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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.
*
*/
#ifndef CRYO_VIDEO_H
#define CRYO_VIDEO_H
#include "cryo/sound.h"
namespace Cryo {
class CryoEngine;
class HnmPlayer {
public:
Common::File *_file;
HNMHeader _header;
private:
CryoEngine *_vm;
void resetInternalTimer();
void wantsSound(bool sound);
void decompADPCM(byte *buffer, int16 *output, int size);
void loadDecompTable(int16 *buffer);
bool loadFrame();
void tryRead(int size);
void changePalette();
void selectBuffers();
void decompLempelZiv(byte *buffer, byte *output);
void desentrelace320(byte *frame_buffer, byte *final_buffer, uint16 height);
void desentrelace();
void decompUBA(byte *output, byte *curr_buffer, byte *prev_buffer, byte *input, int width, char flags);
void setupSoundADPCM(int16 numSounds, int16 length, int16 sampleSize, float rate, int16 mode);
void init();
bool _soundStarted;
int16 _pendingSounds;
float _timeDrift;
float _nextFrameTime;
float _expectedFrameTime;
float _rate;
bool _useSoundSync;
bool _useSound;
int16 _prevRight;
int16 _prevLeft;
bool _useAdpcm;
bool _preserveColor0;
int16 decompTable[256];
bool _safePalette;
int _frameNum;
byte *_tmpBuffer[2];
byte *_finalBuffer;
byte *_newFrameBuffer;
byte *_oldFrameBuffer;
byte *_readBuffer;
byte *_dataPtr;
color_t _palette[256];
int _totalRead;
void (*_customChunkHandler)(byte *buffer, int size, int16 id, char h6, char h7);
CSoundChannel *_soundChannel;
public:
HnmPlayer(CryoEngine *vm);
void allocMemory();
void closeSound();
void deallocMemory();
int getFrameNum();
CSoundChannel *getSoundChannel();
int16 getVersion();
bool nextElement();
void reset();
void readHeader();
void resetInternals();
void setFile(Common::File *file);
void setFinalBuffer(byte *buffer);
void setForceZero2Black(bool forceblack);
void setupSound(unsigned int rate, bool stereo, bool is16bits);
void setupTimer(float rate);
void waitLoop();
};
} // End of namespace Cryo
#endif
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