来自:http://blog.csdn.net/dawanganban/article/details/17679069
在前面几篇文章中介绍了HTML5的特点和需要掌握的基础知识，下面我们开始真正的体验一下HTML5的优势，我们开始制作一个漂亮的视频播放器吧
先别急，在开始制作之前先了解一下视频文件的基本知识。
一、视频的格式
目前比较主流和使用比较的的视频格式主要有：avi、rmvb、wmv、mpeg4、ogg、webm。这些视频都是由视频、音频、编码格式三部分组成的。在HTML5中，根据浏览器的不同，目前拥有多套不同的编码器：
;
left:0;
width:100%;
padding:10px;
color:#ccc;
font-size:20px;
font-weight:bold;
box-sizing: border-box;
-ms-box-sizing: border-box;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
background: #1F1F1F; /* fallback */
background:-moz-linear-gradient(top,#242424 50%,#1F1F1F 50%,#171717 100%);
background:-webkit-linear-gradient(top,#242424 50%,#1F1F1F 50%,#171717 100%);
background:-o-linear-gradient(top,#242424 50%,#1F1F1F 50%,#171717 100%);
}
/*** VIDEO CONTROLS CSS ***/
/* control holder */
.control{
background:#333;
color:#ccc;
position:absolute;
bottom:0;
left:0;
width:100%;
z-index:5;
display:none;
}
/* control top part */
.topControl{
height:11px;
border-bottom:1px solid #404040;
padding:1px 5px;
background:#1F1F1F; /* fallback */
background:-moz-linear-gradient(top,#242424 50%,#1F1F1F 50%,#171717 100%);
background:-webkit-linear-gradient(top,#242424 50%,#1F1F1F 50%,#171717 100%);
background:-o-linear-gradient(top,#242424 50%,#1F1F1F 50%,#171717 100%);
}
/* control bottom part */
.btmControl{
clear:both;
background: #1F1F1F; /* fallback */
background:-moz-linear-gradient(top,#242424 50%,#1F1F1F 50%,#171717 100%);
background:-webkit-linear-gradient(top,#242424 50%,#1F1F1F 50%,#171717 100%);
background:-o-linear-gradient(top,#242424 50%,#1F1F1F 50%,#171717 100%);
}
.control div.btn {
float:left;
width:34px;
height:30px;
padding:0 5px;
border-right:1px solid #404040;
cursor:pointer;
}
.control div.text{
font-size:12px;
font-weight:bold;
line-height:30px;
text-align:center;
font-family:verdana;
width:20px;
border:none;
color:#777;
}
.control div.btnPlay{
background:url(control.png) no-repeat 0 0;
border-left:1px solid #404040;
}
.control div.paused{
background:url(control.png) no-repeat 0 -30px;
}
.control div.btnStop{
background:url(control.png) no-repeat 0 -60px;
}
.control div.spdText{
border:none;
font-size:14px;
line-height:30px;
font-style:italic;
}
.control div.selected{
font-size:15px;
color:#ccc;
}
.control div.sound{
background:url(control.png) no-repeat -88px -30px;
border:none;
float:right;
}
.control div.sound2{
background:url(control.png) no-repeat -88px -60px !important;
}
.control div.muted{
background:url(control.png) no-repeat -88px 0 !important;
}
.control div.btnFS{
background:url(control.png) no-repeat -44px 0;
float:right;
}
.control div.btnLight{
background:url(control.png) no-repeat -44px -60px;
border-left:1px solid #404040;
float:right;
}
.control div.lighton{
background:url(control.png) no-repeat -44px -30px !important;
}
/* PROGRESS BAR CSS */
/* Progress bar */
.progress {
width:85%;
height:10px;
position:relative;
float:left;
cursor:pointer;
background: #444; /* fallback */
background:-moz-linear-gradient(top,#666,#333);
background:-webkit-linear-gradient(top,#666,#333);
background:-o-linear-gradient(top,#666,#333);
box-shadow:0 2px 3px #333 inset;
-moz-box-shadow:0 2px 3px #333 inset;
-webkit-box-shadow:0 2px 3px #333 inset;
border-radius:10px;
-moz-border-radius:10px;
-webkit-border-radius:10px;
}
.progress span {
height:100%;
position:absolute;
top:0;
left:0;
display:block;
border-radius:10px;
-moz-border-radius:10px;
-webkit-border-radius:10px;
}
.timeBar{
z-index:10;
width:0;
background: #3FB7FC; /* fallback */
background:-moz-linear-gradient(top,#A0DCFF 50%,#3FB7FC 50%,#16A9FF 100%);
background:-webkit-linear-gradient(top,#A0DCFF 50%,#3FB7FC 50%,#16A9FF 100%);
background:-o-linear-gradient(top,#A0DCFF 50%,#3FB7FC 50%,#16A9FF 100%);
box-shadow:0 0 1px #fff;
-moz-box-shadow:0 0 1px #fff;
-webkit-box-shadow:0 0 1px #fff;
}
.bufferBar{
z-index:5;
width:0;
background: #777;
background:-moz-linear-gradient(top,#999,#666);
background:-webkit-linear-gradient(top,#999,#666);
background:-o-linear-gradient(top,#999,#666);
box-shadow:2px 0 5px #333;
-moz-box-shadow:2px 0 5px #333;
-webkit-box-shadow:2px 0 5px #333;
}
/* time and duration */
.time{
width:15%;
float:right;
text-align:center;
font-size:11px;
line-height:12px;
}
/* VOLUME BAR CSS */
/* volume bar */
.volume{
position:relative;
cursor:pointer;
width:70px;
height:10px;
float:right;
margin-top:10px;
margin-right:10px;
}
.volumeBar{
display:block;
height:100%;
position:absolute;
top:0;
left:0;
background-color:#eee;
z-index:10;
}
/* OTHERS CSS */
/* video screen cover */
.loading, #init{
position:absolute;
top:0;
left:0;
width:100%;
height:100%;
background:url(loading.gif) no-repeat 50% 50%;
z-index:2;
display:none;
}
#init{
background:url(bigplay.png) no-repeat 50% 50% !important;
cursor:pointer;
}