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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_CODEC_H
-#define VIDEO_CODECS_CODEC_H
-
-#include "graphics/surface.h"
-#include "graphics/pixelformat.h"
-
-namespace Common {
-class SeekableReadStream;
-}
-
-namespace Video {
-
-/**
- * An abstract representation of a video codec used for decoding
- * video frames.
- *
- * Used in video:
- * - AVIDecoder
- * - QuickTimeDecoder
- * - VMDDecoder
- */
-class Codec {
-public:
- Codec() {}
- virtual ~Codec() {}
-
- /**
- * Decode the frame for the given data and return a pointer to a surface
- * containing the decoded frame.
- *
- * @return a pointer to the decoded frame
- * @note stream is not deleted
- */
- virtual const Graphics::Surface *decodeImage(Common::SeekableReadStream *stream) = 0;
-
- /**
- * Get the format that the surface returned from decodeImage() will
- * be in.
- */
- virtual Graphics::PixelFormat getPixelFormat() const = 0;
-
- /**
- * Can this codec's frames contain a palette?
- */
- virtual bool containsPalette() const { return false; }
-
- /**
- * Get the palette last decoded from decodeImage
- */
- virtual const byte *getPalette() { return 0; }
-
- /**
- * Does the codec have a dirty palette?
- */
- virtual bool hasDirtyPalette() const { return false; }
-};
-
-} // End of namespace Video
-
-#endif