engines/sfz/sfz.h

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2008 Anders Dahnielson <anders@dahnielson.com>          *
 *   Copyright (C) 2009 - 2010 Anders Dahnielson and 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 LIBSFZ_SFZ_H
#define LIBSFZ_SFZ_H

#include <fstream>
#include <iostream>
#include <vector>
#include <string>
#include <stdexcept>

#include "../common/SampleFile.h"
#include "../common/SampleManager.h"
#include "../../common/ArrayList.h"

#define TRIGGER_ATTACK  ((unsigned char) (1 << 0)) // 0x01
#define TRIGGER_RELEASE ((unsigned char) (1 << 1)) // 0x02
#define TRIGGER_FIRST   ((unsigned char) (1 << 2)) // 0x04
#define TRIGGER_LEGATO  ((unsigned char) (1 << 3)) // 0x08

namespace sfz
{
    // Forward declarations
    class Articulation;
    class Region;
    class Group;
    class Instrument;
    class File;

    class Sample : public LinuxSampler::SampleFileBase<Region> {
        public:
            Sample(String File, bool DontClose = false) : LinuxSampler::SampleFileBase<Region>(File, DontClose) { }
            virtual ~Sample() { }
    };

    // Enumerations
    enum sw_vel_t    { VEL_CURRENT, VEL_PREVIOUS };
    enum off_mode_t  { OFF_FAST, OFF_NORMAL };
    enum loop_mode_t { NO_LOOP, ONE_SHOT, LOOP_CONTINUOUS, LOOP_SUSTAIN };
    enum curve_t     { GAIN, POWER };
    enum filter_t    { LPF_1P, HPF_1P, BPF_1P, BRF_1P, APF_1P,
                       LPF_2P, HPF_2P, BPF_2P, BRF_2P, PKF_2P,
                       LPF_4P, HPF_4P,
                       LPF_6P, HPF_6P };

    typedef unsigned char trigger_t;
    typedef unsigned char uint8_t;

    class SampleManager : public LinuxSampler::SampleManager<Sample, Region> {
    public:
        Sample* FindSample(std::string samplePath);

    protected:
        virtual void OnSampleInUse(Sample* pSample) {
            pSample->Open();
        }

        virtual void OnSampleInNotUse(Sample* pSample) {
            pSample->Close();
        }
    };

    /////////////////////////////////////////////////////////////
    // class Exception

    class Exception :
        public std::runtime_error
    {
        public:
        Exception(const std::string& msg) :
            runtime_error(msg)
        {
        }

        std::string Message()
        {
            return what();
        }

        void PrintMessage()
        {
            std::cerr << what() << std::endl << std::flush;
        }
    };

    /////////////////////////////////////////////////////////////
    // class optional

    //  Handy class nicked from LinuxSampler...
    //  Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck
    //  Copyright (C) 2005, 2006 Christian Schoenebeck

    class optional_base
    {
        public:
        class nothing_t { public: nothing_t() {} };
        static const nothing_t nothing;
    };

    template<class T>
    class optional :
        public optional_base
    {
        public:
        optional()
        {
            initialized = false;
        }

        optional(T data)
        {
            this->data  = data;
            initialized = true;
        }

        optional(nothing_t)
        {
            initialized = false;
        }

        template <class T_inner>
        optional(T_inner data)
        {
            this->data  = T(data);
            initialized = true;
        }

        const T& get() const throw (Exception)
        {
            if (!initialized) throw Exception("optional variable not initialized");
            return data;
        }

        T& get() throw (Exception)
        {
            if (!initialized) throw Exception("optional variable not initialized");
            return data;
        }

        void unset()
        {
            initialized = false;
        }

        optional& operator =(const optional& arg) throw (Exception)
        {
            if (!arg.initialized) {
                            initialized = false;
                        } else {
                            this->data  = arg.data;
                            initialized = true;
                        }
            return *this;
        }

        optional& operator =(const T& arg)
        {
            this->data  = arg;
            initialized = true;
            return *this;
        }

        const T& operator *() const throw (Exception) { return get(); }
        T&       operator *()       throw (Exception) { return get(); }

        const T* operator ->() const throw (Exception)
        {
            if (!initialized) throw Exception("optional variable not initialized");
            return &data;
        }

        T* operator ->() throw (Exception)
        {
            if (!initialized) throw Exception("optional variable not initialized");
            return &data;
        }

        operator bool()   const { return initialized; }
        bool operator !() const { return !initialized; }

        protected:
        T    data;
        bool initialized;
    };

    /////////////////////////////////////////////////////////////
    // class Articulation

    // Articulation containing all performance parameters for synthesis
    class Articulation
    {
    public:
        Articulation();
        virtual ~Articulation();
    };

    class EGNode
    {
    public:
        float time;
        float level;
        float shape;
        float curve;
        EGNode();
    };

    class EG
    {
    public:
        LinuxSampler::ArrayList<EGNode> node;
        int sustain;
        int loop;
        int loop_count;
        float amplitude;
        float cutoff;
        EG();
    };

    /////////////////////////////////////////////////////////////
    // class Definition

    // Base definition used by groups and regions
    class Definition
    {
    public:
        Definition();
        virtual ~Definition();

        // sample definition
        std::string sample;

        // input controls
        int   lochan;    int   hichan;
        int   lokey;     int   hikey;
        int   lovel;     int   hivel;
        std::vector<int> locc; std::vector<int> hicc;
        int   lobend;    int   hibend;
        int   lobpm;     int   hibpm;
        int   lochanaft; int   hichanaft;
        int   lopolyaft; int   hipolyaft;
        int   loprog;    int   hiprog;
        float lorand;    float hirand;
        float lotimer;   float hitimer;

        int seq_length;
        int seq_position;

        std::vector<int> start_locc; std::vector<int> start_hicc;
        std::vector<int> stop_locc;  std::vector<int> stop_hicc;

        int sw_lokey;    int sw_hikey;
        int sw_last;
        int sw_down;
        int sw_up;
        int sw_previous;
        sw_vel_t sw_vel;

        trigger_t trigger;

        uint group;
        optional<int> off_by;
        off_mode_t off_mode;

        std::vector<int> on_locc; std::vector<int> on_hicc;

        // sample player
        optional<int> count;
        optional<float> delay; optional<float> delay_random; std::vector<optional<float> > delay_oncc;
        optional<int> delay_beats; optional<int> stop_beats;
        optional<int> delay_samples; std::vector<optional<int> > delay_samples_oncc;
        optional<int> end;
        optional<float> loop_crossfade;
        optional<int> offset; optional<int> offset_random; std::vector<optional<int> > offset_oncc;
        loop_mode_t loop_mode;
        optional<int> loop_start; optional<int> loop_end;
        optional<int> sync_beats;
        optional<int> sync_offset;

        // amplifier
        float volume;
        float pan;
        float width;
        float position;
        float amp_keytrack; int amp_keycenter; float amp_veltrack; std::vector<float> amp_velcurve_; float amp_random;
        float rt_decay;
        std::vector<float> gain_oncc;
        int xfin_lokey; int xfin_hikey;
        int xfout_lokey; int xfout_hikey;
        curve_t xf_keycurve;
        int xfin_lovel; int xfin_hivel;
        int xfout_lovel; int xfout_hivel;
        curve_t xf_velcurve;
        std::vector<int> xfin_locc; std::vector<int> xfin_hicc;
        std::vector<int> xfout_locc; std::vector<int> xfout_hicc;
        curve_t xf_cccurve;

        // pitch
        int transpose;
        int tune;
        int pitch_keycenter; int pitch_keytrack; int pitch_veltrack; int pitch_random;
        int bend_up; int bend_down; int bend_step;

        // filter
        filter_t fil_type; filter_t fil2_type;
        optional<float> cutoff; optional<float> cutoff2;
        std::vector<int> cutoff_oncc; std::vector<int> cutoff2_oncc;
        std::vector<int> cutoff_smoothcc; std::vector<int> cutoff2_smoothcc;
        std::vector<int> cutoff_stepcc; std::vector<int> cutoff2_stepcc;
        std::vector<int> cutoff_curvecc; std::vector<int> cutoff2_curvecc;
        int cutoff_chanaft; int cutoff2_chanaft;
        int cutoff_polyaft; int cutoff2_polyaft;
        float resonance; float resonance2;
        std::vector<int> resonance_oncc; std::vector<int> resonance2_oncc;
        std::vector<int> resonance_smoothcc; std::vector<int> resonance2_smoothcc;
        std::vector<int> resonance_stepcc; std::vector<int> resonance2_stepcc;
        std::vector<int> resonance_curvecc; std::vector<int> resonance2_curvecc;
        int fil_keytrack; int fil2_keytrack;
        int fil_keycenter; int fil2_keycenter;
        int fil_veltrack; int fil2_veltrack;
        int fil_random; int fil2_random;

        // per voice equalizer
        float eq1_freq; float eq2_freq; float eq3_freq;
        std::vector<float> eq1_freq_oncc; std::vector<float> eq2_freq_oncc; std::vector<float> eq3_freq_oncc;
        float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq;
        float eq1_bw; float eq2_bw; float eq3_bw;
        std::vector<float> eq1_bw_oncc; std::vector<float> eq2_bw_oncc; std::vector<float> eq3_bw_oncc;
        float eq1_gain; float eq2_gain; float eq3_gain;
        std::vector<float> eq1_gain_oncc; std::vector<float> eq2_gain_oncc; std::vector<float> eq3_gain_oncc;
        float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain;

        //Deprecated (from version 1)
        float ampeg_delay, ampeg_start, ampeg_attack, ampeg_hold, ampeg_decay, ampeg_sustain, ampeg_release;
        float fileg_delay, fileg_start, fileg_attack, fileg_hold, fileg_decay, fileg_sustain, fileg_release;
        float pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold, pitcheg_decay, pitcheg_sustain, pitcheg_release;

        // envelope generators
        LinuxSampler::ArrayList<EG> eg;
    };

    /////////////////////////////////////////////////////////////
    // class Region

    /// Defines Region information of an Instrument
    class Region :
        public Definition
    {
    public:
        Region();
        virtual ~Region();

        Sample* pSample;
        Sample* GetSample(bool create = true);
        void DestroySampleIfNotUsed();

        Region*      GetParent() { return this; }; // needed by EngineBase
        Instrument*  GetInstrument() { return pInstrument; }
        void         SetInstrument(Instrument* pInstrument) { this->pInstrument = pInstrument; }

        bool HasLoop();
        uint GetLoopStart();
        uint GetLoopEnd();
        uint GetLoopCount();

        /// Return true if region is triggered by key
        bool OnKey(uint8_t chan, uint8_t key, uint8_t vel,
               int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft,
               uint8_t prog, float rand, trigger_t trig, uint8_t* cc,
               float timer, uint8_t seq, bool* sw, uint8_t last_sw_key, uint8_t prev_sw_key);

        /// Return true if region is triggered by control change
        bool OnControl(uint8_t chan, uint8_t cont, uint8_t val,
                   int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft,
                   uint8_t prog, float rand, trigger_t trig, uint8_t* cc,
                   float timer, uint8_t seq, bool* sw, uint8_t last_sw_key, uint8_t prev_sw_key);

        /// Return an articulation for the current state
         Articulation* GetArticulation(int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft, uint8_t* cc);

        // unique region id
        int id;

    private:
        Instrument* pInstrument;
    };

    /////////////////////////////////////////////////////////////
    // class Instrument

    /// Provides all neccessary information for the synthesis of an Instrument
    class Instrument : public SampleManager
    {
    public:
        Instrument(std::string name = "Unknown", SampleManager* pSampleManager = NULL);
        virtual ~Instrument();

        std::string GetName() { return name; }
        SampleManager* GetSampleManager() { return pSampleManager; }

        /**
         * @returns All regions that are triggered by key
         */
        std::vector<Region*> GetRegionsOnKey (
            uint8_t chan, uint8_t key, uint8_t vel,
            int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft,
            uint8_t prog, float rand, trigger_t trig, uint8_t* cc,
            float timer, uint8_t seq, bool* sw, uint8_t last_sw_key, uint8_t prev_sw_key
        );

        bool DestroyRegion(Region* pRegion);
        bool HasKeyBinding(uint8_t key);
        bool HasKeySwitchBinding(uint8_t key);

        /// List of Regions belonging to this Instrument
        std::vector<Region*> regions;

        friend class sfz::File;

    private:
        std::string name;
        std::vector<bool> KeyBindings;
        std::vector<bool> KeySwitchBindings;
        SampleManager* pSampleManager;
    };

    /////////////////////////////////////////////////////////////
    // class Group

    /// A Group act just as a template containing Region default values
    class Group :
        public Definition
    {
    public:
        Group();
        virtual ~Group();

        /// Reset Group to default values
        void Reset();

        /// Create a new Region
        Region* RegionFactory();

        // id counter
        int id;

    };

    /////////////////////////////////////////////////////////////
    // class File

    /// Parses SFZ files and provides abstract access to the data
    class File
    {
    public:
        /// Load an existing SFZ file
        File(std::string file, SampleManager* pSampleManager = NULL);
        virtual ~File();

        /// Returns a pointer to the instrument object
        Instrument* GetInstrument();

    private:
        void  push_header(std::string token);
        void  push_opcode(std::string token);
        int parseKey(const std::string& value);
        EG& eg(int x);
        EGNode& egnode(int x, int y);

        std::string currentDir;
        /// Pointer to the Instrument belonging to this file
        Instrument* _instrument;

        // state variables
        enum section_t { UNKNOWN, GROUP, REGION, CONTROL };
        section_t _current_section;
        Region* _current_region;
        Group* _current_group;
        Definition* pCurDef;

        // control header directives
        std::string default_path;
        int octave_offset;
        int note_offset;
    };

} // !namespace sfz

#endif // !LIBSFZ_SFZ_H
1	iliev	2012	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	persson	2055	* Copyright (C) 2008 Anders Dahnielson <anders@dahnielson.com> *
6			* Copyright (C) 2009 - 2010 Anders Dahnielson and Grigor Iliev *
7	iliev	2012	* *
8			* This program is free software; you can redistribute it and/or modify *
9			* it under the terms of the GNU General Public License as published by *
10			* the Free Software Foundation; either version 2 of the License, or *
11			* (at your option) any later version. *
12			* *
13			* This program is distributed in the hope that it will be useful, *
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
15			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16			* GNU General Public License for more details. *
17			* *
18			* You should have received a copy of the GNU General Public License *
19			* along with this program; if not, write to the Free Software *
20			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21			* MA 02111-1307 USA *
22			***************************************************************************/
23
24			#ifndef LIBSFZ_SFZ_H
25			#define LIBSFZ_SFZ_H
26
27			#include <fstream>
28			#include <iostream>
29			#include <vector>
30			#include <string>
31			#include <stdexcept>
32
33			#include "../common/SampleFile.h"
34			#include "../common/SampleManager.h"
35	persson	2055	#include "../../common/ArrayList.h"
36	iliev	2012
37			#define TRIGGER_ATTACK ((unsigned char) (1 << 0)) // 0x01
38			#define TRIGGER_RELEASE ((unsigned char) (1 << 1)) // 0x02
39			#define TRIGGER_FIRST ((unsigned char) (1 << 2)) // 0x04
40			#define TRIGGER_LEGATO ((unsigned char) (1 << 3)) // 0x08
41
42	persson	2055	namespace sfz
43	iliev	2012	{
44			// Forward declarations
45			class Articulation;
46			class Region;
47			class Group;
48			class Instrument;
49			class File;
50	persson	2055
51	iliev	2021	class Sample : public LinuxSampler::SampleFileBase<Region> {
52			public:
53			Sample(String File, bool DontClose = false) : LinuxSampler::SampleFileBase<Region>(File, DontClose) { }
54			virtual ~Sample() { }
55			};
56	iliev	2012
57			// Enumerations
58			enum sw_vel_t { VEL_CURRENT, VEL_PREVIOUS };
59			enum off_mode_t { OFF_FAST, OFF_NORMAL };
60	iliev	2021	enum loop_mode_t { NO_LOOP, ONE_SHOT, LOOP_CONTINUOUS, LOOP_SUSTAIN };
61	iliev	2012	enum curve_t { GAIN, POWER };
62			enum filter_t { LPF_1P, HPF_1P, BPF_1P, BRF_1P, APF_1P,
63			LPF_2P, HPF_2P, BPF_2P, BRF_2P, PKF_2P,
64			LPF_4P, HPF_4P,
65			LPF_6P, HPF_6P };
66
67			typedef unsigned char trigger_t;
68			typedef unsigned char uint8_t;
69
70	iliev	2021	class SampleManager : public LinuxSampler::SampleManager<Sample, Region> {
71	iliev	2012	public:
72	iliev	2021	Sample* FindSample(std::string samplePath);
73	iliev	2012
74			protected:
75	iliev	2021	virtual void OnSampleInUse(Sample* pSample) {
76	iliev	2012	pSample->Open();
77			}
78
79	iliev	2021	virtual void OnSampleInNotUse(Sample* pSample) {
80	iliev	2012	pSample->Close();
81			}
82			};
83
84			/////////////////////////////////////////////////////////////
85			// class Exception
86
87			class Exception :
88			public std::runtime_error
89			{
90			public:
91			Exception(const std::string& msg) :
92			runtime_error(msg)
93			{
94			}
95
96			std::string Message()
97			{
98			return what();
99			}
100
101			void PrintMessage()
102			{
103			std::cerr << what() << std::endl << std::flush;
104			}
105			};
106
107			/////////////////////////////////////////////////////////////
108			// class optional
109
110			// Handy class nicked from LinuxSampler...
111			// Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck
112			// Copyright (C) 2005, 2006 Christian Schoenebeck
113
114			class optional_base
115			{
116			public:
117			class nothing_t { public: nothing_t() {} };
118			static const nothing_t nothing;
119			};
120
121			template<class T>
122			class optional :
123			public optional_base
124			{
125			public:
126			optional()
127			{
128			initialized = false;
129			}
130
131			optional(T data)
132			{
133			this->data = data;
134			initialized = true;
135			}
136
137			optional(nothing_t)
138			{
139			initialized = false;
140			}
141
142			template <class T_inner>
143			optional(T_inner data)
144			{
145			this->data = T(data);
146			initialized = true;
147			}
148
149			const T& get() const throw (Exception)
150			{
151			if (!initialized) throw Exception("optional variable not initialized");
152			return data;
153			}
154
155			T& get() throw (Exception)
156			{
157			if (!initialized) throw Exception("optional variable not initialized");
158			return data;
159			}
160
161			void unset()
162			{
163			initialized = false;
164			}
165
166			optional& operator =(const optional& arg) throw (Exception)
167			{
168			if (!arg.initialized) {
169			initialized = false;
170			} else {
171			this->data = arg.data;
172			initialized = true;
173			}
174			return *this;
175			}
176
177			optional& operator =(const T& arg)
178			{
179			this->data = arg;
180			initialized = true;
181			return *this;
182			}
183
184			const T& operator *() const throw (Exception) { return get(); }
185			T& operator *() throw (Exception) { return get(); }
186
187			const T* operator ->() const throw (Exception)
188			{
189			if (!initialized) throw Exception("optional variable not initialized");
190			return &data;
191			}
192
193			T* operator ->() throw (Exception)
194			{
195			if (!initialized) throw Exception("optional variable not initialized");
196			return &data;
197			}
198
199			operator bool() const { return initialized; }
200			bool operator !() const { return !initialized; }
201
202			protected:
203			T data;
204			bool initialized;
205			};
206
207			/////////////////////////////////////////////////////////////
208			// class Articulation
209
210			// Articulation containing all performance parameters for synthesis
211			class Articulation
212			{
213			public:
214			Articulation();
215			virtual ~Articulation();
216			};
217
218	persson	2055	class EGNode
219			{
220			public:
221			float time;
222			float level;
223			float shape;
224			float curve;
225			EGNode();
226			};
227
228			class EG
229			{
230			public:
231			LinuxSampler::ArrayList<EGNode> node;
232			int sustain;
233			int loop;
234			int loop_count;
235			float amplitude;
236			float cutoff;
237			EG();
238			};
239
240	iliev	2012	/////////////////////////////////////////////////////////////
241			// class Definition
242
243			// Base definition used by groups and regions
244			class Definition
245			{
246			public:
247			Definition();
248			virtual ~Definition();
249
250			// sample definition
251			std::string sample;
252
253			// input controls
254			int lochan; int hichan;
255			int lokey; int hikey;
256			int lovel; int hivel;
257			std::vector<int> locc; std::vector<int> hicc;
258			int lobend; int hibend;
259			int lobpm; int hibpm;
260			int lochanaft; int hichanaft;
261			int lopolyaft; int hipolyaft;
262			int loprog; int hiprog;
263			float lorand; float hirand;
264			float lotimer; float hitimer;
265
266			int seq_length;
267			int seq_position;
268
269			std::vector<int> start_locc; std::vector<int> start_hicc;
270			std::vector<int> stop_locc; std::vector<int> stop_hicc;
271
272			int sw_lokey; int sw_hikey;
273			int sw_last;
274			int sw_down;
275			int sw_up;
276			int sw_previous;
277			sw_vel_t sw_vel;
278
279			trigger_t trigger;
280
281	iliev	2027	uint group;
282	iliev	2012	optional<int> off_by;
283			off_mode_t off_mode;
284
285			std::vector<int> on_locc; std::vector<int> on_hicc;
286
287			// sample player
288			optional<int> count;
289			optional<float> delay; optional<float> delay_random; std::vector<optional<float> > delay_oncc;
290			optional<int> delay_beats; optional<int> stop_beats;
291			optional<int> delay_samples; std::vector<optional<int> > delay_samples_oncc;
292			optional<int> end;
293			optional<float> loop_crossfade;
294			optional<int> offset; optional<int> offset_random; std::vector<optional<int> > offset_oncc;
295			loop_mode_t loop_mode;
296			optional<int> loop_start; optional<int> loop_end;
297			optional<int> sync_beats;
298			optional<int> sync_offset;
299
300			// amplifier
301			float volume;
302			float pan;
303			float width;
304			float position;
305			float amp_keytrack; int amp_keycenter; float amp_veltrack; std::vector<float> amp_velcurve_; float amp_random;
306			float rt_decay;
307			std::vector<float> gain_oncc;
308			int xfin_lokey; int xfin_hikey;
309			int xfout_lokey; int xfout_hikey;
310			curve_t xf_keycurve;
311			int xfin_lovel; int xfin_hivel;
312			int xfout_lovel; int xfout_hivel;
313			curve_t xf_velcurve;
314			std::vector<int> xfin_locc; std::vector<int> xfin_hicc;
315			std::vector<int> xfout_locc; std::vector<int> xfout_hicc;
316			curve_t xf_cccurve;
317
318			// pitch
319			int transpose;
320			int tune;
321			int pitch_keycenter; int pitch_keytrack; int pitch_veltrack; int pitch_random;
322			int bend_up; int bend_down; int bend_step;
323
324			// filter
325			filter_t fil_type; filter_t fil2_type;
326			optional<float> cutoff; optional<float> cutoff2;
327			std::vector<int> cutoff_oncc; std::vector<int> cutoff2_oncc;
328			std::vector<int> cutoff_smoothcc; std::vector<int> cutoff2_smoothcc;
329			std::vector<int> cutoff_stepcc; std::vector<int> cutoff2_stepcc;
330			std::vector<int> cutoff_curvecc; std::vector<int> cutoff2_curvecc;
331			int cutoff_chanaft; int cutoff2_chanaft;
332			int cutoff_polyaft; int cutoff2_polyaft;
333			float resonance; float resonance2;
334			std::vector<int> resonance_oncc; std::vector<int> resonance2_oncc;
335			std::vector<int> resonance_smoothcc; std::vector<int> resonance2_smoothcc;
336			std::vector<int> resonance_stepcc; std::vector<int> resonance2_stepcc;
337			std::vector<int> resonance_curvecc; std::vector<int> resonance2_curvecc;
338			int fil_keytrack; int fil2_keytrack;
339			int fil_keycenter; int fil2_keycenter;
340			int fil_veltrack; int fil2_veltrack;
341			int fil_random; int fil2_random;
342
343			// per voice equalizer
344			float eq1_freq; float eq2_freq; float eq3_freq;
345			std::vector<float> eq1_freq_oncc; std::vector<float> eq2_freq_oncc; std::vector<float> eq3_freq_oncc;
346			float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq;
347			float eq1_bw; float eq2_bw; float eq3_bw;
348			std::vector<float> eq1_bw_oncc; std::vector<float> eq2_bw_oncc; std::vector<float> eq3_bw_oncc;
349			float eq1_gain; float eq2_gain; float eq3_gain;
350			std::vector<float> eq1_gain_oncc; std::vector<float> eq2_gain_oncc; std::vector<float> eq3_gain_oncc;
351			float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain;
352	iliev	2018
353			//Deprecated (from version 1)
354			float ampeg_delay, ampeg_start, ampeg_attack, ampeg_hold, ampeg_decay, ampeg_sustain, ampeg_release;
355			float fileg_delay, fileg_start, fileg_attack, fileg_hold, fileg_decay, fileg_sustain, fileg_release;
356			float pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold, pitcheg_decay, pitcheg_sustain, pitcheg_release;
357	persson	2055
358			// envelope generators
359			LinuxSampler::ArrayList<EG> eg;
360	iliev	2012	};
361
362			/////////////////////////////////////////////////////////////
363			// class Region
364
365			/// Defines Region information of an Instrument
366			class Region :
367			public Definition
368			{
369			public:
370			Region();
371			virtual ~Region();
372
373	iliev	2021	Sample* pSample;
374			Sample* GetSample(bool create = true);
375	iliev	2012	void DestroySampleIfNotUsed();
376
377			Region* GetParent() { return this; }; // needed by EngineBase
378			Instrument* GetInstrument() { return pInstrument; }
379			void SetInstrument(Instrument* pInstrument) { this->pInstrument = pInstrument; }
380
381	iliev	2021	bool HasLoop();
382			uint GetLoopStart();
383			uint GetLoopEnd();
384			uint GetLoopCount();
385
386	iliev	2012	/// Return true if region is triggered by key
387			bool OnKey(uint8_t chan, uint8_t key, uint8_t vel,
388			int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft,
389			uint8_t prog, float rand, trigger_t trig, uint8_t* cc,
390			float timer, uint8_t seq, bool* sw, uint8_t last_sw_key, uint8_t prev_sw_key);
391
392			/// Return true if region is triggered by control change
393			bool OnControl(uint8_t chan, uint8_t cont, uint8_t val,
394			int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft,
395			uint8_t prog, float rand, trigger_t trig, uint8_t* cc,
396			float timer, uint8_t seq, bool* sw, uint8_t last_sw_key, uint8_t prev_sw_key);
397
398			/// Return an articulation for the current state
399			Articulation* GetArticulation(int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft, uint8_t* cc);
400
401			// unique region id
402			int id;
403
404			private:
405			Instrument* pInstrument;
406			};
407
408			/////////////////////////////////////////////////////////////
409			// class Instrument
410
411			/// Provides all neccessary information for the synthesis of an Instrument
412			class Instrument : public SampleManager
413			{
414			public:
415			Instrument(std::string name = "Unknown", SampleManager* pSampleManager = NULL);
416			virtual ~Instrument();
417
418			std::string GetName() { return name; }
419			SampleManager* GetSampleManager() { return pSampleManager; }
420
421			/**
422			* @returns All regions that are triggered by key
423			*/
424			std::vector<Region*> GetRegionsOnKey (
425			uint8_t chan, uint8_t key, uint8_t vel,
426			int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft,
427			uint8_t prog, float rand, trigger_t trig, uint8_t* cc,
428			float timer, uint8_t seq, bool* sw, uint8_t last_sw_key, uint8_t prev_sw_key
429			);
430
431			bool DestroyRegion(Region* pRegion);
432			bool HasKeyBinding(uint8_t key);
433			bool HasKeySwitchBinding(uint8_t key);
434
435			/// List of Regions belonging to this Instrument
436			std::vector<Region*> regions;
437
438			friend class sfz::File;
439
440			private:
441			std::string name;
442			std::vector<bool> KeyBindings;
443			std::vector<bool> KeySwitchBindings;
444			SampleManager* pSampleManager;
445			};
446
447			/////////////////////////////////////////////////////////////
448			// class Group
449
450			/// A Group act just as a template containing Region default values
451			class Group :
452			public Definition
453			{
454			public:
455			Group();
456			virtual ~Group();
457
458			/// Reset Group to default values
459			void Reset();
460
461			/// Create a new Region
462			Region* RegionFactory();
463
464			// id counter
465			int id;
466
467			};
468
469			/////////////////////////////////////////////////////////////
470			// class File
471
472			/// Parses SFZ files and provides abstract access to the data
473			class File
474			{
475			public:
476			/// Load an existing SFZ file
477			File(std::string file, SampleManager* pSampleManager = NULL);
478			virtual ~File();
479
480			/// Returns a pointer to the instrument object
481			Instrument* GetInstrument();
482
483			private:
484			void push_header(std::string token);
485			void push_opcode(std::string token);
486	persson	2058	int parseKey(const std::string& value);
487	persson	2055	EG& eg(int x);
488			EGNode& egnode(int x, int y);
489	iliev	2012
490			std::string currentDir;
491			/// Pointer to the Instrument belonging to this file
492			Instrument* _instrument;
493
494			// state variables
495			enum section_t { UNKNOWN, GROUP, REGION, CONTROL };
496			section_t _current_section;
497			Region* _current_region;
498			Group* _current_group;
499			Definition* pCurDef;
500
501			// control header directives
502			std::string default_path;
503			int octave_offset;
504			int note_offset;
505			};
506
507			} // !namespace sfz
508
509			#endif // !LIBSFZ_SFZ_H