vb.net读取歌词 vbs播放音乐
VB.NET 怎么同步显示lrc歌词？？
可以稍微改下，预读两句歌词的时间范围，时间大于第一句的起始点，小于第二句的起始点，那么显示第一句，
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关于播放器中的功能（歌词同步），急求VB.NET代码！！
按照你的说法，应该要用到Ajax，对网页中播放器插件进行帧听，然后再对歌词部分进行处理，百度的Mp3就是这样做的。
下面就简单的说一下吧
材料：歌曲、歌曲对应的歌词（可以是XML，当然也可以是歌词专用格式lrc，随便啦，什么文件都可以）、几条简单的JS语句
处理：
1、JSP生成网页的时候，将音乐播放器插件的ID命名为WMA，当然，你可以随便命名，只是这里便于说明。
2、读取XML或LRC内容，利用Ajax加载到id为lrc的div中。
并将XML或LRC的每行的歌词存到数组testmp3中(此数组当然是二维数组，数据组分别播放时间与歌词内容)
好了，到此，准备工作就做好了，下面就是重点---歌词同步。
3、相关语句：
一、定义函数getWMAtime
二、利用Interval=setInterval("getWMAtime()",900)，意思就是每隔900毫秒调用getWMAtime这个函数，并将其放入Interval中。
如果要用到“上一曲”“下一曲”，可以将其做为了一个函数，
将音乐的地址赋给WMA.URL，用WMA.controls.play();播放，用WMA.controls.stop();停止播放，用WMA.controls.pause();暂停播放。改变了音乐地址后，记得用Ajax载入新的歌词！
另：
getWMAtime函数的内容为读取当前词曲的播放时间
当前的播放时间：WMA.controls.currentPosition;
歌曲总时间：WMA.currentMedia.duration;
读取当前的时候后，与数组中时间项进行对比，相同(由于其它原因，可能会出现不相同的情况，因此则用“=”)则用Ajax对id为lrc的div进行更改，具体怎么改那就随便你咯，一般就是改变一下指定行的颜色。
如果前当播放时间==歌曲总时间，那么就用clearInterval(Interval)，停止Interval继续调用。
好了，一个简单的JS的歌词同步播放器就完工啦
使用VB.NET制作带歌词显示的mp3播放器
Public Class Form1
Dim soundname As String()
Dim i As Integer
Dim j, l As Boolean
Dim k As Integer
Dim filename As String '取歌曲的名字
Dim path As String()
Dim s, m As Integer
Dim luj As String
Dim count As Integer '用来声明选择歌曲的数目
Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
selectsound()
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim g As Graphics
g = Graphics.FromHwnd(Me.Handle)
Dim mfont As New Font("宋体", 20)
Dim mstringformat As New StringFormat
mstringformat.Alignment = StringAlignment.Center
mstringformat.LineAlignment = StringAlignment.Center
g.DrawString("X071616", mfont, Brushes.Black, 75, 328, mstringformat)
If ListBox1.Items.Count = 0 Then selectsound() : Exit Sub
playsound()
End Sub
Private Sub TrackBar1_Scroll(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TrackBar1.Scroll
Me.AxWindowsMediaPlayer1.settings.volume = TrackBar1.Value
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
If Timer1.Enabled = False Then
Timer1.Enabled = True
Else
Timer1.Enabled = False
End If
If i = 0 Then
Me.AxWindowsMediaPlayer1.Ctlcontrols.pause()
i = 1
Button3.Text = "继续"
Exit Sub
End If
If i = 1 Then
Me.AxWindowsMediaPlayer1.Ctlcontrols.play()
Button3.Text = "暂停"
i = 0
Exit Sub
End If
End Sub
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
j = True
playsound()
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Me.AxWindowsMediaPlayer1.Ctlcontrols.stop()
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Dim string1, ss, sss As String
string1 = ListBox1.SelectedItem.ToString.Substring(ListBox1.SelectedItem.ToString.LastIndexOf("\") + 1)
filename = string1.Substring(0, string1.LastIndexOf("."))
luj = ListBox1.SelectedItem.ToString.Substring(0, ListBox1.SelectedItem.ToString.LastIndexOf(".")) + ".lrc"
Me.HScrollBar1.Value = Me.AxWindowsMediaPlayer1.Ctlcontrols.currentPosition / (Me.AxWindowsMediaPlayer1.currentMedia.duration + 0.001) * 1000
ss = Me.AxWindowsMediaPlayer1.Ctlcontrols.currentPositionString
Me.Label1.Text = ss
If Dir(luj) Nothing Then
Dim fr As System.IO.StreamReader = New System.IO.StreamReader(luj, System.Text.Encoding.Default)
sss = fr.ReadLine '我们读取的第一行歌词
While (sss "")
If (sss.LastIndexOf(ss) -1) Then '时间匹配了歌词中的时间
Me.TextBox1.Text = sss.Substring(sss.LastIndexOf("]") + 1)
Form2.TextBox1.Text = Me.TextBox1.Text
End If
sss = fr.ReadLine
End While
Else
TextBox1.Text = "Not Find! 请从网上下载歌词！"
Form2.TextBox1.Text = "Not Find! 请从网上下载歌词！"
End If
Label1.Text = "当前进度:" + Me.AxWindowsMediaPlayer1.Ctlcontrols.currentPositionString
End Sub
Private Sub HScrollBar1_Scroll(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ScrollEventArgs) Handles HScrollBar1.Scroll
Me.AxWindowsMediaPlayer1.Ctlcontrols.currentPosition = Me.HScrollBar1.Value / 1000 * Me.AxWindowsMediaPlayer1.currentMedia.duration
End Sub
Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click
Me.AxWindowsMediaPlayer1.Ctlcontrols.fastForward()
End Sub
Private Sub Button8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button8.Click
Me.AxWindowsMediaPlayer1.Ctlcontrols.fastReverse()
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
i = 0
j = False
l = False
Label2.Text = "歌曲名： "
Label3.Text = "歌曲演唱者： "
Label4.Text = "歌曲描述： "
Label5.Text = "歌曲类型： "
Label6.Text = "歌曲大小： "
Button8.Enabled = False
End Sub
Private Sub ListBox1_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles ListBox1.DoubleClick
Me.AxWindowsMediaPlayer1.URL = ListBox1.Items(ListBox1.SelectedIndex)
Me.AxWindowsMediaPlayer1.Ctlcontrols.play()
Label2.Text = "歌曲名： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("Title")
Label3.Text = "歌曲演唱者： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("Author")
Label4.Text = "歌曲描述： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("Description")
Label5.Text = "歌曲类型： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("FileType")
Label6.Text = "歌曲大小： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("FileSize")
Timer1.Start()
End Sub
Private Sub playsound()
Timer1.Stop()
TrackBar1.Value = Me.AxWindowsMediaPlayer1.settings.volume
If j = False Then
Me.AxWindowsMediaPlayer1.URL = ListBox1.Items(ListBox1.SelectedIndex)
ElseIf j = True Then
k = (ListBox1.SelectedIndex + 1) Mod soundname.Length
Me.AxWindowsMediaPlayer1.URL = ListBox1.Items(k)
j = False
End If
ListBox1.SelectedIndex = k
Me.AxWindowsMediaPlayer1.Ctlcontrols.play()
Label2.Text = "歌曲名： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("Title")
Label3.Text = "歌曲演唱者： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("Author")
Label4.Text = "歌曲描述： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("Description")
Label5.Text = "歌曲类型： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("FileType")
Label6.Text = "歌曲大小： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("FileSize")
Timer1.Start()
End Sub
Private Sub selectsound()
Dim open As New OpenFileDialog
Dim i As Integer
With open
.Filter = "所有mp3文件(*.mp3)|*.mp3|所有wma文件(*.wma)|*.wma"
.Multiselect = True
.Title = "请选择歌曲"
End With
If (open.ShowDialog = Windows.Forms.DialogResult.OK) Then
soundname = open.FileNames
For i = 0 To soundname.GetUpperBound(0)
ListBox1.Items.Add(soundname(i))
Next
ListBox1.SelectedIndex = 0
End If
End Sub
Private Sub AxWindowsMediaPlayer1_PlayStateChange(ByVal sender As System.Object, ByVal e As AxWMPLib._WMPOCXEvents_PlayStateChangeEvent) Handles AxWindowsMediaPlayer1.PlayStateChange
If AxWindowsMediaPlayer1.playState = WMPLib.WMPPlayState.wmppsMediaEnded Then
j = True
Timer2.Start()
End If
End Sub
Private Sub Timer2_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer2.Tick
playsound()
Timer2.Stop()
End Sub
Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
Timer1.Stop()
If ListBox1.SelectedIndex = 0 Then
Me.AxWindowsMediaPlayer1.URL = ListBox1.Items(soundname.Length - 1)
ListBox1.SelectedIndex = (soundname.Length - 1)
Else
Me.AxWindowsMediaPlayer1.URL = ListBox1.Items((ListBox1.SelectedIndex Mod soundname.Length) - 1)
ListBox1.SelectedIndex = (ListBox1.SelectedIndex Mod soundname.Length) - 1
End If
Me.AxWindowsMediaPlayer1.Ctlcontrols.play()
Label2.Text = "歌曲名： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("Title")
Label3.Text = "歌曲演唱者： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("Author")
Label4.Text = "歌曲描述： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("Description")
Label5.Text = "歌曲类型： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("FileType")
Label6.Text = "歌曲大小： " + Me.AxWindowsMediaPlayer1.currentMedia.getItemInfo("FileSize")
Timer1.Start()
End Sub
Private Sub Button9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button9.Click
Form2.Show()
End Sub
End Class
vb.net获取mp3的歌曲名和其他属性
从MP3中提取歌曲信息
一首MP3歌曲除了音乐信息外，还包含了如歌名、演唱者等信息，当我们用winamp软件听音乐时，播放清单就自动将这些信息读出来。大部分人都喜欢从网上下载音乐，但下载下来的MP3文件名都是文件上传系统自动取名的，和歌曲本身根本不相符，所以，给用户带来了很大的麻烦。但是，懒人有懒人的做法，我们何不自己写一个程序，将歌曲信息自动读出来并为MP3文件自动更名呢？
下面以C#为工具，把开发过程写出来。
一首MP3的额外信息存放在文件的最后面，共占128个字节，其中包括以下的内容（我们定义一个结构说明）：
public struct Mp3Info
{
public string identify;//TAG，三个字节
public string Title;//歌曲名,30个字节
public string Artist;//歌手名,30个字节
public string Album;//所属唱片,30个字节
public string Year;//年,4个字符
public string Comment;//注释,28个字节
public char reserved1;//保留位，一个字节
public char reserved2;//保留位，一个字节
public char reserved3;//保留位，一个字节
}
所以，我们只要把MP3文件的最后128个字节分段读出来并保存到该结构里就可以了。函数定义如下：
///
/// 获取MP3文件最后128个字节
///
/// 文件名
/// 返回字节数组
private byte[] getLast128(string FileName)
{
FileStream fs = new FileStream(FileName,FileMode.Open,FileAccess.Read);
Stream stream = fs;
stream.Seek(-128,SeekOrigin.End);
const int seekPos = 128;
int rl = 0;
byte[] Info = new byte[seekPos];
rl = stream.Read(Info,0,seekPos);
fs.Close();
stream.Close();
return Info;
}
再对上面返回的字节数组分段取出，并保存到Mp3Info结构中返回。
///
/// 获取MP3歌曲的相关信息
///
/// 从MP3文件中截取的二进制信息
/// 返回一个Mp3Info结构
private Mp3Info getMp3Info(byte[] Info)
{
Mp3Info mp3Info = new Mp3Info();
string str = null;
int i;
int position = 0;//循环的起始值
int currentIndex = 0;//Info的当前索引值
//获取TAG标识
for(i = currentIndex;i
{
str = str+(char)Info[i];
position++;
}
currentIndex = position;
mp3Info.identify = str;
//获取歌名
str = null;
byte[] bytTitle = new byte[30];//将歌名部分读到一个单独的数组中
int j = 0;
for(i = currentIndex;i
{
bytTitle[j] = Info[i];
position++;
j++;
}
currentIndex = position;
mp3Info.Title = this.byteToString(bytTitle);
//获取歌手名
str = null;
j = 0;
byte[] bytArtist = new byte[30];//将歌手名部分读到一个单独的数组中
for(i = currentIndex;i
{
bytArtist[j] = Info[i];
position++;
j++;
}
currentIndex = position;
mp3Info.Artist = this.byteToString(bytArtist);
//获取唱片名
str = null;
j = 0;
byte[] bytAlbum = new byte[30];//将唱片名部分读到一个单独的数组中
for(i = currentIndex;i
{
bytAlbum[j] = Info[i];
position++;
j++;
}
currentIndex = position;
mp3Info.Album = this.byteToString(bytAlbum);
//获取年
str = null;
j = 0;
byte[] bytYear = new byte[4];//将年部分读到一个单独的数组中
for(i = currentIndex;i
{
bytYear[j] = Info[i];
position++;
j++;
}
currentIndex = position;
mp3Info.Year = this.byteToString(bytYear);
//获取注释
str = null;
j = 0;
byte[] bytComment = new byte[28];//将注释部分读到一个单独的数组中
for(i = currentIndex;i
{
bytComment[j] = Info[i];
position++;
j++;
}
currentIndex = position;
mp3Info.Comment = this.byteToString(bytComment);
//以下获取保留位
mp3Info.reserved1 = (char)Info[++position];
mp3Info.reserved2 = (char)Info[++position];
mp3Info.reserved3 = (char)Info[++position];
return mp3Info;
}
上面程序用到下面的方法：
///
/// 将字节数组转换成字符串
///
/// 字节数组
/// 返回转换后的字符串
private string byteToString(byte[] b)
{
Encoding enc = Encoding.GetEncoding("GB2312");
string str = enc.GetString(b);
str = str.Substring(0,str.IndexOf('\0') = 0 ? str.IndexOf('\0') : str.Length);//去掉无用字符
return str;
}
改名怎么办呢？我们按（演唱者）歌名 的格式对歌曲进行改名，程序如下：
///
/// 更改文件名
///
/// 文件名
///
private bool ReName(string filePath)
{
if(File.Exists(filePath))
{
Mp3Info mp3Info = new Mp3Info();
mp3Info = this.getMp3Info(this.getLast128(filePath));//读出文件信息
mp3Info.Artist = this.DeleteNotValue(mp3Info.Artist);
mp3Info.Title = this.DeleteNotValue(mp3Info.Title);
if(mp3Info.Artist.Trim().Length==0)
{
mp3Info.Artist="未命名";
}
if(mp3Info.Title.Trim().Length==0)
{
mp3Info.Title="未知名歌曲";
}
try
{
//更名
File.Move(filePath,filePath.Substring(0,filePath.ToLower().LastIndexOf("\\")).Trim() + "\\" + "(" + mp3Info.Artist.Trim() + ")" +mp3Info.Title.Trim() + ".mp3");
return true;
}
catch(Exception)
{
return false;
}
}
else
{
return false;
}
}
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