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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
namespace Cryo {
class CryoEngine;
class HnmPlayer {
private:
CryoEngine *_vm;
void resetInternalTimer();
void wantsSound(bool sound);
void decompADPCM(byte *buffer, int16 *output, int size);
void loadDecompTable(int16 *buffer);
bool loadFrame(hnm_t *hnm);
void tryRead(hnm_t *hnm, int size);
void changePalette(hnm_t *hnm);
void selectBuffers(hnm_t *hnm);
void decompLempelZiv(byte *buffer, byte *output);
void desentrelace320(byte *frame_buffer, byte *final_buffer, uint16 height);
void desentrelace(hnm_t *hnm);
void decompUBA(byte *output, byte *curr_buffer, byte *prev_buffer, byte *input, int width, char flags);
// Unused
void done();
void dispose(hnm_t *hnm);
void canLoop(hnm_t *hnm, bool canLoop);
void soundInADPCM(bool is_adpcm);
void soundMono(bool is_mono);
//
bool _soundStarted;
int16 _pendingSounds;
float _timeDrift;
float _nextFrameTime;
float _expectedFrameTime;
float _rate;
bool _useSoundSync;
bool _useSound;
int16 _prevRight;
int16 _prevLeft;
bool _useAdpcm;
bool _useMono;
bool _preserveColor0;
int16 decompTable[256];
bool _safePalette;
void (*_customChunkHandler)(byte *buffer, int size, int16 id, char h6, char h7);
soundchannel_t *_soundChannel;
SoundGroup *_soundGroup;
soundchannel_t *_soundChannelAdpcm;
SoundGroup *_soundGroupAdpcm;
public:
uint16 _curVideoNum;
HnmPlayer(CryoEngine *vm);
void setupTimer(float rate);
void reset(hnm_t *hnm);
void closeSound();
void waitLoop(hnm_t *hnm);
void flushPreloadBuffer(hnm_t *hnm);
void setupSound(int16 numSounds, int16 length, int16 sampleSize, float rate, int16 mode);
void setupSoundADPCM(int16 numSounds, int16 length, int16 sampleSize, float rate, int16 mode);
bool nextElement(hnm_t *hnm);
void init();
void setForceZero2Black(bool forceblack);
void readHeader(hnm_t *hnm);
int16 getVersion(hnm_t *hnm);
void allocMemory(hnm_t *hnm);
void deallocMemory(hnm_t *hnm);
void setFinalBuffer(hnm_t *hnm, byte *buffer);
int getFrameNum(hnm_t *hnm);
hnm_t *resetInternals();
void setFile(hnm_t *hnm, Common::File *file);
soundchannel_t *getSoundChannel();
};
} // End of namespace Cryo
#endif
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