syncfifo.h

播放被H264_AAC所压缩的avi文件的播放器。

/*
 * H.264/AVC Streaming Server(HSS), ver 1.0
 * Copyright (c) KCC-Eoun Information Center										
 *																				
 * File: SyncFifo.h															
 * Description: Declare the fifo buffer.
 *
 * The Initial Writer of Original Code is Song Chol.Jo
 *
 * $Log: SyncFifo.h, v $
 * Revision 1.0 2006-08-10 Song Chol.Jo
 * Initial version
*/
#if !defined(_SYNCFIFO_H_)
#define _SYNCFIFO_H_

/************************************************************************/
/* Define                                                               */
/************************************************************************/
#define	DEFAULT_CHUNK_NUM	256
#define DEFAULT_CHUNK_SIZE  4096

#define DEFAULT_EMPTY_JITTER_NUM	5
#define DEFAULT_FULL_JITTER_NUM		0

#define ERROR_CODE	0xFFFFFFFF

#include <windows.h>
/************************************************************************/
/* Typedef                                                              */
/************************************************************************/
/* fifo chunk.
*/
//##ModelId=4753B7E90215
typedef struct  _tagFIFOCHUNK
{
	struct _tagFIFOCHUNK *pNextChunk;
	struct _tagFIFOCHUNK *pPrevChunk;
	UINT	nID;
	UINT	nPos;
	UINT	nSize;
	UINT	nTime;
	BOOL	bIsEndChunk;
	BOOL	bIsUsing;
}FIFOCHUNK, *PFIFOCHUNK;

/************************************************************************/
/* Declaration CSyncFifo class                                          */
/************************************************************************/
//##ModelId=4753B7E90242
class CSyncFifo  
{
public:
	//##ModelId=4753B7E90251
	CSyncFifo(	UINT	nChunkSize = DEFAULT_CHUNK_SIZE, 
				UINT	nChunkNum = DEFAULT_CHUNK_NUM, 
				UINT	nEmptyJitterNum = DEFAULT_EMPTY_JITTER_NUM, 
				UINT	nFullJitterNum = DEFAULT_FULL_JITTER_NUM, 
				BOOL	bIsPushInfinite = TRUE, 
				BOOL	bIsPopInifinite = TRUE );
	//##ModelId=4753B7E90261
	virtual ~CSyncFifo();

// Operations
public:
	//##ModelId=4753B7E90263
	PVOID	GetPushBuffer(UINT	nSize);
	//##ModelId=4753B7E90265
	void	Push(UINT nSize, UINT nTime);
	//##ModelId=4753B7E90272
	UINT	GetPopTime();
	//##ModelId=4753B7E90273
	PVOID	Pop(UINT * nSize, UINT *nTime = NULL);
	//##ModelId=4753B7E90276
	HANDLE	GetEventHandle();
	//##ModelId=4753B7E90280
	void	RestoreFullJitterNum();
	//##ModelId=4753B7E90281
	void	RestoreEmptyJitterNum();
	//##ModelId=4753B7E90282
	void	SetFullJitterNum(UINT nFullJitterNum);
	//##ModelId=4753B7E90284
	void	SetEmptyJitterNum(UINT nEmptyJitterNum);
	//##ModelId=4753B7E90286
	void	Empty();
	//##ModelId=4753B7E90290
	BOOL	IsJitterEmpty();
	//##ModelId=4753B7E90291
	BOOL	IsJitterFull();
	//##ModelId=4753B7E90292
	BOOL	CheckIsBuffering(UINT &nPercent);
	
private:
	//##ModelId=4753B7E90294
	BOOL	InitFifo(	UINT	nChunkSize, 
						UINT	nChunkNum, 
						UINT	nEmptyJitterNum, 
						UINT	nFullJitterNum, 
						BOOL	bIsPushInfinite, 
						BOOL	bIsPopInfinite );
	//##ModelId=4753B7E902A3
	void	RemoveFifo();
	//##ModelId=4753B7E902A4
	void	InsertFifoChunk();

//	Attributes
public:
	//##ModelId=4753B7E902A5
	BOOL	m_bIsPushInfinite;
	//##ModelId=4753B7E902AF
	BOOL	m_bIsPopInfinite;
	//##ModelId=4753B7E902B0
	UINT	m_nCurChunkNum;
	
private:
	//##ModelId=4753B7E902B1
	UINT	m_nChunkSize;
	//##ModelId=4753B7E902BF
	PVOID	m_pFifoMem;

	//##ModelId=4753B7E902C1
	PFIFOCHUNK m_pPopChunk;
	//##ModelId=4753B7E902CF
	PFIFOCHUNK m_pPushChunk;
	//##ModelId=4753B7E902D4
	PFIFOCHUNK m_pInitChunk;
	
	//##ModelId=4753B7E902DE
	HANDLE	m_hNotUseFifoEvent;
	//##ModelId=4753B7E902DF
	HANDLE	m_hNotFullEvent;
	//##ModelId=4753B7E902EE
	HANDLE	m_hNotEmptyEvent;

	//##ModelId=4753B7E902EF
	UINT	m_nFifoSize;
	//##ModelId=4753B7E902FD
	UINT	m_nFreeMem;
	//##ModelId=4753B7E902FE
	UINT	m_nEndFreeMem;
	//##ModelId=4753B7E902FF
	UINT	m_nCurFifoChunkNum;
	//##ModelId=4753B7E9030D
	UINT	m_nEmptyJitterNum;
	//##ModelId=4753B7E9030E
	UINT	m_nRestoreEmptyJitterNum;
	//##ModelId=4753B7E9031C
	UINT	m_nFullJitterNum;
	//##ModelId=4753B7E9031D
	UINT	m_nRestoreFullJitterNum;

	//##ModelId=4753B7E9032C
	BOOL	m_bPushFirst;
	//##ModelId=4753B7E9032D
	BOOL	m_bPopFirst;
};

#endif // !defined(_SYNCFIFO_H_)