mkvtoolnix/aviclasses/AVIIndex.h
2003-10-05 15:22:24 +00:00

121 lines
2.6 KiB
C++

// 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.
//
// Modified by Julien 'Cyrius' Coloos
// 20-09-2003
//
#ifndef f_AVIINDEX_H
#define f_AVIINDEX_H
#include "common_endian.h"
#include "common_gdivfw.h"
class AVIIndexChainNode;
class AVIIndexEntry2 {
public:
sint64 pos;
union {
uint32_le ckid;
int fileno;
};
sint32 size;
};
class AVIIndexEntry3 {
public:
uint32 dwOffset;
uint32 dwSizeKeyframe;
};
class AVIIndexChain {
protected:
AVIIndexChainNode *head, *tail;
void delete_chain();
public:
int total_ents;
AVIIndexChain();
~AVIIndexChain();
bool add(w32AVIINDEXENTRY *avie);
bool add(AVIIndexEntry2 *avie2);
bool add(uint32_le ckid, sint64 pos, long len, bool is_keyframe);
void put(w32AVIINDEXENTRY *avietbl);
void put(AVIIndexEntry2 *avie2tbl);
void put(AVIIndexEntry3 *avie3tbl, sint64 offset);
};
class AVIIndex : public AVIIndexChain {
protected:
w32AVIINDEXENTRY *index;
AVIIndexEntry2 *index2;
AVIIndexEntry3 *index3;
int index_len;
w32AVIINDEXENTRY *allocateIndex(int total_entries) {
return index = new w32AVIINDEXENTRY[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(sint64 offset);
void clear();
w32AVIINDEXENTRY *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