scummvm/common/quicktime.cpp
2011-12-15 12:59:42 -05:00

813 lines
21 KiB
C++

/* 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.
*
*/
//
// 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 MacResManager();
_disposeFileHandle = DisposeAfterUse::YES;
initParseTable();
}
QuickTimeParser::~QuickTimeParser() {
close();
delete _resFork;
}
bool QuickTimeParser::parseFile(const 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
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(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::readLeaf, 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 (!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
SeekableReadStream *oldStream = _fd;
_fd = new 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 = Rational(0x10000, xMod);
_scaleFactorY = 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->duration = (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 = Rational(0x10000, xMod);
track->scaleFactorY = Rational(0x10000, yMod);
track->scaleFactorX.debugPrint(1, "readTKHD(): scaleFactorX =");
track->scaleFactorY.debugPrint(1, "readTKHD(): scaleFactorY =");
// these are fixed-point, 16:16
//_fd->readUint32BE() >> 16; // track width
//_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);
uint32 offset = 0;
for (uint32 i = 0; i < track->editCount; i++){
track->editList[i].trackDuration = _fd->readUint32BE();
track->editList[i].mediaTime = _fd->readSint32BE();
track->editList[i].mediaRate = Rational(_fd->readUint32BE(), 0x10000);
track->editList[i].timeOffset = offset;
debugN(3, "\tDuration = %d (Offset = %d), Media Time = %d, ", track->editList[i].trackDuration, offset, track->editList[i].mediaTime);
track->editList[i].mediaRate.debugPrint(3, "Media Rate =");
offset += track->editList[i].trackDuration;
}
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->mediaDuration = (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(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(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;
mediaDuration = 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