www.pudn.com > WMACompressor.zip > Form1.vb
Imports Yeti.MMedia
Imports Yeti.MMedia.Wmf
Imports WaveLib
Public Class Form1
Inherits System.Windows.Forms.Form
Private m_Config As AudioWriterConfig
Private Compressing As Boolean
#Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
'This call is required by the Windows Form Designer.
InitializeComponent()
'Add any initialization after the InitializeComponent() call
End Sub
'Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
'Required by the Windows Form Designer
Private components As System.ComponentModel.IContainer
'NOTE: The following procedure is required by the Windows Form Designer
'It can be modified using the Windows Form Designer.
'Do not modify it using the code editor.
Friend WithEvents Label1 As System.Windows.Forms.Label
Friend WithEvents TextBoxInFile As System.Windows.Forms.TextBox
Friend WithEvents Label2 As System.Windows.Forms.Label
Friend WithEvents TextBoxOutFile As System.Windows.Forms.TextBox
Friend WithEvents ButtonInFile As System.Windows.Forms.Button
Friend WithEvents ButtonOutFile As System.Windows.Forms.Button
Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
Friend WithEvents ProgressBar As System.Windows.Forms.ProgressBar
Friend WithEvents ButtonConfig As System.Windows.Forms.Button
Friend WithEvents ButtonCompress As System.Windows.Forms.Button
Friend WithEvents OpenFileDialog1 As System.Windows.Forms.OpenFileDialog
Friend WithEvents SaveFileDialog1 As System.Windows.Forms.SaveFileDialog
Private Sub InitializeComponent()
Me.Label1 = New System.Windows.Forms.Label
Me.TextBoxInFile = New System.Windows.Forms.TextBox
Me.Label2 = New System.Windows.Forms.Label
Me.TextBoxOutFile = New System.Windows.Forms.TextBox
Me.ButtonInFile = New System.Windows.Forms.Button
Me.ButtonOutFile = New System.Windows.Forms.Button
Me.GroupBox1 = New System.Windows.Forms.GroupBox
Me.ProgressBar = New System.Windows.Forms.ProgressBar
Me.ButtonConfig = New System.Windows.Forms.Button
Me.ButtonCompress = New System.Windows.Forms.Button
Me.OpenFileDialog1 = New System.Windows.Forms.OpenFileDialog
Me.SaveFileDialog1 = New System.Windows.Forms.SaveFileDialog
Me.SuspendLayout()
'
'Label1
'
Me.Label1.Location = New System.Drawing.Point(8, 8)
Me.Label1.Name = "Label1"
Me.Label1.TabIndex = 0
Me.Label1.Text = "Wave file:"
'
'TextBoxInFile
'
Me.TextBoxInFile.Location = New System.Drawing.Point(8, 24)
Me.TextBoxInFile.Name = "TextBoxInFile"
Me.TextBoxInFile.ReadOnly = True
Me.TextBoxInFile.Size = New System.Drawing.Size(288, 20)
Me.TextBoxInFile.TabIndex = 1
Me.TextBoxInFile.Text = ""
'
'Label2
'
Me.Label2.Location = New System.Drawing.Point(8, 56)
Me.Label2.Name = "Label2"
Me.Label2.Size = New System.Drawing.Size(224, 23)
Me.Label2.TabIndex = 2
Me.Label2.Text = "Windows Media Audio (WMA) file (result):"
'
'TextBoxOutFile
'
Me.TextBoxOutFile.Location = New System.Drawing.Point(8, 72)
Me.TextBoxOutFile.Name = "TextBoxOutFile"
Me.TextBoxOutFile.ReadOnly = True
Me.TextBoxOutFile.Size = New System.Drawing.Size(288, 20)
Me.TextBoxOutFile.TabIndex = 3
Me.TextBoxOutFile.Text = ""
'
'ButtonInFile
'
Me.ButtonInFile.Location = New System.Drawing.Point(304, 24)
Me.ButtonInFile.Name = "ButtonInFile"
Me.ButtonInFile.TabIndex = 4
Me.ButtonInFile.Text = "Browse..."
'
'ButtonOutFile
'
Me.ButtonOutFile.Enabled = False
Me.ButtonOutFile.Location = New System.Drawing.Point(304, 72)
Me.ButtonOutFile.Name = "ButtonOutFile"
Me.ButtonOutFile.TabIndex = 5
Me.ButtonOutFile.Text = "Browse..."
'
'GroupBox1
'
Me.GroupBox1.Location = New System.Drawing.Point(8, 112)
Me.GroupBox1.Name = "GroupBox1"
Me.GroupBox1.Size = New System.Drawing.Size(368, 8)
Me.GroupBox1.TabIndex = 6
Me.GroupBox1.TabStop = False
'
'ProgressBar
'
Me.ProgressBar.Dock = System.Windows.Forms.DockStyle.Bottom
Me.ProgressBar.Location = New System.Drawing.Point(0, 167)
Me.ProgressBar.Name = "ProgressBar"
Me.ProgressBar.Size = New System.Drawing.Size(386, 16)
Me.ProgressBar.TabIndex = 7
'
'ButtonConfig
'
Me.ButtonConfig.Enabled = False
Me.ButtonConfig.Location = New System.Drawing.Point(216, 136)
Me.ButtonConfig.Name = "ButtonConfig"
Me.ButtonConfig.TabIndex = 8
Me.ButtonConfig.Text = "Config..."
'
'ButtonCompress
'
Me.ButtonCompress.Enabled = False
Me.ButtonCompress.Location = New System.Drawing.Point(304, 136)
Me.ButtonCompress.Name = "ButtonCompress"
Me.ButtonCompress.TabIndex = 9
Me.ButtonCompress.Text = "Compress"
'
'OpenFileDialog1
'
Me.OpenFileDialog1.DefaultExt = "wav"
Me.OpenFileDialog1.Filter = "Wave files (*.wav)|*.wav|All files (*.*)|*.*"""
Me.OpenFileDialog1.Title = "Wave file to compress"
'
'SaveFileDialog1
'
Me.SaveFileDialog1.DefaultExt = "wma"
Me.SaveFileDialog1.Filter = "Windows Media Audio files (*.wma)|*.wma|All files (*.*)|*.*"""
Me.SaveFileDialog1.Title = "Compressed file"
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(386, 183)
Me.Controls.Add(Me.ButtonCompress)
Me.Controls.Add(Me.ButtonConfig)
Me.Controls.Add(Me.ProgressBar)
Me.Controls.Add(Me.GroupBox1)
Me.Controls.Add(Me.ButtonOutFile)
Me.Controls.Add(Me.ButtonInFile)
Me.Controls.Add(Me.TextBoxOutFile)
Me.Controls.Add(Me.Label2)
Me.Controls.Add(Me.TextBoxInFile)
Me.Controls.Add(Me.Label1)
Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
Me.MaximizeBox = False
Me.Name = "Form1"
Me.Text = "WMA Compress"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub RefreshControls()
If (Compressing) Then
ButtonInFile.Enabled = False
ButtonOutFile.Enabled = False
ButtonConfig.Enabled = False
ButtonCompress.Enabled = False
Else
ButtonInFile.Enabled = True
ButtonOutFile.Enabled = True
ButtonConfig.Enabled = True
ButtonCompress.Enabled = True
End If
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Compressing = False
m_Config = New WmaWriterConfig(New WaveFormat(44100, 16, 2), WmaWriterProfileManager.AudioSystemProfiles(6))
End Sub
Private Sub ButtonInFile_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonInFile.Click
Dim s As WaveStream
Dim cfg As WmaWriterConfig
If OpenFileDialog1.ShowDialog(Me) = DialogResult.OK Then
Try
s = New WaveStream(OpenFileDialog1.FileName)
Try
cfg = New WmaWriterConfig(s.Format, CType(m_Config, WmaWriterConfig).Profile)
TextBoxInFile.Text = OpenFileDialog1.FileName
TextBoxOutFile.Text = System.IO.Path.ChangeExtension(TextBoxInFile.Text, ".wma")
m_Config = cfg
Finally
s.Close()
End Try
Catch
MessageBox.Show(Me, "Invalid wave file or format", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
TextBoxInFile.Text = ""
TextBoxOutFile.Text = ""
End Try
End If
End Sub
Private Sub ButtonOutFile_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonOutFile.Click
SaveFileDialog1.FileName = TextBoxOutFile.Text
If SaveFileDialog1.ShowDialog(Me) = DialogResult.OK Then
TextBoxOutFile.Text = SaveFileDialog1.FileName
End If
End Sub
Private Sub ButtonConfig_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonConfig.Click
Dim cfg As Config
cfg = New Config
cfg.EditWmaWriter1.Config = m_Config
If cfg.ShowDialog(Me) = DialogResult.OK Then
m_Config = cfg.EditWmaWriter1.Config
End If
End Sub
Private Sub ButtonCompress_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonCompress.Click
Dim InStr As WaveStream
Dim writer As AudioWriter
Dim buff() As Byte
Dim read As Integer
Dim actual As Integer
Dim total As Long
If System.IO.File.Exists(TextBoxOutFile.Text) Then
If MessageBox.Show(Me, "Override the existing file?", "File exists", MessageBoxButtons.YesNo, MessageBoxIcon.Question) <> DialogResult.Yes Then
Exit Sub
End If
End If
Try
ProgressBar.Value = 0
Me.Text = "Audio Compress"
Compressing = True
Try
RefreshControls()
InStr = New WaveStream(TextBoxInFile.Text)
Try
writer = New WmaWriter(New System.IO.FileStream(TextBoxOutFile.Text, IO.FileMode.Create), m_Config)
Try
buff = New Byte(writer.OptimalBufferSize - 1) {}
read = 0
actual = 0
total = InStr.Length
Cursor.Current = Cursors.WaitCursor
Try
read = InStr.Read(buff, 0, buff.Length)
While (read > 0)
Application.DoEvents()
writer.Write(buff, 0, read)
actual += read
ProgressBar.Value = (CLng(actual) * 100) / total
Me.Text = String.Format("Audio Compress - {0}% compresssed", ProgressBar.Value)
Application.DoEvents()
read = InStr.Read(buff, 0, buff.Length)
End While
Me.Text = "Audio Compress - Done"
Finally
Cursor.Current = Cursors.Default
End Try
Finally
writer.Close()
End Try
Finally
InStr.Close()
End Try
Finally
Compressing = False
RefreshControls()
End Try
Catch ex As Exception
MessageBox.Show(Me, ex.Message, "An exception has ocurred with the following message", MessageBoxButtons.OK, MessageBoxIcon.Error)
If IO.File.Exists(TextBoxOutFile.Text) Then
IO.File.Delete(TextBoxOutFile.Text)
End If
End Try
End Sub
Private Sub TextBoxInFile_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBoxInFile.TextChanged
If TextBoxInFile.Text <> "" Then
ButtonConfig.Enabled = True
ButtonOutFile.Enabled = True
ButtonCompress.Enabled = True
Else
ButtonCompress.Enabled = False
ButtonConfig.Enabled = False
ButtonOutFile.Enabled = False
End If
End Sub
Private Sub Form1_Closing(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles MyBase.Closing
e.Cancel = Compressing
End Sub
End Class