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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.
*
*/
//
// 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
//
#ifndef COMMON_QUICKTIME_H
#define COMMON_QUICKTIME_H
#include "common/array.h"
#include "common/scummsys.h"
#include "common/stream.h"
#include "common/rational.h"
namespace Common {
class MacResManager;
/**
* Parser for QuickTime/MPEG-4 files.
*
* File parser used in engines:
* - groovie
* - mohawk
* - sci
*/
class QuickTimeParser {
public:
QuickTimeParser();
virtual ~QuickTimeParser();
/**
* Load a QuickTime file
* @param filename the filename to load
*/
bool parseFile(const String &filename);
/**
* Load a QuickTime file from a SeekableReadStream
* @param stream the stream to load
* @param disposeFileHandle whether to delete the stream after use
*/
bool parseStream(SeekableReadStream *stream, DisposeAfterUse::Flag disposeFileHandle = DisposeAfterUse::YES);
/**
* Close a QuickTime file
*/
void close();
/**
* Set the beginning offset of the video so we can modify the offsets in the stco
* atom of videos inside the Mohawk archives
* @param the beginning offset of the video
*/
void setChunkBeginOffset(uint32 offset) { _beginOffset = offset; }
bool isOpen() const { return _fd != 0; }
protected:
// This is the file handle from which data is read from. It can be the actual file handle or a decompressed stream.
SeekableReadStream *_fd;
DisposeAfterUse::Flag _disposeFileHandle;
struct Atom {
uint32 type;
uint32 offset;
uint32 size;
};
struct ParseTable {
int (QuickTimeParser::*func)(Atom atom);
uint32 type;
};
struct TimeToSampleEntry {
int count;
int duration;
};
struct SampleToChunkEntry {
uint32 first;
uint32 count;
uint32 id;
};
struct EditListEntry {
uint32 trackDuration;
uint32 timeOffset;
int32 mediaTime;
Rational mediaRate;
};
struct Track;
class SampleDesc {
public:
SampleDesc(Track *parentTrack, uint32 codecTag);
virtual ~SampleDesc() {}
uint32 getCodecTag() const { return _codecTag; }
protected:
Track *_parentTrack;
uint32 _codecTag;
};
enum CodecType {
CODEC_TYPE_MOV_OTHER,
CODEC_TYPE_VIDEO,
CODEC_TYPE_AUDIO
};
struct Track {
Track();
~Track();
uint32 chunkCount;
uint32 *chunkOffsets;
int timeToSampleCount;
TimeToSampleEntry *timeToSample;
uint32 sampleToChunkCount;
SampleToChunkEntry *sampleToChunk;
uint32 sampleSize;
uint32 sampleCount;
uint32 *sampleSizes;
uint32 keyframeCount;
uint32 *keyframes;
int32 timeScale;
uint16 width;
uint16 height;
CodecType codecType;
Array<SampleDesc*> sampleDescs;
uint32 editCount;
EditListEntry *editList;
SeekableReadStream *extraData;
uint32 frameCount;
uint32 duration;
uint32 mediaDuration;
uint32 startTime;
Rational scaleFactorX;
Rational scaleFactorY;
byte objectTypeMP4;
};
virtual SampleDesc *readSampleDesc(Track *track, uint32 format) = 0;
const ParseTable *_parseTable;
bool _foundMOOV;
uint32 _timeScale;
uint32 _duration;
Rational _scaleFactorX;
Rational _scaleFactorY;
Array<Track*> _tracks;
uint32 _beginOffset;
MacResManager *_resFork;
void initParseTable();
void init();
int readDefault(Atom atom);
int readLeaf(Atom atom);
int readELST(Atom atom);
int readHDLR(Atom atom);
int readMDHD(Atom atom);
int readMOOV(Atom atom);
int readMVHD(Atom atom);
int readTKHD(Atom atom);
int readTRAK(Atom atom);
int readSTCO(Atom atom);
int readSTSC(Atom atom);
int readSTSD(Atom atom);
int readSTSS(Atom atom);
int readSTSZ(Atom atom);
int readSTTS(Atom atom);
int readCMOV(Atom atom);
int readWAVE(Atom atom);
int readESDS(Atom atom);
};
} // End of namespace Common
#endif
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