Renamed the DXA, SMK and FLIC video decoders to reflect the fact that they're decoders, not players

svn-id: r40759

1 files changed, 89 insertions, 0 deletions

diff --git a/graphics/video/dxa_decoder.h b/graphics/video/dxa_decoder.h
new file mode 100644
index 0000000000..384a057c3f
--- /dev/null
+++ b/graphics/video/dxa_decoder.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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+/**
+ * Video decoder used in engines:
+ *  - agos
+ *  - sword1
+ *  - sword2
+ */
+
+#ifndef GRAPHICS_VIDEO_DXA_PLAYER_H
+#define GRAPHICS_VIDEO_DXA_PLAYER_H
+
+#include "graphics/video/video_player.h"
+
+namespace Graphics {
+
+class DXADecoder : public VideoDecoder {
+public:
+	DXADecoder();
+	virtual ~DXADecoder();
+
+	/**
+	 * Load a DXA encoded video file
+	 * @param filename	the filename to load
+	 */
+	bool loadFile(const char *fileName);
+
+	/**
+	 * Close a DXA encoded video file
+	 */
+	void closeFile();
+
+	bool decodeNextFrame();
+
+	/**
+	 * Get the sound chunk tag of the loaded DXA file
+	 */
+	uint32 getSoundTag() { return _soundTag; }
+
+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
+	};
+
+	byte *_frameBuffer1;
+	byte *_frameBuffer2;
+	byte *_scaledBuffer;
+	byte *_inBuffer;
+	uint32 _inBufferSize;
+	byte *_decompBuffer;
+	uint32 _decompBufferSize;
+	uint16 _curHeight;
+	uint32 _frameSize;
+	ScaleMode _scaleMode;
+	uint32 _soundTag;
+};
+
+} // End of namespace Graphics
+
+#endif