synced with scummvm

svn-id: r4821

gui/dialog.cpp

@@ -489,8 +489,8 @@ void SoundDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data)
 		
 		scumm->_imuse->set_music_volume(_soundVolumeMusic);
 		scumm->_imuse->set_master_volume(_soundVolumeMaster);
-		scumm->_mixer->set_volume(_soundVolumeSfx);
+		scumm->_mixer->setVolume(_soundVolumeSfx);
-		scumm->_mixer->set_music_volume(_soundVolumeMusic);
+		scumm->_mixer->setMusicVolume(_soundVolumeMusic);
 		
 		scummcfg->set("master_volume", _soundVolumeMaster);
 		scummcfg->set("music_volume", _soundVolumeMusic);

gui/gui.cpp

@@ -621,8 +621,8 @@ void Gui::handleSoundDialogCommand(int cmd)
 
 		_s->_imuse->set_music_volume(_s->_sound->_sound_volume_music);
 		_s->_imuse->set_master_volume(_s->_sound->_sound_volume_master);
-		_s->_mixer->set_volume(_s->_sound->_sound_volume_sfx);
+		_s->_mixer->setVolume(_s->_sound->_sound_volume_sfx);
-		_s->_mixer->set_music_volume(_s->_sound->_sound_volume_music);
+		_s->_mixer->setMusicVolume(_s->_sound->_sound_volume_music);
 
 		scummcfg->set("master_volume", _s->_sound->_sound_volume_master);
 		scummcfg->set("music_volume", _s->_sound->_sound_volume_music);

scumm/imuse.cpp

@@ -3302,7 +3302,7 @@ void IMuseAdlib::init(IMuseInternal *eng, OSystem *syst)
 	adlib_write(0xBD, 0x00);
 	create_lookup_table();
 
-	_mixer->setup_premix(this, premix_proc);
+	_mixer->setupPremix(this, premix_proc);
 }
 
 void IMuseAdlib::adlib_write(byte port, byte value)

scumm/insane.cpp

@@ -1467,7 +1467,7 @@ void SmushPlayer::startVideo(short int arg, byte *videoFile) {
 			for (idx = 0; idx < MAX_STREAMER; idx++) {
 				if (_imusTrk[idx] != 0) {
 					if (_imusNewMixer[idx]) {
-						_scumm->_mixer->play_stream(NULL, idx, _imusBuf[idx], _imusFinalSize[idx], _imusRate[idx], _imusFlags[idx]);
+						_scumm->_mixer->playStream(NULL, idx, _imusBuf[idx], _imusFinalSize[idx], _imusRate[idx], _imusFlags[idx]);
 					} else {
 						_scumm->_mixer->append(idx, _imusBuf[idx], _imusFinalSize[idx], _imusRate[idx], _imusFlags[idx]);
 					}
@@ -1479,7 +1479,7 @@ void SmushPlayer::startVideo(short int arg, byte *videoFile) {
 			for (idx = 0; idx < MAX_STREAMER; idx++) {
 				if (_psadTrk[idx] != 0) {
 					if (_strkNewMixer[idx]) {
-						_scumm->_mixer->play_stream(NULL, idx, _strkBuf[idx], _strkFinalSize[idx], _strkRate[idx], SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
+						_scumm->_mixer->playStream(NULL, idx, _strkBuf[idx], _strkFinalSize[idx], _strkRate[idx], SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
 					} else {
 						_scumm->_mixer->append(idx, _strkBuf[idx], _strkFinalSize[idx], _strkRate[idx], SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
 					}

scumm/saveload.cpp

@@ -597,7 +597,7 @@ void Scumm::saveOrLoad(Serializer *s)
 	int var98Backup;
 
 	if (_mixer && !s->isSaving())
-		_mixer->stop_all();
+		_mixer->stopAll();
 
 	if (_current_version == VER_V9)
 		s->saveLoadEntries(this, mainEntriesV9);

scumm/script_v2.cpp

@@ -24,7 +24,8 @@
 #include "stdafx.h"
 #include "scumm.h"
 #include "actor.h"
-#include "smush.h"
+#include "smush/player.h"
+#include "smush/scumm_renderer.h"
 
 #include "sound/mididrv.h"
 #include "scumm/imuse.h"
@@ -2699,7 +2700,6 @@ void Scumm::o6_miscOps()
 	Actor *a;
 
 	IMuse *se = _imuse;						//yazoo: not very nice
-	SmushPlayer * sp;
 
 	getStackList(args, sizeof(args) / sizeof(args[0]));
 
@@ -2708,11 +2708,15 @@ void Scumm::o6_miscOps()
 		case 4:
 			grabCursor(args[1], args[2], args[3], args[4]);
 			break;
-		case 6:
+		case 6: { 
-			sp = new SmushPlayer(this);
+ 				ScummRenderer sr(this);
-			sp->startVideo(args[1], getStringAddressVar(VAR_VIDEONAME));
+ 				SmushPlayer sp(&sr);
-			delete sp;
+ 				char filename[512];
-			break;
+ 				strcpy(filename, _gameDataPath);
+ 				strcat(filename, "video/");
+ 				strcat(filename, (char*)getStringAddressVar(VAR_VIDEONAME));
+ 				sp.play(filename);
+ 			}
 		case 7:
 			warning("o6_miscOps: stub7()");
 			break;

scumm/smush/blitter.cpp

@@ -0,0 +1,221 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "blitter.h"
+#include "chunck.h"
+
+#include <assert.h>
+#include <string.h> // for memcpy
+
+#ifndef min
+#define min(x, y) ((x) > (y) ? (y) : (x))
+#endif
+
+Blitter::Blitter(char * ptr, const Point & dstsize, const Rect & src) : 
+			_ptr(ptr), 
+			_clip(dstsize), 
+			_src(src),
+			_cur(src.left(), src.top()),
+			_outside(false) {
+#ifdef DEBUG_CLIPPER
+	_clipped = 0;
+	_clippedBlock = 0;
+#endif
+	assert(_ptr);
+	assert(_clip.getX() > 0 && _clip.getY() > 0);
+	assert(_src.width() > 0 && _src.height() > 0);
+	assert(_src.left() < _clip.getX() && _src.right() <= _clip.getX());
+	assert(_src.top() < _clip.getY() && _src.bottom() <= _clip.getY());
+	_offset = _ptr + _clip.getX() * _cur.getY()  + _cur.getX();
+}
+
+Blitter::~Blitter() {
+#ifdef DEBUG_CLIPPER
+	if(_clipped || _clippedBlock) {
+		debug(3, "blitter clipped %d pixels and %d blocks", _clipped, _clippedBlock);
+	}
+#endif
+}
+
+void Blitter::advance(int x, int y) {
+	if(y != 0) {
+		_cur.set(_src.left() + x, _cur.getY() + y);
+	} else {
+		_cur.getX() += x;
+		if(_cur.getX() >= _src.right()) {
+			_cur.set(_src.left(), _cur.getY()+1);
+		}
+	}
+	_offset = _ptr + _clip.getX() * _cur.getY()  + _cur.getX();
+	_outside = ! _src.isInside(_cur); 
+}
+
+void Blitter::advanceBlock(int x, int y) {
+	advance(x*4, y*4);
+}
+
+void Blitter::put(char data) {
+	if(!_outside) {
+		*_offset = data;
+		advance();
+	}
+#ifdef DEBUG_CLIPPER
+	else	_clipped ++;
+#endif
+}
+
+void Blitter::put(char data, unsigned int len) {
+	while(len) {
+		if(_outside) {
+#ifdef DEBUG_CLIPPER
+			_clipped += len;
+#endif
+			break;
+		}
+		int l = min((int)len, min(_clip.getX() - _cur.getX(), _src.right() - _cur.getX()));
+		len -= l;
+		memset(_offset, data, l);
+		advance(l);
+	}
+}
+
+void Blitter::blit(char * ptr, unsigned int len) {
+	while(len) {
+		if(_outside) {
+#ifdef DEBUG_CLIPPER
+			_clipped += len;
+#endif
+			break;
+		}
+		int l = min((int)len, min(_clip.getX() - _cur.getX(), _src.right() - _cur.getX()));
+		len -= l;
+		memcpy(_offset, ptr, l);
+		ptr += l;
+		advance(l);
+	}
+}
+
+void Blitter::blit(Chunck & src, unsigned int len) {
+	while(len) {
+		if(_outside) {
+#ifdef DEBUG_CLIPPER
+			_clipped += len;
+#endif
+			break;
+		}
+		int l = min((int)len, min(_clip.getX() -_cur.getX(), _src.right() - _cur.getX()));
+		len -= l;
+		src.read(_offset, l);
+		advance(l);
+	}
+}
+
+void Blitter::putBlock(unsigned int data) {
+	if(_cur.getX() + 3 < _src.right() && _cur.getY() + 3 < _src.bottom()) { // This is clipping
+		assert((_clip.getX() & 3) == 0);
+		unsigned int * dst = (unsigned int *)_offset;
+		int line_size = _clip.getX() >> 2;
+
+		*dst = data; dst += line_size;
+		*dst = data; dst += line_size;
+		*dst = data; dst += line_size;
+		*dst = data;
+
+#ifdef DEBUG_CLIPPER
+	} else {
+		_clippedBlock ++;
+#endif
+	}
+	advanceBlock();
+}
+
+void Blitter::putBlock(unsigned int d1, unsigned int d2, unsigned int d3, unsigned int d4) {
+	if(_cur.getX() + 3 < _src.right() && _cur.getY() + 3 < _src.bottom()) { // This is clipping
+		assert((_clip.getX() & 3) == 0);
+		unsigned int * dst = (unsigned int *)_offset;
+		int line_size = _clip.getX() >> 2;
+
+		*dst = d4; dst += line_size;
+		*dst = d3; dst += line_size;
+		*dst = d2; dst += line_size;
+		*dst = d1;
+
+#ifdef DEBUG_CLIPPER
+	} else {
+		_clippedBlock ++;
+#endif
+	}
+	advanceBlock();
+}
+
+void Blitter::putBlock(unsigned char * data) {
+	if(_cur.getX() + 3 < _src.right() && _cur.getY() + 3 < _src.bottom()) { // This is clipping
+		assert((_clip.getX() & 3) == 0);
+		unsigned int * dst =  (unsigned int *)_offset;
+		int line_size = _clip.getX() >> 2;
+		unsigned int * src =  (unsigned int *)data;
+		*dst = *src++; dst += line_size; 
+		*dst = *src++; dst += line_size;
+		*dst = *src++; dst += line_size;
+		*dst = *src++;
+#ifdef DEBUG_CLIPPER
+	} else {
+		_clippedBlock ++;
+#endif
+	}
+	advanceBlock();
+}
+
+void Blitter::putBlock(Chunck & src) {
+	if(_cur.getX() + 3 < _src.right() && _cur.getY() + 3 < _src.bottom()) { // This is clipping
+		assert((_clip.getX() & 3) == 0);
+		unsigned int * dst =  (unsigned int *)_offset;
+		int line_size = _clip.getX() >> 2;
+		*dst = src.getDword(); dst += line_size;
+		*dst = src.getDword(); dst += line_size;
+		*dst = src.getDword(); dst += line_size;
+		*dst = src.getDword();
+#ifdef DEBUG_CLIPPER
+	} else {
+		_clippedBlock ++;
+#endif
+	}
+	advanceBlock();
+}
+
+void Blitter::blockCopy(int offset) {
+	if(_cur.getX() + 3 < _src.right() && _cur.getY() + 3 < _src.bottom()) {// This is clipping
+		char  * dst = _offset;
+		*((unsigned int *)dst) = *((unsigned int *)(dst + offset));
+		dst += _clip.getX();
+		*((unsigned int *)dst) = *((unsigned int *)(dst + offset));
+		dst += _clip.getX();
+		*((unsigned int *)dst) = *((unsigned int *)(dst + offset));
+		dst += _clip.getX();
+		*((unsigned int *)dst) = *((unsigned int *)(dst + offset));
+#ifdef DEBUG_CLIPPER
+	} else {
+		_clippedBlock ++;
+#endif
+	}
+	advanceBlock();
+}

scumm/smush/blitter.h

@@ -0,0 +1,79 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __BLITTER_H_
+#define __BLITTER_H_
+
+#include "config.h"
+
+#ifdef DEBUG
+# ifndef NO_DEBUG_CLIPPER
+#  define DEBUG_CLIPPER
+# endif
+#else
+# ifdef DEBUG_CLIPPER
+#  error DEBUG_CLIPPER defined without DEBUG
+# endif
+#endif
+
+#include "rect.h"
+
+class Chunck;
+/*! 	@brief class for handling blitting on a frame buffer
+
+	This class allows to perform secure blitting to a frame buffer in several ways.
+	This means that clipping is performed, so that only the part that you want to modify can be modified.
+*/
+class Blitter {
+private:
+	char * _ptr;	//!< This is the pointer to the start of the frame buffer
+	char * _offset;	//!< This is the current pointer in the frame buffer
+	Point _clip;		//!<  This is the size of the frame buffer (width/height)
+	Rect _src; 		//!< This is the size and position of the destination rectangle
+	Point _cur; 		//!< This is the current position in the destination rectangle
+	bool _outside;	//!< flag that is set to \c true when the blitter reach the end of the destination rectangle
+#ifdef DEBUG_CLIPPER
+	int _clipped;
+	int _clippedBlock;
+#endif
+public:
+	/*!	@brief constructor
+
+		@param buffer the frame buffer to blit to
+		@param dstsize the size of the frame buffer
+		@param src the rectangle to blit to
+	*/
+	Blitter(char * buffer, const Point & dstsize, const Rect & src);
+	virtual ~Blitter();
+	void blit(char *, unsigned int); //!< This method allows to blit directly some data from a buffer
+	void blit(Chunck &, unsigned int); //!< This method allows to blit directly some data from a chunck
+	void put(char); //!< This method allows to blit one byte
+	void put(char, unsigned int); //!< This method allows to blit one byte several times
+	void advance(int = 1, int = 0); //!< This method allows to advance the current position in the blitter
+	void advanceBlock(int = 1, int = 0); //!< This method allows to advance the current position in the blitter in terms of blocks
+	void putBlock(unsigned int); //!< This method allows to blit one block from an int value repeated 4 time
+	void putBlock(Chunck &); //!< This method allows to blit one block directly read from a chunck
+	void putBlock(unsigned char *); //!< This method allows to blit one block directly from a buffer
+	void putBlock(unsigned int, unsigned int, unsigned int, unsigned int); //!< This method allows to blit one block from a 4 int value
+	void blockCopy(int); //!< This method allows to copy one block from another separated by the given offset
+};
+
+#endif

scumm/smush/brenderer.cpp

@@ -0,0 +1,75 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "brenderer.h"
+
+#include <assert.h>
+
+void BaseRenderer::clean() {
+	if(_data) {
+		delete[] _data;
+		_data = 0;
+		_width = _height = 0;
+	}
+}
+
+BaseRenderer::BaseRenderer() : 
+		_data(0), 
+		_frame(0), 
+		_nbframes(0), 
+		_width(0), 
+		_height(0) {
+}
+
+BaseRenderer::~BaseRenderer() { 
+	clean(); 
+}
+
+bool BaseRenderer::initFrame(const Point & p) {
+	clean();
+	_width = p.getX();
+	_height = p.getY();
+	assert(_width && _height);
+	_data = new char[_width * _height];
+	if(!_data) error("base_renderer unable to allocate frame buffer");
+	return true;
+}
+
+char * BaseRenderer::lockFrame(int frame) {
+	_frame = frame; 
+	if(!_data) error("no allocated image buffer in lock_frame");
+	return _data;
+}
+
+bool BaseRenderer::unlockFrame() {
+	return true;
+}
+
+bool BaseRenderer::flipFrame() { 
+	save();
+	return true;
+}
+
+bool BaseRenderer::setPalette(const Palette & pal) { 
+	_pal = pal; 
+	return true;
+}

scumm/smush/brenderer.h

@@ -0,0 +1,86 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __BRENDERER_H_
+#define __BRENDERER_H_
+
+#include "config.h"
+
+#include "renderer.h"
+#include "palette.h"
+#include "rect.h"
+
+/*! 	@brief base class for easily creating ::renderer instances
+
+	This class implements some function available in the ::renderer abstract class, so that 
+	creation of subclasses of ::renderer is easier.
+*/
+class BaseRenderer : public Renderer {
+private:
+	Palette _pal;		//!< The current palette
+	char * _data;		//!< The current frame buffer
+	int _frame;			//!< The current frame number
+	int _nbframes;		//!< The number of frames in the animation
+	int _width;			//!< The current frame's width
+	int _height;		//!< The current frame's height
+	const char * _fname;	//!< The filename of the animation being played
+protected:
+	virtual void save(int frame = -1) = 0;
+
+protected:
+	const char * getFilename() const { return _fname; };	//!< accessor for animation filename
+	int getNbframes() const { return _nbframes; };	//!< accessor for number of frames
+	int getWidth() const { return _width; };	//!< accessor for current width
+	int getHeight() const { return _height; };	//!< accessor for current height
+	const Palette & pal() const { return _pal; };	//!< accessor for current palette
+	const char * data() const { return _data; };	//!< accessor for current frame buffer
+	void clean();	//!< memory cleanup (deletes frame buffer)
+	void setFrame(int f) { _frame = f; };	//!< allows to change the frame number
+public:
+	int getFrame() const { return _frame; };	//!< accessor for current frame number
+	BaseRenderer();
+	virtual ~BaseRenderer();
+
+	virtual bool initFrame(const Point & size);
+	virtual char * lockFrame(int frame);
+	virtual bool unlockFrame();
+	virtual bool flipFrame();
+	virtual bool setPalette(const Palette & pal);
+	virtual bool startDecode(const char * fname, int version, int nbframes) { _fname = fname; _nbframes = nbframes; return true; }
+	virtual Mixer * getMixer() { return 0; };
+	virtual bool prematureClose() { return false; };
+};
+
+/*! 	@brief A null ::renderer
+
+	This class completely implements ::renderer, without actually doing anything.
+	This class is useful for performance measurements.
+*/
+class NullRenderer : public BaseRenderer {
+protected:
+	void save(int frame = -1) {};
+public:
+	NullRenderer() {};
+	virtual ~NullRenderer() {};
+	bool wait(int ms) { return true; };
+};
+
+#endif

scumm/smush/channel.h

@@ -0,0 +1,157 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __CHANNEL_H_
+#define __CHANNEL_H_
+
+#include "config.h"
+
+#ifdef DEBUG
+# ifndef NO_DEBUG_CHANNEL
+#  define DEBUG_CHANNEL
+# endif
+#else
+# ifdef DEBUG_CHANNEL
+#  error DEBUG_CHANNEL defined without DEBUG
+# endif
+#endif
+
+class Chunck;
+class ContChunck;
+	
+/*! 	@brief interface for a sound channel (a track)
+
+	This is the interface for sound channels. 
+*/
+class _Channel {
+public:
+	virtual ~_Channel() {};
+	// called by the smush_player
+	virtual bool appendData(Chunck & b, int size) = 0;
+	virtual bool setParameters(int, int, int, int) = 0;
+	virtual bool checkParameters(int, int, int, int, int) = 0;
+	// called by the mixer
+	virtual bool isTerminated() const = 0;
+	virtual int availableSoundData() const = 0;
+	virtual void getSoundData(short * sound_buffer, int size) = 0; // size is in sample 
+	virtual void getSoundData(char * sound_buffer, int size) = 0;
+	virtual bool getParameters(int &rate, bool &stereo, bool &is_16bit) = 0;
+	virtual int getTrackIdentifier() const = 0;
+};
+
+class SaudChannel : public _Channel {
+private:
+	int _track;				//!< The track identifier
+	int _nbframes;			//!< number of frames of the track (unused)
+	int _dataSize;			//!< the size of the sound buffer
+	int _frequency;			//!< the frequency target of the track (always 22050)
+	bool _inData;			//!< are we processing data ?
+	bool _markReached;		//!< set to \c true when the SMRK tag is reached
+	int _flags;				//!< current flags of the track (unused)
+	int _volume;			//!< the current track volume
+	int _balance;			//!< the current track balance
+	int _index;				//!< the current PSAD index (for coherency checking)
+	short _voltable[2][256];	//!< the precalculated volume table (stereo 16 bits)
+	unsigned char * _tbuffer;	//!< data temporary buffer
+	int _tbufferSize;			//!< temporary buffer size
+	unsigned char * _sbuffer;	//!< sound buffer
+	int _sbufferSize;			//!< sound buffer size
+
+protected:
+	void handleStrk(Chunck & c);
+	void handleSmrk(Chunck & c);
+	void handleShdr(Chunck & c);
+	bool handleSubTags(int & offset);
+	bool processBuffer();
+	void recalcVolumeTable();
+
+public:
+	SaudChannel(int track, int freq);
+	virtual ~SaudChannel();
+	bool isTerminated() const;
+	bool setParameters(int duration, int flags, int vol1, int vol2);
+	bool checkParameters(int index, int duration, int flags, int vol1, int vol2);
+	bool appendData(Chunck & b, int size);
+	int availableSoundData() const;
+	void getSoundData(short * sound_buffer, int size);
+	void getSoundData(char * sound_buffer, int size) { error("16bit request for SAUD channel should never happen"); };
+	bool getParameters(int &rate, bool &stereo, bool &is_16bit) { 
+		rate = _frequency;
+		stereo = true;
+		is_16bit = true;
+		return true;
+	};
+	virtual int getTrackIdentifier() const { return _track; };
+};
+
+/*! 	@brief class for a IACT sound ::channel (a The Dig track)
+
+	This class implements a channel specifically for The Dig.
+
+	\bug for unknown reason, some sound have a too long duration, or repeat themselves.
+*/
+class ImuseChannel : public _Channel {
+private:
+	int _track;				//!< the track number
+	unsigned char * _tbuffer;	//!< data temporary buffer
+	int _tbufferSize;			//!< temporary buffer size
+	unsigned char * _sbuffer;	//!< sound buffer
+	int _sbufferSize;			//!< sound buffer size
+	int _srbufferSize;
+	int _frequency;			//!< the target frequency of the ::mixer
+	int _dataSize;			//!< remaining size of sound data in the iMUS buffer
+	bool _inData;
+
+	int _bitsize;			//!< the bitsize of the original data
+	int _rate;				//!< the sampling rate of the original data
+	int _channels;			//!< the number of channels of the original data
+
+protected:
+	int decode(int size, int &ret);
+	void decode();
+	bool processBuffer();
+	bool handleMap(Chunck &);
+	bool handleFormat(Chunck &);
+	bool handleText(Chunck &);
+	bool handleRegion(Chunck &);
+	bool handleStop(Chunck &);
+	bool handleSubTags(int & offset);
+
+public:
+	ImuseChannel(int track, int freq);
+	virtual ~ImuseChannel();
+	bool isTerminated() const;
+	bool setParameters(int nbframes, int size, int unk1, int unk2);
+	bool checkParameters(int index, int nbframes, int size, int unk1, int unk2);
+	bool appendData(Chunck & b, int size);
+	int availableSoundData() const;
+	void getSoundData(short * sound_buffer, int size);
+	void getSoundData(char * sound_buffer, int size);
+	bool getParameters(int &rate, bool &stereo, bool &is_16bit) {
+		rate = _frequency;
+		stereo = (_channels == 2);
+		is_16bit = (_bitsize > 8);
+		return true;
+	};
+	virtual int getTrackIdentifier() const { return _track; };
+};
+
+#endif

scumm/smush/chunck.cpp

@@ -0,0 +1,288 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "chunck.h"
+
+#include <stdio.h> // for FILE, fopen, fclose, fseek and ftell
+#include <string.h> // for memcpy
+
+/*!	@brief very small and fast wrapper for a ifstream.
+
+	implements reference counting, so that ::file_chunck does not leak memory !
+*/
+class FilePtr {
+	char * _filename;
+	FILE * _ifs;
+	int _refcount;
+	int _curPos;
+public:
+	FilePtr(const char * fname) : _refcount(1), _curPos(0) {
+		debug(9, "FilePtr created for %s", fname);
+		_filename = strdup(fname);
+		_ifs  = fopen(fname, "rb");
+		if(_ifs == NULL) error("FilePtr unable to read file \"%s\"", fname);
+	}
+	~FilePtr() {
+		debug(9, "FilePtr destroyed for %s", _filename);
+		free(_filename);
+		fclose(_ifs);
+	}
+	int tell() {
+		return _curPos;
+	}
+	bool seek(int pos) {
+		if(pos != _curPos) {
+			fseek(_ifs, pos, SEEK_SET);
+			_curPos = pos;
+		}
+		return true;
+	}
+	bool read(void * ptr, int size) {
+		fread(ptr, size, 1, _ifs);
+		_curPos += size;
+		return true;
+	}
+	void incRef() {
+		_refcount++;
+	}
+	void decRef() {
+		if(--_refcount == 0)
+			delete this;
+	}
+};
+
+const char * Chunck::ChunckString(Chunck::type t) {
+	static char data[5];
+	data[0] = (char)((t >> 24) & 0xFF);
+	data[1] = (char)((t >> 16) & 0xFF);
+	data[2] = (char)((t >> 8) & 0xFF);
+	data[3] = (char)((t >> 0) & 0xFF);
+	data[4] = 0;
+	return data;
+}
+
+FileChunck::FileChunck() : _data(0), _type(0), _size(0), _curPos(0) {
+}
+
+FileChunck::~FileChunck() {
+	if(_data) _data->decRef();
+}
+
+FileChunck::FileChunck(const char * fname) {
+	_data = new FilePtr(fname);
+	_data->read(&_type, 4);
+	_type = TO_BE_32(_type);
+	_data->read(&_size, 4);
+	_size = TO_BE_32(_size);
+	_offset = _data->tell();
+	_curPos = 0;
+}
+
+Chunck::type FileChunck::getType() const { 
+	return _type; 
+}
+
+unsigned int FileChunck::getSize() const { 
+	return _size; 
+}
+
+Chunck * FileChunck::subBlock() {
+	FileChunck * ptr = new FileChunck;
+	ptr->_data = _data;
+	_data->incRef();
+	_data->seek(_offset + _curPos);
+	unsigned int temp;
+	_data->read(&temp, 4);
+	ptr->_type = TO_BE_32(temp);
+	_data->read(&temp, 4);
+	ptr->_size = TO_BE_32(temp);
+	ptr->_offset = _offset + _curPos + 8;
+	ptr->_curPos = 0;
+	seek(8 + ptr->getSize());
+	return ptr;
+}
+
+bool FileChunck::eof() const { 
+	return _curPos >= _size; 
+}
+
+unsigned int FileChunck::tell() const { 
+	return _curPos; 
+}
+
+bool FileChunck::seek(int delta, seek_type dir) {
+	switch(dir) {
+		case seek_cur:
+			_curPos += delta;
+			break;
+		case seek_start:
+			if(delta < 0) error("invalid seek request");
+			_curPos = (unsigned int)delta;
+			break;
+		case seek_end:
+			if(delta > 0 || (_size + delta) < 0) error("invalid seek request");
+			_curPos = (unsigned int)(_size + delta);
+			break;
+	}
+	if(_curPos > _size) {
+		error("invalid seek request : %d > %d (delta == %d)", _curPos, _size, delta);
+	}
+	return true;
+}
+
+bool FileChunck::read(void * buffer, unsigned int size) {
+	if(size <= 0 || (_curPos + size) > _size) error("invalid buffer read request");
+	_data->seek(_offset + _curPos);
+	_data->read(buffer, size);
+	_curPos += size;
+	return true;
+}
+
+char FileChunck::getChar() {
+	if(_curPos >= _size) error("invalid char read request");
+	_data->seek(_offset + _curPos);
+	char buffer;
+	_data->read(&buffer, sizeof(buffer));
+	_curPos+= sizeof(buffer);
+	return buffer;
+}
+
+unsigned char FileChunck::getByte() {
+	if(_curPos >= _size) error("invalid byte read request");
+	_data->seek(_offset + _curPos);
+	unsigned char buffer;
+	_data->read(&buffer, sizeof(buffer));
+	_curPos+= sizeof(buffer);
+	return buffer;
+}
+
+short FileChunck::getShort() {
+	unsigned short buffer = getWord();
+	return *((short*)&buffer);
+}
+
+unsigned short FileChunck::getWord() {
+	if(_curPos >= _size - 1) error("invalid word read request");
+	_data->seek(_offset + _curPos);
+	unsigned short buffer;
+	_data->read(&buffer, sizeof(buffer));
+	_curPos+= sizeof(buffer);
+	return TO_LE_16(buffer);
+}
+
+unsigned int FileChunck::getDword() {
+	if(_curPos >= _size - 3) error("invalid dword read request");
+	_data->seek(_offset + _curPos);
+	unsigned int buffer;
+	_data->read(&buffer, sizeof(buffer));
+	_curPos+= sizeof(buffer);
+	return TO_LE_32(buffer);
+}
+
+ContChunck::ContChunck(char * data) {
+	if(data == 0) error("Chunck() called with NULL pointer");
+	_type = (Chunck::type)READ_BE_UINT32(data);
+	_size = READ_BE_UINT32(data+4);
+	_data = data + sizeof(Chunck::type) + sizeof(unsigned int);
+	_curPos = 0;
+}
+
+Chunck::type ContChunck::getType() const { 
+	return _type; 
+}
+
+unsigned int ContChunck::getSize() const { 
+	return _size; 
+}
+
+Chunck * ContChunck::subBlock() {
+	ContChunck * ptr = new ContChunck(_data + _curPos);
+	seek(sizeof(Chunck::type) + sizeof(unsigned int) + ptr->getSize());
+	return ptr;
+}
+
+bool ContChunck::eof() const { 
+	return _curPos >= _size; 
+}
+
+unsigned int ContChunck::tell() const { 
+	return _curPos; 
+}
+
+bool ContChunck::seek(int delta, seek_type dir) {
+	switch(dir) {
+		case seek_cur:
+			_curPos += delta;
+			break;
+		case seek_start:
+			if(delta < 0) error("invalid seek request");
+			_curPos = (unsigned int)delta;
+			break;
+		case seek_end:
+			if(delta > 0 || (_size + delta) < 0) error("invalid seek request");
+			_curPos = (unsigned int)(_size + delta);
+			break;
+	}
+	if(_curPos > _size) {
+		error("invalid seek request : %d > %d (delta == %d)", _curPos, _size, delta);
+	}
+	return true;
+}
+
+bool ContChunck::read(void * buffer, unsigned int size) {
+	if(size <= 0 || (_curPos + size) > _size) error("invalid buffer read request");
+	memcpy(buffer, _data + _curPos, size);
+	_curPos += size;
+	return true;
+}
+
+char ContChunck::getChar() {
+	if(_curPos >= _size) error("invalid char read request");
+	return _data[_curPos++];
+}
+
+unsigned char ContChunck::getByte() {
+	if(_curPos >= _size) error("invalid byte read request");
+	unsigned char * ptr = (unsigned char *)(_data + _curPos);
+	_curPos += 1;
+	return *ptr;
+}
+
+short ContChunck::getShort() {
+	if(_curPos >= _size - 1) error("invalid short read request");
+	unsigned short buffer = getWord();
+	return *((short*)&buffer);
+}
+
+unsigned short ContChunck::getWord() {
+	if(_curPos >= _size - 1) error("invalid word read request");
+	unsigned short * ptr = (unsigned short *)(_data + _curPos);
+	_curPos += 2;
+	return READ_LE_UINT16(ptr);
+}
+
+unsigned int ContChunck::getDword() {
+	if(_curPos >= _size - 3) error("invalid dword read request");
+	unsigned int * ptr = (unsigned int *)(_data + _curPos);
+	_curPos += 4;
+	return READ_LE_UINT32(ptr);
+}

scumm/smush/chunck.h

@@ -0,0 +1,121 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __CHUNCK_H_
+#define __CHUNCK_H_
+
+#include "config.h"
+
+/*! 	@brief Interface for chunck handling
+
+	This class is an interface for reading from a chunck.
+
+	\todo handle big endian system.
+*/
+class Chunck {
+public:
+	enum seek_type { seek_start, seek_end, seek_cur };
+	virtual ~Chunck() {};
+	typedef unsigned int type;			//!< type of a chunck (i.e. The first 4byte field of the chunck structure).
+	/*!	@brief convert a type to a string
+		
+		Utility function that convert a type to a string.
+		
+		@param t the type to convert to a string
+		
+		@return the converted string
+	*/
+	static const char * ChunckString(type t);
+
+	virtual type getType() const = 0;	//!< return the type of the chunck
+	virtual unsigned int getSize() const = 0;	//!< return the size of the chunck
+	virtual Chunck * subBlock() = 0; //!< extract a subchunck from the current read position
+	virtual bool eof() const = 0;	//!< is the chunck completely read ?
+	virtual unsigned int tell() const = 0;	//!< get the chunck current read position
+	virtual bool seek(int delta, seek_type dir = seek_cur) = 0;	//!< move the current read position inside the chunck
+	virtual bool read(void * buffer, unsigned int size) = 0;		//!< read some data for the current read position
+	virtual char getChar() = 0;							//!< extract the character at the current read position
+	virtual unsigned char getByte() = 0;					//!< extract the byte at the current read position
+	virtual short getShort() = 0;						//!< extract the short at the current read position
+	virtual unsigned short getWord() = 0;					//!< extract the word at the current read position
+	virtual unsigned int getDword()= 0;					//!< extract the dword at the current read position
+};
+
+class FilePtr;
+
+/*! 	@brief file based ::chunck
+
+	This class is an implementation of ::chunck that handles file.
+
+*/
+class FileChunck : public Chunck {
+private:
+	FilePtr * _data;
+	type _type;
+	unsigned int _size;
+	unsigned int _offset;
+	unsigned int _curPos;
+protected:
+	FileChunck();
+public:
+	FileChunck(const char * fname);
+	virtual ~FileChunck();
+	type getType() const;
+	unsigned int getSize() const;
+	Chunck * subBlock();
+	bool eof() const;
+	unsigned int tell() const;
+	bool seek(int delta, seek_type dir = seek_cur);
+	bool read(void * buffer, unsigned int size);
+	char getChar();
+	unsigned char getByte();
+	short getShort();
+	unsigned short getWord();
+	unsigned int getDword();
+};
+
+/*! 	@brief memory based ::chunck
+
+	This class is an implementation of ::chunck that handles a memory buffer.
+*/
+class ContChunck : public Chunck {
+private:
+	char * _data;
+	Chunck::type _type;
+	unsigned int _size;
+	unsigned int _curPos;
+public:
+	ContChunck(char * data);
+	Chunck::type getType() const;
+	unsigned int getSize() const;
+	Chunck * subBlock();
+	bool eof() const;
+	unsigned int tell() const;
+	bool seek(int delta, seek_type dir = seek_cur);
+	bool read(void * buffer, unsigned int size);
+	char getChar();
+	unsigned char getByte();
+	short getShort();
+	unsigned short getWord();
+	unsigned int getDword();
+};
+
+#endif

scumm/smush/chunck_type.h

@@ -0,0 +1,57 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __CHUNCK_TYPE_H
+#define __CHUNCK_TYPE_H
+
+#include "chunck.h"
+
+#define MAKE_TYPE(a,b,c,d) (Chunck::type)( ((a) << 24) | ((b) << 16) | ((c) << 8) | (d) )
+
+static const Chunck::type TYPE_ANIM = MAKE_TYPE('A', 'N', 'I', 'M');
+static const Chunck::type TYPE_AHDR = MAKE_TYPE('A', 'H', 'D', 'R');
+static const Chunck::type TYPE_FRME = MAKE_TYPE('F', 'R', 'M', 'E');
+static const Chunck::type TYPE_NPAL = MAKE_TYPE('N', 'P', 'A', 'L');
+static const Chunck::type TYPE_FOBJ = MAKE_TYPE('F', 'O', 'B', 'J');
+static const Chunck::type TYPE_PSAD = MAKE_TYPE('P', 'S', 'A', 'D');
+static const Chunck::type TYPE_TRES = MAKE_TYPE('T', 'R', 'E', 'S');
+static const Chunck::type TYPE_XPAL = MAKE_TYPE('X', 'P', 'A', 'L');
+static const Chunck::type TYPE_IACT = MAKE_TYPE('I', 'A', 'C', 'T');
+static const Chunck::type TYPE_STOR = MAKE_TYPE('S', 'T', 'O', 'R');
+static const Chunck::type TYPE_FTCH = MAKE_TYPE('F', 'T', 'C', 'H');
+static const Chunck::type TYPE_SKIP = MAKE_TYPE('S', 'K', 'I', 'P');
+static const Chunck::type TYPE_STRK = MAKE_TYPE('S', 'T', 'R', 'K');
+static const Chunck::type TYPE_SMRK = MAKE_TYPE('S', 'M', 'R', 'K');
+static const Chunck::type TYPE_SHDR = MAKE_TYPE('S', 'H', 'D', 'R');
+static const Chunck::type TYPE_SDAT = MAKE_TYPE('S', 'D', 'A', 'T');
+static const Chunck::type TYPE_SAUD = MAKE_TYPE('S', 'A', 'U', 'D');
+static const Chunck::type TYPE_iMUS = MAKE_TYPE('i', 'M', 'U', 'S');
+static const Chunck::type TYPE_FRMT = MAKE_TYPE('F', 'R', 'M', 'T');
+static const Chunck::type TYPE_TEXT = MAKE_TYPE('T', 'E', 'X', 'T');
+static const Chunck::type TYPE_REGN = MAKE_TYPE('R', 'E', 'G', 'N');
+static const Chunck::type TYPE_STOP = MAKE_TYPE('S', 'T', 'O', 'P');
+static const Chunck::type TYPE_MAP_ = MAKE_TYPE('M', 'A', 'P', ' ');
+static const Chunck::type TYPE_DATA = MAKE_TYPE('D', 'A', 'T', 'A');
+static const Chunck::type TYPE_ETRS = MAKE_TYPE('E', 'T', 'R', 'S');
+
+#undef MAKE_TYPE
+
+#endif

scumm/smush/codec1.cpp

@@ -0,0 +1,76 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "codec1.h"
+#include "chunck.h"
+#include "blitter.h"
+
+Codec1Decoder::~Codec1Decoder() {
+}
+
+bool Codec1Decoder::decode(Blitter & dst, Chunck & src) {
+	int val;
+	int size_line;
+	int code, length;
+	int h, height = getRect().height();
+
+	for(h = 0; h < height; h++) {
+		size_line = src.getWord(); // size of compressed line !
+#ifdef DEBUG_CODEC1
+		debug(7, "codec1 : h == %d, size_line == %d", h, size_line);
+#endif
+		while(size_line > 0) {
+			code = src.getByte();
+			size_line --;
+			length = (code >> 1) + 1;
+#ifdef DEBUG_CODEC1
+			debug(7, "codec1 : length == %d", length);
+#endif
+			if(code & 1) {
+				val = src.getByte();
+				size_line --;
+				if(val) dst.put(val, length);
+				else dst.advance(length);
+#ifdef DEBUG_CODEC1
+			debug(7, "codec1 : blitting %d times %d", length, val);
+#endif
+			} else {
+				size_line -= length;
+#ifdef DEBUG_CODEC1
+				debug(7, "codec1 : blitting %d entries", length);
+#endif
+				while(length--) {
+					val = src.getByte();
+					if(val) dst.put(val);
+					else dst.advance();
+				}
+			}
+		}
+	}
+#ifdef DEBUG_CODEC1
+	if(!src.eof()) {
+		int len = src.getSize() - src.tell();
+		debug(7, "codec1: remaining length after decode == %d", len);
+	}
+#endif
+	return true;
+}

scumm/smush/codec1.h

@@ -0,0 +1,48 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __CODEC1_H_
+#define __CODEC1_H_
+
+#include "config.h"
+
+#ifdef DEBUG
+# ifndef NO_DEBUG_CODEC1
+#  define DEBUG_CODEC1
+# endif
+#else
+# ifdef DEBUG_CODEC1
+#  error DEBUG_CODEC1 defined without DEBUG
+# endif
+#endif
+
+#include "decoder.h"
+
+/*!	@brief ::decoder for codec 1 and 3.
+
+*/
+class Codec1Decoder : public Decoder {
+public:
+	virtual ~Codec1Decoder();
+	bool decode(Blitter &, Chunck &);
+};
+
+#endif

scumm/smush/codec37.cpp

@@ -0,0 +1,436 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "codec37.h"
+#include "chunck.h"
+#include "blitter.h"
+
+#include <assert.h>
+#include <string.h> // for memset
+
+bool Codec37Decoder::initSize(const Point & p, const Rect & r) {
+	if(r.width() != getRect().width() && r.height() != getRect().height()) {
+		if(
+			(r.width() != 320 || r.height() != 200) && 
+			(r.width() != 384 || r.height() != 242) && 
+			(r.width() != 640 || r.height() != 480)
+			)
+			return false;
+		Decoder::initSize(p, r);
+		clean();
+		int frame_size = getRect().width() * getRect().height();
+		_deltaSize = frame_size * 2 + DELTA_ADD * 4;
+		_deltaBuf = new  unsigned char[_deltaSize];
+		if(_deltaBuf == 0) error("unable to allocate decoder buffer");
+		_deltaBufs[0] = _deltaBuf + DELTA_ADD;
+		_deltaBufs[1] = _deltaBuf + frame_size + DELTA_ADD * 3;
+		_offsetTable = new short[255];
+		if(_offsetTable == 0) error("unable to allocate decoder offset table");
+		_tableLastPitch = -1;
+		_tableLastIndex = -1;
+		return true; 
+	}
+	return false;
+}
+
+Codec37Decoder::Codec37Decoder() {
+	_deltaSize = 0;
+	_deltaBuf = 0;
+	_deltaBufs[0] = 0;
+	_deltaBufs[1] = 0;
+	_curtable = 0;
+	_offsetTable = 0;
+	_tableLastPitch = -1;
+	_tableLastIndex = -1;
+	_prevSeqNb = 32768; // Some invalid number
+}
+
+void Codec37Decoder::clean() {
+	if(_offsetTable) {
+		delete []_offsetTable;
+		_offsetTable = 0;
+		_tableLastPitch = -1;
+		_tableLastIndex = -1;
+	}
+	if(_deltaBuf) {
+		delete []_deltaBuf;
+		_deltaSize = 0;
+		_deltaBuf = 0;
+		_deltaBufs[0] = 0;
+		_deltaBufs[1] = 0;
+	}
+}
+
+Codec37Decoder::~Codec37Decoder() {
+	clean();
+}
+
+void Codec37Decoder::maketable(int pitch, int index) {
+	static const char maketable_bytes[] = {
+		0, 0, 1, 0, 2, 0, 3, 0, 5, 0, 8, 0, 13, 0, 21, 0,
+		-1, 0, -2, 0, -3, 0, -5, 0, -8, 0, -13, 0, -17, 0, -21, 0,
+		0, 1, 1, 1, 2, 1, 3, 1, 5, 1, 8, 1, 13, 1, 21, 1,
+		-1, 1, -2, 1, -3, 1, -5, 1, -8, 1, -13, 1, -17, 1, -21, 1,
+		0, 2, 1, 2, 2, 2, 3, 2, 5, 2, 8, 2, 13, 2, 21, 2,
+		-1, 2, -2, 2, -3, 2, -5, 2, -8, 2, -13, 2, -17, 2, -21, 2,
+		0, 3, 1, 3, 2, 3, 3, 3, 5, 3, 8, 3, 13, 3, 21, 3,
+		-1, 3, -2, 3, -3, 3, -5, 3, -8, 3, -13, 3, -17, 3, -21, 3,
+		0, 5, 1, 5, 2, 5, 3, 5, 5, 5, 8, 5, 13, 5, 21, 5,
+		-1, 5, -2, 5, -3, 5, -5, 5, -8, 5, -13, 5, -17, 5, -21, 5,
+		0, 8, 1, 8, 2, 8, 3, 8, 5, 8, 8, 8, 13, 8, 21, 8,
+		-1, 8, -2, 8, -3, 8, -5, 8, -8, 8, -13, 8, -17, 8, -21, 8,
+		0, 13, 1, 13, 2, 13, 3, 13, 5, 13, 8, 13, 13, 13, 21, 13,
+		-1, 13, -2, 13, -3, 13, -5, 13, -8, 13, -13, 13, -17, 13, -21, 13,
+		0, 21, 1, 21, 2, 21, 3, 21, 5, 21, 8, 21, 13, 21, 21, 21,
+		-1, 21, -2, 21, -3, 21, -5, 21, -8, 21, -13, 21, -17, 21, -21, 21,
+		0, -1, 1, -1, 2, -1, 3, -1, 5, -1, 8, -1, 13, -1, 21, -1,
+		-1, -1, -2, -1, -3, -1, -5, -1, -8, -1, -13, -1, -17, -1, -21, -1,
+		0, -2, 1, -2, 2, -2, 3, -2, 5, -2, 8, -2, 13, -2, 21, -2,
+		-1, -2, -2, -2, -3, -2, -5, -2, -8, -2, -13, -2, -17, -2, -21, -2,
+		0, -3, 1, -3, 2, -3, 3, -3, 5, -3, 8, -3, 13, -3, 21, -3,
+		-1, -3, -2, -3, -3, -3, -5, -3, -8, -3, -13, -3, -17, -3, -21, -3,
+		0, -5, 1, -5, 2, -5, 3, -5, 5, -5, 8, -5, 13, -5, 21, -5,
+		-1, -5, -2, -5, -3, -5, -5, -5, -8, -5, -13, -5, -17, -5, -21, -5,
+		0, -8, 1, -8, 2, -8, 3, -8, 5, -8, 8, -8, 13, -8, 21, -8,
+		-1, -8, -2, -8, -3, -8, -5, -8, -8, -8, -13, -8, -17, -8, -21, -8,
+		0, -13, 1, -13, 2, -13, 3, -13, 5, -13, 8, -13, 13, -13, 21, -13,
+		-1, -13, -2, -13, -3, -13, -5, -13, -8, -13, -13, -13, -17, -13, -21, -13,
+		0, -17, 1, -17, 2, -17, 3, -17, 5, -17, 8, -17, 13, -17, 21, -17,
+		-1, -17, -2, -17, -3, -17, -5, -17, -8, -17, -13, -17, -17, -17, -21, -17,
+		0, -21, 1, -21, 2, -21, 3, -21, 5, -21, 8, -21, 13, -21, 21, -21,
+		-1, -21, -2, -21, -3, -21, -5, -21, -8, -21, -13, -21, -17, -21, 0, 0,
+		-8, -29, 8, -29, -18, -25, 17, -25, 0, -23, -6, -22, 6, -22, -13, -19,
+		12, -19, 0, -18, 25, -18, -25, -17, -5, -17, 5, -17, -10, -15, 10, -15,
+		0, -14, -4, -13, 4, -13, 19, -13, -19, -12, -8, -11, -2, -11, 0, -11,
+		2, -11, 8, -11, -15, -10, -4, -10, 4, -10, 15, -10, -6, -9, -1, -9,
+		1, -9, 6, -9, -29, -8, -11, -8, -8, -8, -3, -8, 3, -8, 8, -8,
+		11, -8, 29, -8, -5, -7, -2, -7, 0, -7, 2, -7, 5, -7, -22, -6,
+		-9, -6, -6, -6, -3, -6, -1, -6, 1, -6, 3, -6, 6, -6, 9, -6,
+		22, -6, -17, -5, -7, -5, -4, -5, -2, -5, 0, -5, 2, -5, 4, -5,
+		7, -5, 17, -5, -13, -4, -10, -4, -5, -4, -3, -4, -1, -4, 0, -4,
+		1, -4, 3, -4, 5, -4, 10, -4, 13, -4, -8, -3, -6, -3, -4, -3,
+		-3, -3, -2, -3, -1, -3, 0, -3, 1, -3, 2, -3, 4, -3, 6, -3,
+		8, -3, -11, -2, -7, -2, -5, -2, -3, -2, -2, -2, -1, -2, 0, -2,
+		1, -2, 2, -2, 3, -2, 5, -2, 7, -2, 11, -2, -9, -1, -6, -1,
+		-4, -1, -3, -1, -2, -1, -1, -1, 0, -1, 1, -1, 2, -1, 3, -1,
+		4, -1, 6, -1, 9, -1, -31, 0, -23, 0, -18, 0, -14, 0, -11, 0,
+		-7, 0, -5, 0, -4, 0, -3, 0, -2, 0, -1, 0, 0, -31, 1, 0,
+		2, 0, 3, 0, 4, 0, 5, 0, 7, 0, 11, 0, 14, 0, 18, 0,
+		23, 0, 31, 0, -9, 1, -6, 1, -4, 1, -3, 1, -2, 1, -1, 1,
+		0, 1, 1, 1, 2, 1, 3, 1, 4, 1, 6, 1, 9, 1, -11, 2,
+		-7, 2, -5, 2, -3, 2, -2, 2, -1, 2, 0, 2, 1, 2, 2, 2,
+		3, 2, 5, 2, 7, 2, 11, 2, -8, 3, -6, 3, -4, 3, -2, 3,
+		-1, 3, 0, 3, 1, 3, 2, 3, 3, 3, 4, 3, 6, 3, 8, 3,
+		-13, 4, -10, 4, -5, 4, -3, 4, -1, 4, 0, 4, 1, 4, 3, 4,
+		5, 4, 10, 4, 13, 4, -17, 5, -7, 5, -4, 5, -2, 5, 0, 5,
+		2, 5, 4, 5, 7, 5, 17, 5, -22, 6, -9, 6, -6, 6, -3, 6,
+		-1, 6, 1, 6, 3, 6, 6, 6, 9, 6, 22, 6, -5, 7, -2, 7,
+		0, 7, 2, 7, 5, 7, -29, 8, -11, 8, -8, 8, -3, 8, 3, 8,
+		8, 8, 11, 8, 29, 8, -6, 9, -1, 9, 1, 9, 6, 9, -15, 10,
+		-4, 10, 4, 10, 15, 10, -8, 11, -2, 11, 0, 11, 2, 11, 8, 11,
+		19, 12, -19, 13, -4, 13, 4, 13, 0, 14, -10, 15, 10, 15, -5, 17,
+		5, 17, 25, 17, -25, 18, 0, 18, -12, 19, 13, 19, -6, 22, 6, 22,
+		0, 23, -17, 25, 18, 25, -8, 29, 8, 29, 0, 31, 0, 0, -6, -22,
+		6, -22, -13, -19, 12, -19, 0, -18, -5, -17, 5, -17, -10, -15, 10, -15,
+		0, -14, -4, -13, 4, -13, 19, -13, -19, -12, -8, -11, -2, -11, 0, -11,
+		2, -11, 8, -11, -15, -10, -4, -10, 4, -10, 15, -10, -6, -9, -1, -9,
+		1, -9, 6, -9, -11, -8, -8, -8, -3, -8, 0, -8, 3, -8, 8, -8,
+		11, -8, -5, -7, -2, -7, 0, -7, 2, -7, 5, -7, -22, -6, -9, -6,
+		-6, -6, -3, -6, -1, -6, 1, -6, 3, -6, 6, -6, 9, -6, 22, -6,
+		-17, -5, -7, -5, -4, -5, -2, -5, -1, -5, 0, -5, 1, -5, 2, -5,
+		4, -5, 7, -5, 17, -5, -13, -4, -10, -4, -5, -4, -3, -4, -2, -4,
+		-1, -4, 0, -4, 1, -4, 2, -4, 3, -4, 5, -4, 10, -4, 13, -4,
+		-8, -3, -6, -3, -4, -3, -3, -3, -2, -3, -1, -3, 0, -3, 1, -3,
+		2, -3, 3, -3, 4, -3, 6, -3, 8, -3, -11, -2, -7, -2, -5, -2,
+		-4, -2, -3, -2, -2, -2, -1, -2, 0, -2, 1, -2, 2, -2, 3, -2,
+		4, -2, 5, -2, 7, -2, 11, -2, -9, -1, -6, -1, -5, -1, -4, -1,
+		-3, -1, -2, -1, -1, -1, 0, -1, 1, -1, 2, -1, 3, -1, 4, -1,
+		5, -1, 6, -1, 9, -1, -23, 0, -18, 0, -14, 0, -11, 0, -7, 0,
+		-5, 0, -4, 0, -3, 0, -2, 0, -1, 0, 0, -23, 1, 0, 2, 0,
+		3, 0, 4, 0, 5, 0, 7, 0, 11, 0, 14, 0, 18, 0, 23, 0,
+		-9, 1, -6, 1, -5, 1, -4, 1, -3, 1, -2, 1, -1, 1, 0, 1,
+		1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 9, 1, -11, 2,
+		-7, 2, -5, 2, -4, 2, -3, 2, -2, 2, -1, 2, 0, 2, 1, 2,
+		2, 2, 3, 2, 4, 2, 5, 2, 7, 2, 11, 2, -8, 3, -6, 3,
+		-4, 3, -3, 3, -2, 3, -1, 3, 0, 3, 1, 3, 2, 3, 3, 3,
+		4, 3, 6, 3, 8, 3, -13, 4, -10, 4, -5, 4, -3, 4, -2, 4,
+		-1, 4, 0, 4, 1, 4, 2, 4, 3, 4, 5, 4, 10, 4, 13, 4,
+		-17, 5, -7, 5, -4, 5, -2, 5, -1, 5, 0, 5, 1, 5, 2, 5,
+		4, 5, 7, 5, 17, 5, -22, 6, -9, 6, -6, 6, -3, 6, -1, 6,
+		1, 6, 3, 6, 6, 6, 9, 6, 22, 6, -5, 7, -2, 7, 0, 7,
+		2, 7, 5, 7, -11, 8, -8, 8, -3, 8, 0, 8, 3, 8, 8, 8,
+		11, 8, -6, 9, -1, 9, 1, 9, 6, 9, -15, 10, -4, 10, 4, 10,
+		15, 10, -8, 11, -2, 11, 0, 11, 2, 11, 8, 11, 19, 12, -19, 13,
+		-4, 13, 4, 13, 0, 14, -10, 15, 10, 15, -5, 17, 5, 17, 0, 18,
+		-12, 19, 13, 19, -6, 22, 6, 22, 0, 23,
+	};
+
+	if (_tableLastPitch == pitch && _tableLastIndex == index)
+		return;
+#ifdef DEBUG_CODEC37
+	debug(7, "codec37::maketable(%d, %d) called", pitch, index);
+#endif
+	_tableLastPitch = pitch;
+	_tableLastIndex = index;
+	index *= 255;
+	assert(index + 254 < (int)(sizeof(maketable_bytes) / 2));
+
+	for (int i = 0; i < 255; i++) {
+		int j = (i + index) << 1; // * 2
+		_offsetTable[i] = maketable_bytes[j + 1] * pitch + maketable_bytes[j];
+	}
+}
+
+void Codec37Decoder::proc1(Blitter & dst, Chunck & src, int next_offs, int bw, int bh, int size) {
+	unsigned char * decoded = new unsigned char[size];
+	int w = 0;
+	while(!src.eof()) {
+		int code = src.getByte();
+		int length = (code >> 1) + 1;
+		if (code & 1) {
+			unsigned char val = src.getByte();
+			while(length--)
+				decoded[w++] = val;
+		} else {
+			while(length--) {
+				decoded[w++] = src.getByte();
+			}
+		}
+	}
+	assert(w == size);
+	w = 0;
+	// Now we have our stream ready...
+	for(int i = 0; i < size; i++) {
+		if(decoded[i] == 0xFF) {
+			dst.putBlock(decoded + i + 1);
+			i += 16;
+		} else {
+			dst.blockCopy(_offsetTable[decoded[i]] + next_offs);
+		}
+		if(++w == bw) {
+			w = 0;
+			dst.advance(0, 3);
+		}
+	}
+	delete []decoded;
+}
+
+void Codec37Decoder::proc2(Blitter & dst, Chunck & src, int size) { // This is codec1 like...
+#ifdef DEBUG_CODEC37_PROC2
+	int decoded_size = 0;
+	int coded_size = 0;
+#endif
+	do {
+		int code = src.getByte();
+		int length = (code >> 1) + 1;
+		size -= length;
+#ifdef DEBUG_CODEC37_PROC2
+		decoded_size += length;
+		coded_size += 1 + ((code & 1) ? 1 : length);
+
+		debug(7, "proc2() : code == %d : length == %d : decoded_size == %d : coded_size == %d : seek - header == %d : size == %d",
+			code, length, decoded_size, coded_size, src.tell() - 31, size + decoded_size);
+#endif
+		if (code & 1)
+			dst.put(src.getChar(), length);
+		else
+			// while(length--) dst.put(src.get_char());
+			dst.blit(src, length);
+	} while (size);
+}
+
+void Codec37Decoder::proc3WithFDFE(Blitter & dst, Chunck & src, int next_offs, int bw, int bh) {
+	do {
+		int i = bw;
+		do {
+			int code = src.getByte();
+			if (code == 0xFD) {
+#ifdef USE_COLOR_CODE_FOR_BLOCK
+				dst.putBlock(expand(1));
+#else
+				dst.putBlock(expand(src.getByte()));
+#endif
+			} else if (code == 0xFE) {
+#ifdef USE_COLOR_CODE_FOR_BLOCK
+				dst.putBlock(expand(2));
+#else
+				dst.putBlock(expand(src.getByte()), expand(src.getByte()), expand(src.getByte()), expand(src.getByte()));
+#endif
+			} else if (code == 0xFF) {
+#ifdef USE_COLOR_CODE_FOR_BLOCK
+				dst.putBlock(expand(3));
+#else
+				dst.putBlock(src);
+#endif
+			} else {
+#ifdef USE_COLOR_CODE_FOR_BLOCK
+				dst.putBlock(expand(4));
+#else
+				dst.blockCopy(_offsetTable[code] + next_offs); // copy from an offset !
+#endif
+			}
+		} while (--i);
+		dst.advance(0, 3); // advance 3 lines
+	} while (--bh);
+}
+
+void Codec37Decoder::proc3WithoutFDFE(Blitter & dst, Chunck & src, int next_offs, int bw, int bh) {
+	do {
+		int i = bw;
+		do {
+			int code = src.getByte();
+			if (code == 0xFF) {
+#ifdef USE_COLOR_CODE_FOR_BLOCK
+				dst.putBlock(expand(5));
+#else
+				dst.putBlock(src);
+#endif
+			} else {
+#ifdef USE_COLOR_CODE_FOR_BLOCK
+				dst.putBlock(expand(6));
+#else
+				dst.blockCopy(_offsetTable[code] + next_offs); // copy from an offset !
+#endif
+			}
+		} while (--i);
+		dst.advance(0, 3); // advance 3 lines
+	} while (--bh);
+}
+
+void Codec37Decoder::proc4(Blitter & dst, Chunck & src, int next_offs, int bw, int bh) {
+#ifdef DEBUG_CODEC37_PROC4
+	int b_nb = 0;
+#endif
+	do {
+		int i = bw;
+		do {
+			int code = src.getByte();
+			if (code == 0xFD) {
+#ifdef USE_COLOR_CODE_FOR_BLOCK
+				dst.putBlock(expand(7));
+#else
+				dst.putBlock(expand(src.getByte()));
+#endif
+			} else if (code == 0xFE) {
+#ifdef USE_COLOR_CODE_FOR_BLOCK
+				dst.putBlock(expand(8));
+#else
+				dst.putBlock(expand(src.getByte()), expand(src.getByte()), expand(src.getByte()), expand(src.getByte()));
+#endif
+			} else if (code == 0xFF) {
+#ifdef USE_COLOR_CODE_FOR_BLOCK
+				dst.putBlock(expand(9));
+#else
+				dst.putBlock(src);
+#endif
+			} else if (code == 0x00) {
+				int length = src.getByte() + 1;
+				for (int l = 0; l < length; l++) {
+#ifdef USE_COLOR_CODE_FOR_BLOCK
+					dst.putBlock(expand(10));
+#else
+					dst.blockCopy(next_offs);
+#endif
+					i--;
+					if (i == 0) {
+						dst.advance(0, 3); // advance 3 lines
+						bh--;
+						i = bw;
+					}
+				}
+				if(bh == 0) return;
+				i++;
+			} else {
+#ifdef USE_COLOR_CODE_FOR_BLOCK
+				dst.putBlock(expand(11));
+#else
+				dst.blockCopy(_offsetTable[code] + next_offs); // copy from an offset !
+#endif
+			}
+		} while (--i);
+		dst.advance(0, 3); // advance 3 lines
+	} while (--bh);
+}
+
+bool Codec37Decoder::decode(Blitter & dst, Chunck & src) {
+	int width = getRect().width();
+	int height = getRect().height();
+	int bw = (width + 3) >> 2, bh = (height + 3) >> 2;
+	int pitch = bw << 2;
+#ifdef DEBUG_CODEC37
+	debug(7, "codec37::decode() : width == %d : height == %d : pitch == %d : _prevSeqNb == %d",
+		width, height, pitch, _prevSeqNb);
+#endif
+	int code = src.getByte();			// 0 -> 1	(1)
+	int index = src.getByte();			// 1 -> 2	(1)
+	unsigned short seq_nb	= src.getWord();	// 2 -> 4	(2)
+	unsigned int decoded_size = src.getDword();	// 4 -> 8	(4)
+#ifdef DEBUG_CODEC37
+	unsigned int coded_size	= src.getDword();	// 8 -> 12	(4)
+#else
+	src.seek(4);
+#endif
+	unsigned int mask_flag	= src.getDword();	// 12 -> 16	(4)
+#ifdef DEBUG_CODEC37
+	debug(7, "codec37::decode() : code == %d : index == %d : seq_nb == %d : decoded_size == %d : coded_size == %d : mask_flag == %d",
+		code, index, seq_nb, decoded_size, coded_size, mask_flag);
+#endif
+	maketable(pitch, index);
+	if(code == 3 || code == 4 || code == 1) {
+		assert(seq_nb && _prevSeqNb + 1 == seq_nb);
+		if (seq_nb & 1 || !(mask_flag & 1)) _curtable ^= 1;
+	}
+	Blitter blit((char *)_deltaBufs[_curtable], Point(width, height), Rect(0, 0, width, height));
+	switch(code) {
+	case 0:
+		memset(_deltaBuf, 0, _deltaBufs[_curtable] - _deltaBuf);
+		memset(_deltaBufs[_curtable] + decoded_size, 0, _deltaBuf + _deltaSize - _deltaBufs[_curtable] - decoded_size);
+		blit.blit(src, decoded_size);
+		break;
+	case 1:
+		proc1(blit, src, _deltaBufs[_curtable ^ 1] - _deltaBufs[_curtable], bw, bh, decoded_size);
+		break;
+	case 2:
+		memset(_deltaBuf, 0, _deltaBufs[_curtable] - _deltaBuf);
+		memset(_deltaBufs[_curtable] + decoded_size, 0, _deltaBuf + _deltaSize - _deltaBufs[_curtable] - decoded_size);
+		proc2(blit, src, decoded_size);
+		break;
+	case 3:
+		if(mask_flag & 1)
+			proc3WithFDFE(blit, src, _deltaBufs[_curtable ^ 1] - _deltaBufs[_curtable], bw, bh);
+		else
+			proc3WithoutFDFE(blit, src, _deltaBufs[_curtable ^ 1] - _deltaBufs[_curtable], bw, bh);
+		break;
+	case 4:
+		proc4(blit, src, _deltaBufs[_curtable ^ 1] - _deltaBufs[_curtable], bw, bh);
+		break;
+	default:
+#ifdef DEBUG_CODEC37
+		error("codec37::decode() received an invalid code : %d", code);
+#endif
+		break;
+	}
+	dst.blit((char*)_deltaBufs[_curtable], width * height);
+	_prevSeqNb = seq_nb;
+	return true;
+}
+

scumm/smush/codec37.h

@@ -0,0 +1,86 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __CODEC37_H_
+#define __CODEC37_H_
+
+#include "config.h"
+
+#ifdef DEBUG
+# ifndef NO_DEBUG_CODEC37
+#  define DEBUG_CODEC37
+# endif
+#else
+# ifdef DEBUG_CODEC37
+#  error DEBUG_CODEC37 defined without DEBUG
+# endif
+#endif
+
+#ifdef DEBUG_CODEC37
+# ifndef NO_DEBUG_CODEC37_PROCS
+#  define DEBUG_CODEC37_PROC1
+#  define DEBUG_CODEC37_PROC2
+#  define DEBUG_CODEC37_PROC3
+#  define DEBUG_CODEC37_PROC4
+# endif
+#endif
+
+#include "decoder.h"
+
+/*!	@brief ::decoder for codec 37.
+
+*/
+
+#define DELTA_ADD 0x3E00	// what is this 0x3E00 ?? == 320*200/4 - 128
+				// It looks like it is a safe-guarding protection from bugs., but maybe not...
+
+class Codec37Decoder : public Decoder {
+private:
+	int _deltaSize;
+	unsigned char * _deltaBufs[2];
+	unsigned char * _deltaBuf;
+	short * _offsetTable;
+	int _curtable;
+	unsigned short _prevSeqNb;
+	int _tableLastPitch;
+	int _tableLastIndex;
+
+public:
+	bool initSize(const Point &, const Rect &);
+	Codec37Decoder();
+	void clean();
+	virtual ~Codec37Decoder();
+protected:
+	static inline unsigned int expand(unsigned char b) {
+		unsigned int r = b | (b << 8);
+		return r | (r << 16);
+	}
+	void maketable(int, int);
+	void proc1(Blitter &, Chunck &, int, int, int, int);
+	void proc2(Blitter &, Chunck &, int);
+	void proc3WithFDFE(Blitter &, Chunck &, int, int, int);
+	void proc3WithoutFDFE(Blitter &, Chunck &, int, int, int);
+	void proc4(Blitter &, Chunck &, int, int, int);
+public:
+	bool decode(Blitter &, Chunck &);
+};
+
+#endif

scumm/smush/codec44.cpp

@@ -0,0 +1,71 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "codec44.h"
+#include "chunck.h"
+#include "blitter.h"
+
+bool Codec44Decoder::decode(Blitter & dst, Chunck & src) {
+	int size_line;
+	int num;
+	int w, width = getRect().width() + 1;
+	int h, height = getRect().height() + 1;
+	bool zero;
+#ifdef DEBUG_CODEC44
+	debug(7, "codec44 : %dx%d", width, height);
+#endif
+
+	for(h = 0; h < height - 1; h++) {
+		w = width;
+		size_line = src.getWord(); // size of compressed line !
+#ifdef DEBUG_CODEC44
+		debug(7, "codec44 : h == %d, size_line == %d", h, size_line);
+#endif
+		zero = true;
+		while(size_line > 1) {
+			num = src.getWord();
+			size_line -= 2;
+			if(zero) {
+#ifdef DEBUG_CODEC44
+				debug(7, "codec44 : zeroing %d, entries", num);
+#endif
+				if(w == num)
+					num--;
+				w -= num;
+				if(num)
+					dst.put(0, num);
+			} else {
+				num += 1;
+#ifdef DEBUG_CODEC44
+				debug(7, "codec44 : blitting %d, entries", num);
+#endif
+				if(w == num)
+					num--;
+				w -= num;
+				dst.blit(src, num);
+				size_line -= num;
+			}
+			zero = !zero;
+		}
+	}
+	return true;
+}

scumm/smush/codec44.h

@@ -0,0 +1,47 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __CODEC44_H_
+#define __CODEC44_H_
+
+#include "config.h"
+
+#ifdef DEBUG
+# ifndef NO_DEBUG_CODEC44
+#  define DEBUG_CODEC44
+# endif
+#else
+# ifdef DEBUG_CODEC44
+#  error DEBUG_CODEC44 defined without DEBUG
+# endif
+#endif
+
+#include "decoder.h"
+
+/*!	@brief ::decoder for codec 21 and 44.
+
+*/
+class Codec44Decoder : public Decoder {
+public:
+	bool decode(Blitter & dst, Chunck & src);
+};
+
+#endif

scumm/smush/codec47.cpp

@@ -0,0 +1,51 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "codec47.h"
+#include "chunck.h"
+#include "blitter.h"
+
+DumpDecoder::~DumpDecoder() {
+}
+
+bool DumpDecoder::decode(Blitter & dst, Chunck & src) {
+	int n = 0, i = 0;
+	int seq = src.getWord();
+	int codec = src.getByte();
+	int flags = src.getByte();
+	int unknown[22];
+	for(i = 0; i < 0; i++) {
+		unknown[i] = src.getByte();
+	}
+	if(codec == 5 || codec == 1) {
+		do {
+			int code = src.getByte();
+			int length = (code >> 1) + 1;
+			if (code & 1)
+				dst.put(src.getChar(), length);
+			else
+				dst.blit(src, length);
+		} while (!src.eof());
+	}
+
+	return true;
+}

scumm/smush/codec47.h

@@ -0,0 +1,38 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __CODEC_47_H_
+#define __CODEC_47_H_
+
+#include "config.h"
+
+#include "decoder.h"
+
+/*!	@brief ::decoder for debugging purpose.
+
+*/
+class DumpDecoder : public Decoder {
+public:
+	virtual ~DumpDecoder();
+	bool decode(Blitter &, Chunck &);
+};
+
+#endif

scumm/smush/color.cpp

@@ -0,0 +1,69 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "color.h"
+
+Color::Color() : _r(0), _g(0), _b(0) {
+}
+
+Color::Color(value_type r, value_type g, value_type b) : _r(r), _g(g), _b(b) {
+}
+
+Color::Color(const Color & c) : _r(c._r), _g(c._g), _b(c._b) {
+}
+
+Color & Color::operator=(const Color & c) {
+	_r = c._r;
+	_g = c._g;
+	_b = c._b;
+	return *this;
+}
+
+Color::~Color() {
+}
+
+Color::value_type Color::red() const { 
+	return _r; 
+}
+
+Color::value_type Color::green() const { 
+	return _g; 
+}
+
+Color::value_type Color::blue() const { 
+	return _b;
+}
+
+void Color::delta(short * ptr) {
+	// This is a very specific method for XPALs.
+	int t;
+#define UPDATE_COLOR(c, inc) (((int)((c)) << 7) + (c) + (inc)) >> 7
+#define CHECK_BOUNDS(c) (((c) > 255) ? 255 : (((c) < 0) ? 0 : (c)))
+	t = UPDATE_COLOR(_r, ptr[0]);
+	_r = CHECK_BOUNDS(t);
+	t = UPDATE_COLOR(_g, ptr[1]);
+	_g = CHECK_BOUNDS(t);
+	t = UPDATE_COLOR(_b, ptr[2]);
+	_b = CHECK_BOUNDS(t);
+#undef UPDATE_COLOR
+#undef CHECK_BOUNDS
+}

scumm/smush/color.h

@@ -0,0 +1,57 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __COLOR_H_
+#define __COLOR_H_
+
+#include "config.h"
+
+/*! 	@brief simple class for handling a color.
+
+	This small class is an helper for colors.
+*/
+class Color {
+public:
+	typedef unsigned char value_type;	//!< The type of the color components.
+private:
+	value_type _r;	//!< The red component.
+	value_type _g;	//!< The green component.
+	value_type _b;	//!< The blue component.
+public:
+	Color();
+	Color(value_type, value_type, value_type);
+	Color(const Color &);
+	Color & operator=(const Color &);
+	virtual ~Color();
+	value_type red() const;
+	value_type green() const;
+	value_type blue() const;
+	/*!	@brief handle delta palette modification
+
+		This method is used specifically by player::handleDeltaPalette().
+		It updates the color component using delta values given as short.
+
+		@param ptr pointer to a table of 3 shorts that contain delta values to use.
+	*/
+	void delta(short * ptr);
+};
+
+#endif

scumm/smush/config.h

@@ -0,0 +1,42 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __CONFIG_H_
+#define __CONFIG_H_
+
+#include <stdafx.h>
+#include <scumm.h>
+
+#ifndef NDEBUG
+#define DEBUG
+#endif
+
+//~ #define NO_DEBUG_MIXER
+//~ #define NO_DEBUG_CHANNEL
+//~ #define NO_DEBUG_CLIPPER
+#define NO_DEBUG_CODEC1
+#define NO_DEBUG_CODEC37
+#define NO_DEBUG_CODEC44
+//~ #define NO_DEBUG_WIN32
+//~ #define NO_DEBUG_FONT_RENDERER
+
+
+#endif

scumm/smush/decoder.h

@@ -0,0 +1,51 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __DECODER_H_
+#define __DECODER_H_
+
+#include "config.h"
+
+#include "rect.h"
+
+class Blitter;
+class Chunck;
+
+/*!	@brief base class for codec decompression.
+
+	This class provides an interface for codec decompression.
+
+*/
+class Decoder {
+private:
+	Rect _r;			//!< current size of the frame object to decode
+	Point _p;			//!< position of the frame object to decode
+protected:
+	const Rect & getRect() const{ return _r; }
+	const Point & getSize() const { return _p; }
+public:
+	Decoder() {};
+	virtual ~Decoder() {};
+	virtual bool initSize(const Point & p, const Rect & r) { _p = p; _r = r; return true; };
+	virtual bool decode(Blitter &, Chunck &) = 0;
+};
+
+#endif

scumm/smush/frenderer.cpp

@@ -0,0 +1,232 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "frenderer.h"
+#include "rect.h"
+
+#include <assert.h>
+#include <string.h> // for memcpy, strcat, strdup
+
+#ifndef max
+#define max(x, y) ((x) > (y) ? (x) : (y))
+#endif
+
+FontRenderer::FontRenderer(bool use_original_colors) : _nbChars(0), _color(-1), _original(use_original_colors) {
+}
+
+FontRenderer::~FontRenderer() {
+	for(int i = 0; i < _nbChars; i++) {
+		if(_chars[i].chr) delete []_chars[i].chr;
+	}
+}
+
+void FontRenderer::save(int frame) {
+	_chars[_nbChars].width = getWidth();
+	_chars[_nbChars].height = getHeight();
+	int size = getWidth() * getHeight();
+	_chars[_nbChars].chr = new char[size];
+	memcpy(_chars[_nbChars].chr, data(), size);
+	_nbChars++;
+}
+
+int FontRenderer::charWidth(int v) const {
+	if(v < 0) v = 256 + v;
+	if(v < 0 || v >= _nbChars) error("invalid character in FontRenderer::charWidth : %d (%d)", v, _nbChars);
+	return _chars[v].width;
+}
+
+int FontRenderer::charHeight(int v) const {
+	if(v < 0) v = 256 + v;
+	if(v < 0 || v >= _nbChars) error("invalid character in FontRenderer::charHeight : %d (%d)", v, _nbChars);
+	return _chars[v].height;
+}
+
+int FontRenderer::stringWidth(const char * str) const {
+	int ret = 0;
+
+	while(*str) {
+		ret += charWidth(*str++);
+	}
+
+	return ret;
+}
+
+int FontRenderer::stringHeight(const char * str) const {
+	int ret = 0;
+
+	for(int i = 0; str[i] != 0; i++) {
+		int h = charHeight(str[i]);
+		ret = max(ret, h);
+	}
+
+	return ret;
+}
+
+int FontRenderer::drawChar(char * buffer, const Point & size, int x, int y, int chr) const {
+	int w = _chars[chr].width;
+	int h = _chars[chr].height;
+	char * src = _chars[chr].chr;
+	char * dst = buffer + size.getX() * y + x;
+
+	if(_original) {
+		for(int j = 0; j < h; j++) {
+			for(int i = 0; i < w; i++) {
+				int value = *src++;
+				if(value) dst[i] = value;
+			}
+			dst += size.getX();
+		}
+	} else {
+		int color = (_color != -1) ? _color : 1;
+		for(int j = 0; j < h; j++) {
+			for(int i = 0; i < w; i++) {
+				int value = *src++;
+				if(value == 1) {
+					dst[i] = color;
+				} else if(value) {
+					dst[i] = 0;
+				}
+			}
+			dst += size.getX();
+		}
+	}
+	return w;
+}
+
+static char * * split(const char * str, char sep) {
+	char * * ret = new char *[32];
+	int n = 0;
+	const char * i = str, * j = strchr(i, sep);
+
+	while(j != NULL) {
+		assert(n < 30);
+		ret[n] = new char[j - i + 1];
+		memcpy(ret[n], i, j - i);
+		ret[n++][j - i] = 0;
+		i = j+1;
+		j = strchr(i, sep);
+	}
+
+	ret[n] = new char[strlen(i) + 1];
+	memcpy(ret[n], i, strlen(i));
+	ret[n++][strlen(i)] = 0;
+	ret[n] = 0;
+	return ret;
+}
+
+void FontRenderer::drawSubstring(const unsigned char * str, char * buffer, const Point & size, int x, int y) const {
+	for(int i = 0; str[i] != 0; i++)
+		x += drawChar(buffer, size, x, y, str[i]);
+}
+
+bool FontRenderer::drawStringAbsolute(const char * str, char * buffer, const Point & size, int x, int y) const {
+	debug(9, "FontRenderer::drawStringAbsolute(%s, %d, %d)", str, x, y);
+	while(str) {
+		char line[256];
+		char * pos = strchr(str, '\n');
+		if(pos) {
+			memcpy(line, str, pos - str - 1);
+			line[pos - str - 1] = 0;
+			str = pos + 1;
+		} else {
+			strcpy(line, str);
+			str = 0;
+		}
+		drawSubstring((const unsigned char *)line, buffer, size, x, y);
+		y += stringHeight(line);
+	}
+	return true;
+}
+
+bool FontRenderer::drawStringCentered(const char * str, char * buffer, const Point & size, int y, int xmin, int width, int offset) const {
+	debug(9, "FontRenderer::drawStringCentered(%s, %d, %d)", str, xmin, y);
+	assert(strchr(str, '\n') == 0);
+	char * * words = split(str, ' ');
+	int nb_sub = 0;
+
+	while(words[nb_sub]) nb_sub++;
+
+	int * sizes = new int[nb_sub];
+	int i = 0, max_width = 0, height = 0, nb_subs = 0;
+
+	for(i = 0; i < nb_sub; i++)
+		sizes[i] = stringWidth(words[i]);
+
+	char * * substrings = new char *[nb_sub];
+	int * substr_widths = new int[nb_sub];
+	int space_width = charWidth(' ');
+
+	while(i < nb_sub) {
+		int substr_width = sizes[i];
+		char * substr = new char[1000];
+		strcpy(substr, words[i]);
+		int j = i + 1;
+
+		while(j < nb_sub && (substr_width + space_width + sizes[j]) < width) {
+			substr_width += sizes[j++] + space_width;
+		}
+
+		for(int k = i + 1; k < j; k++) {
+			strcat(substr, " ");
+			strcat(substr, words[k]);
+		}
+
+		substrings[nb_subs] = substr;
+		substr_widths[nb_subs++] = substr_width;
+		if(substr_width > max_width)
+			max_width = substr_width;
+		i = j;
+		height += stringHeight(substr);
+	}
+
+	delete []sizes;
+	for(i = 0; i < nb_sub; i++) {
+		delete []words[i];
+	}
+	delete []words;
+	
+	max_width = (max_width + 1) >> 1;
+	// we have a box from 0 -> max_width
+	// we want a box from (xmin + offset) - max_width / 2, (xmin + offset) + max_width / 2
+	int x = xmin + width / 2;
+	x += offset - size.getX() / 2;
+
+	if(x < max_width) x = max_width;
+	if(x + max_width > size.getX()) {
+		x = size.getX() - max_width;
+	}
+
+	if(y + height > size.getY()) {
+		y = size.getY() - height;
+	}
+
+	for(i = 0; i < nb_subs; i++) {
+		int substr_width = substr_widths[i];
+		drawSubstring((const unsigned char *)substrings[i], buffer, size, x - substr_width / 2, y);
+		y += stringHeight(substrings[i]);
+		delete []substrings[i];
+	}
+
+	delete []substr_widths;
+	delete []substrings;
+	return true;
+}

scumm/smush/frenderer.h

@@ -0,0 +1,164 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __FRENDERER_H_
+#define __FRENDERER_H_
+
+#include "config.h"
+
+#ifdef DEBUG
+# ifndef NO_DEBUG_FONT_RENDERER
+#  define DEBUG_FONT_RENDERER
+# endif
+#else
+# ifdef DEBUG_FONT_RENDERER
+#  error DEBUG_FONT_RENDERER defined without DEBUG
+# endif
+#endif
+
+#include "brenderer.h"
+#include "rect.h"
+#include "blitter.h"
+
+/*!	@brief ::renderer implementation specifically designed for font files.
+
+	This class is a valid ::renderer implementation. The frames are kept in memory, as bitmap representing characters, so that 
+	they can be rendered again in another frame as strings. 
+	
+	This class also contains some functions useful for printing strings. This is used to show subtitles and more generally texts
+	in animations.
+	
+	@todo update the mehod to use the ::blitter class, instead of direct pointers.
+*/
+class FontRenderer : public BaseRenderer {
+private:
+	int _nbChars;	//!< The number of frames in the font
+	int _color;		//!< A color parameter used for font printing.
+	bool _original;	//!< flag for color selection
+	struct {
+		int width;
+		int height;
+		char * chr;
+	} _chars[256]; //!< array that contains the size of the different frames (i.e. characters) of the font.
+public:
+	/*!	@brief font_renderer constructor
+		
+		@param use_original_colors	flag to indicate if the font use it's own color, or if the base color are set at runtime.
+	*/
+	FontRenderer(bool use_original_colors = false);
+	virtual ~FontRenderer();
+	virtual bool wait(int ms) { return true; };
+protected:
+	virtual void save(int frame = -1);
+	/*!	@brief get the width of a character.
+		
+		@param c	the character we want the width from.
+
+		@return the width of the character
+	*/
+	int charWidth(int c) const;
+	/*!	@brief get the width of a string.
+		
+		@param str	the string we want the width from.
+
+		@return the complete width of the string
+	*/
+	int stringWidth(const char * str) const;
+	/*!	@brief get the height of a character.
+		
+		@param c	the character we want the height from.
+
+		@return the height of the character
+	*/
+	int charHeight(int c) const;
+	/*!	@brief get the height of a string.
+		
+		@param str	the string we want the height from.
+
+		@return the complete height of the string
+	*/
+	int stringHeight(const char * str) const;
+	/*!	@brief draw a character in the given frame buffer.
+		
+		@param buffer	the frame buffer to draw into.
+		@param size		the size of the frame buffer.
+		@param x		the horizontal position of the topleft corner of the character.
+		@param y		the vertical position of the topleft corner of the character.
+		@param c		the character to draw.
+		
+		@bug	This method does not clip. This is not really a bug, as it should always be correctly called, but some asserts would be welcome.
+
+		@return the width of the character
+	*/
+	int drawChar(char * buffer, const Point & size, int x, int y, int c) const;
+	/*!	@brief draw a string in the given frame buffer.
+		
+		@param str		the string to draw.
+		@param buffer	the frame buffer to draw into.
+		@param size		the size of the frame buffer.
+		@param x		the horizontal position of the topleft corner of the string.
+		@param y		the vertical position of the topleft corner of the string.
+
+		@bug	This method does not clip. This is not really a bug, as it should always be correctly called, but some asserts would be welcome.
+	*/
+	void drawSubstring(const unsigned char * str, char * buffer, const Point & size, int x, int y) const;
+public:
+	/*!	@brief change the programmable color of the font.
+		
+		@param c		the new color to use.
+
+		@return \c true if everything went fine, \c false otherwise
+	*/
+	bool setColor(int c) { _color = c; return true; }
+	/*!	@brief draw a centered and possibly using multiple lines string.
+	
+		This method performs calculation of the string size before choosing where to draw it.
+		As I still not have figured out exactly what is the meaning of the fields in the TRES chunck, 
+		the real meaning of the parameters can be quite difficult to understand.
+	
+		@remark	The current implementation is incorrect in the sense that it does not conform to the original game.
+		@todo	rewrite and rethink this to better match the original implementation.
+		
+		@param str		the string to draw.
+		@param buffer	the frame buffer to draw into.
+		@param size		the size of the frame buffer.
+		@param y		the vertical position of the topleft corner of the string. This position may be changed if it is too low to be correctly drawn.
+		@param xmin		the minimum horizontal position of the topleft corner of the string.
+		@param width		the maximum width of the string. If the string is too long, it will wrap.
+		@param offset	offset to give to the horizontal position.
+
+		@return \c true if everything went fine, \c false otherwise
+	*/
+	bool drawStringCentered(const char * str, char * buffer, const Point & size, int y, int xmin, int width, int offset) const;
+	/*!	@brief draw a string at an absolute position.
+	
+		@param str		the string to draw.
+		@param buffer	the frame buffer to draw into.
+		@param size		the size of the frame buffer.
+		@param x		the horizontal position of the topleft corner of the string.
+		@param y		the vertical position of the topleft corner of the string. This position may be changed if it is too low to be correctly drawn.
+
+		@return \c true if everything went fine, \c false otherwise
+	*/
+	bool drawStringAbsolute(const char * str, char * buffer, const Point & size, int x, int y) const;
+};
+
+#endif

scumm/smush/imuse_channel.cpp

@@ -0,0 +1,329 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "channel.h"
+#include "chunck.h"
+#include "chunck_type.h"
+
+#include <assert.h>
+#include <string.h> // for memcpy.h
+#ifndef min
+#define min(x, y) ((x) > (y) ? (y) : (x))
+#endif
+
+ImuseChannel::ImuseChannel(int track, int freq) : 
+			_track(track), 
+			_tbuffer(0), 
+			_tbufferSize(0), 
+			_sbuffer(0), 
+			_sbufferSize(0), 
+			_frequency(freq), 
+			_dataSize(-1),
+			_inData(false) {
+}
+
+ImuseChannel::~ImuseChannel() {
+	if(_tbuffer) {
+		delete []_tbuffer; 
+	}
+	if(_sbuffer) {
+		warning("_sbuffer should be 0 !!!");
+		delete []_sbuffer; 
+	}
+}
+
+bool ImuseChannel::isTerminated() const {
+	return (_dataSize <= 0 && _sbuffer == 0);
+}
+
+bool ImuseChannel::setParameters(int nbframes, int size, int unk1, int unk2) {
+	return true;
+}
+
+bool ImuseChannel::checkParameters(int index, int nbframes, int size, int unk1, int unk2) {
+	return true;
+}
+
+bool ImuseChannel::appendData(Chunck & b, int size) {
+	if(_dataSize == -1) { // First call
+		assert(size > 8);
+		Chunck::type imus_type = b.getDword(); imus_type = TO_BE_32(imus_type);
+		unsigned int imus_size = b.getDword(); imus_size = TO_BE_32(imus_size);
+		if(imus_type != TYPE_iMUS) error("Invalid CHUNCK for imuse_channel");
+		size -= 8;
+		_tbufferSize = size;
+		assert(_tbufferSize);
+		_tbuffer = new unsigned char[_tbufferSize];
+		if(!_tbuffer)  error("imuse_channel failed to allocate memory");
+		b.read(_tbuffer, size);
+		_dataSize = -2; // even if _in_data does not get set, this won't be called again
+	} else {
+		if(_tbuffer) { // remaining from last call
+			unsigned char * old = _tbuffer;
+			int new_size = size + _tbufferSize;
+			_tbuffer = new unsigned char[new_size];
+			if(!_tbuffer)  error("imuse_channel failed to allocate memory");
+			memcpy(_tbuffer, old, _tbufferSize);
+			delete []old;
+			b.read(_tbuffer + _tbufferSize, size);
+			_tbufferSize += size;
+		} else {
+			_tbufferSize = size;
+			_tbuffer = new unsigned char[_tbufferSize];
+			if(!_tbuffer)  error("imuse_channel failed to allocate memory");
+			b.read(_tbuffer, size);
+		}
+	}
+	return processBuffer();
+}
+
+bool ImuseChannel::handleFormat(Chunck & src) {
+	if(src.getSize() != 20) error("invalid size for FRMT chunck");
+	unsigned imuse_start = src.getDword();
+	imuse_start = TO_BE_32(imuse_start);
+	src.seek(4);
+	_bitsize = src.getDword();
+	_bitsize = TO_BE_32(_bitsize);
+	_rate = src.getDword();
+	_rate = TO_BE_32(_rate);
+	_channels = src.getDword();
+	_channels = TO_BE_32(_channels);
+	assert(_channels == 1 || _channels == 2);
+	return true;
+}
+
+bool ImuseChannel::handleText(Chunck & src) {
+	return true;
+}
+
+bool ImuseChannel::handleRegion(Chunck & src) {
+	if(src.getSize() != 8) error("invalid size for REGN chunck");
+	return true;
+}
+
+bool ImuseChannel::handleStop(Chunck & src) {
+	if(src.getSize() != 4) error("invalid size for STOP chunck");
+	return true;
+}
+
+bool ImuseChannel::handleMap(Chunck & map) {
+	while(!map.eof()) {
+		Chunck * sub = map.subBlock();
+		switch(sub->getType()) {
+			case TYPE_FRMT:
+				handleFormat(*sub);
+				break;
+			case TYPE_TEXT:
+				handleText(*sub);
+				break;
+			case TYPE_REGN:
+				handleRegion(*sub);
+				break;
+			case TYPE_STOP:
+				handleStop(*sub);
+				break;
+			default:
+				error("Unknown iMUS subchunck found : %s, %d", Chunck::ChunckString(sub->getType()), sub->getSize());
+		}
+		delete sub;
+	}
+	return true;
+}
+
+void ImuseChannel::decode() {
+	int remaining_size = _sbufferSize % 3;
+	if(remaining_size) {
+		_srbufferSize -= remaining_size;
+		assert(_inData);
+		if(_tbuffer == 0) {
+			_tbuffer = new unsigned char[remaining_size];
+			memcpy(_tbuffer, _sbuffer + _sbufferSize - remaining_size, remaining_size);
+			_tbufferSize = remaining_size;
+			_sbufferSize -= remaining_size;
+		} else {
+			warning("impossible ! : %p, %d, %d, %p(%d), %p(%d, %d)",
+				this, _dataSize, _inData, _tbuffer, _tbufferSize, _sbuffer, _sbufferSize, _srbufferSize);
+			unsigned char * old = _tbuffer;
+			int new_size = remaining_size + _tbufferSize;
+			_tbuffer = new unsigned char[new_size];
+			if(!_tbuffer)  error("imuse_channel failed to allocate memory");
+			memcpy(_tbuffer, old, _tbufferSize);
+			delete []old;
+			memcpy(_tbuffer + _tbufferSize, _sbuffer + _sbufferSize - remaining_size, remaining_size);
+			_tbufferSize += remaining_size;
+		}
+	}
+	int loop_size = _sbufferSize / 3;
+	int new_size = loop_size * 2;
+	short * keep, * decoded;
+	keep = decoded = new short[new_size];
+	assert(keep);
+	unsigned char * source = _sbuffer;
+	while(loop_size--) {
+		int v1 =  *source++;
+		int v2 =  *source++;
+		int v3 =  *source++;
+		int value = (((v2 & 0x0f) << 12) | (v1 << 4)) - 0x8000;
+		*decoded++ = (short)value;
+		value = (((v2 & 0xf0) << 8) | (v3 << 4)) - 0x8000;		
+		*decoded++ = (short)value;
+	}
+	delete []_sbuffer;
+	_sbuffer = (unsigned char*)keep;
+	_sbufferSize = new_size * sizeof(short);
+}
+
+bool ImuseChannel::handleSubTags(int & offset) {
+	int available_size = _tbufferSize - offset;
+	if(available_size >= 8) {
+		Chunck::type type = READ_BE_UINT32(_tbuffer + offset);
+		unsigned int size = READ_BE_UINT32(_tbuffer + offset + 4);
+		switch(type) {
+			case TYPE_MAP_: 
+				_inData = false;
+				if(available_size >= (size + 8)) {
+					ContChunck c((char*)_tbuffer + offset);
+					handleMap(c);
+				}
+				break;
+			case TYPE_DATA: // Sound data !!!
+				_inData = true;
+				_dataSize = size;
+				offset += 8;
+				{
+					int reqsize = 1;
+					if(_channels == 2) reqsize *= 2;
+					if(_bitsize == 16) reqsize *= 2;
+					else if(_bitsize == 12) {
+						if(reqsize > 1)
+							reqsize = reqsize * 3 / 2;
+						else reqsize = 3;
+					}
+					if((size % reqsize) != 0) {
+						warning("Invalid iMUS sound data size : (%d %% %d) != 0, correcting...", size, reqsize);
+						size += 3 - (size % reqsize);
+					}
+				}
+				return false;
+			default:
+				error("unknown chunck in iMUS track : %s ", Chunck::ChunckString(type));
+		}
+		offset += size + 8;
+		return true;
+	}
+	return false;
+}
+
+bool ImuseChannel::processBuffer() {
+	// see comments in saud_channel::processBuffer for an explanation
+	assert(_tbuffer != 0);
+	assert(_tbufferSize != 0);
+	assert(_sbuffer == 0);
+	assert(_sbufferSize == 0);
+	
+	if(_inData) {
+		if(_dataSize < _tbufferSize) {			
+			int offset= _dataSize;
+			while(handleSubTags(offset));
+			_sbufferSize = _dataSize;
+			_sbuffer = _tbuffer;
+			if(offset < _tbufferSize) { // there is still some unprocessed data
+				int new_size = _tbufferSize - offset;
+				_tbuffer = new unsigned char[new_size];
+				if(!_tbuffer)  error("imuse_channel failed to allocate memory");
+				memcpy(_tbuffer, _sbuffer + offset, new_size);
+				_tbufferSize = new_size;
+			} else {
+				_tbuffer = 0;
+				_tbufferSize = 0;
+			}
+			if(_sbufferSize == 0) {
+				// this never happened yet, but who knows
+				delete []_sbuffer; 
+				_sbuffer = 0;
+			}
+		} else {
+			// easy, swap the buffer
+			_sbufferSize = _tbufferSize;
+			_sbuffer = _tbuffer;
+			_tbufferSize = 0;
+			_tbuffer = 0;
+		}
+	} else {
+		int offset = 0;
+		while(handleSubTags(offset));
+		if(_inData) {
+			//~ unsigned char * old = _tbuffer;
+			_sbufferSize = _tbufferSize - offset;
+			assert(_sbufferSize);
+			_sbuffer = new unsigned char[_sbufferSize];
+			if(!_sbuffer)  error("imuse_channel failed to allocate memory");
+			memcpy(_sbuffer, _tbuffer + offset, _sbufferSize);
+			delete []_tbuffer;
+			_tbuffer = 0;
+			_tbufferSize = 0;
+		} else {
+			if(offset) { // maybe I should assert() this to avoid a lock...
+				unsigned char * old = _tbuffer;
+				int new_size = _tbufferSize - offset;
+				_tbuffer = new unsigned char[new_size];
+				if(!_tbuffer)  error("imuse_channel failed to allocate memory");
+				memcpy(_tbuffer, old + offset, new_size);
+				_tbufferSize = new_size;
+				delete []old;
+			}
+		}
+	}
+	_srbufferSize = _sbufferSize;
+	if(_sbuffer && _bitsize == 12) decode();
+	return true;
+}
+
+int ImuseChannel::availableSoundData(void) const {
+	int ret = _sbufferSize;
+	if(_channels == 2) ret /= 2;
+	if(_bitsize > 8) ret /= 2;
+	return ret;
+}
+
+void ImuseChannel::getSoundData(short * snd, int size) {
+	if(_dataSize <= 0 || _bitsize <= 8) error("invalid call to imuse_channel::read_sound_data()");
+	if(_channels == 2) size *= 2;
+	for(int i = 0; i < size; i++)
+		snd[i] = READ_BE_UINT16(_sbuffer + 2 * i);
+	delete []_sbuffer;
+	assert(_sbufferSize == 2 * size);
+	_sbuffer = 0;
+	_sbufferSize = 0;
+	_dataSize -= _srbufferSize;
+}
+
+void ImuseChannel::getSoundData(char * snd, int size) {
+	if(_dataSize <= 0 || _bitsize > 8) error("invalid call to imuse_channel::read_sound_data()");
+	if(_channels == 2) size *= 2;
+	for(int i = 0; i < size; i++)
+		snd[i] = _sbuffer[i];
+	delete []_sbuffer;
+	_sbuffer = 0;
+	_sbufferSize = 0;
+	_dataSize -= _srbufferSize;
+}

scumm/smush/mixer.h

@@ -0,0 +1,58 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __MIXER_H_
+#define __MIXER_H_
+
+#include "config.h"
+
+#ifdef DEBUG
+# ifndef NO_DEBUG_MIXER
+#  define DEBUG_MIXER
+# endif
+#else
+# ifdef DEBUG_MIXER
+#  error DEBUG_MIXER defined without DEBUG
+# endif
+#endif
+
+class _Channel;
+
+class SoundRenderer;
+
+/*! 	@brief The class for the player's sound mixer
+
+	This class is used for sound mixing.
+	It contains a list of current track and request them to mix.
+	It then sends the mixed sound samples to the sound renderer.
+
+*/
+class Mixer {
+public:
+	virtual ~Mixer() {};
+	virtual bool init() = 0;
+	virtual _Channel * findChannel(int track) = 0;
+	virtual bool addChannel(_Channel * c) = 0;
+	virtual bool handleFrame() = 0;
+	virtual bool stop() = 0;
+};
+
+#endif

scumm/smush/palette.cpp

@@ -0,0 +1,56 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "palette.h"
+#include "assert.h"
+
+Palette::Palette() {
+}
+
+Palette::Palette(unsigned char * ptr) {
+	for(int i = 0; i < 256; i++) {
+		_colors[i] = Color(ptr[3 * i + 0], ptr[3 * i + 1], ptr[3 * i + 2]);
+	}
+}
+
+Palette::Palette(const Palette & p) {
+	for(int i = 0; i < 256; i++) {
+		_colors[i] = p._colors[i];
+	}
+}
+
+const Color & Palette::operator[](int a) const {
+	assert(a >= 0 && a < 256);
+	return _colors[a];
+}
+
+Color & Palette::operator[](int a) {
+	assert(a >= 0 && a < 256);
+	return _colors[a];
+}
+
+Palette & Palette::operator=(const Palette & p) {
+	for(int i = 0; i < 256; i++) {
+		_colors[i] = p._colors[i];
+	}
+	return *this;
+}

scumm/smush/palette.h

@@ -0,0 +1,45 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __PALETTE_H_
+#define __PALETTE_H_
+
+#include "config.h"
+
+#include "color.h"
+
+/*! 	@brief simple class for handling a palette.
+
+	This small class is an helper for palettes.
+*/
+class Palette {
+private:
+	Color _colors[256];
+public:
+	Palette();
+	Palette(unsigned char *);
+	Palette(const Palette &);
+	const Color & operator[](int) const;
+	Color & operator[](int);
+	Palette & operator=(const Palette &);
+};
+
+#endif

scumm/smush/player.cpp

@@ -0,0 +1,760 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "player.h"
+
+#include "renderer.h"
+#include "channel.h"
+#include "chunck_type.h"
+#include "rect.h"
+#include "blitter.h"
+
+#include <assert.h>
+#include <stdlib.h> // for atoi
+#include <stdio.h> // for FILE, fopen, fclose, fread, fseek, ftell
+#include <string.h> // for strchr, strrchr
+#include <ctype.h> // for isdigit
+
+#ifndef max
+#define max(x, y) ((x) > (y) ? (x) : (y))
+#endif
+
+const int WAIT = 100;
+
+/*!	@brief parser and map of string resources
+
+	This class implements a parser for the string resource format of SMUSH animations.
+	It then allows the player to get the string corresponding to a particular identifier.
+	
+	@bug some of The Dig strings are not completely parsed (in titles)
+*/
+
+const int MAX_STRINGS = 200;
+
+class StringResource {
+private:
+	struct {
+		int id;
+		char * string;
+	} _strings[MAX_STRINGS];
+	int _nbStrings;
+	int _lastId;
+	char * _lastString;
+public:
+	StringResource() : _nbStrings(0), _lastId(-1) {};
+	~StringResource() {
+		for(int i = 0; i < _nbStrings; i++) {
+			delete []_strings[i].string;
+		}
+	}
+	/*!	@brief parse the given buffer
+
+		@param buffer the buffer that contain the resource (in lucasart format)
+		@param length the length of the buffer
+
+		@return \c true if the parsing went fine, \c false otherwise
+	*/
+	bool init(char * buffer, int length) {
+		debug(9, "parsing string resources...");
+		char * def_start = strchr(buffer, '#');
+		while(def_start != NULL) {
+			char * def_end = strchr(def_start, '\n');
+			assert(def_end != NULL); // def_end is just before the start of the string [def_start,def_end] correspond to the definition text
+			char * id_end = def_end;
+			while(id_end >= def_start && !isdigit(*(id_end-1))) id_end--;
+			assert(id_end > def_start);
+			char * id_start = id_end;
+			while(isdigit(*(id_start - 1))) id_start--;
+			// [id_start-id_end] is the id number
+			char idstring[32];
+			memcpy(idstring, id_start, id_end - id_start);
+			idstring[id_end - id_start] = 0;
+			int id = atoi(idstring);
+			//~ assert(id != LONG_MIN && id != 0 && id != LONG_MAX);
+			char * data_start = def_end;
+			while(*data_start == '\n' || *data_start == '\r') data_start++;
+			char * data_end = data_start;
+			while(1) {
+				if(data_end[-2] == '\r' && data_end[1] == '\n' && data_end[-1] == '\n' && data_end[0] == '\r')
+					break;
+				data_end++;
+				if(data_end >= buffer + length) {
+					data_end = buffer + length;
+					break;
+				}
+			}
+			data_end -= 2;
+			assert(data_end > data_start);
+			char * value = new char[data_end - data_start + 1];
+			assert(value);
+			memcpy(value, data_start, data_end - data_start);
+			value[data_end - data_start] = 0;
+#ifdef DEBUG
+			debug(9, "Inserting (%s)%d == \"%s\"", idstring, id, value);
+#endif				
+			_strings[_nbStrings].id = id;
+			_strings[_nbStrings].string = value;
+			_nbStrings ++;
+			def_start = strchr(data_end + 2, '#');
+		}
+		return true;
+	}
+	/*!	@brief extract a string
+
+		@param id the resource identifier
+
+		@return the corresponding string.
+	*/
+	const char * get(int id) {
+		if(id == _lastId) return _lastString;
+		for(int i = 0; i < _nbStrings; i++)
+		{
+			if(_strings[i].id == id) {
+				_lastId = id;
+				_lastString = _strings[i].string;
+				return _strings[i].string;
+			}
+		}
+		warning("invalid string id : %d", id);
+		_lastId = -1;
+		_lastString = "unknown string";
+		return _lastString;
+	}
+};
+
+void SmushPlayer::show(const char * p) {
+	if(strcmp(p, "subtitles") == 0)
+		_subtitles = true;
+	else if(strcmp(p, "bgmusic") == 0)
+		_bgmusic = true;
+	else if(strcmp(p, "voices") == 0)
+		_voices = true;
+	else {
+		int id = atoi(p);
+		if(id < 0 || id > 36) error("invalid parameter to show");
+		_skips[id] = true;
+	}
+}
+
+void SmushPlayer::hide(const char * p) {
+	if(strcmp(p, "subtitles") == 0)
+		_subtitles = false;
+	else if(strcmp(p, "bgmusic") == 0)
+		_bgmusic = false;
+	else if(strcmp(p, "voices") == 0)
+		_voices = false;
+	else {
+		int id = atoi(p);
+		if(id < 0 || id > 36) error("invalid parameter to hide");
+		_skips[id] = false;
+	}
+}
+
+SmushPlayer::SmushPlayer(Renderer * renderer, bool wait, bool sound) :
+							_version(-1),
+							_secondaryVersion(0),
+							_soundFrequency(0),
+							_nbframes(0),
+							_mixer(0),
+							_renderer(renderer),
+							_strings(0),
+							_frameSize(-1, -1),
+							_frame(0),
+							_outputSound(sound),
+							_wait(wait),
+							_alreadyInit(false),
+							_codec37Called(false),
+							_skipNext(false),
+							_subtitles(true),
+							_bgmusic(true),
+							_voices(true) {
+	_fr[0] = _fr[1] = _fr[2] = _fr[3] = 0;
+	assert(_renderer != 0);
+}
+
+SmushPlayer::~SmushPlayer() {
+	clean();
+	//~ if(_mixer) delete _mixer;
+}
+
+void SmushPlayer::updatePalette(void) { 
+	_renderer->setPalette(_pal); 
+}
+
+void SmushPlayer::clean() {
+	if(_strings) 
+		delete _strings;
+	if(_fr[0]) delete _fr[0];
+	if(_fr[1]) delete _fr[1];
+	if(_fr[2]) delete _fr[2];
+	if(_fr[3]) delete _fr[3];
+}
+
+void SmushPlayer::checkBlock(const Chunck & b, Chunck::type type_expected, unsigned int min_size) {
+	if(type_expected != b.getType()) {
+		error("chunck type is different from expected : %d != %d", b.getType(), type_expected);
+	}
+	if(min_size > b.getSize()) {
+		error( "chunck size is inferior than minimum required size : %d < %d", b.getSize(), min_size);
+	}
+}
+
+void SmushPlayer::handleSoundBuffer(int track_id, int index, int max_frames, int flags, int vol, int bal, Chunck & b, int size) {
+	debug(6, "smush_player::handleSoundBuffer(%d)", track_id);
+	if(!_voices && (flags & 128) == 128) return;
+	if(!_bgmusic && (flags & 64) == 64) return;
+	_Channel * c = _mixer->findChannel(track_id);
+	if(c == 0) {
+		c = new SaudChannel(track_id,  _soundFrequency);
+		_mixer->addChannel(c);
+	}
+	if(index == 0)
+		c->setParameters(max_frames, flags, vol, bal);
+	else
+		c->checkParameters(index, max_frames, flags, vol, bal);
+	c->appendData(b, size);
+}
+
+void SmushPlayer::handleSoundFrame(Chunck & b) {
+	checkBlock(b, TYPE_PSAD);
+	debug(6, "SmushPlayer::handleSoundFrame()");
+	if(!_outputSound) return;
+	int track_id = b.getWord();
+	int index = b.getWord();
+	int max_frames = b.getWord();
+	int flags = b.getWord();
+	int vol = b.getByte();
+	int bal = b.getChar();
+#ifdef DEBUG
+	if(index == 0) {
+		debug(5, "track_id == %d, max_frames == %d, %d, %d, %d", track_id, max_frames, flags, vol, bal);
+	}
+#endif
+	int size = b.getSize() - 10;
+	handleSoundBuffer(track_id, index, max_frames, flags, vol, bal, b, size);
+}
+
+void SmushPlayer::handleSkip(Chunck & b) {
+	checkBlock(b, TYPE_SKIP, 4);
+	int code = b.getDword();
+	debug(6, "SmushPlayer::handleSkip(%d)", code);
+	if(code >= 0 && code < 37)
+		_skipNext =_skips[code];
+	else
+		_skipNext =true;
+}
+
+void SmushPlayer::handleStore(Chunck & b) {
+	checkBlock(b, TYPE_STOR, 4);
+	debug(6, "SmushPlayer::handleStore()");
+}
+
+void SmushPlayer::handleFetch(Chunck & b) {
+	checkBlock(b, TYPE_FTCH, 6);
+	debug(6, "SmushPlayer::handleFetch()");
+}
+
+void SmushPlayer::handleImuseBuffer(int track_id, int index, int nbframes, int size, int unk1, int unk2, Chunck & b, int bsize) {
+	_Channel * c = _mixer->findChannel(track_id);
+	if(c == 0) {
+		c = new ImuseChannel(track_id, _soundFrequency);
+		_mixer->addChannel(c);
+	}
+	if(index == 0)
+		c->setParameters(nbframes, size, unk1, unk2);
+	else
+		c->checkParameters(index, nbframes, size, unk1, unk2);
+	c->appendData(b, bsize);
+}
+
+void SmushPlayer::handleImuseAction8(Chunck & b, int flags, int unknown, int track_id) {
+	assert(flags == 46 && unknown == 0);
+	int unknown2 = b.getWord();
+	track_id |= unknown2 << 16;
+	int index = b.getWord();
+	int nbframes = b.getWord();
+	int size = b.getDword();
+	int bsize = b.getSize() - 18;
+	handleImuseBuffer(track_id, index, nbframes, size, unknown, unknown2, b, bsize);
+}
+
+void SmushPlayer::handleImuseAction(Chunck & b) {
+	checkBlock(b, TYPE_IACT, 8);
+	debug(6, "SmushPlayer::handleImuseAction()");
+	if(!_outputSound) return;
+	int code = b.getWord();
+	int flags = b.getWord();
+	int unknown = b.getShort();
+	int track_id = b.getWord();
+#ifdef DEBUG
+	debug(5, "handleImuseAction(%d, %d, %d, %d)", code, flags, unknown, track_id);
+#endif
+	switch(code) {
+		case 8:
+			handleImuseAction8(b, flags, unknown, track_id);
+			break;
+#ifdef DEBUG
+		default: {
+				debug(9, "%5.5d %d %8.8d %4.4d", track_id, flags, unknown);
+			}
+#endif
+	}
+}
+
+void SmushPlayer::handleTextResource(Chunck & b) {
+	checkBlock(b, TYPE_TRES, 18); 
+	int pos_x = b.getShort();
+	int pos_y = b.getShort();
+	int flags = b.getShort();
+	int left = b.getShort();
+	int top = b.getShort();
+	int width = b.getShort();
+	int height = b.getShort();
+	int unk2 = b.getWord();
+	int string_id = b.getWord();
+	debug(6, "SmushPlayer::handleTextResource(%d)", string_id);
+	if(!_strings) return;
+
+	// if subtitles disabled and bit 3 is set, then do not draw
+	if((!_subtitles) && ((flags & 8) == 8)) return;
+	const char * str = _strings->get(string_id);
+
+	FontRenderer * fr = _fr[0];
+	int color = 15;
+	while(*str == '/') str++; // For Full Throttle text resources
+	while(str[0] == '^') {
+		switch(str[1]) {
+		case 'f':
+			{
+#if 0
+				// This cause trouble if the next character is a digit.
+				int id = atoi(str+2);
+#else
+				// assume ASCII like character set...
+				int id = str[3] - '0';
+#endif
+				str += 4;
+				fr = _fr[id]; 
+			} break;
+		case 'c':
+			{
+				//~ int id = atoi(str+2);
+				color = str[4] - '0' + 10 *(str[3] - '0');
+				str += 5;
+			} break;
+		default:
+			error("invalid escape code in text string");
+		}
+	}
+	assert(fr != 0);
+	fr->setColor(color);
+	if(!_curBuffer) { _curBuffer = _renderer->lockFrame(_frame); }
+	if(flags == 0 || flags == 4) {
+		fr->drawStringAbsolute(str, _curBuffer, _frameSize, pos_x, pos_y);
+	} else {
+		fr->drawStringCentered(str, _curBuffer, _frameSize, max(pos_y, top), left, width, pos_x);
+	}
+}
+
+void SmushPlayer::readPalette(Palette & out, Chunck & in) {
+	unsigned char buffer[768];
+	in.read(buffer, 768);
+	out = Palette(buffer);
+}
+
+void SmushPlayer::handleDeltaPalette(Chunck & b) {
+	checkBlock(b, TYPE_XPAL);
+	debug(6, "SmushPlayer::handleDeltaPalette()");
+	if(b.getSize() == 768 * 3 + 4) {
+		int unk1, num;
+		unk1 = b.getWord();
+		num = b.getWord();
+		for(int i = 0; i < 768; i++) {
+			_deltaPal[i] = b.getWord();
+		}
+		readPalette(_pal, b);
+		updatePalette();
+	} else if(b.getSize() == 6) {
+		int unk1, num, unk2;
+		unk1 = b.getWord();
+		num = b.getWord();
+		unk2 = b.getWord();
+		for(int i = 0; i < 256; i++) {
+			_pal[i].delta(_deltaPal + 3 * i);
+		}
+		updatePalette();
+	} else {
+		error("wrong size for DeltaPalette");
+	}
+}
+
+void SmushPlayer::handleNewPalette(Chunck & b) {
+	checkBlock(b, TYPE_NPAL, 768);
+	debug(6, "SmushPlayer::handleNewPalette()");
+	readPalette(_pal, b);
+	updatePalette();
+}
+
+void SmushPlayer::decodeCodec(Chunck & b, const Rect & r, Decoder & codec) {
+	assert(_curBuffer);
+	Blitter blit(_curBuffer, _frameSize, r);
+	codec.decode(blit, b);
+}
+
+void SmushPlayer::initSize(const Rect & r, bool always, bool transparent) {
+	if(_codec37Called) _alreadyInit = true;
+		
+	if(!_alreadyInit || _frameSize.getX() < r.right() || _frameSize.getY() < r.bottom() || always) {
+		if(_curBuffer) {
+			_renderer->unlockFrame();
+			_curBuffer = 0;
+		}
+		_frameSize = r.bottomRight();
+		_renderer->initFrame(_frameSize);
+	}
+
+	if(_curBuffer) {
+		_renderer->unlockFrame();
+		_curBuffer = 0;
+	}
+
+	_curBuffer = _renderer->lockFrame(_frame);
+	if(!_alreadyInit && transparent) {
+		memset(_curBuffer, 0, _frameSize.getX()*_frameSize.getY());
+	}
+
+	_codec1.initSize(_frameSize, r);
+	_codec37.initSize(_frameSize, r);
+	_codec44.initSize(_frameSize, r);
+	_codecd.initSize(_frameSize, r);
+	_alreadyInit = true;
+}
+
+void SmushPlayer::handleFrameObject(Chunck & b) {
+	checkBlock(b, TYPE_FOBJ, 14);
+	if(_skipNext) {
+		_skipNext = false;
+		return;
+	}
+	int codec = b.getWord();
+	debug(6, "SmushPlayer::handleFrameObject(%d)", codec);
+	unsigned short left = b.getWord();
+	unsigned short top = b.getWord();
+	unsigned short width = b.getWord();
+	unsigned short height = b.getWord();
+	Rect r(left, top, left + width, top + height);
+	unsigned short data[2];
+	data[1] = b.getWord();
+	data[0] = b.getWord();
+#ifdef DEBUG
+	debug(5, "Frame pos : %d, %d", left, top);
+	debug(5, "Frame size : %dx%d", width, height);
+	debug(5, "Codec : %d", codec);
+#endif
+	switch (codec) {
+	case 3:
+	case 1:
+		initSize(r, false, true);
+		decodeCodec(b, r, _codec1);
+		break;
+	case 37:
+		assert(left == 0 && top == 0);
+		initSize(r, true, false);
+		decodeCodec(b, r, _codec37);
+		_codec37Called = true;
+		break;
+	case 47:
+		initSize(r, false, true);
+		decodeCodec(b, r, _codecd);
+		break;
+	case 21:
+	case 44:
+		initSize(r, true, true);
+		decodeCodec(b, r, _codec44);
+		break;
+	default:
+		error("Invalid codec for frame object : %d", (int)codec);
+	}
+}
+
+void SmushPlayer::handleFrame(Chunck & b) {
+	checkBlock(b, TYPE_FRME);
+	debug(6, "SmushPlayer::handleFrame(%d)", _frame);
+	_alreadyInit = false;
+	_skipNext = false;
+
+	while(!b.eof()) {
+		Chunck * sub = b.subBlock();
+		if(sub->getSize() & 1) b.seek(1);
+		switch(sub->getType()) {
+			case TYPE_NPAL:
+				handleNewPalette(*sub);
+				break;
+			case TYPE_FOBJ:
+				handleFrameObject(*sub);
+				break;
+			case TYPE_PSAD:
+				handleSoundFrame(*sub);
+				break;
+			case TYPE_TRES:
+				handleTextResource(*sub);
+				break;
+			case TYPE_XPAL:
+				handleDeltaPalette(*sub);
+				break;
+			case TYPE_IACT:
+				handleImuseAction(*sub);
+				break;
+			case TYPE_STOR:
+				handleStore(*sub);
+				break;
+			case TYPE_FTCH:
+				handleFetch(*sub);
+				break;
+			case TYPE_SKIP:
+				handleSkip(*sub);
+				break;
+			default:
+				error("Unknown frame subchunck found : %s, %d", Chunck::ChunckString(sub->getType()), sub->getSize());
+		}
+		delete sub;
+	}
+	if(_curBuffer) {
+		_renderer->unlockFrame();
+		_curBuffer = 0;
+	}
+	if(_outputSound)
+		_mixer->handleFrame();
+#ifdef DEBUG
+	debug(5, "===================END OF FRAME========================");
+#endif
+	_renderer->flipFrame();
+	if(_wait)
+		_renderer->wait(WAIT);
+	_frame++;
+}
+
+void SmushPlayer::handleAnimHeader(Chunck & b) {
+	checkBlock(b, TYPE_AHDR, 774);
+	debug(6, "SmushPlayer::handleAnimHeader()");
+	_version = b.getWord();
+	_nbframes = b.getWord();
+	int unknown = b.getWord();
+#ifdef DEBUG
+	debug(5, "SMUSH HEADER : version == %d, nbframes == %d, unknown == %d", _version, _nbframes, unknown);
+#else
+	unknown = unknown;
+#endif
+	_renderer->startDecode(_fname, _version, _nbframes);
+	readPalette(_pal, b);
+	updatePalette();
+	if(_version == 1) {
+		_soundFrequency = 22050;
+	}
+	if(_version == 2) {
+		_secondaryVersion = b.getDword();
+		int unknown2 = b.getDword();
+		_soundFrequency = b.getDword();
+#ifdef DEBUG
+		debug(5, "SMUSH HEADER : secondary version == %d, unknown2 == %d, sound frequency == %d", _secondaryVersion, unknown2, _soundFrequency);
+		int i = 0, c;
+		while(!b.eof()) {
+			c = b.getByte();
+			if(c) debug(9, "SMUSH HEADER : remaining bytes : %d == %d", i, c);
+			i++;
+		}
+#else
+		unknown2 = unknown2;
+#endif
+		if(_secondaryVersion != 10 && _secondaryVersion != 0 && _secondaryVersion != 12 && _secondaryVersion != 15 && _secondaryVersion != 14)
+			error("Wrong secondary version number for SMUSH animation");
+		if(_soundFrequency != 0 && _soundFrequency != 11025 && _soundFrequency != 22050)
+			error("Wrong _sound_frequency number for SMUSH animation");
+	}else if(_version > 2) {
+		error("Wrong primary version number for SMUSH animation");
+	}
+	if(_outputSound && _soundFrequency) {
+		if(_soundFrequency != 22050) _soundFrequency = 22050;
+		_mixer = _renderer->getMixer();
+		if(_mixer) {
+			_mixer->init();
+		} else {
+			_outputSound = false;
+		}
+	}
+}
+
+static StringResource * getStrings(const char * file, bool is_encoded) {
+	debug(7, "trying to read text ressources from %s", file);
+	FILE * is;
+	is = fopen(file, "rb");
+	if(is == NULL) return 0;
+	fseek(is, 0, SEEK_END);
+	int length = ftell(is);
+	fseek(is, 0, SEEK_SET);
+	char * filebuffer = new char [length + 1];
+	assert(filebuffer);
+	fread (filebuffer, length, 1, is);
+	filebuffer[length] = 0;
+	fclose(is);
+	if(is_encoded) {
+		static const int ETRS_HEADER_LENGTH = 16;
+		assert(length > ETRS_HEADER_LENGTH);
+		Chunck::type type = READ_BE_UINT32(filebuffer);
+		if(type != TYPE_ETRS) error("invalid type for file"); // mem leak !!!
+		char * old = filebuffer;
+		filebuffer = new char[length - ETRS_HEADER_LENGTH];
+		for(int i = ETRS_HEADER_LENGTH; i < length; i++)
+			filebuffer[i - ETRS_HEADER_LENGTH] = old[i] ^ 0xCC;
+		delete []old;
+		length -= ETRS_HEADER_LENGTH;
+	}
+	StringResource * sr = new StringResource;
+	assert(sr);
+	sr->init(filebuffer, length);
+	delete []filebuffer;
+	return sr;
+}
+
+bool SmushPlayer::readString(const char * file, bool & ft) {
+	const char * i = strrchr(file, '.');
+	if(i == NULL) error("invalid filename : %s", file);
+	char fname[260];
+	memcpy(fname, file, i - file);
+	strcpy(fname + (i - file), ".trs");
+	if((_strings = getStrings(fname, false)) != 0) {
+		ft = true;
+		return true;
+	}
+	i = strrchr(file, '\\');
+	if(i == NULL) i = strrchr(file, '/');
+	else {
+		char * j = strrchr(file, '/');
+		if(j > i) i = j;
+	}
+	if(i == NULL) error("invalid filename : %s", file);
+
+	memcpy(fname, file, i - file + 1);
+	strcpy(fname + (i - file + 1), "digtxt.trs");
+	if((_strings = getStrings(fname, true)) != 0) {
+		ft = false;
+		return true;
+	}
+	return false;
+}
+
+static FontRenderer * loadFont(const char * file, bool original = false) {
+#ifdef DEBUG
+	debug(5, "loading font from \"%s\"", file);
+#endif
+	FontRenderer * fr = new FontRenderer(original);
+	SmushPlayer p(fr, false, false);
+	p.play(file);
+	return fr;
+}
+
+bool SmushPlayer::play(const char * file) {
+#ifdef DEBUG
+	debug(5, "start of animation : %s", file);
+#endif	
+	char * i = strrchr(file, '\\');
+	if(i == NULL)
+	{
+		i = strrchr(file, '/');
+	} else {
+		char * j = strrchr(i, '/');
+		if(j != NULL)
+			i = j;
+	}
+	char directory[260];
+	if(i != NULL) {
+		strcpy(directory, file);
+		directory[i-file] = 0;
+		//! @todo remove this...
+		_fname = strdup(i);
+	} else {
+		directory[0] = 0;
+		_fname = strdup(file);
+	}
+	clean();
+	
+	if(_wait) {
+		bool isFullthrottle;
+		if(!readString(file, isFullthrottle))
+			warning("unable to read text information for \"%s\"", file);
+		if(_strings) {
+			if(isFullthrottle) {
+				if(strcmp(directory, "") == 0) {
+					strcpy(directory, "../data/");
+				} else {
+					char * i = strrchr(directory, '\\');
+					char * j = strrchr(directory, '/');
+					if(j > i) i = j;
+					if(i == NULL) {
+						strcpy(directory, "data/");
+					} else {
+						*i = 0;
+						strcat(directory, "/data/");
+					}
+				}
+				char file[260];
+				strcpy(file, directory); strcat(file, "scummfnt.nut");
+				_fr[0] = loadFont(file, true);
+				strcpy(file, directory); strcat(file, "titlfnt.nut");
+				_fr[2] = loadFont(file, true);
+			} else {
+				for(int i = 0; i < 4; i++) {
+					char file[260];
+					sprintf(file, "%s/font%d.nut",directory, i);
+					_fr[i] = loadFont(file, i != 0);
+				}
+			}
+		}
+	}
+	FileChunck base = FileChunck(file);
+
+	checkBlock(base, TYPE_ANIM); 
+
+	while(!base.eof()) {
+		Chunck * sub = base.subBlock();
+		switch(sub->getType()) {
+			case TYPE_AHDR:
+				handleAnimHeader(*sub);
+				break;
+			case TYPE_FRME:
+				handleFrame(*sub);
+				break;
+			default:
+				error("Unknown chunck found : %d, %d", sub->getType(), sub->getSize());
+		}
+		delete sub;
+		if(_renderer->prematureClose())
+			break;
+	}
+#ifdef DEBUG
+	debug(5, "end of animation");
+#endif	
+	if(_outputSound) {
+		_mixer->stop();
+	}
+	return true;
+}

scumm/smush/player.h

@@ -0,0 +1,104 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __PLAYER_H_
+#define __PLAYER_H_
+
+#include "config.h"
+
+#include "rect.h"
+#include "mixer.h"
+#include "chunck.h"
+#include "palette.h"
+#include "codec1.h"
+#include "codec37.h"
+#include "codec44.h"
+#include "codec47.h"
+#include "frenderer.h"
+
+class Renderer;
+
+class StringResource;
+
+/*!	@brief the SMUSH player class
+
+	This class is the player itself. 
+*/
+class SmushPlayer {
+private:
+	char * _fname;			//!< the name of the animation file being played
+	int _version;			//!< the version of the animation file being played
+	int _secondaryVersion;	//!< the secondary version number of the animation file being played
+	int _soundFrequency;		//!< the sound frequency of the animation file being played
+	int _nbframes;			//!< the number of frames in the animation file
+	Mixer * _mixer;			//!< the sound mixer
+	Palette _pal;			//!< the current palette
+	short _deltaPal[768];		//!< the delta palette information set by an xpal
+	Renderer * _renderer;		//!< pointer to the ::renderer
+	StringResource * _strings;	//!< pointer to the string resources associated with the animation
+	FontRenderer * _fr[4];		//!< pointers to the fonts for the animation
+	Codec1Decoder _codec1;	//!< the ::decoder for codec 1 and 3
+	Codec37Decoder _codec37;	//!< the ::decoder for codec 37
+	Codec44Decoder _codec44;	//!< the ::decoder for codec 21 and 44
+	DumpDecoder _codecd;	//!< the ::decoder for codec 21 and 44
+	Point _frameSize;		//!< the current frame size of the animation
+	int _frame;				//!< the current frame number of the animation
+	bool _outputSound;		//!< should we handle sound ?
+	bool _wait;				//!< should we synchronise the player ?
+	bool _alreadyInit;		//!< has the player already been initialized for the current frame
+	bool _codec37Called;		//!< has the codec 37 already been called once for this animation
+	bool _skipNext;			//!< should the player skip the next frame object ?
+	bool _subtitles;			//!< should the player handle subtitles ?
+	bool _bgmusic;			//!< should the player output the background music ?
+	bool _voices;			//!< should the player output the voice ?
+	bool _skips[37];			//!< mapping of frame object identifier to show or hide
+	char * _curBuffer;		//!< pointer to the current frame
+public:
+	SmushPlayer(Renderer *, bool wait = true, bool output_sound = true);
+	virtual ~SmushPlayer();
+	bool play(const char *);
+	void updatePalette(void);
+	void show(const char *);
+	void hide(const char *);
+protected:
+	bool readString(const char * file, bool &);
+	void clean();
+	void checkBlock(const Chunck &, Chunck::type, unsigned int = 0);
+	void handleAnimHeader(Chunck &);
+	void handleFrame(Chunck &);
+	void handleNewPalette(Chunck &);
+	void handleFrameObject(Chunck &);
+	void handleSoundBuffer(int, int, int, int, int, int, Chunck &, int);
+	void handleImuseBuffer(int, int, int, int, int, int, Chunck &, int);
+	void handleSoundFrame(Chunck &);
+	void handleSkip(Chunck &);
+	void handleStore(Chunck &);
+	void handleFetch(Chunck &);
+	void handleImuseAction8(Chunck &, int flags, int unknown, int track_id);
+	void handleImuseAction(Chunck &);
+	void handleTextResource(Chunck &);
+	void handleDeltaPalette(Chunck &);
+	void decodeCodec(Chunck &, const Rect &, Decoder &);
+	void readPalette(Palette &, Chunck &);
+	void initSize(const Rect &, bool, bool);
+};
+
+#endif

scumm/smush/rect.cpp

@@ -0,0 +1,62 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "rect.h"
+
+Rect::Rect() : _topLeft(0, 0), _bottomRight(0,0) { 
+}
+
+Rect::Rect(int x, int y) : _topLeft(0, 0), _bottomRight(x, y) {
+	check();
+}
+
+Rect::Rect(int x1, int y1, int x2, int y2) : _topLeft(x1, y1), _bottomRight(x2, y2) { 
+	check(); 
+}
+
+Rect::Rect(const Rect & r) : _topLeft(r._topLeft), _bottomRight(r._bottomRight) {
+}
+
+Rect & Rect::operator=(const Rect & r) {
+	_topLeft = r._topLeft;
+	_bottomRight = r._bottomRight;
+	return *this;
+}
+
+bool Rect::operator==(const Rect & r) const {
+	return _topLeft == r._topLeft && _bottomRight == r._bottomRight;
+}
+
+void Rect::check() {
+	if ((_topLeft.getX() < 0) || (_bottomRight.getX() < _topLeft.getX())  || (_topLeft.getY() < 0) || (_bottomRight.getY() < _topLeft.getY())) {
+		error("Invalid rect");
+	}
+}
+
+bool Rect::isInside(int x, int y) const {
+	return _topLeft.getX() >= x && _bottomRight.getX() < x && _topLeft.getY() >= y && _bottomRight.getY() < y;
+}
+
+bool Rect::isInside(const Point & p) const {
+	return (left() <= p.getX()) && (right() > p.getX()) && (top() <= p.getY()) && (bottom() > p.getY());
+}
+

scumm/smush/rect.h

@@ -0,0 +1,101 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __RECT_H_
+#define __RECT_H_
+
+#include "config.h"
+
+/*! 	@brief simple class for handling both 2D position and size
+
+	This small class is an helper for position and size values.
+*/
+class Point {
+private:
+	int _x;	//!< The horizontal part of the point
+	int _y;	//!< The vertical part of the point
+public:
+	Point() : _x(0), _y(0) {};
+	Point(const Point & p) : _x(p.getX()), _y(p.getY()) {};
+	explicit Point(int x, int y) : _x(x), _y(y) {};
+	Point & operator=(const Point & p) { _x = p.getX(); _y = p.getY(); return *this; };
+	bool operator==(const Point & p) const { return _x == p.getX() && _y == p.getY(); };
+	const int & getX() const { return _x; };
+	const int & getY() const { return _y; };
+	int & getX() { return _x; };
+	int & getY() { return _y; };
+	Point operator+(const Point & p) const { return Point(_x + p.getX(), _y+p.getY()); };
+	Point operator-(const Point & p) const { return Point(_x - p.getX(), _y-p.getY()); };
+	Point & operator+=(const Point & p) { _x += p.getX(); _y += p.getY(); return *this; };
+	Point & operator-=(const Point & p) { _x -= p.getX(); _y -= p.getY(); return *this; };
+	bool isOrigin() const { return *this == Point(0, 0); };
+	void set(int x, int y) { _x = x; _y = y; }
+};
+
+/*! 	@brief simple class for handling a rectangular zone.
+
+	This small class is an helper for rectangles.
+	It is mostly used by the blitter class.
+*/
+class Rect {
+private:
+	Point _topLeft;		//!< The point at the top left of the rectangle
+	Point _bottomRight;	//!< The point at the bottom right of the rectangle
+protected:
+	void check();
+public:
+	Rect();
+	Rect(int x, int y);
+	explicit Rect(const Point & size);
+	Rect(int x1, int y1, int x2, int y2);
+	Rect(const Point & topleft, const Point & bottomright);
+	Rect(const Rect & r);
+	Rect & operator=(const Rect & r);
+	bool operator==(const Rect & r) const;
+	Point size() const { return (_bottomRight - _topLeft); };
+	int width() const { return size().getX(); }
+	int height() const { return size().getY(); }
+	int left() const { return _topLeft.getX(); }
+	int right() const { return _bottomRight.getX(); }
+	int top() const { return _topLeft.getY(); }
+	int bottom() const { return _bottomRight.getY(); }
+	const Point & topLeft() const { return _topLeft; }
+	const Point & bottomRight() const { return _bottomRight; }
+
+	/*!	@brief check if given position is inside the rectangle
+		
+		@param x the horizontal position to check
+		@param y the vertical position to check	
+		
+		@return true if the given position is inside the rectangle, false otherwise
+	*/
+	bool isInside(int x, int y) const;
+	/*!	@brief check if given point is inside the rectangle
+		
+		@param p the point to check
+		
+		@return true if the given point is inside the rectangle, false otherwise
+	*/
+	bool isInside(const Point & p) const;
+	bool clip(Rect & r) const;
+};
+
+#endif

scumm/smush/renderer.h

@@ -0,0 +1,123 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __RENDERER_H_
+#define __RENDERER_H_
+
+#include "config.h"
+
+#include "rect.h"
+
+class Palette;
+class Mixer;
+	
+/*! 	@brief interface for general output (rendering)
+
+	This is the interface for frame output. 
+	Several implementations of these interface exist, each having a particular
+	application.
+*/
+class Renderer {
+public:
+	virtual ~Renderer() {};
+	/*!	@brief start of animation output
+		
+		This is called by the animation player when output is going to start.
+		
+		@param fname name of the animation being played.
+		@param version version number of the animation
+		@param nbframes total number of frames of the animation.
+		
+		@return true if initialisation was ok, false otherwise
+	*/
+	virtual bool startDecode(const char * fname, int version, int nbframes) = 0;
+	/*!	@brief start of animation output
+		
+		This is called by the animation player when the frame size is changing.
+		
+		@param size new size of the frames.
+		
+		@return true if everything went fine, false otherwise
+	*/
+	virtual bool initFrame(const Point & size) = 0;
+	/*!	@brief set a new palette
+		
+		This is called by the animation player when the palette is changing.
+		
+		@param pal new palette.
+		
+		@return true if everything went fine, false otherwise
+	*/
+	virtual bool setPalette(const Palette & pal) = 0;
+	/*!	@brief lock a frame buffer
+		
+		This is called by the animation player when a frame is going to be decoded.
+		
+		@param frame the frame number.
+		
+		@return a pointer to the frame buffer to output data to.
+	*/
+	virtual char * lockFrame(int frame) = 0;
+	/*!	@brief unlock a frame buffer
+		
+		This is called by the animation player when a frame has been decoded.
+		
+		@return true if everything went fine, false otherwise
+	*/
+	virtual bool unlockFrame() = 0;
+	/*!	@brief flip a frame buffer
+		
+		This is called by the animation player when the current frame should be shown.
+		
+		@return true if everything went fine, false otherwise
+	*/
+	virtual bool flipFrame() = 0;
+	/*!	@brief wait for some time
+		
+		This is called by the animation player when the animation should stay idle.
+		
+		@param ms number of millisecond to wait.
+		
+		@return true if everything went fine, false otherwise
+	*/
+	virtual bool wait(int ms) = 0;
+	/*!	@brief does the renderer want a premature end of the animation ?
+		
+		This is called by the animation player after each frame.
+		
+		@return true if playing should be stopped, false otherwise.
+	*/
+	virtual bool prematureClose() = 0;
+	/*!	@brief request for a mixer
+		
+		This is called by the animation player when sound output is required by the animation.
+		
+		@return a valid pointer to an uninitialized mixer instance, or null if none is available.
+	*/
+	virtual Mixer * getMixer() = 0;
+	/*!	@brief debugging function : do not use
+		
+		@return true if everything went fine, false otherwise
+	*/
+	virtual bool saveCurrent() { return false; };
+};
+
+#endif

scumm/smush/saud_channel.cpp

@@ -0,0 +1,274 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "channel.h"
+#include "chunck.h"
+#include "chunck_type.h"
+
+#include <assert.h>
+#include <string.h> // for memcpy.h
+#ifndef min
+#define min(x, y) ((x) > (y) ? (y) : (x))
+#endif
+
+void SaudChannel::handleStrk(Chunck & b) {
+	int size = b.getSize();
+	if(size != 14 && size != 10) {
+		error("STRK has a invalid size : %d", size);
+	}
+}
+
+void SaudChannel::handleSmrk(Chunck & b) {
+	_markReached = true;
+}
+
+void SaudChannel::handleShdr(Chunck & b) {
+	int size = b.getSize();
+	if(size != 4) warning("SMRK has a invalid size : %d", size);
+}
+
+bool SaudChannel::handleSubTags(int & offset) {
+	int available_size = _tbufferSize - offset;
+	if(available_size >= 8) {
+		Chunck::type type = READ_BE_UINT32(_tbuffer + offset);
+		unsigned int size = READ_BE_UINT32(_tbuffer + offset + 4);
+
+		switch(type) {
+			case TYPE_STRK:
+				_inData = false;
+				if(available_size >= (size + 8)) {
+					ContChunck c((char*)_tbuffer + offset);
+					handleStrk(c);
+				}
+				else
+					return false;
+				break;
+			case TYPE_SMRK:
+				_inData = false;
+				if(available_size >= (size + 8)) {
+					ContChunck c((char*)_tbuffer + offset);
+					handleSmrk(c);
+				}
+				else
+					return false;
+				break;
+			case TYPE_SHDR:
+				_inData = false;
+				if(available_size >= (size + 8)) {
+					ContChunck c((char*)_tbuffer + offset);
+					handleShdr(c);
+				}
+				else
+					return false;
+				break;
+			case TYPE_SDAT: 
+				_inData = true;
+				_dataSize = size;
+				offset += 8;
+				return false;
+			default:
+				error("unknown chunck in SAUD track : %s ", Chunck::ChunckString(type));
+		}
+		offset += size + 8;
+		return true;
+	}
+	return false;
+}
+
+bool SaudChannel::processBuffer() {
+	// At the start of this function, we have _tbuffer[0.._tbuffersize] containing possible data...
+	// and _sbuffer is 0
+	// At the end we have :
+	// if(sound data) _sbuffer[0.._sbuffer_size] contains the sound data
+	// the unprocessed data is kept in _tbuffer[0.._tbuffersize] (which may have changed)
+	// if no unprocessed data, then _tbuffer is 0
+	assert(_tbuffer != 0);
+	assert(_tbufferSize != 0);
+	assert(_sbuffer == 0);
+	assert(_sbufferSize == 0);
+	
+	if(_inData) {
+		if(_dataSize < _tbufferSize) {
+			// I can't assume that the channel is finished after data is received... (this assumption failed in realride.san)
+			int offset= _dataSize;
+			while(handleSubTags(offset));
+			_sbufferSize = _dataSize;
+			_sbuffer = _tbuffer;
+			if(offset < _tbufferSize) { // there is still some unprocessed data
+				int new_size = _tbufferSize - offset;
+				_tbuffer = new unsigned char[new_size];
+				if(!_tbuffer)  error("SaudChannel failed to allocate memory");
+				memcpy(_tbuffer, _sbuffer + offset, new_size);
+				_tbufferSize = new_size;
+			} else {
+				_tbuffer = 0;
+				_tbufferSize = 0;
+			}
+			if(_sbufferSize == 0) {
+				// this never happened yet, but who knows
+				delete []_sbuffer; 
+				_sbuffer = 0;
+			}
+		} else {
+			// easy, swap the buffer
+			_sbufferSize = _tbufferSize;
+			_sbuffer = _tbuffer;
+			_tbufferSize = 0;
+			_tbuffer = 0;
+		}
+	} else {
+		int offset = 0;
+		while(handleSubTags(offset));
+		if(_inData) {
+			_sbufferSize = _tbufferSize - offset;
+			assert(_sbufferSize);
+			_sbuffer = new unsigned char[_sbufferSize];
+			if(!_sbuffer)  error("saud_channel failed to allocate memory");
+			memcpy(_sbuffer, _tbuffer + offset, _sbufferSize);
+			delete []_tbuffer;
+			_tbuffer = 0;
+			_tbufferSize = 0;
+		} else {
+			if(offset) { // maybe I should assert() this to avoid a lock...
+				unsigned char * old = _tbuffer;
+				int new_size = _tbufferSize - offset;
+				_tbuffer = new unsigned char[new_size];
+				if(!_tbuffer)  error("SaudChannel failed to allocate memory");
+				memcpy(_tbuffer, old + offset, new_size);
+				_tbufferSize = new_size;
+				delete []old;
+			}
+		}
+	}
+	return true;
+}
+
+SaudChannel::SaudChannel(int track, int freq) : 
+			_track(track), 
+			_nbframes(0),
+			_dataSize(-1),
+			_tbuffer(0), 
+			_sbuffer(0), 
+			_frequency(freq),
+			_tbufferSize(0), 
+			_sbufferSize(0), 
+			_inData(false),
+			_markReached(false)
+			{
+}
+
+SaudChannel::~SaudChannel() {
+	if(_tbuffer) delete []_tbuffer;
+	if(_sbuffer) {
+		warning("this should never happen !!!! (_sbuffer not NULL here)");
+		delete []_sbuffer;
+	}
+}
+
+bool SaudChannel::isTerminated() const {
+	return (_markReached && _dataSize == 0 && _sbuffer == 0);
+}
+
+void SaudChannel::recalcVolumeTable() {
+	const int MAX_BALANCE = 100;
+	int volume_left, volume_right;
+	if(_balance < -MAX_BALANCE || _balance > MAX_BALANCE) {
+		error("balance is out of range ! : %d", _balance);
+	}
+	int left_multiplier = MAX_BALANCE - _balance;
+	int right_multiplier = MAX_BALANCE + _balance;
+	volume_left = _volume * left_multiplier / (MAX_BALANCE * 2);
+	volume_right = _volume * right_multiplier / (MAX_BALANCE * 2);
+	if(volume_left < 0) volume_left = 0;
+	if(volume_left > 128) volume_left = 128;
+	if(volume_right < 0) volume_right = 0;
+	if(volume_right > 128) volume_right = 128;
+	for(int i = 0; i < 256; i++) {
+		int value = volume_left * (signed char)i;
+		_voltable[0][i] = TO_BE_16(value);
+		value = volume_right * (signed char)i;
+		_voltable[1][i] = TO_BE_16(value);
+	}
+}
+
+bool SaudChannel::setParameters(int nb, int flags, int volume, int balance) {
+	_nbframes = nb;
+	_flags = flags; // bit 7 == IS_VOICE, bit 6 == IS_BACKGROUND_MUSIC, other ??
+	_volume = volume;
+	_balance = balance;
+	_index = 0;
+	recalcVolumeTable();
+	return true;
+}
+
+bool SaudChannel::checkParameters(int index, int nb, int flags, int volume, int balance) {
+	if(++_index != index) error("invalid index in SaudChannel::checkParameters()");
+	if(_nbframes != nb) error("invalid duration in SaudChannel::checkParameters()");
+	if(_flags != flags) error("invalid flags in SaudChannel::checkParameters()");
+	if(_volume != volume || _balance != balance) {
+		_volume = volume;
+		_balance = balance;
+		recalcVolumeTable();
+	}
+	return true;
+}
+
+bool SaudChannel::appendData(Chunck & b, int size) {
+	if(_dataSize == -1) { // First call
+		assert(size > 8);
+		Chunck::type saud_type = b.getDword(); saud_type = TO_BE_32(saud_type);
+		unsigned int saud_size = b.getDword(); saud_size = TO_BE_32(saud_size);
+		if(saud_type != TYPE_SAUD) error("Invalid CHUNCK for SaudChannel : %X", saud_type);
+		size -= 8;
+		_dataSize = -2; // We don't get here again...
+	}
+	if(_tbuffer) {
+		unsigned char * old = _tbuffer;
+		_tbuffer = new unsigned char[_tbufferSize + size];
+		if(!_tbuffer)  error("saud_channel failed to allocate memory");
+		memcpy(_tbuffer, old, _tbufferSize);
+		delete []old;
+		b.read(_tbuffer + _tbufferSize, size);
+		_tbufferSize += size;
+	} else {
+		_tbufferSize = size;
+		_tbuffer = new unsigned char[_tbufferSize];
+		if(!_tbuffer)  error("saud_channel failed to allocate memory");
+		b.read(_tbuffer, _tbufferSize);
+	}
+	return processBuffer();
+}
+
+int SaudChannel::availableSoundData(void) const {
+	return _sbufferSize;
+}
+
+void SaudChannel::getSoundData(short * snd, int size) {
+	for(int i = 0; i < size; i++) {
+		snd[2 * i] = _voltable[0][_sbuffer[i] ^ 0x80];
+		snd[2 * i + 1] = _voltable[1][_sbuffer[i] ^ 0x80];
+	}
+	_dataSize -= size;
+	delete []_sbuffer;
+	_sbuffer = 0;
+	_sbufferSize = 0;
+}

scumm/smush/scumm_renderer.cpp

@@ -0,0 +1,266 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <stdafx.h>
+#include "scumm_renderer.h"
+#include "channel.h"
+
+class scumm_mixer : public Mixer {
+private:
+	SoundMixer * _mixer; //!< pointer to the SoundMixer instance
+	struct {
+		int id;
+		_Channel * chan;
+		bool first;
+		int mixer_index;
+	} _channels[SoundMixer::NUM_CHANNELS];		//!< The map of track and channels
+	int _nextIndex;
+public:
+	scumm_mixer(SoundMixer *);
+	virtual ~scumm_mixer();
+	bool init();
+	_Channel * findChannel(int track);
+	bool addChannel(_Channel * c);
+	bool handleFrame();
+	bool stop();
+	bool update();
+};
+
+scumm_mixer::scumm_mixer(SoundMixer * m) : _mixer(m), _nextIndex(0) {
+	for(int i = 0; i < SoundMixer::NUM_CHANNELS; i++) {
+		_channels[i].id = -1;
+		_channels[i].chan = 0;
+		_channels[i].first = true;
+	}
+}
+
+scumm_mixer::~scumm_mixer() {
+}
+
+bool scumm_mixer::init() {
+	debug(9, "scumm_mixer::init()");
+	return true;
+}
+
+_Channel * scumm_mixer::findChannel(int track) {
+	debug(9, "scumm_mixer::findChannel(%d)", track);
+	for(int i = 0; i < SoundMixer::NUM_CHANNELS; i++) {
+		if(_channels[i].id == track)
+			return _channels[i].chan;
+	}
+	return 0;
+}
+
+bool scumm_mixer::addChannel(_Channel * c) {
+	int track = c->getTrackIdentifier();
+	int i;
+
+	debug(9, "scumm_mixer::addChannel(%d)", track);
+
+	for(i = 0; i < SoundMixer::NUM_CHANNELS; i++) {
+		if(_channels[i].id == track)
+			warning("mixer::addChannel(%d) : channel already exist !", track);
+	}
+	if(_nextIndex >= SoundMixer::NUM_CHANNELS) _nextIndex = 0;
+
+	for(i = _nextIndex; i < SoundMixer::NUM_CHANNELS; i++) {
+		if(_channels[i].chan == 0 || _channels[i].id == -1) {
+			_channels[i].chan = c;
+			_channels[i].id = track;
+			_channels[i].first = true;
+			_nextIndex = i + 1;
+			return true;
+		}
+	}
+
+	for(i = 0; i < _nextIndex; i++) {
+		if(_channels[i].chan == 0 || _channels[i].id == -1)	{
+			_channels[i].chan = c;
+			_channels[i].id = track;
+			_channels[i].first = true;
+			_nextIndex = i + 1;
+			return true;
+		}
+	}
+
+	fprintf(stderr, "_nextIndex == %d\n", _nextIndex);
+
+	for(i = 0; i < SoundMixer::NUM_CHANNELS; i++) {
+		fprintf(stderr, "channel %d : %p(%d, %d) %d %d\n", i, _channels[i].chan, 
+			_channels[i].chan ? _channels[i].chan->getTrackIdentifier() : -1, 
+			_channels[i].chan ? _channels[i].chan->isTerminated() : 1, 
+			_channels[i].first, _channels[i].mixer_index);
+	}
+
+	error("mixer::add_channel() : no more channel available");
+	return false;
+}
+
+bool scumm_mixer::handleFrame() {
+	debug(9, "scumm_mixer::handleFrame()");
+	for(int i = 0; i < SoundMixer::NUM_CHANNELS; i++) {
+		if(_channels[i].id != -1) {
+			debug(9, "updating channel %d (%p)", _channels[i].id, _channels[i].chan);
+			if(_channels[i].chan->isTerminated()) {
+				debug(9, "channel %d has terminated (%p)", _channels[i].id, _channels[i].chan);
+				delete _channels[i].chan;
+				_channels[i].id = -1;
+				_channels[i].chan = 0;
+			} else {
+				int rate;
+				bool stereo, is_short;
+
+				_channels[i].chan->getParameters(rate, stereo, is_short);
+				int size = _channels[i].chan->availableSoundData();
+				debug(9, "channel %d : %d, %s, %d bits, %d", _channels[i].id, rate, stereo ? "stereo" : "mono", is_short ? 16 : 8, size);
+				int flags = stereo ? SoundMixer::FLAG_STEREO : 0;
+
+				if(is_short) {
+					// FIXME this is one more data copy... we could get rid of it...
+					short * data = new short[size * (stereo ? 2 : 1)];
+					_channels[i].chan->getSoundData(data, size);
+					size *= stereo ? 4 : 2;
+
+					// append to _sound
+					if(_channels[i].first) {
+						_channels[i].mixer_index = _mixer->playStream(NULL, -1, data, size, rate, flags | SoundMixer::FLAG_16BITS);
+						debug(5, "channel %d bound to mixer_index %d", _channels[i].id, _channels[i].mixer_index);
+						_channels[i].first = false;
+					} else {
+						_mixer->append(_channels[i].mixer_index, data, size, rate, flags | SoundMixer::FLAG_16BITS);
+					}
+
+					delete []data;
+				} else {
+					char * data = new char[size*(stereo ? 2 : 1)];
+					_channels[i].chan->getSoundData(data, size);
+					size *= stereo ? 2 : 1;
+
+					// append to _sound
+					if(_channels[i].first) {
+						_channels[i].mixer_index = _mixer->playStream(NULL, -1, data, size, rate, flags | SoundMixer::FLAG_UNSIGNED);
+						_channels[i].first = false;
+					} else {
+						_mixer->append(_channels[i].mixer_index, data, size, rate, flags | SoundMixer::FLAG_UNSIGNED);
+					}
+
+					delete []data;
+				}
+			}
+		}
+	}
+	return true;
+}
+
+bool scumm_mixer::stop() {
+	debug(9, "scumm_mixer::stop()");
+	for(int i = 0; i < SoundMixer::NUM_CHANNELS; i++) {
+		if(_channels[i].id != -1) {
+				delete _channels[i].chan;
+				_channels[i].id = -1;
+				_channels[i].chan = 0;
+		}
+	}
+	//~ _mixer->stopAll();
+	return true;
+}
+
+ScummRenderer::ScummRenderer(Scumm * scumm) : _scumm(scumm), _smixer(0) {
+}
+
+static ScummRenderer * s_renderer;
+
+static void smush_handler(Scumm * scumm) {
+	s_renderer->update();
+}
+
+Mixer * ScummRenderer::getMixer() {
+	if(_smixer == 0) {
+		_scumm->_sound->pauseBundleMusic(true);
+		_smixer = new scumm_mixer(_scumm->_mixer);
+		if(!_smixer) error("unable to allocate a smush mixer");
+		s_renderer = this;
+		_scumm->_timer->installProcedure(&smush_handler, 75);
+	}
+	return _smixer;
+}
+
+ScummRenderer::~ScummRenderer() {
+	_scumm->_insaneState = 0;
+	_scumm->exitCutscene();
+	if(_smixer) {
+		_scumm->_timer->releaseProcedure(&smush_handler);
+		delete _smixer;
+		_smixer = 0;
+	}
+	_scumm->_sound->pauseBundleMusic(false);
+}
+
+bool ScummRenderer::wait(int ms) {
+	while(_wait) {
+		_scumm->waitForTimer(1);
+	}
+	return true; 
+}
+
+bool ScummRenderer::startDecode(const char * fname, int version, int nbframes) {
+	_scumm->_sound->pauseBundleMusic(true);
+	_scumm->videoFinished = 0;
+	_scumm->_insaneState = 1;
+	return true;
+}
+
+bool ScummRenderer::setPalette(const Palette & pal) {
+	int i;
+	byte palette_colors[1024];
+	byte *p = palette_colors;
+
+	for (i = 0; i < 256; i++, p += 4) {
+		p[0] = pal[i].red();
+		p[1] = pal[i].green();
+		p[2] = pal[i].blue();
+		p[3] = 0;
+	}
+
+	_scumm->_system->set_palette(palette_colors, 0, 256);
+	_scumm->setDirtyColors(0, 255);
+	return BaseRenderer::setPalette(pal); // For compatibility with possible subclass...
+}
+
+void ScummRenderer::save(int frame) {
+	int width = min(getWidth(), _scumm->_realWidth); 
+	int height = min(getHeight(), _scumm->_realHeight);
+	
+	_scumm->_system->copy_rect((const byte *)data(), getWidth(), 0, 0, width, height);
+	_scumm->_system->update_screen();
+	_scumm->processKbd();
+	_wait = true;
+}
+
+bool ScummRenderer::prematureClose() { 
+	return _scumm->videoFinished; 
+}
+
+bool ScummRenderer::update() {
+	_wait = false;
+	return true;
+}
+

scumm/smush/scumm_renderer.h

@@ -0,0 +1,66 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef __SCUMM_RENDERER_H_
+#define __SCUMM_RENDERER_H_
+
+#include "config.h"
+
+#ifdef DEBUG
+# ifndef NO_DEBUG_SCUMM_RENDERER
+#  define DEBUG_SCUMM_RENDERER
+# endif
+#else
+# ifdef DEBUG_SCUMM_RENDERER
+#  error DEBUG_SCUMM_RENDERER defined without DEBUG
+# endif
+#endif
+
+#include "brenderer.h"
+#include "mixer.h"
+#include "rect.h"
+#include "blitter.h"
+
+#ifndef min
+#define min(x, y) ((x) > (y) ? (y) : (x))
+#endif
+
+class scumm_mixer;
+
+class ScummRenderer : public BaseRenderer {
+private:
+	Scumm * _scumm;
+	scumm_mixer * _smixer;
+	volatile bool _wait;
+public:
+	ScummRenderer(Scumm * scumm);
+	virtual ~ScummRenderer();
+	virtual bool wait(int ms);
+	bool update();
+protected:
+	virtual bool startDecode(const char * fname, int version, int nbframes);
+	virtual bool setPalette(const Palette & pal);
+	virtual void save(int frame = -1);
+	virtual Mixer * getMixer();
+	virtual bool prematureClose();
+};
+
+#endif

simon/simon.cpp

@@ -128,7 +128,7 @@ SimonState::SimonState(GameDetector *detector, OSystem *syst)
 	_game = detector->_gameId;
 
 	/* Setup mixer */
-	if (!_mixer->bind_to_system(syst))
+	if (!_mixer->bindToSystem(syst))
 		warning("Sound initialization failed. "
 						"Features of the game that depend on sound synchronization will most likely break");
 	set_volume(detector->_sfx_volume);
@@ -3296,7 +3296,7 @@ void SimonState::readSfxFile(const char *filename)
 		fseek(in, 0, SEEK_SET);
 
 		/* stop all sounds */
-		_mixer->stop_all();
+		_mixer->stopAll();
 
 		if (_sfx_heap)
 			free(_sfx_heap);
@@ -4038,7 +4038,6 @@ void SimonState::read_vga_from_datfile_1(uint vga_id)
 		FILE *in;
 		char buf[50];
 		uint32 size;
-
 		// FIXME - weird hack to make the beard show up when wearing it (see bug #590800) 
 		if (vga_id == 328) 
 			sprintf(buf, "0119.VGA"); 
@@ -4798,7 +4797,7 @@ void SimonState::playVoice(uint voice)
 		byte *buffer = (byte *)malloc(data[1]);
 		fread(buffer, data[1], 1, _voice_file);
 
-		_mixer->play_raw(&_voice_sound, buffer, data[1], READ_LE_UINT32(&wave_hdr.samples_per_sec),
+		_mixer->playRaw(&_voice_sound, buffer, data[1], READ_LE_UINT32(&wave_hdr.samples_per_sec),
 										 SoundMixer::FLAG_UNSIGNED);
 	} else {											/* VOC audio */
 		VocHeader voc_hdr;
@@ -4821,7 +4820,7 @@ void SimonState::playVoice(uint voice)
 		byte *buffer = (byte *)malloc(size);
 		fread(buffer, size, 1, _voice_file);
 
-		_mixer->play_raw(&_voice_sound, buffer, size, samples_per_sec, SoundMixer::FLAG_UNSIGNED);
+		_mixer->playRaw(&_voice_sound, buffer, size, samples_per_sec, SoundMixer::FLAG_UNSIGNED);
 	}
 }
 
@@ -4854,7 +4853,7 @@ void SimonState::playSound(uint sound)
 			byte *buffer = (byte *)malloc(size);
 			fread(buffer, size, 1, _effects_file);
 
-			_mixer->play_raw(&_effects_sound, buffer, size, samples_per_sec, SoundMixer::FLAG_UNSIGNED);
+			_mixer->playRaw(&_effects_sound, buffer, size, samples_per_sec, SoundMixer::FLAG_UNSIGNED);
 		} else {
 			byte *p;
 
@@ -4880,7 +4879,7 @@ void SimonState::playSound(uint sound)
 				p++;
 			}
 
-			_mixer->play_raw(&_playing_sound, p + 8, READ_LE_UINT32(p + 4), 22050,
+			_mixer->playRaw(&_playing_sound, p + 8, READ_LE_UINT32(p + 4), 22050,
 											 SoundMixer::FLAG_UNSIGNED);
 		}
 	} else {
@@ -4938,7 +4937,7 @@ void SimonState::dx_unlock_attached()
 
 void SimonState::set_volume(byte volume)
 {
-	_mixer->set_volume(volume);
+	_mixer->setVolume(volume);
 }
 
 

simon/vga.cpp

@@ -1367,7 +1367,7 @@ void SimonState::vc_28()
 
 void SimonState::vc_29_stop_all_sounds()
 {
-	_mixer->stop_all();
+	_mixer->stopAll();
 }
 
 void SimonState::vc_30_set_base_delay()

sound/mididrv.cpp

@@ -1075,7 +1075,7 @@ MidiDriver_MIDIEMU::MidiDriver_MIDIEMU()
 int MidiDriver_MIDIEMU::open(int mode)
 {
 	_opl = OPLCreate(OPL_TYPE_YM3812, 3579545, g_system->property(OSystem::PROP_GET_SAMPLE_RATE, 0));
-	g_mixer->setup_premix((void *)this, premix_proc);
+	g_mixer->setupPremix((void *)this, premix_proc);
 	if (_stream_proc)
 		g_system->create_thread(midiemu_callback_thread, this);
 	return 0;

sound/mixer.cpp

@@ -23,19 +23,15 @@
 #include "stdafx.h"
 #include "scumm.h"
 
-SoundMixer::SoundMixer()
+SoundMixer::SoundMixer() {
-{
+	_volumeTable = (int16 *)calloc(256 * sizeof(int16), 1);
-	_volume_table = (int16 *)calloc(256 * sizeof(int16), 1);
 }
 
-SoundMixer::~SoundMixer()
+SoundMixer::~SoundMixer() {
-{
+	free(_volumeTable);
-	free(_volume_table);
 }
 
-void SoundMixer::uninsert(Channel * chan)
+void SoundMixer::unInsert(Channel * chan) {
-{
-
 	for (int i = 0; i != NUM_CHANNELS; i++) {
 		if (_channels[i] == chan) {
 			if (_handles[i]) {
@@ -49,14 +45,13 @@ void SoundMixer::uninsert(Channel * chan)
 	error("SoundMixer::channel_deleted chan not found");
 }
 
-int SoundMixer::append(int index, void *sound, uint32 size, uint rate, byte flags)
+int SoundMixer::append(int index, void * sound, uint32 size, uint rate, byte flags) {
-{
 	_syst->lock_mutex(_mutex);
 
-	Channel *chan = _channels[index];
+	Channel * chan = _channels[index];
 	if (!chan) {
-		warning("Trying to stream to an unexistant streamer ");
+		warning("Trying to stream to an unexistant streamer : %d", index);
-		play_stream(NULL, index, sound, size, rate, flags);
+		playStream(NULL, index, sound, size, rate, flags);
 		chan = _channels[index];
 	} else {
 		chan->append(sound, size);
@@ -68,8 +63,15 @@ int SoundMixer::append(int index, void *sound, uint32 size, uint rate, byte flag
 	return 1;
 }
 
-int SoundMixer::insert_at(PlayingSoundHandle *handle, int index, Channel * chan)
+int SoundMixer::insertAt(PlayingSoundHandle * handle, int index, Channel * chan) {
-{
+	if(index == -1) {
+		for (int i = 0; i != NUM_CHANNELS; i++)
+			if (_channels[i] == NULL) { index = i; break; }
+		if(index == -1) {
+			warning("SoundMixer::out of mixer slots");
+			return -1;
+		}
+	}
 	if (_channels[index] != NULL) {
 		error("Trying to put a mixer where it cannot go ");
 	}
@@ -80,12 +82,11 @@ int SoundMixer::insert_at(PlayingSoundHandle *handle, int index, Channel * chan)
 	return index;
 }
 
-int SoundMixer::play_raw(PlayingSoundHandle *handle, void *sound, uint32 size, uint rate,
+int SoundMixer::playRaw(PlayingSoundHandle * handle, void * sound, uint32 size, uint rate,
-												 byte flags)
+												 byte flags) {
-{
 	for (int i = 0; i != NUM_CHANNELS; i++) {
 		if (_channels[i] == NULL) {
-			return insert_at(handle, i, new Channel_RAW(this, sound, size, rate, flags));
+			return insertAt(handle, i, new ChannelRaw(this, sound, size, rate, flags));
 		}
 	}
 
@@ -93,30 +94,27 @@ int SoundMixer::play_raw(PlayingSoundHandle *handle, void *sound, uint32 size, u
 	return -1;
 }
 
-int SoundMixer::play_stream(PlayingSoundHandle *handle, int idx, void *sound, uint32 size,
+int SoundMixer::playStream(PlayingSoundHandle * handle, int idx, void * sound, uint32 size,
-														uint rate, byte flags)
+														uint rate, byte flags) {
-{
+	return insertAt(handle, idx, new ChannelStream(this, sound, size, rate, flags));
-	return insert_at(handle, idx, new Channel_STREAM(this, sound, size, rate, flags));
 }
 
 #ifdef COMPRESSED_SOUND_FILE
-int SoundMixer::play_mp3(PlayingSoundHandle *handle, void *sound, uint32 size, byte flags)
+int SoundMixer::playMP3(PlayingSoundHandle * handle, void *sound, uint32 size, byte flags) {
-{
 	for (int i = 0; i != NUM_CHANNELS; i++) {
 		if (_channels[i] == NULL) {
-			return insert_at(handle, i, new Channel_MP3(this, sound, size, flags));
+			return insertAt(handle, i, new ChannelMP3(this, sound, size, flags));
 		}
 	}
 
 	warning("SoundMixer::out of mixer slots");
 	return -1;
 }
-int SoundMixer::play_mp3_cdtrack(PlayingSoundHandle *handle, FILE * file, mad_timer_t duration)
+int SoundMixer::playMP3CDTrack(PlayingSoundHandle * handle, FILE * file, mad_timer_t duration) {
-{
 	/* Stop the previously playing CD track (if any) */
 	for (int i = 0; i != NUM_CHANNELS; i++) {
 		if (_channels[i] == NULL) {
-			return insert_at(handle, i, new Channel_MP3_CDMUSIC(this, file, duration));
+			return insertAt(handle, i, new ChannelMP3CDMusic(this, file, duration));
 		}
 	}
 
@@ -125,16 +123,15 @@ int SoundMixer::play_mp3_cdtrack(PlayingSoundHandle *handle, FILE * file, mad_ti
 }
 #endif
 
-void SoundMixer::mix(int16 *buf, uint len)
+void SoundMixer::mix(int16 *buf, uint len) {
-{
 	if (_paused) {
 		memset(buf, 0, 2 * len * sizeof(int16));
 		return;
 	}
 	
-	if (_premix_proc) {
+	if (_premixProc) {
 		int i;
-		_premix_proc(_premix_param, buf, len);
+		_premixProc(_premixParam, buf, len);
 		for (i = (len - 1); i >= 0; i--) {
 			buf[2 * i] = buf[2 * i + 1] = buf[i];
 		}
@@ -151,16 +148,14 @@ void SoundMixer::mix(int16 *buf, uint len)
 	_syst->unlock_mutex(_mutex);
 }
 
-void SoundMixer::on_generate_samples(void *s, byte *samples, int len)
+void SoundMixer::onGenerateSamples(void * s, byte * samples, int len) {
-{
 	((SoundMixer *)s)->mix((int16 *)samples, len >> 2);
 }
 
-bool SoundMixer::bind_to_system(OSystem *syst)
+bool SoundMixer::bindToSystem(OSystem * syst) {
-{
 	uint rate = (uint) syst->property(OSystem::PROP_GET_SAMPLE_RATE, 0);
 
-	_output_rate = rate;
+	_outputRate = rate;
 
 	_syst = syst;
 	_mutex = _syst->create_mutex();
@@ -168,49 +163,42 @@ bool SoundMixer::bind_to_system(OSystem *syst)
 	if (rate == 0)
 		error("OSystem returned invalid sample rate");
 
-	return syst->set_sound_proc(this, on_generate_samples, OSystem::SOUND_16BIT);
+	return syst->set_sound_proc(this, onGenerateSamples, OSystem::SOUND_16BIT);
 }
 
-void SoundMixer::stop_all()
+void SoundMixer::stopAll() {
-{
 	for (int i = 0; i != NUM_CHANNELS; i++)
 		if (_channels[i])
 			_channels[i]->destroy();
 }
 
-void SoundMixer::stop(PlayingSoundHandle psh)
+void SoundMixer::stop(PlayingSoundHandle psh) {
-{
 	if (psh && _channels[psh - 1])
 		_channels[psh - 1]->destroy();
 }
 
-void SoundMixer::stop(int index)
+void SoundMixer::stop(int index) {
-{
 	if (_channels[index])
 		_channels[index]->destroy();
 }
 
-void SoundMixer::pause(bool paused)
+void SoundMixer::pause(bool paused) {
-{
 	_paused = paused;
 }
 
-bool SoundMixer::has_active_channel()
+bool SoundMixer::hasActiveChannel() {
-{
 	for (int i = 0; i != NUM_CHANNELS; i++)
 		if (_channels[i])
 			return true;
 	return false;
 }
 
-void SoundMixer::setup_premix(void *param, PremixProc *proc)
+void SoundMixer::setupPremix(void * param, PremixProc * proc) {
-{
+	_premixParam = param;
-	_premix_param = param;
+	_premixProc = proc;
-	_premix_proc = proc;
 }
 
-void SoundMixer::set_volume(int volume)
+void SoundMixer::setVolume(int volume) {
-{
 	int i;
 
 	// Check range
@@ -221,55 +209,51 @@ void SoundMixer::set_volume(int volume)
 
 	// The volume table takes 8 bit unsigned data as index and returns 16 bit signed
 	for (i = 0; i < 128; i++)
-		_volume_table[i] = i * volume;
+		_volumeTable[i] = i * volume;
 
 	for (i = -128; i < 0; i++)
-		_volume_table[i+256] = i * volume;
+		_volumeTable[i + 256] = i * volume;
 }
 
-void SoundMixer::set_music_volume(int volume)
+void SoundMixer::setMusicVolume(int volume) {
-{
 	// Check range
 	if (volume > 256)
 		volume = 256;
 	else if (volume < 0)
 		volume = 0;
 
-	_music_volume = volume;
+	_musicVolume = volume;
 }
 
 #ifdef COMPRESSED_SOUND_FILE
-bool SoundMixer::Channel::sound_finished()
+bool SoundMixer::Channel::soundFinished() {
-{
 	warning("sound_finished should never be called on a non-MP3 mixer ");
 	return false;
 }
 #endif
 
-void SoundMixer::Channel::append(void *sound, uint32 size)
+void SoundMixer::Channel::append(void * sound, uint32 size) {
-{
 	error("append method should never be called on something else than a _STREAM mixer ");
 }
 
 /* RAW mixer */
-SoundMixer::Channel_RAW::Channel_RAW(SoundMixer *mixer, void *sound, uint32 size, uint rate,
+SoundMixer::ChannelRaw::ChannelRaw(SoundMixer * mixer, void * sound, uint32 size, uint rate,
-																		 byte flags)
+																 byte flags) {
-{
 	_mixer = mixer;
 	_flags = flags;
 	_ptr = sound;
 	_pos = 0;
-	_fp_pos = 0;
+	_fpPos = 0;
-	_fp_speed = (1 << 16) * rate / mixer->_output_rate;
+	_fpSpeed = (1 << 16) * rate / mixer->_outputRate;
-	_to_be_destroyed = false;
+	_toBeDestroyed = false;
-	_realsize = size;
+	_realSize = size;
 
 	// adjust the magnitude to prevent division error
 	while (size & 0xFFFF0000)
 		size >>= 1, rate = (rate >> 1) + 1;
 
 	_rate = rate;
-	_size = size * mixer->_output_rate / rate;
+	_size = size * mixer->_outputRate / rate;
 	if (_flags & FLAG_16BITS)
 		_size = _size >> 1;
 	if (_flags & FLAG_STEREO)
@@ -288,7 +272,7 @@ protected:
 	int a, b, c, d;
 	
 public:
-	CubicInterpolator(int a, int b, int c) : x0(2*a-b), x1(a), x2(b), x3(c)
+	CubicInterpolator(int a, int b, int c) : x0(2 * a - b), x1(a), x2(b), x3(c)
 	{
 		// We use a simple linear interpolation for x0
 		updateCoefficients();
@@ -299,7 +283,7 @@ public:
 		x0 = x1;
 		x1 = x2;
 		x2 = x3;
-		x3 = 2*x2-x1;	// Simple linear interpolation
+		x3 = 2 * x2 - x1;	// Simple linear interpolation
 		updateCoefficients();
 	}
 
@@ -313,14 +297,14 @@ public:
 	}
 	
 	/* t must be a 16.16 fixed point number between 0 and 1 */
-	inline int interpolate(uint32 fp_pos)
+	inline int interpolate(uint32 fpPos)
 	{
 		int result = 0;
-		int t = fp_pos >> 8;
+		int t = fpPos >> 8;
-		result = (a*t + b) >> 8;
+		result = (a * t + b) >> 8;
 		result = (result * t + c) >> 8;
 		result = (result * t + d) >> 8;
-		result = (result/3 + 1) >> 1;
+		result = (result / 3 + 1) >> 1;
 		
 		return result;
 	}
@@ -328,15 +312,14 @@ public:
 protected:
 	inline void updateCoefficients()
 	{
-		a = ((-x0*2)+(x1*5)-(x2*4)+x3);
+		a = ((-x0 * 2) + (x1 * 5) - (x2 * 4) + x3);
-		b = ((x0+x2-(2*x1))*6) << 8;
+		b = ((x0 + x2 - (2 * x1)) * 6) << 8;
-		c = ((-4*x0)+x1+(x2*4)-x3) << 8;
+		c = ((-4 * x0) + x1 + (x2 * 4) - x3) << 8;
-		d = (x1*6) << 8;
+		d = (x1 * 6) << 8;
 	}
 };
 
-static inline int clamped_add_16(int a, int b)
+static inline int clamped_add_16(int a, int b) {
-{
 	int val = a + b;
 
 	if (val > 32767) {
@@ -347,15 +330,14 @@ static inline int clamped_add_16(int a, int b)
 		return val;
 }
 
-static int16 *mix_signed_mono_8(int16 *data, uint * len_ptr, byte **s_ptr, uint32 *fp_pos_ptr,
+static int16 * mix_signed_mono_8(int16 * data, uint * len_ptr, byte ** s_ptr, uint32 * fp_pos_ptr,
-																int fp_speed, const int16 *vol_tab, byte *s_end)
+								int fp_speed, const int16 * vol_tab, byte * s_end) {
-{
 	uint32 fp_pos = *fp_pos_ptr;
 	byte *s = *s_ptr;
 	uint len = *len_ptr;
 	
 	int inc = 1, result;
-	CubicInterpolator	interp(vol_tab[*s], vol_tab[*(s+1)], vol_tab[*(s+2)]);
+	CubicInterpolator interp(vol_tab[*s], vol_tab[*(s + 1)], vol_tab[*(s + 2)]);
 
 	do {
 		do {
@@ -373,8 +355,8 @@ static int16 *mix_signed_mono_8(int16 *data, uint * len_ptr, byte **s_ptr, uint3
 			fp_pos &= 0x0000FFFF;
 		} while (!inc && len && (s < s_end));
 		
-		if (s+2 < s_end)
+		if (s + 2 < s_end)
-			interp.feedData(vol_tab[*(s+2)]);
+			interp.feedData(vol_tab[*(s + 2)]);
 		else
 			interp.feedData();
 
@@ -386,15 +368,15 @@ static int16 *mix_signed_mono_8(int16 *data, uint * len_ptr, byte **s_ptr, uint3
 
 	return data;
 }
-static int16 *mix_unsigned_mono_8(int16 *data, uint * len_ptr, byte **s_ptr, uint32 *fp_pos_ptr,
+
-																	int fp_speed, const int16 *vol_tab, byte *s_end)
+static int16 * mix_unsigned_mono_8(int16 * data, uint * len_ptr, byte ** s_ptr, uint32 * fp_pos_ptr,
-{
+											int fp_speed, const int16 * vol_tab, byte * s_end) {
 	uint32 fp_pos = *fp_pos_ptr;
 	byte *s = *s_ptr;
 	uint len = *len_ptr;
 	
 	int inc = 1, result;
-	CubicInterpolator	interp(vol_tab[*s ^ 0x80], vol_tab[*(s+1) ^ 0x80], vol_tab[*(s+2) ^ 0x80]);
+	CubicInterpolator interp(vol_tab[*s ^ 0x80], vol_tab[*(s + 1) ^ 0x80], vol_tab[*(s + 2) ^ 0x80]);
 
 	do {
 		do {
@@ -412,8 +394,8 @@ static int16 *mix_unsigned_mono_8(int16 *data, uint * len_ptr, byte **s_ptr, uin
 			fp_pos &= 0x0000FFFF;
 		} while (!inc && len && (s < s_end));
 
-		if (s+2 < s_end)
+		if (s + 2 < s_end)
-			interp.feedData(vol_tab[*(s+2) ^ 0x80]);
+			interp.feedData(vol_tab[*(s + 2) ^ 0x80]);
 		else
 			interp.feedData();
 
@@ -425,23 +407,22 @@ static int16 *mix_unsigned_mono_8(int16 *data, uint * len_ptr, byte **s_ptr, uin
 
 	return data;
 }
-static int16 *mix_signed_stereo_8(int16 *data, uint * len_ptr, byte **s_ptr, uint32 *fp_pos_ptr,
+
-																	int fp_speed, const int16 *vol_tab, byte *s_end)
+static int16 * mix_signed_stereo_8(int16 * data, uint * len_ptr, byte ** s_ptr, uint32 * fp_pos_ptr,
-{
+										int fp_speed, const int16 * vol_tab, byte *s_end) {
 	warning("Mixing stereo signed 8 bit is not supported yet ");
 
 	return data;
 }
-static int16 *mix_unsigned_stereo_8(int16 *data, uint * len_ptr, byte **s_ptr, uint32 *fp_pos_ptr,
+static int16 * mix_unsigned_stereo_8(int16 * data, uint * len_ptr, byte ** s_ptr, uint32 * fp_pos_ptr,
-																		int fp_speed, const int16 *vol_tab, byte *s_end)
+										int fp_speed, const int16 * vol_tab, byte * s_end) {
-{
 	uint32 fp_pos = *fp_pos_ptr;
 	byte *s = *s_ptr;
 	uint len = *len_ptr;
 	
 	int inc = 1;
-	CubicInterpolator	left(vol_tab[*s ^ 0x80], vol_tab[*(s+2) ^ 0x80], vol_tab[*(s+4) ^ 0x80]);
+	CubicInterpolator	left(vol_tab[*s ^ 0x80], vol_tab[*(s + 2) ^ 0x80], vol_tab[*(s + 4) ^ 0x80]);
-	CubicInterpolator	right(vol_tab[*(s+1) ^ 0x80], vol_tab[*(s+3) ^ 0x80], vol_tab[*(s+5) ^ 0x80]);
+	CubicInterpolator	right(vol_tab[*(s + 1) ^ 0x80], vol_tab[*(s + 3) ^ 0x80], vol_tab[*(s + 5) ^ 0x80]);
 
 	do {
 		do {
@@ -457,9 +438,9 @@ static int16 *mix_unsigned_stereo_8(int16 *data, uint * len_ptr, byte **s_ptr, u
 			fp_pos &= 0x0000FFFF;
 		} while (!inc && len && (s < s_end));
 
-		if (s+5 < s_end) {
+		if (s + 5 < s_end) {
-			left.feedData(vol_tab[*(s+4) ^ 0x80]);
+			left.feedData(vol_tab[*(s + 4) ^ 0x80]);
-			right.feedData(vol_tab[*(s+5) ^ 0x80]);
+			right.feedData(vol_tab[*(s + 5) ^ 0x80]);
 		} else {
 			left.feedData();
 			right.feedData();
@@ -473,9 +454,8 @@ static int16 *mix_unsigned_stereo_8(int16 *data, uint * len_ptr, byte **s_ptr, u
 
 	return data;
 }
-static int16 *mix_signed_mono_16(int16 *data, uint * len_ptr, byte **s_ptr, uint32 *fp_pos_ptr,
+static int16 * mix_signed_mono_16(int16 * data, uint * len_ptr, byte ** s_ptr, uint32 * fp_pos_ptr,
-																 int fp_speed, const int16 *vol_tab, byte *s_end)
+										 int fp_speed, const int16 * vol_tab, byte * s_end) {
-{
 	uint32 fp_pos = *fp_pos_ptr;
 	unsigned char volume = ((int)vol_tab[1]) / 8;
 	byte *s = *s_ptr;
@@ -499,16 +479,14 @@ static int16 *mix_signed_mono_16(int16 *data, uint * len_ptr, byte **s_ptr, uint
 
 	return data;
 }
-static int16 *mix_unsigned_mono_16(int16 *data, uint * len_ptr, byte **s_ptr, uint32 *fp_pos_ptr,
+static int16 *mix_unsigned_mono_16(int16 *data, uint * len_ptr, byte ** s_ptr, uint32 * fp_pos_ptr,
-																	 int fp_speed, const int16 *vol_tab, byte *s_end)
+										 int fp_speed, const int16 * vol_tab, byte * s_end) {
-{
 	warning("Mixing mono unsigned 16 bit is not supported yet ");
 
 	return data;
 }
-static int16 *mix_signed_stereo_16(int16 *data, uint * len_ptr, byte **s_ptr, uint32 *fp_pos_ptr,
+static int16 *mix_signed_stereo_16(int16 * data, uint * len_ptr, byte ** s_ptr, uint32 * fp_pos_ptr,
-																	 int fp_speed, const int16 *vol_tab, byte *s_end)
+										 int fp_speed, const int16 * vol_tab, byte * s_end) {
-{
 	uint32 fp_pos = *fp_pos_ptr;
 	unsigned char volume = ((int)vol_tab[1]) / 8;
 	byte *s = *s_ptr;
@@ -531,28 +509,29 @@ static int16 *mix_signed_stereo_16(int16 *data, uint * len_ptr, byte **s_ptr, ui
 
 	return data;
 }
-static int16 *mix_unsigned_stereo_16(int16 *data, uint * len_ptr, byte **s_ptr, uint32 *fp_pos_ptr,
+static int16 * mix_unsigned_stereo_16(int16 * data, uint * len_ptr, byte ** s_ptr, uint32 * fp_pos_ptr,
-																		 int fp_speed, const int16 *vol_tab, byte *s_end)
+											 int fp_speed, const int16 * vol_tab, byte * s_end) {
-{
 	warning("Mixing stereo unsigned 16 bit is not supported yet ");
 
 	return data;
 }
 
-static int16 *(*mixer_helper_table[8]) (int16 *data, uint * len_ptr, byte **s_ptr,
+static int16 * (*mixer_helper_table[8]) (int16 * data, uint * len_ptr, byte ** s_ptr,
-																				 uint32 *fp_pos_ptr, int fp_speed, const int16 *vol_tab,
+										 uint32 * fp_pos_ptr, int fp_speed, const int16 * vol_tab,
-																				 byte *s_end) = {
+										 byte * s_end) = { 
-mix_signed_mono_8, mix_unsigned_mono_8, mix_signed_stereo_8, mix_unsigned_stereo_8,
+	mix_signed_mono_8, mix_unsigned_mono_8, 
-		mix_signed_mono_16, mix_unsigned_mono_16, mix_signed_stereo_16, mix_unsigned_stereo_16};
+	mix_signed_stereo_8, mix_unsigned_stereo_8,
+	mix_signed_mono_16, mix_unsigned_mono_16, 
+	mix_signed_stereo_16, mix_unsigned_stereo_16
+};
 
-void SoundMixer::Channel_RAW::mix(int16 *data, uint len)
+void SoundMixer::ChannelRaw::mix(int16 * data, uint len) {
-{
 	byte *s, *s_org = NULL;
 	uint32 fp_pos;
 	byte *end;
 
-	if (_to_be_destroyed) {
+	if (_toBeDestroyed) {
-		real_destroy();
+		realDestroy();
 		return;
 	}
 
@@ -565,11 +544,11 @@ void SoundMixer::Channel_RAW::mix(int16 *data, uint len)
 	 */
 	if (_flags & FLAG_FILE) {
 		/* determine how many samples to read from the file */
-		uint num = len * _fp_speed >> 16;
+		uint num = len * _fpSpeed >> 16;
 
 		s_org = (byte *)malloc(num);
 		if (s_org == NULL)
-			error("Channel_RAW::mix out of memory");
+			error("ChannelRaw::mix out of memory");
 
 		uint num_read = fread(s_org, 1, num, (FILE *) _ptr);
 		if (num - num_read != 0)
@@ -580,141 +559,116 @@ void SoundMixer::Channel_RAW::mix(int16 *data, uint len)
 		end = s_org + num;
 	} else {
 		s = (byte *)_ptr + _pos;
-		fp_pos = _fp_pos;
+		fp_pos = _fpPos;
-		end = (byte *)_ptr + _realsize;
+		end = (byte *)_ptr + _realSize;
 	}
 
-	const uint32 fp_speed = _fp_speed;
+	const uint32 fp_speed = _fpSpeed;
-	const int16 *vol_tab = _mixer->_volume_table;
+	const int16 *vol_tab = _mixer->_volumeTable;
 
 	mixer_helper_table[_flags & 0x07] (data, &len, &s, &fp_pos, fp_speed, vol_tab, end);
 
 	_pos = s - (byte *)_ptr;
-	_fp_pos = fp_pos;
+	_fpPos = fp_pos;
 
 	if (_flags & FLAG_FILE) {
 		free(s_org);
 	}
 
 	if (_size < 1)
-		real_destroy();
+		realDestroy();
 
 }
 
-void SoundMixer::Channel_RAW::real_destroy()
+void SoundMixer::ChannelRaw::realDestroy() {
-{
 	if (_flags & FLAG_AUTOFREE)
 		free(_ptr);
-	_mixer->uninsert(this);
+	_mixer->unInsert(this);
 	delete this;
 }
 
-/* STREAM mixer */
+SoundMixer::ChannelStream::ChannelStream(SoundMixer * mixer, void * sound, uint32 size, uint rate,
-SoundMixer::Channel_STREAM::Channel_STREAM(SoundMixer *mixer, void *sound, uint32 size, uint rate,
+										 byte flags) {
-																					 byte flags)
-{
 	_mixer = mixer;
 	_flags = flags;
-	_buffer_size = 1024 * size;
+	_bufferSize = 1024 * size;
-	_ptr = (byte *)malloc(_buffer_size);
+	_ptr = (byte *)malloc(_bufferSize);
 	memcpy(_ptr, sound, size);
-	_end_of_data = _ptr + size;
+	_endOfData = _ptr + size;
 	if (_flags & FLAG_AUTOFREE)
 		free(sound);
 	_pos = _ptr;
-	_fp_pos = 0;
+	_fpPos = 0;
-	_fp_speed = (1 << 16) * rate / mixer->_output_rate;
+	_fpSpeed = (1 << 16) * rate / mixer->_outputRate;
-	_to_be_destroyed = false;
+	_toBeDestroyed = false;
 
 	/* adjust the magnitute to prevent division error */
 	while (size & 0xFFFF0000)
 		size >>= 1, rate = (rate >> 1) + 1;
 
-
 	_rate = rate;
 }
 
-void SoundMixer::Channel_STREAM::append(void *data, uint32 len)
+void SoundMixer::ChannelStream::append(void * data, uint32 len) {
-{
+	byte *new_end = _endOfData + len;
-	byte *new_end = _end_of_data + len;
 	byte *cur_pos = _pos;					/* This is just to prevent the variable to move during the tests :-) */
-	if (new_end > (_ptr + _buffer_size)) {
+	if (new_end > (_ptr + _bufferSize)) {
 		/* Wrap-around case */
-		new_end = _ptr + len - ((_ptr + _buffer_size) - _end_of_data);
+		new_end = _ptr + len - ((_ptr + _bufferSize) - _endOfData);
-		if ((_end_of_data < cur_pos) || (new_end >= cur_pos)) {
+		if ((_endOfData < cur_pos) || (new_end >= cur_pos)) {
 			warning("Mixer full... Trying to not break too much ");
 			return;
 		}
-		memcpy(_end_of_data, data, (_ptr + _buffer_size) - _end_of_data);
+		memcpy(_endOfData, data, (_ptr + _bufferSize) - _endOfData);
-		memcpy(_ptr, (byte *)data + ((_ptr + _buffer_size) - _end_of_data),
+		memcpy(_ptr, (byte *)data + ((_ptr + _bufferSize) - _endOfData),
-					 len - ((_ptr + _buffer_size) - _end_of_data));
+					 len - ((_ptr + _bufferSize) - _endOfData));
 	} else {
-		if ((_end_of_data < cur_pos) && (new_end >= cur_pos)) {
+		if ((_endOfData < cur_pos) && (new_end >= cur_pos)) {
 			warning("Mixer full... Trying to not break too much ");
 			return;
 		}
-		memcpy(_end_of_data, data, len);
+		memcpy(_endOfData, data, len);
 	}
-	_end_of_data = new_end;
+	_endOfData = new_end;
 }
 
-void SoundMixer::Channel_STREAM::mix(int16 *data, uint len)
+void SoundMixer::ChannelStream::mix(int16 * data, uint len) {
-{
 	uint32 fp_pos;
-	const uint32 fp_speed = _fp_speed;
+	const uint32 fp_speed = _fpSpeed;
-	const int16 *vol_tab = _mixer->_volume_table;
+	const int16 * vol_tab = _mixer->_volumeTable;
-	byte *end_of_data = _end_of_data;
+	byte * end_of_data = _endOfData;
 
-	if (_to_be_destroyed) {
+	if (_toBeDestroyed) {
-		real_destroy();
+		realDestroy();
 		return;
 	}
 
-	fp_pos = _fp_pos;
+	fp_pos = _fpPos;
 
 	if (_pos < end_of_data) {
 		mixer_helper_table[_flags & 0x07] (data, &len, &_pos, &fp_pos, fp_speed, vol_tab, end_of_data);
 	} else {
-//		mixer_helper_table[_flags & 0x07] (data, &len, &_pos, &fp_pos, fp_speed, vol_tab,
+		_toBeDestroyed = true;
-//																			 _ptr + _buffer_size);
-//		if (len != 0) {
-//			_pos = _ptr;
-//			mixer_helper_table[_flags & 0x07] (data, &len, &_pos, &fp_pos, fp_speed, vol_tab,
-//																				 end_of_data);
-//		} else
-			_to_be_destroyed = true;
 	}
-	if (len != 0) {
+
-		// FIXME: BBrox, what does this mean? :)
+	_fpPos = fp_pos;
-		//        Commented by Ender to remove non-existant
-		//        streamer bug in Dig smush movies.
-		//warning("Streaming underflow of %d bytes", len);
-		//real_destroy();
-		//return;
-	}
-	_fp_pos = fp_pos;
 }
 
-void SoundMixer::Channel_STREAM::real_destroy()
+void SoundMixer::ChannelStream::realDestroy() {
-{
 	free(_ptr);
-	_mixer->uninsert(this);
+	_mixer->unInsert(this);
 	delete this;
 }
 
-
-
-/* MP3 mixer goes here */
 #ifdef COMPRESSED_SOUND_FILE
-SoundMixer::Channel_MP3::Channel_MP3(SoundMixer *mixer, void *sound, uint size, byte flags)
+SoundMixer::ChannelMP3::ChannelMP3(SoundMixer * mixer, void * sound, uint size, byte flags) {
-{
 	_mixer = mixer;
 	_flags = flags;
-	_pos_in_frame = 0xFFFFFFFF;
+	_posInFrame = 0xFFFFFFFF;
 	_position = 0;
 	_size = size;
 	_ptr = sound;
-	_to_be_destroyed = false;
+	_toBeDestroyed = false;
 
 	mad_stream_init(&_stream);
 #ifdef _WIN32_WCE
@@ -735,11 +689,10 @@ SoundMixer::Channel_MP3::Channel_MP3(SoundMixer *mixer, void *sound, uint size,
 	   When using Lame, it seems that the sound starts to have some volume about 50 ms
 	   from the start of the sound => we skip about 2 frames (at 22.05 khz).
 	 */
-	_silence_cut = 576 * 2;
+	_silenceCut = 576 * 2;
 }
 
-static inline int scale_sample(mad_fixed_t sample)
+static inline int scale_sample(mad_fixed_t sample) {
-{
 	/* round */
 	sample += (1L << (MAD_F_FRACBITS - 16));
 
@@ -753,44 +706,43 @@ static inline int scale_sample(mad_fixed_t sample)
 	return sample >> (MAD_F_FRACBITS + 2 - 16);
 }
 
-void SoundMixer::Channel_MP3::mix(int16 *data, uint len)
+void SoundMixer::ChannelMP3::mix(int16 * data, uint len) {
-{
+	mad_fixed_t const * ch;
-	mad_fixed_t const *ch;
+	const int16 * vol_tab = _mixer->_volumeTable;
-	const int16 *vol_tab = _mixer->_volume_table;
 	unsigned char volume = ((int)vol_tab[1]) / 8;
 
-	if (_to_be_destroyed) {
+	if (_toBeDestroyed) {
-		real_destroy();
+		realDestroy();
 		return;
 	}
 	
 	while (1) {
-		ch = _synth.pcm.samples[0] + _pos_in_frame;
+		ch = _synth.pcm.samples[0] + _posInFrame;
 
 		/* Skip _silence_cut a the start */
-		if ((_pos_in_frame < _synth.pcm.length) && (_silence_cut > 0)) {
+		if ((_posInFrame < _synth.pcm.length) && (_silenceCut > 0)) {
-			uint32 diff = _synth.pcm.length - _pos_in_frame;
+			uint32 diff = _synth.pcm.length - _posInFrame;
 			
-			if (diff > _silence_cut)
+			if (diff > _silenceCut)
-				diff = _silence_cut;
+				diff = _silenceCut;
-			_silence_cut -= diff;
+			_silenceCut -= diff;
 			ch += diff;
-			_pos_in_frame += diff;
+			_posInFrame += diff;
 		}
 
-		while ((_pos_in_frame < _synth.pcm.length) && (len > 0)) {
+		while ((_posInFrame < _synth.pcm.length) && (len > 0)) {
 			int16 sample = (int16)((scale_sample(*ch) * volume) / 32);
 			*data++ += sample;
 			*data++ += sample;
 			len--;
 			ch++;
-			_pos_in_frame++;
+			_posInFrame++;
 		}
 		if (len == 0)
 			return;
 
 		if (_position >= _size) {
-			real_destroy();
+			realDestroy();
 			return;
 		}
 
@@ -800,23 +752,22 @@ void SoundMixer::Channel_MP3::mix(int16 *data, uint len)
 		if (mad_frame_decode(&_frame, &_stream) == -1) {
 			/* End of audio... */
 			if (_stream.error == MAD_ERROR_BUFLEN) {
-				real_destroy();
+				realDestroy();
 				return;
 			} else if (!MAD_RECOVERABLE(_stream.error)) {
 				error("MAD frame decode error !");
 			}
 		}
 		mad_synth_frame(&_synth, &_frame);
-		_pos_in_frame = 0;
+		_posInFrame = 0;
 		_position = (unsigned char *)_stream.next_frame - (unsigned char *)_ptr;
 	}
 }
 
-void SoundMixer::Channel_MP3::real_destroy()
+void SoundMixer::ChannelMP3::realDestroy() {
-{
 	if (_flags & FLAG_AUTOFREE)
 		free(_ptr);
-	_mixer->uninsert(this);
+	_mixer->unInsert(this);
 	mad_synth_finish(&_synth);
 	mad_frame_finish(&_frame);
 	mad_stream_finish(&_stream);
@@ -824,19 +775,17 @@ void SoundMixer::Channel_MP3::real_destroy()
 	delete this;
 }
 
-/* MP3 CD music */
 #define MP3CD_BUFFERING_SIZE 131072
 
-SoundMixer::Channel_MP3_CDMUSIC::Channel_MP3_CDMUSIC(SoundMixer *mixer, FILE * file,
+SoundMixer::ChannelMP3CDMusic::ChannelMP3CDMusic(SoundMixer * mixer, FILE * file,
-																										 mad_timer_t duration)
+														 mad_timer_t duration){
-{
 	_mixer = mixer;
 	_file = file;
 	_duration = duration;
 	_initialized = false;
-	_buffer_size = MP3CD_BUFFERING_SIZE;
+	_bufferSize = MP3CD_BUFFERING_SIZE;
 	_ptr = malloc(MP3CD_BUFFERING_SIZE);
-	_to_be_destroyed = false;
+	_toBeDestroyed = false;
 
 	mad_stream_init(&_stream);
 #ifdef _WIN32_WCE
@@ -847,24 +796,23 @@ SoundMixer::Channel_MP3_CDMUSIC::Channel_MP3_CDMUSIC(SoundMixer *mixer, FILE * f
 	mad_synth_init(&_synth);
 }
 
-void SoundMixer::Channel_MP3_CDMUSIC::mix(int16 *data, uint len)
+void SoundMixer::ChannelMP3CDMusic::mix(int16 * data, uint len) {
-{
 	mad_fixed_t const *ch;
 	mad_timer_t frame_duration;
-	unsigned char volume = _mixer->_music_volume / 8;
+	unsigned char volume = _mixer->_musicVolume / 8;
 
-	if (_to_be_destroyed) {
+	if (_toBeDestroyed) {
-		real_destroy();
+		realDestroy();
 		return;
 	}
 
 	if (!_initialized) {
 		int skip_loop;
 		// just skipped
-		memset(_ptr, 0, _buffer_size);
+		memset(_ptr, 0, _bufferSize);
-		_size = fread(_ptr, 1, _buffer_size, _file);
+		_size = fread(_ptr, 1, _bufferSize, _file);
 		if (!_size) {
-			real_destroy();
+			realDestroy();
 			return;
 		}
 		// Resync
@@ -880,7 +828,7 @@ void SoundMixer::Channel_MP3_CDMUSIC::mix(int16 *data, uint len)
 			} else {
 				if (!MAD_RECOVERABLE(_stream.error)) {
 					debug(1, "Unrecoverable error while skipping !");
-					real_destroy();
+					realDestroy();
 					return;
 				}
 			}
@@ -890,24 +838,24 @@ void SoundMixer::Channel_MP3_CDMUSIC::mix(int16 *data, uint len)
 		mad_synth_mute(&_synth);
 		// Resume decoding
 		if (mad_frame_decode(&_frame, &_stream) == 0) {
-			_pos_in_frame = 0;
+			_posInFrame = 0;
 			_initialized = true;
 		} else {
 			debug(1, "Cannot resume decoding");
-			real_destroy();
+			realDestroy();
 			return;
 		}
 	}
 
 	while (1) {
 		// Get samples, play samples ... 
-		ch = _synth.pcm.samples[0] + _pos_in_frame;
+		ch = _synth.pcm.samples[0] + _posInFrame;
-		while ((_pos_in_frame < _synth.pcm.length) && (len > 0)) {
+		while ((_posInFrame < _synth.pcm.length) && (len > 0)) {
 			int16 sample = (int16)((scale_sample(*ch++) * volume) / 32);
 			*data++ += sample;
 			*data++ += sample;
 			len--;
-			_pos_in_frame++;
+			_posInFrame++;
 		}
 		if (len == 0) {
 			return;
@@ -923,13 +871,13 @@ void SoundMixer::Channel_MP3_CDMUSIC::mix(int16 *data, uint len)
 				int not_decoded;
 
 				if (!_stream.next_frame) {
-					memset(_ptr, 0, _buffer_size + MAD_BUFFER_GUARD);
+					memset(_ptr, 0, _bufferSize + MAD_BUFFER_GUARD);
-					_size = fread(_ptr, 1, _buffer_size, _file);
+					_size = fread(_ptr, 1, _bufferSize, _file);
 					not_decoded = 0;
 				} else {
 					not_decoded = _stream.bufend - _stream.next_frame;
 					memcpy(_ptr, _stream.next_frame, not_decoded);
-					_size = fread((unsigned char *)_ptr + not_decoded, 1, _buffer_size - not_decoded, _file);
+					_size = fread((unsigned char *)_ptr + not_decoded, 1, _bufferSize - not_decoded, _file);
 				}
 				_stream.error = (enum mad_error)0;
 				// Restream
@@ -942,19 +890,17 @@ void SoundMixer::Channel_MP3_CDMUSIC::mix(int16 *data, uint len)
 			}
 		}
 		mad_synth_frame(&_synth, &_frame);
-		_pos_in_frame = 0;
+		_posInFrame = 0;
 	}
 }
 
-bool SoundMixer::Channel_MP3_CDMUSIC::sound_finished()
+bool SoundMixer::ChannelMP3CDMusic::soundFinished() {
-{
 	return mad_timer_compare(_duration, mad_timer_zero) <= 0;
 }
 
-void SoundMixer::Channel_MP3_CDMUSIC::real_destroy()
+void SoundMixer::ChannelMP3CDMusic::realDestroy() {
-{
 	free(_ptr);
-	_mixer->uninsert(this);
+	_mixer->unInsert(this);
 	mad_synth_finish(&_synth);
 	mad_frame_finish(&_frame);
 	mad_stream_finish(&_stream);
@@ -962,5 +908,4 @@ void SoundMixer::Channel_MP3_CDMUSIC::real_destroy()
 	delete this;
 }
 
-
 #endif

sound/mixer.h

@@ -30,110 +30,112 @@
 #endif
 
 typedef uint32 PlayingSoundHandle;
+
 class SoundMixer {
 private:
 	class Channel {
 	public:
-		bool _to_be_destroyed;
+		bool _toBeDestroyed;
 		virtual void mix(int16 *data, uint len) = 0;
 		void destroy() {
-			_to_be_destroyed = true;
+			_toBeDestroyed = true;
-		} virtual void real_destroy() = 0;
+		}
+		virtual void realDestroy() = 0;
 		virtual void append(void *sound, uint32 size);
 #ifdef COMPRESSED_SOUND_FILE
-		virtual bool sound_finished();
+		virtual bool soundFinished();
 #endif
 	};
 
-	class Channel_RAW:public Channel {
+	class ChannelRaw : public Channel {
-		SoundMixer *_mixer;
+		SoundMixer * _mixer;
-		void *_ptr;
+		void * _ptr;
 		uint32 _pos;
 		uint32 _size;
-		uint32 _fp_speed;
+		uint32 _fpSpeed;
-		uint32 _fp_pos;
+		uint32 _fpPos;
-		uint32 _realsize, _rate;
+		uint32 _realSize, _rate;
 		byte _flags;
 
-
 	public:
-		void mix(int16 *data, uint len);
+		ChannelRaw(SoundMixer * mixer, void * sound, uint32 size, uint rate, byte flags);
-		  Channel_RAW(SoundMixer *mixer, void *sound, uint32 size, uint rate, byte flags);
+		void mix(int16 * data, uint len);
-		void real_destroy();
+		void realDestroy();
 	};
 
-	class Channel_STREAM:public Channel {
+	class ChannelStream : public Channel {
-		SoundMixer *_mixer;
+		SoundMixer * _mixer;
-		byte *_ptr;
+		byte * _ptr;
-		byte *_end_of_data;
+		byte * _endOfData;
-		byte *_pos;
+		byte * _pos;
-		uint32 _fp_speed;
+		uint32 _fpSpeed;
-		uint32 _fp_pos;
+		uint32 _fpPos;
-		uint32 _buffer_size;
+		uint32 _bufferSize;
 		uint32 _rate;
 		byte _flags;
 
 	public:
-		void append(void *sound, uint32 size);
+		ChannelStream(SoundMixer * mixer, void * sound, uint32 size, uint rate, byte flags);
-		void mix(int16 *data, uint len);
+		void append(void * sound, uint32 size);
-		  Channel_STREAM(SoundMixer *mixer, void *sound, uint32 size, uint rate, byte flags);
+		void mix(int16 * data, uint len);
-		void real_destroy();
+		void realDestroy();
 	};
 
 #ifdef COMPRESSED_SOUND_FILE
 
-	class Channel_MP3:public Channel {
+	class ChannelMP3 : public Channel {
-		SoundMixer *_mixer;
+		SoundMixer * _mixer;
 		void *_ptr;
 		struct mad_stream _stream;
 		struct mad_frame _frame;
 		struct mad_synth _synth;
-		uint32 _silence_cut;
+		uint32 _silenceCut;
-		uint32 _pos_in_frame;
+		uint32 _posInFrame;
 		uint32 _position;
 		uint32 _size;
 		byte _flags;
 
 	public:
-		void mix(int16 *data, uint len);
+		ChannelMP3(SoundMixer * mixer, void *sound, uint size, byte flags);
-		  Channel_MP3(SoundMixer *mixer, void *sound, uint size, byte flags);
+		void mix(int16 * data, uint len);
-		void real_destroy();
+		void realDestroy();
 
 	};
 
-	class Channel_MP3_CDMUSIC:public Channel {
+	class ChannelMP3CDMusic:public Channel {
-		SoundMixer *_mixer;
+		SoundMixer * _mixer;
-		void *_ptr;
+		void * _ptr;
 		struct mad_stream _stream;
 		struct mad_frame _frame;
 		struct mad_synth _synth;
-		uint32 _pos_in_frame;
+		uint32 _posInFrame;
 		uint32 _size;
-		uint32 _buffer_size;
+		uint32 _bufferSize;
 		mad_timer_t _duration;
-		FILE *_file;
+		FILE * _file;
 		bool _initialized;
+
 	public:
-		void mix(int16 *data, uint len);
+		ChannelMP3CDMusic(SoundMixer * mixer, FILE * file, mad_timer_t duration);
-		  Channel_MP3_CDMUSIC(SoundMixer *mixer, FILE * file, mad_timer_t duration);
+		void mix(int16 * data, uint len);
-		void real_destroy();
+		void realDestroy();
-		bool sound_finished();
+		bool soundFinished();
 	};
 
 #endif
 
-	static void on_generate_samples(void *s, byte *samples, int len);
+	static void onGenerateSamples(void * s, byte * samples, int len);
 
 public:
-	typedef void PremixProc (void *param, int16 *data, uint len);
+	typedef void PremixProc (void * param, int16 * data, uint len);
 
-	OSystem *_syst;
+	OSystem * _syst;
-	void *_mutex;
+	void * _mutex;
 
-	uint _output_rate;
+	uint _outputRate;
 
-	int16 *_volume_table;
+	int16 * _volumeTable;
-	int _music_volume;
+	int _musicVolume;
 
 	bool _paused;
 
@@ -141,18 +143,18 @@ public:
 		NUM_CHANNELS = 16,
 	};
 
-	void *_premix_param;
+	void * _premixParam;
-	PremixProc *_premix_proc;
+	PremixProc * _premixProc;
 
-	Channel *_channels[NUM_CHANNELS];
+	Channel * _channels[NUM_CHANNELS];
-	PlayingSoundHandle *_handles[NUM_CHANNELS];
+	PlayingSoundHandle * _handles[NUM_CHANNELS];
 
 	SoundMixer();
 	~SoundMixer();
 
-	int insert_at(PlayingSoundHandle *handle, int index, Channel * chan);
+	int insertAt(PlayingSoundHandle * handle, int index, Channel * chan);
-	void append(void *data, uint32 len);
+	void append(void * data, uint32 len);
-	void uninsert(Channel * chan);
+	void unInsert(Channel * chan);
 
 	/* start playing a raw sound */
 	enum {
@@ -163,41 +165,41 @@ public:
 		FLAG_AUTOFREE = 8,					/* sound buffer is freed automagically at the end of playing */
 		FLAG_FILE = 16,							/* sound is a FILE * that's read from */
 	};
-	int play_raw(PlayingSoundHandle *handle, void *sound, uint32 size, uint rate, byte flags);
+	int playRaw(PlayingSoundHandle * handle, void * sound, uint32 size, uint rate, byte flags);
-	int play_stream(PlayingSoundHandle *handle, int index, void *sound, uint32 size, uint rate,
+	int playStream(PlayingSoundHandle * handle, int index, void * sound, uint32 size, uint rate,
 									byte flags);
 #ifdef COMPRESSED_SOUND_FILE
-	int play_mp3(PlayingSoundHandle *handle, void *sound, uint32 size, byte flags);
+	int playMP3(PlayingSoundHandle * handle, void * sound, uint32 size, byte flags);
-	int play_mp3_cdtrack(PlayingSoundHandle *handle, FILE * file, mad_timer_t duration);
+	int playMP3CDTrack(PlayingSoundHandle * handle, FILE * file, mad_timer_t duration);
 #endif
 
 	/* Premix procedure, useful when using fmopl adlib */
-	void setup_premix(void *param, PremixProc *proc);
+	void setupPremix(void * param, PremixProc * proc);
 
 	/* mix */
-	void mix(int16 *buf, uint len);
+	void mix(int16 * buf, uint len);
 
 	/* stop all currently playing sounds */
-	void stop_all();
+	void stopAll();
 
 	/* stop playing a specific sound */
 	void stop(PlayingSoundHandle psh);
 	void stop(int index);
 
 	/* append to existing sound */
-	int append(int index, void *sound, uint32 size, uint rate, byte flags);
+	int append(int index, void * sound, uint32 size, uint rate, byte flags);
 
 	/* is any channel active? */
-	bool has_active_channel();
+	bool hasActiveChannel();
 
 	/* bind to the OSystem object => mixer will be
 	 * invoked automatically when samples need
 	 * to be generated */
-	bool bind_to_system(OSystem *syst);
+	bool bindToSystem(OSystem *syst);
 
 	/* set the volume, 0-256 */
-	void set_volume(int volume);
+	void setVolume(int volume);
-	void set_music_volume(int volume);
+	void setMusicVolume(int volume);
 
 	/* pause - unpause */
 	void pause(bool paused);

sound/sound.cpp

@@ -137,19 +137,19 @@ void Sound::processSoundQues() {
 						byte * buffer = (byte*)malloc (size);
 						memcpy(buffer, ptr, size);
 						if (chan == 1) {
-							_scumm->_mixer->play_raw(NULL, buffer, size, rate, SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_UNSIGNED);
+							_scumm->_mixer->playRaw(NULL, buffer, size, rate, SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_UNSIGNED);
 						}
 						else if (chan == 2) {
-							_scumm->_mixer->play_raw(NULL, buffer, size, rate, SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_STEREO);
+							_scumm->_mixer->playRaw(NULL, buffer, size, rate, SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_STEREO);
 						}
 					} else if (bits == 12) {
 						byte * buffer = NULL;
 						uint32 final_size = decode12BitsSample(ptr, &buffer, size);
 						if (chan == 1) {
-							_scumm->_mixer->play_raw(NULL, buffer, final_size, rate, SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_16BITS);
+							_scumm->_mixer->playRaw(NULL, buffer, final_size, rate, SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_16BITS);
 						}
 						else if (chan == 2) {
-							_scumm->_mixer->play_raw(NULL, buffer, final_size, rate, SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_16BITS | SoundMixer::FLAG_STEREO);
+							_scumm->_mixer->playRaw(NULL, buffer, final_size, rate, SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_16BITS | SoundMixer::FLAG_STEREO);
 						}
 					}
 				}
@@ -249,7 +249,7 @@ void Sound::playSound(int sound) {
 		// Allocate a sound buffer, copy the data into it, and play
 		char *sound = (char*)malloc(size);
 		memcpy(sound, ptr, size);
-		_scumm->_mixer->play_raw(NULL, sound, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
+		_scumm->_mixer->playRaw(NULL, sound, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
 		return;
 	}
 	// Support for Putt-Putt sounds - very hackish, too 8-)
@@ -265,15 +265,15 @@ void Sound::playSound(int sound) {
 		
 		// Allocate a sound buffer, copy the data into it, and play
 		char *sound = (char*)malloc(size);
-		memcpy(sound, ptr+8, size);
+		memcpy(sound, ptr + 8, size);
-		_scumm->_mixer->play_raw(NULL, sound, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
+		_scumm->_mixer->playRaw(NULL, sound, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
 		return;
 	}
 	else if (ptr != NULL && READ_UINT32_UNALIGNED(ptr) == MKID('Crea')) {
 		int size, rate;
 		char * sound = read_creative_voc_file(ptr, size, rate);
 		if(sound != NULL) {
-			_scumm->_mixer->play_raw(NULL, sound, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
+			_scumm->_mixer->playRaw(NULL, sound, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
 		}
 		return;
 	}
@@ -310,7 +310,7 @@ void Sound::playSound(int sound) {
 		// Allocate a sound buffer, copy the data into it, and play
 		char *sound = (char*)malloc(size);
 		memcpy(sound, ptr + 33, size);
-		_scumm->_mixer->play_raw(NULL, sound, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
+		_scumm->_mixer->playRaw(NULL, sound, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
 		return;
 	}
 
@@ -386,7 +386,7 @@ void Sound::playSound(int sound) {
 
 		// FIXME: Something in the header signifies looping. Need to track it down and add a 
 		//	  mixer flag or something.
-		_scumm->_mixer->play_raw(NULL, sound, size, 11000, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
+		_scumm->_mixer->playRaw(NULL, sound, size, 11000, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
 		return;
 	}
 
@@ -676,8 +676,8 @@ void Sound::setupSound() {
 
 		_scumm->_imuse->set_master_volume(_sound_volume_master);
 		_scumm->_imuse->set_music_volume(_sound_volume_music);
-		_scumm->_mixer->set_volume(_sound_volume_sfx);
+		_scumm->_mixer->setVolume(_sound_volume_sfx);
-		_scumm->_mixer->set_music_volume(_sound_volume_music);
+		_scumm->_mixer->setMusicVolume(_sound_volume_music);
 	}
 	_sfxFile = openSfxFile();
 }
@@ -833,12 +833,12 @@ void * Sound::openSfxFile() {
 }
 
 void Sound::stopSfxSound() {
-	_scumm->_mixer->stop_all();
+	_scumm->_mixer->stopAll();
 }
 
 
 bool Sound::isSfxFinished() {
-	return !_scumm->_mixer->has_active_channel();
+	return !_scumm->_mixer->hasActiveChannel();
 }
 
 uint32 Sound::decode12BitsSample(byte * src, byte ** dst, uint32 size) {
@@ -985,7 +985,7 @@ void Sound::bundleMusicHandler(Scumm * scumm) {
 
 	byte * buffer = NULL;
 	uint32 final_size = decode12BitsSample(ptr, &buffer, size);
-	_scumm->_mixer->play_raw(NULL, buffer, final_size, rate, SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_16BITS | SoundMixer::FLAG_STEREO);
+	_scumm->_mixer->playRaw(NULL, buffer, final_size, rate, SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_16BITS | SoundMixer::FLAG_STEREO);
 }
 
 void Sound::playBundleSound(char *sound) {
@@ -1042,7 +1042,7 @@ void Sound::playBundleSound(char *sound) {
 	
 	byte * final = (byte *)malloc(size);
 	memcpy(final, ptr, size);
-	_scumm->_mixer->play_raw(NULL, final, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
+	_scumm->_mixer->playRaw(NULL, final, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
 }
 
 int Sound::playSfxSound(void *sound, uint32 size, uint rate, bool isUnsigned) {
@@ -1051,14 +1051,14 @@ int Sound::playSfxSound(void *sound, uint32 size, uint rate, bool isUnsigned) {
 	byte flags = SoundMixer::FLAG_AUTOFREE;
 	if (isUnsigned)
 		flags |= SoundMixer::FLAG_UNSIGNED;
-	return _scumm->_mixer->play_raw(NULL, sound, size, rate, flags);
+	return _scumm->_mixer->playRaw(NULL, sound, size, rate, flags);
 }
 
 int Sound::playSfxSound_MP3(void *sound, uint32 size) {
 #ifdef COMPRESSED_SOUND_FILE
 	if (_soundsPaused)
 		return -1;
-	return _scumm->_mixer->play_mp3(NULL, sound, size, SoundMixer::FLAG_AUTOFREE);
+	return _scumm->_mixer->playMP3(NULL, sound, size, SoundMixer::FLAG_AUTOFREE);
 #endif
 	return -1;
 }
@@ -1200,7 +1200,7 @@ int Sound::playMP3CDTrack(int track, int num_loops, int start, int delay) {
 
 	if (_mp3_cd_playing == true)
 		_scumm->_mixer->stop(_mp3_index);		
-	_mp3_index = _scumm->_mixer->play_mp3_cdtrack(NULL, _mp3_tracks[index], duration);
+	_mp3_index = _scumm->_mixer->playMP3CDTrack(NULL, _mp3_tracks[index], duration);
 	_mp3_cd_playing = true;
 	return 0;
 }
@@ -1229,7 +1229,7 @@ int Sound::updateMP3CD() {
 		return -1;
 	}
 
-	if (_scumm->_mixer->_channels[_mp3_index]->sound_finished())
+	if (_scumm->_mixer->_channels[_mp3_index]->soundFinished())
 		stopMP3CD();
 	return 0;
 }