在asp文件中访问flash详细信息

来源： 录入时间：07-04-27 00:59:36

   <%
  
  Class SWFDump
  
  Private header
  Private RECTdata
  Private nBits
  Private mversion
  Private mfilelen
  Private mxMin
  Private mxMax
  Private myMin
  Private myMax
  Private mheigt
  Private mwidth
  Private mframerate
  Private mframecount
  
  Private Sub Class_Initialize()
  
  End Sub
  
  Private Sub Class_Terminate()
  
  End Sub
  
  
  Private Function ReadHeader (filename)
  Const ForReading = 1, ForWriting = 2, ForAppending = 8
  Dim fso, f
  Set fso = CreateObject("Scripting.FileSystemObject")
  Set f = fso.OpenTextFile(filename, ForReading)
  ReadHeader = f.Read(21)
  End Function
  
  Private Function ToBin(inNumber, OutLenStr )
  Dim binary
  binary = ""
  do while inNumber >= 1
  binary = binary & inNumber mod 2
  inNumber = inNumber \ 2
  loop
  binary = binary & String(OutLenStr - len(binary), "0")
  ToBin = StrReverse(binary)
  End Function
  
  Private Function Bin2Decimal(inBin)
  Dim counter
  Dim temp
  Dim Value
  inBin = StrReverse(inBin)
  temp = 0
  For counter = 1 to Len(inBin)
  If counter = 1 then
  Value = 1
  Else
  Value = Value * 2
  End If
  temp = temp + mid(inBin, counter ,1) * Value
  Next
  Bin2Decimal = temp
  End Function
  
  Public Function SWFDump(fileName)
  
  header = ReadHeader (fileName)
  mversion = asc(mid(header,4,1))
  mfilelen = asc(mid(header,5,1))
  mfilelen = mfilelen + asc(mid(header,6,1)) * 256
  mfilelen = mfilelen + asc(mid(header,7,1)) * 256 * 256
  mfilelen = mfilelen + asc(mid(header,8,1)) * 256 * 256 * 256
  
  RECTdata = ToBin(asc(mid(header,9,1)),8)
  RECTdata = RECTdata & ToBin(asc(mid(header,10,1)),8)
  RECTdata = RECTdata & ToBin(asc(mid(header,11,1)),8)
  RECTdata = RECTdata & ToBin(asc(mid(header,12,1)),8)
  RECTdata = RECTdata & ToBin(asc(mid(header,13,1)),8)
  RECTdata = RECTdata & ToBin(asc(mid(header,14,1)),8)
  RECTdata = RECTdata & ToBin(asc(mid(header,15,1)),8)
  RECTdata = RECTdata & ToBin(asc(mid(header,16,1)),8)
  RECTdata = RECTdata & ToBin(asc(mid(header,17,1)),8)
  
  nBits = Mid(RECTdata,1,5)
  nBits = Bin2Decimal(nBits)
  
  mxMin = Bin2Decimal(Mid(RECTdata,6,nBits))
  mxMax = Bin2Decimal(Mid(RECTdata,6 + nBits * 1 ,nBits))
  myMin = Bin2Decimal(Mid(RECTdata,6 + nBits * 2 ,nBits))
  myMax = Bin2Decimal(Mid(RECTdata,6 + nBits * 3 ,nBits))
  
  mheigt = (myMax - myMin) / 20
  mwidth = (mxMax - mxMin) / 20
  
  mframerate = asc(mid(header,18,1))
  
  mframecount = asc(mid(header,19,1))
  mframecount = mframecount + asc(mid(header,20,1)) * 256
  
  End Function
  
  
  Public Property Get Heigt()
  Heigt = mheigt
  End Property
  
  Public Property Get Width()
  Width = mwidth
  End Property
  
  Public Property Get Version()
  Version = mversion
  End Property
  
  Public Property Get FileLen()
  FileLen = mfilelen
  End Property
  
  Public Property Get xMin()
  xMin = mxMin
  End Property
  
  Public Property Get xMax()
  xMax = mxMax
  End Property
  
  Public Property Get yMin()
  yMin = myMin
  End Property
  
  Public Property Get yMax()
  yMax = myMax
  End Property
  
  Public Property Get Framerate()
  Framerate = mframerate
  End Property
  
  Public Property Get Framecount()
  Framecount = mframecount
  End Property
  End Class
  %>
  
  做成包含文件swfheaderdump.inc
  调用：
  
  <!-- #include file="swfheaderdump.inc" -->
  <%
  ' Pass the SWF name in querystring this way
  ' swfdump.asp?swf=yourmovie.swf
  
  set myObj = new swfdump
  myObj.SWFDump (Server.MapPath(request("swf")))
  
  Response.Write "Heigt (pixel) = " & myObj.Heigt & "<br>"
  Response.Write "Width (pixel) = " & myObj.Width & "<br>"
  Response.Write "Version = " & myObj.Version & "<br>"
  Response.Write "FileLen (bytes) = " & myObj.FileLen & "<br>"
  Response.Write "xMin (twips) = " & myObj.xMin & "<br>"
  Response.Write "xMax (twips) = " & myObj.xMax & "<br>"
  Response.Write "yMin (twips) = " & myObj.yMin & "<br>"
  Response.Write "yMax (twips) = " & myObj.yMax & "<br>"
  Response.Write "FrameRate = " & myObj.FrameRate & "<br>"
  Response.Write "FrameCount = " & myObj.FrameCount & "<br>"
  %>