From b568ac73b9d2e063eb04693e4610a9932035b696 Mon Sep 17 00:00:00 2001
From: Matthew Hoops
Date: Thu, 27 Feb 2014 21:27:23 -0500
Subject: IMAGE: Move video codecs to image/

---
 image/codecs/svq1.h | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 image/codecs/svq1.h

(limited to 'image/codecs/svq1.h')

diff --git a/image/codecs/svq1.h b/image/codecs/svq1.h
new file mode 100644
index 0000000000..56310a1a38
--- /dev/null
+++ b/image/codecs/svq1.h
@@ -0,0 +1,88 @@
+/* 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_SVQ1_H
+#define IMAGE_CODECS_SVQ1_H
+
+#include "image/codecs/codec.h"
+
+namespace Common {
+class BitStream;
+class Huffman;
+struct Point;
+}
+
+namespace Image {
+
+/**
+ * Sorenson Vector Quantizer 1 decoder.
+ *
+ * Used in video:
+ *  - QuickTimeDecoder
+ */
+class SVQ1Decoder : public Codec {
+public:
+	SVQ1Decoder(uint16 width, uint16 height);
+	~SVQ1Decoder();
+
+	const Graphics::Surface *decodeImage(Common::SeekableReadStream *stream);
+	Graphics::PixelFormat getPixelFormat() const { return _surface->format; }
+
+private:
+	Graphics::Surface *_surface;
+	uint16 _width, _height;
+	uint16 _frameWidth, _frameHeight;
+
+	byte *_last[3];
+
+	Common::Huffman *_blockType;
+	Common::Huffman *_intraMultistage[6];
+	Common::Huffman *_interMultistage[6];
+	Common::Huffman *_intraMean;
+	Common::Huffman *_interMean;
+	Common::Huffman *_motionComponent;
+
+	bool svq1DecodeBlockIntra(Common::BitStream *s, byte *pixels, int pitch);
+	bool svq1DecodeBlockNonIntra(Common::BitStream *s, byte *pixels, int pitch);
+	bool svq1DecodeMotionVector(Common::BitStream *s, Common::Point *mv, Common::Point **pmv);
+	void svq1SkipBlock(byte *current, byte *previous, int pitch, int x, int y);
+	bool svq1MotionInterBlock(Common::BitStream *ss, byte *current, byte *previous, int pitch,
+			Common::Point *motion, int x, int y);
+	bool svq1MotionInter4vBlock(Common::BitStream *ss, byte *current, byte *previous, int pitch,
+			Common::Point *motion, int x, int y);
+	bool svq1DecodeDeltaBlock(Common::BitStream *ss, byte *current, byte *previous, int pitch,
+			Common::Point *motion, int x, int y);
+
+	void putPixels8C(byte *block, const byte *pixels, int lineSize, int h);
+	void putPixels8L2(byte *dst, const byte *src1, const byte *src2, int dstStride, int srcStride1, int srcStride2, int h);
+	void putPixels8X2C(byte *block, const byte *pixels, int lineSize, int h);
+	void putPixels8Y2C(byte *block, const byte *pixels, int lineSize, int h);
+	void putPixels8XY2C(byte *block, const byte *pixels, int lineSize, int h);
+	void putPixels16C(byte *block, const byte *pixels, int lineSize, int h);
+	void putPixels16X2C(byte *block, const byte *pixels, int lineSize, int h);
+	void putPixels16Y2C(byte *block, const byte *pixels, int lineSize, int h);
+	void putPixels16XY2C(byte *block, const byte *pixels, int lineSize, int h);
+};
+
+} // End of namespace Image
+
+#endif
-- 
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