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/LFOAll.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, LFO::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::updateByMIDICtrlValue(ExtControlValue); }
            
            virtual void Trigger (
                float Frequency, LFO::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<LFOTriangleSigned> 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<LFOTriangleSigned>                   lfo0; // triangle
            LfoBase<LFOSineSigned>                       lfo1; // sine
            LfoBase<LFOPulse<LFO::range_unsigned, 750> > lfo2; // pulse 75%
            LfoBase<LFOSquareSigned>                     lfo3; // square
            LfoBase<LFOPulse<LFO::range_unsigned,250>>   lfo4; // pulse 25%
            LfoBase<LFOPulse<LFO::range_unsigned,125>>   lfo5; // pulse 12,5%
            LfoBase<SawUpLFO<LFO::range_unsigned>>       lfo6; // saw up
            LfoBase<SawDownLFO<LFO::range_unsigned>>     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< optional<float> >& cc);
            float  GetInfluence(::sfz::Array< 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	schoenebeck	3614	#include "../common/LFOAll.h"
31	iliev	2218
32			namespace LinuxSampler { namespace sfz {
33	iliev	2238	const int MaxUnitCount = 200;
34			const int maxEgCount = 30; // Maximum number of v2 envelope generators
35			const int maxLfoCount = 30; // Maximum number of v2 LFOs
36	iliev	2218
37			class Voice;
38			class SfzSignalUnitRack;
39
40			class SfzSignalUnit: public SignalUnit {
41			public:
42			Voice* pVoice;
43
44			SfzSignalUnit(SfzSignalUnitRack* rack);
45			SfzSignalUnit(const SfzSignalUnit& Unit): SignalUnit(Unit.pRack) { Copy(Unit); }
46
47			void Copy(const SfzSignalUnit& Unit) {
48			pVoice = Unit.pVoice;
49
50			SignalUnit::Copy(Unit);
51			}
52
53			double GetSampleRate();
54	iliev	2229	float GetInfluence(ArrayList< ::sfz::CC>& cc);
55	iliev	2218	};
56
57	iliev	2224
58			class CCUnit: public CCSignalUnit {
59			public:
60			Voice* pVoice;
61
62	iliev	2227	CCUnit(SfzSignalUnitRack* rack, Listener* l = NULL);
63	iliev	2224
64			virtual void Trigger();
65
66			void SetCCs(::sfz::Array<int>& pCC);
67	iliev	2296	void SetCCs(::sfz::Array<float>& pCC);
68	iliev	2225	void SetCCs(ArrayList< ::sfz::CC>& cc);
69	iliev	2230
70	iliev	2264	virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth, float Step);
71	iliev	2232
72	iliev	2248	int GetCurveCount();
73			::sfz::Curve* GetCurve(int idx);
74	iliev	2232
75			double GetSampleRate();
76	iliev	2224	};
77
78	iliev	2230	class CurveCCUnit: public CCUnit {
79			public:
80			CurveCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
81
82	iliev	2232	virtual float Normalize(uint8_t val, short int curve = -1) {
83			if (curve == -1) return val / 127.0f;
84			return GetCurve(curve)->v[val];
85	iliev	2230	}
86			};
87	iliev	2224
88	iliev	2230
89	iliev	2232
90			class SmoothCCUnit: public CurveCCUnit {
91			protected:
92	iliev	2244	RTList<Smoother>* pSmoothers;
93	iliev	2232	public:
94	iliev	2244	SmoothCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CurveCCUnit(rack, l), pSmoothers(NULL) { }
95			virtual ~SmoothCCUnit();
96	iliev	2232
97	iliev	2264	virtual void AddSmoothCC(uint8_t Controller, float Influence, short int Curve, float Smooth, float Step);
98	iliev	2244	virtual void RemoveAllCCs() { CurveCCUnit::RemoveAllCCs(); pSmoothers->clear(); }
99			virtual void InitCCList(Pool<CC>* pCCPool, Pool<Smoother>* pSmootherPool);
100	iliev	2238
101	iliev	2244	void InitSmoothers(Pool<Smoother>* pSmootherPool);
102	iliev	2232	};
103
104
105	iliev	2299	class EqUnitSupport {
106			public:
107			EqUnitSupport(SfzSignalUnitRack* pRack, Voice* pVoice = NULL);
108
109			SmoothCCUnit suEq1GainOnCC;
110			SmoothCCUnit suEq2GainOnCC;
111			SmoothCCUnit suEq3GainOnCC;
112
113			SmoothCCUnit suEq1FreqOnCC;
114			SmoothCCUnit suEq2FreqOnCC;
115			SmoothCCUnit suEq3FreqOnCC;
116
117			SmoothCCUnit suEq1BwOnCC;
118			SmoothCCUnit suEq2BwOnCC;
119			SmoothCCUnit suEq3BwOnCC;
120
121			void SetVoice(Voice* pVoice);
122			void ImportUnits(SfzSignalUnitRack* pRack);
123			void ResetUnits();
124			void InitCCLists(Pool<CCSignalUnit::CC>* pCCPool, Pool<Smoother>* pSmootherPool);
125			};
126
127
128	iliev	2236	class XFInCCUnit: public CCUnit {
129			public:
130			XFInCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): CCUnit(rack, l) { }
131
132	iliev	2244	virtual bool Active() { return !pCtrls->isEmpty(); }
133	iliev	2236	virtual void Calculate();
134			virtual void SetCrossFadeCCs(::sfz::Array<int>& loCCs, ::sfz::Array<int>& hiCCs);
135			};
136
137
138			class XFOutCCUnit: public XFInCCUnit {
139			public:
140			XFOutCCUnit(SfzSignalUnitRack* rack, Listener* l = NULL): XFInCCUnit(rack, l) { }
141
142			virtual void Calculate();
143			};
144
145
146	iliev	2218	template <class T>
147	iliev	2219	class EGUnit: public SfzSignalUnit {
148	iliev	2218	public:
149			::sfz::EG* pEGInfo;
150			T EG;
151
152			EGUnit(SfzSignalUnitRack* rack): SfzSignalUnit(rack), pEGInfo(NULL) { }
153	iliev	2219	EGUnit(const EGUnit& Unit): SfzSignalUnit(Unit) { Copy(Unit); }
154	iliev	2218	void operator=(const EGUnit& Unit) { Copy(Unit); }
155
156			void Copy(const EGUnit& Unit) {
157			pEGInfo = Unit.pEGInfo;
158
159			SfzSignalUnit::Copy(Unit);
160			}
161
162			virtual bool Active() { return EG.active(); }
163	iliev	2220	virtual float GetLevel() { return DelayStage() ? 0 : EG.getLevel(); }
164	iliev	2218
165			virtual void EnterReleaseStage() { EG.update(EG::event_release, GetSampleRate()); }
166			virtual void CancelRelease() { EG.update(EG::event_cancel_release, GetSampleRate()); }
167
168			virtual void Increment() {
169			if (DelayStage()) return;
170
171			SfzSignalUnit::Increment();
172			if (!EG.active()) return;
173
174			switch (EG.getSegmentType()) {
175			case EG::segment_lin:
176			EG.processLin();
177			break;
178			case EG::segment_exp:
179			EG.processExp();
180			break;
181			case EG::segment_end:
182			EG.getLevel();
183			break; // noop
184			case EG::segment_pow:
185			EG.processPow();
186			break;
187			}
188
189			if (EG.active()) {
190			EG.increment(1);
191			if (!EG.toStageEndLeft()) EG.update(EG::event_stage_end, GetSampleRate());
192			}
193			}
194			};
195
196			class EGv1Unit: public EGUnit<EGADSR> {
197			public:
198	iliev	2220	int depth;
199			EGv1Unit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack), depth(0) { }
200	iliev	2218	};
201
202	iliev	2299	class EGv2Unit: public EGUnit< ::LinuxSampler::sfz::EG>, public EqUnitSupport {
203	iliev	2229	protected:
204			::sfz::EG egInfo;
205	iliev	2218	public:
206	iliev	2235	CCUnit suAmpOnCC;
207			CCUnit suVolOnCC;
208			CCUnit suPitchOnCC;
209			CCUnit suCutoffOnCC;
210			CCUnit suResOnCC;
211	iliev	2237	CurveCCUnit suPanOnCC;
212	iliev	2235
213			EGv2Unit(SfzSignalUnitRack* rack);
214	iliev	2218	virtual void Trigger();
215			};
216
217	iliev	2220	class PitchEGUnit: public EGv1Unit {
218			public:
219			PitchEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
220			virtual void Trigger();
221			};
222
223	iliev	2222	class FilEGUnit: public EGv1Unit {
224			public:
225			FilEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
226			virtual void Trigger();
227			};
228
229	iliev	2229	class AmpEGUnit: public EGv1Unit {
230			public:
231			AmpEGUnit(SfzSignalUnitRack* rack): EGv1Unit(rack) { }
232			virtual void Trigger();
233			};
234
235	iliev	2223	class AbstractLfo {
236			public:
237			virtual float Render() = 0;
238			virtual void Update(const uint16_t& ExtControlValue) = 0;
239	schoenebeck	3612	virtual void Trigger(float Frequency, LFO::start_level_t StartLevel, uint16_t InternalDepth, uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate) = 0;
240	iliev	2225	virtual void SetPhase(float phase) = 0;
241	iliev	2227	virtual void SetFrequency(float Frequency, unsigned int SampleRate) = 0;
242	iliev	2223	};
243
244			template <class T>
245			class LfoBase: public AbstractLfo, public T {
246			public:
247			LfoBase(float Max): T(Max) { }
248			virtual float Render() { return T::render(); }
249
250	schoenebeck	3118	virtual void Update(const uint16_t& ExtControlValue) { T::updateByMIDICtrlValue(ExtControlValue); }
251	iliev	2223
252			virtual void Trigger (
253	schoenebeck	3612	float Frequency, LFO::start_level_t StartLevel, uint16_t InternalDepth,
254	iliev	2223	uint16_t ExtControlDepth, bool FlipPhase, unsigned int SampleRate
255			) {
256			T::trigger(Frequency, StartLevel, InternalDepth, ExtControlDepth, FlipPhase, SampleRate);
257			}
258	iliev	2225
259			virtual void SetPhase(float phase) { T::setPhase(phase); }
260	iliev	2227
261			virtual void SetFrequency(float Frequency, unsigned int SampleRate) {
262			T::setFrequency(Frequency, SampleRate);
263			}
264	iliev	2223	};
265
266	iliev	2226	class LFOUnit;
267
268			class FadeEGUnit: public EGUnit<EGADSR> {
269			public:
270			FadeEGUnit(SfzSignalUnitRack* rack): EGUnit<EGADSR>(rack) { }
271			virtual void Trigger() { }
272			virtual void EnterReleaseStage() { }
273			virtual void CancelRelease() { }
274
275			friend class LFOUnit;
276			};
277
278	iliev	2227	class LFOUnit: public SfzSignalUnit, public CCSignalUnit::Listener {
279	iliev	2219	public:
280	iliev	2226	::sfz::LFO* pLfoInfo;
281	iliev	2223	AbstractLfo* pLFO;
282	iliev	2226	FadeEGUnit suFadeEG;
283	iliev	2233	SmoothCCUnit suDepthOnCC;
284			SmoothCCUnit suFreqOnCC;
285	iliev	2219
286	iliev	2227	LFOUnit(SfzSignalUnitRack* rack);
287	iliev	2226	LFOUnit(const LFOUnit& Unit);
288	iliev	2219	void operator=(const LFOUnit& Unit) { Copy(Unit); }
289
290			void Copy(const LFOUnit& Unit) {
291	iliev	2227	pLfoInfo = Unit.pLfoInfo;
292	iliev	2226	suFadeEG = Unit.suFadeEG;
293	iliev	2219
294			SfzSignalUnit::Copy(Unit);
295			}
296
297			virtual void Trigger();
298			virtual void Increment();
299			virtual float GetLevel() { return Level; }
300	iliev	2244
301			// CCSignalUnit::Listener interface implementation
302			virtual void ValueChanged(CCSignalUnit* pUnit);
303	iliev	2219	};
304	iliev	2218
305	iliev	2221	class LFOv1Unit: public LFOUnit {
306			public:
307			::sfz::LFO lfoInfo;
308	schoenebeck	3614	LfoBase<LFOTriangleSigned> lfo;
309	iliev	2221
310	iliev	2223	LFOv1Unit(SfzSignalUnitRack* rack): LFOUnit(rack), lfo(1200.0f) {
311			pLfoInfo = &lfoInfo; pLFO = &lfo;
312			}
313	iliev	2221
314			virtual void Trigger();
315			};
316
317	iliev	2299	class LFOv2Unit: public LFOUnit, public EqUnitSupport {
318	iliev	2223	protected:
319			FixedArray<AbstractLfo*> lfos;
320	schoenebeck	3614	LfoBase<LFOTriangleSigned> lfo0; // triangle
321			LfoBase<LFOSineSigned> lfo1; // sine
322			LfoBase<LFOPulse<LFO::range_unsigned, 750> > lfo2; // pulse 75%
323			LfoBase<LFOSquareSigned> lfo3; // square
324			LfoBase<LFOPulse<LFO::range_unsigned,250>> lfo4; // pulse 25%
325			LfoBase<LFOPulse<LFO::range_unsigned,125>> lfo5; // pulse 12,5%
326			LfoBase<SawUpLFO<LFO::range_unsigned>> lfo6; // saw up
327			LfoBase<SawDownLFO<LFO::range_unsigned>> lfo7; // saw down
328	iliev	2223
329
330	iliev	2219	public:
331	iliev	2233	SmoothCCUnit suVolOnCC;
332			SmoothCCUnit suPitchOnCC;
333			SmoothCCUnit suPanOnCC;
334			SmoothCCUnit suCutoffOnCC;
335			SmoothCCUnit suResOnCC;
336	iliev	2225
337	iliev	2223	LFOv2Unit(SfzSignalUnitRack* rack);
338	iliev	2219
339			virtual void Trigger();
340	iliev	2251	virtual bool Active() { return true; }
341	iliev	2219	};
342	iliev	2218
343	iliev	2221	class AmpLFOUnit: public LFOv1Unit {
344			public:
345			AmpLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
346
347			virtual void Trigger();
348			};
349	iliev	2219
350	iliev	2221	class PitchLFOUnit: public LFOv1Unit {
351			public:
352	iliev	2233	PitchLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
353	iliev	2221
354			virtual void Trigger();
355			};
356	iliev	2219
357	iliev	2221	class FilLFOUnit: public LFOv1Unit {
358			public:
359			FilLFOUnit(SfzSignalUnitRack* rack): LFOv1Unit(rack) { }
360
361			virtual void Trigger();
362			};
363
364
365	iliev	2224	class EndpointUnit: public EndpointSignalUnit {
366	iliev	2236	private:
367			float xfCoeff; // crossfade coefficient
368	iliev	2237	float pitchVeltrackRatio;
369	iliev	2236
370	iliev	2218	public:
371			Voice* pVoice;
372	iliev	2237	XFInCCUnit suXFInCC;
373			XFOutCCUnit suXFOutCC;
374			SmoothCCUnit suPanOnCC;
375	iliev	2218
376			EndpointUnit(SfzSignalUnitRack* rack);
377
378			virtual void Trigger();
379
380	iliev	2297	/**
381			* The endpoint should be active until the volume EG is active.
382			* This method determines the end of the voice playback.
383			*/
384	iliev	2218	virtual bool Active();
385
386			virtual float GetVolume();
387			virtual float GetFilterCutoff();
388			virtual float GetPitch();
389			virtual float GetResonance();
390	iliev	2219	virtual float GetPan();
391	iliev	2218
392			SfzSignalUnitRack* const GetRack();
393	iliev	2219
394			virtual float CalculateResonance(float res) {
395			return GetResonance() + res;
396			}
397	iliev	2235
398			virtual float CalculateFilterCutoff(float cutoff);
399	iliev	2297
400	schoenebeck	3082	float GetInfluence(::sfz::Array< optional<float> >& cc);
401			float GetInfluence(::sfz::Array< optional<int> >& cc);
402	iliev	2218	};
403
404
405	iliev	2299	class SfzSignalUnitRack : public SignalUnitRack, public EqUnitSupport {
406	iliev	2218	private:
407			EndpointUnit suEndpoint;
408	iliev	2229	AmpEGUnit suVolEG;
409	iliev	2222	FilEGUnit suFilEG;
410	iliev	2220	PitchEGUnit suPitchEG;
411	iliev	2218
412	iliev	2221	AmpLFOUnit suAmpLFO;
413			PitchLFOUnit suPitchLFO;
414			FilLFOUnit suFilLFO;
415
416	iliev	2230	// SFZ v2
417
418	iliev	2232	SmoothCCUnit suVolOnCC;
419	iliev	2264	SmoothCCUnit suPitchOnCC;
420	iliev	2252	SmoothCCUnit suCutoffOnCC;
421			SmoothCCUnit suResOnCC;
422	iliev	2230
423	iliev	2218	FixedArray<EGv2Unit*> EGs;
424
425			// used for optimization - contains only the ones that are modulating volume
426			FixedArray<EGv2Unit*> volEGs;
427
428			// used for optimization - contains only the ones that are modulating pitch
429			FixedArray<EGv2Unit*> pitchEGs;
430
431	iliev	2235	// used for optimization - contains only the ones that are modulating filter cutoff
432			FixedArray<EGv2Unit*> filEGs;
433	iliev	2219
434	iliev	2237	// used for optimization - contains only the ones that are modulating resonance
435	iliev	2235	FixedArray<EGv2Unit*> resEGs;
436
437	iliev	2299	// used for optimization - contains only the ones that are modulating pan
438	iliev	2237	FixedArray<EGv2Unit*> panEGs;
439	iliev	2235
440	iliev	2299	// used for optimization - contains only the ones that are modulating EQ
441			FixedArray<EGv2Unit*> eqEGs;
442	iliev	2237
443	iliev	2299
444	iliev	2219	FixedArray<LFOv2Unit*> LFOs;
445
446	iliev	2233	// used for optimization - contains only the ones that are modulating volume
447			FixedArray<LFOv2Unit*> volLFOs;
448
449	iliev	2225	// used for optimization - contains only the ones that are modulating pitch
450			FixedArray<LFOv2Unit*> pitchLFOs;
451
452	iliev	2219	// used for optimization - contains only the ones that are modulating filter cutoff
453			FixedArray<LFOv2Unit*> filLFOs;
454
455			// used for optimization - contains only the ones that are modulating resonance
456			FixedArray<LFOv2Unit*> resLFOs;
457
458			// used for optimization - contains only the ones that are modulating pan
459			FixedArray<LFOv2Unit*> panLFOs;
460
461	iliev	2299	// used for optimization - contains only the ones that are modulating EQ
462			FixedArray<LFOv2Unit*> eqLFOs;
463
464	iliev	2218
465			public:
466			Voice* const pVoice;
467
468			/**
469			* @param Voice The voice to which this rack belongs.
470			*/
471			SfzSignalUnitRack(Voice* voice);
472			~SfzSignalUnitRack();
473
474			virtual EndpointSignalUnit* GetEndpointUnit();
475
476			virtual void Trigger();
477			virtual void EnterFadeOutStage();
478	persson	2327	virtual void EnterFadeOutStage(int maxFadeOutSteps);
479	iliev	2218
480	iliev	2244	/** Called when the engine is set and the engine's pools are ready to use. */
481			void InitRTLists();
482
483			/** Invoked when the voice gone inactive. */
484			void Reset();
485	persson	2327
486			void CalculateFadeOutCoeff(float FadeOutTime, float SampleRate);
487	iliev	2244
488	iliev	2296	virtual void UpdateEqSettings(EqSupport* pEqSupport);
489
490	iliev	2218	friend class EndpointUnit;
491			};
492			}} // namespace LinuxSampler::sfz
493
494			#endif /* __LS_SFZSIGNALUNITRACK_H__ */
495