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-rw-r--r--graphics/video/dxa_decoder.h101
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diff --git a/graphics/video/dxa_decoder.h b/graphics/video/dxa_decoder.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.
- *
- * $URL$
- * $Id$
- *
- */
-
-#ifndef GRAPHICS_VIDEO_DXA_PLAYER_H
-#define GRAPHICS_VIDEO_DXA_PLAYER_H
-
-#include "graphics/video/video_decoder.h"
-
-namespace Graphics {
-
-/**
- * Decoder for DXA videos.
- *
- * Video decoder used in engines:
- * - agos
- * - sword1
- * - sword2
- */
-class DXADecoder : public FixedRateVideoDecoder {
-public:
- DXADecoder();
- virtual ~DXADecoder();
-
- bool load(Common::SeekableReadStream *stream);
- void close();
-
- bool isVideoLoaded() const { return _fileStream != 0; }
- uint16 getWidth() const { return _width; }
- uint16 getHeight() const { return _height; }
- uint32 getFrameCount() const { return _frameCount; }
- const Surface *decodeNextFrame();
- PixelFormat getPixelFormat() const { return PixelFormat::createFormatCLUT8(); }
- const byte *getPalette() { _dirtyPalette = false; return _palette; }
- bool hasDirtyPalette() const { return _dirtyPalette; }
-
- /**
- * Get the sound chunk tag of the loaded DXA file
- */
- uint32 getSoundTag() { return _soundTag; }
-
-protected:
- Common::Rational getFrameRate() const { return _frameRate; }
-
- Common::SeekableReadStream *_fileStream;
-
-private:
- void decodeZlib(byte *data, int size, int totalSize);
- void decode12(int size);
- void decode13(int size);
-
- enum ScaleMode {
- S_NONE,
- S_INTERLACED,
- S_DOUBLE
- };
-
- Graphics::Surface *_surface;
- byte _palette[256 * 3];
- bool _dirtyPalette;
-
- byte *_frameBuffer1;
- byte *_frameBuffer2;
- byte *_scaledBuffer;
- byte *_inBuffer;
- uint32 _inBufferSize;
- byte *_decompBuffer;
- uint32 _decompBufferSize;
- uint16 _curHeight;
- uint32 _frameSize;
- ScaleMode _scaleMode;
- uint32 _soundTag;
- uint16 _width, _height;
- uint32 _frameRate;
- uint32 _frameCount;
-};
-
-} // End of namespace Graphics
-
-#endif