<!--METADATA type= "TypeLib"
uuid= "00000205-0000-0010-8000-00AA006D2EA4"
name= "ADODB Type Library"
-->
<%
' Author: Dragon zyvslxl,zyvslxl@163.com please keep
' property to be specified
Path to
' path file
The
' class header section defines an attribute that can get information, of course, and can theoretically return any label value
' Adds a known label to the Select Case Frameid (i) section of ID3v2 () to return the appropriate content
' Because personal knowledge is limited, please advise
' Available Methods
' CreateStream Open file stream
' pre executes
' Closestream closes file stream
Class mp3
Public Path
Public Flag
public title ' title
public Artist ' author
Public Album ' album
public issueyear ' production age
public Comment ' remarks
public genre ' type
public Tcon ' genre
public mptime ' time
public USLT ' lyrics
Private objstream
' [to be extended]
private Function exitext ()
Dim ext
ext = LCase (right path,len (path)-instrrev ("."))
Exitext = ext
End Function
' [conversion function, some types still cannot be judged]
private Function bin2str (binstr,num)
On Error Resume Next
Dim Varlen,clow,ccc,skipflag, I,biy
skipflag=0
CCC = ""
for I=1 to Num
Clow = MidB (binstr,i,1)
If ASCB (clow) =0 then
skipflag=0
' CCC = null
Else
If skipflag=0 Then
If AscB (Clow) > 127 Then
CCC =CCC & Chr (AscW (MidB (binstr,i+1,1) & Clow))
skipflag=1
Else
CCC = CCC & Chr (AscB (Clow))
End If
Else
skipflag=0
End If
End If
Next
BIN2STR = CCC
End Function
' [Loading file]
public Function CreateStream ()
On Error Resume Next
Set objstream = Server.CreateObject ("ADODB. Stream ")
objStream.Type = adTypeBinary
objStream.Open
Err.Clear
objStream.LoadFromFile Path
If err<>0 Then
objstream.loadfromfile Server.MapPath (Path)
End If
Err.Clear
End Function
' [Close file stream]
public Function closestream ()
objStream.Close
Set objstream = Nothing
End Function
' [flag info]
public Function ID ()
Dim Comm
objstream.position = 0
Comm = Objstream.read (3)
id = bin2str (Comm)
End Function
' [ID3v2 information read]
Private Function ID3v2 ()
Dim Frameid ()
Dim framesize ()
Dim FrameSize1 ()
Dim Flags ()
Dim Frame ()
Dim MaxSize
Dim i
i = 0
objstream.position = 6
MaxSize = Topsize (Objstream.read (4))
' Response.Write "<font color=red>" &MaxSize& "</font><br>"
Do While objstream.position < MaxSize
ReDim Preserve Frameid (i), framesize (i), FrameSize1 (i), Flags (i), Frame (i)
Frameid (i) = Bin2str (Objstream.read (4), 4)
If Isnull (Frameid (i)) or Frameid (i) = "" Then Exit do
framesize (i) = Size (Objstream.read (4))
If Isnull (framesize (i)) or framesize (i) = 0 Then Exit do
Objstream.read (2) ' [Flag]
' Objstream.read (1)
Frame (i) = Bin2str (Objstream.read (Framesize (i)), framesize (i))
i = i+1
Loop
' [Assign value to property]
Dim J
j = i-1
for i = 0 to J
' Response.Write I
Select Case Ucase (Frameid (i))
case "TIT2": Title = CStr (Frame (i))
case "COMM": Comment = CStr (Frame (i))
case "TPE1": Artist = CStr (Frame (i))
case "Talb": Album = CStr (Frame (i))
case "Tyer": Issueyear = CStr (Frame (i))
case "Tcon": Tcon = CStr (Frame (i))
case "Time": Mptime = CStr (Frame (i))
case "USLT": USLT = CStr (Frame (i))
End Select
Next
End Function
' [Get label frame length/specific label content length]
Private Function Size (num)
Size = Null
Dim a,b,c,d
A = MidB
