/[svn]/linuxsampler/trunk/src/engines/sfz/sfz.h
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revision 2101 by persson, Sun May 30 11:40:31 2010 UTC revision 2230 by iliev, Fri Aug 5 17:59:10 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                short int Curve;
91                float     Influence;   ///< Controller Value.
92                
93                CC(uint8_t Controller = 0, float Influence = 0.0f, short int Curve = -1) {
94                    this->Controller = Controller;
95                    this->Influence  = Influence;
96                    this->Curve      = Curve;
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                    Curve      = cc.Curve;
106                }
107        };
108    
109      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
110      // class Exception      // class Exception
# Line 222  namespace sfz Line 247  namespace sfz
247          float level;          float level;
248          float shape;          float shape;
249          float curve;          float curve;
250            LinuxSampler::ArrayList<CC> time_oncc;
251            LinuxSampler::ArrayList<CC> level_oncc;
252            
253          EGNode();          EGNode();
254            EGNode(const EGNode& egNode) { Copy(egNode); }
255            void operator=(const EGNode& egNode) { Copy(egNode); }
256            void Copy(const EGNode& egNode);
257      };      };
258    
259      class EG      class EG
# Line 235  namespace sfz Line 266  namespace sfz
266          float amplitude;          float amplitude;
267          float cutoff;          float cutoff;
268          EG();          EG();
269            EG(const EG& eg) { Copy(eg); }
270            void operator=(const EG& eg) { Copy(eg); }
271            void Copy(const EG& eg);
272        };
273    
274        class LFO
275        {
276        public:
277            float delay; // 0 to 100 seconds
278            float freq; // 0 to 20 Hz
279            float fade; // 0 to 100 seconds
280            float phase; // 0 to 360 degrees
281            uint  wave; // 0 to 4294967296
282            float volume; // -144 to 6 dB
283            int   pitch; // -9600 to 9600 cents
284            int   cutoff; // -9600 to 9600 cents
285            float resonance; // 0 to 40 dB
286            float pan; // -100 to 100 %
287            
288            LinuxSampler::ArrayList<CC> freq_oncc; // 0 to 20 Hz
289            LinuxSampler::ArrayList<CC> fade_oncc; // 0 to 100 seconds
290            LinuxSampler::ArrayList<CC> phase_oncc; // 0 to 360 degrees
291            LinuxSampler::ArrayList<CC> pitch_oncc;
292            
293            LFO();
294            LFO(const LFO& lfo) { Copy(lfo); }
295            void operator=(const LFO& lfo) { Copy(lfo); }
296            void Copy(const LFO& lfo);
297      };      };
298    
299      // Fixed size array with copy-on-write semantics      // Fixed size array with copy-on-write semantics
# Line 297  namespace sfz Line 356  namespace sfz
356          int   lovel;     int   hivel;          int   lovel;     int   hivel;
357          Array<int> locc; Array<int> hicc;          Array<int> locc; Array<int> hicc;
358          int   lobend;    int   hibend;          int   lobend;    int   hibend;
359          int   lobpm;     int   hibpm;          float lobpm;     float hibpm;
360          int   lochanaft; int   hichanaft;          int   lochanaft; int   hichanaft;
361          int   lopolyaft; int   hipolyaft;          int   lopolyaft; int   hipolyaft;
362          int   loprog;    int   hiprog;          int   loprog;    int   hiprog;
# Line 320  namespace sfz Line 379  namespace sfz
379          trigger_t trigger;          trigger_t trigger;
380    
381          uint group;          uint group;
382          optional<int> off_by;          uint off_by;
383          off_mode_t off_mode;          off_mode_t off_mode;
384    
385          Array<int> on_locc; Array<int> on_hicc;          Array<int> on_locc; Array<int> on_hicc;
# Line 366  namespace sfz Line 425  namespace sfz
425          filter_t fil_type; filter_t fil2_type;          filter_t fil_type; filter_t fil2_type;
426          optional<float> cutoff; optional<float> cutoff2;          optional<float> cutoff; optional<float> cutoff2;
427          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;
428            int cutoff_cc; // TODO: this is just a temporary fix to avoid
429                           // looping through the cutoff_oncc array
430          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;
431          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;
432          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;
# Line 393  namespace sfz Line 454  namespace sfz
454    
455          //Deprecated (from version 1)          //Deprecated (from version 1)
456          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;
457            float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release;
458            LinuxSampler::ArrayList<CC> ampeg_delaycc, ampeg_startcc, ampeg_attackcc, ampeg_holdcc;
459            LinuxSampler::ArrayList<CC> ampeg_decaycc, ampeg_sustaincc, ampeg_releasecc;
460          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;
461            float fileg_vel2delay, fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain, fileg_vel2release;
462          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;
463            float pitcheg_vel2delay, pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay, pitcheg_vel2sustain, pitcheg_vel2release;
464            int   fileg_depth, pitcheg_depth;
465          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;
466          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;
467          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;
468          int pitchlfo_depth;          int pitchlfo_depth;
469            Array<int> pitchlfo_depthcc;
470            
471            LinuxSampler::ArrayList<CC> pitchlfo_freqcc; // 0 to 20 Hz
472            LinuxSampler::ArrayList<CC> fillfo_freqcc; // 0 to 20 Hz
473            LinuxSampler::ArrayList<CC> amplfo_freqcc; // 0 to 20 Hz
474    
475          // envelope generators          // envelope generators
476          LinuxSampler::ArrayList<EG> eg;          LinuxSampler::ArrayList<EG> eg;
477    
478            // low frequency oscillators
479            LinuxSampler::ArrayList<LFO> lfos;
480            
481            LinuxSampler::ArrayList<CC> volume_oncc;
482            LinuxSampler::ArrayList<CC> volume_curvecc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
483      };      };
484    
485      class Query {      class Query {
486      public:      public:
         Query(const Instrument& instrument);  
         Region* next();  
487          uint8_t chan;        // MIDI channel          uint8_t chan;        // MIDI channel
488          uint8_t key;         // MIDI note      TODO: or controller          uint8_t key;         // MIDI note
489          uint8_t vel;         // MIDI velocity          uint8_t vel;         // MIDI velocity
490          int bend;            // MIDI pitch bend          int bend;            // MIDI pitch bend
491          uint8_t bpm;         // host BPM          uint8_t bpm;         // host BPM
# Line 423  namespace sfz Line 499  namespace sfz
499          bool* sw;            // state of region key switches, 128 possible values          bool* sw;            // state of region key switches, 128 possible values
500          uint8_t last_sw_key; // last key pressed in the key switch range          uint8_t last_sw_key; // last key pressed in the key switch range
501          uint8_t prev_sw_key; // previous note value          uint8_t prev_sw_key; // previous note value
502    
503            void search(const Instrument* pInstrument);
504            void search(const Instrument* pInstrument, int triggercc);
505            Region* next();
506      private:      private:
507          std::vector<Region*>::const_iterator i;          LinuxSampler::ArrayList<Region*>* pRegionList;
508          std::vector<Region*>::const_iterator regions_end;          int regionIndex;
509      };      };
510    
511      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 452  namespace sfz Line 532  namespace sfz
532          uint GetLoopEnd();          uint GetLoopEnd();
533          uint GetLoopCount();          uint GetLoopCount();
534    
535          /// Return true if region is triggered by key          /// Return true if region is triggered by key. Region is
536            /// assumed to come from a search in the lookup table.
537          bool OnKey(const Query& q);          bool OnKey(const Query& q);
538    
         /// 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);  
   
539          /// Return an articulation for the current state          /// Return an articulation for the current state
540          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);
541    
# Line 471  namespace sfz Line 546  namespace sfz
546          Instrument* pInstrument;          Instrument* pInstrument;
547          int seq_counter;          int seq_counter;
548      };      };
549        
550        class Curve {
551            public:
552                float v[128];
553                Curve() { for (int i = 0; i < 128; i++) v[i] = 0; }
554                Curve(const Curve& curve) { Copy(curve); }
555                void operator=(const Curve& curve) { Copy(curve); }
556                void Copy(const Curve& curve) { for (int i = 0; i < 128; i++) v[i] = curve.v[i]; }
557        };
558    
559      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
560      // class Instrument      // class Instrument
# Line 491  namespace sfz Line 575  namespace sfz
575    
576          /// List of Regions belonging to this Instrument          /// List of Regions belonging to this Instrument
577          std::vector<Region*> regions;          std::vector<Region*> regions;
578            ::LinuxSampler::ArrayList<Curve> curves;
579    
580          friend class sfz::File;          friend class File;
581            friend class Query;
582    
583      private:      private:
584          std::string name;          std::string name;
585          std::vector<bool> KeyBindings;          std::vector<bool> KeyBindings;
586          std::vector<bool> KeySwitchBindings;          std::vector<bool> KeySwitchBindings;
587          SampleManager* pSampleManager;          SampleManager* pSampleManager;
588            LookupTable* pLookupTable;
589            LookupTable* pLookupTableCC[128];
590      };      };
591    
592      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 543  namespace sfz Line 631  namespace sfz
631          int parseKey(const std::string& value);          int parseKey(const std::string& value);
632          EG& eg(int x);          EG& eg(int x);
633          EGNode& egnode(int x, int y);          EGNode& egnode(int x, int y);
634            LFO& lfo(int x);
635            void copyCurves(LinuxSampler::ArrayList<CC>& curves, LinuxSampler::ArrayList<CC>& dest);
636    
637          std::string currentDir;          std::string currentDir;
638          /// Pointer to the Instrument belonging to this file          /// Pointer to the Instrument belonging to this file
639          Instrument* _instrument;          Instrument* _instrument;
640    
641          // state variables          // state variables
642          enum section_t { UNKNOWN, GROUP, REGION, CONTROL };          enum section_t { UNKNOWN, GROUP, REGION, CONTROL, CURVE };
643          section_t _current_section;          section_t _current_section;
644          Region* _current_region;          Region* _current_region;
645          Group* _current_group;          Group* _current_group;
646            Curve* _current_curve;
647          Definition* pCurDef;          Definition* pCurDef;
648    
649          // control header directives          // control header directives
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