www.pudn.com > vc-network-communication.rar > AVFile.h

/*------------------------------------------------------------------------------*\ 
 ============================= 
   模块名称: AudioFile.h 
 ============================= 
 
 [目的] 
  
     封装了Audio File的操作     
     	   
 [描述] 
		 
	该模块可以从文件输入输出语音   
  
 [用法] 
    
     
	  
 [依赖性] 
	 
	  
 
 [修改记录] 
  
  版本:    1.01.01 
  日期:    01-11-26         
  作者:    Brant Q 
  备注: 
   
 
 
 [版权] 
  
   2000-2002  115软件工厂  版权所有 
                                               
\*------------------------------------------------------------------------------*/ 
#ifndef _AVFILE_H_ 
#define _AVFILE_H_ 
#define VF_VER 1000 
#define SIZE_PACK 32 
#define VF_FLAG "VF1" 
typedef struct 
{ 
	char szFlag[4]; 
	int iVer; 
	int iCheckSum; 
	int nPack; 
	int nBitPerSample; 
	int nSamplePerPack; 
	int nTime; 
		 
} AUDIO_FILE_HEADER; 
 
class CAVFile 
{ 
public: 
	UINT GetNumOfPacks(); 
	 
	BOOL SetNextPack(char*buf); 
	BOOL SetPack(UINT nFrame,char* buf); 
	BOOL Create(char* pszName); 
	BOOL GetPack(UINT nFrame,char *buf); 
	BOOL Seek(UINT nFrame); 
	BOOL Close(); 
	BOOL GetNextPack(char* buf); 
	BOOL Open(char* pszName); 
	virtual  ~CAVFile(); 
	CAVFile(); 
protected: 
	AUDIO_FILE_HEADER m_vfh; 
	void InitHeader(AUDIO_FILE_HEADER& vfh); 
	BOOL m_bFlag; 
	HANDLE m_hFile; 
 
}; 
 
 
 
#endif