/[svn]/linuxsampler/trunk/src/engines/sfz/sfz.h
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revision 2072 by persson, Sat Mar 20 11:37:52 2010 UTC revision 2226 by iliev, Wed Aug 3 09:12:09 2011 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2008 Anders Dahnielson <anders@dahnielson.com>          *   *   Copyright (C) 2008 Anders Dahnielson <anders@dahnielson.com>          *
6   *   Copyright (C) 2009 - 2010 Anders Dahnielson and Grigor Iliev          *   *   Copyright (C) 2009 - 2011 Anders Dahnielson and Grigor Iliev          *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
9   *   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 47  namespace sfz Line 47  namespace sfz
47      class Group;      class Group;
48      class Instrument;      class Instrument;
49      class File;      class File;
50        class LookupTable;
51    
52      class Sample : public LinuxSampler::SampleFileBase<Region> {      class Sample : public LinuxSampler::SampleFileBase<Region> {
53          public:          public:
54              Sample(String File, bool DontClose = false) : LinuxSampler::SampleFileBase<Region>(File, DontClose) { }              Sample(String File, bool DontClose = false, uint offset = 0): LinuxSampler::SampleFileBase<Region>(File, DontClose) {
55                    Offset = offset;
56                }
57              virtual ~Sample() { }              virtual ~Sample() { }
58      };      };
59    
60      // Enumerations      // Enumerations
61      enum sw_vel_t    { VEL_CURRENT, VEL_PREVIOUS };      enum sw_vel_t    { VEL_CURRENT, VEL_PREVIOUS };
62      enum off_mode_t  { OFF_FAST, OFF_NORMAL };      enum off_mode_t  { OFF_FAST, OFF_NORMAL };
63      enum loop_mode_t { NO_LOOP, ONE_SHOT, LOOP_CONTINUOUS, LOOP_SUSTAIN };      enum loop_mode_t { NO_LOOP, ONE_SHOT, LOOP_CONTINUOUS, LOOP_SUSTAIN, LOOP_UNSET };
64      enum curve_t     { GAIN, POWER };      enum curve_t     { GAIN, POWER };
65      enum filter_t    { LPF_1P, HPF_1P, BPF_1P, BRF_1P, APF_1P,      enum filter_t    { LPF_1P, HPF_1P, BPF_1P, BRF_1P, APF_1P,
66                         LPF_2P, HPF_2P, BPF_2P, BRF_2P, PKF_2P,                         LPF_2P, HPF_2P, BPF_2P, BRF_2P, PKF_2P,
# Line 69  namespace sfz Line 72  namespace sfz
72    
73      class SampleManager : public LinuxSampler::SampleManager<Sample, Region> {      class SampleManager : public LinuxSampler::SampleManager<Sample, Region> {
74      public:      public:
75          Sample* FindSample(std::string samplePath);          Sample* FindSample(std::string samplePath, int offset);
76    
77      protected:      protected:
78          virtual void OnSampleInUse(Sample* pSample) {          virtual void OnSampleInUse(Sample* pSample) {
# Line 80  namespace sfz Line 83  namespace sfz
83              pSample->Close();              pSample->Close();
84          }          }
85      };      };
86        
87        class CC {
88            public:
89                uint8_t Controller;  ///< MIDI controller number.
90                float   Influence;   ///< Controller Value.
91                
92                CC() { CC(0, 0.0f); }
93                        
94                CC(uint8_t Controller, float Influence) {
95                    this->Controller = Controller;
96                    this->Influence = Influence;
97                }
98                        
99                CC(const CC& cc) { Copy(cc); }
100                void operator=(const CC& cc) { Copy(cc); }
101                        
102                void Copy(const CC& cc) {
103                    Controller = cc.Controller;
104                    Influence = cc.Influence;
105                }
106        };
107    
108      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
109      // class Exception      // class Exception
# Line 237  namespace sfz Line 261  namespace sfz
261          EG();          EG();
262      };      };
263    
264        class LFO
265        {
266        public:
267            float delay; // 0 to 100 seconds
268            float freq; // 0 to 20 Hz
269            float fade; // 0 to 100 seconds
270            float phase; // 0 to 360 degrees
271            uint  wave; // 0 to 4294967296
272            float volume; // -144 to 6 dB
273            int   pitch; // -9600 to 9600 cents
274            int   cutoff; // -9600 to 9600 cents
275            float resonance; // 0 to 40 dB
276            float pan; // -100 to 100 %
277            
278            LinuxSampler::ArrayList<CC> fade_oncc; // 0 to 100 seconds
279            LinuxSampler::ArrayList<CC> phase_oncc; // 0 to 360 degrees
280            LinuxSampler::ArrayList<CC> pitch_oncc;
281            
282            LFO();
283        };
284    
285        // Fixed size array with copy-on-write semantics
286        template<class T>
287        class Array
288        {
289        private:
290            struct Rep {
291                int refcount;
292                T a[128];
293    
294                Rep() : refcount(1) { }
295                static void release(Rep* rep) {
296                    if (!--rep->refcount) delete rep;
297                }
298            } *ptr;
299        public:
300            Array() : ptr(0) { }
301            ~Array() { Rep::release(ptr); }
302    
303            Array& operator=(const Array& array) {
304                if (this != &array) {
305                    ptr = array.ptr;
306                    if (ptr) ptr->refcount++;
307                }
308                return *this;
309            }
310    
311            const T& operator[](int i) const { return ptr->a[i]; }
312    
313            void set(int i, const T& v) {
314                if (!ptr) {
315                    ptr = new Rep;
316                } else if (ptr->refcount > 1 && ptr->a[i] != v) {
317                    Rep* newptr = new Rep(*ptr);
318                    newptr->refcount = 1;
319                    Rep::release(ptr);
320                    ptr = newptr;
321                }
322                ptr->a[i] = v;
323            }
324        };
325    
326      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
327      // class Definition      // class Definition
328    
# Line 254  namespace sfz Line 340  namespace sfz
340          int   lochan;    int   hichan;          int   lochan;    int   hichan;
341          int   lokey;     int   hikey;          int   lokey;     int   hikey;
342          int   lovel;     int   hivel;          int   lovel;     int   hivel;
343          std::vector<int> locc; std::vector<int> hicc;          Array<int> locc; Array<int> hicc;
344          int   lobend;    int   hibend;          int   lobend;    int   hibend;
345          int   lobpm;     int   hibpm;          float lobpm;     float hibpm;
346          int   lochanaft; int   hichanaft;          int   lochanaft; int   hichanaft;
347          int   lopolyaft; int   hipolyaft;          int   lopolyaft; int   hipolyaft;
348          int   loprog;    int   hiprog;          int   loprog;    int   hiprog;
# Line 266  namespace sfz Line 352  namespace sfz
352          int seq_length;          int seq_length;
353          int seq_position;          int seq_position;
354    
355          std::vector<int> start_locc; std::vector<int> start_hicc;          Array<int> start_locc; Array<int> start_hicc;
356          std::vector<int> stop_locc;  std::vector<int> stop_hicc;          Array<int> stop_locc;  Array<int> stop_hicc;
357    
358          int sw_lokey;    int sw_hikey;          int sw_lokey;    int sw_hikey;
359          int sw_last;          int sw_last;
# Line 279  namespace sfz Line 365  namespace sfz
365          trigger_t trigger;          trigger_t trigger;
366    
367          uint group;          uint group;
368          optional<int> off_by;          uint off_by;
369          off_mode_t off_mode;          off_mode_t off_mode;
370    
371          std::vector<int> on_locc; std::vector<int> on_hicc;          Array<int> on_locc; Array<int> on_hicc;
372    
373          // sample player          // sample player
374          optional<int> count;          optional<int> count;
375          optional<float> delay; optional<float> delay_random; std::vector<optional<float> > delay_oncc;          optional<float> delay; optional<float> delay_random; Array<optional<float> > delay_oncc;
376          optional<int> delay_beats; optional<int> stop_beats;          optional<int> delay_beats; optional<int> stop_beats;
377          optional<int> delay_samples; std::vector<optional<int> > delay_samples_oncc;          optional<int> delay_samples; Array<optional<int> > delay_samples_oncc;
378          optional<int> end;          optional<int> end;
379          optional<float> loop_crossfade;          optional<float> loop_crossfade;
380          optional<int> offset; optional<int> offset_random; std::vector<optional<int> > offset_oncc;          optional<int> offset; optional<int> offset_random; Array<optional<int> > offset_oncc;
381          loop_mode_t loop_mode;          loop_mode_t loop_mode;
382          optional<int> loop_start; optional<int> loop_end;          optional<int> loop_start; optional<int> loop_end;
383          optional<int> sync_beats;          optional<int> sync_beats;
# Line 302  namespace sfz Line 388  namespace sfz
388          float pan;          float pan;
389          float width;          float width;
390          float position;          float position;
391          float amp_keytrack; int amp_keycenter; float amp_veltrack; std::vector<float> amp_velcurve_; float amp_random;          float amp_keytrack; int amp_keycenter; float amp_veltrack; Array<float> amp_velcurve; float amp_random;
392          float rt_decay;          float rt_decay;
393          std::vector<float> gain_oncc;          Array<float> gain_oncc;
394          int xfin_lokey; int xfin_hikey;          int xfin_lokey; int xfin_hikey;
395          int xfout_lokey; int xfout_hikey;          int xfout_lokey; int xfout_hikey;
396          curve_t xf_keycurve;          curve_t xf_keycurve;
397          int xfin_lovel; int xfin_hivel;          int xfin_lovel; int xfin_hivel;
398          int xfout_lovel; int xfout_hivel;          int xfout_lovel; int xfout_hivel;
399          curve_t xf_velcurve;          curve_t xf_velcurve;
400          std::vector<int> xfin_locc; std::vector<int> xfin_hicc;          Array<int> xfin_locc; Array<int> xfin_hicc;
401          std::vector<int> xfout_locc; std::vector<int> xfout_hicc;          Array<int> xfout_locc; Array<int> xfout_hicc;
402          curve_t xf_cccurve;          curve_t xf_cccurve;
403    
404          // pitch          // pitch
# Line 324  namespace sfz Line 410  namespace sfz
410          // filter          // filter
411          filter_t fil_type; filter_t fil2_type;          filter_t fil_type; filter_t fil2_type;
412          optional<float> cutoff; optional<float> cutoff2;          optional<float> cutoff; optional<float> cutoff2;
413          std::vector<int> cutoff_oncc; std::vector<int> cutoff2_oncc;          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;
414          std::vector<int> cutoff_smoothcc; std::vector<int> cutoff2_smoothcc;          int cutoff_cc; // TODO: this is just a temporary fix to avoid
415          std::vector<int> cutoff_stepcc; std::vector<int> cutoff2_stepcc;                         // looping through the cutoff_oncc array
416          std::vector<int> cutoff_curvecc; std::vector<int> cutoff2_curvecc;          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;
417            Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;
418            Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;
419          int cutoff_chanaft; int cutoff2_chanaft;          int cutoff_chanaft; int cutoff2_chanaft;
420          int cutoff_polyaft; int cutoff2_polyaft;          int cutoff_polyaft; int cutoff2_polyaft;
421          float resonance; float resonance2;          float resonance; float resonance2;
422          std::vector<int> resonance_oncc; std::vector<int> resonance2_oncc;          Array<int> resonance_oncc; Array<int> resonance2_oncc;
423          std::vector<int> resonance_smoothcc; std::vector<int> resonance2_smoothcc;          Array<int> resonance_smoothcc; Array<int> resonance2_smoothcc;
424          std::vector<int> resonance_stepcc; std::vector<int> resonance2_stepcc;          Array<int> resonance_stepcc; Array<int> resonance2_stepcc;
425          std::vector<int> resonance_curvecc; std::vector<int> resonance2_curvecc;          Array<int> resonance_curvecc; Array<int> resonance2_curvecc;
426          int fil_keytrack; int fil2_keytrack;          int fil_keytrack; int fil2_keytrack;
427          int fil_keycenter; int fil2_keycenter;          int fil_keycenter; int fil2_keycenter;
428          int fil_veltrack; int fil2_veltrack;          int fil_veltrack; int fil2_veltrack;
# Line 342  namespace sfz Line 430  namespace sfz
430    
431          // per voice equalizer          // per voice equalizer
432          float eq1_freq; float eq2_freq; float eq3_freq;          float eq1_freq; float eq2_freq; float eq3_freq;
433          std::vector<float> eq1_freq_oncc; std::vector<float> eq2_freq_oncc; std::vector<float> eq3_freq_oncc;          Array<float> eq1_freq_oncc; Array<float> eq2_freq_oncc; Array<float> eq3_freq_oncc;
434          float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq;          float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq;
435          float eq1_bw; float eq2_bw; float eq3_bw;          float eq1_bw; float eq2_bw; float eq3_bw;
436          std::vector<float> eq1_bw_oncc; std::vector<float> eq2_bw_oncc; std::vector<float> eq3_bw_oncc;          Array<float> eq1_bw_oncc; Array<float> eq2_bw_oncc; Array<float> eq3_bw_oncc;
437          float eq1_gain; float eq2_gain; float eq3_gain;          float eq1_gain; float eq2_gain; float eq3_gain;
438          std::vector<float> eq1_gain_oncc; std::vector<float> eq2_gain_oncc; std::vector<float> eq3_gain_oncc;          Array<float> eq1_gain_oncc; Array<float> eq2_gain_oncc; Array<float> eq3_gain_oncc;
439          float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain;          float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain;
440    
441          //Deprecated (from version 1)          //Deprecated (from version 1)
442          float ampeg_delay, ampeg_start, ampeg_attack, ampeg_hold, ampeg_decay, ampeg_sustain, ampeg_release;          float ampeg_delay, ampeg_start, ampeg_attack, ampeg_hold, ampeg_decay, ampeg_sustain, ampeg_release;
443            float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release;
444          float fileg_delay, fileg_start, fileg_attack, fileg_hold, fileg_decay, fileg_sustain, fileg_release;          float fileg_delay, fileg_start, fileg_attack, fileg_hold, fileg_decay, fileg_sustain, fileg_release;
445            float fileg_vel2delay, fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain, fileg_vel2release;
446          float pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold, pitcheg_decay, pitcheg_sustain, pitcheg_release;          float pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold, pitcheg_decay, pitcheg_sustain, pitcheg_release;
447            float pitcheg_vel2delay, pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay, pitcheg_vel2sustain, pitcheg_vel2release;
448            int   fileg_depth, pitcheg_depth;
449          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;
450          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;
451          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;
452          int pitchlfo_depth;          int pitchlfo_depth;
453            Array<int> pitchlfo_depthcc;
454    
455          // envelope generators          // envelope generators
456          LinuxSampler::ArrayList<EG> eg;          LinuxSampler::ArrayList<EG> eg;
457    
458            // low frequency oscillators
459            LinuxSampler::ArrayList<LFO> lfos;
460        };
461    
462        class Query {
463        public:
464            uint8_t chan;        // MIDI channel
465            uint8_t key;         // MIDI note
466            uint8_t vel;         // MIDI velocity
467            int bend;            // MIDI pitch bend
468            uint8_t bpm;         // host BPM
469            uint8_t chanaft;     // MIDI channel pressure
470            uint8_t polyaft;     // MIDI polyphonic aftertouch
471            uint8_t prog;        // MIDI program change
472            float rand;          // generated random number
473            trigger_t trig;      // how it was triggered
474            uint8_t* cc;         // all 128 CC values
475            float timer;         // time since previous region in the group was triggered
476            bool* sw;            // state of region key switches, 128 possible values
477            uint8_t last_sw_key; // last key pressed in the key switch range
478            uint8_t prev_sw_key; // previous note value
479    
480            void search(const Instrument* pInstrument);
481            void search(const Instrument* pInstrument, int triggercc);
482            Region* next();
483        private:
484            LinuxSampler::ArrayList<Region*>* pRegionList;
485            int regionIndex;
486      };      };
487    
488      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 387  namespace sfz Line 509  namespace sfz
509          uint GetLoopEnd();          uint GetLoopEnd();
510          uint GetLoopCount();          uint GetLoopCount();
511    
512          /// Return true if region is triggered by key          /// Return true if region is triggered by key. Region is
513          bool OnKey(uint8_t chan, uint8_t key, uint8_t vel,          /// assumed to come from a search in the lookup table.
514                 int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft,          bool OnKey(const Query& q);
                uint8_t prog, float rand, trigger_t trig, uint8_t* cc,  
                float timer, bool* sw, uint8_t last_sw_key, uint8_t prev_sw_key);  
   
         /// Return true if region is triggered by control change  
         bool OnControl(uint8_t chan, uint8_t cont, uint8_t val,  
                    int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft,  
                    uint8_t prog, float rand, trigger_t trig, uint8_t* cc,  
                    float timer, bool* sw, uint8_t last_sw_key, uint8_t prev_sw_key);  
515    
516          /// Return an articulation for the current state          /// Return an articulation for the current state
517           Articulation* GetArticulation(int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft, uint8_t* cc);          Articulation* GetArticulation(int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft, uint8_t* cc);
518    
519          // unique region id          // unique region id
520          int id;          int id;
# Line 423  namespace sfz Line 537  namespace sfz
537          std::string GetName() { return name; }          std::string GetName() { return name; }
538          SampleManager* GetSampleManager() { return pSampleManager; }          SampleManager* GetSampleManager() { return pSampleManager; }
539    
         /**  
          * @returns All regions that are triggered by key  
          */  
         std::vector<Region*> GetRegionsOnKey (  
             uint8_t chan, uint8_t key, uint8_t vel,  
             int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft,  
             uint8_t prog, float rand, trigger_t trig, uint8_t* cc,  
             float timer, bool* sw, uint8_t last_sw_key, uint8_t prev_sw_key  
         );  
   
540          bool DestroyRegion(Region* pRegion);          bool DestroyRegion(Region* pRegion);
541          bool HasKeyBinding(uint8_t key);          bool HasKeyBinding(uint8_t key);
542          bool HasKeySwitchBinding(uint8_t key);          bool HasKeySwitchBinding(uint8_t key);
# Line 440  namespace sfz Line 544  namespace sfz
544          /// List of Regions belonging to this Instrument          /// List of Regions belonging to this Instrument
545          std::vector<Region*> regions;          std::vector<Region*> regions;
546    
547          friend class sfz::File;          friend class File;
548            friend class Query;
549    
550      private:      private:
551          std::string name;          std::string name;
552          std::vector<bool> KeyBindings;          std::vector<bool> KeyBindings;
553          std::vector<bool> KeySwitchBindings;          std::vector<bool> KeySwitchBindings;
554          SampleManager* pSampleManager;          SampleManager* pSampleManager;
555            LookupTable* pLookupTable;
556            LookupTable* pLookupTableCC[128];
557      };      };
558    
559      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 491  namespace sfz Line 598  namespace sfz
598          int parseKey(const std::string& value);          int parseKey(const std::string& value);
599          EG& eg(int x);          EG& eg(int x);
600          EGNode& egnode(int x, int y);          EGNode& egnode(int x, int y);
601            LFO& lfo(int x);
602    
603          std::string currentDir;          std::string currentDir;
604          /// Pointer to the Instrument belonging to this file          /// Pointer to the Instrument belonging to this file
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