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diff --git a/common/quicktime.cpp b/common/quicktime.cpp
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+/* 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 "common/debug.h"
+#include "common/endian.h"
+#include "common/macresman.h"
+#include "common/memstream.h"
+#include "common/quicktime.h"
+#include "common/textconsole.h"
+#include "common/util.h"
+#include "common/zlib.h"
+
+namespace Common {
+
+////////////////////////////////////////////
+// QuickTimeParser
+////////////////////////////////////////////
+
+QuickTimeParser::QuickTimeParser() {
+ _beginOffset = 0;
+ _fd = 0;
+ _scaleFactorX = 1;
+ _scaleFactorY = 1;
+ _resFork = new Common::MacResManager();
+ _disposeFileHandle = DisposeAfterUse::YES;
+
+ initParseTable();
+}
+
+QuickTimeParser::~QuickTimeParser() {
+ close();
+ delete _resFork;
+}
+
+bool QuickTimeParser::parseFile(const Common::String &filename) {
+ if (!_resFork->open(filename) || !_resFork->hasDataFork())
+ return false;
+
+ _foundMOOV = false;
+ _disposeFileHandle = DisposeAfterUse::YES;
+
+ Atom atom = { 0, 0, 0xffffffff };
+
+ if (_resFork->hasResFork()) {
+ // Search for a 'moov' resource
+ Common::MacResIDArray idArray = _resFork->getResIDArray(MKTAG('m', 'o', 'o', 'v'));
+
+ if (!idArray.empty())
+ _fd = _resFork->getResource(MKTAG('m', 'o', 'o', 'v'), idArray[0]);
+
+ if (_fd) {
+ atom.size = _fd->size();
+ if (readDefault(atom) < 0 || !_foundMOOV)
+ return false;
+ }
+ delete _fd;
+
+ atom.type = 0;
+ atom.offset = 0;
+ atom.size = 0xffffffff;
+ }
+
+ _fd = _resFork->getDataFork();
+
+ if (readDefault(atom) < 0 || !_foundMOOV)
+ return false;
+
+ init();
+ return true;
+}
+
+bool QuickTimeParser::parseStream(Common::SeekableReadStream *stream, DisposeAfterUse::Flag disposeFileHandle) {
+ _fd = stream;
+ _foundMOOV = false;
+ _disposeFileHandle = disposeFileHandle;
+
+ Atom atom = { 0, 0, 0xffffffff };
+
+ if (readDefault(atom) < 0 || !_foundMOOV) {
+ close();
+ return false;
+ }
+
+ init();
+ return true;
+}
+
+void QuickTimeParser::init() {
+ // Remove unknown/unhandled tracks
+ for (uint32 i = 0; i < _tracks.size(); i++) {
+ if (_tracks[i]->codecType == CODEC_TYPE_MOV_OTHER) {
+ delete _tracks[i];
+ _tracks.remove_at(i);
+ i--;
+ }
+ }
+
+ // Adjust time scale
+ for (uint32 i = 0; i < _tracks.size(); i++)
+ if (!_tracks[i]->timeScale)
+ _tracks[i]->timeScale = _timeScale;
+}
+
+void QuickTimeParser::initParseTable() {
+ static const ParseTable p[] = {
+ { &QuickTimeParser::readDefault, MKTAG('d', 'i', 'n', 'f') },
+ { &QuickTimeParser::readLeaf, MKTAG('d', 'r', 'e', 'f') },
+ { &QuickTimeParser::readDefault, MKTAG('e', 'd', 't', 's') },
+ { &QuickTimeParser::readELST, MKTAG('e', 'l', 's', 't') },
+ { &QuickTimeParser::readHDLR, MKTAG('h', 'd', 'l', 'r') },
+ { &QuickTimeParser::readDefault, MKTAG('m', 'd', 'a', 't') },
+ { &QuickTimeParser::readMDHD, MKTAG('m', 'd', 'h', 'd') },
+ { &QuickTimeParser::readDefault, MKTAG('m', 'd', 'i', 'a') },
+ { &QuickTimeParser::readDefault, MKTAG('m', 'i', 'n', 'f') },
+ { &QuickTimeParser::readMOOV, MKTAG('m', 'o', 'o', 'v') },
+ { &QuickTimeParser::readMVHD, MKTAG('m', 'v', 'h', 'd') },
+ { &QuickTimeParser::readLeaf, MKTAG('s', 'm', 'h', 'd') },
+ { &QuickTimeParser::readDefault, MKTAG('s', 't', 'b', 'l') },
+ { &QuickTimeParser::readSTCO, MKTAG('s', 't', 'c', 'o') },
+ { &QuickTimeParser::readSTSC, MKTAG('s', 't', 's', 'c') },
+ { &QuickTimeParser::readSTSD, MKTAG('s', 't', 's', 'd') },
+ { &QuickTimeParser::readSTSS, MKTAG('s', 't', 's', 's') },
+ { &QuickTimeParser::readSTSZ, MKTAG('s', 't', 's', 'z') },
+ { &QuickTimeParser::readSTTS, MKTAG('s', 't', 't', 's') },
+ { &QuickTimeParser::readTKHD, MKTAG('t', 'k', 'h', 'd') },
+ { &QuickTimeParser::readTRAK, MKTAG('t', 'r', 'a', 'k') },
+ { &QuickTimeParser::readLeaf, MKTAG('u', 'd', 't', 'a') },
+ { &QuickTimeParser::readLeaf, MKTAG('v', 'm', 'h', 'd') },
+ { &QuickTimeParser::readCMOV, MKTAG('c', 'm', 'o', 'v') },
+ { &QuickTimeParser::readWAVE, MKTAG('w', 'a', 'v', 'e') },
+ { &QuickTimeParser::readESDS, MKTAG('e', 's', 'd', 's') },
+ { 0, 0 }
+ };
+
+ _parseTable = p;
+}
+
+int QuickTimeParser::readDefault(Atom atom) {
+ uint32 total_size = 0;
+ Atom a;
+ int err = 0;
+
+ a.offset = atom.offset;
+
+ while(((total_size + 8) < atom.size) && !_fd->eos() && _fd->pos() < _fd->size() && !err) {
+ a.size = atom.size;
+ a.type = 0;
+
+ if (atom.size >= 8) {
+ a.size = _fd->readUint32BE();
+ a.type = _fd->readUint32BE();
+
+ // Some QuickTime videos with resource forks have mdat chunks
+ // that are of size 0. Adjust it so it's the correct size.
+ if (a.type == MKTAG('m', 'd', 'a', 't') && a.size == 0)
+ a.size = _fd->size();
+ }
+
+ 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 QuickTimeParser::readLeaf(Atom atom) {
+ if (atom.size > 1)
+ _fd->seek(atom.size, SEEK_SET);
+
+ return 0;
+}
+
+int QuickTimeParser::readMOOV(Atom atom) {
+ if (readDefault(atom) < 0)
+ return -1;
+
+ // We parsed the 'moov' atom, so we don't need anything else
+ _foundMOOV = true;
+ return 1;
+}
+
+int QuickTimeParser::readCMOV(Atom atom) {
+#ifdef USE_ZLIB
+ // Read in the dcom atom
+ _fd->readUint32BE();
+ if (_fd->readUint32BE() != MKTAG('d', 'c', 'o', 'm'))
+ return -1;
+ if (_fd->readUint32BE() != MKTAG('z', 'l', 'i', 'b')) {
+ warning("Unknown cmov compression type");
+ return -1;
+ }
+
+ // Read in the cmvd atom
+ uint32 compressedSize = _fd->readUint32BE() - 12;
+ if (_fd->readUint32BE() != MKTAG('c', 'm', 'v', 'd'))
+ 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");
+ free(compressedData);
+ free(uncompressedData);
+ 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
+ Atom a = { MKTAG('m', 'o', 'o', 'v'), 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 QuickTimeParser::readMVHD(Atom 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);
+
+ _scaleFactorX = Common::Rational(0x10000, xMod);
+ _scaleFactorY = Common::Rational(0x10000, yMod);
+
+ _scaleFactorX.debugPrint(1, "readMVHD(): scaleFactorX =");
+ _scaleFactorY.debugPrint(1, "readMVHD(): scaleFactorY =");
+
+ _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 QuickTimeParser::readTRAK(Atom atom) {
+ Track *track = new Track();
+
+ if (!track)
+ return -1;
+
+ track->codecType = CODEC_TYPE_MOV_OTHER;
+ track->startTime = 0; // XXX: check
+ _tracks.push_back(track);
+
+ return readDefault(atom);
+}
+
+int QuickTimeParser::readTKHD(Atom atom) {
+ Track *track = _tracks.back();
+ 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
+ }
+
+ /* track->id = */_fd->readUint32BE(); // track id (NOT 0 !)
+ _fd->readUint32BE(); // reserved
+ //track->startTime = 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);
+
+ track->scaleFactorX = Common::Rational(0x10000, xMod);
+ track->scaleFactorY = Common::Rational(0x10000, yMod);
+
+ track->scaleFactorX.debugPrint(1, "readTKHD(): scaleFactorX =");
+ track->scaleFactorY.debugPrint(1, "readTKHD(): scaleFactorY =");
+
+ // 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 QuickTimeParser::readELST(Atom atom) {
+ Track *track = _tracks.back();
+
+ _fd->readByte(); // version
+ _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
+
+ track->editCount = _fd->readUint32BE();
+ track->editList = new EditListEntry[track->editCount];
+
+ debug(2, "Track %d edit list count: %d", _tracks.size() - 1, track->editCount);
+
+ for (uint32 i = 0; i < track->editCount; i++){
+ track->editList[i].trackDuration = _fd->readUint32BE();
+ track->editList[i].mediaTime = _fd->readSint32BE();
+ track->editList[i].mediaRate = Common::Rational(_fd->readUint32BE(), 0x10000);
+ debugN(3, "\tDuration = %d, Media Time = %d, ", track->editList[i].trackDuration, track->editList[i].mediaTime);
+ track->editList[i].mediaRate.debugPrint(3, "Media Rate =");
+ }
+
+ if (track->editCount != 1)
+ warning("Multiple edit list entries. Things may go awry");
+
+ return 0;
+}
+
+int QuickTimeParser::readHDLR(Atom atom) {
+ Track *track = _tracks.back();
+
+ _fd->readByte(); // version
+ _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
+
+ // component type
+ uint32 ctype = _fd->readUint32BE();
+ uint32 type = _fd->readUint32BE(); // component subtype
+
+ debug(0, "ctype= %s (0x%08lx)", tag2str(ctype), (long)ctype);
+ debug(0, "stype= %s", tag2str(type));
+
+ if (ctype == MKTAG('m', 'h', 'l', 'r')) // MOV
+ debug(0, "MOV detected");
+ else if (ctype == 0)
+ debug(0, "MPEG-4 detected");
+
+ if (type == MKTAG('v', 'i', 'd', 'e'))
+ track->codecType = CODEC_TYPE_VIDEO;
+ else if (type == MKTAG('s', 'o', 'u', 'n'))
+ track->codecType = 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 QuickTimeParser::readMDHD(Atom atom) {
+ Track *track = _tracks.back();
+ 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
+ }
+
+ track->timeScale = _fd->readUint32BE();
+ track->duration = (version == 1) ? (_fd->readUint32BE(), _fd->readUint32BE()) : _fd->readUint32BE(); // duration
+
+ _fd->readUint16BE(); // language
+ _fd->readUint16BE(); // quality
+
+ return 0;
+}
+
+int QuickTimeParser::readSTSD(Atom atom) {
+ Track *track = _tracks.back();
+
+ _fd->readByte(); // version
+ _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
+
+ uint32 entryCount = _fd->readUint32BE();
+ track->sampleDescs.resize(entryCount);
+
+ for (uint32 i = 0; i < entryCount; i++) { // Parsing Sample description table
+ Atom 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
+
+ track->sampleDescs[i] = readSampleDesc(track, format);
+
+ debug(0, "size=%d 4CC= %s codec_type=%d", size, tag2str(format), track->codecType);
+
+ if (!track->sampleDescs[i]) {
+ // 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);
+ }
+
+ return 0;
+}
+
+int QuickTimeParser::readSTSC(Atom atom) {
+ Track *track = _tracks.back();
+
+ _fd->readByte(); // version
+ _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
+
+ track->sampleToChunkCount = _fd->readUint32BE();
+
+ debug(0, "track[%i].stsc.entries = %i", _tracks.size() - 1, track->sampleToChunkCount);
+
+ track->sampleToChunk = new SampleToChunkEntry[track->sampleToChunkCount];
+
+ if (!track->sampleToChunk)
+ return -1;
+
+ for (uint32 i = 0; i < track->sampleToChunkCount; i++) {
+ track->sampleToChunk[i].first = _fd->readUint32BE() - 1;
+ track->sampleToChunk[i].count = _fd->readUint32BE();
+ track->sampleToChunk[i].id = _fd->readUint32BE();
+ //warning("Sample to Chunk[%d]: First = %d, Count = %d", i, track->sampleToChunk[i].first, track->sampleToChunk[i].count);
+ }
+
+ return 0;
+}
+
+int QuickTimeParser::readSTSS(Atom atom) {
+ Track *track = _tracks.back();
+
+ _fd->readByte(); // version
+ _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
+
+ track->keyframeCount = _fd->readUint32BE();
+
+ debug(0, "keyframeCount = %d", track->keyframeCount);
+
+ track->keyframes = new uint32[track->keyframeCount];
+
+ if (!track->keyframes)
+ return -1;
+
+ for (uint32 i = 0; i < track->keyframeCount; i++) {
+ track->keyframes[i] = _fd->readUint32BE() - 1; // Adjust here, the frames are based on 1
+ debug(6, "keyframes[%d] = %d", i, track->keyframes[i]);
+
+ }
+ return 0;
+}
+
+int QuickTimeParser::readSTSZ(Atom atom) {
+ Track *track = _tracks.back();
+
+ _fd->readByte(); // version
+ _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
+
+ track->sampleSize = _fd->readUint32BE();
+ track->sampleCount = _fd->readUint32BE();
+
+ debug(5, "sampleSize = %d sampleCount = %d", track->sampleSize, track->sampleCount);
+
+ if (track->sampleSize)
+ return 0; // there isn't any table following
+
+ track->sampleSizes = new uint32[track->sampleCount];
+
+ if (!track->sampleSizes)
+ return -1;
+
+ for(uint32 i = 0; i < track->sampleCount; i++) {
+ track->sampleSizes[i] = _fd->readUint32BE();
+ debug(6, "sampleSizes[%d] = %d", i, track->sampleSizes[i]);
+ }
+
+ return 0;
+}
+
+int QuickTimeParser::readSTTS(Atom atom) {
+ Track *track = _tracks.back();
+ uint32 totalSampleCount = 0;
+
+ _fd->readByte(); // version
+ _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
+
+ track->timeToSampleCount = _fd->readUint32BE();
+ track->timeToSample = new TimeToSampleEntry[track->timeToSampleCount];
+
+ debug(0, "track[%d].stts.entries = %d", _tracks.size() - 1, track->timeToSampleCount);
+
+ for (int32 i = 0; i < track->timeToSampleCount; i++) {
+ track->timeToSample[i].count = _fd->readUint32BE();
+ track->timeToSample[i].duration = _fd->readUint32BE();
+
+ debug(1, "\tCount = %d, Duration = %d", track->timeToSample[i].count, track->timeToSample[i].duration);
+
+ totalSampleCount += track->timeToSample[i].count;
+ }
+
+ track->frameCount = totalSampleCount;
+ return 0;
+}
+
+int QuickTimeParser::readSTCO(Atom atom) {
+ Track *track = _tracks.back();
+
+ _fd->readByte(); // version
+ _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags
+
+ track->chunkCount = _fd->readUint32BE();
+ track->chunkOffsets = new uint32[track->chunkCount];
+
+ if (!track->chunkOffsets)
+ return -1;
+
+ for (uint32 i = 0; i < track->chunkCount; 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.
+ track->chunkOffsets[i] = _fd->readUint32BE() - _beginOffset;
+ }
+
+ return 0;
+}
+
+int QuickTimeParser::readWAVE(Atom atom) {
+ if (_tracks.empty())
+ return 0;
+
+ Track *track = _tracks.back();
+
+ if (atom.size > (1 << 30))
+ return -1;
+
+ if (track->sampleDescs[0]->getCodecTag() == MKTAG('Q', 'D', 'M', '2')) // Read extra data for QDM2
+ track->extraData = _fd->readStream(atom.size - 8);
+ else if (atom.size > 8)
+ return readDefault(atom);
+ else
+ _fd->skip(atom.size);
+
+ return 0;
+}
+
+enum {
+ kMP4IODescTag = 2,
+ kMP4ESDescTag = 3,
+ kMP4DecConfigDescTag = 4,
+ kMP4DecSpecificDescTag = 5
+};
+
+static int readMP4DescLength(Common::SeekableReadStream *stream) {
+ int length = 0;
+ int count = 4;
+
+ while (count--) {
+ byte c = stream->readByte();
+ length = (length << 7) | (c & 0x7f);
+
+ if (!(c & 0x80))
+ break;
+ }
+
+ return length;
+}
+
+static void readMP4Desc(Common::SeekableReadStream *stream, byte &tag, int &length) {
+ tag = stream->readByte();
+ length = readMP4DescLength(stream);
+}
+
+int QuickTimeParser::readESDS(Atom atom) {
+ if (_tracks.empty())
+ return 0;
+
+ Track *track = _tracks.back();
+
+ _fd->readUint32BE(); // version + flags
+
+ byte tag;
+ int length;
+
+ readMP4Desc(_fd, tag, length);
+ _fd->readUint16BE(); // id
+ if (tag == kMP4ESDescTag)
+ _fd->readByte(); // priority
+
+ // Check if we've got the Config MPEG-4 header
+ readMP4Desc(_fd, tag, length);
+ if (tag != kMP4DecConfigDescTag)
+ return 0;
+
+ track->objectTypeMP4 = _fd->readByte();
+ _fd->readByte(); // stream type
+ _fd->readUint16BE(); _fd->readByte(); // buffer size
+ _fd->readUint32BE(); // max bitrate
+ _fd->readUint32BE(); // avg bitrate
+
+ // Check if we've got the Specific MPEG-4 header
+ readMP4Desc(_fd, tag, length);
+ if (tag != kMP4DecSpecificDescTag)
+ return 0;
+
+ track->extraData = _fd->readStream(length);
+
+ debug(0, "MPEG-4 object type = %02x", track->objectTypeMP4);
+ return 0;
+}
+
+void QuickTimeParser::close() {
+ for (uint32 i = 0; i < _tracks.size(); i++)
+ delete _tracks[i];
+
+ _tracks.clear();
+
+ if (_disposeFileHandle == DisposeAfterUse::YES)
+ delete _fd;
+
+ _fd = 0;
+}
+
+QuickTimeParser::SampleDesc::SampleDesc(Track *parentTrack, uint32 codecTag) {
+ _parentTrack = parentTrack;
+ _codecTag = codecTag;
+}
+
+QuickTimeParser::Track::Track() {
+ chunkCount = 0;
+ chunkOffsets = 0;
+ timeToSampleCount = 0;
+ timeToSample = 0;
+ sampleToChunkCount = 0;
+ sampleToChunk = 0;
+ sampleSize = 0;
+ sampleCount = 0;
+ sampleSizes = 0;
+ keyframeCount = 0;
+ keyframes = 0;
+ timeScale = 0;
+ width = 0;
+ height = 0;
+ codecType = CODEC_TYPE_MOV_OTHER;
+ editCount = 0;
+ editList = 0;
+ extraData = 0;
+ frameCount = 0;
+ duration = 0;
+ startTime = 0;
+ objectTypeMP4 = 0;
+}
+
+QuickTimeParser::Track::~Track() {
+ delete[] chunkOffsets;
+ delete[] timeToSample;
+ delete[] sampleToChunk;
+ delete[] sampleSizes;
+ delete[] keyframes;
+ delete[] editList;
+ delete extraData;
+
+ for (uint32 i = 0; i < sampleDescs.size(); i++)
+ delete sampleDescs[i];
+}
+
+} // End of namespace Video
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-13 09:25:06 +0000