AVIIndex.h
资源名称:VC++视频传输.rar [点击查看]
上传用户:hxb_1234
上传日期:2010-03-30
资源大小:8328k
文件大小:3k
源码类别:
VC书籍
开发平台:
Visual 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.
- #ifndef f_AVIINDEX_H
- #define f_AVIINDEX_H
- #include <stdio.h>
- #include <string.h>
- #include <windows.h>
- #include <vfw.h>
- 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