Javascript Video.js准备好自动海报
我有javascript代码来获取HTML5视频缩略图,我可以在单击按钮的同时获取视频缩略图,我想在具有currentTime属性的情况下获取此缩略图,我需要视频缩略图的时间,比如10秒、20秒或1秒 JavaScript:Javascript Video.js准备好自动海报,javascript,jquery,html,video,Javascript,Jquery,Html,Video,我有javascript代码来获取HTML5视频缩略图,我可以在单击按钮的同时获取视频缩略图,我想在具有currentTime属性的情况下获取此缩略图,我需要视频缩略图的时间,比如10秒、20秒或1秒 JavaScript: <script type="text/javascript"> (function() { "use strict"; var video, $output; var scale = 0.25; var initialize
<script type="text/javascript">
(function() {
"use strict";
var video, $output;
var scale = 0.25;
var initialize = function() {
$output = $("#output");
video = $("#video").get(0);
$("#capture").click(captureImage);
};
var captureImage = function() {
var canvas = document.createElement("canvas");
canvas.width = video.videoWidth * scale;
canvas.height = video.videoHeight * scale;
canvas.getContext('2d')
.drawImage(video, 0, 0, canvas.width, canvas.height);
var img = document.createElement("img");
img.src = canvas.toDataURL();
$output.prepend(img);
};
$(initialize);
}());
</script>
(功能(){
“严格使用”;
视频输出;
var标度=0.25;
var initialize=函数(){
$output=$(“#output”);
视频=$(“#视频”).get(0);
$(“#捕获”)。单击(捕获图像);
};
var captureImage=函数(){
var canvas=document.createElement(“canvas”);
canvas.width=video.videoWidth*比例;
canvas.height=video.videoHeight*比例;
canvas.getContext('2d')
.drawImage(视频,0,0,canvas.width,canvas.height);
var img=document.createElement(“img”);
img.src=canvas.toDataURL();
$output.prepend(img);
};
$(初始化);
}());
HTML:
俘获
<video id="video" controls="controls">
<source src="uploads/post_videos/4d2fba78d9fcd7f59567e459c9b65404_131902_popcorntest.mp4" />
</video>
<button id="capture">Capture</button>
<div id="output"></div>