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- // 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_VIDEOSEQUENCECOMPRESSOR_H
- #define f_VIDEOSEQUENCECOMPRESSOR_H
-
- #include <windows.h>
- #include <vfw.h>
-
- class VideoSequenceCompressor {
- public:
- VideoSequenceCompressor();
- ~VideoSequenceCompressor();
-
- void init(HIC hic, BITMAPINFO *pbiInput, BITMAPINFO *pbiOutput, long lQ, long lKeyRate);
- void setDataRate(long lDataRate, long lUsPerFrame, long lFrameCount);
- void start();
- void dropFrame();
- void *packFrame(void *pBits, bool *pfKeyframe, long *plSize);
- void finish();
-
- bool isSequenceIntelligent() {
- return !!(dwFlags & VIDCF_COMPRESSFRAMES);
- }
-
- long getMaxSize() {
- return lMaxPackedSize;
- }
-
- private:
- HIC hic;
- DWORD dwFlags;
- BITMAPINFO *pbiInput, *pbiOutput;
- char *pOutputBuffer, *pPrevBuffer;
- long lFrameNum, lKeyRate, lQuality;
- long lKeyRateCounter;
- long lMaxFrameSize;
- long lMaxPackedSize;
- bool fCompressionStarted;
- long lSlopSpace;
-
- void *pConfigData;
- int cbConfigData;
- };
-
- #endif
-