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-rw-r--r--video/codecs/cinepak.h89
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diff --git a/video/codecs/cinepak.h b/video/codecs/cinepak.h
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-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
-
-#ifndef VIDEO_CODECS_CINEPAK_H
-#define VIDEO_CODECS_CINEPAK_H
-
-#include "common/scummsys.h"
-#include "common/rect.h"
-#include "graphics/pixelformat.h"
-
-#include "video/codecs/codec.h"
-
-namespace Common {
-class SeekableReadStream;
-}
-
-namespace Video {
-
-struct CinepakCodebook {
- // These are not in the normal YUV colorspace, but in the Cinepak YUV colorspace instead.
- byte y[4]; // [0, 255]
- int8 u, v; // [-128, 127]
-};
-
-struct CinepakStrip {
- uint16 id;
- uint16 length;
- Common::Rect rect;
- CinepakCodebook v1_codebook[256], v4_codebook[256];
-};
-
-struct CinepakFrame {
- byte flags;
- uint32 length;
- uint16 width;
- uint16 height;
- uint16 stripCount;
- CinepakStrip *strips;
-
- Graphics::Surface *surface;
-};
-
-/**
- * Cinepak decoder.
- *
- * Used in video:
- * - AVIDecoder
- * - QuickTimeDecoder
- */
-class CinepakDecoder : public Codec {
-public:
- CinepakDecoder(int bitsPerPixel = 24);
- ~CinepakDecoder();
-
- const Graphics::Surface *decodeImage(Common::SeekableReadStream *stream);
- Graphics::PixelFormat getPixelFormat() const { return _pixelFormat; }
-
-private:
- CinepakFrame _curFrame;
- int32 _y;
- Graphics::PixelFormat _pixelFormat;
- byte *_clipTable, *_clipTableBuf;
-
- void loadCodebook(Common::SeekableReadStream *stream, uint16 strip, byte codebookType, byte chunkID, uint32 chunkSize);
- void decodeVectors(Common::SeekableReadStream *stream, uint16 strip, byte chunkID, uint32 chunkSize);
-};
-
-} // End of namespace Video
-
-#endif