engines/sfz/SfzSignalUnitRack.h

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2011 - 2012 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(::sfz::Array<float>& pCC);
            void SetCCs(ArrayList< ::sfz::CC>& cc);
            
            virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth, float Step);
            
            int GetCurveCount();
            ::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:
            RTList<Smoother>* pSmoothers;
        public:
            SmoothCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CurveCCUnit(rack, l), pSmoothers(NULL) { }
            virtual ~SmoothCCUnit();
            
            virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth, float Step);
            virtual void RemoveAllCCs() { CurveCCUnit::RemoveAllCCs(); pSmoothers->clear(); }
            virtual void InitCCList(Pool<CC>* pCCPool, Pool<Smoother>* pSmootherPool);
            
            void InitSmoothers(Pool<Smoother>* pSmootherPool);
    };
    
    
    class EqUnitSupport {
        public:
            EqUnitSupport(SfzSignalUnitRack* pRack, Voice* pVoice = NULL);
            
            SmoothCCUnit suEq1GainOnCC;
            SmoothCCUnit suEq2GainOnCC;
            SmoothCCUnit suEq3GainOnCC;
            
            SmoothCCUnit suEq1FreqOnCC;
            SmoothCCUnit suEq2FreqOnCC;
            SmoothCCUnit suEq3FreqOnCC;
            
            SmoothCCUnit suEq1BwOnCC;
            SmoothCCUnit suEq2BwOnCC;
            SmoothCCUnit suEq3BwOnCC;
            
            void SetVoice(Voice* pVoice);
            void ImportUnits(SfzSignalUnitRack* pRack);
            void ResetUnits();
            void InitCCLists(Pool<CCSignalUnit::CC>* pCCPool, Pool<Smoother>* pSmootherPool);
    };
    
    
    class XFInCCUnit: public CCUnit {
        public:
            XFInCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
            
            virtual bool Active() { return !pCtrls->isEmpty(); }
            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>, public EqUnitSupport {
        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 void  Trigger();
            virtual void  Increment();
            virtual float GetLevel() { return Level; }
            
            // CCSignalUnit::Listener interface implementation
            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, public EqUnitSupport {
        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();
            virtual bool  Active() { return true; }
    };
    
    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.
             * This method determines the end of the voice playback.
             */
            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);
            
            float  GetInfluence(::sfz::Array< ::sfz::optional<float> >& cc);
            float  GetInfluence(::sfz::Array< ::sfz::optional<int> >& cc);
    };
    
    
    class SfzSignalUnitRack : public SignalUnitRack, public EqUnitSupport {
        private:
            EndpointUnit  suEndpoint;
            AmpEGUnit     suVolEG;
            FilEGUnit     suFilEG;
            PitchEGUnit   suPitchEG;
            
            AmpLFOUnit   suAmpLFO;
            PitchLFOUnit suPitchLFO;
            FilLFOUnit   suFilLFO;
            
            // SFZ v2
            
            SmoothCCUnit suVolOnCC;
            SmoothCCUnit suPitchOnCC;
            SmoothCCUnit suCutoffOnCC;
            SmoothCCUnit suResOnCC;
            
            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 pan
            FixedArray<EGv2Unit*> panEGs;
            
            // used for optimization - contains only the ones that are modulating EQ
            FixedArray<EGv2Unit*> eqEGs;
            
            
            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;
            
            // used for optimization - contains only the ones that are modulating EQ
            FixedArray<LFOv2Unit*> eqLFOs;
            

        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();
            virtual void EnterFadeOutStage(int maxFadeOutSteps);
            
            /** Called when the engine is set and the engine's pools are ready to use. */
            void InitRTLists();
            
            /** Invoked when the voice gone inactive. */
            void Reset();

            void CalculateFadeOutCoeff(float FadeOutTime, float SampleRate);
            
            virtual void UpdateEqSettings(EqSupport* pEqSupport);
            
            friend class EndpointUnit;
    };
}} // namespace LinuxSampler::sfz

#endif  /* __LS_SFZSIGNALUNITRACK_H__ */

1	iliev	2218	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	persson	2327	* Copyright (C) 2011 - 2012 Grigor Iliev *
6	iliev	2218	* *
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	2296	void SetCCs(::sfz::Array<float>& pCC);
70	iliev	2225	void SetCCs(ArrayList< ::sfz::CC>& cc);
71	iliev	2230
72	iliev	2264	virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth, float Step);
73	iliev	2232
74	iliev	2248	int GetCurveCount();
75			::sfz::Curve* GetCurve(int idx);
76	iliev	2232
77			double GetSampleRate();
78	iliev	2224	};
79
80	iliev	2230	class CurveCCUnit: public CCUnit {
81			public:
82			CurveCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
83
84	iliev	2232	virtual float Normalize(uint8_t val, short int curve = -1) {
85			if (curve == -1) return val / 127.0f;
86			return GetCurve(curve)->v[val];
87	iliev	2230	}
88			};
89	iliev	2224
90	iliev	2230
91	iliev	2232
92			class SmoothCCUnit: public CurveCCUnit {
93			protected:
94	iliev	2244	RTList<Smoother>* pSmoothers;
95	iliev	2232	public:
96	iliev	2244	SmoothCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CurveCCUnit(rack, l), pSmoothers(NULL) { }
97			virtual ~SmoothCCUnit();
98	iliev	2232
99	iliev	2264	virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth, float Step);
100	iliev	2244	virtual void RemoveAllCCs() { CurveCCUnit::RemoveAllCCs(); pSmoothers->clear(); }
101			virtual void InitCCList(Pool<CC>* pCCPool, Pool<Smoother>* pSmootherPool);
102	iliev	2238
103	iliev	2244	void InitSmoothers(Pool<Smoother>* pSmootherPool);
104	iliev	2232	};
105
106
107	iliev	2299	class EqUnitSupport {
108			public:
109			EqUnitSupport(SfzSignalUnitRack* pRack, Voice* pVoice = NULL);
110
111			SmoothCCUnit suEq1GainOnCC;
112			SmoothCCUnit suEq2GainOnCC;
113			SmoothCCUnit suEq3GainOnCC;
114
115			SmoothCCUnit suEq1FreqOnCC;
116			SmoothCCUnit suEq2FreqOnCC;
117			SmoothCCUnit suEq3FreqOnCC;
118
119			SmoothCCUnit suEq1BwOnCC;
120			SmoothCCUnit suEq2BwOnCC;
121			SmoothCCUnit suEq3BwOnCC;
122
123			void SetVoice(Voice* pVoice);
124			void ImportUnits(SfzSignalUnitRack* pRack);
125			void ResetUnits();
126			void InitCCLists(Pool<CCSignalUnit::CC>* pCCPool, Pool<Smoother>* pSmootherPool);
127			};
128
129
130	iliev	2236	class XFInCCUnit: public CCUnit {
131			public:
132			XFInCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
133
134	iliev	2244	virtual bool Active() { return !pCtrls->isEmpty(); }
135	iliev	2236	virtual void Calculate();
136			virtual void SetCrossFadeCCs(::sfz::Array<int>& loCCs, ::sfz::Array<int>& hiCCs);
137			};
138
139
140			class XFOutCCUnit: public XFInCCUnit {
141			public:
142			XFOutCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): XFInCCUnit(rack, l) { }
143
144			virtual void Calculate();
145			};
146
147
148	iliev	2218	template <class T>
149	iliev	2219	class EGUnit: public SfzSignalUnit {
150	iliev	2218	public:
151			::sfz::EG* pEGInfo;
152			T EG;
153
154			EGUnit(SfzSignalUnitRack* rack): SfzSignalUnit(rack), pEGInfo(NULL) { }
155	iliev	2219	EGUnit(const EGUnit& Unit): SfzSignalUnit(Unit) { Copy(Unit); }
156	iliev	2218	void operator=(const EGUnit& Unit) { Copy(Unit); }
157
158			void Copy(const EGUnit& Unit) {
159			pEGInfo = Unit.pEGInfo;
160
161			SfzSignalUnit::Copy(Unit);
162			}
163
164			virtual bool Active() { return EG.active(); }
165	iliev	2220	virtual float GetLevel() { return DelayStage() ? 0 : EG.getLevel(); }
166	iliev	2218
167			virtual void EnterReleaseStage() { EG.update(EG::event_release, GetSampleRate()); }
168			virtual void CancelRelease() { EG.update(EG::event_cancel_release, GetSampleRate()); }
169
170			virtual void Increment() {
171			if (DelayStage()) return;
172
173			SfzSignalUnit::Increment();
174			if (!EG.active()) return;
175
176			switch (EG.getSegmentType()) {
177			case EG::segment_lin:
178			EG.processLin();
179			break;
180			case EG::segment_exp:
181			EG.processExp();
182			break;
183			case EG::segment_end:
184			EG.getLevel();
185			break; // noop
186			case EG::segment_pow:
187			EG.processPow();
188			break;
189			}
190
191			if (EG.active()) {
192			EG.increment(1);
193			if (!EG.toStageEndLeft()) EG.update(EG::event_stage_end, GetSampleRate());
194			}
195			}
196			};
197
198			class EGv1Unit: public EGUnit<EGADSR> {
199			public:
200	iliev	2220	int depth;
201			EGv1Unit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack), depth(0) { }
202	iliev	2218	};
203
204	iliev	2299	class EGv2Unit: public EGUnit< ::LinuxSampler::sfz::EG>, public EqUnitSupport {
205	iliev	2229	protected:
206			::sfz::EG egInfo;
207	iliev	2218	public:
208	iliev	2235	CCUnit suAmpOnCC;
209			CCUnit suVolOnCC;
210			CCUnit suPitchOnCC;
211			CCUnit suCutoffOnCC;
212			CCUnit suResOnCC;
213	iliev	2237	CurveCCUnit suPanOnCC;
214	iliev	2235
215			EGv2Unit(SfzSignalUnitRack* rack);
216	iliev	2218	virtual void Trigger();
217			};
218
219	iliev	2220	class PitchEGUnit: public EGv1Unit {
220			public:
221			PitchEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
222			virtual void Trigger();
223			};
224
225	iliev	2222	class FilEGUnit: public EGv1Unit {
226			public:
227			FilEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
228			virtual void Trigger();
229			};
230
231	iliev	2229	class AmpEGUnit: public EGv1Unit {
232			public:
233			AmpEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
234			virtual void Trigger();
235			};
236
237	iliev	2223	class AbstractLfo {
238			public:
239			virtual float Render() = 0;
240			virtual void Update(const uint16_t& ExtControlValue) = 0;
241			virtual void Trigger(float Frequency, start_level_t StartLevel, uint16_t InternalDepth, uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate) = 0;
242	iliev	2225	virtual void SetPhase(float phase) = 0;
243	iliev	2227	virtual void SetFrequency(float Frequency, unsigned int SampleRate) = 0;
244	iliev	2223	};
245
246			template <class T>
247			class LfoBase: public AbstractLfo, public T {
248			public:
249			LfoBase(float Max): T(Max) { }
250			virtual float Render() { return T::render(); }
251
252			virtual void Update(const uint16_t& ExtControlValue) { T::update(ExtControlValue); }
253
254			virtual void Trigger (
255			float Frequency, start_level_t StartLevel, uint16_t InternalDepth,
256			uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate
257			) {
258			T::trigger(Frequency, StartLevel, InternalDepth, ExtControlDepth, FlipPhase, SampleRate);
259			}
260	iliev	2225
261			virtual void SetPhase(float phase) { T::setPhase(phase); }
262	iliev	2227
263			virtual void SetFrequency(float Frequency, unsigned int SampleRate) {
264			T::setFrequency(Frequency, SampleRate);
265			}
266	iliev	2223	};
267
268	iliev	2226	class LFOUnit;
269
270			class FadeEGUnit: public EGUnit<EGADSR> {
271			public:
272			FadeEGUnit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack) { }
273			virtual void Trigger() { }
274			virtual void EnterReleaseStage() { }
275			virtual void CancelRelease() { }
276
277			friend class LFOUnit;
278			};
279
280	iliev	2227	class LFOUnit: public SfzSignalUnit, public CCSignalUnit::Listener {
281	iliev	2219	public:
282	iliev	2226	::sfz::LFO* pLfoInfo;
283	iliev	2223	AbstractLfo* pLFO;
284	iliev	2226	FadeEGUnit suFadeEG;
285	iliev	2233	SmoothCCUnit suDepthOnCC;
286			SmoothCCUnit suFreqOnCC;
287	iliev	2219
288	iliev	2227	LFOUnit(SfzSignalUnitRack* rack);
289	iliev	2226	LFOUnit(const LFOUnit& Unit);
290	iliev	2219	void operator=(const LFOUnit& Unit) { Copy(Unit); }
291
292			void Copy(const LFOUnit& Unit) {
293	iliev	2227	pLfoInfo = Unit.pLfoInfo;
294	iliev	2226	suFadeEG = Unit.suFadeEG;
295	iliev	2219
296			SfzSignalUnit::Copy(Unit);
297			}
298
299			virtual void Trigger();
300			virtual void Increment();
301			virtual float GetLevel() { return Level; }
302	iliev	2244
303			// CCSignalUnit::Listener interface implementation
304			virtual void ValueChanged(CCSignalUnit* pUnit);
305	iliev	2219	};
306	iliev	2218
307	iliev	2221	class LFOv1Unit: public LFOUnit {
308			public:
309			::sfz::LFO lfoInfo;
310	iliev	2223	LfoBase<LFOSigned> lfo;
311	iliev	2221
312	iliev	2223	LFOv1Unit(SfzSignalUnitRack* rack): LFOUnit(rack), lfo(1200.0f) {
313			pLfoInfo = &lfoInfo; pLFO = &lfo;
314			}
315	iliev	2221
316			virtual void Trigger();
317			};
318
319	iliev	2299	class LFOv2Unit: public LFOUnit, public EqUnitSupport {
320	iliev	2223	protected:
321			FixedArray<AbstractLfo*> lfos;
322			LfoBase<LFOSigned> lfo0; // triangle
323			LfoBase<SineLFO<range_signed> > lfo1; // sine
324			LfoBase<PulseLFO<range_unsigned, 750> > lfo2; // pulse 75%
325			LfoBase<SquareLFO<range_signed> > lfo3; // square
326			LfoBase<PulseLFO<range_unsigned, 250> > lfo4; // pulse 25%
327			LfoBase<PulseLFO<range_unsigned, 125> > lfo5; // pulse 12,5%
328			LfoBase<SawLFO<range_unsigned, true> > lfo6; // saw up
329			LfoBase<SawLFO<range_unsigned, false> > lfo7; // saw down
330
331
332	iliev	2219	public:
333	iliev	2233	SmoothCCUnit suVolOnCC;
334			SmoothCCUnit suPitchOnCC;
335			SmoothCCUnit suPanOnCC;
336			SmoothCCUnit suCutoffOnCC;
337			SmoothCCUnit suResOnCC;
338	iliev	2225
339	iliev	2223	LFOv2Unit(SfzSignalUnitRack* rack);
340	iliev	2219
341			virtual void Trigger();
342	iliev	2251	virtual bool Active() { return true; }
343	iliev	2219	};
344	iliev	2218
345	iliev	2221	class AmpLFOUnit: public LFOv1Unit {
346			public:
347			AmpLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
348
349			virtual void Trigger();
350			};
351	iliev	2219
352	iliev	2221	class PitchLFOUnit: public LFOv1Unit {
353			public:
354	iliev	2233	PitchLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
355	iliev	2221
356			virtual void Trigger();
357			};
358	iliev	2219
359	iliev	2221	class FilLFOUnit: public LFOv1Unit {
360			public:
361			FilLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
362
363			virtual void Trigger();
364			};
365
366
367	iliev	2224	class EndpointUnit: public EndpointSignalUnit {
368	iliev	2236	private:
369			float xfCoeff; // crossfade coefficient
370	iliev	2237	float pitchVeltrackRatio;
371	iliev	2236
372	iliev	2218	public:
373			Voice* pVoice;
374	iliev	2237	XFInCCUnit suXFInCC;
375			XFOutCCUnit suXFOutCC;
376			SmoothCCUnit suPanOnCC;
377	iliev	2218
378			EndpointUnit(SfzSignalUnitRack* rack);
379
380			virtual void Trigger();
381
382	iliev	2297	/**
383			* The endpoint should be active until the volume EG is active.
384			* This method determines the end of the voice playback.
385			*/
386	iliev	2218	virtual bool Active();
387
388			virtual float GetVolume();
389			virtual float GetFilterCutoff();
390			virtual float GetPitch();
391			virtual float GetResonance();
392	iliev	2219	virtual float GetPan();
393	iliev	2218
394			SfzSignalUnitRack* const GetRack();
395	iliev	2219
396			virtual float CalculateResonance(float res) {
397			return GetResonance() + res;
398			}
399	iliev	2235
400			virtual float CalculateFilterCutoff(float cutoff);
401	iliev	2297
402			float GetInfluence(::sfz::Array< ::sfz::optional<float> >& cc);
403			float GetInfluence(::sfz::Array< ::sfz::optional<int> >& cc);
404	iliev	2218	};
405
406
407	iliev	2299	class SfzSignalUnitRack : public SignalUnitRack, public EqUnitSupport {
408	iliev	2218	private:
409			EndpointUnit suEndpoint;
410	iliev	2229	AmpEGUnit suVolEG;
411	iliev	2222	FilEGUnit suFilEG;
412	iliev	2220	PitchEGUnit suPitchEG;
413	iliev	2218
414	iliev	2221	AmpLFOUnit suAmpLFO;
415			PitchLFOUnit suPitchLFO;
416			FilLFOUnit suFilLFO;
417
418	iliev	2230	// SFZ v2
419
420	iliev	2232	SmoothCCUnit suVolOnCC;
421	iliev	2264	SmoothCCUnit suPitchOnCC;
422	iliev	2252	SmoothCCUnit suCutoffOnCC;
423			SmoothCCUnit suResOnCC;
424	iliev	2230
425	iliev	2218	FixedArray<EGv2Unit*> EGs;
426
427			// used for optimization - contains only the ones that are modulating volume
428			FixedArray<EGv2Unit*> volEGs;
429
430			// used for optimization - contains only the ones that are modulating pitch
431			FixedArray<EGv2Unit*> pitchEGs;
432
433	iliev	2235	// used for optimization - contains only the ones that are modulating filter cutoff
434			FixedArray<EGv2Unit*> filEGs;
435	iliev	2219
436	iliev	2237	// used for optimization - contains only the ones that are modulating resonance
437	iliev	2235	FixedArray<EGv2Unit*> resEGs;
438
439	iliev	2299	// used for optimization - contains only the ones that are modulating pan
440	iliev	2237	FixedArray<EGv2Unit*> panEGs;
441	iliev	2235
442	iliev	2299	// used for optimization - contains only the ones that are modulating EQ
443			FixedArray<EGv2Unit*> eqEGs;
444	iliev	2237
445	iliev	2299
446	iliev	2219	FixedArray<LFOv2Unit*> LFOs;
447
448	iliev	2233	// used for optimization - contains only the ones that are modulating volume
449			FixedArray<LFOv2Unit*> volLFOs;
450
451	iliev	2225	// used for optimization - contains only the ones that are modulating pitch
452			FixedArray<LFOv2Unit*> pitchLFOs;
453
454	iliev	2219	// used for optimization - contains only the ones that are modulating filter cutoff
455			FixedArray<LFOv2Unit*> filLFOs;
456
457			// used for optimization - contains only the ones that are modulating resonance
458			FixedArray<LFOv2Unit*> resLFOs;
459
460			// used for optimization - contains only the ones that are modulating pan
461			FixedArray<LFOv2Unit*> panLFOs;
462
463	iliev	2299	// used for optimization - contains only the ones that are modulating EQ
464			FixedArray<LFOv2Unit*> eqLFOs;
465
466	iliev	2218
467			public:
468			Voice* const pVoice;
469
470			/**
471			* @param Voice The voice to which this rack belongs.
472			*/
473			SfzSignalUnitRack(Voice* voice);
474			~SfzSignalUnitRack();
475
476			virtual EndpointSignalUnit* GetEndpointUnit();
477
478			virtual void Trigger();
479			virtual void EnterFadeOutStage();
480	persson	2327	virtual void EnterFadeOutStage(int maxFadeOutSteps);
481	iliev	2218
482	iliev	2244	/** Called when the engine is set and the engine's pools are ready to use. */
483			void InitRTLists();
484
485			/** Invoked when the voice gone inactive. */
486			void Reset();
487	persson	2327
488			void CalculateFadeOutCoeff(float FadeOutTime, float SampleRate);
489	iliev	2244
490	iliev	2296	virtual void UpdateEqSettings(EqSupport* pEqSupport);
491
492	iliev	2218	friend class EndpointUnit;
493			};
494			}} // namespace LinuxSampler::sfz
495
496			#endif /* __LS_SFZSIGNALUNITRACK_H__ */
497