1 files changed, 89 insertions, 0 deletions
diff --git a/image/codecs/cinepak.h b/image/codecs/cinepak.h
new file mode 100644
index 0000000000..99a316e428
--- /dev/null
+++ b/image/codecs/cinepak.h
@@ -0,0 +1,89 @@
+/* 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 IMAGE_CODECS_CINEPAK_H
+#define IMAGE_CODECS_CINEPAK_H
+
+#include "common/scummsys.h"
+#include "common/rect.h"
+#include "graphics/pixelformat.h"
+
+#include "image/codecs/codec.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Image {
+
+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 Image
+
+#endif