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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
//
#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 files.
*
* File parser used in engines:
* - mohawk
* - sci
*/
class QuickTimeParser {
public:
QuickTimeParser();
virtual ~QuickTimeParser();
/**
* Load a QuickTime file
* @param filename the filename to load
*/
bool loadFile(const Common::String &filename);
/**
* Load a QuickTime file from a SeekableReadStream
* @param stream the stream to load
*/
bool loadStream(Common::SeekableReadStream *stream);
/**
* 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.
Common::SeekableReadStream *_fd;
struct MOVatom {
uint32 type;
uint32 offset;
uint32 size;
};
struct ParseTable {
int (QuickTimeParser::*func)(MOVatom atom);
uint32 type;
};
struct MOVstts {
int count;
int duration;
};
struct MOVstsc {
uint32 first;
uint32 count;
uint32 id;
};
struct EditListEntry {
uint32 trackDuration;
int32 mediaTime;
Common::Rational mediaRate;
};
struct SampleDesc {
SampleDesc();
virtual ~SampleDesc() {}
uint32 codecTag;
uint16 bitsPerSample;
};
enum CodecType {
CODEC_TYPE_MOV_OTHER,
CODEC_TYPE_VIDEO,
CODEC_TYPE_AUDIO
};
struct MOVStreamContext {
MOVStreamContext();
~MOVStreamContext();
uint32 chunk_count;
uint32 *chunk_offsets;
int stts_count;
MOVstts *stts_data;
uint32 sample_to_chunk_sz;
MOVstsc *sample_to_chunk;
uint32 sample_size;
uint32 sample_count;
uint32 *sample_sizes;
uint32 keyframe_count;
uint32 *keyframes;
int32 time_scale;
int time_rate;
uint16 width;
uint16 height;
CodecType codec_type;
Common::Array<SampleDesc *> sampleDescs;
uint32 editCount;
EditListEntry *editList;
Common::SeekableReadStream *extradata;
uint32 nb_frames;
uint32 duration;
uint32 start_time;
Common::Rational scaleFactorX;
Common::Rational scaleFactorY;
};
virtual SampleDesc *readSampleDesc(MOVStreamContext *st, uint32 format) = 0;
const ParseTable *_parseTable;
bool _foundMOOV;
uint32 _timeScale;
uint32 _duration;
uint32 _numStreams;
Common::Rational _scaleFactorX;
Common::Rational _scaleFactorY;
MOVStreamContext *_streams[20];
uint32 _beginOffset;
Common::MacResManager *_resFork;
void initParseTable();
void init();
int readDefault(MOVatom atom);
int readLeaf(MOVatom atom);
int readELST(MOVatom atom);
int readHDLR(MOVatom atom);
int readMDHD(MOVatom atom);
int readMOOV(MOVatom atom);
int readMVHD(MOVatom atom);
int readTKHD(MOVatom atom);
int readTRAK(MOVatom atom);
int readSTCO(MOVatom atom);
int readSTSC(MOVatom atom);
int readSTSD(MOVatom atom);
int readSTSS(MOVatom atom);
int readSTSZ(MOVatom atom);
int readSTTS(MOVatom atom);
int readCMOV(MOVatom atom);
int readWAVE(MOVatom atom);
};
} // End of namespace Common
#endif
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