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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 MOHAWK_QT_PLAYER_H
#define MOHAWK_QT_PLAYER_H
#include "common/scummsys.h"
#include "common/file.h"
#include "mohawk/video/video.h"
namespace Common {
class File;
}
namespace Mohawk {
class QTPlayer : public Video {
public:
QTPlayer();
virtual ~QTPlayer();
/**
* Returns the width of the video
* @return the width of the video
*/
uint16 getWidth();
/**
* Returns the height of the video
* @return the height of the video
*/
uint16 getHeight();
/**
* Returns the amount of frames in the video
* @return the amount of frames in the video
*/
uint32 getFrameCount();
/**
* Returns the bits per pixel of the video
* @return the bits per pixel of the video
*/
byte getBitsPerPixel();
/**
* Returns the codec tag of the video
* @return the codec tag of the video
*/
uint32 getCodecTag();
/**
* Load a QuickTime video file from a SeekableReadStream
* @param stream the stream to load
*/
bool loadFile(Common::SeekableReadStream* stream);
/**
* Get a packet of A/V data
*/
//VideoPacket getNextPacket();
/**
* Close a QuickTime encoded video file
*/
void closeFile();
ScaleMode getScaleMode();
byte *getPalette() { return _palette; }
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 {
uint32 type;
int (QTPlayer::*func)(MOVatom atom);
};
struct MOVstts {
int count;
int duration;
};
struct MOVstsc {
uint32 first;
uint32 count;
uint32 id;
};
enum CodecType {
CODEC_TYPE_MOV_OTHER,
CODEC_TYPE_VIDEO,
CODEC_TYPE_AUDIO
};
struct MOVStreamContext {
MOVStreamContext() { memset(this, 0, sizeof(MOVStreamContext)); }
~MOVStreamContext() {
delete[] chunk_offsets;
delete[] stts_data;
delete[] ctts_data;
delete[] sample_to_chunk;
delete[] sample_sizes;
delete[] keyframes;
delete extradata;
}
int ffindex; /* the ffmpeg stream id */
int is_ff_stream; /* Is this stream presented to ffmpeg ? i.e. is this an audio or video stream ? */
uint32 next_chunk;
uint32 chunk_count;
uint32 *chunk_offsets;
int stts_count;
MOVstts *stts_data;
int ctts_count;
MOVstts *ctts_data;
int edit_count; /* number of 'edit' (elst atom) */
uint32 sample_to_chunk_sz;
MOVstsc *sample_to_chunk;
int32 sample_to_chunk_index;
int sample_to_time_index;
uint32 sample_to_time_sample;
uint32 sample_to_time_time;
int sample_to_ctime_index;
int sample_to_ctime_sample;
uint32 sample_size;
uint32 sample_count;
uint32 *sample_sizes;
uint32 keyframe_count;
uint32 *keyframes;
int32 time_scale;
int time_rate;
uint32 current_sample;
uint32 left_in_chunk; /* how many samples before next chunk */
uint16 width;
uint16 height;
int codec_type;
uint32 codec_tag;
char codec_name[32];
uint16 bits_per_sample;
uint16 color_table_id;
bool palettized;
Common::SeekableReadStream *extradata;
uint16 stsd_version;
uint16 channels;
uint16 sample_rate;
uint32 samples_per_frame;
uint32 bytes_per_frame;
uint32 nb_frames;
uint32 duration;
uint32 start_time;
ScaleMode scaleMode;
};
const ParseTable *_parseTable;
bool _foundMOOV;
bool _foundMDAT;
uint32 _timeScale;
uint32 _duration;
uint32 _mdatOffset;
uint32 _mdatSize;
uint32 _next_chunk_offset;
MOVStreamContext *_partial;
uint32 _numStreams;
int _ni;
ScaleMode _scaleMode;
MOVStreamContext *_streams[20];
byte _palette[256 * 4];
void initParseTable();
QueuedAudioStream *getAudioStream() { return _audStream; }
Audio::AudioStream *createAudioStream(Common::SeekableReadStream *stream);
bool checkAudioCodecSupport(uint32 tag);
void updateAudioBuffer();
Common::SeekableReadStream *getNextFramePacket();
void resetInternal();
uint32 getFrameDuration(uint32 frame);
int8 _videoStreamIndex;
int8 _audioStreamIndex;
uint _curAudioChunk;
QueuedAudioStream *_audStream;
int readDefault(MOVatom atom);
int readLeaf(MOVatom atom);
int readELST(MOVatom atom);
int readHDLR(MOVatom atom);
int readMDAT(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 Mohawk
#endif
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