manually merged engines from trunk into branch

svn-id: r51964

1 files changed, 0 insertions, 1272 deletions

diff --git a/engines/mohawk/video/qt_player.cpp b/engines/mohawk/video/qt_player.cpp
deleted file mode 100644
index 0ed05bb84d..0000000000
--- a/engines/mohawk/video/qt_player.cpp
+++ /dev/null
@@ -1,1272 +0,0 @@
-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- *
- */
-
-//
-// Heavily based on ffmpeg code.
-//
-// Copyright (c) 2001 Fabrice Bellard.
-// First version by Francois Revol revol@free.fr
-// Seek function by Gael Chardon gael.dev@4now.net
-//
-
-#include "mohawk/video/qt_player.h"
-
-#include "common/debug.h"
-#include "common/endian.h"
-#include "common/util.h"
-#include "common/zlib.h"
-
-// Audio codecs
-#include "sound/decoders/adpcm.h"
-#include "sound/decoders/raw.h"
-#include "mohawk/video/qdm2.h"
-
-// Video codecs
-#include "mohawk/jpeg.h"
-#include "mohawk/video/cinepak.h"
-#include "mohawk/video/qtrle.h"
-#include "mohawk/video/rpza.h"
-#include "mohawk/video/smc.h"
-
-namespace Mohawk {
-
-////////////////////////////////////////////
-// QTPlayer
-////////////////////////////////////////////
-
-QTPlayer::QTPlayer() : Graphics::VideoDecoder() {
-	_audStream = NULL;
-	_beginOffset = 0;
-	_videoCodec = NULL;
-	_curFrame = -1;
-	_startTime = _nextFrameStartTime = 0;
-	_audHandle = Audio::SoundHandle();
-	_numStreams = 0;
-	_fd = 0;
-	_scaledSurface = 0;
-	_dirtyPalette = false;
-}
-
-QTPlayer::~QTPlayer() {
-	close();
-}
-
-uint16 QTPlayer::getWidth() const {
-	if (_videoStreamIndex < 0)
-		return 0;
-
-	return _streams[_videoStreamIndex]->width / getScaleMode();
-}
-
-uint16 QTPlayer::getHeight() const {
-	if (_videoStreamIndex < 0)
-		return 0;
-
-	return _streams[_videoStreamIndex]->height / getScaleMode();
-}
-
-uint32 QTPlayer::getFrameCount() const {
-	if (_videoStreamIndex < 0)
-		return 0;
-
-	return _streams[_videoStreamIndex]->nb_frames;
-}
-
-byte QTPlayer::getBitsPerPixel() {
-	if (_videoStreamIndex < 0)
-		return 0;
-
-	return _streams[_videoStreamIndex]->bits_per_sample & 0x1F;
-}
-
-uint32 QTPlayer::getCodecTag() {
-	if (_videoStreamIndex < 0)
-		return 0;
-
-	return _streams[_videoStreamIndex]->codec_tag;
-}
-
-ScaleMode QTPlayer::getScaleMode() const {
-	if (_videoStreamIndex < 0)
-		return kScaleNormal;
-
-	return (ScaleMode)(_scaleMode * _streams[_videoStreamIndex]->scaleMode);
-}
-
-uint32 QTPlayer::getFrameDuration() {
-	if (_videoStreamIndex < 0)
-		return 0;
-
-	uint32 curFrameIndex = 0;
-	for (int32 i = 0; i < _streams[_videoStreamIndex]->stts_count; i++) {
-		curFrameIndex += _streams[_videoStreamIndex]->stts_data[i].count;
-		if ((uint32)_curFrame < curFrameIndex) {
-			// Ok, now we have what duration this frame has.
-			return _streams[_videoStreamIndex]->stts_data[i].duration;
-		}
-	}
-
-	// This should never occur
-	error ("Cannot find duration for frame %d", _curFrame);
-	return 0;
-}
-
-Graphics::PixelFormat QTPlayer::getPixelFormat() const {
-	if (!_videoCodec)
-		return Graphics::PixelFormat::createFormatCLUT8();
-
-	return _videoCodec->getPixelFormat();
-}
-
-void QTPlayer::rewind() {
-	delete _videoCodec; _videoCodec = NULL;
-	_curFrame = -1;
-	_startTime = _nextFrameStartTime = 0;
-
-	// Restart the audio too
-	stopAudio();
-	if (_audioStreamIndex >= 0) {
-		_curAudioChunk = 0;
-		_audStream = Audio::makeQueuingAudioStream(_streams[_audioStreamIndex]->sample_rate, _streams[_audioStreamIndex]->channels == 2);
-	}
-	startAudio();
-}
-
-Graphics::Codec *QTPlayer::createCodec(uint32 codecTag, byte bitsPerPixel) {
-	if (codecTag == MKID_BE('cvid')) {
-		// Cinepak: As used by most Myst and all Riven videos as well as some Myst ME videos. "The Chief" videos also use this.
-		return new CinepakDecoder();
-	} else if (codecTag == MKID_BE('rpza')) {
-		// Apple Video ("Road Pizza"): Used by some Myst videos.
-		return new RPZADecoder(getWidth(), getHeight());
-	} else if (codecTag == MKID_BE('rle ')) {
-		// QuickTime RLE: Used by some Myst ME videos.
-		return new QTRLEDecoder(getWidth(), getHeight(), bitsPerPixel);
-	} else if (codecTag == MKID_BE('smc ')) {
-		// Apple SMC: Used by some Myst videos.
-		return new SMCDecoder(getWidth(), getHeight());
-	} else if (codecTag == MKID_BE('SVQ1')) {
-		// Sorenson Video 1: Used by some Myst ME videos.
-		warning ("Sorenson Video 1 not yet supported");
-	} else if (codecTag == MKID_BE('SVQ3')) {
-		// Sorenson Video 3: Used by some Myst ME videos.
-		warning ("Sorenson Video 3 not yet supported");
-	} else if (codecTag == MKID_BE('jpeg')) {
-		// Motion JPEG: Used by some Myst ME 10th Anniversary videos.
-		return new JPEGDecoder(true);
-	} else if (codecTag == MKID_BE('QkBk')) {
-		// CDToons: Used by most of the Broderbund games. This is an unknown format so far.
-		warning ("CDToons not yet supported");
-	} else {
-		warning ("Unsupported codec \'%s\'", tag2str(codecTag));
-	}
-
-	return NULL;
-}
-
-void QTPlayer::startAudio() {
-	if (_audStream) // No audio/audio not supported
-		g_system->getMixer()->playStream(Audio::Mixer::kPlainSoundType, &_audHandle, _audStream);
-}
-
-void QTPlayer::stopAudio() {
-	if (_audStream) {
-		g_system->getMixer()->stopHandle(_audHandle);
-		_audStream = NULL; // the mixer automatically frees the stream
-	}
-}
-
-void QTPlayer::pauseVideoIntern(bool pause) {
-	if (_audStream)
-		g_system->getMixer()->pauseHandle(_audHandle, pause);		
-}
-
-Graphics::Surface *QTPlayer::decodeNextFrame() {
-	if (!_videoCodec || _curFrame >= (int32)getFrameCount() - 1)
-		return NULL;
-
-	if (_startTime == 0)
-		_startTime = g_system->getMillis();
-
-	_curFrame++;
-	_nextFrameStartTime += getFrameDuration();
-
-	Common::SeekableReadStream *frameData = getNextFramePacket();
-
-	if (frameData) {
-		Graphics::Surface *frame = _videoCodec->decodeImage(frameData);
-		delete frameData;
-		return scaleSurface(frame);
-	}
-
-	return NULL;
-}
-
-Graphics::Surface *QTPlayer::scaleSurface(Graphics::Surface *frame) {
-	if (getScaleMode() == kScaleNormal)
-		return frame;
-
-	assert(_scaledSurface);
-
-	for (uint32 j = 0; j < _scaledSurface->h; j++)
-		for (uint32 k = 0; k < _scaledSurface->w; k++)
-			memcpy(_scaledSurface->getBasePtr(k, j), frame->getBasePtr(k * getScaleMode(), j * getScaleMode()), frame->bytesPerPixel);
-
-	return _scaledSurface;
-}
-
-bool QTPlayer::endOfVideo() const {
-	return (!_audStream || _audStream->endOfData()) && (!_videoCodec || _curFrame >= (int32)getFrameCount() - 1);
-}
-
-bool QTPlayer::needsUpdate() const {
-	return !endOfVideo() && getTimeToNextFrame() == 0;
-}
-
-uint32 QTPlayer::getElapsedTime() const {
-	if (_audStream)
-		return g_system->getMixer()->getSoundElapsedTime(_audHandle);
-
-	return g_system->getMillis() - _startTime;
-}
-
-uint32 QTPlayer::getTimeToNextFrame() const {
-	if (endOfVideo() || _curFrame < 0)
-		return 0;
-
-	// Convert from the Sega FILM base to 1000
-	uint32 nextFrameStartTime = _nextFrameStartTime * 1000 / _streams[_videoStreamIndex]->time_scale;
-	uint32 elapsedTime = getElapsedTime();
-
-	if (nextFrameStartTime <= elapsedTime)
-		return 0;
-
-	return nextFrameStartTime - elapsedTime;
-}
-
-bool QTPlayer::load(Common::SeekableReadStream &stream) {
-	_fd = &stream;
-	_foundMOOV = _foundMDAT = false;
-	_numStreams = 0;
-	_partial = 0;
-	_videoStreamIndex = _audioStreamIndex = -1;
-	_startTime = 0;
-
-	initParseTable();
-
-	MOVatom atom = { 0, 0, 0xffffffff };
-
-	if (readDefault(atom) < 0 || (!_foundMOOV && !_foundMDAT))
-		return false;
-
-	debug(0, "on_parse_exit_offset=%d", _fd->pos());
-
-	// some cleanup : make sure we are on the mdat atom
-	if((uint32)_fd->pos() != _mdatOffset)
-		_fd->seek(_mdatOffset, SEEK_SET);
-
-	_next_chunk_offset = _mdatOffset; // initialise reading
-
-	for (uint32 i = 0; i < _numStreams;) {
-		if (_streams[i]->codec_type == CODEC_TYPE_MOV_OTHER) {// not audio, not video, delete
-			delete _streams[i];
-			for (uint32 j = i + 1; j < _numStreams; j++)
-				_streams[j - 1] = _streams[j];
-			_numStreams--;
-		} else
-			i++;
-	}
-
-	for (uint32 i = 0; i < _numStreams; i++) {
-		MOVStreamContext *sc = _streams[i];
-
-		if(!sc->time_rate)
-			sc->time_rate = 1;
-
-		if(!sc->time_scale)
-			sc->time_scale = _timeScale;
-
-		//av_set_pts_info(s->streams[i], 64, sc->time_rate, sc->time_scale);
-
-		sc->duration /= sc->time_rate;
-
-		sc->ffindex = i;
-		sc->is_ff_stream = 1;
-
-		if (sc->codec_type == CODEC_TYPE_VIDEO && _videoStreamIndex < 0)
-			_videoStreamIndex = i;
-		else if (sc->codec_type == CODEC_TYPE_AUDIO && _audioStreamIndex < 0)
-			_audioStreamIndex = i;
-	}
-
-	if (_audioStreamIndex >= 0 && checkAudioCodecSupport(_streams[_audioStreamIndex]->codec_tag)) {
-		_audStream = Audio::makeQueuingAudioStream(_streams[_audioStreamIndex]->sample_rate, _streams[_audioStreamIndex]->channels == 2);
-		_curAudioChunk = 0;
-
-		// Make sure the bits per sample transfers to the sample size
-		if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('raw ') || _streams[_audioStreamIndex]->codec_tag == MKID_BE('twos'))
-			_streams[_audioStreamIndex]->sample_size = (_streams[_audioStreamIndex]->bits_per_sample / 8) * _streams[_audioStreamIndex]->channels;
-
-		startAudio();
-	}
-
-	if (_videoStreamIndex >= 0) {
-		_videoCodec = createCodec(getCodecTag(), getBitsPerPixel());
-
-		if (getScaleMode() != kScaleNormal) {
-			// We have to initialize the scaled surface
-			_scaledSurface = new Graphics::Surface();
-			_scaledSurface->create(getWidth(), getHeight(), getPixelFormat().bytesPerPixel);
-		}
-	}
-
-	return true;
-}
-
-void QTPlayer::initParseTable() {
-	static const ParseTable p[] = {
-		{ MKID_BE('dinf'), &QTPlayer::readDefault },
-		{ MKID_BE('dref'), &QTPlayer::readLeaf },
-		{ MKID_BE('edts'), &QTPlayer::readDefault },
-		{ MKID_BE('elst'), &QTPlayer::readELST },
-		{ MKID_BE('hdlr'), &QTPlayer::readHDLR },
-		{ MKID_BE('mdat'), &QTPlayer::readMDAT },
-		{ MKID_BE('mdhd'), &QTPlayer::readMDHD },
-		{ MKID_BE('mdia'), &QTPlayer::readDefault },
-		{ MKID_BE('minf'), &QTPlayer::readDefault },
-		{ MKID_BE('moov'), &QTPlayer::readMOOV },
-		{ MKID_BE('mvhd'), &QTPlayer::readMVHD },
-		{ MKID_BE('smhd'), &QTPlayer::readLeaf },
-		{ MKID_BE('stbl'), &QTPlayer::readDefault },
-		{ MKID_BE('stco'), &QTPlayer::readSTCO },
-		{ MKID_BE('stsc'), &QTPlayer::readSTSC },
-		{ MKID_BE('stsd'), &QTPlayer::readSTSD },
-		{ MKID_BE('stss'), &QTPlayer::readSTSS },
-		{ MKID_BE('stsz'), &QTPlayer::readSTSZ },
-		{ MKID_BE('stts'), &QTPlayer::readSTTS },
-		{ MKID_BE('tkhd'), &QTPlayer::readTKHD },
-		{ MKID_BE('trak'), &QTPlayer::readTRAK },
-		{ MKID_BE('udta'), &QTPlayer::readLeaf },
-		{ MKID_BE('vmhd'), &QTPlayer::readLeaf },
-		{ MKID_BE('cmov'), &QTPlayer::readCMOV },
-		{ MKID_BE('wave'), &QTPlayer::readWAVE },
-		{ 0, 0 }
-	};
-
-	_parseTable = p;
-}
-
-int QTPlayer::readDefault(MOVatom atom) {
-	uint32 total_size = 0;
-	MOVatom a;
-	int err = 0;
-
-	a.offset = atom.offset;
-
-	while(((total_size + 8) < atom.size) && !_fd->eos() && !err) {
-		a.size = atom.size;
-		a.type = 0;
-
-		if (atom.size >= 8) {
-			a.size = _fd->readUint32BE();
-			a.type = _fd->readUint32BE();
-		}
-
-		total_size += 8;
-		a.offset += 8;
-		debug(4, "type: %08x  %.4s  sz: %x %x %x", a.type, tag2str(a.type), a.size, atom.size, total_size);
-
-		if (a.size == 1) { // 64 bit extended size
-			warning("64 bit extended size is not supported in QuickTime");
-			return -1;
-		}
-
-		if (a.size == 0) {
-			a.size = atom.size - total_size;
-			if (a.size <= 8)
-				break;
-		}
-
-		uint32 i = 0;
-
-		for (; _parseTable[i].type != 0 && _parseTable[i].type != a.type; i++)
-			// empty;
-
-		if (a.size < 8)
-			break;
-
-		a.size -= 8;
-
-		if (_parseTable[i].type == 0) { // skip leaf atoms data
-			debug(0, ">>> Skipped [%s]", tag2str(a.type));
-
-			_fd->seek(a.size, SEEK_CUR);
-		} else {
-			uint32 start_pos = _fd->pos();
-			err = (this->*_parseTable[i].func)(a);
-
-			uint32 left = a.size - _fd->pos() + start_pos;
-
-			if (left > 0) // skip garbage at atom end
-				_fd->seek(left, SEEK_CUR);
-		}
-
-		a.offset += a.size;
-		total_size += a.size;
-	}
-
-	if (!err && total_size < atom.size)
-		_fd->seek(atom.size - total_size, SEEK_SET);
-
-	return err;
-}
-
-int QTPlayer::readLeaf(MOVatom atom) {
-	if (atom.size > 1)
-		_fd->seek(atom.size, SEEK_SET);
-
-	return 0;
-}
-
-int QTPlayer::readMOOV(MOVatom atom) {
-	if (readDefault(atom) < 0)
-		return -1;
-
-	// we parsed the 'moov' atom, we can terminate the parsing as soon as we find the 'mdat'
-	// so we don't parse the whole file if over a network
-	_foundMOOV = true;
-
-	if(_foundMDAT)
-		return 1; // found both, just go
-
-	return 0; // now go for mdat
-}
-
-int QTPlayer::readCMOV(MOVatom atom) {
-#ifdef USE_ZLIB
-	// Read in the dcom atom
-	_fd->readUint32BE();
-	if (_fd->readUint32BE() != MKID_BE('dcom'))
-		return -1;
-	if (_fd->readUint32BE() != MKID_BE('zlib')) {
-		warning("Unknown cmov compression type");
-		return -1;
-	}
-
-	// Read in the cmvd atom
-	uint32 compressedSize = _fd->readUint32BE() - 12;
-	if (_fd->readUint32BE() != MKID_BE('cmvd'))
-		return -1;
-	uint32 uncompressedSize = _fd->readUint32BE();
-
-	// Read in data
-	byte *compressedData = (byte *)malloc(compressedSize);
-	_fd->read(compressedData, compressedSize);
-
-	// Create uncompressed stream
-	byte *uncompressedData = (byte *)malloc(uncompressedSize);
-
-	// Uncompress the data
-	unsigned long dstLen = uncompressedSize;
-	if (!Common::uncompress(uncompressedData, &dstLen, compressedData, compressedSize)) {
-		warning ("Could not uncompress cmov chunk");
-		return -1;
-	}
-
-	// Load data into a new MemoryReadStream and assign _fd to be that
-	Common::SeekableReadStream *oldStream = _fd;
-	_fd = new Common::MemoryReadStream(uncompressedData, uncompressedSize, DisposeAfterUse::YES);
-
-	// Read the contents of the uncompressed data
-	MOVatom a = { MKID_BE('moov'), 0, uncompressedSize };
-	int err = readDefault(a);
-
-	// Assign the file handle back to the original handle
-	free(compressedData);
-	delete _fd;
-	_fd = oldStream;
-
-	return err;
-#else
-	warning ("zlib not found, cannot read QuickTime cmov atom");
-	return -1;
-#endif
-}
-
-int QTPlayer::readMVHD(MOVatom atom) {
-	byte version = _fd->readByte(); // version
-	_fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
-
-	if (version == 1) {
-		warning("QuickTime version 1");
-		_fd->readUint32BE(); _fd->readUint32BE();
-		_fd->readUint32BE(); _fd->readUint32BE();
-	} else {
-		_fd->readUint32BE(); // creation time
-		_fd->readUint32BE(); // modification time
-	}
-
-	_timeScale = _fd->readUint32BE(); // time scale
-	debug(0, "time scale = %i\n", _timeScale);
-
-	// duration
-	_duration = (version == 1) ? (_fd->readUint32BE(), _fd->readUint32BE()) : _fd->readUint32BE();
-	_fd->readUint32BE(); // preferred scale
-
-	_fd->readUint16BE(); // preferred volume
-
-	_fd->seek(10, SEEK_CUR); // reserved
-
-	// We only need two values from the movie display matrix. Most of the values are just
-	// skipped. xMod and yMod are 16:16 fixed point numbers, the last part of the 3x3 matrix
-	// is 2:30.
-	uint32 xMod = _fd->readUint32BE();
-	_fd->skip(12);
-	uint32 yMod = _fd->readUint32BE();
-	_fd->skip(16);
-
-	if (xMod != yMod)
-		error("X and Y resolution modifiers differ");
-
-	if (xMod == 0x8000)
-		_scaleMode = kScaleHalf;
-	else if (xMod == 0x4000)
-		_scaleMode = kScaleQuarter;
-	else
-		_scaleMode = kScaleNormal;
-
-	debug(1, "readMVHD(): scaleMode = %d", (int)_scaleMode);
-
-	_fd->readUint32BE(); // preview time
-	_fd->readUint32BE(); // preview duration
-	_fd->readUint32BE(); // poster time
-	_fd->readUint32BE(); // selection time
-	_fd->readUint32BE(); // selection duration
-	_fd->readUint32BE(); // current time
-	_fd->readUint32BE(); // next track ID
-
-	return 0;
-}
-
-int QTPlayer::readTRAK(MOVatom atom) {
-	MOVStreamContext *sc = new MOVStreamContext();
-
-	if (!sc)
-		return -1;
-
-	sc->sample_to_chunk_index = -1;
-	sc->codec_type = CODEC_TYPE_MOV_OTHER;
-	sc->start_time = 0; // XXX: check
-	_streams[_numStreams++] = sc;
-
-	return readDefault(atom);
-}
-
-// this atom contains actual media data
-int QTPlayer::readMDAT(MOVatom atom) {
-	if (atom.size == 0) // wrong one (MP4)
-		return 0;
-
-	_foundMDAT = true;
-
-	_mdatOffset = atom.offset;
-	_mdatSize = atom.size;
-
-	if (_foundMOOV)
-		return 1; // found both, just go
-
-	_fd->seek(atom.size, SEEK_CUR);
-
-	return 0; // now go for moov
-}
-
-int QTPlayer::readTKHD(MOVatom atom) {
-	MOVStreamContext *st = _streams[_numStreams - 1];
-	byte version = _fd->readByte();
-
-	_fd->readByte(); _fd->readByte();
-	_fd->readByte(); // flags
-	//
-	//MOV_TRACK_ENABLED 0x0001
-	//MOV_TRACK_IN_MOVIE 0x0002
-	//MOV_TRACK_IN_PREVIEW 0x0004
-	//MOV_TRACK_IN_POSTER 0x0008
-	//
-
-	if (version == 1) {
-		_fd->readUint32BE(); _fd->readUint32BE();
-		_fd->readUint32BE(); _fd->readUint32BE();
-	} else {
-		_fd->readUint32BE(); // creation time
-		_fd->readUint32BE(); // modification time
-	}
-
-	/* st->id = */_fd->readUint32BE(); // track id (NOT 0 !)
-	_fd->readUint32BE(); // reserved
-	//st->start_time = 0; // check
-	(version == 1) ? (_fd->readUint32BE(), _fd->readUint32BE()) : _fd->readUint32BE(); // highlevel (considering edits) duration in movie timebase
-	_fd->readUint32BE(); // reserved
-	_fd->readUint32BE(); // reserved
-
-	_fd->readUint16BE(); // layer
-	_fd->readUint16BE(); // alternate group
-	_fd->readUint16BE(); // volume
-	_fd->readUint16BE(); // reserved
-
-	// We only need the two values from the displacement matrix for a track.
-	// See readMVHD() for more information.
-	uint32 xMod = _fd->readUint32BE();
-	_fd->skip(12);
-	uint32 yMod = _fd->readUint32BE();
-	_fd->skip(16);
-
-	if (xMod != yMod)
-		error("X and Y resolution modifiers differ");
-
-	if (xMod == 0x8000)
-		st->scaleMode = kScaleHalf;
-	else if (xMod == 0x4000)
-		st->scaleMode = kScaleQuarter;
-	else
-		st->scaleMode = kScaleNormal;
-
-	debug(1, "readTKHD(): scaleMode = %d", (int)_scaleMode);
-
-	// these are fixed-point, 16:16
-	// uint32 tkWidth = _fd->readUint32BE() >> 16; // track width
-	// uint32 tkHeight = _fd->readUint32BE() >> 16; // track height
-
-	return 0;
-}
-
-// edit list atom
-int QTPlayer::readELST(MOVatom atom) {
-	_fd->readByte(); // version
-	_fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
-	uint32 editCount = _streams[_numStreams - 1]->edit_count = _fd->readUint32BE();	 // entries
-
-	for (uint32 i = 0; i < editCount; i++){
-		_fd->readUint32BE(); // Track duration
-		_fd->readUint32BE(); // Media time
-		_fd->readUint32BE(); // Media rate
-	}
-
-	debug(0, "track[%i].edit_count = %i", _numStreams - 1, _streams[_numStreams - 1]->edit_count);
-
-	if (editCount != 1)
-		warning("Multiple edit list entries. Things may go awry");
-
-	return 0;
-}
-
-int QTPlayer::readHDLR(MOVatom atom) {
-	MOVStreamContext *st = _streams[_numStreams - 1];
-
-	_fd->readByte(); // version
-	_fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
-
-	// component type
-	uint32 ctype = _fd->readUint32LE();
-	uint32 type = _fd->readUint32BE(); // component subtype
-
-	debug(0, "ctype= %s (0x%08lx)", tag2str(ctype), (long)ctype);
-	debug(0, "stype= %s", tag2str(type));
-
-	if(ctype == MKID_BE('mhlr')) // MOV
-		debug(0, "MOV detected");
-	else if(ctype == 0) {
-		warning("MP4 streams are not supported");
-		return -1;
-	}
-
-	if (type == MKID_BE('vide'))
-		st->codec_type = CODEC_TYPE_VIDEO;
-	else if (type == MKID_BE('soun'))
-		st->codec_type = CODEC_TYPE_AUDIO;
-
-	_fd->readUint32BE(); // component  manufacture
-	_fd->readUint32BE(); // component flags
-	_fd->readUint32BE(); // component flags mask
-
-	if (atom.size <= 24)
-		return 0; // nothing left to read
-
-	// .mov: PASCAL string
-	byte len = _fd->readByte();
-	_fd->seek(len, SEEK_CUR);
-
-	_fd->seek(atom.size - (_fd->pos() - atom.offset), SEEK_CUR);
-
-	return 0;
-}
-
-int QTPlayer::readMDHD(MOVatom atom) {
-	MOVStreamContext *st = _streams[_numStreams - 1];
-	byte version = _fd->readByte();
-
-	if (version > 1)
-		return 1; // unsupported
-
-	_fd->readByte(); _fd->readByte();
-	_fd->readByte(); // flags
-
-	if (version == 1) {
-		_fd->readUint32BE(); _fd->readUint32BE();
-		_fd->readUint32BE(); _fd->readUint32BE();
-	} else {
-		_fd->readUint32BE(); // creation time
-		_fd->readUint32BE(); // modification time
-	}
-
-	st->time_scale = _fd->readUint32BE();
-	st->duration = (version == 1) ? (_fd->readUint32BE(), _fd->readUint32BE()) : _fd->readUint32BE(); // duration
-
-	_fd->readUint16BE(); // language
-	_fd->readUint16BE(); // quality
-
-	return 0;
-}
-
-int QTPlayer::readSTSD(MOVatom atom) {
-	MOVStreamContext *st = _streams[_numStreams - 1];
-
-	_fd->readByte(); // version
-	_fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
-
-	uint32 entries = _fd->readUint32BE();
-
-	while (entries--) { //Parsing Sample description table
-		MOVatom a = { 0, 0, 0 };
-		uint32 start_pos = _fd->pos();
-		int size = _fd->readUint32BE(); // size
-		uint32 format = _fd->readUint32BE(); // data format
-
-		_fd->readUint32BE(); // reserved
-		_fd->readUint16BE(); // reserved
-		_fd->readUint16BE(); // index
-
-		debug(0, "size=%d 4CC= %s codec_type=%d", size, tag2str(format), st->codec_type);
-		st->codec_tag = format;
-
-		if (st->codec_type == CODEC_TYPE_VIDEO) {
-			debug(0, "Video Codec FourCC: \'%s\'", tag2str(format));
-
-			_fd->readUint16BE(); // version
-			_fd->readUint16BE(); // revision level
-			_fd->readUint32BE(); // vendor
-			_fd->readUint32BE(); // temporal quality
-			_fd->readUint32BE(); // spacial quality
-
-			st->width = _fd->readUint16BE(); // width
-			st->height = _fd->readUint16BE(); // height
-
-			_fd->readUint32BE(); // horiz resolution
-			_fd->readUint32BE(); // vert resolution
-			_fd->readUint32BE(); // data size, always 0
-			uint16 frames_per_sample = _fd->readUint16BE(); // frames per samples
-
-			debug(0, "frames/samples = %d", frames_per_sample);
-
-			byte codec_name[32];
-			_fd->read(codec_name, 32); // codec name, pascal string (FIXME: true for mp4?)
-			if (codec_name[0] <= 31) {
-				memcpy(st->codec_name, &codec_name[1], codec_name[0]);
-				st->codec_name[codec_name[0]] = 0;
-			}
-
-			st->bits_per_sample = _fd->readUint16BE(); // depth
-			st->color_table_id = _fd->readUint16BE(); // colortable id
-
-//		  These are set in mov_read_stts and might already be set!
-//			st->codec->time_base.den	  = 25;
-//			st->codec->time_base.num = 1;
-
-
-			// figure out the palette situation
-			byte colorDepth = st->bits_per_sample & 0x1F;
-			bool colorGreyscale = (st->bits_per_sample & 0x20) != 0;
-
-			debug(0, "color depth: %d", colorDepth);
-
-			// if the depth is 2, 4, or 8 bpp, file is palettized
-			if (colorDepth == 2 || colorDepth == 4 || colorDepth == 8) {
-				_dirtyPalette = true;
-
-				if (colorGreyscale) {
-					debug(0, "Greyscale palette");
-
-					// compute the greyscale palette
-					uint16 colorCount = 1 << colorDepth;
-					int16 colorIndex = 255;
-					byte colorDec = 256 / (colorCount - 1);
-					for (byte j = 0; j < colorCount; j++) {
-						_palette[j * 3] = _palette[j * 3 + 1] = _palette[j * 3 + 2] = colorIndex;
-						colorIndex -= colorDec;
-						if (colorIndex < 0)
-							colorIndex = 0;
-					}
-				} else if (st->color_table_id & 0x08) {
-					// if flag bit 3 is set, use the default palette
-					//uint16 colorCount = 1 << colorDepth;
-
-					warning("Predefined palette! %dbpp", colorDepth);
-#if 0
-					byte *color_table;
-					byte  r, g, b;
-
-					if (colorDepth == 2)
-						color_table = ff_qt_default_palette_4;
-					else if (colorDepth == 4)
-						color_table = ff_qt_default_palette_16;
-					else
-						color_table = ff_qt_default_palette_256;
-
-					for (byte j = 0; j < color_count; j++) {
-						r = color_table[j * 4 + 0];
-						g = color_table[j * 4 + 1];
-						b = color_table[j * 4 + 2];
-						_palette_control.palette[j] = (r << 16) | (g << 8) | (b);
-					}
-#endif
-
-				} else {
-					debug(0, "Palette from file");
-
-					// load the palette from the file
-					uint32 colorStart = _fd->readUint32BE();
-					/* uint16 colorCount = */ _fd->readUint16BE();
-					uint16 colorEnd = _fd->readUint16BE();
-					for (uint32 j = colorStart; j <= colorEnd; j++) {
-						// each R, G, or B component is 16 bits;
-						// only use the top 8 bits; skip alpha bytes
-						// up front
-						_fd->readByte();
-						_fd->readByte();
-						_palette[j * 3] = _fd->readByte();
-						_fd->readByte();
-						_palette[j * 3 + 1] = _fd->readByte();
-						_fd->readByte();
-						_palette[j * 3 + 2] = _fd->readByte();
-						_fd->readByte();
-					}
-				}
-				st->palettized = true;
-			} else
-				st->palettized = false;
-		} else if (st->codec_type == CODEC_TYPE_AUDIO) {
-			debug(0, "Audio Codec FourCC: \'%s\'", tag2str(format));
-
-			st->stsd_version = _fd->readUint16BE();
-			_fd->readUint16BE(); // revision level
-			_fd->readUint32BE(); // vendor
-
-			st->channels = _fd->readUint16BE();			 // channel count
-			st->bits_per_sample = _fd->readUint16BE();	  // sample size
-			// do we need to force to 16 for AMR ?
-
-			// handle specific s8 codec
-			_fd->readUint16BE(); // compression id = 0
-			_fd->readUint16BE(); // packet size = 0
-
-			st->sample_rate = (_fd->readUint32BE() >> 16);
-
-			debug(0, "stsd version =%d", st->stsd_version);
-			if (st->stsd_version == 0) {
-				// Not used, except in special cases. See below.
-				st->samples_per_frame = st->bytes_per_frame = 0;
-			} else if (st->stsd_version == 1) {
-				// Read QT version 1 fields. In version 0 these dont exist.
-				st->samples_per_frame = _fd->readUint32BE();
-				debug(0, "stsd samples_per_frame =%d", st->samples_per_frame);
-				_fd->readUint32BE(); // bytes per packet
-				st->bytes_per_frame = _fd->readUint32BE();
-				debug(0, "stsd bytes_per_frame =%d", st->bytes_per_frame);
-				_fd->readUint32BE(); // bytes per sample
-			} else {
-				warning("Unsupported QuickTime STSD audio version %d", st->stsd_version);
-				return 1;
-			}
-
-			// Version 0 videos (such as the Riven ones) don't have this set,
-			// but we need it later on. Add it in here.
-			if (format == MKID_BE('ima4')) {
-				st->samples_per_frame = 64;
-				st->bytes_per_frame = 34 * st->channels;
-			}
-		} else {
-			// other codec type, just skip (rtp, mp4s, tmcd ...)
-			_fd->seek(size - (_fd->pos() - start_pos), SEEK_CUR);
-		}
-
-		// this will read extra atoms at the end (wave, alac, damr, avcC, SMI ...)
-		a.size = size - (_fd->pos() - start_pos);
-		if (a.size > 8)
-			readDefault(a);
-		else if (a.size > 0)
-			_fd->seek(a.size, SEEK_CUR);
-	}
-
-	if (st->codec_type == CODEC_TYPE_AUDIO && st->sample_rate == 0 && st->time_scale > 1)
-		st->sample_rate= st->time_scale;
-
-	return 0;
-}
-
-int QTPlayer::readSTSC(MOVatom atom) {
-	MOVStreamContext *st = _streams[_numStreams - 1];
-
-	_fd->readByte(); // version
-	_fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
-
-	st->sample_to_chunk_sz = _fd->readUint32BE();
-
-	debug(0, "track[%i].stsc.entries = %i", _numStreams - 1, st->sample_to_chunk_sz);
-
-	st->sample_to_chunk = new MOVstsc[st->sample_to_chunk_sz];
-
-	if (!st->sample_to_chunk)
-		return -1;
-
-	for (uint32 i = 0; i < st->sample_to_chunk_sz; i++) {
-		st->sample_to_chunk[i].first = _fd->readUint32BE();
-		st->sample_to_chunk[i].count = _fd->readUint32BE();
-		st->sample_to_chunk[i].id = _fd->readUint32BE();
-		//printf ("Sample to Chunk[%d]: First = %d, Count = %d\n", i, st->sample_to_chunk[i].first, st->sample_to_chunk[i].count);
-	}
-
-	return 0;
-}
-
-int QTPlayer::readSTSS(MOVatom atom) {
-	MOVStreamContext *st = _streams[_numStreams - 1];
-
-	_fd->readByte(); // version
-	_fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
-
-	st->keyframe_count = _fd->readUint32BE();
-
-	debug(0, "keyframe_count = %d", st->keyframe_count);
-
-	st->keyframes = new uint32[st->keyframe_count];
-
-	if (!st->keyframes)
-		return -1;
-
-	for (uint32 i = 0; i < st->keyframe_count; i++) {
-		st->keyframes[i] = _fd->readUint32BE();
-		debug(6, "keyframes[%d] = %d", i, st->keyframes[i]);
-
-	}
-	return 0;
-}
-
-int QTPlayer::readSTSZ(MOVatom atom) {
-	MOVStreamContext *st = _streams[_numStreams - 1];
-
-	_fd->readByte(); // version
-	_fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
-
-	st->sample_size = _fd->readUint32BE();
-	st->sample_count = _fd->readUint32BE();
-
-	debug(5, "sample_size = %d sample_count = %d", st->sample_size, st->sample_count);
-
-	if (st->sample_size)
-		return 0; // there isn't any table following
-
-	st->sample_sizes = new uint32[st->sample_count];
-
-	if (!st->sample_sizes)
-		return -1;
-
-	for(uint32 i = 0; i < st->sample_count; i++) {
-		st->sample_sizes[i] = _fd->readUint32BE();
-		debug(6, "sample_sizes[%d] = %d", i, st->sample_sizes[i]);
-	}
-
-	return 0;
-}
-
-static uint32 ff_gcd(uint32 a, uint32 b) {
-	if(b) return ff_gcd(b, a%b);
-	else  return a;
-}
-
-int QTPlayer::readSTTS(MOVatom atom) {
-	MOVStreamContext *st = _streams[_numStreams - 1];
-	uint32 duration = 0;
-	uint32 total_sample_count = 0;
-
-	_fd->readByte(); // version
-	_fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
-
-	st->stts_count = _fd->readUint32BE();
-	st->stts_data = new MOVstts[st->stts_count];
-
-	debug(0, "track[%i].stts.entries = %i", _numStreams - 1, st->stts_count);
-
-	st->time_rate = 0;
-
-	for (int32 i = 0; i < st->stts_count; i++) {
-		int sample_duration;
-		int sample_count;
-
-		sample_count = _fd->readUint32BE();
-		sample_duration = _fd->readUint32BE();
-		st->stts_data[i].count = sample_count;
-		st->stts_data[i].duration = sample_duration;
-
-		st->time_rate = ff_gcd(st->time_rate, sample_duration);
-
-		debug(0, "sample_count=%d, sample_duration=%d", sample_count, sample_duration);
-
-		duration += sample_duration * sample_count;
-		total_sample_count += sample_count;
-	}
-
-	st->nb_frames = total_sample_count;
-
-	if (duration)
-		st->duration = duration;
-
-	return 0;
-}
-
-int QTPlayer::readSTCO(MOVatom atom) {
-	MOVStreamContext *st = _streams[_numStreams - 1];
-
-	_fd->readByte(); // version
-	_fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
-
-	st->chunk_count = _fd->readUint32BE();
-	st->chunk_offsets = new uint32[st->chunk_count];
-
-	if (!st->chunk_offsets)
-		return -1;
-
-	for (uint32 i = 0; i < st->chunk_count; i++) {
-		// WORKAROUND/HACK: The offsets in Riven videos (ones inside the Mohawk archives themselves)
-		// have offsets relative to the archive and not the video. This is quite nasty. We subtract
-		// the initial offset of the stream to get the correct value inside of the stream.
-		st->chunk_offsets[i] = _fd->readUint32BE() - _beginOffset;
-	}
-
-	for (uint32 i = 0; i < _numStreams; i++) {
-		MOVStreamContext *sc2 = _streams[i];
-
-		if(sc2 && sc2->chunk_offsets){
-			uint32 first = sc2->chunk_offsets[0];
-			uint32 last = sc2->chunk_offsets[sc2->chunk_count - 1];
-
-			if(first >= st->chunk_offsets[st->chunk_count - 1] || last <= st->chunk_offsets[0])
-				_ni = 1;
-		}
-	}
-
-	return 0;
-}
-
-int QTPlayer::readWAVE(MOVatom atom) {
-	if (_numStreams < 1)
-		return 0;
-
-	MOVStreamContext *st = _streams[_numStreams - 1];
-
-	if (atom.size > (1 << 30))
-		return -1;
-
-	if (st->codec_tag == MKID_BE('QDM2')) // Read extradata for QDM2
-		st->extradata = _fd->readStream(atom.size - 8);
-	else if (atom.size > 8)
-		return readDefault(atom);
-	else
-		_fd->skip(atom.size);
-
-	return 0;
-}
-
-void QTPlayer::close() {
-	stopAudio();
-
-	delete _videoCodec; _videoCodec = 0;
-
-	for (uint32 i = 0; i < _numStreams; i++)
-		delete _streams[i];
-
-	delete _fd;
-
-	if (_scaledSurface) {
-		_scaledSurface->free();
-		delete _scaledSurface;
-		_scaledSurface = 0;
-	}
-
-	// The audio stream is deleted automatically
-	_audStream = NULL;
-
-	Graphics::VideoDecoder::reset();
-}
-
-Common::SeekableReadStream *QTPlayer::getNextFramePacket() {
-	if (_videoStreamIndex < 0)
-		return NULL;
-
-	// First, we have to track down which chunk holds the sample and which sample in the chunk contains the frame we are looking for.
-	int32 totalSampleCount = 0;
-	int32 sampleInChunk = 0;
-	int32 actualChunk = -1;
-
-	for (uint32 i = 0; i < _streams[_videoStreamIndex]->chunk_count; i++) {
-		int32 sampleToChunkIndex = -1;
-
-		for (uint32 j = 0; j < _streams[_videoStreamIndex]->sample_to_chunk_sz; j++)
-			if (i >= _streams[_videoStreamIndex]->sample_to_chunk[j].first - 1)
-				sampleToChunkIndex = j;
-
-		if (sampleToChunkIndex < 0)
-			error("This chunk (%d) is imaginary", sampleToChunkIndex);
-
-		totalSampleCount += _streams[_videoStreamIndex]->sample_to_chunk[sampleToChunkIndex].count;
-
-		if (totalSampleCount > getCurFrame()) {
-			actualChunk = i;
-			sampleInChunk = _streams[_videoStreamIndex]->sample_to_chunk[sampleToChunkIndex].count - totalSampleCount + getCurFrame();
-			break;
-		}
-	}
-
-	if (actualChunk < 0) {
-		warning ("Could not find data for frame %d", getCurFrame());
-		return NULL;
-	}
-
-	// Next seek to that frame
-	_fd->seek(_streams[_videoStreamIndex]->chunk_offsets[actualChunk]);
-
-	// Then, if the chunk holds more than one frame, seek to where the frame we want is located
-	for (int32 i = getCurFrame() - sampleInChunk; i < getCurFrame(); i++) {
-		if (_streams[_videoStreamIndex]->sample_size != 0)
-			_fd->skip(_streams[_videoStreamIndex]->sample_size);
-		else
-			_fd->skip(_streams[_videoStreamIndex]->sample_sizes[i]);
-	}
-
-	// Finally, read in the raw data for the frame
-	//printf ("Frame Data[%d]: Offset = %d, Size = %d\n", getCurFrame(), _fd->pos(), _streams[_videoStreamIndex]->sample_sizes[getCurFrame()]);
-
-	if (_streams[_videoStreamIndex]->sample_size != 0)
-		return _fd->readStream(_streams[_videoStreamIndex]->sample_size);
-
-	return _fd->readStream(_streams[_videoStreamIndex]->sample_sizes[getCurFrame()]);
-}
-
-bool QTPlayer::checkAudioCodecSupport(uint32 tag) {
-	// Check if the codec is a supported codec
-	if (tag == MKID_BE('twos') || tag == MKID_BE('raw ') || tag == MKID_BE('ima4') || tag == MKID_BE('QDM2'))
-		return true;
-
-	warning("Audio Codec Not Supported: \'%s\'", tag2str(tag));
-
-	return false;
-}
-
-Audio::AudioStream *QTPlayer::createAudioStream(Common::SeekableReadStream *stream) {
-	if (!stream || _audioStreamIndex < 0)
-		return NULL;
-
-	if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('twos') || _streams[_audioStreamIndex]->codec_tag == MKID_BE('raw ')) {
-		// Fortunately, most of the audio used in Myst videos is raw...
-		uint16 flags = 0;
-		if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('raw '))
-			flags |= Audio::FLAG_UNSIGNED;
-		if (_streams[_audioStreamIndex]->channels == 2)
-			flags |= Audio::FLAG_STEREO;
-		if (_streams[_audioStreamIndex]->bits_per_sample == 16)
-			flags |= Audio::FLAG_16BITS;
-		uint32 dataSize = stream->size();
-		byte *data = (byte *)malloc(dataSize);
-		stream->read(data, dataSize);
-		delete stream;
-		return Audio::makeRawStream(data, dataSize, _streams[_audioStreamIndex]->sample_rate, flags);
-	} else if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('ima4')) {
-		// Riven uses this codec (as do some Myst ME videos)
-		return Audio::makeADPCMStream(stream, DisposeAfterUse::YES, stream->size(), Audio::kADPCMApple, _streams[_audioStreamIndex]->sample_rate, _streams[_audioStreamIndex]->channels, 34);
-	} else if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('QDM2')) {
-		// Several Myst ME videos use this codec
-		return new QDM2Stream(stream, _streams[_audioStreamIndex]->extradata);
-	}
-
-	error("Unsupported audio codec");
-
-	return NULL;
-}
-
-void QTPlayer::updateAudioBuffer() {
-	if (!_audStream)
-		return;
-
-	// Keep two streams in buffer so that when the first ends, it goes right into the next
-	for (; _audStream->numQueuedStreams() < 2 && _curAudioChunk < _streams[_audioStreamIndex]->chunk_count; _curAudioChunk++) {
-		Common::MemoryWriteStreamDynamic *wStream = new Common::MemoryWriteStreamDynamic();
-
-		_fd->seek(_streams[_audioStreamIndex]->chunk_offsets[_curAudioChunk]);
-
-		// First, we have to get the sample count
-		uint32 sampleCount = 0;
-		for (uint32 j = 0; j < _streams[_audioStreamIndex]->sample_to_chunk_sz; j++)
-			if (_curAudioChunk >= (_streams[_audioStreamIndex]->sample_to_chunk[j].first - 1))
-				sampleCount = _streams[_audioStreamIndex]->sample_to_chunk[j].count;
-		assert(sampleCount);
-
-		// Then calculate the right sizes
-		while (sampleCount > 0) {
-			uint32 samples = 0, size = 0;
-
-			if (_streams[_audioStreamIndex]->samples_per_frame >= 160) {
-				samples = _streams[_audioStreamIndex]->samples_per_frame;
-				size = _streams[_audioStreamIndex]->bytes_per_frame;
-			} else if (_streams[_audioStreamIndex]->samples_per_frame > 1) {
-				samples = MIN<uint32>((1024 / _streams[_audioStreamIndex]->samples_per_frame) * _streams[_audioStreamIndex]->samples_per_frame, sampleCount);
-				size = (samples / _streams[_audioStreamIndex]->samples_per_frame) * _streams[_audioStreamIndex]->bytes_per_frame;
-			} else {
-				samples = MIN<uint32>(1024, sampleCount);
-				size = samples * _streams[_audioStreamIndex]->sample_size;
-			}
-
-			// Now, we read in the data for this data and output it
-			byte *data = (byte *)malloc(size);
-			_fd->read(data, size);
-			wStream->write(data, size);
-			free(data);
-			sampleCount -= samples;
-		}
-
-		// Now queue the buffer
-		_audStream->queueAudioStream(createAudioStream(new Common::MemoryReadStream(wStream->getData(), wStream->size(), DisposeAfterUse::YES)));
-		delete wStream;
-	}
-}
-
-} // End of namespace Mohawk