269 lines
7.3 KiB
C++
269 lines
7.3 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#if !defined(SCUMM_SMUSH_PLAYER_H) && defined(ENABLE_SCUMM_7_8)
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#define SCUMM_SMUSH_PLAYER_H
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#include "common/util.h"
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namespace Audio {
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class SoundHandle;
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class QueuingAudioStream;
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}
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namespace Scumm {
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#define SMUSH_MAX_TRACKS 4
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#define SMUSH_FADE_SIZE 0xC00
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#define IS_SFX 0x00
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#define IS_BKG_MUSIC 0x40
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#define IS_SPEECH 0x80
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#define CHN_BKGMUS 1
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#define CHN_SPEECH 2
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#define CHN_OTHER 3
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#define GRP_MASTER 0xFF01
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#define GRP_SFX 0xFF02
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#define GRP_BKGMUS 0xFF03
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#define GRP_SPEECH 0xFF04
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#define TRK_STATE_INACTIVE 0
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#define TRK_STATE_PLAYING 1
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#define TRK_STATE_FADING 2
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#define TRK_STATE_ENDING 3
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#define TRK_TYPE_MASK 0xC0
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#define SAUD_OP_INIT 1
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#define SAUD_OP_UPDATE_HEADER 2
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#define SAUD_OP_SET_PARAM 3
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#define SAUD_OP_INCR_PARAM 4
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#define SAUD_OP_SET_OFFSET 6
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#define SAUD_OP_SET_LENGTH 7
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#define SAUD_OP_COMPARE_GT 8
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#define SAUD_OP_COMPARE_LT 9
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#define SAUD_OP_COMPARE_EQ 10
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#define SAUD_OP_COMPARE_NE 11
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#define SAUD_VALUEID_ALL_VOLS 0xFF
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#define SAUD_VALUEID_TRK_VOL 0xFE
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#define SAUD_VALUEID_TRK_PAN 0xFD
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#define TRK_USERID_SPEECH 1
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#define TRK_USERID_MUSIC 2
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#define TRK_USERID_SFX 3
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#define SMUSH_CODEC_RLE 1
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#define SMUSH_CODEC_RLE_ALT 3
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#define SMUSH_CODEC_UNCOMPRESSED 20
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#define SMUSH_CODEC_DELTA_BLOCKS 37
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#define SMUSH_CODEC_DELTA_GLYPHS 47
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class ScummEngine_v7;
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class SmushFont;
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class SmushMixer;
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class StringResource;
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class SmushDeltaBlocksDecoder;
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class SmushDeltaGlyphsDecoder;
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class IMuseDigital;
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class Insane;
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class SmushPlayer {
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friend class Insane;
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private:
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struct SmushAudioDispatch {
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uint8 *headerPtr;
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uint8 *dataBuf;
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int32 dataSize;
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int32 audioRemaining;
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int32 currentOffset;
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int sampleRate;
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int state;
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int fadeSampleRate;
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int fadeVolume;
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int32 fadeRemaining;
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int volumeStep;
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int32 elapsedAudio;
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int32 audioLength;
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};
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struct SmushAudioTrack {
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uint8 *blockPtr;
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uint8 *fadeBuf;
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uint8 *dataBuf;
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uint8 *subChunkPtr;
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int32 blockSize;
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byte volume;
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byte pan;
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int16 state;
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int16 flags;
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int groupId;
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int parsedChunks;
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int32 dataSize;
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int32 availableSize;
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int32 audioRemaining;
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int32 sdatSize;
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};
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ScummEngine_v7 *_vm;
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IMuseDigital *_imuseDigital;
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Insane *_insane;
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int32 _nbframes;
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int16 _deltaPal[0x300];
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int32 _shiftedDeltaPal[0x300];
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byte _pal[0x300];
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SmushFont *_sf[5];
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StringResource *_strings;
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SmushDeltaBlocksDecoder *_deltaBlocksCodec;
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SmushDeltaGlyphsDecoder *_deltaGlyphsCodec;
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Common::SeekableReadStream *_base;
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uint32 _baseSize;
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byte *_frameBuffer;
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byte *_specialBuffer;
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Common::String _seekFile;
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uint32 _startFrame;
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uint32 _startTime;
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int32 _seekPos;
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uint32 _seekFrame;
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bool _skipNext;
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uint32 _frame;
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Audio::SoundHandle *_IACTchannel;
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Audio::QueuingAudioStream *_IACTstream;
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Audio::SoundHandle *_compressedFileSoundHandle;
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bool _compressedFileMode;
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byte _IACToutput[4096];
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int32 _IACTpos;
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bool _storeFrame;
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int _speed;
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bool _endOfFile;
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byte *_dst;
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bool _updateNeeded;
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bool _warpNeeded;
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int _palDirtyMin, _palDirtyMax;
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int _warpX, _warpY;
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int _warpButtons;
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bool _insanity;
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bool _middleAudio;
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bool _skipPalette;
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int _iactTable[4];
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SmushAudioTrack _smushTracks[SMUSH_MAX_TRACKS];
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SmushAudioDispatch _smushDispatch[SMUSH_MAX_TRACKS];
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int _smushMaxFrames[SMUSH_MAX_TRACKS];
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int _smushTrackIds[SMUSH_MAX_TRACKS];
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int _smushTrackIdxs[SMUSH_MAX_TRACKS];
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uint8 _smushAudioTable[256];
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int _smushNumTracks;
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int _smushTrackFlags[SMUSH_MAX_TRACKS];
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int _smushTrackVols[SMUSH_MAX_TRACKS];
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int _smushAudioSampleRate;
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int _gainReductionLowerBound;
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int _gainReductionFactor;
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int _gainReductionMultiplier;
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bool _smushTracksNeedInit;
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bool _smushAudioInitialized;
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bool _smushAudioCallbackEnabled;
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public:
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SmushPlayer(ScummEngine_v7 *scumm, IMuseDigital *_imuseDigital, Insane *insane);
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~SmushPlayer();
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void pause();
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void unpause();
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void play(const char *filename, int32 speed, int32 offset = 0, int32 startFrame = 0);
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void release();
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void warpMouse(int x, int y, int buttons);
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int setChanFlag(int id, int flagVal);
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void setGroupVolume(int groupId, int volValue);
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void processDispatches(int16 feedSize);
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bool isAudioCallbackEnabled();
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byte *getVideoPalette();
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void setCurVideoFlags(int16 flags);
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protected:
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int _width, _height;
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int _origPitch, _origNumStrips;
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bool _paused;
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uint32 _pauseStartTime;
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uint32 _pauseTime;
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int16 _curVideoFlags = 0;
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void insanity(bool);
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void setPalette(const byte *palette);
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void setPaletteValue(int n, byte r, byte g, byte b);
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void setDirtyColors(int min, int max);
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void seekSan(const char *file, int32 pos, int32 contFrame);
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const char *getString(int id);
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private:
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SmushFont *getFont(int font);
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void parseNextFrame();
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void init(int32 spped);
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void setupAnim(const char *file);
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void updateScreen();
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void tryCmpFile(const char *filename);
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bool readString(const char *file);
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void decodeFrameObject(int codec, const uint8 *src, int left, int top, int width, int height);
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void handleAnimHeader(int32 subSize, Common::SeekableReadStream &);
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void handleFrame(int32 frameSize, Common::SeekableReadStream &);
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void handleNewPalette(int32 subSize, Common::SeekableReadStream &);
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void handleZlibFrameObject(int32 subSize, Common::SeekableReadStream &b);
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void handleFrameObject(int32 subSize, Common::SeekableReadStream &);
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void handleSAUDChunk(uint8 *srcBuf, uint32 size, int groupId, int vol, int pan, int16 flags, int trkId, int index, int maxFrames);
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void handleStore(int32 subSize, Common::SeekableReadStream &);
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void handleFetch(int32 subSize, Common::SeekableReadStream &);
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void handleIACT(int32 subSize, Common::SeekableReadStream &);
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void handleTextResource(uint32 subType, int32 subSize, Common::SeekableReadStream &);
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void handleDeltaPalette(int32 subSize, Common::SeekableReadStream &);
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void readPalette(byte *, Common::SeekableReadStream &);
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void initAudio(int samplerate, int32 maxChunkSize);
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void terminateAudio();
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int isChanActive(int flagId);
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int addAudioTrack(int32 trackBlockSize, int32 maxBlockSize);
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void resetAudioTracks();
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void setGainReductionParams(int16 gainReductionLowerBound, int16 gainReductionMultiplier);
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void fillAudioTrackInfo(uint8 *srcBuf, uint16 *flagsAccumulator, uint32 size, int groupId, int vol, int pan, int16 flags, int trkId, int index, int maxFrames);
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bool processAudioCodes(int idx, int32 &tmpFeedSize, int &mixVolume);
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void feedAudio(uint8 *srcBuf, int groupId, int volume, int pan, int16 flags);
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void sendAudioToDiMUSE(uint8 *mixBuf, int32 mixStartingPoint, int32 mixFeedSize, int32 mixInFrameCount, int volume, int pan);
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void timerCallback();
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};
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} // End of namespace Scumm
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#endif
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