www.pudn.com > Gesture[20040824].rar > CAviFile.h

// CAviFile.h: interface for the CAviFile class. 
// http://homepages.msn.com/RedmondAve/darrennix 
// darrennix@msn.com 
////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_CAVIFILE_H__A0BF6284_6EA6_11D3_84CE_868B4118D102__INCLUDED_) 
#define AFX_CAVIFILE_H__A0BF6284_6EA6_11D3_84CE_868B4118D102__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
#define MAX_AUDIO_STREAMS 5 
#define MAX_VIDEO_STREAMS 5 
 
#include  
//#include  
//#include  
//#include  
//#include  
 
//#include "image.h"    
class CAviFile   
{ 
public: 
	int GetFrameNum(); 
/*	CImage * GetFrameImg(int frame);// add by liu 
	CImage * m_frame;//liu 
    int fm;          //liu 
	int m_length;    //liu 
*/	CAviFile(); 
	virtual ~CAviFile(); 
	void Release(); 
 
	bool Open(LPCSTR lpszFileName); 
 
	int GetAudioStreamCount(); 
	int GetVideoStreamCount(); 
	LPWAVEFORMAT GetAudioFormat(UINT nStreamNum); 
	LPBITMAPINFO GetVideoFormat(UINT nStreamNum); 
 
	LPBYTE ExtractAudioStream(UINT nStreamNum); 
 
	bool StartVideoRetrieve(UINT nStreamNum); 
 
	// In these functions: 
	//	NULL in last param means no more frames. 
	//  Frame is only valid until the next 
	//  call of one of these functions, or EndVideoRetrieve. 
	void GetVideoFrameAtTime(UINT nStreamNum, LONG lTimeInMilliSec, LPBITMAPINFOHEADER *ppbi); 
	void GetVideoFrame(UINT nStreamNum, LONG lFrame, LPBITMAPINFOHEADER *ppbi); 
 
	bool EndVideoRetrieve(UINT nStreamNum); 
	 
protected: 
	void Init(); 
	void FindStreams(); 
	bool DetermineAudioFormats(); 
	bool DetermineVideoFormats(); 
 
	PAVIFILE m_pAviFile; 
 
	PAVISTREAM 
		m_pAudioStreams[MAX_AUDIO_STREAMS], 
		m_pVideoStreams[MAX_VIDEO_STREAMS]; 
 
	int m_nNumAudioStreams, 
		m_nNumVideoStreams; 
 
	LPWAVEFORMAT m_pAudioFormats[MAX_AUDIO_STREAMS]; 
	LPBYTE m_pAudioData[MAX_AUDIO_STREAMS]; 
 
	LPBITMAPINFO m_pVideoFormats[MAX_VIDEO_STREAMS]; 
	PGETFRAME m_pVideoPGF[MAX_VIDEO_STREAMS]; 
	LONG m_lVideoEndTime[MAX_VIDEO_STREAMS]; 
}; 
 
#endif // !defined(AFX_CAVIFILE_H__A0BF6284_6EA6_11D3_84CE_868B4118D102__INCLUDED_)