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 |
Array<int> pitchlfo_depthcc; |
522 |
|
523 |
LinuxSampler::ArrayList<CC> pitchlfo_delay_oncc; // 0 to 100 seconds |
524 |
LinuxSampler::ArrayList<CC> pitchlfo_fade_oncc; // 0 to 100 seconds |
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 |