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Visual Basic Programming Code Examples

Visual Basic > Multimedia Animation and Sound Code Examples

Functions for CDAudio (requires MCI-control)

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Functions for CDAudio (requires MCI-control) 'save file and rename them to [name].BAS Attribute VB_Name = "CD_Serial_Number" Option Explicit Private Declare Function GetPrivateProfileString Lib "Kernel32" Alias "GetPrivateProfileStringA" _ (ByVal lpApplicationName As String, ByVal lpKeyName As Any, ByVal lpDefault As String, ByVal lpReturnedString As String, ByVal nSize As Long, ByVal lpFileName As String) As Long Private Declare Function WritePrivateProfileString Lib "Kernel32" Alias "WritePrivateProfileStringA" _ (ByVal AppName As String, ByVal KeyName As String, ByVal keydefault As String, ByVal Filename As String) As Long Global CDMin As Integer Global CDSec As Integer Global TMin As Integer Global TSec As Integer Global RMin As Integer Global RSec As Integer Global TimeTrack As String Global TimeElapsed As String Global TimeRemaining As String Global Artist1 As String Global Title1 As String Global Artist2 As String Global Title2 As String Sub CDAudioProperties() Dim T As Double On Error Resume Next T = Shell("rundll32.exe shell32.dll,Control_RunDLL mmsys.cpl,,3", 5) End Sub Function GetRawRemainingTime(MMCOntrol1 As Object) As String Dim Z As String, min As String, sec As String, _ Temp As String Z = GetRunningTime(MMCOntrol1) Z = GetTrackTime(MMCOntrol1) Min = LTrim$(Str$(CDMin - TMin)) Sec = LTrim$(Str$(CDSec - TSec)) RMin = Val(Min) RSec = Val(Sec) If RSec < 0 Then RSec = 60 + Val(Sec) RMin = RMin - 1 End If Min = LTrim$(Str$(RMin)) Temp = Trim$(Str$(RSec)) If Len(Temp) = 1 Then sec = "0" + Temp Else sec = Temp End If GetRawRemainingTime = min + Sec End Function Function GetRemainingTime(MMCOntrol1 As Object) As String Dim Z As String, min As String, sec As String, _ Temp As String Z = GetRunningTime(MMCOntrol1) Z = GetTrackTime(MMCOntrol1) Min = LTrim$(Str$(CDMin - TMin)) Sec = LTrim$(Str$(CDSec - TSec)) RMin = Val(Min) RSec = Val(Sec) If RSec < 0 Then RSec = 60 + Val(Sec) RMin = RMin - 1 End If Min = LTrim$(Str$(RMin)) Temp = Trim$(Str$(RSec)) If Len(Temp) = 1 Then sec = "0" + Temp Else sec = Temp End If GetRemainingTime = min + ":" + Sec End Function Sub GetTime(MMCOntrol1 As Object) Dim Z$ Z$ = GetRemainingTime(MMCOntrol1) End Sub Function GetTrackTime(MMCOntrol1 As Object) As String Dim Length&, Entry2$, Min$, Sec$, D$, Entry$ MMCOntrol1.TimeFormat = 2 Length& = MMCOntrol1.TrackLength Min$ = Str$(Length& And &HFF) Sec$ = LTrim$(Str$((Length& And 65280) / 256)) Entry2$ = Min$ & ":" & Sec$ If Len(Sec$) = 1 Then Entry2$ = Min$ + ":0" + Sec$ Entry$ = Min$ + ":" + Sec$ If Len(Entry2$) = 4 Then D$ = "0" + Entry2$ Else D$ = Entry2$ End If If Len(Entry2$) = 3 Then D$ = "00" + Entry2$ Else D$ = Entry2$ End If D$ = Entry2$ GetTrackTime = Trim$(D$) MMCOntrol1.TimeFormat = 10 CDMin = Val(Min$) CDSec = Val(Sec$) End Function Function GetRunningTime(MMCOntrol1 As Object) As String Dim E As Long, M As String, S As String, Length&, Min$, Sec$, D As Long, Entry2$ MMCOntrol1.TimeFormat = 2 Length& = MMCOntrol1.Position - MMCOntrol1.TrackPosition Min$ = Str$(Length& And &HFF) Sec$ = LTrim$(Str$((Length& And 65280) / 256)) If Len(Sec$) = 3 Then D = Val(Min$) - 1 Min$ = LTrim$(Str$(D)) E = Val(Right$(Sec$, 2)) + 4 Sec$ = LTrim$(Str$(E)) End If M = Min$ 'If Len(Min$) = 1 Then M = "0" + Min$ Else M = Min$ 'If Val(M) = 0 Then M = "00" 'If Val(M) = 1 Then M = "01" 'If Val(M) = 2 Then M = "02" 'If Val(M) = 3 Then M = "03" 'If Val(M) = 4 Then M = "04" 'If Val(M) = 5 Then M = "05" 'If Val(M) = 6 Then M = "06" 'If Val(M) = 7 Then M = "07" 'If Val(M) = 8 Then M = "08" 'If Val(M) = 9 Then M = "09" If Len(Sec$) = 1 Then S = "0" + Sec$ Else If Len(Sec$) = 3 Then S = Mid$(Sec$, 2) Else S = Sec$ end If End If TMin = Val(M) TSec = Val(S) Entry2$ = LTrim$(M) + ":" + LTrim$(S) MMCOntrol1.TimeFormat = 10 GetRunningTime = Entry2$ End Function Function GetRawRunningTime(MMCOntrol1 As Object) As String Dim E As Long, M As String, S As String, Length&, Min$, Sec$, D As Long, Entry2$ MMCOntrol1.TimeFormat = 2 Length& = MMCOntrol1.Position - MMCOntrol1.TrackPosition Min$ = Str$(Length& And &HFF) Sec$ = LTrim$(Str$((Length& And 65280) / 256)) If Len(Sec$) = 3 Then D = Val(Min$) - 1 Min$ = LTrim$(Str$(D)) E = Val(Right$(Sec$, 2)) + 4 Sec$ = LTrim$(Str$(E)) End If M = Min$ 'If Len(Min$) = 1 Then M = "0" + Min$ Else M = Min$ 'If Val(M) = 0 Then M = "0" 'If Val(M) = 1 Then M = "1" 'If Val(M) = 2 Then M = "2" 'If Val(M) = 3 Then M = "3" 'If Val(M) = 4 Then M = "4" 'If Val(M) = 5 Then M = "5" 'If Val(M) = 6 Then M = "6" 'If Val(M) = 7 Then M = "7" 'If Val(M) = 8 Then M = "8" 'If Val(M) = 9 Then M = "9" If Len(Sec$) = 1 Then S = "0" + Sec$ Else If Len(Sec$) = 3 Then S = Mid$(Sec$, 2) Else S = Sec$ end If End If Entry2$ = M + S MMCOntrol1.TimeFormat = 10 GetRawRunningTime = Entry2$ End Function Function GetRawTrackTime(MMCOntrol1 As Object) As String Dim Length&, Entry2$, Min$, Sec$, D$ MMCOntrol1.TimeFormat = 2 Length& = MMCOntrol1.TrackLength Min$ = Str$(Length& And &HFF) Sec$ = LTrim$(Str$((Length& And 65280) / 256)) Entry2$ = Min$ + Sec$ If Len(Sec$) = 1 Then Entry2$ = Min$ + "0" + Sec$ GetRawTrackTime = Entry2$ MMCOntrol1.TimeFormat = 10 End Function Public Function myReadINI(inifile, inisection, inikey, iniDefault) 'Fail fracefully if no file / wrong file is specified. 'If no section (appname), default is first appname 'if no key, default is first key Dim lpApplicationName As String Dim lpKeyName As String Dim lpDefault As String Dim lpReturnedString As String Dim nSize As Long Dim lpFileName As String Dim retval As Long Dim Filename As String lpDefault = Space$(254) lpDefault = iniDefault lpReturnedString = Space$(254) nSize = 254 lpFileName = inifile lpApplicationName = inisection lpKeyName = inikey Filename = lpFileName retval = GetPrivateProfileString _ (lpApplicationName, lpKeyName, lpDefault, lpReturnedString, nSize, lpFileName) myReadINI = lpReturnedString End Function Public Function myWriteINI(inifile As String, inisection As String, inikey As String, Info As String) As String Dim retval As Long retval = WritePrivateProfileString(inisection, inikey, Info, inifile) myWriteINI = LTrim$(Str$(retval)) End Function Public Function GenCDSerial(MMCOntrol1 As Object) As Long Const MCI_FORMAT_MILLISECONDS = 0 Const MCI_FORMAT_MSF = 2 Const MCI_FORMAT_TMSF = 10 'MCI_Format :0,2,10 are the only supported formats for CD Dim Compat As Integer Dim i As Integer Dim dwtotal&, dwtemp& Dim byte0%, byte1%, byte2%, byte3% 'compat = 0 for EXISTING code 'Compat = 1 for use with CDPLAYER.EXE Compat = 1 MMCOntrol1.Notify = False MMCOntrol1.Wait = True MMCOntrol1.Shareable = True If MMCOntrol1.Error <> 0 Then MsgBox MMCOntrol1.ErrorMessage Exit Function End If MMCOntrol1.TimeFormat = MCI_FORMAT_MSF dwtotal& = 0 For i = 1 To MMCOntrol1.Tracks DoEvents MMCOntrol1.Track = i dwtemp& = MMCOntrol1.TrackPosition byte0% = dwtemp& And &HFF& byte1% = (dwtemp& And &HFF00&) \ &H100 byte2% = (dwtemp& And &HFF0000) \ &H10000 byte3% = (dwtemp& And &H7F000000) \ &H1000000 If (dwtemp& And &H80000000) <> 0 Then ' put sign bit back into byte4 byte3 = byte3 + &H80 end If dwtemp& = byte0% * &H10000 + byte1% * &H100 + byte2% dwtotal& = dwtotal& + dwtemp& Next i If MMCOntrol1.Tracks < 3 Then dwtotal& = dwtotal& + msf2frames(MMCOntrol1.Length) + Compat End If GenCDSerial = dwtotal& End Function Function msf2frames(msf As Long) As Long Rem From the KnowledgeBase Rem byte1 = MMControl1.Position And &HFF& Rem byte2 = (MMControl1.Position And &HFF00&) \ &H100 Rem byte3 = (MMControl1.Position And &HFF0000) \ &H10000 Rem byte4 = (MMControl1.Position And &H7F000000) \ &H1000000 Rem If (MMControl1.Position And &H80000000) <> 0 Then Rem ' put sign bit back into byte4 Rem byte4 = byte4 + &H80 Rem end If dim byte0, byte1, byte2, byte3 As Integer dim Min, Sec, fra As Integer byte0 = msf And &HFF& byte1 = (msf And &HFF00&) \ &H100 byte2 = (msf And &HFF0000) \ &H10000 byte3 = (msf And &H7F000000) \ &H1000000 If (msf And &H80000000) <> 0 Then ' put sign bit back into byte4 byte3 = byte3 + &H80 end If min = byte0 sec = byte1 fra = byte2 msf2frames = (Min * 60 + Sec) * 75 + fra End Function Function Z_Trim(String1 As String) As String Dim A As Integer For A = 1 To Len(String1) If Mid$(String1, A, 1) = Chr$(0) Then Exit For Next A Z_Trim = RTrim$(Left$(String1, A - 1)) End Function Return