/[svn]/libgig/trunk/src/SF.h
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revision 2043 by iliev, Tue Nov 3 19:08:44 2009 UTC revision 2044 by persson, Sun Jan 10 12:58:51 2010 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   libsf2 - C++ cross-platform SF2 format file access library            *   *   libsf2 - C++ cross-platform SF2 format file access library            *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2009 by Grigor Iliev  <grigor@grigoriliev.com>          *   *   Copyright (C) 2009-2010 by Grigor Iliev  <grigor@grigoriliev.com>     *
6   *                                                                         *   *                                                                         *
7   *   This library is free software; you can redistribute it and/or modify  *   *   This library is free software; you can redistribute it and/or modify  *
8   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 28  Line 28 
28  #include <vector>  #include <vector>
29    
30    
31  #if WORDS_BIGENDIAN  #define RIFF_ID(x) (*((uint32_t*) x))
 #define ENDIAN_SWAP(x) \  
         ( (x>>24) | ((x<<8) & 0x00FF0000) | ((x>>8) & 0x0000FF00) | (x<<24) )  
 #else  
 #define ENDIAN_SWAP(x) (x)  
 #endif  
32    
 #define RIFF_ID(x) ENDIAN_SWAP( (*((uint32_t*) x)) )  
33    
34    #define RIFF_TYPE_SF2   RIFF_ID("sfbk")
 #define RIFF_TYPE_SF2   RIFF_ID("sfbk")  
35    
36  // Level 0  // Level 0
37  #define LIST_TYPE_INFO  RIFF_ID("INFO")  #define LIST_TYPE_SDTA  RIFF_ID("sdta")
38  #define LIST_TYPE_SDTA  RIFF_ID("sdta")  #define LIST_TYPE_PDTA  RIFF_ID("pdta")
 #define LIST_TYPE_PDTA  RIFF_ID("pdta")  
39    
40  // Level 1  // Level 1
41  //<INFO-list>  //<INFO-list>
42  #define CHUNK_ID_IFIL   RIFF_ID("ifil")  #define CHUNK_ID_IFIL   RIFF_ID("ifil")
43  #define CHUNK_ID_ISNG   RIFF_ID("isng")  #define CHUNK_ID_ISNG   RIFF_ID("isng")
44  #define CHUNK_ID_INAM   RIFF_ID("INAM")  #define CHUNK_ID_IROM   RIFF_ID("irom")
45  #define CHUNK_ID_IROM   RIFF_ID("irom")  #define CHUNK_ID_IVER   RIFF_ID("iver")
 #define CHUNK_ID_IVER   RIFF_ID("iver")  
 #define CHUNK_ID_ICRD   RIFF_ID("ICRD")  
 #define CHUNK_ID_IENG   RIFF_ID("IENG")  
 #define CHUNK_ID_IPRD   RIFF_ID("IPRD")  
 #define CHUNK_ID_ICOP   RIFF_ID("ICOP")  
 #define CHUNK_ID_ICMT   RIFF_ID("ICMT")  
 #define CHUNK_ID_ISFT   RIFF_ID("ISFT")  
46    
47  //<sdta-list>  //<sdta-list>
48  #define CHUNK_ID_SMPL   RIFF_ID("smpl")  #define CHUNK_ID_SM24   RIFF_ID("sm24")
 #define CHUNK_ID_SM24   RIFF_ID("sm24")  
49    
50  //<pdta-list>  //<pdta-list>
51  #define CHUNK_ID_PHDR   RIFF_ID("phdr")  #define CHUNK_ID_PHDR   RIFF_ID("phdr")
52  #define CHUNK_ID_PBAG   RIFF_ID("pbag")  #define CHUNK_ID_PBAG   RIFF_ID("pbag")
53  #define CHUNK_ID_PMOD   RIFF_ID("pmod")  #define CHUNK_ID_PMOD   RIFF_ID("pmod")
54  #define CHUNK_ID_PGEN   RIFF_ID("pgen")  #define CHUNK_ID_PGEN   RIFF_ID("pgen")
55  #define CHUNK_ID_INST   RIFF_ID("inst")  #define CHUNK_ID_INST   RIFF_ID("inst")
56  #define CHUNK_ID_IBAG   RIFF_ID("ibag")  #define CHUNK_ID_IBAG   RIFF_ID("ibag")
57  #define CHUNK_ID_IMOD   RIFF_ID("imod")  #define CHUNK_ID_IMOD   RIFF_ID("imod")
58  #define CHUNK_ID_IGEN   RIFF_ID("igen")  #define CHUNK_ID_IGEN   RIFF_ID("igen")
59  #define CHUNK_ID_SHDR   RIFF_ID("shdr")  #define CHUNK_ID_SHDR   RIFF_ID("shdr")
60    
61  /** SoundFont specific classes and definitions */  /** SoundFont specific classes and definitions */
62  namespace sf2 {  namespace sf2 {
63      
64      static uint NONE = 0x1ffffff;      static uint NONE = 0x1ffffff;
65    
66      typedef struct _PresetBag {      typedef struct _PresetBag {
# Line 97  namespace sf2 { Line 81  namespace sf2 {
81      } ModList;      } ModList;
82    
83      typedef struct _RangesType {      typedef struct _RangesType {
84            #if WORDS_BIGENDIAN
85            uint8_t byHi;
86            uint8_t byLo;
87            #else
88          uint8_t byLo;          uint8_t byLo;
89          uint8_t byHi;          uint8_t byHi;
90            #endif
91      } RangesType;      } RangesType;
92    
93      typedef union _GenAmountType {      typedef union _GenAmountType {
# Line 221  namespace sf2 { Line 210  namespace sf2 {
210      class ModulatorItem {      class ModulatorItem {
211          public:          public:
212              Modulator    ModSrcOper;              Modulator    ModSrcOper;
213              SFGenerator  ModDestOper;              SFGenerator  ModDestOper;
214              uint16_t     ModAmount;              uint16_t     ModAmount;
215              Modulator    ModAmtSrcOper;              Modulator    ModAmtSrcOper;
216              SFTransform  ModTransOper;              SFTransform  ModTransOper;
217    
218              ModulatorItem(ModList& mod);              ModulatorItem(ModList& mod);
219      };      };
# Line 367  namespace sf2 { Line 356  namespace sf2 {
356              int startloopAddrsOffset, startloopAddrsCoarseOffset, endloopAddrsOffset, endloopAddrsCoarseOffset;              int startloopAddrsOffset, startloopAddrsCoarseOffset, endloopAddrsOffset, endloopAddrsCoarseOffset;
357    
358              int modEnvToPitch, modLfoToPitch, modEnvToFilterFc, modLfoToFilterFc, modLfoToVolume, freqModLfo;              int modEnvToPitch, modLfoToPitch, modEnvToFilterFc, modLfoToFilterFc, modLfoToVolume, freqModLfo;
359              double delayModLfo;              int delayModLfo;
360              int vibLfoToPitch, freqVibLfo;              int vibLfoToPitch, freqVibLfo;
361              double delayVibLfo;              int delayVibLfo;
362    
363              uint exclusiveClass; // exclusive group              uint exclusiveClass; // exclusive group
364    
# Line 427  namespace sf2 { Line 416  namespace sf2 {
416              friend class Preset;              friend class Preset;
417    
418          private:          private:
419              double EG1PreAttackDelay; // in timecents              int EG1PreAttackDelay; // in timecents
420              double EG1Attack; // in timecents              int EG1Attack; // in timecents
421              double EG1Hold; // in timecents              int EG1Hold; // in timecents
422              double EG1Decay; // in timecents              int EG1Decay; // in timecents
423              double EG1Sustain; // Sustain value of the sample amplitude EG (in permilles)              int EG1Sustain; // Sustain value of the sample amplitude EG (in permilles)
424              double EG1Release; // in timecents              int EG1Release; // in timecents
425    
426              double EG2PreAttackDelay; // in timecents              int EG2PreAttackDelay; // in timecents
427              double EG2Attack; // in timecents              int EG2Attack; // in timecents
428              double EG2Hold; // in timecents              int EG2Hold; // in timecents
429              double EG2Decay; // in timecents              int EG2Decay; // in timecents
430              double EG2Sustain; // Sustain value of the filter cutoff EG (in permilles)              int EG2Sustain; // Sustain value of the filter cutoff EG (in permilles)
431              double EG2Release; // in timecents              int EG2Release; // in timecents
432    
433              Instrument* pParentInstrument;              Instrument* pParentInstrument;
434    
# Line 457  namespace sf2 { Line 446  namespace sf2 {
446    
447              sf2::File* GetFile() { return pFile; }              sf2::File* GetFile() { return pFile; }
448              String     GetName() { return Name; }              String     GetName() { return Name; }
449                
450              int      GetRegionCount();              int      GetRegionCount();
451              Region*  GetRegion(int idx);              Region*  GetRegion(int idx);
452    
# Line 476  namespace sf2 { Line 465  namespace sf2 {
465              void DeleteRegion(Region* pRegion);              void DeleteRegion(Region* pRegion);
466          //private:          //private:
467              uint16_t InstBagNdx;              uint16_t InstBagNdx;
468                
469              /**              /**
470               * Load all regions (zones, bags) in the range idx1 - idx2               * Load all regions (zones, bags) in the range idx1 - idx2
471               */               */
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