engines/sf2/SF2SignalUnitRack.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_SF2SIGNALUNITRACK_H__
#define __LS_SF2SIGNALUNITRACK_H__

#include "../common/SignalUnitRack.h"
#include "../sfz/EGADSR.h"
#include "../common/AbstractVoice.h"

namespace LinuxSampler { namespace sf2 {
    const int MaxUnitCount = 5;
    
    class Voice;
    class SF2SignalUnitRack;
    
    class SFSignalUnit: public SignalUnit {
        public:
            Voice* pVoice;

            SFSignalUnit(SF2SignalUnitRack* rack);
    };
    
    class EGUnit : public SFSignalUnit, public ::LinuxSampler::sfz::EGADSR {
        public:
            EGUnit(SF2SignalUnitRack* rack): SFSignalUnit(rack) { }

            virtual bool  Active() { return active(); }
            virtual float GetLevel() { return getLevel(); }
            virtual void  EnterReleaseStage();
            virtual void  CancelRelease();
    };

    class VolEGUnit : public EGUnit {
        public:
            VolEGUnit(SF2SignalUnitRack* rack): EGUnit(rack) { }

            virtual void  Trigger();
            virtual void  Increment();
    };

    class ModEGUnit : public EGUnit {
        public:
            ModEGUnit(SF2SignalUnitRack* rack): EGUnit(rack) { }

            virtual void  Trigger();
            virtual void  Increment();
    };

    class ModLfoUnit : public SFSignalUnit, public LFOSigned {
        public:
            ModLfoUnit(SF2SignalUnitRack* rack): SFSignalUnit(rack), LFOSigned(1200.0f) { }
            virtual bool  Active() { return true; }
            virtual void  Trigger();
            virtual void  Increment();
            virtual float GetLevel() { return Level; }
    };

    class VibLfoUnit : public SFSignalUnit, public LFOSigned {
        public:
            VibLfoUnit(SF2SignalUnitRack* rack): SFSignalUnit(rack), LFOSigned(1200.0f) { }
            virtual bool  Active() { return true; }
            virtual void  Trigger();
            virtual void  Increment();
            virtual float GetLevel() { return Level; }
    };
    
    class EndpointUnit : public EndpointSignalUnit {
        public:
            Voice* pVoice;

            Parameter *prmVolEg, *prmModEgPitch, *prmModEgCutoff, *prmModLfoVol,
                      *prmModLfoPitch, *prmModLfoCutoff, *prmVibLfo;

            EndpointUnit(SF2SignalUnitRack* 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() { return 0; }
            virtual uint8_t CaluclatePan(uint8_t pan) { return pan; }
    };
    
    class SF2SignalUnitRack : public SignalUnitRack {
        private:
            VolEGUnit     suVolEG;
            ModEGUnit     suModEG;
            ModLfoUnit    suModLfo;
            VibLfoUnit    suVibLfo;
            EndpointUnit  suEndpoint;
            

        public:
            Voice* const pVoice;
        
            /**
             * @param Voice The voice to which this rack belongs.
             */
            SF2SignalUnitRack(Voice* Voice);

            virtual EndpointSignalUnit* GetEndpointUnit();
            virtual void EnterFadeOutStage();
            virtual void EnterFadeOutStage(int maxFadeOutSteps);

            void CalculateFadeOutCoeff(float FadeOutTime, float SampleRate);
            
            virtual void UpdateEqSettings(EqSupport* pEqSupport) { }
    };
    
}} // namespace LinuxSampler::sf2

#endif  /* __LS_SF2SIGNALUNITRACK_H__ */
1	/***************************************************************************
2	* *
3	* LinuxSampler - modular, streaming capable sampler *
4	* *
5	* Copyright (C) 2011 - 2012 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_SF2SIGNALUNITRACK_H__
24	#define __LS_SF2SIGNALUNITRACK_H__
25
26	#include "../common/SignalUnitRack.h"
27	#include "../sfz/EGADSR.h"
28	#include "../common/AbstractVoice.h"
29
30	namespace LinuxSampler { namespace sf2 {
31	const int MaxUnitCount = 5;
32
33	class Voice;
34	class SF2SignalUnitRack;
35
36	class SFSignalUnit: public SignalUnit {
37	public:
38	Voice* pVoice;
39
40	SFSignalUnit(SF2SignalUnitRack* rack);
41	};
42
43	class EGUnit : public SFSignalUnit, public ::LinuxSampler::sfz::EGADSR {
44	public:
45	EGUnit(SF2SignalUnitRack* rack): SFSignalUnit(rack) { }
46
47	virtual bool Active() { return active(); }
48	virtual float GetLevel() { return getLevel(); }
49	virtual void EnterReleaseStage();
50	virtual void CancelRelease();
51	};
52
53	class VolEGUnit : public EGUnit {
54	public:
55	VolEGUnit(SF2SignalUnitRack* rack): EGUnit(rack) { }
56
57	virtual void Trigger();
58	virtual void Increment();
59	};
60
61	class ModEGUnit : public EGUnit {
62	public:
63	ModEGUnit(SF2SignalUnitRack* rack): EGUnit(rack) { }
64
65	virtual void Trigger();
66	virtual void Increment();
67	};
68
69	class ModLfoUnit : public SFSignalUnit, public LFOSigned {
70	public:
71	ModLfoUnit(SF2SignalUnitRack* rack): SFSignalUnit(rack), LFOSigned(1200.0f) { }
72	virtual bool Active() { return true; }
73	virtual void Trigger();
74	virtual void Increment();
75	virtual float GetLevel() { return Level; }
76	};
77
78	class VibLfoUnit : public SFSignalUnit, public LFOSigned {
79	public:
80	VibLfoUnit(SF2SignalUnitRack* rack): SFSignalUnit(rack), LFOSigned(1200.0f) { }
81	virtual bool Active() { return true; }
82	virtual void Trigger();
83	virtual void Increment();
84	virtual float GetLevel() { return Level; }
85	};
86
87	class EndpointUnit : public EndpointSignalUnit {
88	public:
89	Voice* pVoice;
90
91	Parameter prmVolEg, prmModEgPitch, prmModEgCutoff, prmModLfoVol,
92	prmModLfoPitch, prmModLfoCutoff, *prmVibLfo;
93
94	EndpointUnit(SF2SignalUnitRack* rack);
95
96	virtual void Trigger();
97
98	/** The endpoint should be active until the volume EG is active. */
99	virtual bool Active();
100
101	virtual float GetVolume();
102	virtual float GetFilterCutoff();
103	virtual float GetPitch();
104	virtual float GetResonance();
105	virtual float GetPan() { return 0; }
106	virtual uint8_t CaluclatePan(uint8_t pan) { return pan; }
107	};
108
109	class SF2SignalUnitRack : public SignalUnitRack {
110	private:
111	VolEGUnit suVolEG;
112	ModEGUnit suModEG;
113	ModLfoUnit suModLfo;
114	VibLfoUnit suVibLfo;
115	EndpointUnit suEndpoint;
116
117
118	public:
119	Voice* const pVoice;
120
121	/**
122	* @param Voice The voice to which this rack belongs.
123	*/
124	SF2SignalUnitRack(Voice* Voice);
125
126	virtual EndpointSignalUnit* GetEndpointUnit();
127	virtual void EnterFadeOutStage();
128	virtual void EnterFadeOutStage(int maxFadeOutSteps);
129
130	void CalculateFadeOutCoeff(float FadeOutTime, float SampleRate);
131
132	virtual void UpdateEqSettings(EqSupport* pEqSupport) { }
133	};
134
135	}} // namespace LinuxSampler::sf2
136
137	#endif /* __LS_SF2SIGNALUNITRACK_H__ */