/[svn]/linuxsampler/trunk/src/engines/sfz/sfz.h
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Contents of /linuxsampler/trunk/src/engines/sfz/sfz.h

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Revision 2253 - (show annotations) (download) (as text)
Sat Aug 20 15:54:07 2011 UTC (9 years, 3 months ago) by iliev
File MIME type: text/x-c++hdr
File size: 26062 byte(s)
* sfz engine: implemented opcodes fillfo_depthchanaft,
  fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
  pitchlfo_depthchanaft, pitchlfo_freqchanaft

1 /***************************************************************************
2 * *
3 * LinuxSampler - modular, streaming capable sampler *
4 * *
5 * Copyright (C) 2008 Anders Dahnielson <anders@dahnielson.com> *
6 * Copyright (C) 2009 - 2011 Anders Dahnielson and Grigor Iliev *
7 * *
8 * 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 *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
12 * *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
17 * *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the Free Software *
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21 * MA 02111-1307 USA *
22 ***************************************************************************/
23
24 #ifndef LIBSFZ_SFZ_H
25 #define LIBSFZ_SFZ_H
26
27 #include <fstream>
28 #include <iostream>
29 #include <vector>
30 #include <string>
31 #include <stdexcept>
32
33 #include "../common/SampleFile.h"
34 #include "../common/SampleManager.h"
35 #include "../../common/ArrayList.h"
36
37 #define TRIGGER_ATTACK ((unsigned char) (1 << 0)) // 0x01
38 #define TRIGGER_RELEASE ((unsigned char) (1 << 1)) // 0x02
39 #define TRIGGER_FIRST ((unsigned char) (1 << 2)) // 0x04
40 #define TRIGGER_LEGATO ((unsigned char) (1 << 3)) // 0x08
41
42 namespace sfz
43 {
44 // Forward declarations
45 class Articulation;
46 class Region;
47 class Group;
48 class Instrument;
49 class File;
50 class LookupTable;
51 class SampleManager;
52
53 class Sample : public LinuxSampler::SampleFileBase<Region> {
54 private:
55 int End;
56 long TotalFrames;
57
58 public:
59 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() { }
76
77 virtual long GetTotalFrameCount() { return TotalFrames; }
78
79 friend class SampleManager;
80 };
81
82 // Enumerations
83 enum sw_vel_t { VEL_CURRENT, VEL_PREVIOUS };
84 enum off_mode_t { OFF_FAST, OFF_NORMAL };
85 enum loop_mode_t { NO_LOOP, ONE_SHOT, LOOP_CONTINUOUS, LOOP_SUSTAIN, LOOP_UNSET };
86 enum curve_t { GAIN, POWER };
87 enum filter_t { LPF_1P, HPF_1P, BPF_1P, BRF_1P, APF_1P,
88 LPF_2P, HPF_2P, BPF_2P, BRF_2P, PKF_2P,
89 LPF_4P, HPF_4P,
90 LPF_6P, HPF_6P };
91
92 typedef unsigned char trigger_t;
93 typedef unsigned char uint8_t;
94
95 class SampleManager : public LinuxSampler::SampleManager<Sample, Region> {
96 public:
97 Sample* FindSample(std::string samplePath, uint offset, int end);
98
99 protected:
100 virtual void OnSampleInUse(Sample* pSample) {
101 pSample->Open();
102 }
103
104 virtual void OnSampleInNotUse(Sample* pSample) {
105 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
136
137 class Exception :
138 public std::runtime_error
139 {
140 public:
141 Exception(const std::string& msg) :
142 runtime_error(msg)
143 {
144 }
145
146 std::string Message()
147 {
148 return what();
149 }
150
151 void PrintMessage()
152 {
153 std::cerr << what() << std::endl << std::flush;
154 }
155 };
156
157 /////////////////////////////////////////////////////////////
158 // class optional
159
160 // Handy class nicked from LinuxSampler...
161 // Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck
162 // Copyright (C) 2005, 2006 Christian Schoenebeck
163
164 class optional_base
165 {
166 public:
167 class nothing_t { public: nothing_t() {} };
168 static const nothing_t nothing;
169 };
170
171 template<class T>
172 class optional :
173 public optional_base
174 {
175 public:
176 optional()
177 {
178 initialized = false;
179 }
180
181 optional(T data)
182 {
183 this->data = data;
184 initialized = true;
185 }
186
187 optional(nothing_t)
188 {
189 initialized = false;
190 }
191
192 template <class T_inner>
193 optional(T_inner data)
194 {
195 this->data = T(data);
196 initialized = true;
197 }
198
199 const T& get() const throw (Exception)
200 {
201 if (!initialized) throw Exception("optional variable not initialized");
202 return data;
203 }
204
205 T& get() throw (Exception)
206 {
207 if (!initialized) throw Exception("optional variable not initialized");
208 return data;
209 }
210
211 void unset()
212 {
213 initialized = false;
214 }
215
216 optional& operator =(const optional& arg) throw (Exception)
217 {
218 if (!arg.initialized) {
219 initialized = false;
220 } else {
221 this->data = arg.data;
222 initialized = true;
223 }
224 return *this;
225 }
226
227 optional& operator =(const T& arg)
228 {
229 this->data = arg;
230 initialized = true;
231 return *this;
232 }
233
234 const T& operator *() const throw (Exception) { return get(); }
235 T& operator *() throw (Exception) { return get(); }
236
237 const T* operator ->() const throw (Exception)
238 {
239 if (!initialized) throw Exception("optional variable not initialized");
240 return &data;
241 }
242
243 T* operator ->() throw (Exception)
244 {
245 if (!initialized) throw Exception("optional variable not initialized");
246 return &data;
247 }
248
249 operator bool() const { return initialized; }
250 bool operator !() const { return !initialized; }
251
252 protected:
253 T data;
254 bool initialized;
255 };
256
257 /////////////////////////////////////////////////////////////
258 // class Articulation
259
260 // Articulation containing all performance parameters for synthesis
261 class Articulation
262 {
263 public:
264 Articulation();
265 virtual ~Articulation();
266 };
267
268 class EGNode
269 {
270 public:
271 float time;
272 float level;
273 float shape;
274 float curve;
275 LinuxSampler::ArrayList<CC> time_oncc;
276 LinuxSampler::ArrayList<CC> level_oncc;
277
278 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
285 {
286 public:
287 LinuxSampler::ArrayList<EGNode> node;
288 int sustain;
289 int loop;
290 int loop_count;
291 float amplitude;
292 float volume;
293 float cutoff;
294 int pitch; // -9600 to 9600 cents
295 float resonance; // 0 to 40 dB
296 float pan; // -100 to 100 %
297 int pan_curve;
298
299 LinuxSampler::ArrayList<CC> amplitude_oncc;
300 LinuxSampler::ArrayList<CC> volume_oncc;
301 LinuxSampler::ArrayList<CC> cutoff_oncc; // -9600 to 9600 cents
302 LinuxSampler::ArrayList<CC> pitch_oncc;
303 LinuxSampler::ArrayList<CC> resonance_oncc; // 0 to 40 dB
304 LinuxSampler::ArrayList<CC> pan_oncc; // -100 to 100 %
305 LinuxSampler::ArrayList<CC> pan_curvecc; // used only as temporary buffer during the parsing - values are then moved to pan_oncc
306
307 EG();
308 EG(const EG& eg) { Copy(eg); }
309 void operator=(const EG& eg) { Copy(eg); }
310 void Copy(const EG& eg);
311 };
312
313 class LFO
314 {
315 public:
316 float delay; // 0 to 100 seconds
317 float freq; // 0 to 20 Hz
318 float fade; // 0 to 100 seconds
319 float phase; // 0 to 360 degrees
320 uint wave; // 0 to 4294967296
321 float volume; // -144 to 6 dB
322 int pitch; // -9600 to 9600 cents
323 int cutoff; // -9600 to 9600 cents
324 float resonance; // 0 to 40 dB
325 float pan; // -100 to 100 %
326
327 LinuxSampler::ArrayList<CC> delay_oncc; // 0 to 100 seconds
328 LinuxSampler::ArrayList<CC> freq_oncc; // 0 to 20 Hz
329 LinuxSampler::ArrayList<CC> freq_smoothcc; // 0 to ? milliseconds
330 LinuxSampler::ArrayList<CC> fade_oncc; // 0 to 100 seconds
331 LinuxSampler::ArrayList<CC> phase_oncc; // 0 to 360 degrees
332 LinuxSampler::ArrayList<CC> volume_oncc; // -144 to 6 dB
333 LinuxSampler::ArrayList<CC> volume_smoothcc; // 0 to ? milliseconds
334 LinuxSampler::ArrayList<CC> pitch_oncc;
335 LinuxSampler::ArrayList<CC> pitch_smoothcc; // 0 to ? milliseconds
336 LinuxSampler::ArrayList<CC> pan_oncc; // -100 to 100 %
337 LinuxSampler::ArrayList<CC> pan_smoothcc; // 0 to ? milliseconds
338 LinuxSampler::ArrayList<CC> cutoff_oncc; // -9600 to 9600 cents
339 LinuxSampler::ArrayList<CC> cutoff_smoothcc; // 0 to ? milliseconds
340 LinuxSampler::ArrayList<CC> resonance_oncc; // 0 to 40 dB
341 LinuxSampler::ArrayList<CC> resonance_smoothcc; // 0 to ? milliseconds
342
343 LFO();
344 LFO(const LFO& lfo) { Copy(lfo); }
345 void operator=(const LFO& lfo) { Copy(lfo); }
346 void Copy(const LFO& lfo);
347 };
348
349 // Fixed size array with copy-on-write semantics
350 template<class T>
351 class Array
352 {
353 private:
354 struct Rep {
355 int refcount;
356 T a[128];
357
358 Rep() : refcount(1) { }
359 static void release(Rep* rep) {
360 if (!--rep->refcount) delete rep;
361 }
362 } *ptr;
363 public:
364 Array() : ptr(0) { }
365 ~Array() { Rep::release(ptr); }
366
367 Array& operator=(const Array& array) {
368 if (this != &array) {
369 ptr = array.ptr;
370 if (ptr) ptr->refcount++;
371 }
372 return *this;
373 }
374
375 const T& operator[](int i) const { return ptr->a[i]; }
376
377 void set(int i, const T& v) {
378 if (!ptr) {
379 ptr = new Rep;
380 } else if (ptr->refcount > 1 && ptr->a[i] != v) {
381 Rep* newptr = new Rep(*ptr);
382 newptr->refcount = 1;
383 Rep::release(ptr);
384 ptr = newptr;
385 }
386 ptr->a[i] = v;
387 }
388 };
389
390 /////////////////////////////////////////////////////////////
391 // class Definition
392
393 // Base definition used by groups and regions
394 class Definition
395 {
396 public:
397 Definition();
398 virtual ~Definition();
399
400 // sample definition
401 std::string sample;
402
403 // input controls
404 int lochan; int hichan;
405 int lokey; int hikey;
406 int lovel; int hivel;
407 Array<int> locc; Array<int> hicc;
408 int lobend; int hibend;
409 float lobpm; float hibpm;
410 int lochanaft; int hichanaft;
411 int lopolyaft; int hipolyaft;
412 int loprog; int hiprog;
413 float lorand; float hirand;
414 float lotimer; float hitimer;
415
416 int seq_length;
417 int seq_position;
418
419 Array<int> start_locc; Array<int> start_hicc;
420 Array<int> stop_locc; Array<int> stop_hicc;
421
422 int sw_lokey; int sw_hikey;
423 int sw_last;
424 int sw_down;
425 int sw_up;
426 int sw_previous;
427 sw_vel_t sw_vel;
428
429 trigger_t trigger;
430
431 uint group;
432 uint off_by;
433 off_mode_t off_mode;
434
435 Array<int> on_locc; Array<int> on_hicc;
436
437 // sample player
438 optional<int> count;
439 optional<float> delay; optional<float> delay_random; Array<optional<float> > delay_oncc;
440 optional<int> delay_beats; optional<int> stop_beats;
441 optional<int> delay_samples; Array<optional<int> > delay_samples_oncc;
442 optional<int> end;
443 optional<float> loop_crossfade;
444 optional<uint> offset; optional<int> offset_random; Array<optional<int> > offset_oncc;
445 loop_mode_t loop_mode;
446 optional<int> loop_start; optional<int> loop_end;
447 optional<int> sync_beats;
448 optional<int> sync_offset;
449
450 // amplifier
451 float volume;
452 float pan;
453 float width;
454 float position;
455 float amp_keytrack; int amp_keycenter; float amp_veltrack; Array<float> amp_velcurve; float amp_random;
456 float rt_decay;
457 Array<float> gain_oncc;
458 int xfin_lokey; int xfin_hikey;
459 int xfout_lokey; int xfout_hikey;
460 curve_t xf_keycurve;
461 int xfin_lovel; int xfin_hivel;
462 int xfout_lovel; int xfout_hivel;
463 curve_t xf_velcurve;
464 Array<int> xfin_locc; Array<int> xfin_hicc;
465 Array<int> xfout_locc; Array<int> xfout_hicc;
466 curve_t xf_cccurve;
467
468 // pitch
469 int transpose;
470 int tune;
471 int pitch_keycenter; int pitch_keytrack; int pitch_veltrack; int pitch_random;
472 int bend_up; int bend_down; int bend_step;
473
474 // filter
475 filter_t fil_type; filter_t fil2_type;
476 optional<float> cutoff; optional<float> cutoff2;
477 LinuxSampler::ArrayList<CC> cutoff_oncc, cutoff2_oncc;
478 LinuxSampler::ArrayList<CC> cutoff_smoothcc, cutoff2_smoothcc;
479 Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc;
480 LinuxSampler::ArrayList<CC> cutoff_curvecc, cutoff2_curvecc;
481 int cutoff_chanaft; int cutoff2_chanaft;
482 int cutoff_polyaft; int cutoff2_polyaft;
483 float resonance; float resonance2;
484 LinuxSampler::ArrayList<CC> resonance_oncc, resonance2_oncc;
485 LinuxSampler::ArrayList<CC> resonance_smoothcc, resonance2_smoothcc;
486 Array<int> resonance_stepcc; Array<int> resonance2_stepcc;
487 LinuxSampler::ArrayList<CC> resonance_curvecc, resonance2_curvecc;
488 int fil_keytrack; int fil2_keytrack;
489 int fil_keycenter; int fil2_keycenter;
490 int fil_veltrack; int fil2_veltrack;
491 int fil_random; int fil2_random;
492
493 // per voice equalizer
494 float eq1_freq; float eq2_freq; float eq3_freq;
495 Array<float> eq1_freq_oncc; Array<float> eq2_freq_oncc; Array<float> eq3_freq_oncc;
496 float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq;
497 float eq1_bw; float eq2_bw; float eq3_bw;
498 Array<float> eq1_bw_oncc; Array<float> eq2_bw_oncc; Array<float> eq3_bw_oncc;
499 float eq1_gain; float eq2_gain; float eq3_gain;
500 Array<float> eq1_gain_oncc; Array<float> eq2_gain_oncc; Array<float> eq3_gain_oncc;
501 float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain;
502
503 //Deprecated (from version 1)
504 float ampeg_delay, ampeg_start, ampeg_attack, ampeg_hold, ampeg_decay, ampeg_sustain, ampeg_release;
505 float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release;
506 LinuxSampler::ArrayList<CC> ampeg_delaycc, ampeg_startcc, ampeg_attackcc, ampeg_holdcc;
507 LinuxSampler::ArrayList<CC> ampeg_decaycc, ampeg_sustaincc, ampeg_releasecc;
508 float fileg_delay, fileg_start, fileg_attack, fileg_hold, fileg_decay, fileg_sustain, fileg_release;
509 float fileg_vel2delay, fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain, fileg_vel2release;
510 LinuxSampler::ArrayList<CC> fileg_delay_oncc, fileg_start_oncc, fileg_attack_oncc, fileg_hold_oncc;
511 LinuxSampler::ArrayList<CC> fileg_decay_oncc, fileg_sustain_oncc, fileg_release_oncc, fileg_depth_oncc;
512 float pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold, pitcheg_decay, pitcheg_sustain, pitcheg_release;
513 float pitcheg_vel2delay, pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay, pitcheg_vel2sustain, pitcheg_vel2release;
514 int fileg_depth, pitcheg_depth;
515 LinuxSampler::ArrayList<CC> pitcheg_delay_oncc, pitcheg_start_oncc, pitcheg_attack_oncc, pitcheg_hold_oncc;
516 LinuxSampler::ArrayList<CC> pitcheg_decay_oncc, pitcheg_sustain_oncc, pitcheg_release_oncc, pitcheg_depth_oncc;
517 float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;
518 float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;
519 float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;
520 int pitchlfo_depth;
521
522 LinuxSampler::ArrayList<CC> pitchlfo_delay_oncc; // 0 to 100 seconds
523 LinuxSampler::ArrayList<CC> pitchlfo_fade_oncc; // 0 to 100 seconds
524 LinuxSampler::ArrayList<CC> pitchlfo_depthcc; // -1200 to 1200 cents
525 LinuxSampler::ArrayList<CC> pitchlfo_freqcc; // 0 to 20 Hz
526 LinuxSampler::ArrayList<CC> fillfo_delay_oncc; // 0 to 100 seconds
527 LinuxSampler::ArrayList<CC> fillfo_fade_oncc; // 0 to 100 seconds
528 LinuxSampler::ArrayList<CC> fillfo_depthcc; // -1200 to 1200 cents
529 LinuxSampler::ArrayList<CC> fillfo_freqcc; // 0 to 20 Hz
530 LinuxSampler::ArrayList<CC> amplfo_delay_oncc; // 0 to 100 seconds
531 LinuxSampler::ArrayList<CC> amplfo_fade_oncc; // 0 to 100 seconds
532 LinuxSampler::ArrayList<CC> amplfo_depthcc; // -10 to 10 dB
533 LinuxSampler::ArrayList<CC> amplfo_freqcc; // 0 to 20 Hz
534
535 // envelope generators
536 LinuxSampler::ArrayList<EG> eg;
537
538 // low frequency oscillators
539 LinuxSampler::ArrayList<LFO> lfos;
540
541 LinuxSampler::ArrayList<CC> volume_oncc;
542 LinuxSampler::ArrayList<CC> volume_curvecc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
543 LinuxSampler::ArrayList<CC> volume_smoothcc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
544
545 LinuxSampler::ArrayList<CC> pan_oncc; // -100 to 100 %
546 LinuxSampler::ArrayList<CC> pan_curvecc; // used only as temporary buffer during the parsing - values are then moved to pan_oncc
547 LinuxSampler::ArrayList<CC> pan_smoothcc; // used only as temporary buffer during the parsing - values are then moved to pan_oncc
548 };
549
550 class Query {
551 public:
552 uint8_t chan; // MIDI channel
553 uint8_t key; // MIDI note
554 uint8_t vel; // MIDI velocity
555 int bend; // MIDI pitch bend
556 uint8_t bpm; // host BPM
557 uint8_t chanaft; // MIDI channel pressure
558 uint8_t polyaft; // MIDI polyphonic aftertouch
559 uint8_t prog; // MIDI program change
560 float rand; // generated random number
561 trigger_t trig; // how it was triggered
562 uint8_t* cc; // all 128 CC values
563 float timer; // time since previous region in the group was triggered
564 bool* sw; // state of region key switches, 128 possible values
565 uint8_t last_sw_key; // last key pressed in the key switch range
566 uint8_t prev_sw_key; // previous note value
567
568 void search(const Instrument* pInstrument);
569 void search(const Instrument* pInstrument, int triggercc);
570 Region* next();
571 private:
572 LinuxSampler::ArrayList<Region*>* pRegionList;
573 int regionIndex;
574 };
575
576 /////////////////////////////////////////////////////////////
577 // class Region
578
579 /// Defines Region information of an Instrument
580 class Region :
581 public Definition
582 {
583 public:
584 Region();
585 virtual ~Region();
586
587 Sample* pSample;
588 Sample* GetSample(bool create = true);
589 void DestroySampleIfNotUsed();
590
591 Region* GetParent() { return this; }; // needed by EngineBase
592 Instrument* GetInstrument() { return pInstrument; }
593 void SetInstrument(Instrument* pInstrument) { this->pInstrument = pInstrument; }
594
595 bool HasLoop();
596 uint GetLoopStart();
597 uint GetLoopEnd();
598 uint GetLoopCount();
599
600 /// Return true if region is triggered by key. Region is
601 /// assumed to come from a search in the lookup table.
602 bool OnKey(const Query& q);
603
604 /// Return an articulation for the current state
605 Articulation* GetArticulation(int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft, uint8_t* cc);
606
607 // unique region id
608 int id;
609
610 private:
611 Instrument* pInstrument;
612 int seq_counter;
613 };
614
615 class Curve {
616 public:
617 float v[128];
618 Curve() { for (int i = 0; i < 128; i++) v[i] = 0; }
619 Curve(const Curve& curve) { Copy(curve); }
620 void operator=(const Curve& curve) { Copy(curve); }
621 void Copy(const Curve& curve) { for (int i = 0; i < 128; i++) v[i] = curve.v[i]; }
622 };
623
624 /////////////////////////////////////////////////////////////
625 // class Instrument
626
627 /// Provides all necessary information for the synthesis of an Instrument
628 class Instrument : public SampleManager
629 {
630 public:
631 Instrument(std::string name = "Unknown", SampleManager* pSampleManager = NULL);
632 virtual ~Instrument();
633
634 std::string GetName() { return name; }
635 SampleManager* GetSampleManager() { return pSampleManager; }
636
637 bool DestroyRegion(Region* pRegion);
638 bool HasKeyBinding(uint8_t key);
639 bool HasKeySwitchBinding(uint8_t key);
640
641 /// List of Regions belonging to this Instrument
642 std::vector<Region*> regions;
643 ::LinuxSampler::ArrayList<Curve> curves;
644
645 friend class File;
646 friend class Query;
647
648 private:
649 std::string name;
650 std::vector<bool> KeyBindings;
651 std::vector<bool> KeySwitchBindings;
652 SampleManager* pSampleManager;
653 LookupTable* pLookupTable;
654 LookupTable* pLookupTableCC[128];
655 };
656
657 /////////////////////////////////////////////////////////////
658 // class Group
659
660 /// A Group act just as a template containing Region default values
661 class Group :
662 public Definition
663 {
664 public:
665 Group();
666 virtual ~Group();
667
668 /// Reset Group to default values
669 void Reset();
670
671 /// Create a new Region
672 Region* RegionFactory();
673
674 // id counter
675 int id;
676
677 };
678
679 /////////////////////////////////////////////////////////////
680 // class File
681
682 /// Parses SFZ files and provides abstract access to the data
683 class File
684 {
685 public:
686 /// Load an existing SFZ file
687 File(std::string file, SampleManager* pSampleManager = NULL);
688 virtual ~File();
689
690 /// Returns a pointer to the instrument object
691 Instrument* GetInstrument();
692
693 private:
694 void push_header(std::string token);
695 void push_opcode(std::string token);
696 int parseKey(const std::string& value);
697 EG& eg(int x);
698 EGNode& egnode(int x, int y);
699 LFO& lfo(int x);
700 void copyCurves(LinuxSampler::ArrayList<CC>& curves, LinuxSampler::ArrayList<CC>& dest);
701 void copySmoothValues(LinuxSampler::ArrayList<CC>& smooths, LinuxSampler::ArrayList<CC>& dest);
702
703 int ToInt(const std::string& s) throw(LinuxSampler::Exception);
704 float ToFloat(const std::string& s) throw(LinuxSampler::Exception);
705
706 int currentLine;
707 std::string currentDir;
708 /// Pointer to the Instrument belonging to this file
709 Instrument* _instrument;
710
711 // state variables
712 enum section_t { UNKNOWN, GROUP, REGION, CONTROL, CURVE };
713 section_t _current_section;
714 Region* _current_region;
715 Group* _current_group;
716 Curve* _current_curve;
717 Definition* pCurDef;
718
719 // control header directives
720 std::string default_path;
721 int octave_offset;
722 int note_offset;
723 };
724
725 } // !namespace sfz
726
727 #endif // !LIBSFZ_SFZ_H

Properties

Name Value
svn:executable *

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