www.pudn.com > SoundDone.rar > SoundDone.cs
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
namespace cswavrec
{
///
/// Summary description for Form1.
///
public class MainForm : System.Windows.Forms.Form
{
///
/// Required designer variable.
///
private System.ComponentModel.Container components = null;
private System.Windows.Forms.Button StopButton;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button StartButton;
//设置 WAVE 文件格式
private WaveLib.WaveFormat wavefmt = new WaveLib.WaveFormat(44100, 16, 2);
//用于保存 WAVE 文件
private static System.IO.MemoryStream waveFile ;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.GroupBox groupBox2;
private System.Windows.Forms.Button button5;
private System.Windows.Forms.Button button4;
//暂存 WAVE 数据
private System.IO.MemoryStream waveStream ;
public MainForm()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
}
///
/// Clean up any resources being used.
///
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
///
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
///
private void InitializeComponent()
{
this.StartButton = new System.Windows.Forms.Button();
this.StopButton = new System.Windows.Forms.Button();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.groupBox2 = new System.Windows.Forms.GroupBox();
this.button5 = new System.Windows.Forms.Button();
this.button4 = new System.Windows.Forms.Button();
this.groupBox2.SuspendLayout();
this.SuspendLayout();
//
// StartButton
//
this.StartButton.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.StartButton.Location = new System.Drawing.Point(8, 16);
this.StartButton.Name = "StartButton";
this.StartButton.Size = new System.Drawing.Size(86, 23);
this.StartButton.TabIndex = 0;
this.StartButton.Text = "录音";
this.StartButton.Click += new System.EventHandler(this.StartButton_Click);
//
// StopButton
//
this.StopButton.Enabled = false;
this.StopButton.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.StopButton.Location = new System.Drawing.Point(104, 16);
this.StopButton.Name = "StopButton";
this.StopButton.Size = new System.Drawing.Size(86, 23);
this.StopButton.TabIndex = 1;
this.StopButton.Text = "停止";
this.StopButton.Click += new System.EventHandler(this.StopButton_Click);
//
// button1
//
this.button1.Enabled = false;
this.button1.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.button1.Location = new System.Drawing.Point(72, 56);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(56, 23);
this.button1.TabIndex = 2;
this.button1.Text = "试听";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Enabled = false;
this.button2.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.button2.Location = new System.Drawing.Point(8, 56);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(56, 23);
this.button2.TabIndex = 3;
this.button2.Text = "保存";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.button3.Location = new System.Drawing.Point(216, 8);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(88, 23);
this.button3.TabIndex = 4;
this.button3.Text = "播放";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// groupBox2
//
this.groupBox2.Controls.Add(this.button4);
this.groupBox2.Controls.Add(this.button2);
this.groupBox2.Controls.Add(this.button1);
this.groupBox2.Controls.Add(this.StopButton);
this.groupBox2.Controls.Add(this.StartButton);
this.groupBox2.Location = new System.Drawing.Point(8, 0);
this.groupBox2.Name = "groupBox2";
this.groupBox2.Size = new System.Drawing.Size(200, 88);
this.groupBox2.TabIndex = 7;
this.groupBox2.TabStop = false;
//
// button5
//
this.button5.Enabled = false;
this.button5.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.button5.Location = new System.Drawing.Point(216, 48);
this.button5.Name = "button5";
this.button5.Size = new System.Drawing.Size(88, 23);
this.button5.TabIndex = 8;
this.button5.Text = "结束";
this.button5.Click += new System.EventHandler(this.button5_Click);
//
// button4
//
this.button4.Enabled = false;
this.button4.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.button4.Location = new System.Drawing.Point(136, 56);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(56, 23);
this.button4.TabIndex = 4;
this.button4.Text = "停试";
this.button4.Click += new System.EventHandler(this.button4_Click_1);
//
// MainForm
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(314, 95);
this.Controls.Add(this.button5);
this.Controls.Add(this.groupBox2);
this.Controls.Add(this.button3);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
this.MaximizeBox = false;
this.MinimizeBox = false;
this.Name = "MainForm";
this.Text = "录音机";
this.Closing += new System.ComponentModel.CancelEventHandler(this.MainForm_Closing);
this.groupBox2.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
///
/// The main entry point for the application.
///
[STAThread]
static void Main()
{
Application.Run(new MainForm());
}
private void State(string state)
{
this.Text= "录音机-"+state ;
}
///
/// 音频输出
///
private WaveLib.WaveOutPlayer m_Player;
///
/// 音频输入
///
private WaveLib.WaveInRecorder m_Recorder;
///
/// 音频流, 当前不用
///
private WaveLib.FifoStream m_Fifo = new WaveLib.FifoStream();
///
/// 输出音频的缓冲区
///
private byte[] m_PlayBuffer;
///
/// 输入音频的缓冲区
///
private byte[] m_RecBuffer;
///
/// 从指定的音频数据区，取得指定大小的数据保存到音频流中,播音时使用
///
/// 非托管音频数据区的指针
/// 要取得的音频数据的大小
private void Filler(IntPtr data, int size)
{
m_PlayBuffer = new byte[size];
this.waveStream.Read(m_PlayBuffer, 0, size);
System.Runtime.InteropServices.Marshal.Copy(this.m_PlayBuffer,0,data,size) ;
if(this.waveStream.Position >= this.waveStream.Length)
{
this.State("完毕") ;
//this.Stop() ;
}
}
///
/// 从指定的音频数据区，取得指定大小的数据保存到音频流中,录音时使用
///
/// 非托管音频数据区的指针
/// 要取得的音频数据的大小
private void DataArrived(IntPtr data, int size)
{
//if (m_RecBuffer == null || m_RecBuffer.Length < size)
m_RecBuffer = new byte[size];
System.Runtime.InteropServices.Marshal.Copy(data, m_RecBuffer, 0, size);
//m_Fifo.Write(m_RecBuffer, 0, m_RecBuffer.Length);
this.waveStream.Write(this.m_RecBuffer, 0, this.m_RecBuffer.Length) ;
}
///
/// 停止播音
///
private void Stop()
{
if (m_Player != null)
try
{
m_Player.Dispose();
}
finally
{
m_Player = null;
}
if (m_Recorder != null)
try
{
m_Recorder.Dispose();
}
finally
{
m_Recorder = null;
}
m_Fifo.Flush(); // clear all pending data
}
///
/// 开始播音
///
private void Start()
{
Stop();
this.waveStream= new System.IO.MemoryStream() ;
try
{
//开始录制
//用指定的设备、格式、缓冲区大小、缓冲区个数和缓冲区满时事件
m_Recorder = new WaveLib.WaveInRecorder(-1, this.wavefmt, 16384, 3, new WaveLib.BufferDoneEventHandler(DataArrived));
}
catch
{
Stop();
throw;
}
}
private void MainForm_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
Stop();
}
private void StartButton_Click(object sender, System.EventArgs e)
{
this.State("录音中...") ;
this.button1.Enabled= false ;
this.button2.Enabled= false ;
this.button3.Enabled= false ;
this.StopButton.Enabled= true ;
Start();
}
private void StopButton_Click(object sender, System.EventArgs e)
{
this.State("停止录音") ;
this.button1.Enabled= true ;
this.button2.Enabled= true ;
this.button3.Enabled= true ;
Stop();
this.SaveHandle() ;
}
///
/// 保存 WAVE Chunk
///
private void SaveHandle()
{
System.IO.BinaryWriter s= new System.IO.BinaryWriter(waveFile= new System.IO.MemoryStream()) ;
byte[] hd= new byte[4] ;
//RIFF WAVE Chunk
//ID
//System.Text.Encoding.ASCII.GetBytes("RIFF",0,4,hd,0) ;
s.Write(new char[]{'R','I','F','F'}) ;
//Size
s.Write(new byte[4]) ;
//Type
//System.Text.Encoding.ASCII.GetBytes("WAVE",0,4,hd,0) ;
s.Write(new char[]{'W','A','V','E'}) ;
//Format Chunk
//ID
//System.Text.Encoding.ASCII.GetBytes("fmt ",0,4,hd,0) ;
s.Write(new char[]{'f','m','t',' '}) ;
//Size
s.Write(16) ;
//FormatTag
s.Write((short)1) ;
//Channels
s.Write((short)2) ;
//SamplesPerSec
s.Write(this.wavefmt.nSamplesPerSec) ;
//AvgBytesPerSec
s.Write(this.wavefmt.nAvgBytesPerSec) ;
//BlockAlign
s.Write(this.wavefmt.nBlockAlign) ;
//BitsPerSample
s.Write(this.wavefmt.wBitsPerSample) ;
//Data Chunk
//ID
s.Write(new char[]{'d','a','t','a'}) ;
//Size
s.Write((int)(this.waveStream.Length)) ;
byte[] buf= new byte[this.waveStream.Length] ;
this.waveStream.Seek(0,System.IO.SeekOrigin.Begin) ;
this.waveStream.Read(buf, 0, buf.Length) ;
s.Write(buf,0, buf.Length) ;
//waveData.Close() ;
}
private void button1_Click(object sender, System.EventArgs e)
{
this.State("试听中...") ;
this.StopButton.Enabled= false ;
this.StartButton.Enabled= false ;
this.button1.Enabled= false ;
this.button4.Enabled= true ;
this.waveStream.Seek(0,System.IO.SeekOrigin.Begin) ;
//开始播放
//用指定的设备、格式、缓冲区大小、缓冲区个数和缓冲区满时事件
m_Player = new WaveLib.WaveOutPlayer(-1, this.wavefmt, 16384, 3, new WaveLib.BufferFillEventHandler(Filler));
}
private void button2_Click(object sender, System.EventArgs e)
{
SaveFileDialog sfDilg= new SaveFileDialog() ;
sfDilg.Filter= "*.wav|" ;
//sfDilg.AddExtension= true ;
sfDilg.DefaultExt= ".wav" ;
if(sfDilg.ShowDialog() == DialogResult.OK)
{
System.IO.Stream file= System.IO.File.Create(sfDilg.FileName) ;
byte[] data= new byte[waveFile.Length] ;
waveFile.Seek(0,System.IO.SeekOrigin.Begin) ;
waveFile.Read(data, 0, data.Length) ;
file.Write(data, 0, data.Length) ;
}
}
private void button4_Click(object sender, System.EventArgs e)
{
this.Stop() ;
this.Close() ;
}
private void button3_Click(object sender, System.EventArgs e)
{
OpenFileDialog ofDilg= new OpenFileDialog() ;
ofDilg.Filter= "*.wav|" ;
if(ofDilg.ShowDialog() == DialogResult.OK)
{
this.StartButton.Enabled= false ;
this.button5.Enabled= true ;
this.button3.Enabled= false ;
WaveLib.WaveStream waveS= new WaveLib.WaveStream(ofDilg.FileName) ;
byte[] data= new byte[waveS.Length] ;
waveS.Seek(0,System.IO.SeekOrigin.Begin) ;
waveS.Read(data,0, data.Length) ;
this.waveStream= new System.IO.MemoryStream() ;
this.waveStream.Write(data,0, data.Length) ;
this.waveStream.Seek(0,System.IO.SeekOrigin.Begin) ;
this.State(ofDilg.FileName.Substring(ofDilg.FileName.LastIndexOf('\\'))+"-播放中...") ;
this.m_Player= new WaveLib.WaveOutPlayer(-1, this.wavefmt, 16384, 3, new WaveLib.BufferFillEventHandler(Filler)) ;
}
}
private void button5_Click(object sender, System.EventArgs e)
{
this.StartButton.Enabled= true ;
this.button3.Enabled= true ;
this.button5.Enabled= false ;
this.State("结束") ;
this.m_Player.Dispose() ;
}
private void button4_Click_1(object sender, System.EventArgs e)
{
this.m_Player.Dispose() ;
this.StartButton.Enabled= true ;
this.button4.Enabled= false ;
}
}
}