/[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 2222 by iliev, Thu Jul 28 18:24:12 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        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
258        template<class T>
259        class Array
260        {
261        private:
262            struct Rep {
263                int refcount;
264                T a[128];
265    
266                Rep() : refcount(1) { }
267                static void release(Rep* rep) {
268                    if (!--rep->refcount) delete rep;
269                }
270            } *ptr;
271        public:
272            Array() : ptr(0) { }
273            ~Array() { Rep::release(ptr); }
274    
275            Array& operator=(const Array& array) {
276                if (this != &array) {
277                    ptr = array.ptr;
278                    if (ptr) ptr->refcount++;
279                }
280                return *this;
281            }
282    
283            const T& operator[](int i) const { return ptr->a[i]; }
284    
285            void set(int i, const T& v) {
286                if (!ptr) {
287                    ptr = new Rep;
288                } else if (ptr->refcount > 1 && ptr->a[i] != v) {
289                    Rep* newptr = new Rep(*ptr);
290                    newptr->refcount = 1;
291                    Rep::release(ptr);
292                    ptr = newptr;
293                }
294                ptr->a[i] = v;
295            }
296        };
297    
298      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
299      // class Definition      // class Definition
300    
# Line 231  namespace sfz Line 312  namespace sfz
312          int   lochan;    int   hichan;          int   lochan;    int   hichan;
313          int   lokey;     int   hikey;          int   lokey;     int   hikey;
314          int   lovel;     int   hivel;          int   lovel;     int   hivel;
315          std::vector<int> locc; std::vector<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 243  namespace sfz Line 324  namespace sfz
324          int seq_length;          int seq_length;
325          int seq_position;          int seq_position;
326    
327          std::vector<int> start_locc; std::vector<int> start_hicc;          Array<int> start_locc; Array<int> start_hicc;
328          std::vector<int> stop_locc;  std::vector<int> stop_hicc;          Array<int> stop_locc;  Array<int> stop_hicc;
329    
330          int sw_lokey;    int sw_hikey;          int sw_lokey;    int sw_hikey;
331          int sw_last;          int sw_last;
# Line 255  namespace sfz Line 336  namespace sfz
336    
337          trigger_t trigger;          trigger_t trigger;
338    
339          optional<int> group;          uint group;
340          optional<int> off_by;          uint off_by;
341          off_mode_t off_mode;          off_mode_t off_mode;
342    
343          std::vector<int> on_locc; std::vector<int> on_hicc;          Array<int> on_locc; Array<int> on_hicc;
344    
345          // sample player          // sample player
346          optional<int> count;          optional<int> count;
347          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;
348          optional<int> delay_beats; optional<int> stop_beats;          optional<int> delay_beats; optional<int> stop_beats;
349          optional<int> delay_samples; std::vector<optional<int> > delay_samples_oncc;          optional<int> delay_samples; Array<optional<int> > delay_samples_oncc;
350          optional<int> end;          optional<int> end;
351          optional<float> loop_crossfade;          optional<float> loop_crossfade;
352          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;
353          loop_mode_t loop_mode;          loop_mode_t loop_mode;
354          optional<int> loop_start; optional<int> loop_end;          optional<int> loop_start; optional<int> loop_end;
355          optional<int> sync_beats;          optional<int> sync_beats;
# Line 279  namespace sfz Line 360  namespace sfz
360          float pan;          float pan;
361          float width;          float width;
362          float position;          float position;
363          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;
364          float rt_decay;          float rt_decay;
365          std::vector<float> gain_oncc;          Array<float> gain_oncc;
366          int xfin_lokey; int xfin_hikey;          int xfin_lokey; int xfin_hikey;
367          int xfout_lokey; int xfout_hikey;          int xfout_lokey; int xfout_hikey;
368          curve_t xf_keycurve;          curve_t xf_keycurve;
369          int xfin_lovel; int xfin_hivel;          int xfin_lovel; int xfin_hivel;
370          int xfout_lovel; int xfout_hivel;          int xfout_lovel; int xfout_hivel;
371          curve_t xf_velcurve;          curve_t xf_velcurve;
372          std::vector<int> xfin_locc; std::vector<int> xfin_hicc;          Array<int> xfin_locc; Array<int> xfin_hicc;
373          std::vector<int> xfout_locc; std::vector<int> xfout_hicc;          Array<int> xfout_locc; Array<int> xfout_hicc;
374          curve_t xf_cccurve;          curve_t xf_cccurve;
375    
376          // pitch          // pitch
# Line 301  namespace sfz Line 382  namespace sfz
382          // filter          // filter
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          std::vector<int> cutoff_oncc; std::vector<int> cutoff2_oncc;          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;
386          std::vector<int> cutoff_smoothcc; std::vector<int> cutoff2_smoothcc;          int cutoff_cc; // TODO: this is just a temporary fix to avoid
387          std::vector<int> cutoff_stepcc; std::vector<int> cutoff2_stepcc;                         // looping through the cutoff_oncc array
388          std::vector<int> cutoff_curvecc; std::vector<int> cutoff2_curvecc;          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;
389            Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;
390            Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;
391          int cutoff_chanaft; int cutoff2_chanaft;          int cutoff_chanaft; int cutoff2_chanaft;
392          int cutoff_polyaft; int cutoff2_polyaft;          int cutoff_polyaft; int cutoff2_polyaft;
393          float resonance; float resonance2;          float resonance; float resonance2;
394          std::vector<int> resonance_oncc; std::vector<int> resonance2_oncc;          Array<int> resonance_oncc; Array<int> resonance2_oncc;
395          std::vector<int> resonance_smoothcc; std::vector<int> resonance2_smoothcc;          Array<int> resonance_smoothcc; Array<int> resonance2_smoothcc;
396          std::vector<int> resonance_stepcc; std::vector<int> resonance2_stepcc;          Array<int> resonance_stepcc; Array<int> resonance2_stepcc;
397          std::vector<int> resonance_curvecc; std::vector<int> resonance2_curvecc;          Array<int> resonance_curvecc; Array<int> resonance2_curvecc;
398          int fil_keytrack; int fil2_keytrack;          int fil_keytrack; int fil2_keytrack;
399          int fil_keycenter; int fil2_keycenter;          int fil_keycenter; int fil2_keycenter;
400          int fil_veltrack; int fil2_veltrack;          int fil_veltrack; int fil2_veltrack;
# Line 319  namespace sfz Line 402  namespace sfz
402    
403          // per voice equalizer          // per voice equalizer
404          float eq1_freq; float eq2_freq; float eq3_freq;          float eq1_freq; float eq2_freq; float eq3_freq;
405          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;
406          float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq;          float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq;
407          float eq1_bw; float eq2_bw; float eq3_bw;          float eq1_bw; float eq2_bw; float eq3_bw;
408          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;
409          float eq1_gain; float eq2_gain; float eq3_gain;          float eq1_gain; float eq2_gain; float eq3_gain;
410          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;
411          float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain;          float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain;
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;
422            float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;
423            float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;
424            int pitchlfo_depth;
425    
426            // envelope generators
427            LinuxSampler::ArrayList<EG> eg;
428    
429            // low frequency oscillators
430            LinuxSampler::ArrayList<LFO> lfos;
431        };
432    
433        class Query {
434        public:
435            uint8_t chan;        // MIDI channel
436            uint8_t key;         // MIDI note
437            uint8_t vel;         // MIDI velocity
438            int bend;            // MIDI pitch bend
439            uint8_t bpm;         // host BPM
440            uint8_t chanaft;     // MIDI channel pressure
441            uint8_t polyaft;     // MIDI polyphonic aftertouch
442            uint8_t prog;        // MIDI program change
443            float rand;          // generated random number
444            trigger_t trig;      // how it was triggered
445            uint8_t* cc;         // all 128 CC values
446            float timer;         // time since previous region in the group was triggered
447            bool* sw;            // state of region key switches, 128 possible values
448            uint8_t last_sw_key; // last key pressed in the key switch range
449            uint8_t prev_sw_key; // previous note value
450    
451            void search(const Instrument* pInstrument);
452            void search(const Instrument* pInstrument, int triggercc);
453            Region* next();
454        private:
455            LinuxSampler::ArrayList<Region*>* pRegionList;
456            int regionIndex;
457      };      };
458    
459      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 357  namespace sfz Line 480  namespace sfz
480          uint GetLoopEnd();          uint GetLoopEnd();
481          uint GetLoopCount();          uint GetLoopCount();
482    
483          /// Return true if region is triggered by key          /// Return true if region is triggered by key. Region is
484          bool OnKey(uint8_t chan, uint8_t key, uint8_t vel,          /// assumed to come from a search in the lookup table.
485                 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);  
486    
487          /// Return an articulation for the current state          /// Return an articulation for the current state
488           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);
489    
490          // unique region id          // unique region id
491          int id;          int id;
492    
493      private:      private:
494          Instrument* pInstrument;          Instrument* pInstrument;
495            int seq_counter;
496      };      };
497    
498      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 392  namespace sfz Line 508  namespace sfz
508          std::string GetName() { return name; }          std::string GetName() { return name; }
509          SampleManager* GetSampleManager() { return pSampleManager; }          SampleManager* GetSampleManager() { return pSampleManager; }
510    
         /**  
          * @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  
         );  
   
511          bool DestroyRegion(Region* pRegion);          bool DestroyRegion(Region* pRegion);
512          bool HasKeyBinding(uint8_t key);          bool HasKeyBinding(uint8_t key);
513          bool HasKeySwitchBinding(uint8_t key);          bool HasKeySwitchBinding(uint8_t key);
# Line 409  namespace sfz Line 515  namespace sfz
515          /// List of Regions belonging to this Instrument          /// List of Regions belonging to this Instrument
516          std::vector<Region*> regions;          std::vector<Region*> regions;
517    
518          friend class sfz::File;          friend class File;
519            friend class Query;
520    
521      private:      private:
522          std::string name;          std::string name;
523          std::vector<bool> KeyBindings;          std::vector<bool> KeyBindings;
524          std::vector<bool> KeySwitchBindings;          std::vector<bool> KeySwitchBindings;
525          SampleManager* pSampleManager;          SampleManager* pSampleManager;
526            LookupTable* pLookupTable;
527            LookupTable* pLookupTableCC[128];
528      };      };
529    
530      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 457  namespace sfz Line 566  namespace sfz
566      private:      private:
567          void  push_header(std::string token);          void  push_header(std::string token);
568          void  push_opcode(std::string token);          void  push_opcode(std::string token);
569          int   parseInt(std::string value);          int parseKey(const std::string& value);
570          float parseFloat(std::string value);          EG& eg(int x);
571            EGNode& egnode(int x, int y);
572            LFO& lfo(int x);
573    
574          std::string currentDir;          std::string currentDir;
575          /// Pointer to the Instrument belonging to this file          /// Pointer to the Instrument belonging to this file
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