/[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 2218 by iliev, Thu Jul 28 08:05:57 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            int   pitch; // -9600 to 9600 cents
250            int   cutoff; // -9600 to 9600 cents
251            float resonance; // 0 to 40 dB
252            float pan; // -100 to 100 %
253            LFO();
254        };
255    
256      // Fixed size array with copy-on-write semantics      // Fixed size array with copy-on-write semantics
257      template<class T>      template<class T>
258      class Array      class Array
# Line 297  namespace sfz Line 313  namespace sfz
313          int   lovel;     int   hivel;          int   lovel;     int   hivel;
314          Array<int> locc; Array<int> hicc;          Array<int> locc; Array<int> hicc;
315          int   lobend;    int   hibend;          int   lobend;    int   hibend;
316          int   lobpm;     int   hibpm;          float lobpm;     float hibpm;
317          int   lochanaft; int   hichanaft;          int   lochanaft; int   hichanaft;
318          int   lopolyaft; int   hipolyaft;          int   lopolyaft; int   hipolyaft;
319          int   loprog;    int   hiprog;          int   loprog;    int   hiprog;
# Line 320  namespace sfz Line 336  namespace sfz
336          trigger_t trigger;          trigger_t trigger;
337    
338          uint group;          uint group;
339          optional<int> off_by;          uint off_by;
340          off_mode_t off_mode;          off_mode_t off_mode;
341    
342          Array<int> on_locc; Array<int> on_hicc;          Array<int> on_locc; Array<int> on_hicc;
# Line 366  namespace sfz Line 382  namespace sfz
382          filter_t fil_type; filter_t fil2_type;          filter_t fil_type; filter_t fil2_type;
383          optional<float> cutoff; optional<float> cutoff2;          optional<float> cutoff; optional<float> cutoff2;
384          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;
385            int cutoff_cc; // TODO: this is just a temporary fix to avoid
386                           // looping through the cutoff_oncc array
387          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;
388          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;
389          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;
# Line 393  namespace sfz Line 411  namespace sfz
411    
412          //Deprecated (from version 1)          //Deprecated (from version 1)
413          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;
414            float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release;
415          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;
416          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;
417          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;
# Line 402  namespace sfz Line 421  namespace sfz
421    
422          // envelope generators          // envelope generators
423          LinuxSampler::ArrayList<EG> eg;          LinuxSampler::ArrayList<EG> eg;
424    
425            // low frequency oscillators
426            LinuxSampler::ArrayList<LFO> lfos;
427      };      };
428    
429      class Query {      class Query {
430      public:      public:
         Query(const Instrument& instrument);  
         Region* next();  
431          uint8_t chan;        // MIDI channel          uint8_t chan;        // MIDI channel
432          uint8_t key;         // MIDI note      TODO: or controller          uint8_t key;         // MIDI note
433          uint8_t vel;         // MIDI velocity          uint8_t vel;         // MIDI velocity
434          int bend;            // MIDI pitch bend          int bend;            // MIDI pitch bend
435          uint8_t bpm;         // host BPM          uint8_t bpm;         // host BPM
# Line 423  namespace sfz Line 443  namespace sfz
443          bool* sw;            // state of region key switches, 128 possible values          bool* sw;            // state of region key switches, 128 possible values
444          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
445          uint8_t prev_sw_key; // previous note value          uint8_t prev_sw_key; // previous note value
446    
447            void search(const Instrument* pInstrument);
448            void search(const Instrument* pInstrument, int triggercc);
449            Region* next();
450      private:      private:
451          std::vector<Region*>::const_iterator i;          LinuxSampler::ArrayList<Region*>* pRegionList;
452          std::vector<Region*>::const_iterator regions_end;          int regionIndex;
453      };      };
454    
455      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 452  namespace sfz Line 476  namespace sfz
476          uint GetLoopEnd();          uint GetLoopEnd();
477          uint GetLoopCount();          uint GetLoopCount();
478    
479          /// Return true if region is triggered by key          /// Return true if region is triggered by key. Region is
480            /// assumed to come from a search in the lookup table.
481          bool OnKey(const Query& q);          bool OnKey(const Query& q);
482    
         /// 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);  
   
483          /// Return an articulation for the current state          /// Return an articulation for the current state
484          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);
485    
# Line 492  namespace sfz Line 511  namespace sfz
511          /// List of Regions belonging to this Instrument          /// List of Regions belonging to this Instrument
512          std::vector<Region*> regions;          std::vector<Region*> regions;
513    
514          friend class sfz::File;          friend class File;
515            friend class Query;
516    
517      private:      private:
518          std::string name;          std::string name;
519          std::vector<bool> KeyBindings;          std::vector<bool> KeyBindings;
520          std::vector<bool> KeySwitchBindings;          std::vector<bool> KeySwitchBindings;
521          SampleManager* pSampleManager;          SampleManager* pSampleManager;
522            LookupTable* pLookupTable;
523            LookupTable* pLookupTableCC[128];
524      };      };
525    
526      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 543  namespace sfz Line 565  namespace sfz
565          int parseKey(const std::string& value);          int parseKey(const std::string& value);
566          EG& eg(int x);          EG& eg(int x);
567          EGNode& egnode(int x, int y);          EGNode& egnode(int x, int y);
568            LFO& lfo(int x);
569    
570          std::string currentDir;          std::string currentDir;
571          /// Pointer to the Instrument belonging to this file          /// Pointer to the Instrument belonging to this file
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