/[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 2529 - (show annotations) (download) (as text)
Tue Mar 4 20:41:47 2014 UTC (5 years, 11 months ago) by schoenebeck
File MIME type: text/x-c++hdr
File size: 29290 byte(s)
* SFZ format: Added support for "#include" instruction (modified patch
  which was originally posted by Sergey on LS mailing list).
* Bumped version (1.0.0.svn34).

1 /***************************************************************************
2 * *
3 * LinuxSampler - modular, streaming capable sampler *
4 * *
5 * Copyright (C) 2008 Anders Dahnielson <anders@dahnielson.com> *
6 * Copyright (C) 2009 - 2013 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 = 0 /* 0 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 == 0 || 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 float Step;
116
117 CC (
118 uint8_t Controller = 0,
119 float Influence = 0,
120 short int Curve = -1,
121 float Smooth = 0,
122 float Step = 0
123 ) {
124 this->Controller = Controller;
125 this->Influence = Influence;
126 this->Curve = Curve;
127 this->Smooth = Smooth;
128 this->Step = Step;
129 }
130
131 CC(const CC& cc) { Copy(cc); }
132 void operator=(const CC& cc) { Copy(cc); }
133
134 void Copy(const CC& cc) {
135 Controller = cc.Controller;
136 Influence = cc.Influence;
137 Curve = cc.Curve;
138 Smooth = cc.Smooth;
139 Step = cc.Step;
140 }
141 };
142
143 /////////////////////////////////////////////////////////////
144 // class Exception
145
146 class Exception :
147 public std::runtime_error
148 {
149 public:
150 Exception(const std::string& msg) :
151 runtime_error(msg)
152 {
153 }
154
155 std::string Message()
156 {
157 return what();
158 }
159
160 void PrintMessage()
161 {
162 std::cerr << what() << std::endl << std::flush;
163 }
164 };
165
166 /////////////////////////////////////////////////////////////
167 // class optional
168
169 // Handy class nicked from LinuxSampler...
170 // Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck
171 // Copyright (C) 2005, 2006 Christian Schoenebeck
172
173 class optional_base
174 {
175 public:
176 class nothing_t { public: nothing_t() {} };
177 static const nothing_t nothing;
178 };
179
180 template<class T>
181 class optional :
182 public optional_base
183 {
184 public:
185 optional()
186 {
187 initialized = false;
188 }
189
190 optional(T data)
191 {
192 this->data = data;
193 initialized = true;
194 }
195
196 optional(nothing_t)
197 {
198 initialized = false;
199 }
200
201 template <class T_inner>
202 optional(T_inner data)
203 {
204 this->data = T(data);
205 initialized = true;
206 }
207
208 const T& get() const throw (Exception)
209 {
210 if (!initialized) throw Exception("optional variable not initialized");
211 return data;
212 }
213
214 T& get() throw (Exception)
215 {
216 if (!initialized) throw Exception("optional variable not initialized");
217 return data;
218 }
219
220 void unset()
221 {
222 initialized = false;
223 }
224
225 optional& operator =(const optional& arg) throw (Exception)
226 {
227 if (!arg.initialized) {
228 initialized = false;
229 } else {
230 this->data = arg.data;
231 initialized = true;
232 }
233 return *this;
234 }
235
236 optional& operator =(const T& arg)
237 {
238 this->data = arg;
239 initialized = true;
240 return *this;
241 }
242
243 const T& operator *() const throw (Exception) { return get(); }
244 T& operator *() throw (Exception) { return get(); }
245
246 const T* operator ->() const throw (Exception)
247 {
248 if (!initialized) throw Exception("optional variable not initialized");
249 return &data;
250 }
251
252 T* operator ->() throw (Exception)
253 {
254 if (!initialized) throw Exception("optional variable not initialized");
255 return &data;
256 }
257
258 operator bool() const { return initialized; }
259 bool operator !() const { return !initialized; }
260
261 protected:
262 T data;
263 bool initialized;
264 };
265
266 /////////////////////////////////////////////////////////////
267 // class Articulation
268
269 // Articulation containing all performance parameters for synthesis
270 class Articulation
271 {
272 public:
273 Articulation();
274 virtual ~Articulation();
275 };
276
277 class EGNode
278 {
279 public:
280 float time;
281 float level;
282 float shape;
283 float curve;
284 LinuxSampler::ArrayList<CC> time_oncc;
285 LinuxSampler::ArrayList<CC> level_oncc;
286
287 EGNode();
288 EGNode(const EGNode& egNode) { Copy(egNode); }
289 void operator=(const EGNode& egNode) { Copy(egNode); }
290 void Copy(const EGNode& egNode);
291 };
292
293 class EqImpl {
294 public:
295 float eq1freq, eq2freq, eq3freq;
296 float eq1bw, eq2bw, eq3bw;
297 float eq1gain, eq2gain, eq3gain;
298 LinuxSampler::ArrayList<CC> eq1freq_oncc;
299 LinuxSampler::ArrayList<CC> eq2freq_oncc;
300 LinuxSampler::ArrayList<CC> eq3freq_oncc;
301 LinuxSampler::ArrayList<CC> eq1bw_oncc;
302 LinuxSampler::ArrayList<CC> eq2bw_oncc;
303 LinuxSampler::ArrayList<CC> eq3bw_oncc;
304 LinuxSampler::ArrayList<CC> eq1gain_oncc;
305 LinuxSampler::ArrayList<CC> eq2gain_oncc;
306 LinuxSampler::ArrayList<CC> eq3gain_oncc;
307
308 EqImpl();
309
310 EqImpl(const EqImpl& eq) { Copy(eq); }
311 void Copy(const EqImpl& eq);
312 bool HasEq();
313 };
314
315 class EqSmoothStepImpl: public EqImpl {
316 public:
317 LinuxSampler::ArrayList<CC> eq1freq_smoothcc;
318 LinuxSampler::ArrayList<CC> eq2freq_smoothcc;
319 LinuxSampler::ArrayList<CC> eq3freq_smoothcc;
320 LinuxSampler::ArrayList<CC> eq1bw_smoothcc;
321 LinuxSampler::ArrayList<CC> eq2bw_smoothcc;
322 LinuxSampler::ArrayList<CC> eq3bw_smoothcc;
323 LinuxSampler::ArrayList<CC> eq1gain_smoothcc;
324 LinuxSampler::ArrayList<CC> eq2gain_smoothcc;
325 LinuxSampler::ArrayList<CC> eq3gain_smoothcc;
326
327 LinuxSampler::ArrayList<CC> eq1freq_stepcc;
328 LinuxSampler::ArrayList<CC> eq2freq_stepcc;
329 LinuxSampler::ArrayList<CC> eq3freq_stepcc;
330 LinuxSampler::ArrayList<CC> eq1bw_stepcc;
331 LinuxSampler::ArrayList<CC> eq2bw_stepcc;
332 LinuxSampler::ArrayList<CC> eq3bw_stepcc;
333 LinuxSampler::ArrayList<CC> eq1gain_stepcc;
334 LinuxSampler::ArrayList<CC> eq2gain_stepcc;
335 LinuxSampler::ArrayList<CC> eq3gain_stepcc;
336
337 EqSmoothStepImpl() { }
338 EqSmoothStepImpl(const EqSmoothStepImpl& eq) { Copy(eq); }
339
340 void Copy(const EqSmoothStepImpl& eq);
341 void copySmoothValues();
342 void copyStepValues();
343 };
344
345 class EG: public EqImpl
346 {
347 public:
348 LinuxSampler::ArrayList<EGNode> node;
349 int sustain;
350 int loop;
351 int loop_count;
352 float amplitude;
353 float volume;
354 float cutoff;
355 int pitch; // -9600 to 9600 cents
356 float resonance; // 0 to 40 dB
357 float pan; // -100 to 100 %
358 int pan_curve;
359
360 LinuxSampler::ArrayList<CC> amplitude_oncc;
361 LinuxSampler::ArrayList<CC> volume_oncc;
362 LinuxSampler::ArrayList<CC> cutoff_oncc; // -9600 to 9600 cents
363 LinuxSampler::ArrayList<CC> pitch_oncc;
364 LinuxSampler::ArrayList<CC> resonance_oncc; // 0 to 40 dB
365 LinuxSampler::ArrayList<CC> pan_oncc; // -100 to 100 %
366 LinuxSampler::ArrayList<CC> pan_curvecc; // used only as temporary buffer during the parsing - values are then moved to pan_oncc
367
368 EG();
369 EG(const EG& eg) { Copy(eg); }
370 void operator=(const EG& eg) { Copy(eg); }
371 void Copy(const EG& eg);
372 };
373
374 class LFO: public EqSmoothStepImpl
375 {
376 public:
377 float delay; // 0 to 100 seconds
378 float freq; // 0 to 20 Hz
379 float fade; // 0 to 100 seconds
380 float phase; // 0 to 360 degrees
381 uint wave; // 0 to 4294967296
382 float volume; // -144 to 6 dB
383 int pitch; // -9600 to 9600 cents
384 int cutoff; // -9600 to 9600 cents
385 float resonance; // 0 to 40 dB
386 float pan; // -100 to 100 %
387
388 LinuxSampler::ArrayList<CC> delay_oncc; // 0 to 100 seconds
389 LinuxSampler::ArrayList<CC> freq_oncc; // 0 to 20 Hz
390 LinuxSampler::ArrayList<CC> freq_smoothcc; // 0 to ? milliseconds
391 LinuxSampler::ArrayList<CC> freq_stepcc;
392 LinuxSampler::ArrayList<CC> fade_oncc; // 0 to 100 seconds
393 LinuxSampler::ArrayList<CC> phase_oncc; // 0 to 360 degrees
394 LinuxSampler::ArrayList<CC> volume_oncc; // -144 to 6 dB
395 LinuxSampler::ArrayList<CC> volume_smoothcc; // 0 to ? milliseconds
396 LinuxSampler::ArrayList<CC> volume_stepcc;
397 LinuxSampler::ArrayList<CC> pitch_oncc;
398 LinuxSampler::ArrayList<CC> pitch_smoothcc; // 0 to ? milliseconds
399 LinuxSampler::ArrayList<CC> pitch_stepcc;
400 LinuxSampler::ArrayList<CC> pan_oncc; // -100 to 100 %
401 LinuxSampler::ArrayList<CC> pan_smoothcc; // 0 to ? milliseconds
402 LinuxSampler::ArrayList<CC> pan_stepcc;
403 LinuxSampler::ArrayList<CC> cutoff_oncc; // -9600 to 9600 cents
404 LinuxSampler::ArrayList<CC> cutoff_smoothcc; // 0 to ? milliseconds
405 LinuxSampler::ArrayList<CC> cutoff_stepcc;
406 LinuxSampler::ArrayList<CC> resonance_oncc; // 0 to 40 dB
407 LinuxSampler::ArrayList<CC> resonance_smoothcc; // 0 to ? milliseconds
408 LinuxSampler::ArrayList<CC> resonance_stepcc; // 0 to 40 dB
409
410 LFO();
411 LFO(const LFO& lfo) { Copy(lfo); }
412 void operator=(const LFO& lfo) { Copy(lfo); }
413 void Copy(const LFO& lfo);
414 };
415
416 // Fixed size array with copy-on-write semantics
417 template<class T>
418 class Array
419 {
420 private:
421 struct Rep {
422 int refcount;
423 T a[128];
424
425 Rep() : refcount(1) { }
426 static void release(Rep* rep) {
427 if (!--rep->refcount) delete rep;
428 }
429 } *ptr;
430 public:
431 Array() : ptr(0) { }
432 ~Array() { Rep::release(ptr); }
433
434 Array& operator=(const Array& array) {
435 if (this != &array) {
436 ptr = array.ptr;
437 if (ptr) ptr->refcount++;
438 }
439 return *this;
440 }
441
442 const T& operator[](int i) const { return ptr->a[i]; }
443
444 void set(int i, const T& v) {
445 if (!ptr) {
446 ptr = new Rep;
447 } else if (ptr->refcount > 1 && ptr->a[i] != v) {
448 Rep* newptr = new Rep(*ptr);
449 newptr->refcount = 1;
450 Rep::release(ptr);
451 ptr = newptr;
452 }
453 ptr->a[i] = v;
454 }
455 };
456
457 /////////////////////////////////////////////////////////////
458 // class Definition
459
460 // Base definition used by groups and regions
461 class Definition
462 {
463 public:
464 Definition();
465 virtual ~Definition();
466
467 // sample definition
468 std::string sample;
469
470 // input controls
471 int lochan; int hichan;
472 int lokey; int hikey;
473 int lovel; int hivel;
474 Array<int> locc; Array<int> hicc;
475 int lobend; int hibend;
476 float lobpm; float hibpm;
477 int lochanaft; int hichanaft;
478 int lopolyaft; int hipolyaft;
479 int loprog; int hiprog;
480 float lorand; float hirand;
481 float lotimer; float hitimer;
482
483 int seq_length;
484 int seq_position;
485
486 Array<int> start_locc; Array<int> start_hicc;
487 Array<int> stop_locc; Array<int> stop_hicc;
488
489 int sw_lokey; int sw_hikey;
490 int sw_last;
491 int sw_down;
492 int sw_up;
493 int sw_previous;
494 sw_vel_t sw_vel;
495
496 trigger_t trigger;
497
498 uint group;
499 uint off_by;
500 off_mode_t off_mode;
501
502 Array<int> on_locc; Array<int> on_hicc;
503
504 // sample player
505 optional<int> count;
506 optional<float> delay; optional<float> delay_random; Array<optional<float> > delay_oncc;
507 optional<int> delay_beats; optional<int> stop_beats;
508 optional<int> delay_samples; Array<optional<int> > delay_samples_oncc;
509 int end;
510 optional<float> loop_crossfade;
511 optional<uint> offset; optional<int> offset_random; Array<optional<int> > offset_oncc;
512 loop_mode_t loop_mode;
513 optional<int> loop_start; optional<int> loop_end;
514 optional<int> sync_beats;
515 optional<int> sync_offset;
516
517 // amplifier
518 float volume;
519 float amplitude;
520 float pan;
521 float width;
522 float position;
523 float amp_keytrack; int amp_keycenter; float amp_veltrack; Array<float> amp_velcurve; float amp_random;
524 float rt_decay;
525 Array<float> gain_oncc;
526 int xfin_lokey; int xfin_hikey;
527 int xfout_lokey; int xfout_hikey;
528 curve_t xf_keycurve;
529 int xfin_lovel; int xfin_hivel;
530 int xfout_lovel; int xfout_hivel;
531 curve_t xf_velcurve;
532 Array<int> xfin_locc; Array<int> xfin_hicc;
533 Array<int> xfout_locc; Array<int> xfout_hicc;
534 curve_t xf_cccurve;
535
536 // pitch
537 int transpose;
538 int tune;
539 int pitch_keycenter; int pitch_keytrack; int pitch_veltrack; int pitch_random;
540 int bend_up; int bend_down; int bend_step;
541
542 // filter
543 filter_t fil_type; filter_t fil2_type;
544 optional<float> cutoff; optional<float> cutoff2;
545 LinuxSampler::ArrayList<CC> cutoff_oncc, cutoff2_oncc;
546 LinuxSampler::ArrayList<CC> cutoff_smoothcc, cutoff2_smoothcc;
547 LinuxSampler::ArrayList<CC> cutoff_stepcc, cutoff2_stepcc;
548 LinuxSampler::ArrayList<CC> cutoff_curvecc, cutoff2_curvecc;
549 int cutoff_chanaft; int cutoff2_chanaft;
550 int cutoff_polyaft; int cutoff2_polyaft;
551 float resonance; float resonance2;
552 LinuxSampler::ArrayList<CC> resonance_oncc, resonance2_oncc;
553 LinuxSampler::ArrayList<CC> resonance_smoothcc, resonance2_smoothcc;
554 LinuxSampler::ArrayList<CC> resonance_stepcc, resonance2_stepcc;
555 LinuxSampler::ArrayList<CC> resonance_curvecc, resonance2_curvecc;
556 LinuxSampler::ArrayList<CC> pitch_oncc, pitch_stepcc;
557 LinuxSampler::ArrayList<CC> pitch_smoothcc, pitch_curvecc;
558 int fil_keytrack; int fil2_keytrack;
559 int fil_keycenter; int fil2_keycenter;
560 int fil_veltrack; int fil2_veltrack;
561 int fil_random; int fil2_random;
562
563 // per voice equalizer
564 float eq1_freq; float eq2_freq; float eq3_freq;
565 Array<float> eq1_freq_oncc; Array<float> eq2_freq_oncc; Array<float> eq3_freq_oncc;
566 float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq;
567 float eq1_bw; float eq2_bw; float eq3_bw;
568 Array<float> eq1_bw_oncc; Array<float> eq2_bw_oncc; Array<float> eq3_bw_oncc;
569 float eq1_gain; float eq2_gain; float eq3_gain;
570 Array<float> eq1_gain_oncc; Array<float> eq2_gain_oncc; Array<float> eq3_gain_oncc;
571 float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain;
572
573 //Deprecated (from version 1)
574 float ampeg_delay, ampeg_start, ampeg_attack, ampeg_hold, ampeg_decay, ampeg_sustain, ampeg_release;
575 float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release;
576 LinuxSampler::ArrayList<CC> ampeg_delaycc, ampeg_startcc, ampeg_attackcc, ampeg_holdcc;
577 LinuxSampler::ArrayList<CC> ampeg_decaycc, ampeg_sustaincc, ampeg_releasecc;
578 float fileg_delay, fileg_start, fileg_attack, fileg_hold, fileg_decay, fileg_sustain, fileg_release;
579 float fileg_vel2delay, fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain, fileg_vel2release;
580 LinuxSampler::ArrayList<CC> fileg_delay_oncc, fileg_start_oncc, fileg_attack_oncc, fileg_hold_oncc;
581 LinuxSampler::ArrayList<CC> fileg_decay_oncc, fileg_sustain_oncc, fileg_release_oncc, fileg_depth_oncc;
582 float pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold, pitcheg_decay, pitcheg_sustain, pitcheg_release;
583 float pitcheg_vel2delay, pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay, pitcheg_vel2sustain, pitcheg_vel2release;
584 int fileg_depth, pitcheg_depth;
585 LinuxSampler::ArrayList<CC> pitcheg_delay_oncc, pitcheg_start_oncc, pitcheg_attack_oncc, pitcheg_hold_oncc;
586 LinuxSampler::ArrayList<CC> pitcheg_decay_oncc, pitcheg_sustain_oncc, pitcheg_release_oncc, pitcheg_depth_oncc;
587 float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth;
588 float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth;
589 float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq;
590 int pitchlfo_depth;
591
592 LinuxSampler::ArrayList<CC> pitchlfo_delay_oncc; // 0 to 100 seconds
593 LinuxSampler::ArrayList<CC> pitchlfo_fade_oncc; // 0 to 100 seconds
594 LinuxSampler::ArrayList<CC> pitchlfo_depthcc; // -1200 to 1200 cents
595 LinuxSampler::ArrayList<CC> pitchlfo_freqcc; // 0 to 20 Hz
596 LinuxSampler::ArrayList<CC> fillfo_delay_oncc; // 0 to 100 seconds
597 LinuxSampler::ArrayList<CC> fillfo_fade_oncc; // 0 to 100 seconds
598 LinuxSampler::ArrayList<CC> fillfo_depthcc; // -1200 to 1200 cents
599 LinuxSampler::ArrayList<CC> fillfo_freqcc; // 0 to 20 Hz
600 LinuxSampler::ArrayList<CC> amplfo_delay_oncc; // 0 to 100 seconds
601 LinuxSampler::ArrayList<CC> amplfo_fade_oncc; // 0 to 100 seconds
602 LinuxSampler::ArrayList<CC> amplfo_depthcc; // -10 to 10 dB
603 LinuxSampler::ArrayList<CC> amplfo_freqcc; // 0 to 20 Hz
604
605 // envelope generators
606 LinuxSampler::ArrayList<EG> eg;
607
608 // low frequency oscillators
609 LinuxSampler::ArrayList<LFO> lfos;
610
611 LinuxSampler::ArrayList<CC> volume_oncc;
612 LinuxSampler::ArrayList<CC> volume_curvecc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
613 LinuxSampler::ArrayList<CC> volume_smoothcc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
614 LinuxSampler::ArrayList<CC> volume_stepcc; // used only as temporary buffer during the parsing - values are then moved to volume_oncc
615
616 LinuxSampler::ArrayList<CC> pan_oncc; // -100 to 100 %
617 LinuxSampler::ArrayList<CC> pan_curvecc; // used only as temporary buffer during the parsing - values are then moved to pan_oncc
618 LinuxSampler::ArrayList<CC> pan_smoothcc; // used only as temporary buffer during the parsing - values are then moved to pan_oncc
619 LinuxSampler::ArrayList<CC> pan_stepcc; // used only as temporary buffer during the parsing - values are then moved to pan_oncc
620 };
621
622 class Query {
623 public:
624 uint8_t chan; // MIDI channel
625 uint8_t key; // MIDI note
626 uint8_t vel; // MIDI velocity
627 int bend; // MIDI pitch bend
628 uint8_t bpm; // host BPM
629 uint8_t chanaft; // MIDI channel pressure
630 uint8_t polyaft; // MIDI polyphonic aftertouch
631 uint8_t prog; // MIDI program change
632 float rand; // generated random number
633 trigger_t trig; // how it was triggered
634 uint8_t* cc; // all 128 CC values
635 float timer; // time since previous region in the group was triggered
636 bool* sw; // state of region key switches, 128 possible values
637 uint8_t last_sw_key; // last key pressed in the key switch range
638 uint8_t prev_sw_key; // previous note value
639
640 void search(const Instrument* pInstrument);
641 void search(const Instrument* pInstrument, int triggercc);
642 Region* next();
643 private:
644 LinuxSampler::ArrayList<Region*>* pRegionList;
645 int regionIndex;
646 };
647
648 /////////////////////////////////////////////////////////////
649 // class Region
650
651 /// Defines Region information of an Instrument
652 class Region :
653 public Definition
654 {
655 public:
656 Region();
657 virtual ~Region();
658
659 Sample* pSample;
660 Sample* GetSample(bool create = true);
661 void DestroySampleIfNotUsed();
662
663 Region* GetParent() { return this; }; // needed by EngineBase
664 Instrument* GetInstrument() { return pInstrument; }
665 void SetInstrument(Instrument* pInstrument) { this->pInstrument = pInstrument; }
666
667 bool HasLoop();
668 uint GetLoopStart();
669 uint GetLoopEnd();
670 uint GetLoopCount();
671
672 /// Return true if region is triggered by key. Region is
673 /// assumed to come from a search in the lookup table.
674 bool OnKey(const Query& q);
675
676 /// Return an articulation for the current state
677 Articulation* GetArticulation(int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft, uint8_t* cc);
678
679 // unique region id
680 int id;
681
682 private:
683 Instrument* pInstrument;
684 int seq_counter;
685 };
686
687 class Curve {
688 public:
689 float v[128];
690 Curve() { for (int i = 0; i < 128; i++) v[i] = 0; }
691 Curve(const Curve& curve) { Copy(curve); }
692 void operator=(const Curve& curve) { Copy(curve); }
693 void Copy(const Curve& curve) { for (int i = 0; i < 128; i++) v[i] = curve.v[i]; }
694 };
695
696 /////////////////////////////////////////////////////////////
697 // class Instrument
698
699 /// Provides all necessary information for the synthesis of an Instrument
700 class Instrument : public SampleManager
701 {
702 public:
703 Instrument(std::string name = "Unknown", SampleManager* pSampleManager = NULL);
704 virtual ~Instrument();
705
706 std::string GetName() { return name; }
707 SampleManager* GetSampleManager() { return pSampleManager; }
708
709 bool DestroyRegion(Region* pRegion);
710 bool HasKeyBinding(uint8_t key);
711 bool HasKeySwitchBinding(uint8_t key);
712
713 /// List of Regions belonging to this Instrument
714 std::vector<Region*> regions;
715 ::LinuxSampler::ArrayList<Curve> curves;
716
717 friend class File;
718 friend class Query;
719
720 private:
721 std::string name;
722 std::vector<bool> KeyBindings;
723 std::vector<bool> KeySwitchBindings;
724 SampleManager* pSampleManager;
725 LookupTable* pLookupTable;
726 LookupTable* pLookupTableCC[128];
727 };
728
729 /////////////////////////////////////////////////////////////
730 // class Group
731
732 /// A Group act just as a template containing Region default values
733 class Group :
734 public Definition
735 {
736 public:
737 Group();
738 virtual ~Group();
739
740 /// Reset Group to default values
741 void Reset();
742
743 /// Create a new Region
744 Region* RegionFactory();
745
746 // id counter
747 int id;
748
749 };
750
751 /////////////////////////////////////////////////////////////
752 // class File
753
754 /// Parses SFZ files and provides abstract access to the data
755 class File
756 {
757 public:
758 static void copyCurves(LinuxSampler::ArrayList<CC>& curves, LinuxSampler::ArrayList<CC>& dest);
759 static void copySmoothValues(LinuxSampler::ArrayList<CC>& smooths, LinuxSampler::ArrayList<CC>& dest);
760 static void copyStepValues(LinuxSampler::ArrayList<CC>& steps, LinuxSampler::ArrayList<CC>& dest);
761
762 /// Load an existing SFZ file
763 File(std::string file, SampleManager* pSampleManager = NULL);
764 void parseFile(std::string file, SampleManager* pSampleManager);
765 virtual ~File();
766
767 /// Returns a pointer to the instrument object
768 Instrument* GetInstrument();
769
770 private:
771 void push_header(std::string token);
772 void push_opcode(std::string token);
773 int parseKey(const std::string& value);
774 EG& eg(int x);
775 EGNode& egnode(int x, int y);
776 LFO& lfo(int x);
777
778 int ToInt(const std::string& s) throw(LinuxSampler::Exception);
779 float ToFloat(const std::string& s) throw(LinuxSampler::Exception);
780
781 int currentLine;
782 std::string currentDir;
783 /// Pointer to the Instrument belonging to this file
784 Instrument* _instrument;
785
786 // state variables
787 enum section_t { UNKNOWN, GROUP, REGION, CONTROL, CURVE };
788 section_t _current_section;
789 Region* _current_region;
790 Group* _current_group;
791 Curve* _current_curve;
792 Definition* pCurDef;
793
794 // control header directives
795 std::string default_path;
796 int octave_offset;
797 int note_offset;
798 };
799
800 } // !namespace sfz
801
802 #endif // !LIBSFZ_SFZ_H

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