www.pudn.com > XvidQP.rar > AVIIndex.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_AVIINDEX_H 
#define f_AVIINDEX_H 
 
#include  
#include  
 
#include  
#include  
 
class AVIIndexChainNode; 
 
class AVIIndexEntry2 { 
public: 
	__int64 pos; 
	union { 
		FOURCC	ckid; 
		int		fileno; 
	}; 
	LONG	size; 
}; 
 
class AVIIndexEntry3 { 
public: 
	DWORD	dwOffset; 
	DWORD	dwSizeKeyframe; 
}; 
 
class AVIIndexChain { 
protected: 
	AVIIndexChainNode *head, *tail; 
 
	void delete_chain(); 
public: 
	int total_ents; 
 
	AVIIndexChain(); 
	~AVIIndexChain(); 
 
	bool add(AVIINDEXENTRY *avie); 
	bool add(AVIIndexEntry2 *avie2); 
	bool add(FOURCC ckid, __int64 pos, long len, bool is_keyframe); 
	void put(AVIINDEXENTRY *avietbl); 
	void put(AVIIndexEntry2 *avie2tbl); 
	void put(AVIIndexEntry3 *avie3tbl, __int64 offset); 
}; 
 
class AVIIndex : public AVIIndexChain { 
protected: 
	AVIINDEXENTRY *index; 
	AVIIndexEntry2 *index2; 
	AVIIndexEntry3 *index3; 
	int index_len; 
 
	AVIINDEXENTRY *allocateIndex(int total_entries) { 
		return index = new AVIINDEXENTRY[index_len = total_entries]; 
	} 
 
	AVIIndexEntry2 *allocateIndex2(int total_entries) { 
		return index2 = new AVIIndexEntry2[index_len = total_entries]; 
	} 
 
	AVIIndexEntry3 *allocateIndex3(int total_entries) { 
		return index3 = new AVIIndexEntry3[index_len = total_entries]; 
	} 
 
public: 
	AVIIndex(); 
	~AVIIndex(); 
 
	bool makeIndex(); 
	bool makeIndex2(); 
	bool makeIndex3(__int64 offset); 
	void clear(); 
 
	AVIINDEXENTRY *indexPtr() { 
		return index; 
	} 
 
	AVIIndexEntry2 *index2Ptr() { 
		return index2; 
	} 
 
	AVIIndexEntry3 *index3Ptr() { 
		return index3; 
	} 
 
	AVIIndexEntry2 *takeIndex2() { 
		AVIIndexEntry2 *idx = index2; 
 
		index2 = NULL; 
		return idx; 
	} 
 
	int size() { return total_ents; } 
 
	int indexLen() { 
		return index_len; 
	} 
}; 
 
#endif