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

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

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

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

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

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

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

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

            EndpointUnit(SF2SignalUnitRack* rack);

            virtual void Trigger() OVERRIDE;

            /** The endpoint should be active until the volume EG is active. */
            virtual bool Active() OVERRIDE;
            
            virtual float GetVolume() OVERRIDE;
            virtual float GetFilterCutoff() OVERRIDE;
            virtual float GetPitch() OVERRIDE;
            virtual float GetResonance() OVERRIDE;
            virtual float GetPan() OVERRIDE { return 0; }
            virtual uint8_t CalculatePan(int pan) OVERRIDE { 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() OVERRIDE;
            virtual void EnterFadeOutStage() OVERRIDE;
            virtual void EnterFadeOutStage(int maxFadeOutSteps) OVERRIDE;

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

#endif  /* __LS_SF2SIGNALUNITRACK_H__ */
1	iliev	2205	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	persson	2327	* Copyright (C) 2011 - 2012 Grigor Iliev *
6	iliev	2205	* *
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	iliev	2218	const int MaxUnitCount = 5;
32	iliev	2205
33			class Voice;
34	iliev	2217	class SF2SignalUnitRack;
35	iliev	2205
36	iliev	2217	class SFSignalUnit: public SignalUnit {
37	iliev	2205	public:
38	iliev	2217	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	schoenebeck	3102	virtual bool Active() OVERRIDE { return active(); }
48			virtual float GetLevel() OVERRIDE { return getLevel(); }
49			virtual void EnterReleaseStage() OVERRIDE;
50			virtual void CancelRelease() OVERRIDE;
51	iliev	2205	};
52
53			class VolEGUnit : public EGUnit {
54			public:
55	iliev	2217	VolEGUnit(SF2SignalUnitRack* rack): EGUnit(rack) { }
56
57	schoenebeck	3102	virtual void Trigger() OVERRIDE;
58			virtual void Increment() OVERRIDE;
59	iliev	2205	};
60
61			class ModEGUnit : public EGUnit {
62			public:
63	iliev	2217	ModEGUnit(SF2SignalUnitRack* rack): EGUnit(rack) { }
64
65	schoenebeck	3102	virtual void Trigger() OVERRIDE;
66			virtual void Increment() OVERRIDE;
67	iliev	2205	};
68
69	schoenebeck	3614	class ModLfoUnit : public SFSignalUnit, public LFOTriangleSigned {
70	iliev	2207	public:
71	schoenebeck	3614	ModLfoUnit(SF2SignalUnitRack* rack): SFSignalUnit(rack), LFOTriangleSigned(1200.0f) { }
72	schoenebeck	3102	virtual bool Active() OVERRIDE { return true; }
73			virtual void Trigger() OVERRIDE;
74			virtual void Increment() OVERRIDE;
75			virtual float GetLevel() OVERRIDE { return Level; }
76	iliev	2207	};
77
78	schoenebeck	3614	class VibLfoUnit : public SFSignalUnit, public LFOTriangleSigned {
79	iliev	2205	public:
80	schoenebeck	3614	VibLfoUnit(SF2SignalUnitRack* rack): SFSignalUnit(rack), LFOTriangleSigned(1200.0f) { }
81	schoenebeck	3102	virtual bool Active() OVERRIDE { return true; }
82			virtual void Trigger() OVERRIDE;
83			virtual void Increment() OVERRIDE;
84			virtual float GetLevel() OVERRIDE { return Level; }
85	iliev	2205	};
86
87	iliev	2217	class EndpointUnit : public EndpointSignalUnit {
88	iliev	2205	public:
89	iliev	2217	Voice* pVoice;
90
91	iliev	2207	Parameter prmVolEg, prmModEgPitch, prmModEgCutoff, prmModLfoVol,
92			prmModLfoPitch, prmModLfoCutoff, *prmVibLfo;
93	iliev	2205
94	iliev	2217	EndpointUnit(SF2SignalUnitRack* rack);
95	iliev	2207
96	schoenebeck	3101	virtual void Trigger() OVERRIDE;
97	iliev	2205
98			/** The endpoint should be active until the volume EG is active. */
99	schoenebeck	3101	virtual bool Active() OVERRIDE;
100	iliev	2205
101	schoenebeck	3101	virtual float GetVolume() OVERRIDE;
102			virtual float GetFilterCutoff() OVERRIDE;
103			virtual float GetPitch() OVERRIDE;
104			virtual float GetResonance() OVERRIDE;
105			virtual float GetPan() OVERRIDE { return 0; }
106			virtual uint8_t CalculatePan(int pan) OVERRIDE { return pan; }
107	iliev	2205	};
108
109	iliev	2217	class SF2SignalUnitRack : public SignalUnitRack {
110	iliev	2205	private:
111			VolEGUnit suVolEG;
112			ModEGUnit suModEG;
113	iliev	2207	ModLfoUnit suModLfo;
114	iliev	2205	VibLfoUnit suVibLfo;
115			EndpointUnit suEndpoint;
116
117
118			public:
119	iliev	2217	Voice* const pVoice;
120	iliev	2205
121			/**
122			* @param Voice The voice to which this rack belongs.
123			*/
124			SF2SignalUnitRack(Voice* Voice);
125
126	schoenebeck	3102	virtual EndpointSignalUnit* GetEndpointUnit() OVERRIDE;
127			virtual void EnterFadeOutStage() OVERRIDE;
128			virtual void EnterFadeOutStage(int maxFadeOutSteps) OVERRIDE;
129	persson	2327
130			void CalculateFadeOutCoeff(float FadeOutTime, float SampleRate);
131	iliev	2296
132	schoenebeck	3102	virtual void UpdateEqSettings(EqSupport* pEqSupport) OVERRIDE { }
133	iliev	2205	};
134
135			}} // namespace LinuxSampler::sf2
136
137			#endif /* __LS_SF2SIGNALUNITRACK_H__ */