歌词同步关键技术

来源：互联网发布：老司机(网络用语) 编辑：程序博客网时间：2024/05/16 18:29

歌词同步关键技术重大升级！

歌词时间快慢调整（全新<高效>思路）
自动跟踪引擎（arguments）

运行代码框
<html>
<head>
<meta http-equiv=Content-Type content=text/html; charset=gb2312>
<title>谱乐视听 -- 千言万语</title>
<STYLE type=text/css>
TD { FONT-SIZE: 9pt; LINE-HEIGHT: 17px; }
BODY{
FONT-SIZE: 9pt;
LINE-HEIGHT: 17px;
margin-left: 0px;
margin-top: 0px;
margin-right: 0px;
margin-bottom: 0px;
}
#lrcollbox td, #lrcollbox font {font-family: 黑体; font-size: 16px;}
#lrcoll td { color:#0080C0; cursor: default; }
#lrcbox { color:#00FF00 }
#lrcfilter { filter: alpha(opacity=0) }
#lrcbc { color:#FFFF33 }
</STYLE>
</head>
<script language="JavaScript">
self.moveTo(0,0);
self.resizeTo(screen.availWidth,screen.availHeight);
</script>
<base onmouseover="window.status=’ aboutplayer.com 别忘了把地址告诉你QQ上的朋友哦！’; return true;">
<body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
<span id="lrcdata"></span>
<center>
< div><input type="button" style="height:20; width:90; font-size:9pt" title ="时间整体提前0.5秒/次" onclick="ff()" value="歌词调整(+)"> <input type= "button" value="歌词调整(-)" title="时间整体滞后0.5秒/次" style="height:20; width: 90; font-size:9pt" onclick="bb()"> <input type="file" name="file" onchange ="loadfile(this.value)" style="cursor:default; height:20; width:290; font -size:9pt" title="1、播放你本地的这首歌曲
2、或输贴更有效的网路链接">< /div>
<object classid="clsid:6bf52a52-394a-11d3-b153-00c04f79faa6" id="aboutplayer" width="480" height="240">
<param name="url" value="http://aboutplayer.com/play.asp?id=6&action=url">
<param name="volume" value="100">
<param name="enablecontextmenu" value="0">
<param name="enableerrordialogs" value="0">
</object>
<div id="lrcollbox" style="overflow:hidden; height:260; width:480; background-color:#000000;">
<table border="0" cellspacing="0" cellpadding="0" width="100%" id="lrcoll" style="position:relative; top: -20px;" oncontextmenu="return false;">
<tr><td nowrap height="20" align="center" id="lrcwt1"></td></tr>
<tr><td nowrap height="20" align="center" id="lrcwt2"></td></tr>
<tr><td nowrap height="20" align="center" id="lrcwt3"></td></tr>
<tr><td nowrap height="20" align="center" id="lrcwt4"></td></tr>
<tr><td nowrap height="20" align="center" id="lrcwt5"></td></tr>
<tr><td nowrap height="20" align="center" id="lrcwt6"></td></tr>
<tr><td nowrap height="20" align="center">
<table border="0" cellspacing="0" cellpadding="0">
<tr><td nowrap height="20"><span id="lrcwt7" style="height:20"></span></td></tr>
<tr style="position:relative; top: -20px; z-index:6"><td nowrap height="20"><div id="lrcfilter" style="overflow:hidden; width:100%; color:#FFFF33; height:20"></div></td></tr>
</table>
</td></tr>
<tr style="position:relative; top: -20px"><td nowrap height="20" align="center">
<table border="0" cellspacing="0" cellpadding="0">
<tr><td nowrap height="20"><span id="lrcbox" style="height:20">歌词加载中</span></td></tr>
<tr style="position:relative; top: -20px; z-index:6;"><td nowrap height="20"><div id="lrcbc" style="overflow:hidden; height:20; width:0;"></div></td></tr>
</table>
</td></tr>
<tr style="position:relative; top: -40px;"><td nowrap height="20" align="center" id="lrcwt8"></td></tr>
<tr style="position:relative; top: -40px;"><td nowrap height="20" align="center" id="lrcwt9"></td></tr>
<tr style="position:relative; top: -40px;"><td nowrap height="20" align="center" id="lrcwt10"></td></tr>
<tr style="position:relative; top: -40px;"><td nowrap height="20" align="center" id="lrcwt11"></td></tr>
<tr style="position:relative; top: -40px;"><td nowrap height="20" align="center" id="lrcwt12"></td></tr>
<tr style="position:relative; top: -40px;"><td nowrap height="20" align="center" id="lrcwt13"></td></tr>
</table>
</div>
</center>
<script language="JavaScript">
var lrcO;
ffbb = 0;
lrcobj = new lrcClass(lrcdata.innerHTML.slice(4,-3));

function lrcClass(tt)
{
  this.inr = [];

  this.oTime = 0;

  this.dts = -1;
  this.dte = -1;
  this.dlt = -1;
  this.ddh;
  this.fjh;

  lrcbc.style.width = 0;

  if(//[offset/:(/-?/d+)/]/i.test(tt))
    this.oTime = RegExp.$1/1000;

  tt = tt.replace(//[/:/][^$/n]*(/n|$)/g,"$1");
  tt = tt.replace(//[[^/[/]/:]*/]/g,"");
  tt = tt.replace(//[[^/[/]]*[^/[/]/d]+[^/[/]]*/:[^/[/]]*/]/g,"");
  tt = tt.replace(//[[^/[/]]*/:[^/[/]]*[^/[/]/d/.]+[^/[/]]*/]/g,"");
  tt = tt.replace(/<[^<>]*[^<>/d]+[^<>]*/:[^<>]*>/g,"");
  tt = tt.replace(/<[^<>]*/:[^<>]*[^<>/d/.]+[^<>]*>/g,"");

  while(//[[^/[/]]+/:[^/[/]]+/]/.test(tt))
  {
    tt = tt.replace(/((/[[^/[/]]+/:[^/[/]]+/])+[^/[/r/n]*)[^/[]*/,"/n");
    var zzzt = RegExp.$1;
    /^(.+/])([^/]]*)$/.exec(zzzt);
    var ltxt = RegExp.$2;
    var eft = RegExp.$1.slice(1,-1).split("][");
    for(var ii=0; ii<eft.length; ii++)
    {
      var sf = eft[ii].split(":");
      var tse = parseInt(sf[0],10) * 60 + parseFloat(sf[1]);
      var sso = { t:[] , w:[] , n:ltxt }
      sso.t[0] = tse-this.oTime;
      this.inr[this.inr.length] = sso;
    }
  }
  this.inr = this.inr.sort( function(a,b){return a.t[0]-b.t[0];} );

  for(var ii=0; ii<this.inr.length; ii++)
  {
    while(/<[^<>]+/:[^<>]+>/.test(this.inr[ii].n))
    {
      this.inr[ii].n = this.inr[ii].n.replace(/<(/d+)/:([/d/.]+)>/,"%=%");
      var tse = parseInt(RegExp.$1,10) * 60 + parseFloat(RegExp.$2);
      this.inr[ii].t[this.inr[ii].t.length] = tse-this.oTime;
    }
    lrcbc.innerHTML = "<font>"+ this.inr[ii].n.replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">").replace(/%=%/g,"</font><font>") +" </font>";
    var fall = lrcbc.getElementsByTagName("font");
    for(var wi=0; wi<fall.length; wi++)
      this.inr[ii].w[this.inr[ii].w.length] = fall[wi].offsetWidth;
    this.inr[ii].n = lrcbc.innerText;
  }

  this.run = function(tme)
  {
    if(tme<this.dts || tme>=this.dte)
    {
      var ii;
      for(ii=this.inr.length-1; ii>=0 && this.inr[ii].t[0]>tme; ii--){}
      if(ii<0) return;
      this.ddh = this.inr[ii].t;
      this.fjh = this.inr[ii].w;
      this.dts = this.inr[ii].t[0];
      this.dte = (ii<this.inr.length-1)?this.inr[ii+1].t[0]:aboutplayer.currentMedia.duration;

      lrcwt1.innerText = this.retxt(ii-7);
      lrcwt2.innerText = this.retxt(ii-6);
      lrcwt3.innerText = this.retxt(ii-5);
      lrcwt4.innerText = this.retxt(ii-4);
      lrcwt5.innerText = this.retxt(ii-3);
      lrcwt6.innerText = this.retxt(ii-2);
      lrcwt7.innerText = this.retxt(ii-1);
      lrcfilter.innerText = this.retxt(ii-1);
      lrcwt8.innerText = this.retxt(ii+1);
      lrcwt9.innerText = this.retxt(ii+2);
      lrcwt10.innerText = this.retxt(ii+3);
      lrcwt11.innerText = this.retxt(ii+4);
      lrcwt12.innerText = this.retxt(ii+5);
      lrcwt13.innerText = this.retxt(ii+6);
      this.print(this.retxt(ii));
      if(this.dlt==ii-1)
      {
    clearTimeout(lrcO);
    golrcoll(0);
    golrcolor(0);
      }
      this.dlt = ii;
    }
    var bbw = 0;
    var ki;
    for(ki=0; ki<this.ddh.length && this.ddh[ki]<=tme; ki++)
      bbw += this.fjh[ki];
    var kt = ki-1;
    var sc = ((ki<this.ddh.length)?this.ddh[ki]:this.dte) - this.ddh[kt];
    var tc = tme - this.ddh[kt];
    bbw -= this.fjh[kt] - tc / sc * this.fjh[kt];
    if(bbw>lrcbox.offsetWidth)
      bbw = lrcbox.offsetWidth;
    lrcbc.style.width = Math.round(bbw);
  }

  this.retxt = function(i)
  {
    return (i<0 || i>=this.inr.length)?"":this.inr[i].n;
  }

  this.print = function(txt)
  {
    lrcbox.innerText = txt;
    lrcbc.innerText = txt;
  }

  this.print("www.aboutplayer.com");
  lrcwt1.innerText = "";
  lrcwt2.innerText = "";
  lrcwt3.innerText = "";
  lrcwt4.innerText = "";
  lrcwt5.innerText = "";
  lrcwt6.innerText = "";
  lrcwt8.innerText = "";
  lrcwt9.innerText = "";
  lrcwt10.innerText = "";
  lrcwt11.innerText = "";
  lrcwt12.innerText = "";
  lrcwt13.innerText = "";
}

function loadfile(url)
{
  aboutplayer.url = url;
  aboutplayer.controls.play();
  file.select();
  document.selection.clear();
  onfocus=file.blur();
}

function bb()
{
  ffbb = ffbb - 0.5;
}

function ff()
{
  ffbb = ffbb + 0.5;
}

function lrcrun()
{
  with(aboutplayer)
  {
    lrcobj.run(controls.currentPosition + ffbb);
  }
  if(arguments.length == 0) setTimeout("lrcrun()",10);
}

function golrcoll(s)
{
  lrcoll.style.top = -2-(s++)*3;
  if(s<=6)
    lrcO = setTimeout("golrcoll("+s+")",100);
}

function golrcolor(t)
{
  lrcfilter.filters.alpha.opacity = 100-(t++)*10;
  if(t<=10)
    setTimeout("golrcolor("+t+")",60);
}

function killErrors()
{
  return true;
}
window.onerror = killErrors;
lrcrun();
</script>
</body>
</html>
[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

论坛UBB代码中轻松实现歌词同步

Windows Media Player 格式：
1、[wmp=http://www.aboutplayer.com/a.wmv]歌词内容[/wmp]
2、[wmp=http://www.aboutplayer.com/a.wma]歌词内容[/wmp]
3、[wmp=http://www.aboutplayer.com/a.mp3]歌词内容[/wmp]
……
Real Player 格式：
1、[rmp=http://www.aboutplayer.com/a.rm]歌词内容[/rmp]
2、[rmp=http://www.aboutplayer.com/a.ra]歌词内容[/rmp]
3、[rmp=http://www.aboutplayer.com/a.mp3]歌词内容[/rmp]
……

实例：

[wmp=mms://222.77.177.180/mp3/2005-09-21/f528b693-e3cc-457d-8aab-6886d5c8f80a.wma][ti:美丽的神话]
[ar:孙楠&韩红]
[al:忘不了你]
[by:rodick]
[04:41.88][01:48.65][00:02.63]美丽的神话
[00:09.91]rodick 制作
[00:16.47]梦中的人熟悉的脸孔
[00:23.72]你是我守候的温柔
[00:31.00]就算泪水淹没天地
[00:38.40]我不会放手，每一刻孤独的承受
[00:53.12]只因我曾许下承诺
[01:00.43]你我之间熟悉的感动
[01:07.86]爱就要苏醒
[02:57.49][01:14.30]万世沧桑唯有爱是永远的神话
[03:04.48][01:21.48]潮起潮落始终不悔真爱的相约
[03:11.88][01:28.95]几番苦痛的纠缠多少黑夜挣扎
[03:19.20][01:36.29]紧握双手让我和你再也不离分
[01:59.32]枕上雪冰封的爱恋
[02:06.65]真心相摇篮才能融解
[02:13.87]风中摇曳炉上的火
[02:21.37]不灭亦不休
[02:28.80]等待花开春去春又来
[02:36.02]无情岁月笑我痴狂
[02:43.37]心如钢铁任世界荒芜
[02:50.70]思念永相随
[03:56.09][03:26.57]悲欢岁月唯有爱是永远的神话
[04:03.24][03:33.82]谁都没有遗忘古老，古老的誓言
[04:10.64][03:41.28]你的泪水化为漫天飞舞的彩蝶
[04:18.05][03:48.63]爱是翼下之风两心相随自在飞
[04:28.19]你是我心中唯一美丽的神话[/wmp]

注意事项：
1、兼容视频、音频播放；
2、一个主题及其所有回复中只能设置一首媒体，建议放在主题帖；
3、媒体路径可以是绝对路径（如‘http://aboutplayer.com/a.wmv’），也可以是相对路径（如‘../mp3/a.wma’）。

演示：
1、Windows Media Player
2、Real Player