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107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef CRYO_VIDEO_H
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#define CRYO_VIDEO_H
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#include "cryo/sound.h"
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namespace Cryo {
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class CryoEngine;
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class HnmPlayer {
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public:
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Common::File *_file;
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HNMHeader _header;
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private:
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CryoEngine *_vm;
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void resetInternalTimer();
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void wantsSound(bool sound);
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void decompADPCM(byte *buffer, int16 *output, int size);
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void loadDecompTable(int16 *buffer);
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bool loadFrame();
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void tryRead(int size);
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void changePalette();
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void selectBuffers();
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void decompLempelZiv(byte *buffer, byte *output);
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void desentrelace320(byte *frame_buffer, byte *final_buffer, uint16 height);
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void desentrelace();
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void decompUBA(byte *output, byte *curr_buffer, byte *prev_buffer, byte *input, int width, char flags);
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void setupSoundADPCM(int16 numSounds, int16 length, int16 sampleSize, float rate, int16 mode);
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void init();
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bool _soundStarted;
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int16 _pendingSounds;
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float _timeDrift;
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float _nextFrameTime;
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float _expectedFrameTime;
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float _rate;
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bool _useSoundSync;
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bool _useSound;
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int16 _prevRight;
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int16 _prevLeft;
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bool _useAdpcm;
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bool _preserveColor0;
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int16 decompTable[256];
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bool _safePalette;
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int _frameNum;
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byte *_tmpBuffer[2];
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byte *_finalBuffer;
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byte *_newFrameBuffer;
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byte *_oldFrameBuffer;
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byte *_readBuffer;
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byte *_dataPtr;
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color_t _palette[256];
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int _totalRead;
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void (*_customChunkHandler)(byte *buffer, int size, int16 id, char h6, char h7);
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CSoundChannel *_soundChannel;
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public:
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HnmPlayer(CryoEngine *vm);
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void allocMemory();
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void closeSound();
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void deallocMemory();
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int getFrameNum();
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CSoundChannel *getSoundChannel();
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int16 getVersion();
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bool nextElement();
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void reset();
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void readHeader();
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void resetInternals();
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void setFile(Common::File *file);
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void setFinalBuffer(byte *buffer);
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void setForceZero2Black(bool forceblack);
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void setupSound(unsigned int rate, bool stereo, bool is16bits);
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void setupTimer(float rate);
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void waitLoop();
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};
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} // End of namespace Cryo
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#endif
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