/[svn]/linuxsampler/trunk/src/engines/sfz/sfz.h
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revision 2114 by persson, Tue Aug 10 12:05:19 2010 UTC revision 2234 by iliev, Tue Aug 9 18:27:58 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 236  namespace sfz Line 291  namespace sfz
291          float amplitude;          float amplitude;
292          float cutoff;          float cutoff;
293          EG();          EG();
294            EG(const EG& eg) { Copy(eg); }
295            void operator=(const EG& eg) { Copy(eg); }
296            void Copy(const EG& eg);
297        };
298    
299        class LFO
300        {
301        public:
302            float delay; // 0 to 100 seconds
303            float freq; // 0 to 20 Hz
304            float fade; // 0 to 100 seconds
305            float phase; // 0 to 360 degrees
306            uint  wave; // 0 to 4294967296
307            float volume; // -144 to 6 dB
308            int   pitch; // -9600 to 9600 cents
309            int   cutoff; // -9600 to 9600 cents
310            float resonance; // 0 to 40 dB
311            float pan; // -100 to 100 %
312            
313            LinuxSampler::ArrayList<CC> delay_oncc; // 0 to 100 seconds
314            LinuxSampler::ArrayList<CC> freq_oncc; // 0 to 20 Hz
315            LinuxSampler::ArrayList<CC> freq_smoothcc; // 0 to ? milliseconds
316            LinuxSampler::ArrayList<CC> fade_oncc; // 0 to 100 seconds
317            LinuxSampler::ArrayList<CC> phase_oncc; // 0 to 360 degrees
318            LinuxSampler::ArrayList<CC> volume_oncc; // -144 to 6 dB
319            LinuxSampler::ArrayList<CC> volume_smoothcc; // 0 to ? milliseconds
320            LinuxSampler::ArrayList<CC> pitch_oncc;
321            LinuxSampler::ArrayList<CC> pitch_smoothcc; // 0 to ? milliseconds
322            LinuxSampler::ArrayList<CC> pan_oncc; // -100 to 100 %
323            LinuxSampler::ArrayList<CC> pan_smoothcc; // 0 to ? milliseconds
324            LinuxSampler::ArrayList<CC> cutoff_oncc; // -9600 to 9600 cents
325            LinuxSampler::ArrayList<CC> cutoff_smoothcc; // 0 to ? milliseconds
326            LinuxSampler::ArrayList<CC> resonance_oncc; // 0 to 40 dB
327            LinuxSampler::ArrayList<CC> resonance_smoothcc; // 0 to ? milliseconds
328            
329            LFO();
330            LFO(const LFO& lfo) { Copy(lfo); }
331            void operator=(const LFO& lfo) { Copy(lfo); }
332            void Copy(const LFO& lfo);
333      };      };
334    
335      // Fixed size array with copy-on-write semantics      // Fixed size array with copy-on-write semantics
# Line 333  namespace sfz Line 427  namespace sfz
427          optional<int> delay_samples; Array<optional<int> > delay_samples_oncc;          optional<int> delay_samples; Array<optional<int> > delay_samples_oncc;
428          optional<int> end;          optional<int> end;
429          optional<float> loop_crossfade;          optional<float> loop_crossfade;
430          optional<int> offset; optional<int> offset_random; Array<optional<int> > offset_oncc;          optional<uint> offset; optional<int> offset_random; Array<optional<int> > offset_oncc;
431          loop_mode_t loop_mode;          loop_mode_t loop_mode;
432          optional<int> loop_start; optional<int> loop_end;          optional<int> loop_start; optional<int> loop_end;
433          optional<int> sync_beats;          optional<int> sync_beats;
# Line 367  namespace sfz Line 461  namespace sfz
461          filter_t fil_type; filter_t fil2_type;          filter_t fil_type; filter_t fil2_type;
462          optional<float> cutoff; optional<float> cutoff2;          optional<float> cutoff; optional<float> cutoff2;
463          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;          Array<int> cutoff_oncc; Array<int> cutoff2_oncc;
464            int cutoff_cc; // TODO: this is just a temporary fix to avoid
465                           // looping through the cutoff_oncc array
466          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;          Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc;
467          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;          Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;
468          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;          Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc;
# Line 394  namespace sfz Line 490  namespace sfz
490    
491          //Deprecated (from version 1)          //Deprecated (from version 1)
492          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;
493            float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release;
494            LinuxSampler::ArrayList<CC> ampeg_delaycc, ampeg_startcc, ampeg_attackcc, ampeg_holdcc;
495            LinuxSampler::ArrayList<CC> ampeg_decaycc, ampeg_sustaincc, ampeg_releasecc;
496          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;
497            float fileg_vel2delay, fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain, fileg_vel2release;
498          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;
499            float pitcheg_vel2delay, pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay, pitcheg_vel2sustain, pitcheg_vel2release;
500            int   fileg_depth, pitcheg_depth;
501          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;          float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;
502          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;          float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;
503          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;          float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;
504          int pitchlfo_depth;          int pitchlfo_depth;
505            Array<int> pitchlfo_depthcc;
506            
507            LinuxSampler::ArrayList<CC> pitchlfo_freqcc; // 0 to 20 Hz
508            LinuxSampler::ArrayList<CC> fillfo_depthcc;  // -1200 to 1200 cents
509            LinuxSampler::ArrayList<CC> fillfo_freqcc;   // 0 to 20 Hz
510            LinuxSampler::ArrayList<CC> amplfo_depthcc;  // -10 to 10 dB
511            LinuxSampler::ArrayList<CC> amplfo_freqcc;   // 0 to 20 Hz
512    
513          // envelope generators          // envelope generators
514          LinuxSampler::ArrayList<EG> eg;          LinuxSampler::ArrayList<EG> eg;
515    
516            // low frequency oscillators
517            LinuxSampler::ArrayList<LFO> lfos;
518            
519            LinuxSampler::ArrayList<CC> volume_oncc;
520            LinuxSampler::ArrayList<CC> volume_curvecc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
521            LinuxSampler::ArrayList<CC> volume_smoothcc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
522      };      };
523    
524      class Query {      class Query {
525      public:      public:
526          uint8_t chan;        // MIDI channel          uint8_t chan;        // MIDI channel
527          uint8_t key;         // MIDI note      TODO: or controller          uint8_t key;         // MIDI note
528          uint8_t vel;         // MIDI velocity          uint8_t vel;         // MIDI velocity
529          int bend;            // MIDI pitch bend          int bend;            // MIDI pitch bend
530          uint8_t bpm;         // host BPM          uint8_t bpm;         // host BPM
# Line 424  namespace sfz Line 540  namespace sfz
540          uint8_t prev_sw_key; // previous note value          uint8_t prev_sw_key; // previous note value
541    
542          void search(const Instrument* pInstrument);          void search(const Instrument* pInstrument);
543            void search(const Instrument* pInstrument, int triggercc);
544          Region* next();          Region* next();
545      private:      private:
546          LinuxSampler::ArrayList<Region*>* pRegionList;          LinuxSampler::ArrayList<Region*>* pRegionList;
# Line 458  namespace sfz Line 575  namespace sfz
575          /// assumed to come from a search in the lookup table.          /// assumed to come from a search in the lookup table.
576          bool OnKey(const Query& q);          bool OnKey(const Query& q);
577    
         /// 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);  
   
578          /// Return an articulation for the current state          /// Return an articulation for the current state
579          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);
580    
# Line 474  namespace sfz Line 585  namespace sfz
585          Instrument* pInstrument;          Instrument* pInstrument;
586          int seq_counter;          int seq_counter;
587      };      };
588        
589        class Curve {
590            public:
591                float v[128];
592                Curve() { for (int i = 0; i < 128; i++) v[i] = 0; }
593                Curve(const Curve& curve) { Copy(curve); }
594                void operator=(const Curve& curve) { Copy(curve); }
595                void Copy(const Curve& curve) { for (int i = 0; i < 128; i++) v[i] = curve.v[i]; }
596        };
597    
598      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
599      // class Instrument      // class Instrument
600    
601      /// Provides all neccessary information for the synthesis of an Instrument      /// Provides all necessary information for the synthesis of an Instrument
602      class Instrument : public SampleManager      class Instrument : public SampleManager
603      {      {
604      public:      public:
# Line 494  namespace sfz Line 614  namespace sfz
614    
615          /// List of Regions belonging to this Instrument          /// List of Regions belonging to this Instrument
616          std::vector<Region*> regions;          std::vector<Region*> regions;
617            ::LinuxSampler::ArrayList<Curve> curves;
618    
619          friend class File;          friend class File;
620          friend class Query;          friend class Query;
# Line 504  namespace sfz Line 625  namespace sfz
625          std::vector<bool> KeySwitchBindings;          std::vector<bool> KeySwitchBindings;
626          SampleManager* pSampleManager;          SampleManager* pSampleManager;
627          LookupTable* pLookupTable;          LookupTable* pLookupTable;
628            LookupTable* pLookupTableCC[128];
629      };      };
630    
631      /////////////////////////////////////////////////////////////      /////////////////////////////////////////////////////////////
# Line 548  namespace sfz Line 670  namespace sfz
670          int parseKey(const std::string& value);          int parseKey(const std::string& value);
671          EG& eg(int x);          EG& eg(int x);
672          EGNode& egnode(int x, int y);          EGNode& egnode(int x, int y);
673            LFO& lfo(int x);
674            void copyCurves(LinuxSampler::ArrayList<CC>& curves, LinuxSampler::ArrayList<CC>& dest);
675            void copySmoothValues(LinuxSampler::ArrayList<CC>& smooths, LinuxSampler::ArrayList<CC>& dest);
676    
677          std::string currentDir;          std::string currentDir;
678          /// Pointer to the Instrument belonging to this file          /// Pointer to the Instrument belonging to this file
679          Instrument* _instrument;          Instrument* _instrument;
680    
681          // state variables          // state variables
682          enum section_t { UNKNOWN, GROUP, REGION, CONTROL };          enum section_t { UNKNOWN, GROUP, REGION, CONTROL, CURVE };
683          section_t _current_section;          section_t _current_section;
684          Region* _current_region;          Region* _current_region;
685          Group* _current_group;          Group* _current_group;
686            Curve* _current_curve;
687          Definition* pCurDef;          Definition* pCurDef;
688    
689          // control header directives          // control header directives
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