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);
    };
    
    
    class XFInCCUnit: public CCUnit {
        public:
            XFInCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
            
            virtual bool Active() { return Ctrls.size() > 0; }
            virtual void Calculate();
            virtual void SetCrossFadeCCs(::sfz::Array<int>& loCCs, ::sfz::Array<int>& hiCCs);
    };
    
    
    class XFOutCCUnit: public XFInCCUnit {
        public:
            XFOutCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): XFInCCUnit(rack, l) { }
            
            virtual void Calculate();
    };
    
    
    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;
            CurveCCUnit suPanOnCC;
            
            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 {
        private:
            float xfCoeff; // crossfade coefficient
            float pitchVeltrackRatio;
            
        public:
            Voice* pVoice;
            XFInCCUnit   suXFInCC;
            XFOutCCUnit  suXFOutCC;
            SmoothCCUnit suPanOnCC;

            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 resonance
            FixedArray<EGv2Unit*> resEGs;
            
            // used for optimization - contains only the ones that are modulating pitch
            FixedArray<EGv2Unit*> panEGs;
            
            
            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	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	iliev	2232	virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth);
72
73	iliev	2230	inline int GetCurveCount();
74			inline ::sfz::Curve* GetCurve(int idx);
75	iliev	2232
76			double GetSampleRate();
77	iliev	2224	};
78
79	iliev	2230	class CurveCCUnit: public CCUnit {
80			public:
81			CurveCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
82
83	iliev	2232	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	iliev	2230	}
87			};
88	iliev	2224
89	iliev	2230
90	iliev	2232
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	iliev	2236	class XFInCCUnit: public CCUnit {
102			public:
103			XFInCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
104
105			virtual bool Active() { return Ctrls.size() > 0; }
106			virtual void Calculate();
107			virtual void SetCrossFadeCCs(::sfz::Array<int>& loCCs, ::sfz::Array<int>& hiCCs);
108			};
109
110
111			class XFOutCCUnit: public XFInCCUnit {
112			public:
113			XFOutCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): XFInCCUnit(rack, l) { }
114
115			virtual void Calculate();
116			};
117
118
119	iliev	2218	template <class T>
120	iliev	2219	class EGUnit: public SfzSignalUnit {
121	iliev	2218	public:
122			::sfz::EG* pEGInfo;
123			T EG;
124
125			EGUnit(SfzSignalUnitRack* rack): SfzSignalUnit(rack), pEGInfo(NULL) { }
126	iliev	2219	EGUnit(const EGUnit& Unit): SfzSignalUnit(Unit) { Copy(Unit); }
127	iliev	2218	void operator=(const EGUnit& Unit) { Copy(Unit); }
128
129			void Copy(const EGUnit& Unit) {
130			pEGInfo = Unit.pEGInfo;
131
132			SfzSignalUnit::Copy(Unit);
133			}
134
135			virtual bool Active() { return EG.active(); }
136	iliev	2220	virtual float GetLevel() { return DelayStage() ? 0 : EG.getLevel(); }
137	iliev	2218
138			virtual void EnterReleaseStage() { EG.update(EG::event_release, GetSampleRate()); }
139			virtual void CancelRelease() { EG.update(EG::event_cancel_release, GetSampleRate()); }
140
141			virtual void Increment() {
142			if (DelayStage()) return;
143
144			SfzSignalUnit::Increment();
145			if (!EG.active()) return;
146
147			switch (EG.getSegmentType()) {
148			case EG::segment_lin:
149			EG.processLin();
150			break;
151			case EG::segment_exp:
152			EG.processExp();
153			break;
154			case EG::segment_end:
155			EG.getLevel();
156			break; // noop
157			case EG::segment_pow:
158			EG.processPow();
159			break;
160			}
161
162			if (EG.active()) {
163			EG.increment(1);
164			if (!EG.toStageEndLeft()) EG.update(EG::event_stage_end, GetSampleRate());
165			}
166			}
167			};
168
169			class EGv1Unit: public EGUnit<EGADSR> {
170			public:
171	iliev	2220	int depth;
172			EGv1Unit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack), depth(0) { }
173	iliev	2218	};
174
175			class EGv2Unit: public EGUnit< ::LinuxSampler::sfz::EG> {
176	iliev	2229	protected:
177			::sfz::EG egInfo;
178	iliev	2218	public:
179	iliev	2235	CCUnit suAmpOnCC;
180			CCUnit suVolOnCC;
181			CCUnit suPitchOnCC;
182			CCUnit suCutoffOnCC;
183			CCUnit suResOnCC;
184	iliev	2237	CurveCCUnit suPanOnCC;
185	iliev	2235
186			EGv2Unit(SfzSignalUnitRack* rack);
187	iliev	2218	virtual void Trigger();
188			};
189
190	iliev	2220	class PitchEGUnit: public EGv1Unit {
191			public:
192			PitchEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
193			virtual void Trigger();
194			};
195
196	iliev	2222	class FilEGUnit: public EGv1Unit {
197			public:
198			FilEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
199			virtual void Trigger();
200			};
201
202	iliev	2229	class AmpEGUnit: public EGv1Unit {
203			public:
204			AmpEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
205			virtual void Trigger();
206			};
207
208	iliev	2223	class AbstractLfo {
209			public:
210			virtual float Render() = 0;
211			virtual void Update(const uint16_t& ExtControlValue) = 0;
212			virtual void Trigger(float Frequency, start_level_t StartLevel, uint16_t InternalDepth, uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate) = 0;
213	iliev	2225	virtual void SetPhase(float phase) = 0;
214	iliev	2227	virtual void SetFrequency(float Frequency, unsigned int SampleRate) = 0;
215	iliev	2223	};
216
217			template <class T>
218			class LfoBase: public AbstractLfo, public T {
219			public:
220			LfoBase(float Max): T(Max) { }
221			virtual float Render() { return T::render(); }
222
223			virtual void Update(const uint16_t& ExtControlValue) { T::update(ExtControlValue); }
224
225			virtual void Trigger (
226			float Frequency, start_level_t StartLevel, uint16_t InternalDepth,
227			uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate
228			) {
229			T::trigger(Frequency, StartLevel, InternalDepth, ExtControlDepth, FlipPhase, SampleRate);
230			}
231	iliev	2225
232			virtual void SetPhase(float phase) { T::setPhase(phase); }
233	iliev	2227
234			virtual void SetFrequency(float Frequency, unsigned int SampleRate) {
235			T::setFrequency(Frequency, SampleRate);
236			}
237	iliev	2223	};
238
239	iliev	2226	class LFOUnit;
240
241			class FadeEGUnit: public EGUnit<EGADSR> {
242			public:
243			FadeEGUnit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack) { }
244			virtual void Trigger() { }
245			virtual void EnterReleaseStage() { }
246			virtual void CancelRelease() { }
247
248			friend class LFOUnit;
249			};
250
251	iliev	2227	class LFOUnit: public SfzSignalUnit, public CCSignalUnit::Listener {
252	iliev	2219	public:
253	iliev	2226	::sfz::LFO* pLfoInfo;
254	iliev	2223	AbstractLfo* pLFO;
255	iliev	2226	FadeEGUnit suFadeEG;
256	iliev	2233	SmoothCCUnit suDepthOnCC;
257			SmoothCCUnit suFreqOnCC;
258	iliev	2219
259	iliev	2227	LFOUnit(SfzSignalUnitRack* rack);
260	iliev	2226	LFOUnit(const LFOUnit& Unit);
261	iliev	2219	void operator=(const LFOUnit& Unit) { Copy(Unit); }
262
263			void Copy(const LFOUnit& Unit) {
264	iliev	2227	pLfoInfo = Unit.pLfoInfo;
265	iliev	2226	suFadeEG = Unit.suFadeEG;
266	iliev	2219
267			SfzSignalUnit::Copy(Unit);
268			}
269
270	iliev	2229	virtual bool Active() { return pLfoInfo->freq > 0; }
271	iliev	2219	virtual void Trigger();
272			virtual void Increment();
273			virtual float GetLevel() { return Level; }
274	iliev	2227	virtual void ValueChanged(CCSignalUnit* pUnit);
275	iliev	2219	};
276	iliev	2218
277	iliev	2221	class LFOv1Unit: public LFOUnit {
278			public:
279			::sfz::LFO lfoInfo;
280	iliev	2223	LfoBase<LFOSigned> lfo;
281	iliev	2221
282	iliev	2223	LFOv1Unit(SfzSignalUnitRack* rack): LFOUnit(rack), lfo(1200.0f) {
283			pLfoInfo = &lfoInfo; pLFO = &lfo;
284			}
285	iliev	2221
286			virtual void Trigger();
287			};
288
289	iliev	2219	class LFOv2Unit: public LFOUnit {
290	iliev	2223	protected:
291			FixedArray<AbstractLfo*> lfos;
292			LfoBase<LFOSigned> lfo0; // triangle
293			LfoBase<SineLFO<range_signed> > lfo1; // sine
294			LfoBase<PulseLFO<range_unsigned, 750> > lfo2; // pulse 75%
295			LfoBase<SquareLFO<range_signed> > lfo3; // square
296			LfoBase<PulseLFO<range_unsigned, 250> > lfo4; // pulse 25%
297			LfoBase<PulseLFO<range_unsigned, 125> > lfo5; // pulse 12,5%
298			LfoBase<SawLFO<range_unsigned, true> > lfo6; // saw up
299			LfoBase<SawLFO<range_unsigned, false> > lfo7; // saw down
300
301
302	iliev	2219	public:
303	iliev	2233	SmoothCCUnit suVolOnCC;
304			SmoothCCUnit suPitchOnCC;
305			SmoothCCUnit suPanOnCC;
306			SmoothCCUnit suCutoffOnCC;
307			SmoothCCUnit suResOnCC;
308	iliev	2225
309	iliev	2223	LFOv2Unit(SfzSignalUnitRack* rack);
310	iliev	2219
311			virtual void Trigger();
312			};
313	iliev	2218
314	iliev	2221	class AmpLFOUnit: public LFOv1Unit {
315			public:
316			AmpLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
317
318			virtual void Trigger();
319			};
320	iliev	2219
321	iliev	2221	class PitchLFOUnit: public LFOv1Unit {
322			public:
323	iliev	2233	PitchLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
324	iliev	2221
325			virtual void Trigger();
326			};
327	iliev	2219
328	iliev	2221	class FilLFOUnit: public LFOv1Unit {
329			public:
330			FilLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
331
332			virtual void Trigger();
333			};
334
335
336	iliev	2224	class EndpointUnit: public EndpointSignalUnit {
337	iliev	2236	private:
338			float xfCoeff; // crossfade coefficient
339	iliev	2237	float pitchVeltrackRatio;
340	iliev	2236
341	iliev	2218	public:
342			Voice* pVoice;
343	iliev	2237	XFInCCUnit suXFInCC;
344			XFOutCCUnit suXFOutCC;
345			SmoothCCUnit suPanOnCC;
346	iliev	2218
347			EndpointUnit(SfzSignalUnitRack* rack);
348
349			virtual void Trigger();
350
351			/** The endpoint should be active until the volume EG is active. */
352			virtual bool Active();
353
354			virtual float GetVolume();
355			virtual float GetFilterCutoff();
356			virtual float GetPitch();
357			virtual float GetResonance();
358	iliev	2219	virtual float GetPan();
359	iliev	2218
360			SfzSignalUnitRack* const GetRack();
361	iliev	2219
362			virtual float CalculateResonance(float res) {
363			return GetResonance() + res;
364			}
365	iliev	2235
366			virtual float CalculateFilterCutoff(float cutoff);
367	iliev	2218	};
368
369
370			class SfzSignalUnitRack : public SignalUnitRack {
371			private:
372			EndpointUnit suEndpoint;
373	iliev	2229	AmpEGUnit suVolEG;
374	iliev	2222	FilEGUnit suFilEG;
375	iliev	2220	PitchEGUnit suPitchEG;
376	iliev	2218
377	iliev	2221	AmpLFOUnit suAmpLFO;
378			PitchLFOUnit suPitchLFO;
379			FilLFOUnit suFilLFO;
380
381	iliev	2230	// SFZ v2
382
383	iliev	2232	SmoothCCUnit suVolOnCC;
384	iliev	2230
385	iliev	2218	FixedArray<EGv2Unit*> EGs;
386
387			// used for optimization - contains only the ones that are modulating volume
388			FixedArray<EGv2Unit*> volEGs;
389
390			// used for optimization - contains only the ones that are modulating pitch
391			FixedArray<EGv2Unit*> pitchEGs;
392
393	iliev	2235	// used for optimization - contains only the ones that are modulating filter cutoff
394			FixedArray<EGv2Unit*> filEGs;
395	iliev	2219
396	iliev	2237	// used for optimization - contains only the ones that are modulating resonance
397	iliev	2235	FixedArray<EGv2Unit*> resEGs;
398
399	iliev	2237	// used for optimization - contains only the ones that are modulating pitch
400			FixedArray<EGv2Unit*> panEGs;
401	iliev	2235
402	iliev	2237
403	iliev	2219	FixedArray<LFOv2Unit*> LFOs;
404
405	iliev	2233	// used for optimization - contains only the ones that are modulating volume
406			FixedArray<LFOv2Unit*> volLFOs;
407
408	iliev	2225	// used for optimization - contains only the ones that are modulating pitch
409			FixedArray<LFOv2Unit*> pitchLFOs;
410
411	iliev	2219	// used for optimization - contains only the ones that are modulating filter cutoff
412			FixedArray<LFOv2Unit*> filLFOs;
413
414			// used for optimization - contains only the ones that are modulating resonance
415			FixedArray<LFOv2Unit*> resLFOs;
416
417			// used for optimization - contains only the ones that are modulating pan
418			FixedArray<LFOv2Unit*> panLFOs;
419
420	iliev	2218
421			public:
422			Voice* const pVoice;
423
424			/**
425			* @param Voice The voice to which this rack belongs.
426			*/
427			SfzSignalUnitRack(Voice* voice);
428			~SfzSignalUnitRack();
429
430			virtual EndpointSignalUnit* GetEndpointUnit();
431
432			virtual void Trigger();
433			virtual void EnterFadeOutStage();
434
435			friend class EndpointUnit;
436			};
437			}} // namespace LinuxSampler::sfz
438
439			#endif /* __LS_SFZSIGNALUNITRACK_H__ */
440