNames.join(‘ ‘)
},
createElement: function(tagName, attributes) {
return this.merge(document.createElement(tagName), attributes)
},
// Attempt to block the ability to select text while dragging controls
blockTextSelection: function() {
document.body.focus()
document.onselectstart = function() {
return false
}
},
// Turn off text selection blocking
unblockTextSelection: function() {
document.onselectstart = function() {
return true
}
},
// Return seconds as MM:SS
formatTime: function(secs) {
var seconds = Math.round(secs)
var minutes = Math.floor(seconds / 60)
minutes = minutes >= 10 ? minutes : ‘0’ + minutes
seconds = Math.floor(seconds % 60)
seconds = seconds >= 10 ? seconds : ‘0’ + seconds
return minutes + ‘:’ + seconds
},
// Return the relative horizonal position of an event as a value from 0-1
getRelativePosition: function(x, relativeElement) {
return Math.max(
0,
Math.min(
1,
(x – this.findPosX(relativeElement)) / relativeElement.offsetWidth,
),
)
},
// Get an objects position on the page
findPosX: function(obj) {
var curleft = obj.offsetLeft
while ((obj = obj.offsetParent)) {
curleft += obj.offsetLeft
}
return curleft
},
getComputedStyleValue: function(element, style) {
return window.getComputedStyle(element, null).getPropertyValue(style)
},
round: function(num, dec) {
if (!dec) {
dec = 0
}
return Math.round(num * Math.pow(10, dec)) / Math.pow(10, dec)
},
addListener: function(element, type, handler) {
if (element.addEventListener) {
element.addEventListener(type, handler, false)
} else if (element.attachEvent) {
element.attachEvent(‘on’ + type, handler)
}
},
removeListener: function(element, type, handler) {
if (element.removeEventListener) {
element.removeEventListener(type, handler, false)
} else if (element.attachEvent) {
element.detachEvent(‘on’ + type, handler)
}
},
get: function(url, onSuccess) {
if (typeof XMLHttpRequest == ‘undefined’) {
XMLHttpRequest = function() {
try {
return new ActiveXObject(‘Msxml2.XMLHTTP.6.0’)
} catch (e) {}
try {
return new ActiveXObject(‘Msxml2.XMLHTTP.3.0’)
} catch (f) {}
try {
return new ActiveXObject(‘Msxml2.XMLHTTP’)
} catch (g) {}
//Microsoft.XMLHTTP points to Msxml2.XMLHTTP.3.0 and is redundant
throw new Error(‘This browser does not support XMLHttpRequest.’)
}
}
var request = new XMLHttpRequest()
request.open(‘GET’, url)
request.onreadystatechange = function() {
if (request.readyState == 4 && request.status == 200) {
onSuccess(request.responseText)
}
}.context(this)
request.send()
},
trim: function(string) {
return string
.toString()
.replace(/^\s+/, ”)
.replace(/\s+$/, ”)
},
// DOM Ready functionality adapted from jquery. http://jquery.com/
bindDOMReady: function() {
if (document.readyState === ‘complete’) {
return VideoJS.onDOMReady()
}
if (document.addEventListener) {
document.addEventListener(
‘DOMContentLoaded’,
VideoJS.DOMContentLoaded,
false,
)
window.addEventListener(‘load’, VideoJS.onDOMReady, false)
} else if (document.attachEvent) {
document.attachEvent(‘onreadystatechange’, VideoJS.DOMContentLoaded)
window.attachEvent(‘onload’, VideoJS.onDOMReady)
}
},
DOMContentLoaded: function() {
if (document.addEventListener) {
document.removeEventListener(
‘DOMContentLoaded’,
VideoJS.DOMContentLoaded,
false,
)
VideoJS.onDOMReady()
} else if (document.attachEvent) {
if (document.readyState === ‘complete’) {
document.detachEvent(‘onreadystatechange’, VideoJS.DOMContentLoaded)
VideoJS.onDOMReady()
}
}
},
// Functions to be run once the DOM is loaded
DOMReadyList: [],
addToDOMReady: function(fn) {
if (VideoJS.DOMIsReady) {
fn.call(document)
} else {
VideoJS.DOMReadyList.push(fn)
}
},
DOMIsReady: false,
onDOMReady: function() {
if (VideoJS.DOMIsReady) {
return
}
if (!document.body) {
return setTimeout(VideoJS.onDOMReady, 13)
}
VideoJS.DOMIsReady = true
if (VideoJS.DOMReadyList) {
for (var i = 0; i < VideoJS.DOMReadyList.length; i++) {
VideoJS.DOMReadyList[i].call(document)
}
VideoJS.DOMReadyList = null
}
},
})
VideoJS.bindDOMReady()
// Allows for binding context to functions
// when using in event listeners and timeouts
Function.prototype.context = function(obj) {
var method = this,
temp = function() {
return method.apply(obj, arguments)
}
return temp
}
// Like context, in that it creates a closure
// But insteaad keep “this” intact, and passes the var as the second argument of the function
// Need for event listeners where you need to know what called the event
// Only use with event callbacks
Function.prototype.evtContext = function(obj) {
var method = this,
temp = function() {
var origContext = this
return method.call(obj, arguments[0], origContext)
}
return temp
}
// Removeable Event listener with Context
// Replaces the original function with a version that has context
// So it can be removed using the original function name.
// In order to work, a version of the function must already exist in the player/prototype
Function.prototype.rEvtContext = function(obj, funcParent) {
if (this.hasContext === true) {
return this
}
if (!funcParent) {
funcParent = obj
}
for (var attrname in funcParent) {
if (funcParent[attrname] == this) {
funcParent[attrname] = this.evtContext(obj)
funcParent[attrname].hasContext = true
return funcParent[attrname]
}
}
return this.evtContext(obj)
}
// jquery Plugin
if (window.jquery) {
;(function($) {
$.fn.VideoJS = function(options) {
this.each(function() {
VideoJS.setup(this, options)
})
return this
}
$.fn.player = function() {
return this[0].player
}
})(jquery)
}
// Expose to global
window.VideoJS = window._V_ = VideoJS
// End self-executing function
})(window)

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