www.pudn.com > mediator15src.zip > AVIIndex.h

/* 
 * AVIIndex.h 
 * Copyright (C) 1998-2001 Avery Lee 
 * 
 * This file is part of MPEG Mediator, a free MPEG stream converter. 
 * 
 * MPEG Mediator 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. 
 * 
 * MPEG Mediator 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 */ 
 
#ifndef f_AVIINDEX_H 
#define f_AVIINDEX_H 
 
#include "stdafx.h" 
#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