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 = 200;
    const int maxEgCount = 30; // Maximum number of v2 envelope generators
    const int maxLfoCount = 30; // 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:
            FixedArray<Smoother> Smoothers;
        public:
            SmoothCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CurveCCUnit(rack, l), Smoothers(MaxCCs) { }
            
            virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth);
            
            virtual void RemoveAllCCs() { CurveCCUnit::RemoveAllCCs(); Smoothers.clear(); }
    };
    
    
    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	iliev	2238	const int MaxUnitCount = 200;
36			const int maxEgCount = 30; // Maximum number of v2 envelope generators
37			const int maxLfoCount = 30; // Maximum number of v2 LFOs
38	iliev	2218
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	iliev	2238	FixedArray<Smoother> Smoothers;
94	iliev	2232	public:
95	iliev	2238	SmoothCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CurveCCUnit(rack, l), Smoothers(MaxCCs) { }
96	iliev	2232
97			virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth);
98	iliev	2238
99			virtual void RemoveAllCCs() { CurveCCUnit::RemoveAllCCs(); Smoothers.clear(); }
100	iliev	2232	};
101
102
103	iliev	2236	class XFInCCUnit: public CCUnit {
104			public:
105			XFInCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
106
107			virtual bool Active() { return Ctrls.size() > 0; }
108			virtual void Calculate();
109			virtual void SetCrossFadeCCs(::sfz::Array<int>& loCCs, ::sfz::Array<int>& hiCCs);
110			};
111
112
113			class XFOutCCUnit: public XFInCCUnit {
114			public:
115			XFOutCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): XFInCCUnit(rack, l) { }
116
117			virtual void Calculate();
118			};
119
120
121	iliev	2218	template <class T>
122	iliev	2219	class EGUnit: public SfzSignalUnit {
123	iliev	2218	public:
124			::sfz::EG* pEGInfo;
125			T EG;
126
127			EGUnit(SfzSignalUnitRack* rack): SfzSignalUnit(rack), pEGInfo(NULL) { }
128	iliev	2219	EGUnit(const EGUnit& Unit): SfzSignalUnit(Unit) { Copy(Unit); }
129	iliev	2218	void operator=(const EGUnit& Unit) { Copy(Unit); }
130
131			void Copy(const EGUnit& Unit) {
132			pEGInfo = Unit.pEGInfo;
133
134			SfzSignalUnit::Copy(Unit);
135			}
136
137			virtual bool Active() { return EG.active(); }
138	iliev	2220	virtual float GetLevel() { return DelayStage() ? 0 : EG.getLevel(); }
139	iliev	2218
140			virtual void EnterReleaseStage() { EG.update(EG::event_release, GetSampleRate()); }
141			virtual void CancelRelease() { EG.update(EG::event_cancel_release, GetSampleRate()); }
142
143			virtual void Increment() {
144			if (DelayStage()) return;
145
146			SfzSignalUnit::Increment();
147			if (!EG.active()) return;
148
149			switch (EG.getSegmentType()) {
150			case EG::segment_lin:
151			EG.processLin();
152			break;
153			case EG::segment_exp:
154			EG.processExp();
155			break;
156			case EG::segment_end:
157			EG.getLevel();
158			break; // noop
159			case EG::segment_pow:
160			EG.processPow();
161			break;
162			}
163
164			if (EG.active()) {
165			EG.increment(1);
166			if (!EG.toStageEndLeft()) EG.update(EG::event_stage_end, GetSampleRate());
167			}
168			}
169			};
170
171			class EGv1Unit: public EGUnit<EGADSR> {
172			public:
173	iliev	2220	int depth;
174			EGv1Unit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack), depth(0) { }
175	iliev	2218	};
176
177			class EGv2Unit: public EGUnit< ::LinuxSampler::sfz::EG> {
178	iliev	2229	protected:
179			::sfz::EG egInfo;
180	iliev	2218	public:
181	iliev	2235	CCUnit suAmpOnCC;
182			CCUnit suVolOnCC;
183			CCUnit suPitchOnCC;
184			CCUnit suCutoffOnCC;
185			CCUnit suResOnCC;
186	iliev	2237	CurveCCUnit suPanOnCC;
187	iliev	2235
188			EGv2Unit(SfzSignalUnitRack* rack);
189	iliev	2218	virtual void Trigger();
190			};
191
192	iliev	2220	class PitchEGUnit: public EGv1Unit {
193			public:
194			PitchEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
195			virtual void Trigger();
196			};
197
198	iliev	2222	class FilEGUnit: public EGv1Unit {
199			public:
200			FilEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
201			virtual void Trigger();
202			};
203
204	iliev	2229	class AmpEGUnit: public EGv1Unit {
205			public:
206			AmpEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
207			virtual void Trigger();
208			};
209
210	iliev	2223	class AbstractLfo {
211			public:
212			virtual float Render() = 0;
213			virtual void Update(const uint16_t& ExtControlValue) = 0;
214			virtual void Trigger(float Frequency, start_level_t StartLevel, uint16_t InternalDepth, uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate) = 0;
215	iliev	2225	virtual void SetPhase(float phase) = 0;
216	iliev	2227	virtual void SetFrequency(float Frequency, unsigned int SampleRate) = 0;
217	iliev	2223	};
218
219			template <class T>
220			class LfoBase: public AbstractLfo, public T {
221			public:
222			LfoBase(float Max): T(Max) { }
223			virtual float Render() { return T::render(); }
224
225			virtual void Update(const uint16_t& ExtControlValue) { T::update(ExtControlValue); }
226
227			virtual void Trigger (
228			float Frequency, start_level_t StartLevel, uint16_t InternalDepth,
229			uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate
230			) {
231			T::trigger(Frequency, StartLevel, InternalDepth, ExtControlDepth, FlipPhase, SampleRate);
232			}
233	iliev	2225
234			virtual void SetPhase(float phase) { T::setPhase(phase); }
235	iliev	2227
236			virtual void SetFrequency(float Frequency, unsigned int SampleRate) {
237			T::setFrequency(Frequency, SampleRate);
238			}
239	iliev	2223	};
240
241	iliev	2226	class LFOUnit;
242
243			class FadeEGUnit: public EGUnit<EGADSR> {
244			public:
245			FadeEGUnit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack) { }
246			virtual void Trigger() { }
247			virtual void EnterReleaseStage() { }
248			virtual void CancelRelease() { }
249
250			friend class LFOUnit;
251			};
252
253	iliev	2227	class LFOUnit: public SfzSignalUnit, public CCSignalUnit::Listener {
254	iliev	2219	public:
255	iliev	2226	::sfz::LFO* pLfoInfo;
256	iliev	2223	AbstractLfo* pLFO;
257	iliev	2226	FadeEGUnit suFadeEG;
258	iliev	2233	SmoothCCUnit suDepthOnCC;
259			SmoothCCUnit suFreqOnCC;
260	iliev	2219
261	iliev	2227	LFOUnit(SfzSignalUnitRack* rack);
262	iliev	2226	LFOUnit(const LFOUnit& Unit);
263	iliev	2219	void operator=(const LFOUnit& Unit) { Copy(Unit); }
264
265			void Copy(const LFOUnit& Unit) {
266	iliev	2227	pLfoInfo = Unit.pLfoInfo;
267	iliev	2226	suFadeEG = Unit.suFadeEG;
268	iliev	2219
269			SfzSignalUnit::Copy(Unit);
270			}
271
272	iliev	2229	virtual bool Active() { return pLfoInfo->freq > 0; }
273	iliev	2219	virtual void Trigger();
274			virtual void Increment();
275			virtual float GetLevel() { return Level; }
276	iliev	2227	virtual void ValueChanged(CCSignalUnit* pUnit);
277	iliev	2219	};
278	iliev	2218
279	iliev	2221	class LFOv1Unit: public LFOUnit {
280			public:
281			::sfz::LFO lfoInfo;
282	iliev	2223	LfoBase<LFOSigned> lfo;
283	iliev	2221
284	iliev	2223	LFOv1Unit(SfzSignalUnitRack* rack): LFOUnit(rack), lfo(1200.0f) {
285			pLfoInfo = &lfoInfo; pLFO = &lfo;
286			}
287	iliev	2221
288			virtual void Trigger();
289			};
290
291	iliev	2219	class LFOv2Unit: public LFOUnit {
292	iliev	2223	protected:
293			FixedArray<AbstractLfo*> lfos;
294			LfoBase<LFOSigned> lfo0; // triangle
295			LfoBase<SineLFO<range_signed> > lfo1; // sine
296			LfoBase<PulseLFO<range_unsigned, 750> > lfo2; // pulse 75%
297			LfoBase<SquareLFO<range_signed> > lfo3; // square
298			LfoBase<PulseLFO<range_unsigned, 250> > lfo4; // pulse 25%
299			LfoBase<PulseLFO<range_unsigned, 125> > lfo5; // pulse 12,5%
300			LfoBase<SawLFO<range_unsigned, true> > lfo6; // saw up
301			LfoBase<SawLFO<range_unsigned, false> > lfo7; // saw down
302
303
304	iliev	2219	public:
305	iliev	2233	SmoothCCUnit suVolOnCC;
306			SmoothCCUnit suPitchOnCC;
307			SmoothCCUnit suPanOnCC;
308			SmoothCCUnit suCutoffOnCC;
309			SmoothCCUnit suResOnCC;
310	iliev	2225
311	iliev	2223	LFOv2Unit(SfzSignalUnitRack* rack);
312	iliev	2219
313			virtual void Trigger();
314			};
315	iliev	2218
316	iliev	2221	class AmpLFOUnit: public LFOv1Unit {
317			public:
318			AmpLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
319
320			virtual void Trigger();
321			};
322	iliev	2219
323	iliev	2221	class PitchLFOUnit: public LFOv1Unit {
324			public:
325	iliev	2233	PitchLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
326	iliev	2221
327			virtual void Trigger();
328			};
329	iliev	2219
330	iliev	2221	class FilLFOUnit: public LFOv1Unit {
331			public:
332			FilLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
333
334			virtual void Trigger();
335			};
336
337
338	iliev	2224	class EndpointUnit: public EndpointSignalUnit {
339	iliev	2236	private:
340			float xfCoeff; // crossfade coefficient
341	iliev	2237	float pitchVeltrackRatio;
342	iliev	2236
343	iliev	2218	public:
344			Voice* pVoice;
345	iliev	2237	XFInCCUnit suXFInCC;
346			XFOutCCUnit suXFOutCC;
347			SmoothCCUnit suPanOnCC;
348	iliev	2218
349			EndpointUnit(SfzSignalUnitRack* rack);
350
351			virtual void Trigger();
352
353			/** The endpoint should be active until the volume EG is active. */
354			virtual bool Active();
355
356			virtual float GetVolume();
357			virtual float GetFilterCutoff();
358			virtual float GetPitch();
359			virtual float GetResonance();
360	iliev	2219	virtual float GetPan();
361	iliev	2218
362			SfzSignalUnitRack* const GetRack();
363	iliev	2219
364			virtual float CalculateResonance(float res) {
365			return GetResonance() + res;
366			}
367	iliev	2235
368			virtual float CalculateFilterCutoff(float cutoff);
369	iliev	2218	};
370
371
372			class SfzSignalUnitRack : public SignalUnitRack {
373			private:
374			EndpointUnit suEndpoint;
375	iliev	2229	AmpEGUnit suVolEG;
376	iliev	2222	FilEGUnit suFilEG;
377	iliev	2220	PitchEGUnit suPitchEG;
378	iliev	2218
379	iliev	2221	AmpLFOUnit suAmpLFO;
380			PitchLFOUnit suPitchLFO;
381			FilLFOUnit suFilLFO;
382
383	iliev	2230	// SFZ v2
384
385	iliev	2232	SmoothCCUnit suVolOnCC;
386	iliev	2230
387	iliev	2218	FixedArray<EGv2Unit*> EGs;
388
389			// used for optimization - contains only the ones that are modulating volume
390			FixedArray<EGv2Unit*> volEGs;
391
392			// used for optimization - contains only the ones that are modulating pitch
393			FixedArray<EGv2Unit*> pitchEGs;
394
395	iliev	2235	// used for optimization - contains only the ones that are modulating filter cutoff
396			FixedArray<EGv2Unit*> filEGs;
397	iliev	2219
398	iliev	2237	// used for optimization - contains only the ones that are modulating resonance
399	iliev	2235	FixedArray<EGv2Unit*> resEGs;
400
401	iliev	2237	// used for optimization - contains only the ones that are modulating pitch
402			FixedArray<EGv2Unit*> panEGs;
403	iliev	2235
404	iliev	2237
405	iliev	2219	FixedArray<LFOv2Unit*> LFOs;
406
407	iliev	2233	// used for optimization - contains only the ones that are modulating volume
408			FixedArray<LFOv2Unit*> volLFOs;
409
410	iliev	2225	// used for optimization - contains only the ones that are modulating pitch
411			FixedArray<LFOv2Unit*> pitchLFOs;
412
413	iliev	2219	// used for optimization - contains only the ones that are modulating filter cutoff
414			FixedArray<LFOv2Unit*> filLFOs;
415
416			// used for optimization - contains only the ones that are modulating resonance
417			FixedArray<LFOv2Unit*> resLFOs;
418
419			// used for optimization - contains only the ones that are modulating pan
420			FixedArray<LFOv2Unit*> panLFOs;
421
422	iliev	2218
423			public:
424			Voice* const pVoice;
425
426			/**
427			* @param Voice The voice to which this rack belongs.
428			*/
429			SfzSignalUnitRack(Voice* voice);
430			~SfzSignalUnitRack();
431
432			virtual EndpointSignalUnit* GetEndpointUnit();
433
434			virtual void Trigger();
435			virtual void EnterFadeOutStage();
436
437			friend class EndpointUnit;
438			};
439			}} // namespace LinuxSampler::sfz
440
441			#endif /* __LS_SFZSIGNALUNITRACK_H__ */
442