www.pudn.com > XvidQP.rar > AVIStripeSystem.h

//	VirtualDub - Video processing and capture application 
//	Copyright (C) 1998-2001 Avery Lee 
// 
//	This program is free software; you can redistribute it and/or modify 
//	it under the terms of the GNU General Public License as published by 
//	the Free Software Foundation; either version 2 of the License, or 
//	(at your option) any later version. 
// 
//	This program 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 General Public License for more details. 
// 
//	You should have received a copy of the GNU General Public License 
//	along with this program; if not, write to the Free Software 
//	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
 
#ifndef f_AVISTRIPESYSTEM_H 
#define f_AVISTRIPESYSTEM_H 
 
#include  
 
#include "VirtualDub.h" 
#include "AVIReadHandler.h" 
 
#pragma warning(push) 
#pragma warning(disable: 4200)	// nonstandard extension used 
 
class AVIStripe { 
public: 
	enum { 
		FLAG_INDEX		= 1, 
		FLAG_VIDEO		= 2, 
		FLAG_AUDIO		= 4, 
 
		MODE_MASTER		= FLAG_INDEX | FLAG_AUDIO,	// contains index + *all* audio 
		MODE_INDEX		= FLAG_INDEX,	// contains index only 
		MODE_VIDEO		= FLAG_VIDEO,	// contains video segments 
		MODE_AUDIO		= FLAG_AUDIO,	// contains audio segments 
		MODE_BOTH		= FLAG_VIDEO | FLAG_AUDIO,	// contains a/v segments 
	}; 
 
	long	lBufferSize, lChunkSize; 
	int		iNameLen; 
	char	cStripeMode; 
	signed char	scPriority; 
	char	szName[]; 
 
	void *operator new(size_t stSize, int iNameBytes); 
 
	BOOL isIndex() { return !!(cStripeMode & FLAG_INDEX); } 
	BOOL isVideo() { return !!(cStripeMode & FLAG_VIDEO); } 
	BOOL isAudio() { return !!(cStripeMode & FLAG_AUDIO); } 
}; 
 
#pragma warning(pop) 
 
 
class AVIStripeSystem { 
private: 
	int nStripes; 
	AVIStripe **stripe; 
 
	void _construct(int nStripes); 
	void _destruct(); 
public: 
	AVIStripeSystem(int nStripes); 
	AVIStripeSystem(char *szFile); 
	~AVIStripeSystem(); 
 
	void		Save(char *szFile); 
 
	int			getStripeCount(); 
	AVIStripe *	getStripeInfo(int nStripe); 
}; 
 
//////////////////////////////////// 
 
class AVIStripeIndexEntry { 
public: 
	long	lSampleFirst; 
	long	lSampleCount; 
	long	lStripe; 
	long	lStripeSample; 
}; 
 
#define DEFINETEST(type) bool inline operator##type(long lSample, AVIStripeIndexEntry& asie) 
 
DEFINETEST(< ) { return lSample <  asie.lSampleFirst; } 
DEFINETEST(>=) { return lSample >= asie.lSampleFirst; } 
DEFINETEST(> ) { return lSample >= asie.lSampleFirst + asie.lSampleCount; } 
DEFINETEST(<=) { return lSample <  asie.lSampleFirst + asie.lSampleCount; } 
 
DEFINETEST(==)	{ 
					long t = lSample - asie.lSampleFirst; 
 
					return t>=0 && t=asie.lSampleCount; 
				} 
 
#undef DEFINETEST 
 
//////////////////////////////////// 
 
class AVIStripeIndexLookup { 
private: 
	AVIStripeIndexEntry *index_table; 
	long index_table_size; 
 
public: 
	AVIStripeIndexLookup(IAVIReadStream *pAVIIndex); 
	~AVIStripeIndexLookup(); 
 
	AVIStripeIndexEntry *lookup(long sample); 
}; 
 
#endif