mciSendString function (Windows) :
http://msdn.microsoft.com/en-us/library/windows/desktop/dd757161(v=vs.85).aspx
C#中DirectSound錄音的使用:
MP3基本介紹與LAME設定 :
http://cgclub.blog.hexun.com.tw/60766146_d.html
轉檔程式: WAV to MP3 converter in C#.NET (43883-04010-WAV-MP3-converter-C.NET.rar)
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Diagnostics;using System.IO;using System.Threading;namespace WavToMP3{public partial class MainForm : Form
{ public MainForm() {InitializeComponent();
}
private void BrowseButton_Click(object sender, EventArgs e)
{ if (OpenWavFilesDialog.ShowDialog() == DialogResult.OK) { TotalFiles.Text = "Total Files = "+OpenWavFilesDialog.FileNames.Length.ToString();}
}
private void SaveAsButton_Click(object sender, EventArgs e)
{ if (SaveMP3FolderBrowserDialog.ShowDialog() == DialogResult.OK) { SaveFilesPath.Text=SaveMP3FolderBrowserDialog.SelectedPath.ToString();
}
}
private void ConvertButton_Click(object sender, EventArgs e)
{if (OpenWavFilesDialog.FileNames.Length > 0 && SaveMP3FolderBrowserDialog.SelectedPath != "")
{ progressBar1.Visible = true; BrowseButton.Enabled = false; SaveAsButton.Enabled = false; BitrateComboBox.Enabled = false; SamplingrateComboBox.Enabled = false; ConvertButton.Enabled = false; try {progressBar1.Maximum = OpenWavFilesDialog.FileNames.Length;
foreach (string fn in OpenWavFilesDialog.FileNames)
{ ProcessStartInfo psi = new ProcessStartInfo(); psi.UseShellExecute = false; psi.CreateNoWindow = true;psi.WindowStyle = ProcessWindowStyle.Hidden;
psi.FileName = Application.StartupPath + @"\lame.exe";psi.Arguments = "-b" + BitrateComboBox.SelectedItem.ToString() + " --resample " + SamplingrateComboBox.SelectedItem.ToString() + " -m j " +
"\"" + fn + "\"" + " " +
"\"" + SaveFilesPath.Text + "\\" + Path.GetFileNameWithoutExtension(fn)+".mp3" + "\"";
Process p = Process.Start(psi);
p.Close();
p.Dispose();
progressBar1.Value = progressBar1.Value + 1;
Thread.Sleep(1000);
if (progressBar1.Value == progressBar1.Maximum) {MessageBox.Show(OpenWavFilesDialog.FileNames.Length + " File(s) Convertd Successfully", "Success");
progressBar1.Visible = false;progressBar1.Value = 0;
TotalFiles.Clear();
BrowseButton.Enabled = true;SaveFilesPath.Clear();
SaveAsButton.Enabled = true; BitrateComboBox.Enabled = true; SamplingrateComboBox.Enabled = true; ConvertButton.Enabled = true;OpenWavFilesDialog.Reset();
SaveMP3FolderBrowserDialog.Reset();
}
}
}
catch (Exception ex) {MessageBox.Show(ex.ToString());
}
}
else { }
}
private void MainForm_Load(object sender, EventArgs e)
{BitrateComboBox.SelectedIndex = 8;
SamplingrateComboBox.SelectedIndex = 1;
}
private void BitrateComboBox_SelectedIndexChanged(object sender, EventArgs e)
{}
}
}
namespace WavToMP3{partial class MainForm
{ /// <summary> /// Required designer variable. /// </summary>private System.ComponentModel.IContainer components = null;
/// <summary> /// Clean up any resources being used. /// </summary> /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>protected override void Dispose(bool disposing)
{if (disposing && (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.TotalFiles = new System.Windows.Forms.TextBox();
this.SaveFilesPath = new System.Windows.Forms.TextBox();
this.BrowseButton = new System.Windows.Forms.Button();
this.SaveAsButton = new System.Windows.Forms.Button();
this.ConvertButton = new System.Windows.Forms.Button();
this.OpenWavFilesDialog = new System.Windows.Forms.OpenFileDialog();
this.SaveMP3FolderBrowserDialog = new System.Windows.Forms.FolderBrowserDialog();
this.BitrateComboBox = new System.Windows.Forms.ComboBox();
this.SamplingrateComboBox = new System.Windows.Forms.ComboBox();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.progressBar1 = new System.Windows.Forms.ProgressBar();
this.SuspendLayout(); // // TotalFiles // this.TotalFiles.Enabled = false;
this.TotalFiles.Location = new System.Drawing.Point(12, 11);
this.TotalFiles.Name = "TotalFiles";
this.TotalFiles.ReadOnly = true;
this.TotalFiles.Size = new System.Drawing.Size(720, 22);
this.TotalFiles.TabIndex = 0; // // SaveFilesPath // this.SaveFilesPath.Enabled = false;
this.SaveFilesPath.Location = new System.Drawing.Point(12, 54);
this.SaveFilesPath.Name = "SaveFilesPath";
this.SaveFilesPath.ReadOnly = true;
this.SaveFilesPath.Size = new System.Drawing.Size(720, 22);
this.SaveFilesPath.TabIndex = 1; // // BrowseButton // this.BrowseButton.Location = new System.Drawing.Point(747, 9);
this.BrowseButton.Name = "BrowseButton";
this.BrowseButton.Size = new System.Drawing.Size(75, 21);
this.BrowseButton.TabIndex = 2;this.BrowseButton.Text = "Browse";
this.BrowseButton.UseVisualStyleBackColor = true;
this.BrowseButton.Click += new System.EventHandler(this.BrowseButton_Click);
// // SaveAsButton // this.SaveAsButton.Location = new System.Drawing.Point(747, 52);
this.SaveAsButton.Name = "SaveAsButton";
this.SaveAsButton.Size = new System.Drawing.Size(75, 21);
this.SaveAsButton.TabIndex = 3;this.SaveAsButton.Text = "Save";
this.SaveAsButton.UseVisualStyleBackColor = true;
this.SaveAsButton.Click += new System.EventHandler(this.SaveAsButton_Click);
// // ConvertButton // this.ConvertButton.Location = new System.Drawing.Point(747, 92);
this.ConvertButton.Name = "ConvertButton";
this.ConvertButton.Size = new System.Drawing.Size(75, 21);
this.ConvertButton.TabIndex = 4;this.ConvertButton.Text = "Convert";
this.ConvertButton.UseVisualStyleBackColor = true;
this.ConvertButton.Click += new System.EventHandler(this.ConvertButton_Click);
// // OpenWavFilesDialog // this.OpenWavFilesDialog.Filter = "WAV Files|*.wav";
this.OpenWavFilesDialog.Multiselect = true;
// // BitrateComboBox // this.BitrateComboBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;this.BitrateComboBox.FormattingEnabled = true;
this.BitrateComboBox.Items.AddRange(new object[] {
"32", "40", "48", "56", "64", "80", "96", "112", "128", "144", "160"});this.BitrateComboBox.Location = new System.Drawing.Point(168, 94);
this.BitrateComboBox.Name = "BitrateComboBox";
this.BitrateComboBox.Size = new System.Drawing.Size(121, 20);
this.BitrateComboBox.TabIndex = 5;this.BitrateComboBox.SelectedIndexChanged += new System.EventHandler(this.BitrateComboBox_SelectedIndexChanged);
// // SamplingrateComboBox // this.SamplingrateComboBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;this.SamplingrateComboBox.FormattingEnabled = true;
this.SamplingrateComboBox.Items.AddRange(new object[] {
"16", "22.05", "24"});this.SamplingrateComboBox.Location = new System.Drawing.Point(480, 94);
this.SamplingrateComboBox.Name = "SamplingrateComboBox";
this.SamplingrateComboBox.Size = new System.Drawing.Size(121, 20);
this.SamplingrateComboBox.TabIndex = 6; // // label1 // this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(92, 97);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(71, 12);
this.label1.TabIndex = 7;this.label1.Text = "Bitrate (Kbps)";
// // label2 // this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(369, 97);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(105, 12);
this.label2.TabIndex = 8;this.label2.Text = "Sampling Rate (KHz)";
// // progressBar1 // this.progressBar1.Location = new System.Drawing.Point(12, 31);
this.progressBar1.Name = "progressBar1";
this.progressBar1.Size = new System.Drawing.Size(720, 21);
this.progressBar1.TabIndex = 9;this.progressBar1.Visible = false;
// // MainForm // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;this.ClientSize = new System.Drawing.Size(834, 122);
this.Controls.Add(this.progressBar1);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.SamplingrateComboBox);
this.Controls.Add(this.BitrateComboBox);
this.Controls.Add(this.ConvertButton);
this.Controls.Add(this.SaveAsButton);
this.Controls.Add(this.BrowseButton);
this.Controls.Add(this.SaveFilesPath);
this.Controls.Add(this.TotalFiles);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Fixed3D;this.MaximizeBox = false;
this.Name = "MainForm";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;this.Text = "Wav To MP3";
this.Load += new System.EventHandler(this.MainForm_Load);
this.ResumeLayout(false);
this.PerformLayout();}
#endregion private System.Windows.Forms.TextBox TotalFiles; private System.Windows.Forms.TextBox SaveFilesPath; private System.Windows.Forms.Button BrowseButton; private System.Windows.Forms.Button SaveAsButton; private System.Windows.Forms.Button ConvertButton; private System.Windows.Forms.OpenFileDialog OpenWavFilesDialog; private System.Windows.Forms.FolderBrowserDialog SaveMP3FolderBrowserDialog; private System.Windows.Forms.ComboBox BitrateComboBox; private System.Windows.Forms.ComboBox SamplingrateComboBox; private System.Windows.Forms.Label label1; private System.Windows.Forms.Label label2; private System.Windows.Forms.ProgressBar progressBar1;}
}
錄音程式: WinFormsRecord.zip
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using Microsoft.VisualBasic.Devices;using Microsoft.VisualBasic;using System.Runtime.InteropServices;namespace WinFormsRecord{public partial class Form1 : Form
{[DllImport("winmm.dll", EntryPoint = "mciSendStringA", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
//[DllImport("winmm.dll", EntryPoint = "mciSendStringW", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]private static extern int mciSendString(string lpstrCommand, string lpstrReturnString, int uReturnLength, int hwndCallback);
public Form1() {InitializeComponent();
}
private void btnRecord_Click(object sender, EventArgs e)
{ // record from microphonemciSendString("open new Type waveaudio Alias recsound", "", 0, 0);
mciSendString("record recsound", "", 0, 0);
}
private void btnSaveStop_Click(object sender, EventArgs e)
{ // stop and savemciSendString("save recsound D:\\record.wav", "", 0, 0);
mciSendString("close recsound ", "", 0, 0);
Computer c = new Computer();c.Audio.Stop();}
private void btnRead_Click(object sender, EventArgs e)
{ Computer computer = new Computer(); computer.Audio.Play("D:\\record.wav", AudioPlayMode.Background);}
}
}
MainForm.Designer.cs
namespace WinFormsRecord{partial class Form1
{ /// <summary> /// 設計工具所需的變數。 /// </summary>private System.ComponentModel.IContainer components = null;
/// <summary> /// 清除任何使用中的資源。 /// </summary> /// <param name="disposing">如果應該處置 Managed 資源則為 true，否則為 false。</param>protected override void Dispose(bool disposing)
{if (disposing && (components != null))
{components.Dispose();
}
base.Dispose(disposing);}
#region Windows Form 設計工具產生的程式碼 /// <summary> /// 此為設計工具支援所需的方法 - 請勿使用程式碼編輯器修改這個方法的內容。 /// /// </summary>private void InitializeComponent()
{this.btnRecord = new System.Windows.Forms.Button();
this.btnSaveStop = new System.Windows.Forms.Button();
this.btnRead = new System.Windows.Forms.Button();
this.SuspendLayout(); // // btnRecord // this.btnRecord.Location = new System.Drawing.Point(13, 13);
this.btnRecord.Name = "btnRecord";
this.btnRecord.Size = new System.Drawing.Size(75, 23);
this.btnRecord.TabIndex = 0;this.btnRecord.Text = "Record";
this.btnRecord.UseVisualStyleBackColor = true;
this.btnRecord.Click += new System.EventHandler(this.btnRecord_Click);
// // btnSaveStop // this.btnSaveStop.Location = new System.Drawing.Point(95, 13);
this.btnSaveStop.Name = "btnSaveStop";
this.btnSaveStop.Size = new System.Drawing.Size(75, 23);
this.btnSaveStop.TabIndex = 1;this.btnSaveStop.Text = "SaveStop";
this.btnSaveStop.UseVisualStyleBackColor = true;
this.btnSaveStop.Click += new System.EventHandler(this.btnSaveStop_Click);
// // btnRead // this.btnRead.Location = new System.Drawing.Point(177, 13);
this.btnRead.Name = "btnRead";
this.btnRead.Size = new System.Drawing.Size(75, 23);
this.btnRead.TabIndex = 2;this.btnRead.Text = "Read";
this.btnRead.UseVisualStyleBackColor = true;
this.btnRead.Click += new System.EventHandler(this.btnRead_Click);
// // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;this.ClientSize = new System.Drawing.Size(268, 58);
this.Controls.Add(this.btnRead);
this.Controls.Add(this.btnSaveStop);
this.Controls.Add(this.btnRecord);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
}
#endregion private System.Windows.Forms.Button btnRecord; private System.Windows.Forms.Button btnSaveStop; private System.Windows.Forms.Button btnRead;}
}
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