如何在全屏的Media Player顶部显示文本? [英] How to display a text on the top of Media Player on full screen?
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问题描述
使用下面的代码,我在调试时得到结果,但是如果没有调试,我将无法显示文本.
Using the below code, I am getting the result when I debug but I am unable to display the Text without debug.
样式表显示:块";
由于未显示而无法删除.
Which is unable to be removed due to this not displaying.
<div class="video-overlay" id="overlayclass"></div>
<video id="preview" muted style="background-color: #2a2a2a;border: 1px solid black; height: 300px; width: 100%;"></video>
(我正在使用Getusermedia()API)
(I am using Getusermedia() API)
function toggleFullScreen() {
//var pre1 = preview.webkitDisplayingFullscreen;
if (preview.webkitRequestFullScreen)
{
$(".video-overlay").remove("style");
preview.webkitRequestFullScreen();
var pre = preview.webkitDisplayingFullscreen
if (pre == true) {
$('.video-overlay').text('Recording');
$(".video-overlay").css("display", "flex");
}
}
else if (preview.mozRequestFullScreen)
{
preview.mozRequestFullScreen();
}
}
<div class="video-overlay" id="overlayclass"></div>
<video id="preview" muted style="background-color: #2a2a2a;border: 1px solid black; height: 300px; width: 100%;"></video>
<style>
.video-overlay {
/*display:flex!important;*/
position: absolute;
left: 0px;
top: 0px;
margin: 10px;
padding: 10px 10px;
font-size: 40px;
font-family: Helvetica;
color: #FFF;
float: left;
}
.video-overlay div {
display: flex !important;
}
</style>
推荐答案
您好,请使用此代码
var overlay= document.getElementById('overlay');
var video= document.getElementById('v');
video.addEventListener('progress', function() {
var show= video.currentTime>=5 && video.currentTime<10;
overlay.style.visibility= show? 'visible' : 'visible';
}, false);
#overlay {
position: absolute;
top: 100px;
color: #FFF;
text-align: center;
font-size: 20px;
background-color: rgba(221, 221, 221, 0.3);
width: 640px;
padding: 10px 0;
z-index: 2147483647;
}
#v {
z-index: 1;
}
<video id="v" controls>
<source id='mp4'
src="http://media.w3.org/2010/05/sintel/trailer.mp4"
type='video/mp4'>
<source id='webm'
src="http://media.w3.org/2010/05/sintel/trailer.webm"
type='video/webm'>
<source id='ogv'
src="http://media.w3.org/2010/05/sintel/trailer.ogv"
type='video/ogg'>
<p>Your user agent does not support the HTML5 Video element.</p>
</video>
<div id="overlay">This is HTML overlay on top of the video! </div>
按照此链接,这里是您要求的演示.祝你好运
Follow this link here is a demo as per your requirement. Good Luck
http://jsfiddle.net/carmijoon/pzbkx/
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