/[svn]/libgig/trunk/src/SF.h
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revision 2025 by schoenebeck, Sun Nov 1 10:46:00 2009 UTC revision 2026 by iliev, Tue Nov 3 19:08:44 2009 UTC
# Line 74  Line 74 
74  #define CHUNK_ID_IGEN   RIFF_ID("igen")  #define CHUNK_ID_IGEN   RIFF_ID("igen")
75  #define CHUNK_ID_SHDR   RIFF_ID("shdr")  #define CHUNK_ID_SHDR   RIFF_ID("shdr")
76    
 #define NONE 0x1ffffff  
   
77  /** SoundFont specific classes and definitions */  /** SoundFont specific classes and definitions */
78  namespace sf2 {  namespace sf2 {
79        
80        static uint NONE = 0x1ffffff;
81    
82      typedef struct _PresetBag {      typedef struct _PresetBag {
83          uint16_t GenNdx;          uint16_t GenNdx;
84          uint16_t ModNdx;          uint16_t ModNdx;
# Line 366  namespace sf2 { Line 366  namespace sf2 {
366              int startAddrsOffset, startAddrsCoarseOffset, endAddrsOffset, endAddrsCoarseOffset;              int startAddrsOffset, startAddrsCoarseOffset, endAddrsOffset, endAddrsCoarseOffset;
367              int startloopAddrsOffset, startloopAddrsCoarseOffset, endloopAddrsOffset, endloopAddrsCoarseOffset;              int startloopAddrsOffset, startloopAddrsCoarseOffset, endloopAddrsOffset, endloopAddrsCoarseOffset;
368    
369              double EG1PreAttackDelay;              int modEnvToPitch, modLfoToPitch, modEnvToFilterFc, modLfoToFilterFc, modLfoToVolume, freqModLfo;
370              double EG1Attack;              double delayModLfo;
371              double EG1Hold;              int vibLfoToPitch, freqVibLfo;
372              double EG1Decay;              double delayVibLfo;
             double EG1Sustain; // Sustain value of the sample amplitude EG (in permilles)  
             double EG1Release;  
373    
374              double EG2PreAttackDelay;              uint exclusiveClass; // exclusive group
             double EG2Attack;  
             double EG2Hold;  
             double EG2Decay;  
             double EG2Sustain; // Sustain value of the filter cutoff EG (in permilles)  
             double EG2Release;  
375    
376              Sample* pSample;              Sample* pSample;
377              bool    HasLoop;              bool    HasLoop;
# Line 392  namespace sf2 { Line 385  namespace sf2 {
385    
386              int GetUnityNote();              int GetUnityNote();
387    
388                /**
389                 * @returns The instrument to which this region belongs, or
390                 * NULL if it's preset region.
391                 */
392                Instrument* GetParentInstrument() { return pParentInstrument; }
393    
394              std::vector<ModulatorItem> modulators;              std::vector<ModulatorItem> modulators;
395    
396    
397                // Instrument can be referenced by more than one presets so we need to calculate values on the fly
398                int    GetPan(Region* pPresetRegion = NULL); // -64 - +63
399                int    GetFineTune(Region* pPresetRegion = NULL); // -99 - +99
400                int    GetCoarseTune(Region* pPresetRegion = NULL); // -120 - +120
401                double GetEG1PreAttackDelay(Region* pPresetRegion = NULL); // in seconds
402                double GetEG1Attack(Region* pPresetRegion = NULL); // in seconds
403                double GetEG1Hold(Region* pPresetRegion = NULL); // in seconds
404                double GetEG1Decay(Region* pPresetRegion = NULL); // in seconds
405                double GetEG1Sustain(Region* pPresetRegion = NULL); // Sustain value of the sample amplitude EG (in permilles)
406                double GetEG1Release(Region* pPresetRegion = NULL); // in seconds
407    
408                double GetEG2PreAttackDelay(Region* pPresetRegion = NULL); // in seconds
409                double GetEG2Attack(Region* pPresetRegion = NULL); // in seconds
410                double GetEG2Hold(Region* pPresetRegion = NULL); // in seconds
411                double GetEG2Decay(Region* pPresetRegion = NULL); // in seconds
412                double GetEG2Sustain(Region* pPresetRegion = NULL); // Sustain value of the filter cutoff EG (in permilles)
413                double GetEG2Release(Region* pPresetRegion = NULL); // in seconds
414    
415                int    GetModEnvToPitch(Region* pPresetRegion = NULL);
416                int    GetModLfoToPitch(Region* pPresetRegion = NULL);
417                int    GetModEnvToFilterFc(Region* pPresetRegion = NULL);
418                int    GetModLfoToFilterFc(Region* pPresetRegion = NULL);
419                double GetModLfoToVolume(Region* pPresetRegion = NULL); // in permilles
420                double GetFreqModLfo(Region* pPresetRegion = NULL); // in Hz
421                double GetDelayModLfo(Region* pPresetRegion = NULL); // in seconds
422                int    GetVibLfoToPitch(Region* pPresetRegion = NULL);
423                double GetFreqVibLfo(Region* pPresetRegion = NULL); // in Hz
424                double GetDelayVibLfo(Region* pPresetRegion = NULL); // in seconds
425    
426              friend class Instrument;              friend class Instrument;
427              friend class Preset;              friend class Preset;
428    
429          private:          private:
430                double EG1PreAttackDelay; // in timecents
431                double EG1Attack; // in timecents
432                double EG1Hold; // in timecents
433                double EG1Decay; // in timecents
434                double EG1Sustain; // Sustain value of the sample amplitude EG (in permilles)
435                double EG1Release; // in timecents
436    
437                double EG2PreAttackDelay; // in timecents
438                double EG2Attack; // in timecents
439                double EG2Hold; // in timecents
440                double EG2Decay; // in timecents
441                double EG2Sustain; // Sustain value of the filter cutoff EG (in permilles)
442                double EG2Release; // in timecents
443    
444                Instrument* pParentInstrument;
445    
446              void SetGenerator(sf2::File* pFile, GenList& Gen);              void SetGenerator(sf2::File* pFile, GenList& Gen);
447              void SetModulator(sf2::File* pFile, ModList& Mod);              void SetModulator(sf2::File* pFile, ModList& Mod);
448      };      };
# Line 459  namespace sf2 { Line 504  namespace sf2 {
504               * Load all regions (zones, bags) in the range idx1 - idx2               * Load all regions (zones, bags) in the range idx1 - idx2
505               */               */
506              void LoadRegions(int idx1, int idx2);              void LoadRegions(int idx1, int idx2);
507    
508                Region* CreateRegion();
509      };      };
510    
511      class File {      class File {
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