/[svn]/libgig/trunk/src/RIFF.h
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revision 1713 by persson, Thu Mar 6 20:42:22 2008 UTC revision 2482 by schoenebeck, Mon Nov 25 02:22:38 2013 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   libgig - C++ cross-platform Gigasampler format file access library    *   *   libgig - C++ cross-platform Gigasampler format file access library    *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003-2007 by Christian Schoenebeck                      *   *   Copyright (C) 2003-2013 by Christian Schoenebeck                      *
6   *                              <cuse@users.sourceforge.net>               *   *                              <cuse@users.sourceforge.net>               *
7   *                                                                         *   *                                                                         *
8   *   This library is free software; you can redistribute it and/or modify  *   *   This library is free software; you can redistribute it and/or modify  *
# Line 38  Line 38 
38    
39  #include <string>  #include <string>
40  #include <list>  #include <list>
 #include <set>  
41  #include <map>  #include <map>
42  #include <iostream>  #include <iostream>
43    
# Line 53  Line 52 
52  # include <unistd.h>  # include <unistd.h>
53  #endif // POSIX  #endif // POSIX
54    
55    #ifdef _MSC_VER
56    // Visual C++ 2008 doesn't have stdint.h
57    typedef __int8 int8_t;
58    typedef __int16 int16_t;
59    typedef __int32 int32_t;
60    typedef __int64 int64_t;
61    typedef unsigned __int8 uint8_t;
62    typedef unsigned __int16 uint16_t;
63    typedef unsigned __int32 uint32_t;
64    typedef unsigned __int64 uint64_t;
65    #else
66  #include <stdint.h>  #include <stdint.h>
67    #endif
68    
69  #ifdef WIN32  #ifdef WIN32
70  # include <windows.h>  # include <windows.h>
# Line 66  Line 77 
77  # define CHUNK_ID_RIFF  0x52494646  # define CHUNK_ID_RIFF  0x52494646
78  # define CHUNK_ID_RIFX  0x52494658  # define CHUNK_ID_RIFX  0x52494658
79  # define CHUNK_ID_LIST  0x4C495354  # define CHUNK_ID_LIST  0x4C495354
80    
81    # define LIST_TYPE_INFO 0x494E464F
82    # define CHUNK_ID_ICMT  0x49434D54
83    # define CHUNK_ID_ICOP  0x49434F50
84    # define CHUNK_ID_ICRD  0x49435244
85    # define CHUNK_ID_IENG  0x49454E47
86    # define CHUNK_ID_INAM  0x494E414D
87    # define CHUNK_ID_IPRD  0x49505244
88    # define CHUNK_ID_ISFT  0x49534654
89    
90    # define CHUNK_ID_SMPL  0x736D706C
91    
92  #else  // little endian  #else  // little endian
93  # define CHUNK_ID_RIFF  0x46464952  # define CHUNK_ID_RIFF  0x46464952
94  # define CHUNK_ID_RIFX  0x58464952  # define CHUNK_ID_RIFX  0x58464952
95  # define CHUNK_ID_LIST  0x5453494C  # define CHUNK_ID_LIST  0x5453494C
96    
97    # define LIST_TYPE_INFO 0x4F464E49
98    # define CHUNK_ID_ICMT  0x544D4349
99    # define CHUNK_ID_ICOP  0x504F4349
100    # define CHUNK_ID_ICRD  0x44524349
101    # define CHUNK_ID_IENG  0x474E4549
102    # define CHUNK_ID_INAM  0x4D414E49
103    # define CHUNK_ID_IPRD  0x44525049
104    # define CHUNK_ID_ISFT  0x54465349
105    
106    # define CHUNK_ID_SMPL  0x6C706D73
107    
108  #endif // WORDS_BIGENDIAN  #endif // WORDS_BIGENDIAN
109    
110  #define CHUNK_HEADER_SIZE       8  #define CHUNK_HEADER_SIZE       8
# Line 145  namespace RIFF { Line 180  namespace RIFF {
180              String         GetChunkIDString();              String         GetChunkIDString();
181              uint32_t       GetChunkID() { return ChunkID; }             ///< Chunk ID in unsigned integer representation.              uint32_t       GetChunkID() { return ChunkID; }             ///< Chunk ID in unsigned integer representation.
182              List*          GetParent()  { return pParent; }             ///< Returns pointer to the chunk's parent list chunk.              List*          GetParent()  { return pParent; }             ///< Returns pointer to the chunk's parent list chunk.
183              unsigned long  GetSize()    { return CurrentChunkSize; }    ///< Chunk size in bytes (without header, thus the chunk data body)              unsigned long  GetSize() const { return CurrentChunkSize; } ///< Chunk size in bytes (without header, thus the chunk data body)
184              unsigned long  GetNewSize() { return NewChunkSize;     }    ///< New chunk size if it was modified with Resize().              unsigned long  GetNewSize() { return NewChunkSize;     }    ///< New chunk size if it was modified with Resize().
185              unsigned long  GetPos()     { return ulPos; }               ///< Position within the chunk data body              unsigned long  GetPos()     { return ulPos; }               ///< Position within the chunk data body
186              unsigned long  GetFilePos() { return ulStartPos + ulPos; }  ///< Current, actual offset in file.              unsigned long  GetFilePos() { return ulStartPos + ulPos; }  ///< Current, actual offset in file.
# Line 165  namespace RIFF { Line 200  namespace RIFF {
200              uint16_t       ReadUint16();              uint16_t       ReadUint16();
201              int32_t        ReadInt32();              int32_t        ReadInt32();
202              uint32_t       ReadUint32();              uint32_t       ReadUint32();
203                void           ReadString(String& s, int size);
204              unsigned long  Write(void* pData, unsigned long WordCount, unsigned long WordSize);              unsigned long  Write(void* pData, unsigned long WordCount, unsigned long WordSize);
205              unsigned long  WriteInt8(int8_t* pData,     unsigned long WordCount = 1);              unsigned long  WriteInt8(int8_t* pData,     unsigned long WordCount = 1);
206              unsigned long  WriteUint8(uint8_t* pData,   unsigned long WordCount = 1);              unsigned long  WriteUint8(uint8_t* pData,   unsigned long WordCount = 1);
# Line 272  namespace RIFF { Line 308  namespace RIFF {
308              void LoadSubChunksRecursively();              void LoadSubChunksRecursively();
309              virtual unsigned long WriteChunk(unsigned long ulWritePos, unsigned long ulCurrentDataOffset);              virtual unsigned long WriteChunk(unsigned long ulWritePos, unsigned long ulCurrentDataOffset);
310              virtual void __resetPos(); ///< Sets List Chunk's read/write position to zero and causes all sub chunks to do the same.              virtual void __resetPos(); ///< Sets List Chunk's read/write position to zero and causes all sub chunks to do the same.
311                void DeleteChunkList();
312      };      };
313    
314      /** @brief RIFF File      /** @brief RIFF File
# Line 288  namespace RIFF { Line 325  namespace RIFF {
325              bool          SetMode(stream_mode_t NewMode);              bool          SetMode(stream_mode_t NewMode);
326              void SetByteOrder(endian_t Endian);              void SetByteOrder(endian_t Endian);
327              String GetFileName();              String GetFileName();
328                void SetFileName(const String& path);
329                bool IsNew() const;
330              virtual void Save();              virtual void Save();
331              virtual void Save(const String& path);              virtual void Save(const String& path);
332              virtual ~File();              virtual ~File();
# Line 304  namespace RIFF { Line 343  namespace RIFF {
343              #endif // POSIX              #endif // POSIX
344              String Filename;              String Filename;
345              bool   bEndianNative;              bool   bEndianNative;
346                bool   bIsNewFile;
347    
348              void LogAsResized(Chunk* pResizedChunk);              void LogAsResized(Chunk* pResizedChunk);
349              void UnlogResized(Chunk* pResizedChunk);              void UnlogResized(Chunk* pResizedChunk);
# Line 311  namespace RIFF { Line 351  namespace RIFF {
351              friend class List;              friend class List;
352          private:          private:
353              stream_mode_t  Mode;              stream_mode_t  Mode;
354              std::set<Chunk*> ResizedChunks; ///< All chunks which have been resized (enlarged / shortened).              ChunkList ResizedChunks; ///< All chunks which have been resized (enlarged / shortened).
355    
356              unsigned long GetFileSize();              unsigned long GetFileSize();
357              void ResizeFile(unsigned long ulNewSize);              void ResizeFile(unsigned long ulNewSize);
# Line 322  namespace RIFF { Line 362  namespace RIFF {
362              #else              #else
363              unsigned long __GetFileSize(FILE* hFile);              unsigned long __GetFileSize(FILE* hFile);
364              #endif              #endif
365                void Cleanup();
366      };      };
367    
368      /**      /**
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