/[svn]/linuxsampler/trunk/src/engines/sfz/sfz.h
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revision 2021 by iliev, Fri Oct 30 16:36:20 2009 UTC revision 2216 by iliev, Mon Jul 25 17:21:16 2011 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2008-2009 Anders Dahnielson <anders@dahnielson.com>     *   *   Copyright (C) 2008 Anders Dahnielson <anders@dahnielson.com>          *
6   *   Copyright (C) 2009 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 32  Line 32 
32    
33  #include "../common/SampleFile.h"  #include "../common/SampleFile.h"
34  #include "../common/SampleManager.h"  #include "../common/SampleManager.h"
35    #include "../../common/ArrayList.h"
36    
37  #define TRIGGER_ATTACK  ((unsigned char) (1 << 0)) // 0x01  #define TRIGGER_ATTACK  ((unsigned char) (1 << 0)) // 0x01
38  #define TRIGGER_RELEASE ((unsigned char) (1 << 1)) // 0x02  #define TRIGGER_RELEASE ((unsigned char) (1 << 1)) // 0x02
39  #define TRIGGER_FIRST   ((unsigned char) (1 << 2)) // 0x04  #define TRIGGER_FIRST   ((unsigned char) (1 << 2)) // 0x04
40  #define TRIGGER_LEGATO  ((unsigned char) (1 << 3)) // 0x08  #define TRIGGER_LEGATO  ((unsigned char) (1 << 3)) // 0x08
41    
42  namespace sfz  namespace sfz
43  {  {
44      // Forward declarations      // Forward declarations
45      class Articulation;      class Articulation;
# Line 46  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 68  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 214  namespace sfz Line 218  namespace sfz
218          virtual ~Articulation();          virtual ~Articulation();
219      };      };
220    
221        class EGNode
222        {
223        public:
224            float time;
225            float level;
226            float shape;
227            float curve;
228            EGNode();
229        };
230    
231        class EG
232        {
233        public:
234            LinuxSampler::ArrayList<EGNode> node;
235            int sustain;
236            int loop;
237            int loop_count;
238            float amplitude;
239            float cutoff;
240            EG();
241        };
242    
243        // Fixed size array with copy-on-write semantics
244        template<class T>
245        class Array
246        {
247        private:
248            struct Rep {
249                int refcount;
250                T a[128];
251    
252                Rep() : refcount(1) { }
253                static void release(Rep* rep) {
254                    if (!--rep->refcount) delete rep;
255                }
256            } *ptr;
257        public:
258            Array() : ptr(0) { }
259            ~Array() { Rep::release(ptr); }
260    
261            Array& operator=(const Array& array) {
262                if (this != &array) {
263                    ptr = array.ptr;
264                    if (ptr) ptr->refcount++;
265                }
266                return *this;
267            }
268    
269            const T& operator[](int i) const { return ptr->a[i]; }
270    
271            void set(int i, const T& v) {
272                if (!ptr) {
273                    ptr = new Rep;
274                } else if (ptr->refcount > 1 && ptr->a[i] != v) {
275                    Rep* newptr = new Rep(*ptr);
276                    newptr->refcount = 1;
277                    Rep::release(ptr);
278                    ptr = newptr;
279                }
280                ptr->a[i] = v;
281            }
282        };
283    
284      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
285      // class Definition      // class Definition
286    
# Line 231  namespace sfz Line 298  namespace sfz
298          int   lochan;    int   hichan;          int   lochan;    int   hichan;
299          int   lokey;     int   hikey;          int   lokey;     int   hikey;
300          int   lovel;     int   hivel;          int   lovel;     int   hivel;
301          std::vector<int> locc; std::vector<int> hicc;          Array<int> locc; Array<int> hicc;
302          int   lobend;    int   hibend;          int   lobend;    int   hibend;
303          int   lobpm;     int   hibpm;          float lobpm;     float hibpm;
304          int   lochanaft; int   hichanaft;          int   lochanaft; int   hichanaft;
305          int   lopolyaft; int   hipolyaft;          int   lopolyaft; int   hipolyaft;
306          int   loprog;    int   hiprog;          int   loprog;    int   hiprog;
# Line 243  namespace sfz Line 310  namespace sfz
310          int seq_length;          int seq_length;
311          int seq_position;          int seq_position;
312    
313          std::vector<int> start_locc; std::vector<int> start_hicc;          Array<int> start_locc; Array<int> start_hicc;
314          std::vector<int> stop_locc;  std::vector<int> stop_hicc;          Array<int> stop_locc;  Array<int> stop_hicc;
315    
316          int sw_lokey;    int sw_hikey;          int sw_lokey;    int sw_hikey;
317          int sw_last;          int sw_last;
# Line 255  namespace sfz Line 322  namespace sfz
322    
323          trigger_t trigger;          trigger_t trigger;
324    
325          optional<int> group;          uint group;
326          optional<int> off_by;          uint off_by;
327          off_mode_t off_mode;          off_mode_t off_mode;
328    
329          std::vector<int> on_locc; std::vector<int> on_hicc;          Array<int> on_locc; Array<int> on_hicc;
330    
331          // sample player          // sample player
332          optional<int> count;          optional<int> count;
333          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;
334          optional<int> delay_beats; optional<int> stop_beats;          optional<int> delay_beats; optional<int> stop_beats;
335          optional<int> delay_samples; std::vector<optional<int> > delay_samples_oncc;          optional<int> delay_samples; Array<optional<int> > delay_samples_oncc;
336          optional<int> end;          optional<int> end;
337          optional<float> loop_crossfade;          optional<float> loop_crossfade;
338          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;
339          loop_mode_t loop_mode;          loop_mode_t loop_mode;
340          optional<int> loop_start; optional<int> loop_end;          optional<int> loop_start; optional<int> loop_end;
341          optional<int> sync_beats;          optional<int> sync_beats;
# Line 279  namespace sfz Line 346  namespace sfz
346          float pan;          float pan;
347          float width;          float width;
348          float position;          float position;
349          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;
350          float rt_decay;          float rt_decay;
351          std::vector<float> gain_oncc;          Array<float> gain_oncc;
352          int xfin_lokey; int xfin_hikey;          int xfin_lokey; int xfin_hikey;
353          int xfout_lokey; int xfout_hikey;          int xfout_lokey; int xfout_hikey;
354          curve_t xf_keycurve;          curve_t xf_keycurve;
355          int xfin_lovel; int xfin_hivel;          int xfin_lovel; int xfin_hivel;
356          int xfout_lovel; int xfout_hivel;          int xfout_lovel; int xfout_hivel;
357          curve_t xf_velcurve;          curve_t xf_velcurve;
358          std::vector<int> xfin_locc; std::vector<int> xfin_hicc;          Array<int> xfin_locc; Array<int> xfin_hicc;
359          std::vector<int> xfout_locc; std::vector<int> xfout_hicc;          Array<int> xfout_locc; Array<int> xfout_hicc;
360          curve_t xf_cccurve;          curve_t xf_cccurve;
361    
362          // pitch          // pitch
# Line 301  namespace sfz Line 368  namespace sfz
368          // filter          // filter
369          filter_t fil_type; filter_t fil2_type;          filter_t fil_type; filter_t fil2_type;
370          optional<float> cutoff; optional<float> cutoff2;          optional<float> cutoff; optional<float> cutoff2;
371          std::vector<int> cutoff_oncc; std::vector<int> cutoff2_oncc;          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;
372          std::vector<int> cutoff_smoothcc; std::vector<int> cutoff2_smoothcc;          int cutoff_cc; // TODO: this is just a temporary fix to avoid
373          std::vector<int> cutoff_stepcc; std::vector<int> cutoff2_stepcc;                         // looping through the cutoff_oncc array
374          std::vector<int> cutoff_curvecc; std::vector<int> cutoff2_curvecc;          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;
375            Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;
376            Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;
377          int cutoff_chanaft; int cutoff2_chanaft;          int cutoff_chanaft; int cutoff2_chanaft;
378          int cutoff_polyaft; int cutoff2_polyaft;          int cutoff_polyaft; int cutoff2_polyaft;
379          float resonance; float resonance2;          float resonance; float resonance2;
380          std::vector<int> resonance_oncc; std::vector<int> resonance2_oncc;          Array<int> resonance_oncc; Array<int> resonance2_oncc;
381          std::vector<int> resonance_smoothcc; std::vector<int> resonance2_smoothcc;          Array<int> resonance_smoothcc; Array<int> resonance2_smoothcc;
382          std::vector<int> resonance_stepcc; std::vector<int> resonance2_stepcc;          Array<int> resonance_stepcc; Array<int> resonance2_stepcc;
383          std::vector<int> resonance_curvecc; std::vector<int> resonance2_curvecc;          Array<int> resonance_curvecc; Array<int> resonance2_curvecc;
384          int fil_keytrack; int fil2_keytrack;          int fil_keytrack; int fil2_keytrack;
385          int fil_keycenter; int fil2_keycenter;          int fil_keycenter; int fil2_keycenter;
386          int fil_veltrack; int fil2_veltrack;          int fil_veltrack; int fil2_veltrack;
# Line 319  namespace sfz Line 388  namespace sfz
388    
389          // per voice equalizer          // per voice equalizer
390          float eq1_freq; float eq2_freq; float eq3_freq;          float eq1_freq; float eq2_freq; float eq3_freq;
391          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;
392          float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq;          float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq;
393          float eq1_bw; float eq2_bw; float eq3_bw;          float eq1_bw; float eq2_bw; float eq3_bw;
394          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;
395          float eq1_gain; float eq2_gain; float eq3_gain;          float eq1_gain; float eq2_gain; float eq3_gain;
396          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;
397          float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain;          float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain;
398    
399          //Deprecated (from version 1)          //Deprecated (from version 1)
400          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;
401            float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release;
402          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;
403          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;
404            float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;
405            float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;
406            float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;
407            int pitchlfo_depth;
408    
409            // envelope generators
410            LinuxSampler::ArrayList<EG> eg;
411        };
412    
413        class Query {
414        public:
415            uint8_t chan;        // MIDI channel
416            uint8_t key;         // MIDI note
417            uint8_t vel;         // MIDI velocity
418            int bend;            // MIDI pitch bend
419            uint8_t bpm;         // host BPM
420            uint8_t chanaft;     // MIDI channel pressure
421            uint8_t polyaft;     // MIDI polyphonic aftertouch
422            uint8_t prog;        // MIDI program change
423            float rand;          // generated random number
424            trigger_t trig;      // how it was triggered
425            uint8_t* cc;         // all 128 CC values
426            float timer;         // time since previous region in the group was triggered
427            bool* sw;            // state of region key switches, 128 possible values
428            uint8_t last_sw_key; // last key pressed in the key switch range
429            uint8_t prev_sw_key; // previous note value
430    
431            void search(const Instrument* pInstrument);
432            void search(const Instrument* pInstrument, int triggercc);
433            Region* next();
434        private:
435            LinuxSampler::ArrayList<Region*>* pRegionList;
436            int regionIndex;
437      };      };
438    
439      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 357  namespace sfz Line 460  namespace sfz
460          uint GetLoopEnd();          uint GetLoopEnd();
461          uint GetLoopCount();          uint GetLoopCount();
462    
463          /// Return true if region is triggered by key          /// Return true if region is triggered by key. Region is
464          bool OnKey(uint8_t chan, uint8_t key, uint8_t vel,          /// assumed to come from a search in the lookup table.
465                 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, uint8_t seq, 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, uint8_t seq, bool* sw, uint8_t last_sw_key, uint8_t prev_sw_key);  
466    
467          /// Return an articulation for the current state          /// Return an articulation for the current state
468           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);
469    
470          // unique region id          // unique region id
471          int id;          int id;
472    
473      private:      private:
474          Instrument* pInstrument;          Instrument* pInstrument;
475            int seq_counter;
476      };      };
477    
478      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 392  namespace sfz Line 488  namespace sfz
488          std::string GetName() { return name; }          std::string GetName() { return name; }
489          SampleManager* GetSampleManager() { return pSampleManager; }          SampleManager* GetSampleManager() { return pSampleManager; }
490    
         /**  
          * @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, uint8_t seq, bool* sw, uint8_t last_sw_key, uint8_t prev_sw_key  
         );  
   
491          bool DestroyRegion(Region* pRegion);          bool DestroyRegion(Region* pRegion);
492          bool HasKeyBinding(uint8_t key);          bool HasKeyBinding(uint8_t key);
493          bool HasKeySwitchBinding(uint8_t key);          bool HasKeySwitchBinding(uint8_t key);
# Line 409  namespace sfz Line 495  namespace sfz
495          /// List of Regions belonging to this Instrument          /// List of Regions belonging to this Instrument
496          std::vector<Region*> regions;          std::vector<Region*> regions;
497    
498          friend class sfz::File;          friend class File;
499            friend class Query;
500    
501      private:      private:
502          std::string name;          std::string name;
503          std::vector<bool> KeyBindings;          std::vector<bool> KeyBindings;
504          std::vector<bool> KeySwitchBindings;          std::vector<bool> KeySwitchBindings;
505          SampleManager* pSampleManager;          SampleManager* pSampleManager;
506            LookupTable* pLookupTable;
507            LookupTable* pLookupTableCC[128];
508      };      };
509    
510      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 457  namespace sfz Line 546  namespace sfz
546      private:      private:
547          void  push_header(std::string token);          void  push_header(std::string token);
548          void  push_opcode(std::string token);          void  push_opcode(std::string token);
549          int   parseInt(std::string value);          int parseKey(const std::string& value);
550          float parseFloat(std::string value);          EG& eg(int x);
551            EGNode& egnode(int x, int y);
552    
553          std::string currentDir;          std::string currentDir;
554          /// Pointer to the Instrument belonging to this file          /// Pointer to the Instrument belonging to this file
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