/[svn]/linuxsampler/trunk/src/engines/sfz/sfz.h
ViewVC logotype

Contents of /linuxsampler/trunk/src/engines/sfz/sfz.h

Parent Directory Parent Directory | Revision Log Revision Log


Revision 2856 - (show annotations) (download) (as text)
Wed Jan 6 10:02:40 2016 UTC (22 months, 2 weeks ago) by persson
File MIME type: text/x-c++hdr
File size: 29829 byte(s)
* sfz engine: added support for <global>, <master> and #define (patch
  by Alby M)

1 /***************************************************************************
2 * *
3 * LinuxSampler - modular, streaming capable sampler *
4 * *
5 * Copyright (C) 2008 Anders Dahnielson <anders@dahnielson.com> *
6 * Copyright (C) 2009 - 2016 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 <stack>
31 #include <string>
32 #include <stdexcept>
33
34 #include "../common/SampleFile.h"
35 #include "../common/SampleManager.h"
36 #include "../../common/ArrayList.h"
37
38 #define TRIGGER_ATTACK ((unsigned char) (1 << 0)) // 0x01
39 #define TRIGGER_RELEASE ((unsigned char) (1 << 1)) // 0x02
40 #define TRIGGER_FIRST ((unsigned char) (1 << 2)) // 0x04
41 #define TRIGGER_LEGATO ((unsigned char) (1 << 3)) // 0x08
42
43 namespace sfz
44 {
45 // Forward declarations
46 class Articulation;
47 class Region;
48 class Group;
49 class Instrument;
50 class File;
51 class LookupTable;
52 class SampleManager;
53
54 class Sample : public LinuxSampler::SampleFileBase<Region> {
55 private:
56 int End;
57 long TotalFrames;
58
59 public:
60 Sample(String File, bool DontClose = false, uint offset = 0, int end = 0 /* 0 means unspecified */)
61 : LinuxSampler::SampleFileBase<Region>(File, DontClose)
62 {
63 Offset = offset;
64 End = end;
65
66 long tfc = LinuxSampler::SampleFileBase<Region>::GetTotalFrameCount();
67 if (Offset >= tfc) {
68 std::cerr << "Offset for file '" << this->GetFile() << "' too long (" << Offset << ")" << std::endl;
69 Offset = 0;
70 }
71
72 if (End == 0 || End > tfc) TotalFrames = tfc;
73 else if (End == -1 || End < Offset) TotalFrames = 0;
74 else TotalFrames = End;
75 }
76 virtual ~Sample() { }
77
78 virtual long GetTotalFrameCount() { return TotalFrames; }
79
80 friend class SampleManager;
81 };
82
83 // Enumerations
84 enum sw_vel_t { VEL_CURRENT, VEL_PREVIOUS };
85 enum off_mode_t { OFF_FAST, OFF_NORMAL };
86 enum loop_mode_t { NO_LOOP, ONE_SHOT, LOOP_CONTINUOUS, LOOP_SUSTAIN, LOOP_UNSET };
87 enum curve_t { GAIN, POWER };
88 enum filter_t { LPF_1P, HPF_1P, BPF_1P, BRF_1P, APF_1P,
89 LPF_2P, HPF_2P, BPF_2P, BRF_2P, PKF_2P,
90 LPF_4P, HPF_4P,
91 LPF_6P, HPF_6P };
92
93 typedef unsigned char trigger_t;
94 typedef unsigned char uint8_t;
95
96 class SampleManager : public LinuxSampler::SampleManager<Sample, Region> {
97 public:
98 Sample* FindSample(std::string samplePath, uint offset, int end);
99
100 protected:
101 virtual void OnSampleInUse(Sample* pSample) {
102 pSample->Open();
103 }
104
105 virtual void OnSampleInNotUse(Sample* pSample) {
106 pSample->Close();
107 }
108 };
109
110 class CC {
111 public:
112 uint8_t Controller; ///< MIDI controller number.
113 short int Curve;
114 float Influence; ///< Controller Value.
115 float Smooth; ///< The speed of parameter change in milliseconds
116 float Step;
117
118 CC (
119 uint8_t Controller = 0,
120 float Influence = 0,
121 short int Curve = -1,
122 float Smooth = 0,
123 float Step = 0
124 ) {
125 this->Controller = Controller;
126 this->Influence = Influence;
127 this->Curve = Curve;
128 this->Smooth = Smooth;
129 this->Step = Step;
130 }
131
132 CC(const CC& cc) { Copy(cc); }
133 void operator=(const CC& cc) { Copy(cc); }
134
135 void Copy(const CC& cc) {
136 Controller = cc.Controller;
137 Influence = cc.Influence;
138 Curve = cc.Curve;
139 Smooth = cc.Smooth;
140 Step = cc.Step;
141 }
142 };
143
144 /////////////////////////////////////////////////////////////
145 // class Exception
146
147 class Exception :
148 public std::runtime_error
149 {
150 public:
151 Exception(const std::string& msg) :
152 runtime_error(msg)
153 {
154 }
155
156 std::string Message()
157 {
158 return what();
159 }
160
161 void PrintMessage()
162 {
163 std::cerr << what() << std::endl << std::flush;
164 }
165 };
166
167 /////////////////////////////////////////////////////////////
168 // class optional
169
170 // Handy class nicked from LinuxSampler...
171 // Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck
172 // Copyright (C) 2005, 2006 Christian Schoenebeck
173
174 class optional_base
175 {
176 public:
177 class nothing_t { public: nothing_t() {} };
178 static const nothing_t nothing;
179 };
180
181 template<class T>
182 class optional :
183 public optional_base
184 {
185 public:
186 optional()
187 {
188 initialized = false;
189 }
190
191 optional(T data)
192 {
193 this->data = data;
194 initialized = true;
195 }
196
197 optional(nothing_t)
198 {
199 initialized = false;
200 }
201
202 template <class T_inner>
203 optional(T_inner data)
204 {
205 this->data = T(data);
206 initialized = true;
207 }
208
209 const T& get() const throw (Exception)
210 {
211 if (!initialized) throw Exception("optional variable not initialized");
212 return data;
213 }
214
215 T& get() throw (Exception)
216 {
217 if (!initialized) throw Exception("optional variable not initialized");
218 return data;
219 }
220
221 void unset()
222 {
223 initialized = false;
224 }
225
226 optional& operator =(const optional& arg) throw (Exception)
227 {
228 if (!arg.initialized) {
229 initialized = false;
230 } else {
231 this->data = arg.data;
232 initialized = true;
233 }
234 return *this;
235 }
236
237 optional& operator =(const T& arg)
238 {
239 this->data = arg;
240 initialized = true;
241 return *this;
242 }
243
244 const T& operator *() const throw (Exception) { return get(); }
245 T& operator *() throw (Exception) { return get(); }
246
247 const T* operator ->() const throw (Exception)
248 {
249 if (!initialized) throw Exception("optional variable not initialized");
250 return &data;
251 }
252
253 T* operator ->() throw (Exception)
254 {
255 if (!initialized) throw Exception("optional variable not initialized");
256 return &data;
257 }
258
259 operator bool() const { return initialized; }
260 bool operator !() const { return !initialized; }
261
262 protected:
263 T data;
264 bool initialized;
265 };
266
267 /////////////////////////////////////////////////////////////
268 // class Articulation
269
270 // Articulation containing all performance parameters for synthesis
271 class Articulation
272 {
273 public:
274 Articulation();
275 virtual ~Articulation();
276 };
277
278 class EGNode
279 {
280 public:
281 float time;
282 float level;
283 float shape;
284 float curve;
285 LinuxSampler::ArrayList<CC> time_oncc;
286 LinuxSampler::ArrayList<CC> level_oncc;
287
288 EGNode();
289 EGNode(const EGNode& egNode) { Copy(egNode); }
290 void operator=(const EGNode& egNode) { Copy(egNode); }
291 void Copy(const EGNode& egNode);
292 };
293
294 class EqImpl {
295 public:
296 float eq1freq, eq2freq, eq3freq;
297 float eq1bw, eq2bw, eq3bw;
298 float eq1gain, eq2gain, eq3gain;
299 LinuxSampler::ArrayList<CC> eq1freq_oncc;
300 LinuxSampler::ArrayList<CC> eq2freq_oncc;
301 LinuxSampler::ArrayList<CC> eq3freq_oncc;
302 LinuxSampler::ArrayList<CC> eq1bw_oncc;
303 LinuxSampler::ArrayList<CC> eq2bw_oncc;
304 LinuxSampler::ArrayList<CC> eq3bw_oncc;
305 LinuxSampler::ArrayList<CC> eq1gain_oncc;
306 LinuxSampler::ArrayList<CC> eq2gain_oncc;
307 LinuxSampler::ArrayList<CC> eq3gain_oncc;
308
309 EqImpl();
310
311 EqImpl(const EqImpl& eq) { Copy(eq); }
312 void Copy(const EqImpl& eq);
313 bool HasEq();
314 };
315
316 class EqSmoothStepImpl: public EqImpl {
317 public:
318 LinuxSampler::ArrayList<CC> eq1freq_smoothcc;
319 LinuxSampler::ArrayList<CC> eq2freq_smoothcc;
320 LinuxSampler::ArrayList<CC> eq3freq_smoothcc;
321 LinuxSampler::ArrayList<CC> eq1bw_smoothcc;
322 LinuxSampler::ArrayList<CC> eq2bw_smoothcc;
323 LinuxSampler::ArrayList<CC> eq3bw_smoothcc;
324 LinuxSampler::ArrayList<CC> eq1gain_smoothcc;
325 LinuxSampler::ArrayList<CC> eq2gain_smoothcc;
326 LinuxSampler::ArrayList<CC> eq3gain_smoothcc;
327
328 LinuxSampler::ArrayList<CC> eq1freq_stepcc;
329 LinuxSampler::ArrayList<CC> eq2freq_stepcc;
330 LinuxSampler::ArrayList<CC> eq3freq_stepcc;
331 LinuxSampler::ArrayList<CC> eq1bw_stepcc;
332 LinuxSampler::ArrayList<CC> eq2bw_stepcc;
333 LinuxSampler::ArrayList<CC> eq3bw_stepcc;
334 LinuxSampler::ArrayList<CC> eq1gain_stepcc;
335 LinuxSampler::ArrayList<CC> eq2gain_stepcc;
336 LinuxSampler::ArrayList<CC> eq3gain_stepcc;
337
338 EqSmoothStepImpl() { }
339 EqSmoothStepImpl(const EqSmoothStepImpl& eq) { Copy(eq); }
340
341 void Copy(const EqSmoothStepImpl& eq);
342 void copySmoothValues();
343 void copyStepValues();
344 };
345
346 class EG: public EqImpl
347 {
348 public:
349 LinuxSampler::ArrayList<EGNode> node;
350 int sustain;
351 int loop;
352 int loop_count;
353 float amplitude;
354 float volume;
355 float cutoff;
356 int pitch; // -9600 to 9600 cents
357 float resonance; // 0 to 40 dB
358 float pan; // -100 to 100 %
359 int pan_curve;
360
361 LinuxSampler::ArrayList<CC> amplitude_oncc;
362 LinuxSampler::ArrayList<CC> volume_oncc;
363 LinuxSampler::ArrayList<CC> cutoff_oncc; // -9600 to 9600 cents
364 LinuxSampler::ArrayList<CC> pitch_oncc;
365 LinuxSampler::ArrayList<CC> resonance_oncc; // 0 to 40 dB
366 LinuxSampler::ArrayList<CC> pan_oncc; // -100 to 100 %
367 LinuxSampler::ArrayList<CC> pan_curvecc; // used only as temporary buffer during the parsing - values are then moved to pan_oncc
368
369 EG();
370 EG(const EG& eg) { Copy(eg); }
371 void operator=(const EG& eg) { Copy(eg); }
372 void Copy(const EG& eg);
373 };
374
375 class LFO: public EqSmoothStepImpl
376 {
377 public:
378 float delay; // 0 to 100 seconds
379 float freq; // 0 to 20 Hz
380 float fade; // 0 to 100 seconds
381 float phase; // 0 to 360 degrees
382 uint wave; // 0 to 4294967296
383 float volume; // -144 to 6 dB
384 int pitch; // -9600 to 9600 cents
385 int cutoff; // -9600 to 9600 cents
386 float resonance; // 0 to 40 dB
387 float pan; // -100 to 100 %
388
389 LinuxSampler::ArrayList<CC> delay_oncc; // 0 to 100 seconds
390 LinuxSampler::ArrayList<CC> freq_oncc; // 0 to 20 Hz
391 LinuxSampler::ArrayList<CC> freq_smoothcc; // 0 to ? milliseconds
392 LinuxSampler::ArrayList<CC> freq_stepcc;
393 LinuxSampler::ArrayList<CC> fade_oncc; // 0 to 100 seconds
394 LinuxSampler::ArrayList<CC> phase_oncc; // 0 to 360 degrees
395 LinuxSampler::ArrayList<CC> volume_oncc; // -144 to 6 dB
396 LinuxSampler::ArrayList<CC> volume_smoothcc; // 0 to ? milliseconds
397 LinuxSampler::ArrayList<CC> volume_stepcc;
398 LinuxSampler::ArrayList<CC> pitch_oncc;
399 LinuxSampler::ArrayList<CC> pitch_smoothcc; // 0 to ? milliseconds
400 LinuxSampler::ArrayList<CC> pitch_stepcc;
401 LinuxSampler::ArrayList<CC> pan_oncc; // -100 to 100 %
402 LinuxSampler::ArrayList<CC> pan_smoothcc; // 0 to ? milliseconds
403 LinuxSampler::ArrayList<CC> pan_stepcc;
404 LinuxSampler::ArrayList<CC> cutoff_oncc; // -9600 to 9600 cents
405 LinuxSampler::ArrayList<CC> cutoff_smoothcc; // 0 to ? milliseconds
406 LinuxSampler::ArrayList<CC> cutoff_stepcc;
407 LinuxSampler::ArrayList<CC> resonance_oncc; // 0 to 40 dB
408 LinuxSampler::ArrayList<CC> resonance_smoothcc; // 0 to ? milliseconds
409 LinuxSampler::ArrayList<CC> resonance_stepcc; // 0 to 40 dB
410
411 LFO();
412 LFO(const LFO& lfo) { Copy(lfo); }
413 void operator=(const LFO& lfo) { Copy(lfo); }
414 void Copy(const LFO& lfo);
415 };
416
417 // Fixed size array with copy-on-write semantics
418 template<class T>
419 class Array
420 {
421 private:
422 struct Rep {
423 int refcount;
424 T a[128];
425
426 Rep() : refcount(1) { }
427 static void release(Rep* rep) {
428 if (!--rep->refcount) delete rep;
429 }
430 } *ptr;
431 public:
432 Array() : ptr(0) { }
433 ~Array() { Rep::release(ptr); }
434
435 Array& operator=(const Array& array) {
436 if (this != &array) {
437 ptr = array.ptr;
438 if (ptr) ptr->refcount++;
439 }
440 return *this;
441 }
442
443 const T& operator[](int i) const { return ptr->a[i]; }
444
445 void set(int i, const T& v) {
446 if (!ptr) {
447 ptr = new Rep;
448 } else if (ptr->refcount > 1 && ptr->a[i] != v) {
449 Rep* newptr = new Rep(*ptr);
450 newptr->refcount = 1;
451 Rep::release(ptr);
452 ptr = newptr;
453 }
454 ptr->a[i] = v;
455 }
456 };
457
458 /////////////////////////////////////////////////////////////
459 // class Definition
460
461 // Base definition used by groups and regions
462 class Definition
463 {
464 public:
465 Definition();
466 virtual ~Definition();
467
468 // sample definition
469 std::string sample;
470
471 // input controls
472 int lochan; int hichan;
473 int lokey; int hikey;
474 int lovel; int hivel;
475 Array<int> locc; Array<int> hicc;
476 int lobend; int hibend;
477 float lobpm; float hibpm;
478 int lochanaft; int hichanaft;
479 int lopolyaft; int hipolyaft;
480 int loprog; int hiprog;
481 float lorand; float hirand;
482 float lotimer; float hitimer;
483
484 int seq_length;
485 int seq_position;
486
487 Array<int> start_locc; Array<int> start_hicc;
488 Array<int> stop_locc; Array<int> stop_hicc;
489
490 int sw_lokey; int sw_hikey;
491 int sw_last;
492 int sw_down;
493 int sw_up;
494 int sw_previous;
495 sw_vel_t sw_vel;
496
497 trigger_t trigger;
498
499 uint group;
500 uint off_by;
501 off_mode_t off_mode;
502
503 Array<int> on_locc; Array<int> on_hicc;
504
505 // sample player
506 optional<int> count;
507 optional<float> delay; optional<float> delay_random; Array<optional<float> > delay_oncc;
508 optional<int> delay_beats; optional<int> stop_beats;
509 optional<int> delay_samples; Array<optional<int> > delay_samples_oncc;
510 int end;
511 optional<float> loop_crossfade;
512 optional<uint> offset; optional<int> offset_random; Array<optional<int> > offset_oncc;
513 loop_mode_t loop_mode;
514 optional<int> loop_start; optional<int> loop_end;
515 optional<int> sync_beats;
516 optional<int> sync_offset;
517
518 // amplifier
519 float volume;
520 float amplitude;
521 float pan;
522 float width;
523 float position;
524 float amp_keytrack; int amp_keycenter; float amp_veltrack; Array<float> amp_velcurve; float amp_random;
525 float rt_decay;
526 Array<float> gain_oncc;
527 int xfin_lokey; int xfin_hikey;
528 int xfout_lokey; int xfout_hikey;
529 curve_t xf_keycurve;
530 int xfin_lovel; int xfin_hivel;
531 int xfout_lovel; int xfout_hivel;
532 curve_t xf_velcurve;
533 Array<int> xfin_locc; Array<int> xfin_hicc;
534 Array<int> xfout_locc; Array<int> xfout_hicc;
535 curve_t xf_cccurve;
536
537 // pitch
538 int transpose;
539 int tune;
540 int pitch_keycenter; int pitch_keytrack; int pitch_veltrack; int pitch_random;
541 int bend_up; int bend_down; int bend_step;
542
543 // filter
544 filter_t fil_type; filter_t fil2_type;
545 optional<float> cutoff; optional<float> cutoff2;
546 LinuxSampler::ArrayList<CC> cutoff_oncc, cutoff2_oncc;
547 LinuxSampler::ArrayList<CC> cutoff_smoothcc, cutoff2_smoothcc;
548 LinuxSampler::ArrayList<CC> cutoff_stepcc, cutoff2_stepcc;
549 LinuxSampler::ArrayList<CC> cutoff_curvecc, cutoff2_curvecc;
550 int cutoff_chanaft; int cutoff2_chanaft;
551 int cutoff_polyaft; int cutoff2_polyaft;
552 float resonance; float resonance2;
553 LinuxSampler::ArrayList<CC> resonance_oncc, resonance2_oncc;
554 LinuxSampler::ArrayList<CC> resonance_smoothcc, resonance2_smoothcc;
555 LinuxSampler::ArrayList<CC> resonance_stepcc, resonance2_stepcc;
556 LinuxSampler::ArrayList<CC> resonance_curvecc, resonance2_curvecc;
557 LinuxSampler::ArrayList<CC> pitch_oncc, pitch_stepcc;
558 LinuxSampler::ArrayList<CC> pitch_smoothcc, pitch_curvecc;
559 int fil_keytrack; int fil2_keytrack;
560 int fil_keycenter; int fil2_keycenter;
561 int fil_veltrack; int fil2_veltrack;
562 int fil_random; int fil2_random;
563
564 // per voice equalizer
565 float eq1_freq; float eq2_freq; float eq3_freq;
566 Array<float> eq1_freq_oncc; Array<float> eq2_freq_oncc; Array<float> eq3_freq_oncc;
567 float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq;
568 float eq1_bw; float eq2_bw; float eq3_bw;
569 Array<float> eq1_bw_oncc; Array<float> eq2_bw_oncc; Array<float> eq3_bw_oncc;
570 float eq1_gain; float eq2_gain; float eq3_gain;
571 Array<float> eq1_gain_oncc; Array<float> eq2_gain_oncc; Array<float> eq3_gain_oncc;
572 float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain;
573
574 //Deprecated (from version 1)
575 float ampeg_delay, ampeg_start, ampeg_attack, ampeg_hold, ampeg_decay, ampeg_sustain, ampeg_release;
576 float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release;
577 LinuxSampler::ArrayList<CC> ampeg_delaycc, ampeg_startcc, ampeg_attackcc, ampeg_holdcc;
578 LinuxSampler::ArrayList<CC> ampeg_decaycc, ampeg_sustaincc, ampeg_releasecc;
579 float fileg_delay, fileg_start, fileg_attack, fileg_hold, fileg_decay, fileg_sustain, fileg_release;
580 float fileg_vel2delay, fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain, fileg_vel2release;
581 LinuxSampler::ArrayList<CC> fileg_delay_oncc, fileg_start_oncc, fileg_attack_oncc, fileg_hold_oncc;
582 LinuxSampler::ArrayList<CC> fileg_decay_oncc, fileg_sustain_oncc, fileg_release_oncc, fileg_depth_oncc;
583 float pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold, pitcheg_decay, pitcheg_sustain, pitcheg_release;
584 float pitcheg_vel2delay, pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay, pitcheg_vel2sustain, pitcheg_vel2release;
585 int fileg_depth, pitcheg_depth;
586 LinuxSampler::ArrayList<CC> pitcheg_delay_oncc, pitcheg_start_oncc, pitcheg_attack_oncc, pitcheg_hold_oncc;
587 LinuxSampler::ArrayList<CC> pitcheg_decay_oncc, pitcheg_sustain_oncc, pitcheg_release_oncc, pitcheg_depth_oncc;
588 float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;
589 float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;
590 float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;
591 int pitchlfo_depth;
592
593 LinuxSampler::ArrayList<CC> pitchlfo_delay_oncc; // 0 to 100 seconds
594 LinuxSampler::ArrayList<CC> pitchlfo_fade_oncc; // 0 to 100 seconds
595 LinuxSampler::ArrayList<CC> pitchlfo_depthcc; // -1200 to 1200 cents
596 LinuxSampler::ArrayList<CC> pitchlfo_freqcc; // 0 to 20 Hz
597 LinuxSampler::ArrayList<CC> fillfo_delay_oncc; // 0 to 100 seconds
598 LinuxSampler::ArrayList<CC> fillfo_fade_oncc; // 0 to 100 seconds
599 LinuxSampler::ArrayList<CC> fillfo_depthcc; // -1200 to 1200 cents
600 LinuxSampler::ArrayList<CC> fillfo_freqcc; // 0 to 20 Hz
601 LinuxSampler::ArrayList<CC> amplfo_delay_oncc; // 0 to 100 seconds
602 LinuxSampler::ArrayList<CC> amplfo_fade_oncc; // 0 to 100 seconds
603 LinuxSampler::ArrayList<CC> amplfo_depthcc; // -10 to 10 dB
604 LinuxSampler::ArrayList<CC> amplfo_freqcc; // 0 to 20 Hz
605
606 // envelope generators
607 LinuxSampler::ArrayList<EG> eg;
608
609 // low frequency oscillators
610 LinuxSampler::ArrayList<LFO> lfos;
611
612 LinuxSampler::ArrayList<CC> volume_oncc;
613 LinuxSampler::ArrayList<CC> volume_curvecc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
614 LinuxSampler::ArrayList<CC> volume_smoothcc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
615 LinuxSampler::ArrayList<CC> volume_stepcc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
616
617 LinuxSampler::ArrayList<CC> pan_oncc; // -100 to 100 %
618 LinuxSampler::ArrayList<CC> pan_curvecc; // used only as temporary buffer during the parsing - values are then moved to pan_oncc
619 LinuxSampler::ArrayList<CC> pan_smoothcc; // used only as temporary buffer during the parsing - values are then moved to pan_oncc
620 LinuxSampler::ArrayList<CC> pan_stepcc; // used only as temporary buffer during the parsing - values are then moved to pan_oncc
621 };
622
623 class Query {
624 public:
625 uint8_t chan; // MIDI channel
626 uint8_t key; // MIDI note
627 uint8_t vel; // MIDI velocity
628 int bend; // MIDI pitch bend
629 uint8_t bpm; // host BPM
630 uint8_t chanaft; // MIDI channel pressure
631 uint8_t polyaft; // MIDI polyphonic aftertouch
632 uint8_t prog; // MIDI program change
633 float rand; // generated random number
634 trigger_t trig; // how it was triggered
635 uint8_t* cc; // all 128 CC values
636 float timer; // time since previous region in the group was triggered
637 bool* sw; // state of region key switches, 128 possible values
638 uint8_t last_sw_key; // last key pressed in the key switch range
639 uint8_t prev_sw_key; // previous note value
640
641 void search(const Instrument* pInstrument);
642 void search(const Instrument* pInstrument, int triggercc);
643 Region* next();
644 private:
645 LinuxSampler::ArrayList<Region*>* pRegionList;
646 int regionIndex;
647 };
648
649 /////////////////////////////////////////////////////////////
650 // class Region
651
652 /// Defines Region information of an Instrument
653 class Region :
654 public Definition
655 {
656 public:
657 Region();
658 virtual ~Region();
659
660 Sample* pSample;
661 Sample* GetSample(bool create = true);
662 void DestroySampleIfNotUsed();
663
664 Region* GetParent() { return this; }; // needed by EngineBase
665 Instrument* GetInstrument() { return pInstrument; }
666 void SetInstrument(Instrument* pInstrument) { this->pInstrument = pInstrument; }
667
668 bool HasLoop();
669 uint GetLoopStart();
670 uint GetLoopEnd();
671 uint GetLoopCount();
672
673 /// Return true if region is triggered by key. Region is
674 /// assumed to come from a search in the lookup table.
675 bool OnKey(const Query& q);
676
677 /// Return an articulation for the current state
678 Articulation* GetArticulation(int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft, uint8_t* cc);
679
680 // unique region id
681 int id;
682
683 private:
684 Instrument* pInstrument;
685 int seq_counter;
686 };
687
688 class Curve {
689 public:
690 float v[128];
691 Curve() { for (int i = 0; i < 128; i++) v[i] = 0; }
692 Curve(const Curve& curve) { Copy(curve); }
693 void operator=(const Curve& curve) { Copy(curve); }
694 void Copy(const Curve& curve) { for (int i = 0; i < 128; i++) v[i] = curve.v[i]; }
695 };
696
697 /////////////////////////////////////////////////////////////
698 // class Instrument
699
700 /// Provides all necessary information for the synthesis of an Instrument
701 class Instrument : public SampleManager
702 {
703 public:
704 Instrument(std::string name = "Unknown", SampleManager* pSampleManager = NULL);
705 virtual ~Instrument();
706
707 std::string GetName() { return name; }
708 SampleManager* GetSampleManager() { return pSampleManager; }
709
710 bool DestroyRegion(Region* pRegion);
711 bool HasKeyBinding(uint8_t key);
712 bool HasKeySwitchBinding(uint8_t key);
713
714 /// List of Regions belonging to this Instrument
715 std::vector<Region*> regions;
716 ::LinuxSampler::ArrayList<Curve> curves;
717
718 friend class File;
719 friend class Query;
720
721 private:
722 std::string name;
723 std::vector<bool> KeyBindings;
724 std::vector<bool> KeySwitchBindings;
725 SampleManager* pSampleManager;
726 LookupTable* pLookupTable;
727 LookupTable* pLookupTableCC[128];
728 };
729
730 /////////////////////////////////////////////////////////////
731 // class ContainerDefinition
732
733 ///A ContainerDefinition is any section of the SFZ files that contains other Definitions (global, master, and group).
734 class ContainerDefinition :
735 public Definition
736 {
737 public:
738 enum section_type {GROUP = 0, MASTER, GLOBAL};
739
740 ContainerDefinition(section_type type);
741 virtual ~ContainerDefinition();
742
743 /// Reset all properties to default values
744 void Reset();
745
746 /// Copy all properties of this object to another Definition
747 void CopyValuesToDefinition(Definition* definition);
748
749 section_type level;
750 };
751
752 /////////////////////////////////////////////////////////////
753 // class File
754
755 /// Parses SFZ files and provides abstract access to the data
756 class File
757 {
758 public:
759 static void copyCurves(LinuxSampler::ArrayList<CC>& curves, LinuxSampler::ArrayList<CC>& dest);
760 static void copySmoothValues(LinuxSampler::ArrayList<CC>& smooths, LinuxSampler::ArrayList<CC>& dest);
761 static void copyStepValues(LinuxSampler::ArrayList<CC>& steps, LinuxSampler::ArrayList<CC>& dest);
762
763 /// Load an existing SFZ file
764 File(std::string file, SampleManager* pSampleManager = NULL);
765 void parseFile(std::string file, SampleManager* pSampleManager);
766 virtual ~File();
767
768 /// Returns a pointer to the instrument object
769 Instrument* GetInstrument();
770
771 private:
772 void push_header(std::string token);
773 void push_opcode(std::string token);
774 int parseKey(const std::string& value);
775 EG& eg(int x);
776 EGNode& egnode(int x, int y);
777 LFO& lfo(int x);
778
779 int ToInt(const std::string& s) throw(LinuxSampler::Exception);
780 float ToFloat(const std::string& s) throw(LinuxSampler::Exception);
781
782 int currentLine;
783 std::string currentDir;
784 /// Pointer to the Instrument belonging to this file
785 Instrument* _instrument;
786
787 // state variables
788 enum section_t { UNKNOWN, REGION, GROUP, MASTER, GLOBAL, CONTROL, CURVE };
789 section_t _current_section;
790 Region* _current_region;
791 std::stack<ContainerDefinition*> _current_containers;
792
793 static const std::string MACRO_NAME_CHARS;
794 static const std::string MACRO_VALUE_CHARS;
795 std::map<std::string, std::string> _defined_macros;
796
797 Curve* _current_curve;
798 Definition* pCurDef;
799 int id;
800
801 // control header directives
802 std::string default_path;
803 int octave_offset;
804 int note_offset;
805 };
806
807 } // !namespace sfz
808
809 #endif // !LIBSFZ_SFZ_H

Properties

Name Value
svn:executable *

  ViewVC Help
Powered by ViewVC