scummvm/scumm/imuse_digi/dimuse_bndmgr.h
2004-01-09 13:16:06 +00:00

101 lines
2.5 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2001-2004 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#ifndef BUNDLE_MGR_H
#define BUNDLE_MGR_H
#include "common/scummsys.h"
#include "common/file.h"
namespace Scumm {
class BundleDirCache {
public:
struct AudioTable {
char filename[13];
int32 size;
int32 offset;
};
private:
struct FileDirCache {
char fileName[20];
AudioTable *bundleTable;
int32 numFiles;
} _budleDirCache[4];
int matchFile(const char *filename, const char *directory);
public:
BundleDirCache();
~BundleDirCache();
AudioTable *getTable(const char *filename, const char *directory);
int32 getNumFiles(const char *filename, const char *directory);
};
class BundleMgr {
private:
struct CompTable {
int32 offset;
int32 size;
int32 codec;
};
BundleDirCache *_cache;
BundleDirCache::AudioTable *_bundleTable;
CompTable *_compTable;
int32 _numFiles;
int32 _curSample;
File _file;
bool _compTableLoaded;
int _fileBundleId;
byte _blockChache[0x2000];
int32 _lastCacheOutputSize;
int32 _lastBlock;
public:
BundleMgr(BundleDirCache *_cache);
~BundleMgr();
bool openFile(const char *filename, const char *directory);
void closeFile();
int32 decompressSampleByName(const char *name, int32 offset, int32 size, byte **comp_final, bool header_outside);
int32 decompressSampleByIndex(int32 index, int32 offset, int32 size, byte **comp_final, int header_size, bool header_outside);
int32 decompressSampleByCurIndex(int32 offset, int32 size, byte **comp_final, int header_size, bool header_outside);
};
namespace BundleCodecs {
uint32 decode12BitsSample(byte *src, byte **dst, uint32 size);
void initializeImcTables();
#ifdef __PALM_OS__
void releaseImcTables();
#endif
int32 decompressCodec(int32 codec, byte *comp_input, byte *comp_output, int32 input_size);
} // End of namespace BundleCodecs
} // End of namespace Scumm
#endif