H5网页播放器
2016-07-16 12:38
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<html lang="en">
<head>
<title>Full player example</title>
<!-- Uncomment the following meta tag if you have issues rendering this page on an intranet or local site. -->
<!-- <meta http-equiv="X-UA-Compatible" content="IE=edge"/> -->
<script type="text/javascript">
function init() { // Master function, encapsulates all functions
var video = document.getElementById("Video1");
if (video.canPlayType) { // tests that we have HTML5 video support
// if successful, display buttons and set up events
document.getElementById("buttonbar").style.display = "block";
document.getElementById("inputField").style.display = "block";
// helper functions
// play video
function vidplay(evt) {
if (video.src == "") { // inital source load
getVideo();
}
button = evt.target; // get the button id to swap the text based on the state
if (video.paused) { // play the file, and display pause symbol
video.play();
button.textContent = "||";
} else { // pause the file, and display play symbol
video.pause();
button.textContent = ">";
}
}
// load video file from input field
function getVideo() {
var fileURL = document.getElementById("videoFile").value; // get input field
if (fileURL != "") {
video.src = fileURL;
video.load(); // if HTML source element is used
document.getElementById("play").click(); // start play
} else {
errMessage("Enter a valid video URL"); // fail silently
}
}
// button helper functions
// skip forward, backward, or restart
function setTime(tValue) {
// if no video is loaded, this throws an exception
try {
if (tValue == 0) {
video.currentTime = tValue;
}
else {
video.currentTime += tValue;
}
} catch (err) {
// errMessage(err) // show exception
errMessage("Video content might not be loaded");
}
}
// display an error message
function errMessage(msg) {
// displays an error message for 5 seconds then clears it
document.getElementById("errorMsg").textContent = msg;
setTimeout("document.getElementById('errorMsg').textContent=''", 5000);
}
// change volume based on incoming value
function setVol(value) {
var vol = video.volume;
vol += value;
// test for range 0 - 1 to avoid exceptions
if (vol >= 0 && vol <= 1) {
// if valid value, use it
video.volume = vol;
} else {
// otherwise substitute a 0 or 1
video.volume = (vol < 0) ? 0 : 1;
}
}
// button events
// Play
document.getElementById("play").addEventListener("click", vidplay, false);
// Restart
document.getElementById("restart").addEventListener("click", function () {
setTime(0);
}, false);
// Skip backward 10 seconds
document.getElementById("rew").addEventListener("click", function () {
setTime(-10);
}, false);
// Skip forward 10 seconds
document.getElementById("fwd").addEventListener("click", function () {
setTime(10);
}, false);
// set src == latest video file URL
document.getElementById("loadVideo").addEventListener("click", getVideo, false);
// fail with message
video.addEventListener("error", function (err) {
errMessage(err);
}, true);
// volume buttons
document.getElementById("volDn").addEventListener("click", function () {
setVol(-.1); // down by 10%
}, false);
document.getElementById("volUp").addEventListener("click", function () {
setVol(.1); // up by 10%
}, false);
// playback speed buttons
document.getElementById("slower").addEventListener("click", function () {
video.playbackRate -= .25;
}, false);
document.getElementById("faster").addEventListener("click", function () {
video.playbackRate += .25;
}, false);
document.getElementById("normal").addEventListener("click", function () {
video.playbackRate = 1;
}, false);
document.getElementById("mute").addEventListener("click", function (evt) {
if (video.muted) {
video.muted = false;
evt.target.innerHTML = "<img alt='volume on button' src='vol2.png' />"
} else {
video.muted = true;
evt.target.innerHTML = "<img alt='volume off button' src='mute2.png' />"
}
}, false);
} // end of runtime
}// end of master
</script>
</head>
<body onload="init();" >
<video id="Video1" controls style="border: 1px solid blue;" height="240" width="320" title="video element">
HTML5 Video is required for this example
</video>
<div id="buttonbar" style="display: none;")>
<button id="restart" title="Restart button">[]</button>
<button id="slower" title="Slower playback button">-</button>
<button id="rew" title="Rewind button" ><<</button>
<button id="play" title="Play button">></button>
<button id="fwd" title="Forward button" >>></button>
<button id="faster" title="Faster playback button">+</button>
<button id="Button2" title="Mute button" ><img alt="Volume on button" src="vol2.png" /></button>
<br />
<label>Playback </label>
<label>Reset playback rate: </label><button id="normal" title="Reset playback rate button">=</button>
<label> Volume </label>
<button id="volDn" title="Volume down button">-</button>
<button id="volUp" title="Volume up button">+</button>
<button id="mute" title="Mute button" ><img alt="Volume on button" src="vol2.png" /></button>
</div>
<br/>
<div id= "inputField" style="display:none;" >
<label>Type or paste a video URL: <br/>
<input type="text" id="videoFile" style="width: 300px;" title="video file input field" value="http://ie.microsoft.com/testdrive/ieblog/2011/nov/pp4_blog_demo.mp4" />
<button id="loadVideo" title="Load video button" >Load</button>
</label>
</div>
<div title="Error message area" id="errorMsg" style="color:Red;"></div>
</body>
</html>
<head>
<title>Full player example</title>
<!-- Uncomment the following meta tag if you have issues rendering this page on an intranet or local site. -->
<!-- <meta http-equiv="X-UA-Compatible" content="IE=edge"/> -->
<script type="text/javascript">
function init() { // Master function, encapsulates all functions
var video = document.getElementById("Video1");
if (video.canPlayType) { // tests that we have HTML5 video support
// if successful, display buttons and set up events
document.getElementById("buttonbar").style.display = "block";
document.getElementById("inputField").style.display = "block";
// helper functions
// play video
function vidplay(evt) {
if (video.src == "") { // inital source load
getVideo();
}
button = evt.target; // get the button id to swap the text based on the state
if (video.paused) { // play the file, and display pause symbol
video.play();
button.textContent = "||";
} else { // pause the file, and display play symbol
video.pause();
button.textContent = ">";
}
}
// load video file from input field
function getVideo() {
var fileURL = document.getElementById("videoFile").value; // get input field
if (fileURL != "") {
video.src = fileURL;
video.load(); // if HTML source element is used
document.getElementById("play").click(); // start play
} else {
errMessage("Enter a valid video URL"); // fail silently
}
}
// button helper functions
// skip forward, backward, or restart
function setTime(tValue) {
// if no video is loaded, this throws an exception
try {
if (tValue == 0) {
video.currentTime = tValue;
}
else {
video.currentTime += tValue;
}
} catch (err) {
// errMessage(err) // show exception
errMessage("Video content might not be loaded");
}
}
// display an error message
function errMessage(msg) {
// displays an error message for 5 seconds then clears it
document.getElementById("errorMsg").textContent = msg;
setTimeout("document.getElementById('errorMsg').textContent=''", 5000);
}
// change volume based on incoming value
function setVol(value) {
var vol = video.volume;
vol += value;
// test for range 0 - 1 to avoid exceptions
if (vol >= 0 && vol <= 1) {
// if valid value, use it
video.volume = vol;
} else {
// otherwise substitute a 0 or 1
video.volume = (vol < 0) ? 0 : 1;
}
}
// button events
// Play
document.getElementById("play").addEventListener("click", vidplay, false);
// Restart
document.getElementById("restart").addEventListener("click", function () {
setTime(0);
}, false);
// Skip backward 10 seconds
document.getElementById("rew").addEventListener("click", function () {
setTime(-10);
}, false);
// Skip forward 10 seconds
document.getElementById("fwd").addEventListener("click", function () {
setTime(10);
}, false);
// set src == latest video file URL
document.getElementById("loadVideo").addEventListener("click", getVideo, false);
// fail with message
video.addEventListener("error", function (err) {
errMessage(err);
}, true);
// volume buttons
document.getElementById("volDn").addEventListener("click", function () {
setVol(-.1); // down by 10%
}, false);
document.getElementById("volUp").addEventListener("click", function () {
setVol(.1); // up by 10%
}, false);
// playback speed buttons
document.getElementById("slower").addEventListener("click", function () {
video.playbackRate -= .25;
}, false);
document.getElementById("faster").addEventListener("click", function () {
video.playbackRate += .25;
}, false);
document.getElementById("normal").addEventListener("click", function () {
video.playbackRate = 1;
}, false);
document.getElementById("mute").addEventListener("click", function (evt) {
if (video.muted) {
video.muted = false;
evt.target.innerHTML = "<img alt='volume on button' src='vol2.png' />"
} else {
video.muted = true;
evt.target.innerHTML = "<img alt='volume off button' src='mute2.png' />"
}
}, false);
} // end of runtime
}// end of master
</script>
</head>
<body onload="init();" >
<video id="Video1" controls style="border: 1px solid blue;" height="240" width="320" title="video element">
HTML5 Video is required for this example
</video>
<div id="buttonbar" style="display: none;")>
<button id="restart" title="Restart button">[]</button>
<button id="slower" title="Slower playback button">-</button>
<button id="rew" title="Rewind button" ><<</button>
<button id="play" title="Play button">></button>
<button id="fwd" title="Forward button" >>></button>
<button id="faster" title="Faster playback button">+</button>
<button id="Button2" title="Mute button" ><img alt="Volume on button" src="vol2.png" /></button>
<br />
<label>Playback </label>
<label>Reset playback rate: </label><button id="normal" title="Reset playback rate button">=</button>
<label> Volume </label>
<button id="volDn" title="Volume down button">-</button>
<button id="volUp" title="Volume up button">+</button>
<button id="mute" title="Mute button" ><img alt="Volume on button" src="vol2.png" /></button>
</div>
<br/>
<div id= "inputField" style="display:none;" >
<label>Type or paste a video URL: <br/>
<input type="text" id="videoFile" style="width: 300px;" title="video file input field" value="http://ie.microsoft.com/testdrive/ieblog/2011/nov/pp4_blog_demo.mp4" />
<button id="loadVideo" title="Load video button" >Load</button>
</label>
</div>
<div title="Error message area" id="errorMsg" style="color:Red;"></div>
</body>
</html>
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