VIDEO: Convert DXADecoder to the AdvancedVideoDecoder API

10 files changed, 215 insertions, 304 deletions

diff --git a/engines/agos/animation.cpp b/engines/agos/animation.cpp
index 3e8488d7d5..ec8293c91f 100644
--- a/engines/agos/animation.cpp
+++ b/engines/agos/animation.cpp
@@ -260,9 +260,6 @@ bool MoviePlayerDXA::load() {
 	debug(0, "Playing video %s", videoName.c_str());
 
 	CursorMan.showMouse(false);
-
-	_firstFrameOffset = _fileStream->pos();
-
 	return true;
 }
 
@@ -302,35 +299,6 @@ void MoviePlayerDXA::stopVideo() {
 }
 
 void MoviePlayerDXA::startSound() {
-	uint32 offset, size;
-
-	if (getSoundTag() == MKTAG('W','A','V','E')) {
-		size = _fileStream->readUint32BE();
-
-		if (_sequenceNum) {
-			Common::File in;
-
-			_fileStream->seek(size, SEEK_CUR);
-
-			in.open("audio.wav");
-			if (!in.isOpen()) {
-				error("Can't read offset file 'audio.wav'");
-			}
-
-			in.seek(_sequenceNum * 8, SEEK_SET);
-			offset = in.readUint32LE();
-			size = in.readUint32LE();
-
-			in.seek(offset, SEEK_SET);
-			_bgSoundStream = Audio::makeWAVStream(in.readStream(size), DisposeAfterUse::YES);
-			in.close();
-		} else {
-			_bgSoundStream = Audio::makeWAVStream(_fileStream->readStream(size), DisposeAfterUse::YES);
-		}
-	} else {
-		_bgSoundStream = Audio::SeekableAudioStream::openStreamFile(baseName);
-	}
-
 	if (_bgSoundStream != NULL) {
 		_vm->_mixer->stopHandle(_bgSound);
 		_vm->_mixer->playStream(Audio::Mixer::kSFXSoundType, &_bgSound, _bgSoundStream, -1, getVolume(), getBalance());
@@ -344,8 +312,7 @@ void MoviePlayerDXA::nextFrame() {
 	}
 
 	if (_vm->_interactiveVideo == TYPE_LOOPING && endOfVideo()) {
-		_fileStream->seek(_firstFrameOffset);
-		_curFrame = -1;
+		rewind();
 		startSound();
 	}
 
@@ -374,13 +341,15 @@ bool MoviePlayerDXA::processFrame() {
 	copyFrameToBuffer((byte *)screen->pixels, (_vm->_screenWidth - getWidth()) / 2, (_vm->_screenHeight - getHeight()) / 2, screen->pitch);
 	_vm->_system->unlockScreen();
 
-	Common::Rational soundTime(_mixer->getSoundElapsedTime(_bgSound), 1000);
-	if ((_bgSoundStream == NULL) || ((soundTime * getFrameRate()).toInt() / 1000 < getCurFrame() + 1)) {
+	uint32 soundTime = _mixer->getSoundElapsedTime(_bgSound);
+	uint32 nextFrameStartTime = ((Video::AdvancedVideoDecoder::VideoTrack *)getTrack(0))->getNextFrameStartTime();
+
+	if ((_bgSoundStream == NULL) || soundTime < nextFrameStartTime) {
 
 		if (_bgSoundStream && _mixer->isSoundHandleActive(_bgSound)) {
-			while (_mixer->isSoundHandleActive(_bgSound) && (soundTime * getFrameRate()).toInt() < getCurFrame()) {
+			while (_mixer->isSoundHandleActive(_bgSound) && soundTime < nextFrameStartTime) {
 				_vm->_system->delayMillis(10);
-				soundTime = Common::Rational(_mixer->getSoundElapsedTime(_bgSound), 1000);
+				soundTime = _mixer->getSoundElapsedTime(_bgSound);
 			}
 			// In case the background sound ends prematurely, update
 			// _ticks so that we can still fall back on the no-sound
@@ -399,14 +368,35 @@ bool MoviePlayerDXA::processFrame() {
 	return false;
 }
 
-void MoviePlayerDXA::updateVolume() {
-	if (g_system->getMixer()->isSoundHandleActive(_bgSound))
-		g_system->getMixer()->setChannelVolume(_bgSound, getVolume());
-}
+void MoviePlayerDXA::readSoundData(Common::SeekableReadStream *stream) {
+	uint32 tag = stream->readUint32BE();
+
+	if (tag == MKTAG('W','A','V','E')) {
+		uint32 size = stream->readUint32BE();
+
+		if (_sequenceNum) {
+			Common::File in;
+
+			stream->skip(size);
+
+			in.open("audio.wav");
+			if (!in.isOpen()) {
+				error("Can't read offset file 'audio.wav'");
+			}
+
+			in.seek(_sequenceNum * 8, SEEK_SET);
+			uint32 offset = in.readUint32LE();
+			size = in.readUint32LE();
 
-void MoviePlayerDXA::updateBalance() {
-	if (g_system->getMixer()->isSoundHandleActive(_bgSound))
-		g_system->getMixer()->setChannelBalance(_bgSound, getBalance());
+			in.seek(offset, SEEK_SET);
+			_bgSoundStream = Audio::makeWAVStream(in.readStream(size), DisposeAfterUse::YES);
+			in.close();
+		} else {
+			_bgSoundStream = Audio::makeWAVStream(stream->readStream(size), DisposeAfterUse::YES);
+		}
+	} else {
+		_bgSoundStream = Audio::SeekableAudioStream::openStreamFile(baseName);
+	}
 }
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/engines/agos/animation.h b/engines/agos/animation.h
index 37a666b201..9e31fced6d 100644
--- a/engines/agos/animation.h
+++ b/engines/agos/animation.h
@@ -81,16 +81,13 @@ public:
 	virtual void stopVideo();
 
 protected:
-	// VideoDecoder API
-	void updateVolume();
-	void updateBalance();
+	void readSoundData(Common::SeekableReadStream *stream);
 
 private:
 	void handleNextFrame();
 	bool processFrame();
 	void startSound();
 	void copyFrameToBuffer(byte *dst, uint x, uint y, uint pitch);
-	uint32 _firstFrameOffset;
 };
 
 class MoviePlayerSMK : public MoviePlayer, Video::SmackerDecoder {
diff --git a/engines/sword1/animation.cpp b/engines/sword1/animation.cpp
index 8f863d1e09..70f1e5dc03 100644
--- a/engines/sword1/animation.cpp
+++ b/engines/sword1/animation.cpp
@@ -37,6 +37,7 @@
 
 #include "gui/message.h"
 
+#include "video/dxa_decoder.h"
 #include "video/psx_decoder.h"
 #include "video/smk_decoder.h"
 
@@ -96,9 +97,8 @@ static const char *const sequenceListPSX[20] = {
 // Basic movie player
 ///////////////////////////////////////////////////////////////////////////////
 
-MoviePlayer::MoviePlayer(SwordEngine *vm, Text *textMan, ResMan *resMan, Audio::Mixer *snd, OSystem *system, Audio::SoundHandle *bgSoundHandle, Video::VideoDecoder *decoder, DecoderType decoderType)
-	: _vm(vm), _textMan(textMan), _resMan(resMan), _snd(snd), _bgSoundHandle(bgSoundHandle), _system(system) {
-	_bgSoundStream = NULL;
+MoviePlayer::MoviePlayer(SwordEngine *vm, Text *textMan, ResMan *resMan, OSystem *system, Video::VideoDecoder *decoder, DecoderType decoderType)
+	: _vm(vm), _textMan(textMan), _resMan(resMan), _system(system) {
 	_decoderType = decoderType;
 	_decoder = decoder;
 
@@ -107,7 +107,6 @@ MoviePlayer::MoviePlayer(SwordEngine *vm, Text *textMan, ResMan *resMan, Audio::
 }
 
 MoviePlayer::~MoviePlayer() {
-	delete _bgSoundHandle;
 	delete _decoder;
 }
 
@@ -116,16 +115,12 @@ MoviePlayer::~MoviePlayer() {
  * @param id the id of the file
  */
 bool MoviePlayer::load(uint32 id) {
-	Common::File f;
 	Common::String filename;
 
-	if (_decoderType == kVideoDecoderDXA)
-		_bgSoundStream = Audio::SeekableAudioStream::openStreamFile(sequenceList[id]);
-	else
-		_bgSoundStream = NULL;
-
 	if (SwordEngine::_systemVars.showText) {
+		Common::File f;
 		filename = Common::String::format("%s.txt", sequenceList[id]);
+
 		if (f.open(filename)) {
 			Common::String line;
 			int lineNo = 0;
@@ -169,7 +164,6 @@ bool MoviePlayer::load(uint32 id) {
 				_movieTexts.push_back(MovieText(startFrame, endFrame, ptr, color));
 				lastEnd = endFrame;
 			}
-			f.close();
 		}
 	}
 
@@ -179,13 +173,6 @@ bool MoviePlayer::load(uint32 id) {
 		break;
 	case kVideoDecoderSMK:
 		filename = Common::String::format("%s.smk", sequenceList[id]);
-
-		if (_decoder->loadFile(filename)) {
-			((Video::AdvancedVideoDecoder *)_decoder)->start(); // TODO: Remove after new API is complete
-			return true;
-		} else {
-			return false;
-		}
 		break;
 	case kVideoDecoderPSX:
 		filename = Common::String::format("%s.str", (_vm->_systemVars.isDemo) ? sequenceList[id] : sequenceListPSX[id]);
@@ -205,30 +192,27 @@ bool MoviePlayer::load(uint32 id) {
 		break;
 	}
 
-	return _decoder->loadFile(filename.c_str());
-}
+	if (!_decoder->loadFile(filename))
+		return false;
 
-void MoviePlayer::play() {
-	if (_bgSoundStream)
-		_snd->playStream(Audio::Mixer::kSFXSoundType, _bgSoundHandle, _bgSoundStream);
+	// For DXA, also add the external sound file
+	if (_decoderType == kVideoDecoderDXA)
+		((Video::AdvancedVideoDecoder *)_decoder)->addStreamFileTrack(sequenceList[id]);
 
-	bool terminated = false;
+	((Video::AdvancedVideoDecoder *)_decoder)->start(); // TODO: Remove after new API is complete
+	return true;
+}
 
+void MoviePlayer::play() {
 	_textX = 0;
 	_textY = 0;
 
-	terminated = !playVideo();
-
-	if (terminated)
-		_snd->stopHandle(*_bgSoundHandle);
+	playVideo();
 
 	_textMan->releaseText(2, false);
 
 	_movieTexts.clear();
 
-	while (_snd->isSoundHandleActive(*_bgSoundHandle))
-		_system->delayMillis(100);
-
 	// It's tempting to call _screen->fullRefresh() here to restore the old
 	// palette. However, that causes glitches with DXA movies, where the
 	// previous location would be momentarily drawn, before switching to
@@ -514,24 +498,12 @@ void MoviePlayer::drawFramePSX(const Graphics::Surface *frame) {
 	scaledFrame.free();
 }
 
-DXADecoderWithSound::DXADecoderWithSound(Audio::Mixer *mixer, Audio::SoundHandle *bgSoundHandle)
-	: _mixer(mixer), _bgSoundHandle(bgSoundHandle)  {
-}
-
-uint32 DXADecoderWithSound::getTime() const {
-	if (_mixer->isSoundHandleActive(*_bgSoundHandle))
-		return _mixer->getSoundElapsedTime(*_bgSoundHandle);
-
-	return DXADecoder::getTime();
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 // Factory function for creating the appropriate cutscene player
 ///////////////////////////////////////////////////////////////////////////////
 
-MoviePlayer *makeMoviePlayer(uint32 id, SwordEngine *vm, Text *textMan, ResMan *resMan, Audio::Mixer *snd, OSystem *system) {
+MoviePlayer *makeMoviePlayer(uint32 id, SwordEngine *vm, Text *textMan, ResMan *resMan, OSystem *system) {
 	Common::String filename;
-	Audio::SoundHandle *bgSoundHandle = new Audio::SoundHandle;
 
 	// For the PSX version, we'll try the PlayStation stream files
 	if (vm->isPsx()) {
@@ -542,7 +514,7 @@ MoviePlayer *makeMoviePlayer(uint32 id, SwordEngine *vm, Text *textMan, ResMan *
 #ifdef USE_RGB_COLOR
 			// All BS1 PSX videos run the videos at 2x speed
 			Video::VideoDecoder *psxDecoder = new Video::PSXStreamDecoder(Video::PSXStreamDecoder::kCD2x);
-			return new MoviePlayer(vm, textMan, resMan, snd, system, bgSoundHandle, psxDecoder, kVideoDecoderPSX);
+			return new MoviePlayer(vm, textMan, resMan, system, psxDecoder, kVideoDecoderPSX);
 #else
 			GUI::MessageDialog dialog(Common::String::format(_("PSX stream cutscene '%s' cannot be played in paletted mode"), filename.c_str()), _("OK"));
 			dialog.runModal();
@@ -555,19 +527,19 @@ MoviePlayer *makeMoviePlayer(uint32 id, SwordEngine *vm, Text *textMan, ResMan *
 
 	if (Common::File::exists(filename)) {
 		Video::SmackerDecoder *smkDecoder = new Video::SmackerDecoder();
-		return new MoviePlayer(vm, textMan, resMan, snd, system, bgSoundHandle, smkDecoder, kVideoDecoderSMK);
+		return new MoviePlayer(vm, textMan, resMan, system, smkDecoder, kVideoDecoderSMK);
 	}
 
 	filename = Common::String::format("%s.dxa", sequenceList[id]);
 
 	if (Common::File::exists(filename)) {
 #ifdef USE_ZLIB
-		DXADecoderWithSound *dxaDecoder = new DXADecoderWithSound(snd, bgSoundHandle);
-		return new MoviePlayer(vm, textMan, resMan, snd, system, bgSoundHandle, dxaDecoder, kVideoDecoderDXA);
+		Video::VideoDecoder *dxaDecoder = new Video::DXADecoder();
+		return new MoviePlayer(vm, textMan, resMan, system, dxaDecoder, kVideoDecoderDXA);
 #else
 		GUI::MessageDialog dialog(_("DXA cutscenes found but ScummVM has been built without zlib support"), _("OK"));
 		dialog.runModal();
-		return NULL;
+		return 0;
 #endif
 	}
 
@@ -577,7 +549,7 @@ MoviePlayer *makeMoviePlayer(uint32 id, SwordEngine *vm, Text *textMan, ResMan *
 	if (Common::File::exists(filename)) {
 		GUI::MessageDialog dialog(_("MPEG2 cutscenes are no longer supported"), _("OK"));
 		dialog.runModal();
-		return NULL;
+		return 0;
 	}
 
 	if (!vm->isPsx() || scumm_stricmp(sequenceList[id], "enddemo") != 0) {
@@ -586,7 +558,7 @@ MoviePlayer *makeMoviePlayer(uint32 id, SwordEngine *vm, Text *textMan, ResMan *
 		dialog.runModal();
 	}
 
-	return NULL;
+	return 0;
 }
 
 } // End of namespace Sword1
diff --git a/engines/sword1/animation.h b/engines/sword1/animation.h
index c2ed86a1a3..d0c61f5eb3 100644
--- a/engines/sword1/animation.h
+++ b/engines/sword1/animation.h
@@ -23,16 +23,19 @@
 #ifndef SWORD1_ANIMATION_H
 #define SWORD1_ANIMATION_H
 
-#include "video/dxa_decoder.h"
-#include "video/video_decoder.h"
-
 #include "common/list.h"
 
-#include "audio/audiostream.h"
-
 #include "sword1/screen.h"
 #include "sword1/sound.h"
 
+namespace Graphics {
+struct Surface;
+}
+
+namespace Video {
+class VideoDecoder;
+}
+
 namespace Sword1 {
 
 enum DecoderType {
@@ -55,21 +58,9 @@ public:
 	}
 };
 
-class DXADecoderWithSound : public Video::DXADecoder {
-public:
-	DXADecoderWithSound(Audio::Mixer *mixer, Audio::SoundHandle *bgSoundHandle);
-	~DXADecoderWithSound() {}
-
-	uint32 getTime() const;
-
-private:
-	Audio::Mixer *_mixer;
-	Audio::SoundHandle *_bgSoundHandle;
-};
-
 class MoviePlayer {
 public:
-	MoviePlayer(SwordEngine *vm, Text *textMan, ResMan *resMan, Audio::Mixer *snd, OSystem *system, Audio::SoundHandle *bgSoundHandle, Video::VideoDecoder *decoder, DecoderType decoderType);
+	MoviePlayer(SwordEngine *vm, Text *textMan, ResMan *resMan, OSystem *system, Video::VideoDecoder *decoder, DecoderType decoderType);
 	virtual ~MoviePlayer();
 	bool load(uint32 id);
 	void play();
@@ -78,7 +69,6 @@ protected:
 	SwordEngine *_vm;
 	Text *_textMan;
 	ResMan *_resMan;
-	Audio::Mixer *_snd;
 	OSystem *_system;
 	Common::List<MovieText> _movieTexts;
 	int _textX, _textY, _textWidth, _textHeight;
@@ -88,8 +78,6 @@ protected:
 	DecoderType _decoderType;
 
 	Video::VideoDecoder *_decoder;
-	Audio::SoundHandle *_bgSoundHandle;
-	Audio::AudioStream *_bgSoundStream;
 
 	bool playVideo();
 	void performPostProcessing(byte *screen);
@@ -100,7 +88,7 @@ protected:
 	void convertColor(byte r, byte g, byte b, float &h, float &s, float &v);
 };
 
-MoviePlayer *makeMoviePlayer(uint32 id, SwordEngine *vm, Text *textMan, ResMan *resMan, Audio::Mixer *snd, OSystem *system);
+MoviePlayer *makeMoviePlayer(uint32 id, SwordEngine *vm, Text *textMan, ResMan *resMan, OSystem *system);
 
 } // End of namespace Sword1
 
diff --git a/engines/sword1/logic.cpp b/engines/sword1/logic.cpp
index 8e04861edf..757d768780 100644
--- a/engines/sword1/logic.cpp
+++ b/engines/sword1/logic.cpp
@@ -959,7 +959,7 @@ int Logic::fnPlaySequence(Object *cpt, int32 id, int32 sequenceId, int32 d, int3
 	// meantime, we don't want any looping sound effects still playing.
 	_sound->quitScreen();
 
-	MoviePlayer *player = makeMoviePlayer(sequenceId, _vm, _textMan, _resMan, _mixer, _system);
+	MoviePlayer *player = makeMoviePlayer(sequenceId, _vm, _textMan, _resMan, _system);
 	if (player) {
 		_screen->clearScreen();
 		if (player->load(sequenceId))
diff --git a/engines/sword2/animation.cpp b/engines/sword2/animation.cpp
index e257ec9029..e603925e73 100644
--- a/engines/sword2/animation.cpp
+++ b/engines/sword2/animation.cpp
@@ -40,6 +40,7 @@
 
 #include "gui/message.h"
 
+#include "video/dxa_decoder.h"
 #include "video/smk_decoder.h"
 #include "video/psx_decoder.h"
 
@@ -51,9 +52,8 @@ namespace Sword2 {
 // Basic movie player
 ///////////////////////////////////////////////////////////////////////////////
 
-MoviePlayer::MoviePlayer(Sword2Engine *vm, Audio::Mixer *snd, OSystem *system, Audio::SoundHandle *bgSoundHandle, Video::VideoDecoder *decoder, DecoderType decoderType)
-	: _vm(vm), _snd(snd), _bgSoundHandle(bgSoundHandle), _system(system) {
-	_bgSoundStream = NULL;
+MoviePlayer::MoviePlayer(Sword2Engine *vm, OSystem *system, Video::VideoDecoder *decoder, DecoderType decoderType)
+	: _vm(vm), _system(system) {
 	_decoderType = decoderType;
 	_decoder = decoder;
 
@@ -62,7 +62,6 @@ MoviePlayer::MoviePlayer(Sword2Engine *vm, Audio::Mixer *snd, OSystem *system, A
 }
 
 MoviePlayer::~MoviePlayer() {
-	delete _bgSoundHandle;
 	delete _decoder;
 }
 
@@ -75,11 +74,6 @@ bool MoviePlayer::load(const char *name) {
 	if (_vm->shouldQuit())
 		return false;
 
-	if (_decoderType == kVideoDecoderDXA)
-		_bgSoundStream = Audio::SeekableAudioStream::openStreamFile(name);
-	else
-		_bgSoundStream = NULL;
-
 	_textSurface = NULL;
 
 	Common::String filename;
@@ -89,13 +83,6 @@ bool MoviePlayer::load(const char *name) {
 		break;
 	case kVideoDecoderSMK:
 		filename = Common::String::format("%s.smk", name);
-
-		if (_decoder->loadFile(filename)) {
-			((Video::AdvancedVideoDecoder *)_decoder)->start(); // TODO: Remove after new API is complete
-			return true;
-		} else {
-			return false;
-		}
 		break;
 	case kVideoDecoderPSX:
 		filename = Common::String::format("%s.str", name);
@@ -114,7 +101,15 @@ bool MoviePlayer::load(const char *name) {
 		}
 	}
 
-	return _decoder->loadFile(filename.c_str());
+	if (!_decoder->loadFile(filename))
+		return false;
+
+	// For DXA, also add the external sound file
+	if (_decoderType == kVideoDecoderDXA)
+		((Video::AdvancedVideoDecoder *)_decoder)->addStreamFileTrack(name);
+
+	((Video::AdvancedVideoDecoder *)_decoder)->start(); // TODO: Remove after new API is complete
+	return true;
 }
 
 void MoviePlayer::play(MovieText *movieTexts, uint32 numMovieTexts, uint32 leadIn, uint32 leadOut) {
@@ -130,24 +125,15 @@ void MoviePlayer::play(MovieText *movieTexts, uint32 numMovieTexts, uint32 leadI
 	if (leadIn)
 		_vm->_sound->playMovieSound(leadIn, kLeadInSound);
 
-	if (_bgSoundStream)
-		_snd->playStream(Audio::Mixer::kSFXSoundType, _bgSoundHandle, _bgSoundStream);
-
-	bool terminated = false;
-
-	terminated = !playVideo();
+	bool terminated = !playVideo();
 
 	closeTextObject(_currentMovieText, NULL, 0);
 
 	if (terminated) {
-		_snd->stopHandle(*_bgSoundHandle);
 		_vm->_sound->stopMovieSounds();
 		_vm->_sound->stopSpeech();
 	}
 
-	while (_snd->isSoundHandleActive(*_bgSoundHandle))
-		_system->delayMillis(100);
-
 	if (_decoderType == kVideoDecoderPSX) {
 		// Need to jump back to paletted color
 		initGraphics(640, 480, true);
@@ -414,31 +400,19 @@ void MoviePlayer::drawFramePSX(const Graphics::Surface *frame) {
 	scaledFrame.free();
 }
 
-DXADecoderWithSound::DXADecoderWithSound(Audio::Mixer *mixer, Audio::SoundHandle *bgSoundHandle)
-	: _mixer(mixer), _bgSoundHandle(bgSoundHandle)  {
-}
-
-uint32 DXADecoderWithSound::getTime() const {
-	if (_mixer->isSoundHandleActive(*_bgSoundHandle))
-		return _mixer->getSoundElapsedTime(*_bgSoundHandle);
-
-	return DXADecoder::getTime();
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 // Factory function for creating the appropriate cutscene player
 ///////////////////////////////////////////////////////////////////////////////
 
-MoviePlayer *makeMoviePlayer(const char *name, Sword2Engine *vm, Audio::Mixer *snd, OSystem *system, uint32 frameCount) {
+MoviePlayer *makeMoviePlayer(const char *name, Sword2Engine *vm, OSystem *system, uint32 frameCount) {
 	Common::String filename;
-	Audio::SoundHandle *bgSoundHandle = new Audio::SoundHandle;
 
 	filename = Common::String::format("%s.str", name);
 
 	if (Common::File::exists(filename)) {
 #ifdef USE_RGB_COLOR
 		Video::VideoDecoder *psxDecoder = new Video::PSXStreamDecoder(Video::PSXStreamDecoder::kCD2x, frameCount);
-		return new MoviePlayer(vm, snd, system, bgSoundHandle, psxDecoder, kVideoDecoderPSX);
+		return new MoviePlayer(vm, system, psxDecoder, kVideoDecoderPSX);
 #else
 		GUI::MessageDialog dialog(_("PSX cutscenes found but ScummVM has been built without RGB color support"), _("OK"));
 		dialog.runModal();
@@ -450,15 +424,15 @@ MoviePlayer *makeMoviePlayer(const char *name, Sword2Engine *vm, Audio::Mixer *s
 
 	if (Common::File::exists(filename)) {
 		Video::SmackerDecoder *smkDecoder = new Video::SmackerDecoder();
-		return new MoviePlayer(vm, snd, system, bgSoundHandle, smkDecoder, kVideoDecoderSMK);
+		return new MoviePlayer(vm, system, smkDecoder, kVideoDecoderSMK);
 	}
 
 	filename = Common::String::format("%s.dxa", name);
 
 	if (Common::File::exists(filename)) {
 #ifdef USE_ZLIB
-		DXADecoderWithSound *dxaDecoder = new DXADecoderWithSound(snd, bgSoundHandle);
-		return new MoviePlayer(vm, snd, system, bgSoundHandle, dxaDecoder, kVideoDecoderDXA);
+		Video::DXADecoder *dxaDecoder = new Video::DXADecoder();
+		return new MoviePlayer(vm, system, dxaDecoder, kVideoDecoderDXA);
 #else
 		GUI::MessageDialog dialog(_("DXA cutscenes found but ScummVM has been built without zlib support"), _("OK"));
 		dialog.runModal();
diff --git a/engines/sword2/animation.h b/engines/sword2/animation.h
index 3d5c42b7f7..b2a243b2ca 100644
--- a/engines/sword2/animation.h
+++ b/engines/sword2/animation.h
@@ -25,12 +25,16 @@
 #ifndef SWORD2_ANIMATION_H
 #define SWORD2_ANIMATION_H
 
-#include "video/dxa_decoder.h"
-#include "video/video_decoder.h"
-#include "audio/mixer.h"
-
 #include "sword2/screen.h"
 
+namespace Graphics {
+struct Surface;
+}
+
+namespace Video {
+class VideoDecoder;
+}
+
 namespace Sword2 {
 
 enum DecoderType {
@@ -55,20 +59,9 @@ struct MovieText {
 	}
 };
 
-class DXADecoderWithSound : public Video::DXADecoder {
-public:
-	DXADecoderWithSound(Audio::Mixer *mixer, Audio::SoundHandle *bgSoundHandle);
-	~DXADecoderWithSound() {}
-
-	uint32 getTime() const;
-private:
-	Audio::Mixer *_mixer;
-	Audio::SoundHandle *_bgSoundHandle;
-};
-
 class MoviePlayer {
 public:
-	MoviePlayer(Sword2Engine *vm, Audio::Mixer *snd, OSystem *system, Audio::SoundHandle *bgSoundHandle, Video::VideoDecoder *decoder, DecoderType decoderType);
+	MoviePlayer(Sword2Engine *vm, OSystem *system, Video::VideoDecoder *decoder, DecoderType decoderType);
 	virtual ~MoviePlayer();
 
 	bool load(const char *name);
@@ -76,7 +69,6 @@ public:
 
 protected:
 	Sword2Engine *_vm;
-	Audio::Mixer *_snd;
 	OSystem *_system;
 	MovieText *_movieTexts;
 	uint32 _numMovieTexts;
@@ -87,8 +79,6 @@ protected:
 	DecoderType _decoderType;
 
 	Video::VideoDecoder *_decoder;
-	Audio::SoundHandle *_bgSoundHandle;
-	Audio::AudioStream *_bgSoundStream;
 
 	uint32 _leadOut;
 	int _leadOutFrame;
@@ -105,7 +95,7 @@ protected:
 	uint32 getWhiteColor();
 };
 
-MoviePlayer *makeMoviePlayer(const char *name, Sword2Engine *vm, Audio::Mixer *snd, OSystem *system, uint32 frameCount);
+MoviePlayer *makeMoviePlayer(const char *name, Sword2Engine *vm, OSystem *system, uint32 frameCount);
 
 } // End of namespace Sword2
 
diff --git a/engines/sword2/function.cpp b/engines/sword2/function.cpp
index 836b252d6c..07fcaa094b 100644
--- a/engines/sword2/function.cpp
+++ b/engines/sword2/function.cpp
@@ -2139,7 +2139,7 @@ int32 Logic::fnPlaySequence(int32 *params) {
 
 	uint32 frameCount = Sword2Engine::isPsx() ? params[1] : 0;
 
-	_moviePlayer = makeMoviePlayer(filename, _vm, _vm->_mixer, _vm->_system, frameCount);
+	_moviePlayer = makeMoviePlayer(filename, _vm, _vm->_system, frameCount);
 
 	if (_moviePlayer && _moviePlayer->load(filename)) {
 		_moviePlayer->play(_sequenceTextList, _sequenceTextLines, _smackerLeadIn, _smackerLeadOut);
diff --git a/video/dxa_decoder.cpp b/video/dxa_decoder.cpp
index 7d1112a59c..5ac9bd2088 100644
--- a/video/dxa_decoder.cpp
+++ b/video/dxa_decoder.cpp
@@ -37,41 +37,43 @@
 namespace Video {
 
 DXADecoder::DXADecoder() {
-	_fileStream = 0;
-	_surface = 0;
-	_dirtyPalette = false;
+}
 
-	_frameBuffer1 = 0;
-	_frameBuffer2 = 0;
-	_scaledBuffer = 0;
+DXADecoder::~DXADecoder() {
+	close();
+}
 
-	_inBuffer = 0;
-	_inBufferSize = 0;
+bool DXADecoder::loadStream(Common::SeekableReadStream *stream) {
+	close();
 
-	_decompBuffer = 0;
-	_decompBufferSize = 0;
+	uint32 tag = stream->readUint32BE();
 
-	_width = 0;
-	_height = 0;
+	if (tag != MKTAG('D','E','X','A')) {
+		close();
+		return false;
+	}
 
-	_frameSize = 0;
-	_frameCount = 0;
-	_frameRate = 0;
+	DXAVideoTrack *track = new DXAVideoTrack(stream);
+	addTrack(track);
 
-	_scaleMode = S_NONE;
-}
+	readSoundData(stream);
 
-DXADecoder::~DXADecoder() {
-	close();
+	track->setFrameStartPos();
+	return true;
 }
 
-bool DXADecoder::loadStream(Common::SeekableReadStream *stream) {
-	close();
+void DXADecoder::readSoundData(Common::SeekableReadStream *stream) {
+	// Skip over the tag by default
+	stream->readUint32BE();
+}
 
+DXADecoder::DXAVideoTrack::DXAVideoTrack(Common::SeekableReadStream *stream) {
 	_fileStream = stream;
-
-	uint32 tag = _fileStream->readUint32BE();
-	assert(tag == MKTAG('D','E','X','A'));
+	_curFrame = -1;
+	_frameStartOffset = 0;
+	_decompBuffer = 0;
+	_inBuffer = 0;
+	memset(_palette, 0, 256 * 3);
 
 	uint8 flags = _fileStream->readByte();
 	_frameCount = _fileStream->readUint16BE();
@@ -105,18 +107,14 @@ bool DXADecoder::loadStream(Common::SeekableReadStream *stream) {
 
 	_frameSize = _width * _height;
 	_decompBufferSize = _frameSize;
-	_frameBuffer1 = (uint8 *)malloc(_frameSize);
+	_frameBuffer1 = new byte[_frameSize];
 	memset(_frameBuffer1, 0, _frameSize);
-	_frameBuffer2 = (uint8 *)malloc(_frameSize);
+	_frameBuffer2 = new byte[_frameSize];
 	memset(_frameBuffer2, 0, _frameSize);
-	if (!_frameBuffer1 || !_frameBuffer2)
-		error("DXADecoder: Error allocating frame buffers (size %u)", _frameSize);
 
 	_scaledBuffer = 0;
 	if (_scaleMode != S_NONE) {
-		_scaledBuffer = (uint8 *)malloc(_frameSize);
-		if (!_scaledBuffer)
-			error("Error allocating scale buffer (size %u)", _frameSize);
+		_scaledBuffer = new byte[_frameSize];
 		memset(_scaledBuffer, 0, _frameSize);
 	}
 
@@ -148,36 +146,33 @@ bool DXADecoder::loadStream(Common::SeekableReadStream *stream) {
 		} while (tag != 0);
 	}
 #endif
-
-	// Read the sound header
-	_soundTag = _fileStream->readUint32BE();
-
-	return true;
 }
 
-void DXADecoder::close() {
-	if (!_fileStream)
-		return;
-
+DXADecoder::DXAVideoTrack::~DXAVideoTrack() {
 	delete _fileStream;
-	_fileStream = 0;
-
 	delete _surface;
-	_surface = 0;
+	delete[] _frameBuffer1;
+	delete[] _frameBuffer2;
+	delete[] _scaledBuffer;
+	delete[] _inBuffer;
+	delete[] _decompBuffer;
+}
 
-	free(_frameBuffer1);
-	free(_frameBuffer2);
-	free(_scaledBuffer);
-	free(_inBuffer);
-	free(_decompBuffer);
+bool DXADecoder::DXAVideoTrack::rewind() {
+	_curFrame = -1;
+	_fileStream->seek(_frameStartOffset);
+	return true;
+}
 
-	_inBuffer = 0;
-	_decompBuffer = 0;
+Graphics::PixelFormat DXADecoder::DXAVideoTrack::getPixelFormat() const {
+	return _surface->format;
+}
 
-	reset();
+void DXADecoder::DXAVideoTrack::setFrameStartPos() {
+	_frameStartOffset = _fileStream->pos();
 }
 
-void DXADecoder::decodeZlib(byte *data, int size, int totalSize) {
+void DXADecoder::DXAVideoTrack::decodeZlib(byte *data, int size, int totalSize) {
 #ifdef USE_ZLIB
 	unsigned long dstLen = totalSize;
 	Common::uncompress(data, &dstLen, _inBuffer, size);
@@ -187,14 +182,13 @@ void DXADecoder::decodeZlib(byte *data, int size, int totalSize) {
 #define BLOCKW 4
 #define BLOCKH 4
 
-void DXADecoder::decode12(int size) {
+void DXADecoder::DXAVideoTrack::decode12(int size) {
 #ifdef USE_ZLIB
-	if (_decompBuffer == NULL) {
-		_decompBuffer = (byte *)malloc(_decompBufferSize);
+	if (!_decompBuffer) {
+		_decompBuffer = new byte[_decompBufferSize];
 		memset(_decompBuffer, 0, _decompBufferSize);
-		if (_decompBuffer == NULL)
-			error("Error allocating decomp buffer (size %u)", _decompBufferSize);
 	}
+
 	/* decompress the input data */
 	decodeZlib(_decompBuffer, size, _decompBufferSize);
 
@@ -287,15 +281,13 @@ void DXADecoder::decode12(int size) {
 #endif
 }
 
-void DXADecoder::decode13(int size) {
+void DXADecoder::DXAVideoTrack::decode13(int size) {
 #ifdef USE_ZLIB
 	uint8 *codeBuf, *dataBuf, *motBuf, *maskBuf;
 
-	if (_decompBuffer == NULL) {
-		_decompBuffer = (byte *)malloc(_decompBufferSize);
+	if (!_decompBuffer) {
+		_decompBuffer = new byte[_decompBufferSize];
 		memset(_decompBuffer, 0, _decompBufferSize);
-		if (_decompBuffer == NULL)
-			error("Error allocating decomp buffer (size %u)", _decompBufferSize);
 	}
 
 	/* decompress the input data */
@@ -475,7 +467,7 @@ void DXADecoder::decode13(int size) {
 #endif
 }
 
-const Graphics::Surface *DXADecoder::decodeNextFrame() {
+const Graphics::Surface *DXADecoder::DXAVideoTrack::decodeNextFrame() {
 	uint32 tag = _fileStream->readUint32BE();
 	if (tag == MKTAG('C','M','A','P')) {
 		_fileStream->read(_palette, 256 * 3);
@@ -486,11 +478,10 @@ const Graphics::Surface *DXADecoder::decodeNextFrame() {
 	if (tag == MKTAG('F','R','A','M')) {
 		byte type = _fileStream->readByte();
 		uint32 size = _fileStream->readUint32BE();
-		if ((_inBuffer == NULL) || (_inBufferSize < size)) {
-			free(_inBuffer);
-			_inBuffer = (byte *)malloc(size);
-			if (_inBuffer == NULL)
-				error("Error allocating input buffer (size %u)", size);
+
+		if (!_inBuffer || _inBufferSize < size) {
+			delete[] _inBuffer;
+			_inBuffer = new byte[size];
 			memset(_inBuffer, 0, size);
 			_inBufferSize = size;
 		}
@@ -551,9 +542,6 @@ const Graphics::Surface *DXADecoder::decodeNextFrame() {
 
 	_curFrame++;
 
-	if (_curFrame == 0)
-		_startTime = g_system->getMillis();
-
 	return _surface;
 }
 
diff --git a/video/dxa_decoder.h b/video/dxa_decoder.h
index d13cd3076c..a0caca4b95 100644
--- a/video/dxa_decoder.h
+++ b/video/dxa_decoder.h
@@ -41,62 +41,74 @@ namespace Video {
  *  - sword1
  *  - sword2
  */
-class DXADecoder : public FixedRateVideoDecoder {
+class DXADecoder : public AdvancedVideoDecoder {
 public:
 	DXADecoder();
 	virtual ~DXADecoder();
 
 	bool loadStream(Common::SeekableReadStream *stream);
-	void close();
-
-	bool isVideoLoaded() const { return _fileStream != 0; }
-	uint16 getWidth() const { return _width; }
-	uint16 getHeight() const { return _height; }
-	uint32 getFrameCount() const { return _frameCount; }
-	const Graphics::Surface *decodeNextFrame();
-	Graphics::PixelFormat getPixelFormat() const { return Graphics::PixelFormat::createFormatCLUT8(); }
-	const byte *getPalette() { _dirtyPalette = false; return _palette; }
-	bool hasDirtyPalette() const { return _dirtyPalette; }
 
+protected:
 	/**
-	 * Get the sound chunk tag of the loaded DXA file
+	 * Read the sound data out of the given DXA stream
 	 */
-	uint32 getSoundTag() { return _soundTag; }
-
-protected:
-	Common::Rational getFrameRate() const { return _frameRate; }
-
-	Common::SeekableReadStream *_fileStream;
+	virtual void readSoundData(Common::SeekableReadStream *stream);
 
 private:
-	void decodeZlib(byte *data, int size, int totalSize);
-	void decode12(int size);
-	void decode13(int size);
-
-	enum ScaleMode {
-		S_NONE,
-		S_INTERLACED,
-		S_DOUBLE
+	class DXAVideoTrack : public FixedRateVideoTrack {
+	public:
+		DXAVideoTrack(Common::SeekableReadStream *stream);
+		~DXAVideoTrack();
+
+		bool isRewindable() const { return true; }
+		bool rewind();
+
+		uint16 getWidth() const { return _width; }
+		uint16 getHeight() const { return _height; }
+		Graphics::PixelFormat getPixelFormat() const;
+		int getCurFrame() const { return _curFrame; }
+		int getFrameCount() const { return _frameCount; }
+		const Graphics::Surface *decodeNextFrame();
+		const byte *getPalette() const { _dirtyPalette = false; return _palette; }
+		bool hasDirtyPalette() const { return _dirtyPalette; }
+
+		void setFrameStartPos();
+
+	protected:
+		Common::Rational getFrameRate() const { return _frameRate; }
+
+	private:
+		void decodeZlib(byte *data, int size, int totalSize);
+		void decode12(int size);
+		void decode13(int size);
+
+		enum ScaleMode {
+			S_NONE,
+			S_INTERLACED,
+			S_DOUBLE
+		};
+
+		Common::SeekableReadStream *_fileStream;
+		Graphics::Surface *_surface;
+
+		byte *_frameBuffer1;
+		byte *_frameBuffer2;
+		byte *_scaledBuffer;
+		byte *_inBuffer;
+		uint32 _inBufferSize;
+		byte *_decompBuffer;
+		uint32 _decompBufferSize;
+		uint16 _curHeight;
+		uint32 _frameSize;
+		ScaleMode _scaleMode;
+		uint16 _width, _height;
+		uint32 _frameRate;
+		uint32 _frameCount;
+		byte _palette[256 * 3];
+		mutable bool _dirtyPalette;
+		int _curFrame;
+		uint32 _frameStartOffset;
 	};
-
-	Graphics::Surface *_surface;
-	byte _palette[256 * 3];
-	bool _dirtyPalette;
-
-	byte *_frameBuffer1;
-	byte *_frameBuffer2;
-	byte *_scaledBuffer;
-	byte *_inBuffer;
-	uint32 _inBufferSize;
-	byte *_decompBuffer;
-	uint32 _decompBufferSize;
-	uint16 _curHeight;
-	uint32 _frameSize;
-	ScaleMode _scaleMode;
-	uint32 _soundTag;
-	uint16 _width, _height;
-	uint32 _frameRate;
-	uint32 _frameCount;
 };
 
 } // End of namespace Video