242 lines
8.4 KiB
Text
242 lines
8.4 KiB
Text
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VERSION 5.00
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Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0"; "comdlg32.ocx"
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Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "mscomctl.ocx"
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Begin VB.Form frmPlugins
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BorderStyle = 3 'Fixed Dialog
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Caption = "BASS plugin test"
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ClientHeight = 3105
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ClientLeft = 45
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ClientTop = 435
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ClientWidth = 4560
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LinkTopic = "Form1"
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MaxButton = 0 'False
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MinButton = 0 'False
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ScaleHeight = 3105
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ScaleWidth = 4560
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StartUpPosition = 2 'CenterScreen
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Begin VB.Timer tmrPlugins
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Interval = 500
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Left = 0
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Top = 2400
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End
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Begin MSComctlLib.Slider sldPosition
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Height = 435
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Left = 360
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TabIndex = 1
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Top = 2640
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Width = 3855
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_ExtentX = 6800
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_ExtentY = 767
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_Version = 393216
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TickStyle = 3
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TickFrequency = 0
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End
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Begin VB.Frame framePlugins
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Caption = " Loaded plugins "
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Height = 1455
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Left = 120
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TabIndex = 2
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Top = 120
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Width = 4335
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Begin VB.ListBox lstPlugins
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Height = 1035
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Left = 120
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TabIndex = 3
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TabStop = 0 'False
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Top = 240
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Width = 4095
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End
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End
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Begin VB.CommandButton btnOpen
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Caption = "click here to open a file..."
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Height = 375
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Left = 120
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TabIndex = 0
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Top = 1680
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Width = 4335
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End
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Begin MSComDlg.CommonDialog cmdOpenFile
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Left = 4080
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Top = 2400
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_ExtentX = 847
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_ExtentY = 847
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_Version = 393216
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End
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Begin VB.Label lblInfo
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Alignment = 2 'Center
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Height = 435
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Left = 120
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TabIndex = 4
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Top = 2160
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Width = 4320
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End
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End
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Attribute VB_Name = "frmPlugins"
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Attribute VB_GlobalNameSpace = False
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Attribute VB_Creatable = False
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Attribute VB_PredeclaredId = True
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Attribute VB_Exposed = False
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'////////////////////////////////////////////////////////////////////////////////
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' frmPlugins.frm - Copyright (c) 2006-2007 (: JOBnik! :) [Arthur Aminov, ISRAEL]
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' [http://www.jobnik.org]
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' [ jobnik@jobnik.org ]
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'
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' BASS plugin test
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' Originally translated from - plugins.c - Example of Ian Luck
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'////////////////////////////////////////////////////////////////////////////////
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Option Explicit
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Dim chan As Long ' the channel
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Dim filter As String
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' display error messages
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Sub Error_(ByVal mes As String)
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Call MsgBox(mes & vbCrLf & vbCrLf & "(error code: " & BASS_ErrorGetCode & ")", vbExclamation, "Error!")
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End Sub
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' translate a CTYPE value to text
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Public Function GetCTypeString(ByVal ctype As Long, ByVal plugin As Long) As String
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If (plugin) Then ' using a plugin
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Dim pinfo As BASS_PLUGININFO, a As Long
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pinfo = BASS_PluginGetInfo(plugin) ' get plugin info
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For a = 0 To pinfo.formatc - 1
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If (BASS_PluginGetInfoFormat(plugin, a).ctype = ctype) Then ' found a "ctype" match...
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GetCTypeString = VBStrFromAnsiPtr(BASS_PluginGetInfoFormat(plugin, a).name) ' return it's name
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Exit Function
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End If
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Next a
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End If
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' check built-in stream formats...
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Select Case (ctype)
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Case (BASS_CTYPE_STREAM_OGG): GetCTypeString = "Ogg Vorbis"
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Case (BASS_CTYPE_STREAM_MP1): GetCTypeString = "MPEG layer 1"
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Case (BASS_CTYPE_STREAM_MP2): GetCTypeString = "MPEG layer 2"
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Case (BASS_CTYPE_STREAM_MP3): GetCTypeString = "MPEG layer 3"
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Case (BASS_CTYPE_STREAM_AIFF): GetCTypeString = "Audio IFF"
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Case (BASS_CTYPE_STREAM_WAV_PCM): GetCTypeString = "PCM WAVE"
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Case (BASS_CTYPE_STREAM_WAV_FLOAT): GetCTypeString = "Floating-point WAVE"
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Case Else: GetCTypeString = "?"
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End Select
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' other WAVE codec, could use acmFormatTagDetails to get its name, but...
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If (ctype And BASS_CTYPE_STREAM_WAV) Then GetCTypeString = "WAVE"
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End Function
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Private Sub Form_Load()
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' change and set the current path, to prevent from VB not finding BASS.DLL
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ChDrive App.Path
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ChDir App.Path
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' check the correct BASS was loaded
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If (HiWord(BASS_GetVersion) <> BASSVERSION) Then
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Call MsgBox("An incorrect version of BASS.DLL was loaded", vbCritical)
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End
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End If
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' initialize default output device
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If (BASS_Init(-1, 44100, 0, Me.hWnd, 0) = 0) Then
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Call Error_("Can't initialize device")
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End
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End If
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' initialize file selector
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cmdOpenFile.CancelError = True
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cmdOpenFile.flags = cdlOFNExplorer Or cdlOFNFileMustExist Or cdlOFNHideReadOnly
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cmdOpenFile.DialogTitle = "Open"
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cmdOpenFile.filter = filter
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filter = "BASS built-in (*.mp3;*.mp2;*.mp1;*.ogg;*.wav;*.aif)|*.mp3;*.mp2;*.mp1;*.ogg;*.wav;*.aif"
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' look for plugins (in the executable's directory)
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Dim fh As String
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fh = Dir("bass*.dll") ' find 1st file
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Do While (fh <> "")
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Dim plug As Long
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plug = BASS_PluginLoad(fh, 0) ' plugin loaded...
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If (plug) Then
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Dim pinfo As BASS_PLUGININFO
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pinfo = BASS_PluginGetInfo(plug) ' get plugin info to add to the file selector filter...
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Dim a As Long
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For a = 0 To pinfo.formatc - 1
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filter = filter & "|" & VBStrFromAnsiPtr(BASS_PluginGetInfoFormat(plug, a).name) & " (" & VBStrFromAnsiPtr(BASS_PluginGetInfoFormat(plug, a).exts) & ")" & " - " & fh ' format description
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filter = filter & "|" & VBStrFromAnsiPtr(BASS_PluginGetInfoFormat(plug, a).exts) ' extension filter
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Next a
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' add plugin to the list
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lstPlugins.AddItem fh
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End If
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fh = Dir() ' get next file
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Loop
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' no plugins...
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If (lstPlugins.ListCount = 0) Then _
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lstPlugins.AddItem "no plugins - visit the BASS webpage to get some"
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filter = filter & "|" & "All files|*.*"
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cmdOpenFile.filter = filter
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End Sub
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Private Sub Form_Unload(Cancel As Integer)
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' "free" the output device and all plugins
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Call BASS_Free
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Call BASS_PluginFree(0)
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End
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End Sub
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Private Sub btnOpen_Click()
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On Local Error Resume Next ' if Cancel pressed...
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cmdOpenFile.ShowOpen
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' if cancel was pressed, exit the procedure
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If Err.Number = 32755 Then Exit Sub
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Call BASS_StreamFree(chan) ' free the old stream
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chan = BASS_StreamCreateFile(BASSFALSE, StrPtr(cmdOpenFile.filename), 0, 0, BASS_SAMPLE_LOOP)
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' it ain't playable
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If (chan = 0) Then
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btnOpen.Caption = "click here to open a file..."
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lblInfo.Caption = ""
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Call Error_("Can't play the file")
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Exit Sub
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End If
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btnOpen.Caption = cmdOpenFile.filename
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' display the file type and length
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Dim bytes As Long
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bytes = BASS_ChannelGetLength(chan, BASS_POS_BYTE)
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Dim time As Long
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time = BASS_ChannelBytes2Seconds(chan, bytes)
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Dim info As BASS_CHANNELINFO
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Call BASS_ChannelGetInfo(chan, info)
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lblInfo.Caption = "channel type = " & Hex(info.ctype) & " (" & GetCTypeString(info.ctype, info.plugin) _
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& ")" & vbCrLf & "length = " & bytes & " (" & time \ 60 & ":" & Format(time Mod 60, "00") & ")"
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sldPosition.max = time ' update scroller range
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Call BASS_ChannelPlay(chan, BASSFALSE)
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End Sub
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Private Sub sldPosition_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
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tmrPlugins.Enabled = False
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End Sub
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Private Sub sldPosition_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
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Call BASS_ChannelSetPosition(chan, BASS_ChannelSeconds2Bytes(chan, sldPosition.value), BASS_POS_BYTE) ' set the position
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tmrPlugins.Enabled = True
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End Sub
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Private Sub tmrPlugins_Timer()
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sldPosition.value = BASS_ChannelBytes2Seconds(chan, BASS_ChannelGetPosition(chan, BASS_POS_BYTE)) ' update position
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End Sub
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