misc.h
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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_VIRTUALDUB_MISC_H
- #define f_VIRTUALDUB_MISC_H
- #include <mmsystem.h>
- long MulDivTrunc(long a, long b, long c);
- int NearestLongValue(long v, const long *array, int array_size);
- // only works properly when d1,d2>0!!
- long inline int64divto32(__int64 d1, __int64 d2) {
- return d2?(long)((d1+d2/2)/d2):0;
- }
- __int64 inline int64divround(__int64 d1, __int64 d2) {
- return d2?((d1+d2/2)/d2):0;
- }
- __int64 inline int64divroundup(__int64 d1, __int64 d2) {
- return d2?((d1+d2-1)/d2):0;
- }
- bool isEqualFOURCC(FOURCC fccA, FOURCC fccB);
- FOURCC toupperFOURCC(FOURCC fcc);
- #endif