PCM相互转换WAV

文章路径http://blog.csdn.net/chenluliang/article/details/74943130

///////////////////////////////////////////////////////////////////////////////
//
// Aumpel -- Primary interface to aumplib
//
// This class abstracts the other participant classes so that a single
// set of methods can be used to convert one sound file type to another.
//
// NOTE: Usage of the overload of the Convert（） method in this class that 
// matches the parameters
// 
// 		Convert（
// 			string inputFile 
// 			string outputFile 
// 			soundFormat convertTo 
// 			MadlldlibWrapper.Callback updateStatus
// 			）
//
// may infringe rights of the GPL license that is required on the 
// MadlldlibWrapper class if used in a closed source project. See the readme.txt
// file in this distribution for details.
//
///////////////////////////////////////////////////////////////////////////////
//
// Copyright （C） 2004 J. A. Robson http://www.arbingersys.com
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License or （at your option） any later version.
// 
// This library is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not write to the Free Software
// Foundation Inc. 59 Temple Place Suite 330 Boston MA 02111-1307 USA
//
///////////////////////////////////////////////////////////////////////////////




namespace Arbingersys.Audio.Aumplib 
{

	
	using System;
	using System.IO;
	using System.Text;
	using System.Runtime.InteropServices;

	// alias; see SF_INFO struct:

	using sf_count_t = System.Int64;	

	
#if PLATFORM_64
	using size_t = System.UInt64;
#else
	using size_t = System.UInt32;
#endif

	
	class Aumpel
	{

		
		// Convert to short pathnames
		// （madlldlib）

		[DllImport（“kernel32.dll“ SetLastError=true CharSet=CharSet.Auto）]
		[return:MarshalAs（UnmanagedType.U4）]
		public static extern int 
		GetShortPathName（
			[MarshalAs（UnmanagedType.LPTStr）] 
			string inputFilePath
			[MarshalAs（UnmanagedType.LPTStr）] 
			StringBuilder outputFilePath
			[MarshalAs（UnmanagedType.U4）] 
			int bufferSize）;
		

		
		// Delegate for callback 

		public delegate void 
		Reporter（int totalBytes int processedBytes Aumpel aumpelObj）;		


		// Flags for conversion hence

		// soundFormat values are taken mostly
		// from libsndfile‘s definition 
		// since it handles the bulk of the
		// transformation types （although it
		// possibly will receive the slightest 
		// use not having MP3 capabilities）. I 
		// have added a value representing MP3 
		// for use with aumplib.
		
		public enu

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-07-06 16:09  WindowsFormsApplication2\
     目录           0  2017-07-06 16:09  WindowsFormsApplication2\.vs\
     目录           0  2017-07-06 16:09  WindowsFormsApplication2\.vs\WindowsFormsApplication2\
     目录           0  2017-07-06 16:09  WindowsFormsApplication2\.vs\WindowsFormsApplication2\v14\
     文件       18432  2017-07-11 11:23  WindowsFormsApplication2\.vs\WindowsFormsApplication2\v14\.suo
     目录           0  2017-07-11 11:54  WindowsFormsApplication2\WindowsFormsApplication2\
     文件        1039  2017-07-06 16:09  WindowsFormsApplication2\WindowsFormsApplication2.sln
     文件         189  2017-07-06 16:08  WindowsFormsApplication2\WindowsFormsApplication2\App.config
     文件       16310  2017-07-06 16:10  WindowsFormsApplication2\WindowsFormsApplication2\Aumpel.cs
     目录           0  2017-07-06 16:10  WindowsFormsApplication2\WindowsFormsApplication2\bin\
     目录           0  2017-07-11 11:23  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\
     文件       37888  2017-07-11 11:45  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.exe
     文件         189  2017-07-06 16:08  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.exe.config
     文件       65024  2017-07-11 11:45  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.pdb
     文件       22696  2017-07-11 11:46  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe
     文件         189  2017-07-06 16:08  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe.config
     文件         490  2016-07-16 19:44  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe.manifest
     目录           0  2017-07-06 16:10  WindowsFormsApplication2\WindowsFormsApplication2\bin\Release\
     文件         405  2017-07-06 16:09  WindowsFormsApplication2\WindowsFormsApplication2\Form1.cs
     文件        1180  2017-07-06 16:09  WindowsFormsApplication2\WindowsFormsApplication2\Form1.Designer.cs
     文件       13928  2017-07-11 11:54  WindowsFormsApplication2\WindowsFormsApplication2\Form2.cs
     文件        9898  2017-07-11 11:50  WindowsFormsApplication2\WindowsFormsApplication2\Form2.Designer.cs
     文件        6224  2017-07-11 11:50  WindowsFormsApplication2\WindowsFormsApplication2\Form2.resx
     文件       13405  2017-07-06 16:12  WindowsFormsApplication2\WindowsFormsApplication2\LameWrapper.cs
     文件        5408  2017-07-06 16:12  WindowsFormsApplication2\WindowsFormsApplication2\LameWriter.cs
     文件       14698  2017-07-06 16:12  WindowsFormsApplication2\WindowsFormsApplication2\LibsndfileWrapper.cs
     文件        4392  2017-07-06 16:10  WindowsFormsApplication2\WindowsFormsApplication2\MadlldlibWrapper.cs
     文件        9199  2017-07-06 16:13  WindowsFormsApplication2\WindowsFormsApplication2\MadnpsrvWrapper.cs
     文件        9480  2017-07-06 16:12  WindowsFormsApplication2\WindowsFormsApplication2\MP3Check.cs
     目录           0  2017-07-06 16:08  WindowsFormsApplication2\WindowsFormsApplication2\obj\
     目录           0  2017-07-11 11:41  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\
............此处省略21个文件信息