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(::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 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> {
        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 {
        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. */
            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;
            
            CCUnit suEq1GainOnCC;
            CCUnit suEq2GainOnCC;
            CCUnit suEq3GainOnCC;
            
            CCUnit suEq1FreqOnCC;
            CCUnit suEq2FreqOnCC;
            CCUnit suEq3FreqOnCC;
            
            CCUnit suEq1BwOnCC;
            CCUnit suEq2BwOnCC;
            CCUnit suEq3BwOnCC;
            
            // 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 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();
            
            /** 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();
            
            virtual void UpdateEqSettings(EqSupport* pEqSupport);
            
            friend class EndpointUnit;
    };
}} // namespace LinuxSampler::sfz

#endif  /* __LS_SFZSIGNALUNITRACK_H__ */

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