vediojs m3u8 视频清晰度切换

最新推荐文章于 2025-09-08 12:25:06 发布

原创最新推荐文章于 2025-09-08 12:25:06 发布 · 1.4w 阅读

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CC 4.0 BY-SA版权

文章标签：

#videojs

本文介绍了如何利用video.js库在网页中实现m3u8视频流的清晰度切换功能，详细讲解了相关配置和代码实现过程。

完成测试代码

<!DOCTYPE HTML>
<html>
<head>
	<meta http-equiv="content-type" content="text/html; charset=utf-8" />
	<title>视频控制</title>
  <link href="https://unpkg.com/video.js/dist/video-js.css" rel="stylesheet">
  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js" type="text/javascript"></script>
  <script src="https://unpkg.com/video.js/dist/video.js"></script>
  <script src="https://unpkg.com/videojs-contrib-hls/dist/videojs-contrib-hls.js"></script>
</head>

<body>
 <video id="my_video_1" class="video-js vjs-default-skin" controls preload="auto" width="640" height="268" 
  data-setup='{}'>
    <source src="http://localhost/video/c/1928.m3u8" type="application/x-mpegURL">
  </video>
<br/>

</body>

<script type="text/javascript">

 window.onload=function(){
    
	var videoPanelMenu = $(".vjs-fullscreen-control");
	  videoPanelMenu.before('<div class="vjs-subs-caps-button  vjs-menu-button vjs-menu-button-popup vjs-control vjs-button"  aria-live="polite" aria-expanded="false" aria-haspopup="true">'
		+ '<div class="vjs-menu" role="presentation">'
		+ '<ul class="vjs-menu-content" role="menu">'
		+ '<li class="vjs-menu-item" tabindex="-1" role="menuitemcheckbox"  onclick="changeVideo(1)">普通</li>'
		+ '<li class="vjs-menu-item" tabindex="-1" role="menuitemcheckbox"  onclick="changeVideo(2)">标清 </li>'
		+ '<li class="vjs-menu-item" tabindex="-1" role="menuitemcheckbox"  onclick="changeVideo(3)">高清 </li>'
		+ '</ul></div>'
		+'	<button class="vjs-subs-caps-button vjs-control vjs-button" type="button" aria-live="polite" title="清晰度切换" aria-disabled="false">'
		+'		<span aria-hidden="true" class="vjs-icon-placeholder"></span><span class="vjs-control-text">清晰度切换</span>'
		+'	</button>'
		+'</div>'
		);
		
    var obj={tag:false,ctime:0};
	window.obj=obj;
	var myPlayer=videojs.getPlayers()['my_video_1'];
	 myPlayer.on("timeupdate", function(){
		
		if(window.obj.tag){
			videojs("my_video_1").currentTime(window.obj.ctime)
			videojs("my_video_1").play();
			window.obj.tag=false;
		}
		
		//视频打点
		var ctime_=videojs("my_video_1").currentTime().currentTime();
		if(ctime_==60){
			videojs("my_video_1").currentTime(ctime_+1);
			//do something
		}


	});

}

  function changeVideo(type){

	   var ctime=videojs("my_video_1").currentTime();

	  if(type==1){
		videojs("my_video_1").src([{type: "application/x-mpegURL", src: "http://localhost/video/LD/1928.m3u8" }]);
		videojs("my_video_1").play();


	  }
 	  if(type==2){
		videojs("my_video_1").src([{type: "application/x-mpegURL", src: "http://localhost/video/C/1928.m3u8" }]);	
		videojs("my_video_1").play();

	  }
	  if(type==3){
		videojs("my_video_1").src([{type: "application/x-mpegURL", src: "http://localhost/video/HD/1928.m3u8" }]);	
		videojs("my_video_1").play();
	  }
	  window.obj.ctime=ctime;
	  window.obj.tag=true;



  }
			
 </script>
</html>