实例介绍
【实例简介】
mp3转wav
【实例截图】
【核心代码】
//
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
// PURPOSE. IT CAN BE DISTRIBUTED FREE OF CHARGE AS LONG AS THIS HEADER
// REMAINS UNCHANGED.
// SEE http://www.mp3dev.org/ FOR TECHNICAL AND COPYRIGHT INFORMATION REGARDING
// LAME PROJECT.
//
// Email: yetiicb@hotmail.com
//
// Copyright (C) 2002-2003 Idael Cardoso.
//
//
// About Thomson and/or Fraunhofer patents:
// Any use of this product does not convey a license under the relevant
// intellectual property of Thomson and/or Fraunhofer Gesellschaft nor imply
// any right to use this product in any finished end user or ready-to-use final
// product. An independent license for such use is required.
// For details, please visit http://www.mp3licensing.com.
//
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using Yeti.MMedia;
using Yeti.MMedia.Mp3;
using WaveLib;
namespace AudioCompress
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBoxInFile;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox textBoxOutFile;
private System.Windows.Forms.Button buttonInFile;
private System.Windows.Forms.Button buttonOutFile;
private System.Windows.Forms.OpenFileDialog openFileDialog1;
private System.Windows.Forms.SaveFileDialog saveFileDialog1;
private System.Windows.Forms.Button buttonConfig;
private System.Windows.Forms.Button buttonCompress;
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.ToolTip toolTip1;
private System.Windows.Forms.MainMenu mainMenu1;
private System.Windows.Forms.MenuItem menuItem1;
private System.Windows.Forms.ProgressBar progressBar;
private System.ComponentModel.IContainer components;
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.label1 = new System.Windows.Forms.Label();
this.textBoxInFile = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.textBoxOutFile = new System.Windows.Forms.TextBox();
this.buttonInFile = new System.Windows.Forms.Button();
this.buttonOutFile = new System.Windows.Forms.Button();
this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();
this.buttonConfig = new System.Windows.Forms.Button();
this.buttonCompress = new System.Windows.Forms.Button();
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
this.mainMenu1 = new System.Windows.Forms.MainMenu(this.components);
this.menuItem1 = new System.Windows.Forms.MenuItem();
this.progressBar = new System.Windows.Forms.ProgressBar();
this.SuspendLayout();
//
// label1
//
this.label1.Location = new System.Drawing.Point(10, 0);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(120, 17);
this.label1.TabIndex = 0;
this.label1.Text = "Wave file:";
//
// textBoxInFile
//
this.textBoxInFile.Location = new System.Drawing.Point(10, 17);
this.textBoxInFile.Name = "textBoxInFile";
this.textBoxInFile.ReadOnly = true;
this.textBoxInFile.Size = new System.Drawing.Size(307, 21);
this.textBoxInFile.TabIndex = 1;
this.toolTip1.SetToolTip(this.textBoxInFile, "Input file");
this.textBoxInFile.TextChanged = new System.EventHandler(this.textBoxInFile_TextChanged);
//
// label2
//
this.label2.Location = new System.Drawing.Point(10, 43);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(120, 17);
this.label2.TabIndex = 2;
this.label2.Text = "Compressed file:";
//
// textBoxOutFile
//
this.textBoxOutFile.Enabled = false;
this.textBoxOutFile.Location = new System.Drawing.Point(10, 60);
this.textBoxOutFile.Name = "textBoxOutFile";
this.textBoxOutFile.ReadOnly = true;
this.textBoxOutFile.Size = new System.Drawing.Size(307, 21);
this.textBoxOutFile.TabIndex = 3;
this.toolTip1.SetToolTip(this.textBoxOutFile, "Output file");
//
// buttonInFile
//
this.buttonInFile.Location = new System.Drawing.Point(326, 17);
this.buttonInFile.Name = "buttonInFile";
this.buttonInFile.Size = new System.Drawing.Size(90, 25);
this.buttonInFile.TabIndex = 4;
this.buttonInFile.Text = "Browse...";
this.toolTip1.SetToolTip(this.buttonInFile, "Select the input wave file");
this.buttonInFile.Click = new System.EventHandler(this.buttonInFile_Click);
//
// buttonOutFile
//
this.buttonOutFile.Enabled = false;
this.buttonOutFile.Location = new System.Drawing.Point(326, 60);
this.buttonOutFile.Name = "buttonOutFile";
this.buttonOutFile.Size = new System.Drawing.Size(90, 25);
this.buttonOutFile.TabIndex = 5;
this.buttonOutFile.Text = "Browse...";
this.toolTip1.SetToolTip(this.buttonOutFile, "Change the output file name or location");
this.buttonOutFile.Click = new System.EventHandler(this.buttonOutFile_Click);
//
// openFileDialog1
//
this.openFileDialog1.DefaultExt = "wav";
this.openFileDialog1.Filter = "Wave files (*.wav)|*.wav|All files (*.*)|*.*\"";
this.openFileDialog1.Title = "Wave file to compress";
//
// saveFileDialog1
//
this.saveFileDialog1.DefaultExt = "mp3";
this.saveFileDialog1.Filter = "MP3 files (*.mp3)|*.mp3|All files (*.*)|*.*\"";
this.saveFileDialog1.Title = "Compressed file";
//
// buttonConfig
//
this.buttonConfig.Enabled = false;
this.buttonConfig.Location = new System.Drawing.Point(221, 121);
this.buttonConfig.Name = "buttonConfig";
this.buttonConfig.Size = new System.Drawing.Size(90, 24);
this.buttonConfig.TabIndex = 6;
this.buttonConfig.Text = "Config...";
this.toolTip1.SetToolTip(this.buttonConfig, "Configure the compressor");
this.buttonConfig.Click = new System.EventHandler(this.buttonConfig_Click);
//
// buttonCompress
//
this.buttonCompress.Enabled = false;
this.buttonCompress.Location = new System.Drawing.Point(326, 121);
this.buttonCompress.Name = "buttonCompress";
this.buttonCompress.Size = new System.Drawing.Size(90, 24);
this.buttonCompress.TabIndex = 7;
this.buttonCompress.Text = "Compress";
this.toolTip1.SetToolTip(this.buttonCompress, "Convert the wave file to the selected format");
this.buttonCompress.Click = new System.EventHandler(this.buttonCompress_Click);
//
// groupBox1
//
this.groupBox1.Location = new System.Drawing.Point(10, 103);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(403, 9);
this.groupBox1.TabIndex = 8;
this.groupBox1.TabStop = false;
//
// mainMenu1
//
this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem1});
//
// menuItem1
//
this.menuItem1.Index = 0;
this.menuItem1.Text = "About...";
this.menuItem1.Click = new System.EventHandler(this.menuItem1_Click);
//
// progressBar
//
this.progressBar.Dock = System.Windows.Forms.DockStyle.Bottom;
this.progressBar.Location = new System.Drawing.Point(0, 167);
this.progressBar.Name = "progressBar";
this.progressBar.Size = new System.Drawing.Size(447, 17);
this.progressBar.TabIndex = 9;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(447, 184);
this.Controls.Add(this.progressBar);
this.Controls.Add(this.groupBox1);
this.Controls.Add(this.buttonCompress);
this.Controls.Add(this.buttonConfig);
this.Controls.Add(this.buttonOutFile);
this.Controls.Add(this.buttonInFile);
this.Controls.Add(this.textBoxOutFile);
this.Controls.Add(this.label2);
this.Controls.Add(this.textBoxInFile);
this.Controls.Add(this.label1);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
this.MaximizeBox = false;
this.Menu = this.mainMenu1;
this.Name = "Form1";
this.Text = "Audio Compress";
this.Load = new System.EventHandler(this.Form1_Load);
this.Closing = new System.ComponentModel.CancelEventHandler(this.Form1_Closing);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private Mp3WriterConfig m_Config = null;
private void buttonInFile_Click(object sender, System.EventArgs e)
{
if ( openFileDialog1.ShowDialog(this) == DialogResult.OK )
{
try
{
WaveStream s = new WaveStream(openFileDialog1.FileName);
try
{
m_Config = new Mp3WriterConfig(s.Format);
textBoxInFile.Text = openFileDialog1.FileName;
textBoxOutFile.Text = System.IO.Path.ChangeExtension(textBoxInFile.Text, ".mp3");
}
finally
{
s.Close();
}
}
catch
{
MessageBox.Show(this, "Invalid wave file or format", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
textBoxInFile.Text = "";
textBoxOutFile.Text = "";
}
}
}
private void textBoxInFile_TextChanged(object sender, System.EventArgs e)
{
if ( textBoxInFile.Text != "" )
{
buttonCompress.Enabled = buttonConfig.Enabled = buttonOutFile.Enabled = true;
}
else
{
buttonCompress.Enabled = buttonConfig.Enabled = buttonOutFile.Enabled = false;
}
}
private void buttonOutFile_Click(object sender, System.EventArgs e)
{
saveFileDialog1.FileName = textBoxOutFile.Text;
if (saveFileDialog1.ShowDialog(this) == DialogResult.OK)
{
textBoxOutFile.Text = saveFileDialog1.FileName;
}
}
private void buttonConfig_Click(object sender, System.EventArgs e)
{
Config cfg = new Config();
cfg.Mp3Config = m_Config;
if ( cfg.ShowDialog(this) == DialogResult.OK )
{
m_Config = cfg.Mp3Config;
}
}
private bool Compressing = false;
private void RefreshControls()
{
if (Compressing)
{
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;
}
}
private void buttonCompress_Click(object sender, System.EventArgs e)
{
if ( File.Exists(textBoxOutFile.Text) && (MessageBox.Show(this, "Override the existing file?", "File exists", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes) )
{
return;
}
try
{
progressBar.Value = 0;
toolTip1.SetToolTip(progressBar, "");
this.Text = "Audio Compress";
Compressing = true;
try
{
RefreshControls();
WaveStream InStr = new WaveStream(textBoxInFile.Text);
try
{
Mp3Writer writer = new Mp3Writer(new FileStream(textBoxOutFile.Text, FileMode.Create), m_Config);
try
{
byte[] buff = new byte[writer.OptimalBufferSize];
int read = 0;
int actual = 0;
long total = InStr.Length;
Cursor.Current = Cursors.WaitCursor;
try
{
while ( (read = InStr.Read(buff, 0, buff.Length)) > 0 )
{
Application.DoEvents();
writer.Write(buff, 0, read);
actual = read;
progressBar.Value = (int)(((long)actual*100)/total);
toolTip1.SetToolTip(progressBar, string.Format("{0}% compresssed", progressBar.Value));
this.Text = string.Format("Audio Compress - {0}% compresssed", progressBar.Value);
Application.DoEvents();
}
toolTip1.SetToolTip(progressBar, "Done");
this.Text = "Audio Compress - Done";
}
finally
{
Cursor.Current = Cursors.Default;
}
}
finally
{
writer.Close();
}
}
finally
{
InStr.Close();
}
}
finally
{
Compressing = false;
RefreshControls();
}
}
catch(Exception ex)
{
MessageBox.Show(this, ex.Message, "An exception has ocurred with the following message", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void Form1_Load(object sender, System.EventArgs e)
{
RefreshControls();
}
private void menuItem1_Click(object sender, System.EventArgs e)
{
About dlg = new About();
dlg.ShowDialog(this);
}
private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
e.Cancel = Compressing;
}
}
}
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