2 Calf Box, an open source musical instrument.
3 Copyright (C) 2010-2013 Krzysztof Foltman
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include "config-api.h"
26 #include "sampler_impl.h"
27 #include "sfzloader.h"
38 #define MAX_RELEASED_GROUPS 4
40 static float sine_wave
[2049];
42 GQuark
cbox_sampler_error_quark()
44 return g_quark_from_string("cbox-sampler-error-quark");
47 static void sampler_process_block(struct cbox_module
*module
, cbox_sample_t
**inputs
, cbox_sample_t
**outputs
);
48 static void sampler_process_event(struct cbox_module
*module
, const uint8_t *data
, uint32_t len
);
49 static void sampler_destroyfunc(struct cbox_module
*module
);
51 static void lfo_init(struct sampler_lfo
*lfo
, struct sampler_lfo_params
*lfop
, int srate
, double srate_inv
)
55 lfo
->delta
= (uint32_t)(lfop
->freq
* 65536.0 * 65536.0 * CBOX_BLOCK_SIZE
* srate_inv
);
56 lfo
->delay
= (uint32_t)(lfop
->delay
* srate
);
57 lfo
->fade
= (uint32_t)(lfop
->fade
* srate
);
61 static void sampler_voice_release(struct sampler_voice
*v
, gboolean is_polyaft
);
63 static void sampler_start_voice(struct sampler_module
*m
, struct sampler_channel
*c
, struct sampler_voice
*v
, struct sampler_layer_data
*l
, int note
, int vel
, int *exgroups
, int *pexgroupcount
)
66 if (l
->trigger
== stm_release
)
68 // time since last 'note on' for that note
69 v
->age
= m
->current_time
- c
->prev_note_start_time
[note
];
70 double age
= v
->age
* m
->module
.srate_inv
;
71 // if attenuation is more than 84dB, ignore the release trigger
72 if (age
* l
->rt_decay
> 84)
75 uint32_t end
= l
->waveform
->info
.frames
;
77 end
= (l
->end
== -1) ? 0 : l
->end
;
78 v
->last_waveform
= l
->waveform
;
79 v
->cur_sample_end
= end
;
80 if (end
> l
->waveform
->info
.frames
)
81 end
= l
->waveform
->info
.frames
;
83 v
->output_pair_no
= l
->output
% m
->output_pairs
;
84 v
->serial_no
= m
->serial_no
;
87 v
->pos
+= ((uint32_t)(rand() + (rand() << 16))) % l
->offset_random
;
90 float delay
= l
->delay
;
92 delay
+= rand() * (1.0 / RAND_MAX
) * l
->delay_random
;
94 v
->delay
= (int)(delay
* m
->module
.srate
);
98 v
->loop_start
= l
->loop_start
;
99 v
->loop_overlap
= l
->loop_overlap
;
100 v
->loop_overlap_step
= 1.0 / l
->loop_overlap
;
101 v
->gain_fromvel
= 1.0 + (l
->eff_velcurve
[vel
] - 1.0) * l
->amp_veltrack
* 0.01;
105 v
->mode
= l
->waveform
->info
.channels
== 2 ? spt_stereo16
: spt_mono16
;
108 v
->released_with_sustain
= 0;
109 v
->released_with_sostenuto
= 0;
110 v
->captured_sostenuto
= 0;
113 v
->program
= c
->program
;
114 v
->amp_env
.shape
= &l
->amp_env_shape
;
115 v
->filter_env
.shape
= &l
->filter_env_shape
;
116 v
->pitch_env
.shape
= &l
->pitch_env_shape
;
119 v
->cutoff_shift
= vel
* l
->fil_veltrack
/ 127.0 + (note
- l
->fil_keycenter
) * l
->fil_keytrack
;
120 v
->loop_mode
= l
->loop_mode
;
121 v
->off_by
= l
->off_by
;
122 int auxes
= (m
->module
.outputs
- m
->module
.aux_offset
) / 2;
123 if (l
->effect1bus
>= 1 && l
->effect1bus
< 1 + auxes
)
124 v
->send1bus
= l
->effect1bus
;
127 if (l
->effect2bus
>= 1 && l
->effect2bus
< 1 + auxes
)
128 v
->send2bus
= l
->effect2bus
;
131 v
->send1gain
= l
->effect1
* 0.01;
132 v
->send2gain
= l
->effect2
* 0.01;
133 if (l
->group
>= 1 && *pexgroupcount
< MAX_RELEASED_GROUPS
)
135 gboolean found
= FALSE
;
136 for (int j
= 0; j
< *pexgroupcount
; j
++)
138 if (exgroups
[j
] == l
->group
)
146 exgroups
[(*pexgroupcount
)++] = l
->group
;
149 lfo_init(&v
->amp_lfo
, &l
->amp_lfo
, m
->module
.srate
, m
->module
.srate_inv
);
150 lfo_init(&v
->filter_lfo
, &l
->filter_lfo
, m
->module
.srate
, m
->module
.srate_inv
);
151 lfo_init(&v
->pitch_lfo
, &l
->pitch_lfo
, m
->module
.srate
, m
->module
.srate_inv
);
153 cbox_biquadf_reset(&v
->filter_left
);
154 cbox_biquadf_reset(&v
->filter_right
);
155 cbox_biquadf_reset(&v
->filter_left2
);
156 cbox_biquadf_reset(&v
->filter_right2
);
158 GSList
*nif
= v
->layer
->nifs
;
161 struct sampler_noteinitfunc
*p
= nif
->data
;
166 cbox_envelope_reset(&v
->amp_env
);
167 cbox_envelope_reset(&v
->filter_env
);
168 cbox_envelope_reset(&v
->pitch_env
);
171 void sampler_start_note(struct sampler_module
*m
, struct sampler_channel
*c
, int note
, int vel
, gboolean is_release_trigger
)
173 float random
= rand() * 1.0 / (RAND_MAX
+ 1.0);
174 if (!is_release_trigger
)
176 c
->switchmask
[note
>> 5] |= 1 << (note
& 31);
177 c
->prev_note_velocity
[note
] = vel
;
178 c
->prev_note_start_time
[note
] = m
->current_time
;
180 struct sampler_program
*prg
= c
->program
;
181 if (!prg
|| !prg
->rll
|| prg
->deleting
)
183 GSList
*next_layer
= sampler_program_get_next_layer(prg
, c
, !is_release_trigger
? prg
->rll
->layers
: prg
->rll
->layers_release
, note
, vel
, random
);
186 if (!is_release_trigger
)
187 c
->previous_note
= note
;
191 // this might perhaps be optimized by mapping the group identifiers to flat-array indexes
192 // but I'm not going to do that until someone gives me an SFZ worth doing that work ;)
193 int exgroups
[MAX_RELEASED_GROUPS
], exgroupcount
= 0;
195 for (int i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
197 if (m
->voices
[i
].mode
== spt_inactive
)
199 struct sampler_voice
*v
= &m
->voices
[i
];
200 struct sampler_layer
*l
= next_layer
->data
;
201 // Maybe someone forgot to call sampler_update_layer?
203 sampler_start_voice(m
, c
, v
, l
->runtime
, note
, vel
, exgroups
, &exgroupcount
);
204 next_layer
= sampler_program_get_next_layer(prg
, c
, g_slist_next(next_layer
), note
, vel
, random
);
209 if (!is_release_trigger
)
210 c
->previous_note
= note
;
213 for (int i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
215 struct sampler_voice
*v
= &m
->voices
[i
];
216 if (v
->mode
== spt_inactive
)
219 for (int j
= 0; j
< exgroupcount
; j
++)
221 if (v
->off_by
== exgroups
[j
] && v
->note
!= note
)
223 if (v
->layer
->off_mode
== som_fast
)
226 cbox_envelope_go_to(&v
->amp_env
, 15);
239 void sampler_channel_start_release_triggered_voices(struct sampler_channel
*c
, int note
)
241 if (c
->program
&& c
->program
->rll
&& c
->program
->rll
->layers_release
)
243 if (c
->prev_note_velocity
[note
])
245 sampler_start_note(c
->module
, c
, note
, c
->prev_note_velocity
[note
], TRUE
);
246 c
->prev_note_velocity
[note
] = 0;
251 void sampler_voice_release(struct sampler_voice
*v
, gboolean is_polyaft
)
253 if ((v
->loop_mode
== slm_one_shot_chokeable
) != is_polyaft
)
255 if (v
->delay
>= v
->age
+ CBOX_BLOCK_SIZE
)
258 v
->mode
= spt_inactive
;
262 if (v
->loop_mode
!= slm_one_shot
)
265 v
->loop_start
= -1; // should be guaranteed by layer settings anyway
269 void sampler_stop_note(struct sampler_module
*m
, struct sampler_channel
*c
, int note
, int vel
, gboolean is_polyaft
)
271 c
->switchmask
[note
>> 5] &= ~(1 << (note
& 31));
272 for (int i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
274 struct sampler_voice
*v
= &m
->voices
[i
];
275 if (v
->channel
== c
&& v
->note
== note
&& v
->layer
->trigger
!= stm_release
)
277 if (v
->captured_sostenuto
)
278 v
->released_with_sostenuto
= 1;
279 else if (c
->cc
[64] >= 64)
280 v
->released_with_sustain
= 1;
282 sampler_voice_release(v
, is_polyaft
);
287 sampler_channel_start_release_triggered_voices(c
, note
);
289 c
->sustainmask
[note
>> 5] |= (1 << (note
& 31));
292 void sampler_stop_sustained(struct sampler_module
*m
, struct sampler_channel
*c
)
294 for (int i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
296 struct sampler_voice
*v
= &m
->voices
[i
];
297 if (v
->channel
== c
&& v
->released_with_sustain
&& v
->layer
->trigger
!= stm_release
)
299 if (v
->mode
!= spt_inactive
)
301 sampler_voice_release(v
, FALSE
);
302 v
->released_with_sustain
= 0;
306 // Start release layers for the newly released keys
307 if (c
->program
->rll
&& c
->program
->rll
->layers_release
)
309 for (int i
= 0; i
< 128; i
++)
311 if (c
->sustainmask
[i
>> 5] & (1 << (i
& 31)))
312 sampler_channel_start_release_triggered_voices(c
, i
);
315 memset(c
->sustainmask
, 0, sizeof(c
->sustainmask
));
318 void sampler_stop_sostenuto(struct sampler_module
*m
, struct sampler_channel
*c
)
320 for (int i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
322 struct sampler_voice
*v
= &m
->voices
[i
];
323 if (v
->mode
!= spt_inactive
&& v
->channel
== c
&& v
->released_with_sostenuto
&& v
->layer
->trigger
!= stm_release
)
325 sampler_channel_start_release_triggered_voices(c
, v
->note
);
326 sampler_voice_release(v
, FALSE
);
327 v
->released_with_sostenuto
= 0;
328 // XXXKF unsure what to do with sustain
331 // Start release layers for the newly released keys
332 if (c
->program
->rll
&& c
->program
->rll
->layers_release
)
334 for (int i
= 0; i
< 128; i
++)
336 if (c
->sostenutomask
[i
>> 5] & (1 << (i
& 31)))
337 sampler_channel_start_release_triggered_voices(c
, i
);
340 memset(c
->sostenutomask
, 0, sizeof(c
->sostenutomask
));
343 void sampler_capture_sostenuto(struct sampler_module
*m
, struct sampler_channel
*c
)
345 for (int i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
347 struct sampler_voice
*v
= &m
->voices
[i
];
348 if (v
->mode
!= spt_inactive
&& v
->channel
== c
&& !v
->released
&& v
->loop_mode
!= slm_one_shot
&& v
->loop_mode
!= slm_one_shot_chokeable
)
350 // XXXKF unsure what to do with sustain
351 v
->captured_sostenuto
= 1;
352 c
->sostenutomask
[v
->note
>> 5] |= (1 << (v
->note
& 31));
357 void sampler_stop_all(struct sampler_module
*m
, struct sampler_channel
*c
)
359 for (int i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
361 struct sampler_voice
*v
= &m
->voices
[i
];
362 if (v
->mode
!= spt_inactive
&& v
->channel
== c
)
364 sampler_voice_release(v
, v
->loop_mode
== slm_one_shot_chokeable
);
365 v
->released_with_sustain
= 0;
366 v
->released_with_sostenuto
= 0;
367 v
->captured_sostenuto
= 0;
372 void sampler_steal_voice(struct sampler_module
*m
)
374 int max_age
= 0, voice_found
= -1;
375 for (int i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
377 struct sampler_voice
*v
= &m
->voices
[i
];
378 if (v
->mode
== spt_inactive
)
380 if (v
->amp_env
.cur_stage
== 15)
382 int age
= m
->serial_no
- v
->serial_no
;
383 if (v
->loop_start
== -1)
384 age
+= (int)(v
->pos
* 100.0 / v
->cur_sample_end
);
394 if (voice_found
!= -1)
396 m
->voices
[voice_found
].released
= 1;
397 cbox_envelope_go_to(&m
->voices
[voice_found
].amp_env
, 15);
401 static inline void mix_block_into_with_gain(cbox_sample_t
**outputs
, int oofs
, float *src_left
, float *src_right
, float gain
)
403 cbox_sample_t
*dst_left
= outputs
[oofs
];
404 cbox_sample_t
*dst_right
= outputs
[oofs
+ 1];
405 for (size_t i
= 0; i
< CBOX_BLOCK_SIZE
; i
++)
407 dst_left
[i
] += gain
* src_left
[i
];
408 dst_right
[i
] += gain
* src_right
[i
];
412 static inline float lfo_run(struct sampler_lfo
*lfo
)
414 if (lfo
->age
< lfo
->delay
)
416 lfo
->age
+= CBOX_BLOCK_SIZE
;
420 const int FRAC_BITS
= 32 - 11;
421 lfo
->phase
+= lfo
->delta
;
422 uint32_t iphase
= lfo
->phase
>> FRAC_BITS
;
423 float frac
= (lfo
->phase
& ((1 << FRAC_BITS
) - 1)) * (1.0 / (1 << FRAC_BITS
));
425 float v
= sine_wave
[iphase
] + (sine_wave
[iphase
+ 1] - sine_wave
[iphase
]) * frac
;
426 if (lfo
->fade
&& lfo
->age
< lfo
->delay
+ lfo
->fade
)
428 v
*= (lfo
->age
- lfo
->delay
) * 1.0 / lfo
->fade
;
429 lfo
->age
+= CBOX_BLOCK_SIZE
;
435 static inline float clip01(float v
)
444 static gboolean
is_4pole(struct sampler_layer_data
*v
)
448 return v
->fil_type
== sft_lp24
|| v
->fil_type
== sft_hp24
|| v
->fil_type
== sft_bp12
;
451 static gboolean
is_tail_finished(struct sampler_voice
*v
)
453 if (v
->layer
->cutoff
== -1)
455 double eps
= 1.0 / 65536.0;
456 if (cbox_biquadf_is_audible(&v
->filter_left
, eps
))
458 if (cbox_biquadf_is_audible(&v
->filter_right
, eps
))
460 if (is_4pole(v
->layer
))
462 if (cbox_biquadf_is_audible(&v
->filter_left2
, eps
))
464 if (cbox_biquadf_is_audible(&v
->filter_right2
, eps
))
471 static inline int addcc(struct sampler_channel
*c
, int cc_no
)
473 return (((int)c
->cc
[cc_no
]) << 7) + c
->cc
[cc_no
+ 32];
476 void sampler_voice_process(struct sampler_voice
*v
, struct sampler_module
*m
, cbox_sample_t
**outputs
)
478 struct sampler_layer_data
*l
= v
->layer
;
480 // if it's a DAHD envelope without sustain, consider the note finished
481 if (v
->amp_env
.cur_stage
== 4 && v
->amp_env
.shape
->stages
[3].end_value
== 0)
482 cbox_envelope_go_to(&v
->amp_env
, 15);
484 struct sampler_channel
*c
= v
->channel
;
485 v
->age
+= CBOX_BLOCK_SIZE
;
487 if (v
->age
< v
->delay
)
490 if (v
->last_waveform
!= v
->layer
->waveform
)
492 v
->last_waveform
= v
->layer
->waveform
;
493 if (v
->layer
->waveform
)
495 v
->mode
= v
->layer
->waveform
->info
.channels
== 2 ? spt_stereo16
: spt_mono16
;
496 v
->cur_sample_end
= v
->layer
->waveform
->info
.frames
;
500 v
->mode
= spt_inactive
;
504 // XXXKF I'm sacrificing sample accuracy for delays for now
507 float pitch
= (v
->note
- l
->pitch_keycenter
) * l
->pitch_keytrack
+ l
->tune
+ l
->transpose
* 100 + v
->pitch_shift
;
508 float modsrcs
[smsrc_pernote_count
];
509 modsrcs
[smsrc_vel
- smsrc_pernote_offset
] = v
->vel
* (1.0 / 127.0);
510 modsrcs
[smsrc_pitch
- smsrc_pernote_offset
] = pitch
* (1.0 / 100.0);
511 modsrcs
[smsrc_polyaft
- smsrc_pernote_offset
] = 0; // XXXKF not supported yet
512 modsrcs
[smsrc_pitchenv
- smsrc_pernote_offset
] = cbox_envelope_get_next(&v
->pitch_env
, v
->released
) * 0.01f
;
513 modsrcs
[smsrc_filenv
- smsrc_pernote_offset
] = cbox_envelope_get_next(&v
->filter_env
, v
->released
) * 0.01f
;
514 modsrcs
[smsrc_ampenv
- smsrc_pernote_offset
] = cbox_envelope_get_next(&v
->amp_env
, v
->released
) * 0.01f
;
516 modsrcs
[smsrc_amplfo
- smsrc_pernote_offset
] = lfo_run(&v
->amp_lfo
);
517 modsrcs
[smsrc_fillfo
- smsrc_pernote_offset
] = lfo_run(&v
->filter_lfo
);
518 modsrcs
[smsrc_pitchlfo
- smsrc_pernote_offset
] = lfo_run(&v
->pitch_lfo
);
520 if (v
->amp_env
.cur_stage
< 0)
522 if (is_tail_finished(v
))
524 v
->mode
= spt_inactive
;
529 float moddests
[smdestcount
];
530 moddests
[smdest_gain
] = 0;
531 moddests
[smdest_pitch
] = pitch
+ c
->pitchbend
;
532 moddests
[smdest_cutoff
] = v
->cutoff_shift
;
533 moddests
[smdest_resonance
] = 0;
534 GSList
*mod
= l
->modulations
;
535 if (l
->trigger
== stm_release
)
536 moddests
[smdest_gain
] -= v
->age
* l
->rt_decay
* m
->module
.srate_inv
;
537 static const int modoffset
[4] = {0, -1, -1, 1 };
538 static const int modscale
[4] = {1, 1, 2, -2 };
541 struct sampler_modulation
*sm
= mod
->data
;
542 float value
= 0.f
, value2
= 1.f
;
543 if (sm
->src
< smsrc_pernote_offset
)
544 value
= c
->cc
[sm
->src
] / 127.0;
546 value
= modsrcs
[sm
->src
- smsrc_pernote_offset
];
547 value
= modoffset
[sm
->flags
& 3] + value
* modscale
[sm
->flags
& 3];
549 if (sm
->src2
!= smsrc_none
)
551 if (sm
->src2
< smsrc_pernote_offset
)
552 value2
= c
->cc
[sm
->src2
] / 127.0;
554 value2
= modsrcs
[sm
->src2
- smsrc_pernote_offset
];
556 value2
= modoffset
[(sm
->flags
& 12) >> 2] + value2
* modscale
[(sm
->flags
& 12) >> 2];
559 moddests
[sm
->dest
] += value
* sm
->amount
;
561 mod
= g_slist_next(mod
);
564 double maxv
= 127 << 7;
565 double freq
= l
->eff_freq
* cent2factor(moddests
[smdest_pitch
]) ;
566 uint64_t freq64
= (uint64_t)(freq
* 65536.0 * 65536.0 * m
->module
.srate_inv
);
567 v
->sample_data
= v
->last_waveform
->data
;
568 if (v
->last_waveform
->levels
)
570 // XXXKF: optimise later by caching last lookup value
571 // XXXKF: optimise later by using binary search
572 for (int i
= 0; i
< v
->last_waveform
->level_count
; i
++)
574 if (freq64
<= v
->last_waveform
->levels
[i
].max_rate
)
576 v
->sample_data
= v
->last_waveform
->levels
[i
].data
;
581 v
->delta
= freq64
>> 32;
582 v
->frac_delta
= freq64
& 0xFFFFFFFF;
583 float gain
= modsrcs
[smsrc_ampenv
- smsrc_pernote_offset
] * l
->volume_linearized
* v
->gain_fromvel
* addcc(c
, 7) * addcc(c
, 11) / (maxv
* maxv
);
584 if (moddests
[smdest_gain
] != 0.0)
585 gain
*= dB2gain(moddests
[smdest_gain
]);
586 float pan
= (l
->pan
+ 100) * (1.0 / 200.0) + (addcc(c
, 10) * 1.0 / maxv
- 0.5) * 2;
591 v
->lgain
= gain
* (1 - pan
) / 32768.0;
592 v
->rgain
= gain
* pan
/ 32768.0;
595 float cutoff
= l
->cutoff
* cent2factor(moddests
[smdest_cutoff
]);
598 if (cutoff
> m
->module
.srate
* 0.45)
599 cutoff
= m
->module
.srate
* 0.45;
600 //float resonance = v->resonance*pow(32.0,c->cc[71]/maxv);
601 float resonance
= l
->resonance_linearized
* dB2gain(moddests
[smdest_resonance
]);
606 // XXXKF this is found experimentally and probably far off from correct formula
607 if (is_4pole(v
->layer
))
608 resonance
= sqrt(resonance
/ 0.707) * 0.5;
613 cbox_biquadf_set_lp_rbj(&v
->filter_coeffs
, cutoff
, resonance
, m
->module
.srate
);
617 cbox_biquadf_set_hp_rbj(&v
->filter_coeffs
, cutoff
, resonance
, m
->module
.srate
);
621 cbox_biquadf_set_bp_rbj(&v
->filter_coeffs
, cutoff
, resonance
, m
->module
.srate
);
624 cbox_biquadf_set_1plp(&v
->filter_coeffs
, cutoff
, m
->module
.srate
);
627 cbox_biquadf_set_1php(&v
->filter_coeffs
, cutoff
, m
->module
.srate
);
634 float left
[CBOX_BLOCK_SIZE
], right
[CBOX_BLOCK_SIZE
];
635 float *tmp_outputs
[2] = {left
, right
};
636 uint32_t samples
= 0;
637 samples
= sampler_voice_sample_playback(v
, tmp_outputs
);
638 for (int i
= samples
; i
< CBOX_BLOCK_SIZE
; i
++)
639 left
[i
] = right
[i
] = 0.f
;
642 cbox_biquadf_process(&v
->filter_left
, &v
->filter_coeffs
, left
);
643 if (is_4pole(v
->layer
))
644 cbox_biquadf_process(&v
->filter_left2
, &v
->filter_coeffs
, left
);
645 cbox_biquadf_process(&v
->filter_right
, &v
->filter_coeffs
, right
);
646 if (is_4pole(v
->layer
))
647 cbox_biquadf_process(&v
->filter_right2
, &v
->filter_coeffs
, right
);
649 mix_block_into_with_gain(outputs
, v
->output_pair_no
* 2, left
, right
, 1.0);
650 if ((v
->send1bus
> 0 && v
->send1gain
!= 0) || (v
->send2bus
> 0 && v
->send2gain
!= 0))
652 if (v
->send1bus
> 0 && v
->send1gain
!= 0)
654 int oofs
= m
->module
.aux_offset
+ (v
->send1bus
- 1) * 2;
655 mix_block_into_with_gain(outputs
, oofs
, left
, right
, v
->send1gain
);
657 if (v
->send2bus
> 0 && v
->send2gain
!= 0)
659 int oofs
= m
->module
.aux_offset
+ (v
->send2bus
- 1) * 2;
660 mix_block_into_with_gain(outputs
, oofs
, left
, right
, v
->send2gain
);
664 v
->last_lgain
= v
->lgain
;
665 v
->last_rgain
= v
->rgain
;
668 void sampler_process_block(struct cbox_module
*module
, cbox_sample_t
**inputs
, cbox_sample_t
**outputs
)
670 struct sampler_module
*m
= (struct sampler_module
*)module
;
672 //float channels[2][CBOX_BLOCK_SIZE];
674 for (int c
= 0; c
< m
->output_pairs
+ m
->aux_pairs
; c
++)
677 for (int i
= 0; i
< CBOX_BLOCK_SIZE
; i
++)
678 outputs
[oo
][i
] = outputs
[oo
+ 1][i
] = 0.f
;
681 int vcount
= 0, vrel
= 0;
682 for (int i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
684 struct sampler_voice
*v
= &m
->voices
[i
];
686 if (v
->mode
!= spt_inactive
)
688 sampler_voice_process(v
, m
, outputs
);
690 if (v
->amp_env
.cur_stage
== 15)
695 m
->active_voices
= vcount
;
696 if (vcount
- vrel
> m
->max_voices
)
697 sampler_steal_voice(m
);
699 m
->current_time
+= CBOX_BLOCK_SIZE
;
702 void sampler_process_cc(struct sampler_module
*m
, struct sampler_channel
*c
, int cc
, int val
)
704 int was_enabled
= c
->cc
[cc
] >= 64;
705 int enabled
= val
>= 64;
709 if (was_enabled
&& !enabled
)
711 sampler_stop_sustained(m
, c
);
715 if (was_enabled
&& !enabled
)
716 sampler_stop_sostenuto(m
, c
);
717 else if (!was_enabled
&& enabled
)
718 sampler_capture_sostenuto(m
, c
);
723 sampler_stop_all(m
, c
);
726 // Recommended Practice (RP-015) Response to Reset All Controllers
727 // http://www.midi.org/techspecs/rp15.php
728 sampler_process_cc(m
, c
, 64, 0);
729 sampler_process_cc(m
, c
, 66, 0);
733 c
->cc
[smsrc_chanaft
] = 0;
734 // XXXKF reset polyphonic pressure values when supported
741 void sampler_program_change_byidx(struct sampler_module
*m
, struct sampler_channel
*c
, int program_idx
)
744 c
->program
->in_use
--;
745 c
->program
= m
->programs
[program_idx
];
746 c
->program
->in_use
++;
749 void sampler_program_change(struct sampler_module
*m
, struct sampler_channel
*c
, int program
)
751 // XXXKF replace with something more efficient
752 for (int i
= 0; i
< m
->program_count
; i
++)
754 // XXXKF support banks
755 if (m
->programs
[i
]->prog_no
== program
)
757 sampler_program_change_byidx(m
, c
, i
);
761 g_warning("Unknown program %d", program
);
762 sampler_program_change_byidx(m
, c
, 0);
765 void sampler_process_event(struct cbox_module
*module
, const uint8_t *data
, uint32_t len
)
767 struct sampler_module
*m
= (struct sampler_module
*)module
;
770 int cmd
= data
[0] >> 4;
771 int chn
= data
[0] & 15;
772 struct sampler_channel
*c
= &m
->channels
[chn
];
776 sampler_stop_note(m
, c
, data
[1], data
[2], FALSE
);
781 sampler_start_note(m
, c
, data
[1], data
[2], FALSE
);
783 sampler_stop_note(m
, c
, data
[1], data
[2], FALSE
);
787 // handle chokeable one shot layers
789 sampler_stop_note(m
, c
, data
[1], data
[2], TRUE
);
790 // polyphonic pressure not handled
794 sampler_process_cc(m
, c
, data
[1], data
[2]);
798 sampler_program_change(m
, c
, data
[1]);
802 c
->cc
[smsrc_chanaft
] = data
[1];
806 c
->pitchbend
= (data
[1] + 128 * data
[2] - 8192) * c
->pbrange
/ 8192;
813 static void init_channel(struct sampler_module
*m
, struct sampler_channel
*c
)
817 c
->pbrange
= 200; // cents
818 memset(c
->cc
, 0, sizeof(c
->cc
));
824 c
->previous_note
= -1;
825 c
->program
= m
->program_count
? m
->programs
[0] : NULL
;
827 c
->program
->in_use
++;
828 memset(c
->switchmask
, 0, sizeof(c
->switchmask
));
829 memset(c
->sustainmask
, 0, sizeof(c
->sustainmask
));
830 memset(c
->sostenutomask
, 0, sizeof(c
->sostenutomask
));
833 static int get_first_free_program_no(struct sampler_module
*m
)
838 // XXXKF this has a N-squared complexity - but I'm not seeing
839 // this being used with more than 10 programs at the same time
840 // in the near future
844 for (int i
= 0; i
< m
->program_count
; i
++)
846 if (m
->programs
[i
]->prog_no
== prog_no
)
857 static int find_program(struct sampler_module
*m
, int prog_no
)
859 for (int i
= 0; i
< m
->program_count
; i
++)
861 if (m
->programs
[i
]->prog_no
== prog_no
)
867 struct release_program_voices_data
869 struct sampler_module
*module
;
871 struct sampler_program
*old_pgm
, *new_pgm
;
874 static int release_program_voices_execute(void *data
)
876 struct release_program_voices_data
*rpv
= data
;
877 struct sampler_module
*m
= rpv
->module
;
880 for (int i
= 0; i
< 16; i
++)
882 if (m
->channels
[i
].program
== rpv
->old_pgm
|| m
->channels
[i
].program
== NULL
)
883 m
->channels
[i
].program
= rpv
->new_pgm
;
885 for (int i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
887 struct sampler_voice
*v
= &m
->voices
[i
];
889 if (v
->mode
!= spt_inactive
)
891 if (v
->program
== rpv
->old_pgm
)
895 if (v
->amp_env
.cur_stage
!= 15)
898 cbox_envelope_go_to(&v
->amp_env
, 15);
907 static void swap_program(struct sampler_module
*m
, int index
, struct sampler_program
*pgm
, gboolean delete_old
)
909 static struct cbox_rt_cmd_definition release_program_voices
= { NULL
, release_program_voices_execute
, NULL
};
912 struct sampler_program
*old_program
;
914 old_program
= cbox_rt_swap_pointers(m
->module
.rt
, (void **)&m
->programs
[index
], pgm
);
917 void **new_programs
= stm_array_clone_remove((void **)m
->programs
, m
->program_count
, index
);
918 free(cbox_rt_swap_pointers_and_update_count(m
->module
.rt
, (void **)&m
->programs
, new_programs
, &m
->program_count
, m
->program_count
- 1));
921 struct release_program_voices_data data
= {m
, old_program
, pgm
};
923 cbox_rt_execute_cmd_sync(m
->module
.rt
, &release_program_voices
, &data
);
926 CBOX_DELETE(old_program
);
929 static gboolean
load_program_at(struct sampler_module
*m
, const char *cfg_section
, const char *name
, int prog_no
, GError
**error
)
931 struct sampler_program
*pgm
= NULL
;
932 int index
= find_program(m
, prog_no
);
933 pgm
= sampler_program_new_from_cfg(m
, cfg_section
, name
, prog_no
, error
);
939 swap_program(m
, index
, pgm
, TRUE
);
943 struct sampler_program
**programs
= malloc(sizeof(struct sampler_program
*) * (m
->program_count
+ 1));
944 memcpy(programs
, m
->programs
, sizeof(struct sampler_program
*) * m
->program_count
);
945 programs
[m
->program_count
] = pgm
;
946 free(cbox_rt_swap_pointers_and_update_count(m
->module
.rt
, (void **)&m
->programs
, programs
, &m
->program_count
, m
->program_count
+ 1));
950 void sampler_unselect_program(struct sampler_module
*m
, struct sampler_program
*prg
)
952 // Ensure no new notes are played on that program
953 prg
->deleting
= TRUE
;
954 // Remove from the list of available programs, so that it cannot be selected again
955 for (int i
= 0; i
< m
->program_count
; i
++)
957 if (m
->programs
[i
] == prg
)
958 swap_program(m
, i
, NULL
, FALSE
);
962 static gboolean
load_from_string(struct sampler_module
*m
, const char *sample_dir
, const char *sfz_data
, const char *name
, int prog_no
, struct sampler_program
**ppgm
, GError
**error
)
964 int index
= find_program(m
, prog_no
);
965 struct sampler_program
*pgm
= sampler_program_new(m
, prog_no
, name
, sample_dir
);
966 pgm
->source_file
= g_strdup("string");
967 if (!sampler_module_load_program_sfz(m
, pgm
, sfz_data
, TRUE
, error
))
975 swap_program(m
, index
, pgm
, TRUE
);
979 struct sampler_program
**programs
= calloc((m
->program_count
+ 1), sizeof(struct sampler_program
*));
980 memcpy(programs
, m
->programs
, sizeof(struct sampler_program
*) * m
->program_count
);
981 programs
[m
->program_count
] = pgm
;
984 free(cbox_rt_swap_pointers_and_update_count(m
->module
.rt
, (void **)&m
->programs
, programs
, &m
->program_count
, m
->program_count
+ 1));
988 gboolean
sampler_process_cmd(struct cbox_command_target
*ct
, struct cbox_command_target
*fb
, struct cbox_osc_command
*cmd
, GError
**error
)
990 struct sampler_module
*m
= (struct sampler_module
*)ct
->user_data
;
992 if (!strcmp(cmd
->command
, "/status") && !strcmp(cmd
->arg_types
, ""))
994 if (!cbox_check_fb_channel(fb
, cmd
->command
, error
))
996 for (int i
= 0; i
< 16; i
++)
998 struct sampler_channel
*channel
= &m
->channels
[i
];
1000 if (channel
->program
)
1001 result
= cbox_execute_on(fb
, NULL
, "/patch", "iis", error
, i
+ 1, channel
->program
->prog_no
, channel
->program
->name
);
1003 result
= cbox_execute_on(fb
, NULL
, "/patch", "iis", error
, i
+ 1, -1, "");
1006 if (!(cbox_execute_on(fb
, NULL
, "/volume", "ii", error
, i
+ 1, addcc(channel
, 7)) &&
1007 cbox_execute_on(fb
, NULL
, "/pan", "ii", error
, i
+ 1, addcc(channel
, 10))))
1011 return cbox_execute_on(fb
, NULL
, "/active_voices", "i", error
, m
->active_voices
) &&
1012 cbox_execute_on(fb
, NULL
, "/polyphony", "i", error
, MAX_SAMPLER_VOICES
) &&
1013 CBOX_OBJECT_DEFAULT_STATUS(&m
->module
, fb
, error
);
1016 if (!strcmp(cmd
->command
, "/patches") && !strcmp(cmd
->arg_types
, ""))
1018 if (!cbox_check_fb_channel(fb
, cmd
->command
, error
))
1020 for (int i
= 0; i
< m
->program_count
; i
++)
1022 struct sampler_program
*prog
= m
->programs
[i
];
1024 if (!cbox_execute_on(fb
, NULL
, "/patch", "isoi", error
, prog
->prog_no
, prog
->name
, prog
, prog
->in_use
))
1029 else if (!strcmp(cmd
->command
, "/polyphony") && !strcmp(cmd
->arg_types
, "i"))
1031 int polyphony
= CBOX_ARG_I(cmd
, 0);
1032 if (polyphony
< 1 || polyphony
> MAX_SAMPLER_VOICES
)
1034 g_set_error(error
, CBOX_MODULE_ERROR
, CBOX_MODULE_ERROR_FAILED
, "Invalid polyphony %d (must be between 1 and %d)", polyphony
, (int)MAX_SAMPLER_VOICES
);
1037 m
->max_voices
= polyphony
;
1040 else if (!strcmp(cmd
->command
, "/set_patch") && !strcmp(cmd
->arg_types
, "ii"))
1042 int channel
= CBOX_ARG_I(cmd
, 0);
1043 if (channel
< 1 || channel
> 16)
1045 g_set_error(error
, CBOX_MODULE_ERROR
, CBOX_MODULE_ERROR_FAILED
, "Invalid channel %d", channel
);
1048 int value
= CBOX_ARG_I(cmd
, 1);
1049 struct sampler_program
*pgm
= NULL
;
1050 for (int i
= 0; i
< m
->program_count
; i
++)
1052 if (m
->programs
[i
]->prog_no
== value
)
1054 pgm
= m
->programs
[i
];
1058 cbox_rt_swap_pointers(m
->module
.rt
, (void **)&m
->channels
[channel
- 1].program
, pgm
);
1061 else if (!strcmp(cmd
->command
, "/load_patch") && !strcmp(cmd
->arg_types
, "iss"))
1063 return load_program_at(m
, CBOX_ARG_S(cmd
, 1), CBOX_ARG_S(cmd
, 2), CBOX_ARG_I(cmd
, 0), error
);
1065 else if (!strcmp(cmd
->command
, "/load_patch_from_string") && !strcmp(cmd
->arg_types
, "isss"))
1067 struct sampler_program
*pgm
= NULL
;
1068 if (!load_from_string(m
, CBOX_ARG_S(cmd
, 1), CBOX_ARG_S(cmd
, 2), CBOX_ARG_S(cmd
, 3), CBOX_ARG_I(cmd
, 0), &pgm
, error
))
1071 return cbox_execute_on(fb
, NULL
, "/uuid", "o", error
, pgm
);
1074 else if (!strcmp(cmd
->command
, "/get_unused_program") && !strcmp(cmd
->arg_types
, ""))
1076 if (!cbox_check_fb_channel(fb
, cmd
->command
, error
))
1078 return cbox_execute_on(fb
, NULL
, "/program_no", "i", error
, get_first_free_program_no(m
));
1081 return cbox_object_default_process_cmd(ct
, fb
, cmd
, error
);
1085 gboolean
sampler_select_program(struct sampler_module
*m
, int channel
, const gchar
*preset
, GError
**error
)
1087 for (int i
= 0; i
< m
->program_count
; i
++)
1089 if (!strcmp(m
->programs
[i
]->name
, preset
))
1091 printf("Selecting %s in channel %d\n", preset
, channel
+ 1);
1092 sampler_program_change_byidx(m
, &m
->channels
[channel
], i
);
1096 g_set_error(error
, CBOX_MODULE_ERROR
, CBOX_MODULE_ERROR_FAILED
, "Preset not found: %s", preset
);
1100 MODULE_CREATE_FUNCTION(sampler
)
1104 static int inited
= 0;
1107 for (int i
= 0; i
< 2049; i
++)
1108 sine_wave
[i
] = sin(i
* M_PI
/ 1024.0);
1112 int max_voices
= cbox_config_get_int(cfg_section
, "polyphony", MAX_SAMPLER_VOICES
);
1113 if (max_voices
< 1 || max_voices
> MAX_SAMPLER_VOICES
)
1115 g_set_error(error
, CBOX_SAMPLER_ERROR
, CBOX_SAMPLER_ERROR_INVALID_LAYER
, "%s: invalid polyphony value", cfg_section
);
1118 int output_pairs
= cbox_config_get_int(cfg_section
, "output_pairs", 1);
1119 if (output_pairs
< 1 || output_pairs
> 16)
1121 g_set_error(error
, CBOX_SAMPLER_ERROR
, CBOX_SAMPLER_ERROR_INVALID_LAYER
, "%s: invalid output pairs value", cfg_section
);
1124 int aux_pairs
= cbox_config_get_int(cfg_section
, "aux_pairs", 0);
1125 if (aux_pairs
< 0 || aux_pairs
> 4)
1127 g_set_error(error
, CBOX_SAMPLER_ERROR
, CBOX_SAMPLER_ERROR_INVALID_LAYER
, "%s: invalid aux pairs value", cfg_section
);
1131 struct sampler_module
*m
= calloc(1, sizeof(struct sampler_module
));
1132 CALL_MODULE_INIT(m
, 0, (output_pairs
+ aux_pairs
) * 2, sampler
);
1133 m
->output_pairs
= output_pairs
;
1134 m
->aux_pairs
= aux_pairs
;
1135 m
->module
.aux_offset
= m
->output_pairs
* 2;
1136 m
->module
.process_event
= sampler_process_event
;
1137 m
->module
.process_block
= sampler_process_block
;
1139 m
->max_voices
= max_voices
;
1141 m
->deleting
= FALSE
;
1145 gchar
*s
= g_strdup_printf("program%d", i
);
1146 char *p
= cbox_config_get_string(cfg_section
, s
);
1151 m
->program_count
= i
;
1155 m
->programs
= calloc(m
->program_count
, sizeof(struct sampler_program
*));
1157 for (i
= 0; i
< m
->program_count
; i
++)
1159 gchar
*s
= g_strdup_printf("program%d", i
);
1160 char *pgm_section
= NULL
;
1162 const char *pgm_name
= cbox_config_get_string(cfg_section
, s
);
1164 char *at
= strchr(pgm_name
, '@');
1167 pgm_id
= atoi(at
+ 1);
1168 s
= g_strndup(pgm_name
, at
- pgm_name
);
1169 pgm_section
= g_strdup_printf("spgm:%s", s
);
1175 pgm_section
= g_strdup_printf("spgm:%s", pgm_name
);
1178 m
->programs
[i
] = sampler_program_new_from_cfg(m
, pgm_section
, pgm_section
+ 5, pgm_id
, error
);
1179 g_free(pgm_section
);
1180 if (!m
->programs
[i
])
1188 // XXXKF free programs/layers, first ensuring that they're fully initialised
1192 memset(m
->voices
, 0, sizeof(m
->voices
));
1193 for (i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
1194 m
->voices
[i
].mode
= spt_inactive
;
1195 m
->active_voices
= 0;
1197 for (i
= 0; i
< 16; i
++)
1198 init_channel(m
, &m
->channels
[i
]);
1200 for (i
= 0; i
< 16; i
++)
1202 gchar
*key
= g_strdup_printf("channel%d", i
+ 1);
1203 gchar
*preset
= cbox_config_get_string(cfg_section
, key
);
1206 if (!sampler_select_program(m
, i
, preset
, error
))
1208 CBOX_DELETE(&m
->module
);
1219 void sampler_destroyfunc(struct cbox_module
*module
)
1221 struct sampler_module
*m
= (struct sampler_module
*)module
;
1224 for (int i
= 0; i
< m
->program_count
; i
++)
1226 assert(m
->programs
[i
]);
1227 CBOX_DELETE(m
->programs
[i
]);
1232 #define MAKE_TO_STRING_CONTENT(name, v) \
1233 case v: return name;
1235 #define MAKE_FROM_STRING_CONTENT(n, v) \
1236 if (!strcmp(name, n)) { *value = v; return TRUE; }
1238 #define MAKE_FROM_TO_STRING(enumtype) \
1239 const char *enumtype##_to_string(enum enumtype value) \
1242 ENUM_VALUES_##enumtype(MAKE_TO_STRING_CONTENT) \
1243 default: return NULL; \
1247 gboolean enumtype##_from_string(const char *name, enum enumtype *value) \
1249 ENUM_VALUES_##enumtype(MAKE_FROM_STRING_CONTENT) \
1253 ENUM_LIST(MAKE_FROM_TO_STRING
)
1255 //////////////////////////////////////////////////////////////////////////
1257 struct sampler_update_layer_cmd
1259 struct sampler_module
*module
;
1260 struct sampler_layer
*layer
;
1261 struct sampler_layer_data
*new_data
;
1262 struct sampler_layer_data
*old_data
;
1265 static int sampler_update_layer_cmd_prepare(void *data
)
1267 struct sampler_update_layer_cmd
*cmd
= data
;
1268 cmd
->old_data
= cmd
->layer
->runtime
;
1269 cmd
->new_data
= calloc(1, sizeof(struct sampler_layer_data
));
1271 sampler_layer_data_clone(cmd
->new_data
, &cmd
->layer
->data
, TRUE
);
1272 sampler_layer_data_finalize(cmd
->new_data
, cmd
->layer
->parent_group
? &cmd
->layer
->parent_group
->data
: NULL
, cmd
->module
);
1273 if (cmd
->layer
->runtime
== NULL
)
1275 // initial update of the layer, so none of the voices need updating yet
1276 // because the layer hasn't been allocated to any voice
1277 cmd
->layer
->runtime
= cmd
->new_data
;
1283 static int sampler_update_layer_cmd_execute(void *data
)
1285 struct sampler_update_layer_cmd
*cmd
= data
;
1287 for (int i
= 0; i
< MAX_SAMPLER_VOICES
; i
++)
1289 if (cmd
->module
->voices
[i
].layer
== cmd
->old_data
)
1290 cmd
->module
->voices
[i
].layer
= cmd
->new_data
;
1292 cmd
->layer
->runtime
= cmd
->new_data
;
1296 static void sampler_update_layer_cmd_cleanup(void *data
)
1298 struct sampler_update_layer_cmd
*cmd
= data
;
1300 sampler_layer_data_destroy(cmd
->old_data
);
1303 void sampler_update_layer(struct sampler_module
*m
, struct sampler_layer
*l
)
1305 // if changing a group, update all child regions instead
1306 if (g_hash_table_size(l
->child_layers
))
1308 GHashTableIter iter
;
1309 g_hash_table_iter_init(&iter
, l
->child_layers
);
1310 gpointer key
, value
;
1311 while(g_hash_table_iter_next(&iter
, &key
, &value
))
1313 sampler_layer_data_finalize(&((struct sampler_layer
*)key
)->data
, &l
->data
, m
);
1314 sampler_update_layer(m
, (struct sampler_layer
*)key
);
1318 static struct cbox_rt_cmd_definition rtcmd
= {
1319 .prepare
= sampler_update_layer_cmd_prepare
,
1320 .execute
= sampler_update_layer_cmd_execute
,
1321 .cleanup
= sampler_update_layer_cmd_cleanup
,
1324 struct sampler_update_layer_cmd lcmd
;
1327 lcmd
.new_data
= NULL
;
1328 lcmd
.old_data
= NULL
;
1330 // In order to be able to use the async call, it would be necessary to
1331 // identify old data by layer pointer, not layer data pointer. For now,
1332 // it might be good enough to just use sync calls for this.
1333 cbox_rt_execute_cmd_sync(m
->module
.rt
, &rtcmd
, &lcmd
);
1336 void sampler_update_program_layers(struct sampler_module
*m
, struct sampler_program
*prg
)
1338 struct sampler_rll
*new_rll
= sampler_rll_new_from_program(prg
);
1339 struct sampler_rll
*old_rll
= cbox_rt_swap_pointers(m
->module
.rt
, (void **)&prg
->rll
, new_rll
);
1341 sampler_rll_destroy(old_rll
);
1344 //////////////////////////////////////////////////////////////////////////
1345 // Note initialisation functions
1347 void sampler_nif_vel2pitch(struct sampler_noteinitfunc
*nif
, struct sampler_voice
*v
)
1349 v
->pitch_shift
+= nif
->param
* v
->vel
* (1.0 / 127.0);
1352 void sampler_nif_cc2delay(struct sampler_noteinitfunc
*nif
, struct sampler_voice
*v
)
1354 v
->delay
+= nif
->param
* v
->channel
->cc
[nif
->variant
] * (1.0 / 127.0) * v
->channel
->module
->module
.srate
;
1357 void sampler_nif_addrandom(struct sampler_noteinitfunc
*nif
, struct sampler_voice
*v
)
1359 float rnd
= rand() * 1.0 / RAND_MAX
;
1360 switch(nif
->variant
)
1363 v
->gain_shift
+= rnd
* nif
->param
;
1366 v
->cutoff_shift
+= rnd
* nif
->param
;
1369 v
->pitch_shift
+= rnd
* nif
->param
; // this is in cents
1374 void sampler_nif_vel2env(struct sampler_noteinitfunc
*nif
, struct sampler_voice
*v
)
1376 int env_type
= (nif
->variant
) >> 4;
1377 struct cbox_envelope
*env
= NULL
;
1384 env
= &v
->filter_env
;
1387 env
= &v
->pitch_env
;
1392 if (env
->shape
!= &v
->dyn_envs
[env_type
])
1394 memcpy(&v
->dyn_envs
[env_type
], env
->shape
, sizeof(struct cbox_envelope_shape
));
1395 env
->shape
= &v
->dyn_envs
[env_type
];
1397 float param
= nif
->param
* v
->vel
* (1.0 / 127.0);
1398 if ((nif
->variant
& 15) == 4)
1400 cbox_envelope_modify_dahdsr(env
->shape
, nif
->variant
& 15, param
, v
->channel
->module
->module
.srate
* (1.0 / CBOX_BLOCK_SIZE
));
1403 //////////////////////////////////////////////////////////////////////////
1405 struct cbox_module_livecontroller_metadata sampler_controllers
[] = {
1408 struct cbox_module_keyrange_metadata sampler_keyranges
[] = {
1411 DEFINE_MODULE(sampler
, 0, 2)