/[svn]/linuxsampler/trunk/src/engines/sfz/sfz.h
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revision 2106 by persson, Sun Jul 4 12:50:51 2010 UTC revision 2235 by iliev, Wed Aug 10 19:40:39 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 48  namespace sfz Line 48  namespace sfz
48      class Instrument;      class Instrument;
49      class File;      class File;
50      class LookupTable;      class LookupTable;
51        class SampleManager;
52    
53      class Sample : public LinuxSampler::SampleFileBase<Region> {      class Sample : public LinuxSampler::SampleFileBase<Region> {
54            private:
55                int  End;
56                long TotalFrames;
57                
58          public:          public:
59              Sample(String File, bool DontClose = false) : LinuxSampler::SampleFileBase<Region>(File, DontClose) { }              Sample(String File, bool DontClose = false, uint offset = 0, int end = -2 /* -2 means unspecified */)
60                      : LinuxSampler::SampleFileBase<Region>(File, DontClose)
61                {
62                    Offset = offset;
63                    End = end;
64                    
65                    long tfc = LinuxSampler::SampleFileBase<Region>::GetTotalFrameCount();
66                    if (Offset >= tfc) {
67                        std::cerr << "Offset for file '" << this->GetFile() << "' too long (" << Offset << ")" << std::endl;
68                        Offset = 0;
69                    }
70                    
71                    if (End == -2 || End > tfc) TotalFrames = tfc;
72                    else if (End == -1 || End < Offset) TotalFrames = 0;
73                    else TotalFrames = End;
74                }
75              virtual ~Sample() { }              virtual ~Sample() { }
76                
77                virtual long GetTotalFrameCount() { return TotalFrames; }
78                
79                friend class SampleManager;
80      };      };
81    
82      // Enumerations      // Enumerations
83      enum sw_vel_t    { VEL_CURRENT, VEL_PREVIOUS };      enum sw_vel_t    { VEL_CURRENT, VEL_PREVIOUS };
84      enum off_mode_t  { OFF_FAST, OFF_NORMAL };      enum off_mode_t  { OFF_FAST, OFF_NORMAL };
85      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 };
86      enum curve_t     { GAIN, POWER };      enum curve_t     { GAIN, POWER };
87      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,
88                         LPF_2P, HPF_2P, BPF_2P, BRF_2P, PKF_2P,                         LPF_2P, HPF_2P, BPF_2P, BRF_2P, PKF_2P,
# Line 70  namespace sfz Line 94  namespace sfz
94    
95      class SampleManager : public LinuxSampler::SampleManager<Sample, Region> {      class SampleManager : public LinuxSampler::SampleManager<Sample, Region> {
96      public:      public:
97          Sample* FindSample(std::string samplePath);          Sample* FindSample(std::string samplePath, uint offset, int end);
98    
99      protected:      protected:
100          virtual void OnSampleInUse(Sample* pSample) {          virtual void OnSampleInUse(Sample* pSample) {
# Line 81  namespace sfz Line 105  namespace sfz
105              pSample->Close();              pSample->Close();
106          }          }
107      };      };
108        
109        class CC {
110            public:
111                uint8_t   Controller;  ///< MIDI controller number.
112                short int Curve;
113                float     Influence;   ///< Controller Value.
114                float     Smooth;      ///< The speed of parameter change in milliseconds
115                
116                CC(uint8_t Controller = 0, float Influence = 0.0f, short int Curve = -1, float Smooth = 0) {
117                    this->Controller = Controller;
118                    this->Influence  = Influence;
119                    this->Curve      = Curve;
120                    this->Smooth     = Smooth;
121                }
122                        
123                CC(const CC& cc) { Copy(cc); }
124                void operator=(const CC& cc) { Copy(cc); }
125                        
126                void Copy(const CC& cc) {
127                    Controller = cc.Controller;
128                    Influence  = cc.Influence;
129                    Curve      = cc.Curve;
130                    Smooth     = cc.Smooth;
131                }
132        };
133    
134      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
135      // class Exception      // class Exception
# Line 223  namespace sfz Line 272  namespace sfz
272          float level;          float level;
273          float shape;          float shape;
274          float curve;          float curve;
275            LinuxSampler::ArrayList<CC> time_oncc;
276            LinuxSampler::ArrayList<CC> level_oncc;
277            
278          EGNode();          EGNode();
279            EGNode(const EGNode& egNode) { Copy(egNode); }
280            void operator=(const EGNode& egNode) { Copy(egNode); }
281            void Copy(const EGNode& egNode);
282      };      };
283    
284      class EG      class EG
# Line 234  namespace sfz Line 289  namespace sfz
289          int loop;          int loop;
290          int loop_count;          int loop_count;
291          float amplitude;          float amplitude;
292            float volume;
293          float cutoff;          float cutoff;
294            int   pitch; // -9600 to 9600 cents
295            float resonance; // 0 to 40 dB
296            
297            LinuxSampler::ArrayList<CC> amplitude_oncc;
298            LinuxSampler::ArrayList<CC> volume_oncc;
299            LinuxSampler::ArrayList<CC> cutoff_oncc; // -9600 to 9600 cents
300            LinuxSampler::ArrayList<CC> pitch_oncc;
301            LinuxSampler::ArrayList<CC> resonance_oncc; // 0 to 40 dB
302            
303          EG();          EG();
304            EG(const EG& eg) { Copy(eg); }
305            void operator=(const EG& eg) { Copy(eg); }
306            void Copy(const EG& eg);
307        };
308    
309        class LFO
310        {
311        public:
312            float delay; // 0 to 100 seconds
313            float freq; // 0 to 20 Hz
314            float fade; // 0 to 100 seconds
315            float phase; // 0 to 360 degrees
316            uint  wave; // 0 to 4294967296
317            float volume; // -144 to 6 dB
318            int   pitch; // -9600 to 9600 cents
319            int   cutoff; // -9600 to 9600 cents
320            float resonance; // 0 to 40 dB
321            float pan; // -100 to 100 %
322            
323            LinuxSampler::ArrayList<CC> delay_oncc; // 0 to 100 seconds
324            LinuxSampler::ArrayList<CC> freq_oncc; // 0 to 20 Hz
325            LinuxSampler::ArrayList<CC> freq_smoothcc; // 0 to ? milliseconds
326            LinuxSampler::ArrayList<CC> fade_oncc; // 0 to 100 seconds
327            LinuxSampler::ArrayList<CC> phase_oncc; // 0 to 360 degrees
328            LinuxSampler::ArrayList<CC> volume_oncc; // -144 to 6 dB
329            LinuxSampler::ArrayList<CC> volume_smoothcc; // 0 to ? milliseconds
330            LinuxSampler::ArrayList<CC> pitch_oncc;
331            LinuxSampler::ArrayList<CC> pitch_smoothcc; // 0 to ? milliseconds
332            LinuxSampler::ArrayList<CC> pan_oncc; // -100 to 100 %
333            LinuxSampler::ArrayList<CC> pan_smoothcc; // 0 to ? milliseconds
334            LinuxSampler::ArrayList<CC> cutoff_oncc; // -9600 to 9600 cents
335            LinuxSampler::ArrayList<CC> cutoff_smoothcc; // 0 to ? milliseconds
336            LinuxSampler::ArrayList<CC> resonance_oncc; // 0 to 40 dB
337            LinuxSampler::ArrayList<CC> resonance_smoothcc; // 0 to ? milliseconds
338            
339            LFO();
340            LFO(const LFO& lfo) { Copy(lfo); }
341            void operator=(const LFO& lfo) { Copy(lfo); }
342            void Copy(const LFO& lfo);
343      };      };
344    
345      // Fixed size array with copy-on-write semantics      // Fixed size array with copy-on-write semantics
# Line 321  namespace sfz Line 425  namespace sfz
425          trigger_t trigger;          trigger_t trigger;
426    
427          uint group;          uint group;
428          optional<int> off_by;          uint off_by;
429          off_mode_t off_mode;          off_mode_t off_mode;
430    
431          Array<int> on_locc; Array<int> on_hicc;          Array<int> on_locc; Array<int> on_hicc;
# Line 333  namespace sfz Line 437  namespace sfz
437          optional<int> delay_samples; Array<optional<int> > delay_samples_oncc;          optional<int> delay_samples; Array<optional<int> > delay_samples_oncc;
438          optional<int> end;          optional<int> end;
439          optional<float> loop_crossfade;          optional<float> loop_crossfade;
440          optional<int> offset; optional<int> offset_random; Array<optional<int> > offset_oncc;          optional<uint> offset; optional<int> offset_random; Array<optional<int> > offset_oncc;
441          loop_mode_t loop_mode;          loop_mode_t loop_mode;
442          optional<int> loop_start; optional<int> loop_end;          optional<int> loop_start; optional<int> loop_end;
443          optional<int> sync_beats;          optional<int> sync_beats;
# Line 367  namespace sfz Line 471  namespace sfz
471          filter_t fil_type; filter_t fil2_type;          filter_t fil_type; filter_t fil2_type;
472          optional<float> cutoff; optional<float> cutoff2;          optional<float> cutoff; optional<float> cutoff2;
473          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;
474            int cutoff_cc; // TODO: this is just a temporary fix to avoid
475                           // looping through the cutoff_oncc array
476          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;
477          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;
478          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;
# Line 394  namespace sfz Line 500  namespace sfz
500    
501          //Deprecated (from version 1)          //Deprecated (from version 1)
502          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;
503            float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release;
504            LinuxSampler::ArrayList<CC> ampeg_delaycc, ampeg_startcc, ampeg_attackcc, ampeg_holdcc;
505            LinuxSampler::ArrayList<CC> ampeg_decaycc, ampeg_sustaincc, ampeg_releasecc;
506          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;
507            float fileg_vel2delay, fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain, fileg_vel2release;
508          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;
509            float pitcheg_vel2delay, pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay, pitcheg_vel2sustain, pitcheg_vel2release;
510            int   fileg_depth, pitcheg_depth;
511          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;
512          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;
513          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;
514          int pitchlfo_depth;          int pitchlfo_depth;
515            Array<int> pitchlfo_depthcc;
516            
517            LinuxSampler::ArrayList<CC> pitchlfo_freqcc; // 0 to 20 Hz
518            LinuxSampler::ArrayList<CC> fillfo_depthcc;  // -1200 to 1200 cents
519            LinuxSampler::ArrayList<CC> fillfo_freqcc;   // 0 to 20 Hz
520            LinuxSampler::ArrayList<CC> amplfo_depthcc;  // -10 to 10 dB
521            LinuxSampler::ArrayList<CC> amplfo_freqcc;   // 0 to 20 Hz
522    
523          // envelope generators          // envelope generators
524          LinuxSampler::ArrayList<EG> eg;          LinuxSampler::ArrayList<EG> eg;
525    
526            // low frequency oscillators
527            LinuxSampler::ArrayList<LFO> lfos;
528            
529            LinuxSampler::ArrayList<CC> volume_oncc;
530            LinuxSampler::ArrayList<CC> volume_curvecc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
531            LinuxSampler::ArrayList<CC> volume_smoothcc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
532      };      };
533    
534      class Query {      class Query {
535      public:      public:
536          uint8_t chan;        // MIDI channel          uint8_t chan;        // MIDI channel
537          uint8_t key;         // MIDI note      TODO: or controller          uint8_t key;         // MIDI note
538          uint8_t vel;         // MIDI velocity          uint8_t vel;         // MIDI velocity
539          int bend;            // MIDI pitch bend          int bend;            // MIDI pitch bend
540          uint8_t bpm;         // host BPM          uint8_t bpm;         // host BPM
# Line 424  namespace sfz Line 550  namespace sfz
550          uint8_t prev_sw_key; // previous note value          uint8_t prev_sw_key; // previous note value
551    
552          void search(const Instrument* pInstrument);          void search(const Instrument* pInstrument);
553            void search(const Instrument* pInstrument, int triggercc);
554          Region* next();          Region* next();
555      private:      private:
556          LinuxSampler::ArrayList<Region*>* pRegionList;          LinuxSampler::ArrayList<Region*>* pRegionList;
# Line 458  namespace sfz Line 585  namespace sfz
585          /// assumed to come from a search in the lookup table.          /// assumed to come from a search in the lookup table.
586          bool OnKey(const Query& q);          bool OnKey(const Query& q);
587    
         /// 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);  
   
588          /// Return an articulation for the current state          /// Return an articulation for the current state
589          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);
590    
# Line 474  namespace sfz Line 595  namespace sfz
595          Instrument* pInstrument;          Instrument* pInstrument;
596          int seq_counter;          int seq_counter;
597      };      };
598        
599        class Curve {
600            public:
601                float v[128];
602                Curve() { for (int i = 0; i < 128; i++) v[i] = 0; }
603                Curve(const Curve& curve) { Copy(curve); }
604                void operator=(const Curve& curve) { Copy(curve); }
605                void Copy(const Curve& curve) { for (int i = 0; i < 128; i++) v[i] = curve.v[i]; }
606        };
607    
608      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
609      // class Instrument      // class Instrument
610    
611      /// Provides all neccessary information for the synthesis of an Instrument      /// Provides all necessary information for the synthesis of an Instrument
612      class Instrument : public SampleManager      class Instrument : public SampleManager
613      {      {
614      public:      public:
# Line 494  namespace sfz Line 624  namespace sfz
624    
625          /// List of Regions belonging to this Instrument          /// List of Regions belonging to this Instrument
626          std::vector<Region*> regions;          std::vector<Region*> regions;
627            ::LinuxSampler::ArrayList<Curve> curves;
628    
629          friend class File;          friend class File;
630          friend class Query;          friend class Query;
# Line 504  namespace sfz Line 635  namespace sfz
635          std::vector<bool> KeySwitchBindings;          std::vector<bool> KeySwitchBindings;
636          SampleManager* pSampleManager;          SampleManager* pSampleManager;
637          LookupTable* pLookupTable;          LookupTable* pLookupTable;
638            LookupTable* pLookupTableCC[128];
639      };      };
640    
641      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 548  namespace sfz Line 680  namespace sfz
680          int parseKey(const std::string& value);          int parseKey(const std::string& value);
681          EG& eg(int x);          EG& eg(int x);
682          EGNode& egnode(int x, int y);          EGNode& egnode(int x, int y);
683            LFO& lfo(int x);
684            void copyCurves(LinuxSampler::ArrayList<CC>& curves, LinuxSampler::ArrayList<CC>& dest);
685            void copySmoothValues(LinuxSampler::ArrayList<CC>& smooths, LinuxSampler::ArrayList<CC>& dest);
686    
687          std::string currentDir;          std::string currentDir;
688          /// Pointer to the Instrument belonging to this file          /// Pointer to the Instrument belonging to this file
689          Instrument* _instrument;          Instrument* _instrument;
690    
691          // state variables          // state variables
692          enum section_t { UNKNOWN, GROUP, REGION, CONTROL };          enum section_t { UNKNOWN, GROUP, REGION, CONTROL, CURVE };
693          section_t _current_section;          section_t _current_section;
694          Region* _current_region;          Region* _current_region;
695          Group* _current_group;          Group* _current_group;
696            Curve* _current_curve;
697          Definition* pCurDef;          Definition* pCurDef;
698    
699          // control header directives          // control header directives
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