/[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 2224 by iliev, Mon Aug 1 19:08:09 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 237  namespace sfz Line 240  namespace sfz
240          EG();          EG();
241      };      };
242    
243        class LFO
244        {
245        public:
246            float freq; // 0 to 20 Hz
247            uint  wave; // 0 to 4294967296
248            float delay; // 0 to 100 seconds
249            float volume; // -144 to 6 dB
250            int   pitch; // -9600 to 9600 cents
251            int   cutoff; // -9600 to 9600 cents
252            float resonance; // 0 to 40 dB
253            float pan; // -100 to 100 %
254            LFO();
255        };
256    
257      // Fixed size array with copy-on-write semantics      // Fixed size array with copy-on-write semantics
258      template<class T>      template<class T>
259      class Array      class Array
# Line 297  namespace sfz Line 314  namespace sfz
314          int   lovel;     int   hivel;          int   lovel;     int   hivel;
315          Array<int> locc; Array<int> hicc;          Array<int> locc; Array<int> hicc;
316          int   lobend;    int   hibend;          int   lobend;    int   hibend;
317          int   lobpm;     int   hibpm;          float lobpm;     float hibpm;
318          int   lochanaft; int   hichanaft;          int   lochanaft; int   hichanaft;
319          int   lopolyaft; int   hipolyaft;          int   lopolyaft; int   hipolyaft;
320          int   loprog;    int   hiprog;          int   loprog;    int   hiprog;
# Line 320  namespace sfz Line 337  namespace sfz
337          trigger_t trigger;          trigger_t trigger;
338    
339          uint group;          uint group;
340          optional<int> off_by;          uint off_by;
341          off_mode_t off_mode;          off_mode_t off_mode;
342    
343          Array<int> on_locc; Array<int> on_hicc;          Array<int> on_locc; Array<int> on_hicc;
# Line 366  namespace sfz Line 383  namespace sfz
383          filter_t fil_type; filter_t fil2_type;          filter_t fil_type; filter_t fil2_type;
384          optional<float> cutoff; optional<float> cutoff2;          optional<float> cutoff; optional<float> cutoff2;
385          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;
386            int cutoff_cc; // TODO: this is just a temporary fix to avoid
387                           // looping through the cutoff_oncc array
388          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;
389          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;
390          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;
# Line 393  namespace sfz Line 412  namespace sfz
412    
413          //Deprecated (from version 1)          //Deprecated (from version 1)
414          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;
415            float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release;
416          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;
417            float fileg_vel2delay, fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain, fileg_vel2release;
418          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;
419            float pitcheg_vel2delay, pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay, pitcheg_vel2sustain, pitcheg_vel2release;
420            int   fileg_depth, pitcheg_depth;
421          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;
422          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;
423          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;
424          int pitchlfo_depth;          int pitchlfo_depth;
425            Array<int> pitchlfo_depthcc;
426    
427          // envelope generators          // envelope generators
428          LinuxSampler::ArrayList<EG> eg;          LinuxSampler::ArrayList<EG> eg;
429    
430            // low frequency oscillators
431            LinuxSampler::ArrayList<LFO> lfos;
432      };      };
433    
434      class Query {      class Query {
435      public:      public:
         Query(const Instrument& instrument);  
         Region* next();  
436          uint8_t chan;        // MIDI channel          uint8_t chan;        // MIDI channel
437          uint8_t key;         // MIDI note      TODO: or controller          uint8_t key;         // MIDI note
438          uint8_t vel;         // MIDI velocity          uint8_t vel;         // MIDI velocity
439          int bend;            // MIDI pitch bend          int bend;            // MIDI pitch bend
440          uint8_t bpm;         // host BPM          uint8_t bpm;         // host BPM
# Line 423  namespace sfz Line 448  namespace sfz
448          bool* sw;            // state of region key switches, 128 possible values          bool* sw;            // state of region key switches, 128 possible values
449          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
450          uint8_t prev_sw_key; // previous note value          uint8_t prev_sw_key; // previous note value
451    
452            void search(const Instrument* pInstrument);
453            void search(const Instrument* pInstrument, int triggercc);
454            Region* next();
455      private:      private:
456          std::vector<Region*>::const_iterator i;          LinuxSampler::ArrayList<Region*>* pRegionList;
457          std::vector<Region*>::const_iterator regions_end;          int regionIndex;
458      };      };
459    
460      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 452  namespace sfz Line 481  namespace sfz
481          uint GetLoopEnd();          uint GetLoopEnd();
482          uint GetLoopCount();          uint GetLoopCount();
483    
484          /// Return true if region is triggered by key          /// Return true if region is triggered by key. Region is
485            /// assumed to come from a search in the lookup table.
486          bool OnKey(const Query& q);          bool OnKey(const Query& q);
487    
         /// 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);  
   
488          /// Return an articulation for the current state          /// Return an articulation for the current state
489          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);
490    
# Line 492  namespace sfz Line 516  namespace sfz
516          /// List of Regions belonging to this Instrument          /// List of Regions belonging to this Instrument
517          std::vector<Region*> regions;          std::vector<Region*> regions;
518    
519          friend class sfz::File;          friend class File;
520            friend class Query;
521    
522      private:      private:
523          std::string name;          std::string name;
524          std::vector<bool> KeyBindings;          std::vector<bool> KeyBindings;
525          std::vector<bool> KeySwitchBindings;          std::vector<bool> KeySwitchBindings;
526          SampleManager* pSampleManager;          SampleManager* pSampleManager;
527            LookupTable* pLookupTable;
528            LookupTable* pLookupTableCC[128];
529      };      };
530    
531      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 543  namespace sfz Line 570  namespace sfz
570          int parseKey(const std::string& value);          int parseKey(const std::string& value);
571          EG& eg(int x);          EG& eg(int x);
572          EGNode& egnode(int x, int y);          EGNode& egnode(int x, int y);
573            LFO& lfo(int x);
574    
575          std::string currentDir;          std::string currentDir;
576          /// Pointer to the Instrument belonging to this file          /// Pointer to the Instrument belonging to this file
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