engines/sfz/SfzSignalUnitRack.h

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2011 Grigor Iliev                                       *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#ifndef __LS_SFZSIGNALUNITRACK_H__
#define __LS_SFZSIGNALUNITRACK_H__

#include "../common/SignalUnitRack.h"
#include "EG.h"
#include "EGADSR.h"
#include "../common/AbstractVoice.h"
#include "../common/PulseLFO.h"
#include "../common/SawLFO.h"
#include "../common/SineLFO.h"

namespace LinuxSampler { namespace sfz {
    const int MaxUnitCount = 1000;
    const int maxEgCount = 100; // Maximum number of v2 envelope generators
    const int maxLfoCount = 100; // Maximum number of v2 LFOs
    
    class Voice;
    class SfzSignalUnitRack;
    
    class SfzSignalUnit: public SignalUnit {
        public:
            Voice* pVoice;

            SfzSignalUnit(SfzSignalUnitRack* rack);
            SfzSignalUnit(const SfzSignalUnit& Unit): SignalUnit(Unit.pRack) { Copy(Unit); }
            
            void Copy(const SfzSignalUnit& Unit) {
                pVoice = Unit.pVoice;
                
                SignalUnit::Copy(Unit);
            }
            
            double GetSampleRate();
            float  GetInfluence(ArrayList< ::sfz::CC>& cc);
    };
    
    
    class CCUnit: public CCSignalUnit {
        public:
            Voice* pVoice;

            CCUnit(SfzSignalUnitRack* rack, Listener* l = NULL);
            
            virtual void Trigger();
            
            void SetCCs(::sfz::Array<int>& pCC);
            void SetCCs(ArrayList< ::sfz::CC>& cc);
            
            virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth);
            
            inline int GetCurveCount();
            inline ::sfz::Curve* GetCurve(int idx);
            
            double GetSampleRate();
    };
    
    class CurveCCUnit: public CCUnit {
        public:
            CurveCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
            
            virtual float Normalize(uint8_t val, short int curve = -1) {
                if (curve == -1) return val / 127.0f;
                return GetCurve(curve)->v[val];
            }
    };
    
    
    
    class SmoothCCUnit: public CurveCCUnit {
        protected:
            Smoother Smoothers[128];
        public:
            SmoothCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CurveCCUnit(rack, l) { }
            
            virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth);
    };
    
    
    template <class T>
    class EGUnit: public SfzSignalUnit {
        public:
            ::sfz::EG* pEGInfo;
            T EG;

            EGUnit(SfzSignalUnitRack* rack): SfzSignalUnit(rack), pEGInfo(NULL) { }
            EGUnit(const EGUnit& Unit): SfzSignalUnit(Unit) { Copy(Unit); }
            void operator=(const EGUnit& Unit) { Copy(Unit); }
            
            void Copy(const EGUnit& Unit) {
                pEGInfo = Unit.pEGInfo;
                
                SfzSignalUnit::Copy(Unit);
            }

            virtual bool  Active() { return EG.active(); }
            virtual float GetLevel() { return DelayStage() ? 0 : EG.getLevel(); }
            
            virtual void EnterReleaseStage() { EG.update(EG::event_release, GetSampleRate()); }
            virtual void CancelRelease() { EG.update(EG::event_cancel_release, GetSampleRate()); }
            
            virtual void Increment() {
                if (DelayStage()) return;

                SfzSignalUnit::Increment();
                if (!EG.active()) return;
        
                switch (EG.getSegmentType()) {
                    case EG::segment_lin:
                        EG.processLin();
                        break;
                    case EG::segment_exp:
                        EG.processExp();
                        break;
                    case EG::segment_end:
                        EG.getLevel();
                        break; // noop
                    case EG::segment_pow:
                        EG.processPow();
                        break;
                }
        
                if (EG.active()) {
                    EG.increment(1);
                    if (!EG.toStageEndLeft()) EG.update(EG::event_stage_end, GetSampleRate());
                }
            }
    };
    
    class EGv1Unit: public EGUnit<EGADSR> {
        public:
            int depth;
            EGv1Unit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack), depth(0) { }
    };
    
    class EGv2Unit: public EGUnit< ::LinuxSampler::sfz::EG> {
        protected:
            ::sfz::EG egInfo;
        public:
            CCUnit suAmpOnCC;
            CCUnit suVolOnCC;
            CCUnit suPitchOnCC;
            CCUnit suCutoffOnCC;
            CCUnit suResOnCC;
            
            EGv2Unit(SfzSignalUnitRack* rack);
            virtual void Trigger();
    };
    
    class PitchEGUnit: public EGv1Unit {
        public:
            PitchEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
            virtual void Trigger();
    };
    
    class FilEGUnit: public EGv1Unit {
        public:
            FilEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
            virtual void Trigger();
    };
    
    class AmpEGUnit: public EGv1Unit {
        public:
            AmpEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
            virtual void Trigger();
    };
    
    class AbstractLfo {
        public:
            virtual float Render() = 0;
            virtual void Update(const uint16_t& ExtControlValue) = 0;
            virtual void Trigger(float Frequency, start_level_t StartLevel, uint16_t InternalDepth, uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate) = 0;
            virtual void SetPhase(float phase) = 0;
            virtual void SetFrequency(float Frequency, unsigned int SampleRate) = 0;
    };
    
    template <class T>
    class LfoBase: public AbstractLfo, public T {
        public:
            LfoBase(float Max): T(Max) { }
            virtual float Render() { return T::render(); }
            
            virtual void Update(const uint16_t& ExtControlValue) { T::update(ExtControlValue); }
            
            virtual void Trigger (
                float Frequency, start_level_t StartLevel, uint16_t InternalDepth,
                uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate
            ) {
                T::trigger(Frequency, StartLevel, InternalDepth, ExtControlDepth, FlipPhase, SampleRate);
            }
            
            virtual void SetPhase(float phase) { T::setPhase(phase); }
            
            virtual void SetFrequency(float Frequency, unsigned int SampleRate) {
                T::setFrequency(Frequency, SampleRate);
            }
    };
    
    class LFOUnit;
    
    class FadeEGUnit: public EGUnit<EGADSR> {
        public:
            FadeEGUnit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack) { }
            virtual void Trigger() { }
            virtual void EnterReleaseStage() { }
            virtual void CancelRelease() { }
            
            friend class LFOUnit;
    };
    
    class LFOUnit: public SfzSignalUnit, public CCSignalUnit::Listener {
        public:
            ::sfz::LFO*  pLfoInfo;
            AbstractLfo* pLFO;
            FadeEGUnit   suFadeEG;
            SmoothCCUnit suDepthOnCC;
            SmoothCCUnit suFreqOnCC;
            
            LFOUnit(SfzSignalUnitRack* rack);
            LFOUnit(const LFOUnit& Unit);
            void operator=(const LFOUnit& Unit) { Copy(Unit); }
            
            void Copy(const LFOUnit& Unit) {
                pLfoInfo   = Unit.pLfoInfo;
                suFadeEG   = Unit.suFadeEG;
                
                SfzSignalUnit::Copy(Unit);
            }
            
            virtual bool  Active() { return pLfoInfo->freq > 0; }
            virtual void  Trigger();
            virtual void  Increment();
            virtual float GetLevel() { return Level; }
            virtual void  ValueChanged(CCSignalUnit* pUnit);
    };
    
    class LFOv1Unit: public LFOUnit {
        public:
            ::sfz::LFO lfoInfo;
            LfoBase<LFOSigned> lfo;
            
            LFOv1Unit(SfzSignalUnitRack* rack): LFOUnit(rack), lfo(1200.0f) {
                pLfoInfo = &lfoInfo; pLFO = &lfo;
            }
            
            virtual void Trigger();
    };
    
    class LFOv2Unit: public LFOUnit {
        protected:
            FixedArray<AbstractLfo*> lfos;
            LfoBase<LFOSigned>                       lfo0; // triangle
            LfoBase<SineLFO<range_signed> >          lfo1; // sine
            LfoBase<PulseLFO<range_unsigned, 750> >  lfo2; // pulse 75%
            LfoBase<SquareLFO<range_signed> >        lfo3; // square
            LfoBase<PulseLFO<range_unsigned, 250> >  lfo4; // pulse 25%
            LfoBase<PulseLFO<range_unsigned, 125> >  lfo5; // pulse 12,5%
            LfoBase<SawLFO<range_unsigned, true> >   lfo6; // saw up
            LfoBase<SawLFO<range_unsigned, false> >  lfo7; // saw down
            
            
        public:
            SmoothCCUnit suVolOnCC;
            SmoothCCUnit suPitchOnCC;
            SmoothCCUnit suPanOnCC;
            SmoothCCUnit suCutoffOnCC;
            SmoothCCUnit suResOnCC;
            
            LFOv2Unit(SfzSignalUnitRack* rack);
            
            virtual void Trigger();
    };
    
    class AmpLFOUnit: public LFOv1Unit {
        public:
            AmpLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
            
            virtual void Trigger();
    };
    
    class PitchLFOUnit: public LFOv1Unit {
        public:
            PitchLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
            
            virtual void Trigger();
    };
    
    class FilLFOUnit: public LFOv1Unit {
        public:
            FilLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
            
            virtual void Trigger();
    };
    
    
    class EndpointUnit: public EndpointSignalUnit {
        public:
            Voice* pVoice;

            EndpointUnit(SfzSignalUnitRack* rack);

            virtual void Trigger();

            /** The endpoint should be active until the volume EG is active. */
            virtual bool Active();
            
            virtual float GetVolume();
            virtual float GetFilterCutoff();
            virtual float GetPitch();
            virtual float GetResonance();
            virtual float GetPan();
            
            SfzSignalUnitRack* const GetRack();
            
            virtual float CalculateResonance(float res) {
                return GetResonance() + res;
            }
            
            virtual float CalculateFilterCutoff(float cutoff);
    };
    
    
    class SfzSignalUnitRack : public SignalUnitRack {
        private:
            EndpointUnit  suEndpoint;
            AmpEGUnit     suVolEG;
            FilEGUnit     suFilEG;
            PitchEGUnit   suPitchEG;
            
            AmpLFOUnit   suAmpLFO;
            PitchLFOUnit suPitchLFO;
            FilLFOUnit   suFilLFO;
            
            // SFZ v2
            
            SmoothCCUnit suVolOnCC;
            
            FixedArray<EGv2Unit*> EGs;
            
            // used for optimization - contains only the ones that are modulating volume
            FixedArray<EGv2Unit*> volEGs;
            
            // used for optimization - contains only the ones that are modulating pitch
            FixedArray<EGv2Unit*> pitchEGs;
            
            // used for optimization - contains only the ones that are modulating filter cutoff
            FixedArray<EGv2Unit*> filEGs;
            
            // used for optimization - contains only the ones that are modulating filter cutoff
            FixedArray<EGv2Unit*> resEGs;
            
            
            FixedArray<LFOv2Unit*> LFOs;
            
            // used for optimization - contains only the ones that are modulating volume
            FixedArray<LFOv2Unit*> volLFOs;
            
            // used for optimization - contains only the ones that are modulating pitch
            FixedArray<LFOv2Unit*> pitchLFOs;
            
            // used for optimization - contains only the ones that are modulating filter cutoff
            FixedArray<LFOv2Unit*> filLFOs;
            
            // used for optimization - contains only the ones that are modulating resonance
            FixedArray<LFOv2Unit*> resLFOs;
            
            // used for optimization - contains only the ones that are modulating pan
            FixedArray<LFOv2Unit*> panLFOs;
            

        public:
            Voice* const pVoice;
        
            /**
             * @param Voice The voice to which this rack belongs.
             */
            SfzSignalUnitRack(Voice* voice);
            ~SfzSignalUnitRack();

            virtual EndpointSignalUnit* GetEndpointUnit();
            
            virtual void Trigger();
            virtual void EnterFadeOutStage();
            
            friend class EndpointUnit;
    };
}} // namespace LinuxSampler::sfz

#endif  /* __LS_SFZSIGNALUNITRACK_H__ */

1	/***************************************************************************
2	* *
3	* LinuxSampler - modular, streaming capable sampler *
4	* *
5	* Copyright (C) 2011 Grigor Iliev *
6	* *
7	* This program is free software; you can redistribute it and/or modify *
8	* it under the terms of the GNU General Public License as published by *
9	* the Free Software Foundation; either version 2 of the License, or *
10	* (at your option) any later version. *
11	* *
12	* This program is distributed in the hope that it will be useful, *
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15	* GNU General Public License for more details. *
16	* *
17	* You should have received a copy of the GNU General Public License *
18	* along with this program; if not, write to the Free Software *
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20	* MA 02111-1307 USA *
21	***************************************************************************/
22
23	#ifndef __LS_SFZSIGNALUNITRACK_H__
24	#define __LS_SFZSIGNALUNITRACK_H__
25
26	#include "../common/SignalUnitRack.h"
27	#include "EG.h"
28	#include "EGADSR.h"
29	#include "../common/AbstractVoice.h"
30	#include "../common/PulseLFO.h"
31	#include "../common/SawLFO.h"
32	#include "../common/SineLFO.h"
33
34	namespace LinuxSampler { namespace sfz {
35	const int MaxUnitCount = 1000;
36	const int maxEgCount = 100; // Maximum number of v2 envelope generators
37	const int maxLfoCount = 100; // Maximum number of v2 LFOs
38
39	class Voice;
40	class SfzSignalUnitRack;
41
42	class SfzSignalUnit: public SignalUnit {
43	public:
44	Voice* pVoice;
45
46	SfzSignalUnit(SfzSignalUnitRack* rack);
47	SfzSignalUnit(const SfzSignalUnit& Unit): SignalUnit(Unit.pRack) { Copy(Unit); }
48
49	void Copy(const SfzSignalUnit& Unit) {
50	pVoice = Unit.pVoice;
51
52	SignalUnit::Copy(Unit);
53	}
54
55	double GetSampleRate();
56	float GetInfluence(ArrayList< ::sfz::CC>& cc);
57	};
58
59
60	class CCUnit: public CCSignalUnit {
61	public:
62	Voice* pVoice;
63
64	CCUnit(SfzSignalUnitRack* rack, Listener* l = NULL);
65
66	virtual void Trigger();
67
68	void SetCCs(::sfz::Array<int>& pCC);
69	void SetCCs(ArrayList< ::sfz::CC>& cc);
70
71	virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth);
72
73	inline int GetCurveCount();
74	inline ::sfz::Curve* GetCurve(int idx);
75
76	double GetSampleRate();
77	};
78
79	class CurveCCUnit: public CCUnit {
80	public:
81	CurveCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
82
83	virtual float Normalize(uint8_t val, short int curve = -1) {
84	if (curve == -1) return val / 127.0f;
85	return GetCurve(curve)->v[val];
86	}
87	};
88
89
90
91	class SmoothCCUnit: public CurveCCUnit {
92	protected:
93	Smoother Smoothers[128];
94	public:
95	SmoothCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CurveCCUnit(rack, l) { }
96
97	virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth);
98	};
99
100
101	template <class T>
102	class EGUnit: public SfzSignalUnit {
103	public:
104	::sfz::EG* pEGInfo;
105	T EG;
106
107	EGUnit(SfzSignalUnitRack* rack): SfzSignalUnit(rack), pEGInfo(NULL) { }
108	EGUnit(const EGUnit& Unit): SfzSignalUnit(Unit) { Copy(Unit); }
109	void operator=(const EGUnit& Unit) { Copy(Unit); }
110
111	void Copy(const EGUnit& Unit) {
112	pEGInfo = Unit.pEGInfo;
113
114	SfzSignalUnit::Copy(Unit);
115	}
116
117	virtual bool Active() { return EG.active(); }
118	virtual float GetLevel() { return DelayStage() ? 0 : EG.getLevel(); }
119
120	virtual void EnterReleaseStage() { EG.update(EG::event_release, GetSampleRate()); }
121	virtual void CancelRelease() { EG.update(EG::event_cancel_release, GetSampleRate()); }
122
123	virtual void Increment() {
124	if (DelayStage()) return;
125
126	SfzSignalUnit::Increment();
127	if (!EG.active()) return;
128
129	switch (EG.getSegmentType()) {
130	case EG::segment_lin:
131	EG.processLin();
132	break;
133	case EG::segment_exp:
134	EG.processExp();
135	break;
136	case EG::segment_end:
137	EG.getLevel();
138	break; // noop
139	case EG::segment_pow:
140	EG.processPow();
141	break;
142	}
143
144	if (EG.active()) {
145	EG.increment(1);
146	if (!EG.toStageEndLeft()) EG.update(EG::event_stage_end, GetSampleRate());
147	}
148	}
149	};
150
151	class EGv1Unit: public EGUnit<EGADSR> {
152	public:
153	int depth;
154	EGv1Unit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack), depth(0) { }
155	};
156
157	class EGv2Unit: public EGUnit< ::LinuxSampler::sfz::EG> {
158	protected:
159	::sfz::EG egInfo;
160	public:
161	CCUnit suAmpOnCC;
162	CCUnit suVolOnCC;
163	CCUnit suPitchOnCC;
164	CCUnit suCutoffOnCC;
165	CCUnit suResOnCC;
166
167	EGv2Unit(SfzSignalUnitRack* rack);
168	virtual void Trigger();
169	};
170
171	class PitchEGUnit: public EGv1Unit {
172	public:
173	PitchEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
174	virtual void Trigger();
175	};
176
177	class FilEGUnit: public EGv1Unit {
178	public:
179	FilEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
180	virtual void Trigger();
181	};
182
183	class AmpEGUnit: public EGv1Unit {
184	public:
185	AmpEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
186	virtual void Trigger();
187	};
188
189	class AbstractLfo {
190	public:
191	virtual float Render() = 0;
192	virtual void Update(const uint16_t& ExtControlValue) = 0;
193	virtual void Trigger(float Frequency, start_level_t StartLevel, uint16_t InternalDepth, uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate) = 0;
194	virtual void SetPhase(float phase) = 0;
195	virtual void SetFrequency(float Frequency, unsigned int SampleRate) = 0;
196	};
197
198	template <class T>
199	class LfoBase: public AbstractLfo, public T {
200	public:
201	LfoBase(float Max): T(Max) { }
202	virtual float Render() { return T::render(); }
203
204	virtual void Update(const uint16_t& ExtControlValue) { T::update(ExtControlValue); }
205
206	virtual void Trigger (
207	float Frequency, start_level_t StartLevel, uint16_t InternalDepth,
208	uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate
209	) {
210	T::trigger(Frequency, StartLevel, InternalDepth, ExtControlDepth, FlipPhase, SampleRate);
211	}
212
213	virtual void SetPhase(float phase) { T::setPhase(phase); }
214
215	virtual void SetFrequency(float Frequency, unsigned int SampleRate) {
216	T::setFrequency(Frequency, SampleRate);
217	}
218	};
219
220	class LFOUnit;
221
222	class FadeEGUnit: public EGUnit<EGADSR> {
223	public:
224	FadeEGUnit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack) { }
225	virtual void Trigger() { }
226	virtual void EnterReleaseStage() { }
227	virtual void CancelRelease() { }
228
229	friend class LFOUnit;
230	};
231
232	class LFOUnit: public SfzSignalUnit, public CCSignalUnit::Listener {
233	public:
234	::sfz::LFO* pLfoInfo;
235	AbstractLfo* pLFO;
236	FadeEGUnit suFadeEG;
237	SmoothCCUnit suDepthOnCC;
238	SmoothCCUnit suFreqOnCC;
239
240	LFOUnit(SfzSignalUnitRack* rack);
241	LFOUnit(const LFOUnit& Unit);
242	void operator=(const LFOUnit& Unit) { Copy(Unit); }
243
244	void Copy(const LFOUnit& Unit) {
245	pLfoInfo = Unit.pLfoInfo;
246	suFadeEG = Unit.suFadeEG;
247
248	SfzSignalUnit::Copy(Unit);
249	}
250
251	virtual bool Active() { return pLfoInfo->freq > 0; }
252	virtual void Trigger();
253	virtual void Increment();
254	virtual float GetLevel() { return Level; }
255	virtual void ValueChanged(CCSignalUnit* pUnit);
256	};
257
258	class LFOv1Unit: public LFOUnit {
259	public:
260	::sfz::LFO lfoInfo;
261	LfoBase<LFOSigned> lfo;
262
263	LFOv1Unit(SfzSignalUnitRack* rack): LFOUnit(rack), lfo(1200.0f) {
264	pLfoInfo = &lfoInfo; pLFO = &lfo;
265	}
266
267	virtual void Trigger();
268	};
269
270	class LFOv2Unit: public LFOUnit {
271	protected:
272	FixedArray<AbstractLfo*> lfos;
273	LfoBase<LFOSigned> lfo0; // triangle
274	LfoBase<SineLFO<range_signed> > lfo1; // sine
275	LfoBase<PulseLFO<range_unsigned, 750> > lfo2; // pulse 75%
276	LfoBase<SquareLFO<range_signed> > lfo3; // square
277	LfoBase<PulseLFO<range_unsigned, 250> > lfo4; // pulse 25%
278	LfoBase<PulseLFO<range_unsigned, 125> > lfo5; // pulse 12,5%
279	LfoBase<SawLFO<range_unsigned, true> > lfo6; // saw up
280	LfoBase<SawLFO<range_unsigned, false> > lfo7; // saw down
281
282
283	public:
284	SmoothCCUnit suVolOnCC;
285	SmoothCCUnit suPitchOnCC;
286	SmoothCCUnit suPanOnCC;
287	SmoothCCUnit suCutoffOnCC;
288	SmoothCCUnit suResOnCC;
289
290	LFOv2Unit(SfzSignalUnitRack* rack);
291
292	virtual void Trigger();
293	};
294
295	class AmpLFOUnit: public LFOv1Unit {
296	public:
297	AmpLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
298
299	virtual void Trigger();
300	};
301
302	class PitchLFOUnit: public LFOv1Unit {
303	public:
304	PitchLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
305
306	virtual void Trigger();
307	};
308
309	class FilLFOUnit: public LFOv1Unit {
310	public:
311	FilLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
312
313	virtual void Trigger();
314	};
315
316
317	class EndpointUnit: public EndpointSignalUnit {
318	public:
319	Voice* pVoice;
320
321	EndpointUnit(SfzSignalUnitRack* rack);
322
323	virtual void Trigger();
324
325	/** The endpoint should be active until the volume EG is active. */
326	virtual bool Active();
327
328	virtual float GetVolume();
329	virtual float GetFilterCutoff();
330	virtual float GetPitch();
331	virtual float GetResonance();
332	virtual float GetPan();
333
334	SfzSignalUnitRack* const GetRack();
335
336	virtual float CalculateResonance(float res) {
337	return GetResonance() + res;
338	}
339
340	virtual float CalculateFilterCutoff(float cutoff);
341	};
342
343
344	class SfzSignalUnitRack : public SignalUnitRack {
345	private:
346	EndpointUnit suEndpoint;
347	AmpEGUnit suVolEG;
348	FilEGUnit suFilEG;
349	PitchEGUnit suPitchEG;
350
351	AmpLFOUnit suAmpLFO;
352	PitchLFOUnit suPitchLFO;
353	FilLFOUnit suFilLFO;
354
355	// SFZ v2
356
357	SmoothCCUnit suVolOnCC;
358
359	FixedArray<EGv2Unit*> EGs;
360
361	// used for optimization - contains only the ones that are modulating volume
362	FixedArray<EGv2Unit*> volEGs;
363
364	// used for optimization - contains only the ones that are modulating pitch
365	FixedArray<EGv2Unit*> pitchEGs;
366
367	// used for optimization - contains only the ones that are modulating filter cutoff
368	FixedArray<EGv2Unit*> filEGs;
369
370	// used for optimization - contains only the ones that are modulating filter cutoff
371	FixedArray<EGv2Unit*> resEGs;
372
373
374	FixedArray<LFOv2Unit*> LFOs;
375
376	// used for optimization - contains only the ones that are modulating volume
377	FixedArray<LFOv2Unit*> volLFOs;
378
379	// used for optimization - contains only the ones that are modulating pitch
380	FixedArray<LFOv2Unit*> pitchLFOs;
381
382	// used for optimization - contains only the ones that are modulating filter cutoff
383	FixedArray<LFOv2Unit*> filLFOs;
384
385	// used for optimization - contains only the ones that are modulating resonance
386	FixedArray<LFOv2Unit*> resLFOs;
387
388	// used for optimization - contains only the ones that are modulating pan
389	FixedArray<LFOv2Unit*> panLFOs;
390
391
392	public:
393	Voice* const pVoice;
394
395	/**
396	* @param Voice The voice to which this rack belongs.
397	*/
398	SfzSignalUnitRack(Voice* voice);
399	~SfzSignalUnitRack();
400
401	virtual EndpointSignalUnit* GetEndpointUnit();
402
403	virtual void Trigger();
404	virtual void EnterFadeOutStage();
405
406	friend class EndpointUnit;
407	};
408	}} // namespace LinuxSampler::sfz
409
410	#endif /* __LS_SFZSIGNALUNITRACK_H__ */
411