/[svn]/libgig/trunk/src/DLS.h
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revision 1154 by schoenebeck, Wed Apr 11 16:33:56 2007 UTC revision 2274 by schoenebeck, Mon Sep 19 21:41:34 2011 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) 2003-2010 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 28  Line 28 
28    
29  #if WORDS_BIGENDIAN  #if WORDS_BIGENDIAN
30  # define RIFF_TYPE_DLS  0x444C5320  # define RIFF_TYPE_DLS  0x444C5320
 # define LIST_TYPE_INFO 0x494E464F  
31  # define LIST_TYPE_WVPL 0x7776706C  # define LIST_TYPE_WVPL 0x7776706C
32  # define LIST_TYPE_DWPL 0x6477706C  ///< Seen on some files instead of a wvpl list chunk.  # define LIST_TYPE_DWPL 0x6477706C  ///< Seen on some files instead of a wvpl list chunk.
33  # define LIST_TYPE_WAVE 0x77617665  # define LIST_TYPE_WAVE 0x77617665
# Line 42  Line 41 
41  # define CHUNK_ID_IARL  0x4941524C  # define CHUNK_ID_IARL  0x4941524C
42  # define CHUNK_ID_IART  0x49415254  # define CHUNK_ID_IART  0x49415254
43  # define CHUNK_ID_ICMS  0x49434D53  # define CHUNK_ID_ICMS  0x49434D53
 # define CHUNK_ID_ICMT  0x49434D54  
 # define CHUNK_ID_ICOP  0x49434F50  
 # define CHUNK_ID_ICRD  0x49435244  
 # define CHUNK_ID_IENG  0x49454E47  
44  # define CHUNK_ID_IGNR  0x49474E52  # define CHUNK_ID_IGNR  0x49474E52
45  # define CHUNK_ID_IKEY  0x494B4559  # define CHUNK_ID_IKEY  0x494B4559
46  # define CHUNK_ID_IMED  0x494D4544  # define CHUNK_ID_IMED  0x494D4544
 # define CHUNK_ID_INAM  0x494E414D  
 # define CHUNK_ID_IPRD  0x49505244  
47  # define CHUNK_ID_ISBJ  0x4953424A  # define CHUNK_ID_ISBJ  0x4953424A
 # define CHUNK_ID_ISFT  0x49534654  
48  # define CHUNK_ID_ISRC  0x49535243  # define CHUNK_ID_ISRC  0x49535243
49  # define CHUNK_ID_ISRF  0x49535246  # define CHUNK_ID_ISRF  0x49535246
50  # define CHUNK_ID_ITCH  0x49544348  # define CHUNK_ID_ITCH  0x49544348
# Line 70  Line 62 
62  # define CHUNK_ID_ART2  0x61727432  # define CHUNK_ID_ART2  0x61727432
63  #else  // little endian  #else  // little endian
64  # define RIFF_TYPE_DLS  0x20534C44  # define RIFF_TYPE_DLS  0x20534C44
 # define LIST_TYPE_INFO 0x4F464E49  
65  # define LIST_TYPE_WVPL 0x6C707677  # define LIST_TYPE_WVPL 0x6C707677
66  # define LIST_TYPE_DWPL 0x6C707764  ///< Seen on some files instead of a wvpl list chunk.  # define LIST_TYPE_DWPL 0x6C707764  ///< Seen on some files instead of a wvpl list chunk.
67  # define LIST_TYPE_WAVE 0x65766177  # define LIST_TYPE_WAVE 0x65766177
# Line 84  Line 75 
75  # define CHUNK_ID_IARL  0x4C524149  # define CHUNK_ID_IARL  0x4C524149
76  # define CHUNK_ID_IART  0x54524149  # define CHUNK_ID_IART  0x54524149
77  # define CHUNK_ID_ICMS  0x534D4349  # define CHUNK_ID_ICMS  0x534D4349
 # define CHUNK_ID_ICMT  0x544D4349  
 # define CHUNK_ID_ICOP  0x504F4349  
 # define CHUNK_ID_ICRD  0x44524349  
 # define CHUNK_ID_IENG  0x474E4549  
78  # define CHUNK_ID_IGNR  0x524E4749  # define CHUNK_ID_IGNR  0x524E4749
79  # define CHUNK_ID_IKEY  0x59454B49  # define CHUNK_ID_IKEY  0x59454B49
80  # define CHUNK_ID_IMED  0x44454D49  # define CHUNK_ID_IMED  0x44454D49
 # define CHUNK_ID_INAM  0x4D414E49  
 # define CHUNK_ID_IPRD  0x44525049  
81  # define CHUNK_ID_ISBJ  0x4A425349  # define CHUNK_ID_ISBJ  0x4A425349
 # define CHUNK_ID_ISFT  0x54465349  
82  # define CHUNK_ID_ISRC  0x43525349  # define CHUNK_ID_ISRC  0x43525349
83  # define CHUNK_ID_ISRF  0x46525349  # define CHUNK_ID_ISRF  0x46525349
84  # define CHUNK_ID_ITCH  0x48435449  # define CHUNK_ID_ITCH  0x48435449
# Line 258  namespace DLS { Line 242  namespace DLS {
242                  uint16_t transform;                  uint16_t transform;
243                  uint32_t scale;                  uint32_t scale;
244              };              };
245              Connection() {};              Connection() {}
246              void Init(conn_block_t* Header);              void Init(conn_block_t* Header);
247              conn_block_t ToConnBlock();              conn_block_t ToConnBlock();
248              virtual ~Connection() {};              virtual ~Connection() {}
249              friend class Articulation;              friend class Articulation;
250      };      };
251    
# Line 316  namespace DLS { Line 300  namespace DLS {
300              String SourceForm;       ///< <ISRF-ck>. Identifies the original form of the material that was digitized, such as record, sampling CD, TV sound track. This is not neccessarily the same as <i>Medium</i>.              String SourceForm;       ///< <ISRF-ck>. Identifies the original form of the material that was digitized, such as record, sampling CD, TV sound track. This is not neccessarily the same as <i>Medium</i>.
301              String Commissioned;     ///< <ICMS-ck>. Lists the name of the person or organization that commissioned the subject of the file, e.g., Pope Julian II.              String Commissioned;     ///< <ICMS-ck>. Lists the name of the person or organization that commissioned the subject of the file, e.g., Pope Julian II.
302              String Subject;          ///< <ISBJ-ck>. Describes the contents of the file.              String Subject;          ///< <ISBJ-ck>. Describes the contents of the file.
303              bool UseFixedLengthStrings; ///< Set this to true if the info strings should be stored with a fixed length format. This is used for gig files, not for ordinary DLS files.              bool UseFixedLengthStrings; ///< @deprecated Not used anymore, use SetFixedStringLengths() instead.
304    
305                struct string_length_t {
306                    uint32_t chunkId;
307                    int      length;
308                };
309    
310              Info(RIFF::List* list);              Info(RIFF::List* list);
311                void SetFixedStringLengths(const string_length_t* lengths);
312              virtual ~Info();              virtual ~Info();
313              virtual void UpdateChunks();              virtual void UpdateChunks();
314          private:          private:
315              RIFF::List* pResourceListChunk;              RIFF::List*            pResourceListChunk;
316                const string_length_t* pFixedStringLengths; ///< List of IDs and string lengths for strings that should be stored in a fixed length format. This is used for gig files, not for ordinary DLS files.
317    
318              static void LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s);              static void LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s);
319              static void SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault, bool bUseFixedLengthStrings, int size);              void SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault);
320      };      };
321    
322      /** Abstract base class which encapsulates data structures which all DLS resources are able to provide. */      /** Abstract base class which encapsulates data structures which all DLS resources are able to provide. */
# Line 334  namespace DLS { Line 325  namespace DLS {
325              Info*    pInfo;  ///< Points (in any case) to an <i>Info</i> object, providing additional, optional infos and comments.              Info*    pInfo;  ///< Points (in any case) to an <i>Info</i> object, providing additional, optional infos and comments.
326              dlsid_t* pDLSID; ///< Points to a <i>dlsid_t</i> structure if the file provided a DLS ID else is <i>NULL</i>.              dlsid_t* pDLSID; ///< Points to a <i>dlsid_t</i> structure if the file provided a DLS ID else is <i>NULL</i>.
327    
328              Resource* GetParent() { return pParent; };              Resource* GetParent() { return pParent; }
329              virtual void UpdateChunks();              virtual void UpdateChunks();
330                void GenerateDLSID();
331          protected:          protected:
332              Resource* pParent;              Resource* pParent;
333              RIFF::List* pResourceList;              RIFF::List* pResourceList;
# Line 349  namespace DLS { Line 341  namespace DLS {
341          public:          public:
342              uint8_t        UnityNote;              uint8_t        UnityNote;
343              int16_t        FineTune;              int16_t        FineTune;
344              int32_t        Gain;              int32_t        Gain; ///< @deprecated Don't alter directly, use SetGain() instead!
345              bool           NoSampleDepthTruncation;              bool           NoSampleDepthTruncation;
346              bool           NoSampleCompression;              bool           NoSampleCompression;
347              uint32_t       SampleLoops;  ///< Reflects the number of sample loops.              uint32_t       SampleLoops;  ///< Reflects the number of sample loops.
# Line 357  namespace DLS { Line 349  namespace DLS {
349    
350              void AddSampleLoop(sample_loop_t* pLoopDef);              void AddSampleLoop(sample_loop_t* pLoopDef);
351              void DeleteSampleLoop(sample_loop_t* pLoopDef);              void DeleteSampleLoop(sample_loop_t* pLoopDef);
352                virtual void SetGain(int32_t gain);
353              virtual void UpdateChunks();              virtual void UpdateChunks();
354          protected:          protected:
355              RIFF::List*    pParentList;              RIFF::List*    pParentList;
# Line 408  namespace DLS { Line 401  namespace DLS {
401      /** Defines <i>Region</i> information of an <i>Instrument</i>. */      /** Defines <i>Region</i> information of an <i>Instrument</i>. */
402      class Region : public Resource, public Articulator, public Sampler {      class Region : public Resource, public Articulator, public Sampler {
403          public:          public:
404              range_t     KeyRange;              range_t     KeyRange; ///< @deprecated Only read, don't write! Use SetKeyRange() instead.
405              range_t     VelocityRange;              range_t     VelocityRange;
406              uint16_t    KeyGroup;              uint16_t    KeyGroup;
407              uint16_t    Layer;              uint16_t    Layer;
# Line 420  namespace DLS { Line 413  namespace DLS {
413    
414              Sample*     GetSample();              Sample*     GetSample();
415              void        SetSample(Sample* pSample);              void        SetSample(Sample* pSample);
416                virtual void SetKeyRange(uint16_t Low, uint16_t High);
417              virtual void UpdateChunks();              virtual void UpdateChunks();
418          protected:          protected:
419              RIFF::List* pCkRegion;              RIFF::List* pCkRegion;
# Line 446  namespace DLS { Line 440  namespace DLS {
440              Region*  GetFirstRegion();              Region*  GetFirstRegion();
441              Region*  GetNextRegion();              Region*  GetNextRegion();
442              Region*  AddRegion();              Region*  AddRegion();
             void     MoveRegion(Region* pSrc, Region* pDst);  
443              void     DeleteRegion(Region* pRegion);              void     DeleteRegion(Region* pRegion);
444              virtual void UpdateChunks();              virtual void UpdateChunks();
445          protected:          protected:
# Line 464  namespace DLS { Line 457  namespace DLS {
457              virtual void LoadRegions();              virtual void LoadRegions();
458              virtual ~Instrument();              virtual ~Instrument();
459              friend class File;              friend class File;
460                friend class Region;
461            private:
462                void MoveRegion(Region* pSrc, Region* pDst);
463      };      };
464    
465      /** Parses DLS Level 1 and 2 compliant files and provides abstract access to the data. */      /** Parses DLS Level 1 and 2 compliant files and provides abstract access to the data. */
# Line 474  namespace DLS { Line 470  namespace DLS {
470    
471              File();              File();
472              File(RIFF::File* pRIFF);              File(RIFF::File* pRIFF);
473                String      GetFileName();
474              Sample*     GetFirstSample();     ///< Returns a pointer to the first <i>Sample</i> object of the file, <i>NULL</i> otherwise.              Sample*     GetFirstSample();     ///< Returns a pointer to the first <i>Sample</i> object of the file, <i>NULL</i> otherwise.
475              Sample*     GetNextSample();      ///< Returns a pointer to the next <i>Sample</i> object of the file, <i>NULL</i> otherwise.              Sample*     GetNextSample();      ///< Returns a pointer to the next <i>Sample</i> object of the file, <i>NULL</i> otherwise.
476              Sample*     AddSample();              Sample*     AddSample();
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