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);
            
            inline int GetCurveCount();
            inline ::sfz::Curve* GetCurve(int idx);
    };
    
    class CurveCCUnit: public CCUnit {
        public:
            CurveCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
            
            virtual void Calculate() {
                Level = 0;
                for (int i = 0; i < Ctrls.size(); i++) {
                    if (Ctrls[i].Value == 0) continue;
                    if (Ctrls[i].Curve == -1) {
                        Level += (Ctrls[i].Value / 127.0f) * Ctrls[i].Influence;
                    } else {
                        Level += GetCurve(Ctrls[i].Curve)->v[Ctrls[i].Value] * Ctrls[i].Influence;
                    }
                }
            }
    };
    
    
    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:
            EGv2Unit(SfzSignalUnitRack* rack): EGUnit< ::LinuxSampler::sfz::EG>(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;
            CCUnit       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:
            CCUnit suPitchOnCC;
            
            LFOv2Unit(SfzSignalUnitRack* rack);
            
            virtual void Trigger();
    };
    
    class AmpLFOUnit: public LFOv1Unit {
        public:
            AmpLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
            
            virtual void Trigger();
    };
    
    class PitchLFOUnit: public LFOv1Unit {
        public:
            CCUnit suDepthCC;
            
            PitchLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack), suDepthCC(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;
            }
    };
    
    
    class SfzSignalUnitRack : public SignalUnitRack {
        private:
            EndpointUnit  suEndpoint;
            AmpEGUnit     suVolEG;
            FilEGUnit     suFilEG;
            PitchEGUnit   suPitchEG;
            
            AmpLFOUnit   suAmpLFO;
            PitchLFOUnit suPitchLFO;
            FilLFOUnit   suFilLFO;
            
            // SFZ v2
            
            CurveCCUnit 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;
            
            
            FixedArray<LFOv2Unit*> LFOs;
            
            // 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	iliev	2218	/***************************************************************************
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	iliev	2219	#include "../common/AbstractVoice.h"
30	iliev	2223	#include "../common/PulseLFO.h"
31			#include "../common/SawLFO.h"
32			#include "../common/SineLFO.h"
33	iliev	2218
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	iliev	2229	float GetInfluence(ArrayList< ::sfz::CC>& cc);
57	iliev	2218	};
58
59	iliev	2224
60			class CCUnit: public CCSignalUnit {
61			public:
62			Voice* pVoice;
63
64	iliev	2227	CCUnit(SfzSignalUnitRack* rack, Listener* l = NULL);
65	iliev	2224
66			virtual void Trigger();
67
68			void SetCCs(::sfz::Array<int>& pCC);
69	iliev	2225	void SetCCs(ArrayList< ::sfz::CC>& cc);
70	iliev	2230
71			inline int GetCurveCount();
72			inline ::sfz::Curve* GetCurve(int idx);
73	iliev	2224	};
74
75	iliev	2230	class CurveCCUnit: public CCUnit {
76			public:
77			CurveCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
78
79			virtual void Calculate() {
80			Level = 0;
81			for (int i = 0; i < Ctrls.size(); i++) {
82			if (Ctrls[i].Value == 0) continue;
83			if (Ctrls[i].Curve == -1) {
84			Level += (Ctrls[i].Value / 127.0f) * Ctrls[i].Influence;
85			} else {
86			Level += GetCurve(Ctrls[i].Curve)->v[Ctrls[i].Value] * Ctrls[i].Influence;
87			}
88			}
89			}
90			};
91	iliev	2224
92	iliev	2230
93	iliev	2218	template <class T>
94	iliev	2219	class EGUnit: public SfzSignalUnit {
95	iliev	2218	public:
96			::sfz::EG* pEGInfo;
97			T EG;
98
99			EGUnit(SfzSignalUnitRack* rack): SfzSignalUnit(rack), pEGInfo(NULL) { }
100	iliev	2219	EGUnit(const EGUnit& Unit): SfzSignalUnit(Unit) { Copy(Unit); }
101	iliev	2218	void operator=(const EGUnit& Unit) { Copy(Unit); }
102
103			void Copy(const EGUnit& Unit) {
104			pEGInfo = Unit.pEGInfo;
105
106			SfzSignalUnit::Copy(Unit);
107			}
108
109			virtual bool Active() { return EG.active(); }
110	iliev	2220	virtual float GetLevel() { return DelayStage() ? 0 : EG.getLevel(); }
111	iliev	2218
112			virtual void EnterReleaseStage() { EG.update(EG::event_release, GetSampleRate()); }
113			virtual void CancelRelease() { EG.update(EG::event_cancel_release, GetSampleRate()); }
114
115			virtual void Increment() {
116			if (DelayStage()) return;
117
118			SfzSignalUnit::Increment();
119			if (!EG.active()) return;
120
121			switch (EG.getSegmentType()) {
122			case EG::segment_lin:
123			EG.processLin();
124			break;
125			case EG::segment_exp:
126			EG.processExp();
127			break;
128			case EG::segment_end:
129			EG.getLevel();
130			break; // noop
131			case EG::segment_pow:
132			EG.processPow();
133			break;
134			}
135
136			if (EG.active()) {
137			EG.increment(1);
138			if (!EG.toStageEndLeft()) EG.update(EG::event_stage_end, GetSampleRate());
139			}
140			}
141			};
142
143			class EGv1Unit: public EGUnit<EGADSR> {
144			public:
145	iliev	2220	int depth;
146			EGv1Unit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack), depth(0) { }
147	iliev	2218	};
148
149			class EGv2Unit: public EGUnit< ::LinuxSampler::sfz::EG> {
150	iliev	2229	protected:
151			::sfz::EG egInfo;
152	iliev	2218	public:
153			EGv2Unit(SfzSignalUnitRack* rack): EGUnit< ::LinuxSampler::sfz::EG>(rack) { }
154			virtual void Trigger();
155			};
156
157	iliev	2220	class PitchEGUnit: public EGv1Unit {
158			public:
159			PitchEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
160			virtual void Trigger();
161			};
162
163	iliev	2222	class FilEGUnit: public EGv1Unit {
164			public:
165			FilEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
166			virtual void Trigger();
167			};
168
169	iliev	2229	class AmpEGUnit: public EGv1Unit {
170			public:
171			AmpEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
172			virtual void Trigger();
173			};
174
175	iliev	2223	class AbstractLfo {
176			public:
177			virtual float Render() = 0;
178			virtual void Update(const uint16_t& ExtControlValue) = 0;
179			virtual void Trigger(float Frequency, start_level_t StartLevel, uint16_t InternalDepth, uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate) = 0;
180	iliev	2225	virtual void SetPhase(float phase) = 0;
181	iliev	2227	virtual void SetFrequency(float Frequency, unsigned int SampleRate) = 0;
182	iliev	2223	};
183
184			template <class T>
185			class LfoBase: public AbstractLfo, public T {
186			public:
187			LfoBase(float Max): T(Max) { }
188			virtual float Render() { return T::render(); }
189
190			virtual void Update(const uint16_t& ExtControlValue) { T::update(ExtControlValue); }
191
192			virtual void Trigger (
193			float Frequency, start_level_t StartLevel, uint16_t InternalDepth,
194			uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate
195			) {
196			T::trigger(Frequency, StartLevel, InternalDepth, ExtControlDepth, FlipPhase, SampleRate);
197			}
198	iliev	2225
199			virtual void SetPhase(float phase) { T::setPhase(phase); }
200	iliev	2227
201			virtual void SetFrequency(float Frequency, unsigned int SampleRate) {
202			T::setFrequency(Frequency, SampleRate);
203			}
204	iliev	2223	};
205
206	iliev	2226	class LFOUnit;
207
208			class FadeEGUnit: public EGUnit<EGADSR> {
209			public:
210			FadeEGUnit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack) { }
211			virtual void Trigger() { }
212			virtual void EnterReleaseStage() { }
213			virtual void CancelRelease() { }
214
215			friend class LFOUnit;
216			};
217
218	iliev	2227	class LFOUnit: public SfzSignalUnit, public CCSignalUnit::Listener {
219	iliev	2219	public:
220	iliev	2226	::sfz::LFO* pLfoInfo;
221	iliev	2223	AbstractLfo* pLFO;
222	iliev	2226	FadeEGUnit suFadeEG;
223	iliev	2227	CCUnit suFreqOnCC;
224	iliev	2219
225	iliev	2227	LFOUnit(SfzSignalUnitRack* rack);
226	iliev	2226	LFOUnit(const LFOUnit& Unit);
227	iliev	2219	void operator=(const LFOUnit& Unit) { Copy(Unit); }
228
229			void Copy(const LFOUnit& Unit) {
230	iliev	2227	pLfoInfo = Unit.pLfoInfo;
231	iliev	2226	suFadeEG = Unit.suFadeEG;
232	iliev	2219
233			SfzSignalUnit::Copy(Unit);
234			}
235
236	iliev	2229	virtual bool Active() { return pLfoInfo->freq > 0; }
237	iliev	2219	virtual void Trigger();
238			virtual void Increment();
239			virtual float GetLevel() { return Level; }
240	iliev	2227	virtual void ValueChanged(CCSignalUnit* pUnit);
241	iliev	2219	};
242	iliev	2218
243	iliev	2221	class LFOv1Unit: public LFOUnit {
244			public:
245			::sfz::LFO lfoInfo;
246	iliev	2223	LfoBase<LFOSigned> lfo;
247	iliev	2221
248	iliev	2223	LFOv1Unit(SfzSignalUnitRack* rack): LFOUnit(rack), lfo(1200.0f) {
249			pLfoInfo = &lfoInfo; pLFO = &lfo;
250			}
251	iliev	2221
252			virtual void Trigger();
253			};
254
255	iliev	2219	class LFOv2Unit: public LFOUnit {
256	iliev	2223	protected:
257			FixedArray<AbstractLfo*> lfos;
258			LfoBase<LFOSigned> lfo0; // triangle
259			LfoBase<SineLFO<range_signed> > lfo1; // sine
260			LfoBase<PulseLFO<range_unsigned, 750> > lfo2; // pulse 75%
261			LfoBase<SquareLFO<range_signed> > lfo3; // square
262			LfoBase<PulseLFO<range_unsigned, 250> > lfo4; // pulse 25%
263			LfoBase<PulseLFO<range_unsigned, 125> > lfo5; // pulse 12,5%
264			LfoBase<SawLFO<range_unsigned, true> > lfo6; // saw up
265			LfoBase<SawLFO<range_unsigned, false> > lfo7; // saw down
266
267
268	iliev	2219	public:
269	iliev	2225	CCUnit suPitchOnCC;
270
271	iliev	2223	LFOv2Unit(SfzSignalUnitRack* rack);
272	iliev	2219
273			virtual void Trigger();
274			};
275	iliev	2218
276	iliev	2221	class AmpLFOUnit: public LFOv1Unit {
277			public:
278			AmpLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
279
280			virtual void Trigger();
281			};
282	iliev	2219
283	iliev	2221	class PitchLFOUnit: public LFOv1Unit {
284			public:
285	iliev	2224	CCUnit suDepthCC;
286	iliev	2221
287	iliev	2224	PitchLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack), suDepthCC(rack) { }
288
289	iliev	2221	virtual void Trigger();
290			};
291	iliev	2219
292	iliev	2221	class FilLFOUnit: public LFOv1Unit {
293			public:
294			FilLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
295
296			virtual void Trigger();
297			};
298
299
300	iliev	2224	class EndpointUnit: public EndpointSignalUnit {
301	iliev	2218	public:
302			Voice* pVoice;
303
304			EndpointUnit(SfzSignalUnitRack* rack);
305
306			virtual void Trigger();
307
308			/** The endpoint should be active until the volume EG is active. */
309			virtual bool Active();
310
311			virtual float GetVolume();
312			virtual float GetFilterCutoff();
313			virtual float GetPitch();
314			virtual float GetResonance();
315	iliev	2219	virtual float GetPan();
316	iliev	2218
317			SfzSignalUnitRack* const GetRack();
318	iliev	2219
319			virtual float CalculateResonance(float res) {
320			return GetResonance() + res;
321			}
322	iliev	2218	};
323
324
325			class SfzSignalUnitRack : public SignalUnitRack {
326			private:
327			EndpointUnit suEndpoint;
328	iliev	2229	AmpEGUnit suVolEG;
329	iliev	2222	FilEGUnit suFilEG;
330	iliev	2220	PitchEGUnit suPitchEG;
331	iliev	2218
332	iliev	2221	AmpLFOUnit suAmpLFO;
333			PitchLFOUnit suPitchLFO;
334			FilLFOUnit suFilLFO;
335
336	iliev	2230	// SFZ v2
337
338			CurveCCUnit suVolOnCC;
339
340	iliev	2218	FixedArray<EGv2Unit*> EGs;
341
342			// used for optimization - contains only the ones that are modulating volume
343			FixedArray<EGv2Unit*> volEGs;
344
345			// used for optimization - contains only the ones that are modulating pitch
346			FixedArray<EGv2Unit*> pitchEGs;
347
348	iliev	2219
349			FixedArray<LFOv2Unit*> LFOs;
350
351	iliev	2225	// used for optimization - contains only the ones that are modulating pitch
352			FixedArray<LFOv2Unit*> pitchLFOs;
353
354	iliev	2219	// used for optimization - contains only the ones that are modulating filter cutoff
355			FixedArray<LFOv2Unit*> filLFOs;
356
357			// used for optimization - contains only the ones that are modulating resonance
358			FixedArray<LFOv2Unit*> resLFOs;
359
360			// used for optimization - contains only the ones that are modulating pan
361			FixedArray<LFOv2Unit*> panLFOs;
362
363	iliev	2218
364			public:
365			Voice* const pVoice;
366
367			/**
368			* @param Voice The voice to which this rack belongs.
369			*/
370			SfzSignalUnitRack(Voice* voice);
371			~SfzSignalUnitRack();
372
373			virtual EndpointSignalUnit* GetEndpointUnit();
374
375			virtual void Trigger();
376			virtual void EnterFadeOutStage();
377
378			friend class EndpointUnit;
379			};
380			}} // namespace LinuxSampler::sfz
381
382			#endif /* __LS_SFZSIGNALUNITRACK_H__ */
383