/[svn]/libgig/trunk/src/SF.h
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revision 2044 by persson, Sun Jan 10 12:58:51 2010 UTC revision 2780 by schoenebeck, Thu Jul 2 20:04:16 2015 UTC
# Line 63  namespace sf2 { Line 63  namespace sf2 {
63    
64      static uint NONE = 0x1ffffff;      static uint NONE = 0x1ffffff;
65    
66        double ToSeconds(int Timecents);
67        double ToRatio(int Centibels);
68        double ToHz(int cents);
69    
70      typedef struct _PresetBag {      typedef struct _PresetBag {
71          uint16_t GenNdx;          uint16_t GenNdx;
72          uint16_t ModNdx;          uint16_t ModNdx;
# Line 137  namespace sf2 { Line 141  namespace sf2 {
141          HOLD_MOD_ENV,          HOLD_MOD_ENV,
142          DECAY_MOD_ENV,          DECAY_MOD_ENV,
143          SUSTAIN_MOD_ENV,          SUSTAIN_MOD_ENV,
144          RELEASEMODENV, // 30          RELEASE_MOD_ENV, // 30
145          KEYNUM_TO_MOD_ENV_HOLD,          KEYNUM_TO_MOD_ENV_HOLD,
146          KEYNUM_TO_MOD_ENV_DECAY,          KEYNUM_TO_MOD_ENV_DECAY,
147          DELAY_VOL_ENV,          DELAY_VOL_ENV,
# Line 309  namespace sf2 { Line 313  namespace sf2 {
313              unsigned long SetPos(unsigned long SampleCount);              unsigned long SetPos(unsigned long SampleCount);
314              unsigned long GetPos();              unsigned long GetPos();
315              unsigned long Read(void* pBuffer, unsigned long SampleCount);              unsigned long Read(void* pBuffer, unsigned long SampleCount);
316                unsigned long ReadNoClear(void* pBuffer, unsigned long SampleCount, buffer_t& tempBuffer);
317    
318              unsigned long ReadAndLoop (              unsigned long ReadAndLoop (
319                  void*           pBuffer,                  void*           pBuffer,
# Line 355  namespace sf2 { Line 360  namespace sf2 {
360              int startAddrsOffset, startAddrsCoarseOffset, endAddrsOffset, endAddrsCoarseOffset;              int startAddrsOffset, startAddrsCoarseOffset, endAddrsOffset, endAddrsCoarseOffset;
361              int startloopAddrsOffset, startloopAddrsCoarseOffset, endloopAddrsOffset, endloopAddrsCoarseOffset;              int startloopAddrsOffset, startloopAddrsCoarseOffset, endloopAddrsOffset, endloopAddrsCoarseOffset;
362    
363              int modEnvToPitch, modLfoToPitch, modEnvToFilterFc, modLfoToFilterFc, modLfoToVolume, freqModLfo;              int modEnvToPitch , modLfoToPitch, modEnvToFilterFc, modLfoToFilterFc; // in cents
364              int delayModLfo;              int modLfoToVolume /* in centibels */, freqModLfo /* in absolute cents */;
365              int vibLfoToPitch, freqVibLfo;              int delayModLfo; // in absolute timecents
366              int delayVibLfo;              int vibLfoToPitch, freqVibLfo /* in absolute cents */;
367                int delayVibLfo; // in absolute timecents
368                int initialFilterFc  /* in absolute cents */, initialFilterQ /* in centibels */;
369    
370              uint exclusiveClass; // exclusive group              uint exclusiveClass; // exclusive group
371    
# Line 391  namespace sf2 { Line 398  namespace sf2 {
398              double GetEG1Attack(Region* pPresetRegion = NULL); // in seconds              double GetEG1Attack(Region* pPresetRegion = NULL); // in seconds
399              double GetEG1Hold(Region* pPresetRegion = NULL); // in seconds              double GetEG1Hold(Region* pPresetRegion = NULL); // in seconds
400              double GetEG1Decay(Region* pPresetRegion = NULL); // in seconds              double GetEG1Decay(Region* pPresetRegion = NULL); // in seconds
401              double GetEG1Sustain(Region* pPresetRegion = NULL); // Sustain value of the sample amplitude EG (in permilles)              int    GetEG1Sustain(Region* pPresetRegion = NULL); // Sustain value of the sample amplitude EG (the decrease in level, expressed in centibels)
402              double GetEG1Release(Region* pPresetRegion = NULL); // in seconds              double GetEG1Release(Region* pPresetRegion = NULL); // in seconds
403    
404              double GetEG2PreAttackDelay(Region* pPresetRegion = NULL); // in seconds              double GetEG2PreAttackDelay(Region* pPresetRegion = NULL); // in seconds
405              double GetEG2Attack(Region* pPresetRegion = NULL); // in seconds              double GetEG2Attack(Region* pPresetRegion = NULL); // in seconds
406              double GetEG2Hold(Region* pPresetRegion = NULL); // in seconds              double GetEG2Hold(Region* pPresetRegion = NULL); // in seconds
407              double GetEG2Decay(Region* pPresetRegion = NULL); // in seconds              double GetEG2Decay(Region* pPresetRegion = NULL); // in seconds
408              double GetEG2Sustain(Region* pPresetRegion = NULL); // Sustain value of the filter cutoff EG (in permilles)              int    GetEG2Sustain(Region* pPresetRegion = NULL); // Sustain value of the filter cutoff EG (in permilles)
409              double GetEG2Release(Region* pPresetRegion = NULL); // in seconds              double GetEG2Release(Region* pPresetRegion = NULL); // in seconds
410    
411              int    GetModEnvToPitch(Region* pPresetRegion = NULL);              int    GetModEnvToPitch(Region* pPresetRegion = NULL); // in cents
412              int    GetModLfoToPitch(Region* pPresetRegion = NULL);              int    GetModLfoToPitch(Region* pPresetRegion = NULL); // in cents
413              int    GetModEnvToFilterFc(Region* pPresetRegion = NULL);              int    GetModEnvToFilterFc(Region* pPresetRegion = NULL); // in cents
414              int    GetModLfoToFilterFc(Region* pPresetRegion = NULL);              int    GetModLfoToFilterFc(Region* pPresetRegion = NULL); // in cents
415              double GetModLfoToVolume(Region* pPresetRegion = NULL); // in permilles              double GetModLfoToVolume(Region* pPresetRegion = NULL); // in centibels
416              double GetFreqModLfo(Region* pPresetRegion = NULL); // in Hz              double GetFreqModLfo(Region* pPresetRegion = NULL); // in Hz
417              double GetDelayModLfo(Region* pPresetRegion = NULL); // in seconds              double GetDelayModLfo(Region* pPresetRegion = NULL); // in seconds
418              int    GetVibLfoToPitch(Region* pPresetRegion = NULL);              int    GetVibLfoToPitch(Region* pPresetRegion = NULL); // in cents
419              double GetFreqVibLfo(Region* pPresetRegion = NULL); // in Hz              double GetFreqVibLfo(Region* pPresetRegion = NULL); // in Hz
420              double GetDelayVibLfo(Region* pPresetRegion = NULL); // in seconds              double GetDelayVibLfo(Region* pPresetRegion = NULL); // in seconds
421                int    GetInitialFilterFc(Region* pPresetRegion); // in absolute cents
422                int    GetInitialFilterQ(Region* pPresetRegion); // in centibels
423    
424              friend class Instrument;              friend class Instrument;
425              friend class Preset;              friend class Preset;
# Line 420  namespace sf2 { Line 429  namespace sf2 {
429              int EG1Attack; // in timecents              int EG1Attack; // in timecents
430              int EG1Hold; // in timecents              int EG1Hold; // in timecents
431              int EG1Decay; // in timecents              int EG1Decay; // in timecents
432              int EG1Sustain; // Sustain value of the sample amplitude EG (in permilles)              int EG1Sustain; // Sustain value (the decrease in level, expressed in centibels)
433              int EG1Release; // in timecents              int EG1Release; // in timecents
434    
435              int EG2PreAttackDelay; // in timecents              int EG2PreAttackDelay; // in timecents
# Line 450  namespace sf2 { Line 459  namespace sf2 {
459              int      GetRegionCount();              int      GetRegionCount();
460              Region*  GetRegion(int idx);              Region*  GetRegion(int idx);
461    
             std::vector<Region*> GetRegionsOnKey(int key, uint8_t vel);  
   
462          protected:          protected:
463              std::vector<Region*> regions;              std::vector<Region*> regions;
464              sf2::File* pFile;              sf2::File* pFile;
465      };      };
466    
467        class Query {
468            public:
469                int key;
470                uint8_t vel;
471    
472                Query(InstrumentBase& instrument);
473                Region* next();
474    
475            private:
476                InstrumentBase& instrument;
477                int i;
478        };
479    
480      class Instrument : public InstrumentBase {      class Instrument : public InstrumentBase {
481          public:          public:
482              Instrument(sf2::File* pFile, RIFF::Chunk* ck);              Instrument(sf2::File* pFile, RIFF::Chunk* ck);
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