/[svn]/linuxsampler/trunk/src/engines/sfz/sfz.h
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revision 2091 by persson, Sat May 15 09:02:31 2010 UTC revision 2227 by iliev, Wed Aug 3 17:11:40 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> freq_oncc; // 0 to 20 Hz
279            LinuxSampler::ArrayList<CC> fade_oncc; // 0 to 100 seconds
280            LinuxSampler::ArrayList<CC> phase_oncc; // 0 to 360 degrees
281            LinuxSampler::ArrayList<CC> pitch_oncc;
282            
283            LFO();
284        };
285    
286      // Fixed size array with copy-on-write semantics      // Fixed size array with copy-on-write semantics
287      template<class T>      template<class T>
288      class Array      class Array
# Line 297  namespace sfz Line 343  namespace sfz
343          int   lovel;     int   hivel;          int   lovel;     int   hivel;
344          Array<int> locc; Array<int> hicc;          Array<int> locc; Array<int> hicc;
345          int   lobend;    int   hibend;          int   lobend;    int   hibend;
346          int   lobpm;     int   hibpm;          float lobpm;     float hibpm;
347          int   lochanaft; int   hichanaft;          int   lochanaft; int   hichanaft;
348          int   lopolyaft; int   hipolyaft;          int   lopolyaft; int   hipolyaft;
349          int   loprog;    int   hiprog;          int   loprog;    int   hiprog;
# Line 320  namespace sfz Line 366  namespace sfz
366          trigger_t trigger;          trigger_t trigger;
367    
368          uint group;          uint group;
369          optional<int> off_by;          uint off_by;
370          off_mode_t off_mode;          off_mode_t off_mode;
371    
372          Array<int> on_locc; Array<int> on_hicc;          Array<int> on_locc; Array<int> on_hicc;
# Line 366  namespace sfz Line 412  namespace sfz
412          filter_t fil_type; filter_t fil2_type;          filter_t fil_type; filter_t fil2_type;
413          optional<float> cutoff; optional<float> cutoff2;          optional<float> cutoff; optional<float> cutoff2;
414          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;
415            int cutoff_cc; // TODO: this is just a temporary fix to avoid
416                           // looping through the cutoff_oncc array
417          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;
418          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;
419          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;
# Line 393  namespace sfz Line 441  namespace sfz
441    
442          //Deprecated (from version 1)          //Deprecated (from version 1)
443          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;
444            float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release;
445          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;
446            float fileg_vel2delay, fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain, fileg_vel2release;
447          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;
448            float pitcheg_vel2delay, pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay, pitcheg_vel2sustain, pitcheg_vel2release;
449            int   fileg_depth, pitcheg_depth;
450          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;
451          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;
452          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;
453          int pitchlfo_depth;          int pitchlfo_depth;
454            Array<int> pitchlfo_depthcc;
455            
456            LinuxSampler::ArrayList<CC> pitchlfo_freqcc; // 0 to 20 Hz
457            LinuxSampler::ArrayList<CC> fillfo_freqcc; // 0 to 20 Hz
458            LinuxSampler::ArrayList<CC> amplfo_freqcc; // 0 to 20 Hz
459    
460          // envelope generators          // envelope generators
461          LinuxSampler::ArrayList<EG> eg;          LinuxSampler::ArrayList<EG> eg;
462    
463            // low frequency oscillators
464            LinuxSampler::ArrayList<LFO> lfos;
465        };
466    
467        class Query {
468        public:
469            uint8_t chan;        // MIDI channel
470            uint8_t key;         // MIDI note
471            uint8_t vel;         // MIDI velocity
472            int bend;            // MIDI pitch bend
473            uint8_t bpm;         // host BPM
474            uint8_t chanaft;     // MIDI channel pressure
475            uint8_t polyaft;     // MIDI polyphonic aftertouch
476            uint8_t prog;        // MIDI program change
477            float rand;          // generated random number
478            trigger_t trig;      // how it was triggered
479            uint8_t* cc;         // all 128 CC values
480            float timer;         // time since previous region in the group was triggered
481            bool* sw;            // state of region key switches, 128 possible values
482            uint8_t last_sw_key; // last key pressed in the key switch range
483            uint8_t prev_sw_key; // previous note value
484    
485            void search(const Instrument* pInstrument);
486            void search(const Instrument* pInstrument, int triggercc);
487            Region* next();
488        private:
489            LinuxSampler::ArrayList<Region*>* pRegionList;
490            int regionIndex;
491      };      };
492    
493      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 428  namespace sfz Line 514  namespace sfz
514          uint GetLoopEnd();          uint GetLoopEnd();
515          uint GetLoopCount();          uint GetLoopCount();
516    
517          /// Return true if region is triggered by key          /// Return true if region is triggered by key. Region is
518          bool OnKey(uint8_t chan, uint8_t key, uint8_t vel,          /// assumed to come from a search in the lookup table.
519                 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);  
520    
521          /// Return an articulation for the current state          /// Return an articulation for the current state
522           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);
523    
524          // unique region id          // unique region id
525          int id;          int id;
# Line 464  namespace sfz Line 542  namespace sfz
542          std::string GetName() { return name; }          std::string GetName() { return name; }
543          SampleManager* GetSampleManager() { return pSampleManager; }          SampleManager* GetSampleManager() { return pSampleManager; }
544    
         /**  
          * @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  
         );  
   
545          bool DestroyRegion(Region* pRegion);          bool DestroyRegion(Region* pRegion);
546          bool HasKeyBinding(uint8_t key);          bool HasKeyBinding(uint8_t key);
547          bool HasKeySwitchBinding(uint8_t key);          bool HasKeySwitchBinding(uint8_t key);
# Line 481  namespace sfz Line 549  namespace sfz
549          /// List of Regions belonging to this Instrument          /// List of Regions belonging to this Instrument
550          std::vector<Region*> regions;          std::vector<Region*> regions;
551    
552          friend class sfz::File;          friend class File;
553            friend class Query;
554    
555      private:      private:
556          std::string name;          std::string name;
557          std::vector<bool> KeyBindings;          std::vector<bool> KeyBindings;
558          std::vector<bool> KeySwitchBindings;          std::vector<bool> KeySwitchBindings;
559          SampleManager* pSampleManager;          SampleManager* pSampleManager;
560            LookupTable* pLookupTable;
561            LookupTable* pLookupTableCC[128];
562      };      };
563    
564      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 532  namespace sfz Line 603  namespace sfz
603          int parseKey(const std::string& value);          int parseKey(const std::string& value);
604          EG& eg(int x);          EG& eg(int x);
605          EGNode& egnode(int x, int y);          EGNode& egnode(int x, int y);
606            LFO& lfo(int x);
607    
608          std::string currentDir;          std::string currentDir;
609          /// Pointer to the Instrument belonging to this file          /// Pointer to the Instrument belonging to this file
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