SCI: Converted the robot decoder into a regular video decoder, and decoupled it from the

SciEngine class

- Robot videos are now shown in frameOut(), like they should, and kRobot(sync) is only
used for syncing with the game scripts
- Hooked video playing into the "play_video" console command

svn-id: r55801

1 files changed, 104 insertions, 0 deletions

diff --git a/engines/sci/video/robot_decoder.h b/engines/sci/video/robot_decoder.h
new file mode 100644
index 0000000000..aa68c50f5a
--- /dev/null
+++ b/engines/sci/video/robot_decoder.h
@@ -0,0 +1,104 @@
+/* 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 SCI_VIDEO_ROBOT_DECODER_H
+#define SCI_VIDEO_ROBOT_DECODER_H
+
+#include "common/rational.h"
+#include "common/rect.h"
+#include "common/stream.h"
+#include "common/substream.h"
+#include "sound/audiostream.h"
+#include "sound/mixer.h"
+#include "video/video_decoder.h"
+
+namespace Sci {
+
+#ifdef ENABLE_SCI32
+
+struct RobotHeader {
+	// 6 bytes, identifier bytes
+	uint16 version;
+	uint16 audioChunkSize;
+	uint16 audioSilenceSize;
+	// 2 bytes, unknown
+	uint16 frameCount;
+	uint16 paletteDataSize;
+	uint16 unkChunkDataSize;
+	// 5 bytes, unknown
+	byte hasSound;
+	// 34 bytes, unknown
+};
+
+class RobotDecoder : public Video::FixedRateVideoDecoder {
+public:
+	RobotDecoder(Audio::Mixer *mixer, bool isBigEndian);
+	virtual ~RobotDecoder();
+
+	bool load(Common::SeekableReadStream *stream);
+	bool load(GuiResourceId id);
+	void close();
+
+	bool isVideoLoaded() const { return _fileStream != 0; }
+	uint16 getWidth() const { assert(_surface); return _surface->w; }
+	uint16 getHeight() const { assert(_surface); return _surface->h; }
+	uint16 getPitch() const { assert(_surface); return _surface->pitch; }
+	uint32 getFrameCount() const { return _header.frameCount; }
+	const Graphics::Surface *decodeNextFrame();
+	Graphics::PixelFormat getPixelFormat() const { return Graphics::PixelFormat::createFormatCLUT8(); }
+	const byte *getPalette() { _dirtyPalette = false; return _palette; }
+	bool hasDirtyPalette() const { return _dirtyPalette; }
+	void setPos(uint16 x, uint16 y) { _pos = Common::Point(x, y); }
+	Common::Point getPos() const { return _pos; }
+
+protected:
+	Common::Rational getFrameRate() const { return Common::Rational(60, 10); }
+
+private:
+	void readHeaderChunk();
+	void readPaletteChunk();
+	void readFrameSizesChunk();
+
+	void freeData();
+
+	RobotHeader _header;
+	Common::Point _pos;
+	bool _isBigEndian;
+
+	Common::SeekableSubReadStreamEndian *_fileStream;
+
+	uint32 *_frameTotalSize;
+	byte _palette[256 * 3];
+	bool _dirtyPalette;
+	Graphics::Surface *_surface;
+	Audio::QueuingAudioStream *_audioStream;
+	Audio::SoundHandle _audioHandle;
+	Audio::Mixer *_mixer;
+};
+#endif
+
+} // End of namespace Sci
+
+#endif