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iliev |
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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2008 Anders Dahnielson <anders@dahnielson.com> * |
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* Copyright (C) 2009 - 2011 Anders Dahnielson and Grigor Iliev * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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#ifndef LIBSFZ_SFZ_H |
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#define LIBSFZ_SFZ_H |
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#include <fstream> |
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#include <iostream> |
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#include <vector> |
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#include <string> |
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#include <stdexcept> |
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#include "../common/SampleFile.h" |
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#include "../common/SampleManager.h" |
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#include "../../common/ArrayList.h" |
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#define TRIGGER_ATTACK ((unsigned char) (1 << 0)) // 0x01 |
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#define TRIGGER_RELEASE ((unsigned char) (1 << 1)) // 0x02 |
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#define TRIGGER_FIRST ((unsigned char) (1 << 2)) // 0x04 |
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#define TRIGGER_LEGATO ((unsigned char) (1 << 3)) // 0x08 |
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namespace sfz |
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{ |
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// Forward declarations |
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class Articulation; |
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class Region; |
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class Group; |
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class Instrument; |
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class File; |
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class LookupTable; |
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|
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class Sample : public LinuxSampler::SampleFileBase<Region> { |
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public: |
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Sample(String File, bool DontClose = false, uint offset = 0): LinuxSampler::SampleFileBase<Region>(File, DontClose) { |
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Offset = offset; |
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} |
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virtual ~Sample() { } |
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}; |
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|
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// Enumerations |
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enum sw_vel_t { VEL_CURRENT, VEL_PREVIOUS }; |
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enum off_mode_t { OFF_FAST, OFF_NORMAL }; |
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enum loop_mode_t { NO_LOOP, ONE_SHOT, LOOP_CONTINUOUS, LOOP_SUSTAIN, LOOP_UNSET }; |
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enum curve_t { GAIN, POWER }; |
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enum filter_t { LPF_1P, HPF_1P, BPF_1P, BRF_1P, APF_1P, |
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LPF_2P, HPF_2P, BPF_2P, BRF_2P, PKF_2P, |
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LPF_4P, HPF_4P, |
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LPF_6P, HPF_6P }; |
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typedef unsigned char trigger_t; |
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typedef unsigned char uint8_t; |
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class SampleManager : public LinuxSampler::SampleManager<Sample, Region> { |
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public: |
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Sample* FindSample(std::string samplePath, int offset); |
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protected: |
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virtual void OnSampleInUse(Sample* pSample) { |
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pSample->Open(); |
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} |
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virtual void OnSampleInNotUse(Sample* pSample) { |
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pSample->Close(); |
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} |
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}; |
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///////////////////////////////////////////////////////////// |
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// class Exception |
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class Exception : |
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public std::runtime_error |
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{ |
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public: |
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Exception(const std::string& msg) : |
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runtime_error(msg) |
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{ |
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} |
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std::string Message() |
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{ |
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return what(); |
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} |
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void PrintMessage() |
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{ |
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std::cerr << what() << std::endl << std::flush; |
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} |
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}; |
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///////////////////////////////////////////////////////////// |
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// class optional |
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// Handy class nicked from LinuxSampler... |
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// Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck |
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// Copyright (C) 2005, 2006 Christian Schoenebeck |
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class optional_base |
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{ |
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public: |
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class nothing_t { public: nothing_t() {} }; |
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static const nothing_t nothing; |
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}; |
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template<class T> |
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class optional : |
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public optional_base |
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{ |
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public: |
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optional() |
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{ |
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initialized = false; |
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} |
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optional(T data) |
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{ |
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this->data = data; |
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initialized = true; |
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} |
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optional(nothing_t) |
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{ |
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initialized = false; |
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} |
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template <class T_inner> |
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optional(T_inner data) |
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{ |
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this->data = T(data); |
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initialized = true; |
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} |
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const T& get() const throw (Exception) |
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{ |
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if (!initialized) throw Exception("optional variable not initialized"); |
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return data; |
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} |
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T& get() throw (Exception) |
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{ |
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if (!initialized) throw Exception("optional variable not initialized"); |
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return data; |
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} |
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void unset() |
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{ |
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initialized = false; |
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} |
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optional& operator =(const optional& arg) throw (Exception) |
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{ |
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if (!arg.initialized) { |
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initialized = false; |
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} else { |
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this->data = arg.data; |
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initialized = true; |
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} |
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return *this; |
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} |
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optional& operator =(const T& arg) |
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{ |
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this->data = arg; |
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initialized = true; |
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return *this; |
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} |
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const T& operator *() const throw (Exception) { return get(); } |
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T& operator *() throw (Exception) { return get(); } |
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const T* operator ->() const throw (Exception) |
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{ |
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if (!initialized) throw Exception("optional variable not initialized"); |
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return &data; |
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} |
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T* operator ->() throw (Exception) |
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{ |
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if (!initialized) throw Exception("optional variable not initialized"); |
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return &data; |
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} |
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operator bool() const { return initialized; } |
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bool operator !() const { return !initialized; } |
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protected: |
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T data; |
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bool initialized; |
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}; |
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///////////////////////////////////////////////////////////// |
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// class Articulation |
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// Articulation containing all performance parameters for synthesis |
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class Articulation |
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{ |
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public: |
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Articulation(); |
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virtual ~Articulation(); |
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}; |
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class EGNode |
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{ |
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public: |
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float time; |
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float level; |
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float shape; |
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float curve; |
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EGNode(); |
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}; |
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class EG |
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{ |
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public: |
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LinuxSampler::ArrayList<EGNode> node; |
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int sustain; |
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int loop; |
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int loop_count; |
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float amplitude; |
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float cutoff; |
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EG(); |
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}; |
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iliev |
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class LFO |
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{ |
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public: |
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float freq; // 0 to 20 Hz |
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uint wave; // 0 to 4294967296 |
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float delay; // 0 to 100 seconds |
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int pitch; // -9600 to 9600 cents |
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int cutoff; // -9600 to 9600 cents |
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float resonance; // 0 to 40 dB |
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float pan; // -100 to 100 % |
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LFO(); |
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}; |
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// Fixed size array with copy-on-write semantics |
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template<class T> |
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class Array |
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{ |
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private: |
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struct Rep { |
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int refcount; |
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T a[128]; |
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Rep() : refcount(1) { } |
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static void release(Rep* rep) { |
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if (!--rep->refcount) delete rep; |
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} |
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} *ptr; |
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public: |
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Array() : ptr(0) { } |
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~Array() { Rep::release(ptr); } |
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Array& operator=(const Array& array) { |
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if (this != &array) { |
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ptr = array.ptr; |
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if (ptr) ptr->refcount++; |
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} |
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return *this; |
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} |
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const T& operator[](int i) const { return ptr->a[i]; } |
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void set(int i, const T& v) { |
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if (!ptr) { |
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ptr = new Rep; |
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} else if (ptr->refcount > 1 && ptr->a[i] != v) { |
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Rep* newptr = new Rep(*ptr); |
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newptr->refcount = 1; |
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Rep::release(ptr); |
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ptr = newptr; |
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} |
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ptr->a[i] = v; |
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} |
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}; |
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iliev |
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///////////////////////////////////////////////////////////// |
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// class Definition |
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// Base definition used by groups and regions |
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class Definition |
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{ |
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public: |
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Definition(); |
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virtual ~Definition(); |
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// sample definition |
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std::string sample; |
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// input controls |
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int lochan; int hichan; |
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int lokey; int hikey; |
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int lovel; int hivel; |
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Array<int> locc; Array<int> hicc; |
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int lobend; int hibend; |
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float lobpm; float hibpm; |
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iliev |
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int lochanaft; int hichanaft; |
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int lopolyaft; int hipolyaft; |
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int loprog; int hiprog; |
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float lorand; float hirand; |
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float lotimer; float hitimer; |
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int seq_length; |
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int seq_position; |
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persson |
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Array<int> start_locc; Array<int> start_hicc; |
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Array<int> stop_locc; Array<int> stop_hicc; |
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int sw_lokey; int sw_hikey; |
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int sw_last; |
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int sw_down; |
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int sw_up; |
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int sw_previous; |
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sw_vel_t sw_vel; |
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trigger_t trigger; |
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iliev |
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uint group; |
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persson |
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uint off_by; |
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iliev |
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off_mode_t off_mode; |
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persson |
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Array<int> on_locc; Array<int> on_hicc; |
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iliev |
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// sample player |
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optional<int> count; |
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persson |
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optional<float> delay; optional<float> delay_random; Array<optional<float> > delay_oncc; |
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iliev |
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optional<int> delay_beats; optional<int> stop_beats; |
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persson |
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optional<int> delay_samples; Array<optional<int> > delay_samples_oncc; |
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iliev |
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optional<int> end; |
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optional<float> loop_crossfade; |
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persson |
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optional<int> offset; optional<int> offset_random; Array<optional<int> > offset_oncc; |
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loop_mode_t loop_mode; |
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optional<int> loop_start; optional<int> loop_end; |
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optional<int> sync_beats; |
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optional<int> sync_offset; |
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// amplifier |
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float volume; |
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float pan; |
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float width; |
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float position; |
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persson |
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float amp_keytrack; int amp_keycenter; float amp_veltrack; Array<float> amp_velcurve; float amp_random; |
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iliev |
2012 |
float rt_decay; |
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persson |
2091 |
Array<float> gain_oncc; |
365 |
iliev |
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int xfin_lokey; int xfin_hikey; |
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int xfout_lokey; int xfout_hikey; |
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curve_t xf_keycurve; |
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int xfin_lovel; int xfin_hivel; |
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int xfout_lovel; int xfout_hivel; |
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curve_t xf_velcurve; |
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persson |
2091 |
Array<int> xfin_locc; Array<int> xfin_hicc; |
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Array<int> xfout_locc; Array<int> xfout_hicc; |
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iliev |
2012 |
curve_t xf_cccurve; |
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// pitch |
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int transpose; |
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int tune; |
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int pitch_keycenter; int pitch_keytrack; int pitch_veltrack; int pitch_random; |
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int bend_up; int bend_down; int bend_step; |
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// filter |
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filter_t fil_type; filter_t fil2_type; |
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optional<float> cutoff; optional<float> cutoff2; |
384 |
persson |
2091 |
Array<int> cutoff_oncc; Array<int> cutoff2_oncc; |
385 |
persson |
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int cutoff_cc; // TODO: this is just a temporary fix to avoid |
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// looping through the cutoff_oncc array |
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persson |
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Array<int> cutoff_smoothcc; Array<int> cutoff2_smoothcc; |
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Array<int> cutoff_stepcc; Array<int> cutoff2_stepcc; |
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Array<int> cutoff_curvecc; Array<int> cutoff2_curvecc; |
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iliev |
2012 |
int cutoff_chanaft; int cutoff2_chanaft; |
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int cutoff_polyaft; int cutoff2_polyaft; |
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float resonance; float resonance2; |
393 |
persson |
2091 |
Array<int> resonance_oncc; Array<int> resonance2_oncc; |
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Array<int> resonance_smoothcc; Array<int> resonance2_smoothcc; |
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Array<int> resonance_stepcc; Array<int> resonance2_stepcc; |
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Array<int> resonance_curvecc; Array<int> resonance2_curvecc; |
397 |
iliev |
2012 |
int fil_keytrack; int fil2_keytrack; |
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int fil_keycenter; int fil2_keycenter; |
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int fil_veltrack; int fil2_veltrack; |
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int fil_random; int fil2_random; |
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402 |
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// per voice equalizer |
403 |
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float eq1_freq; float eq2_freq; float eq3_freq; |
404 |
persson |
2091 |
Array<float> eq1_freq_oncc; Array<float> eq2_freq_oncc; Array<float> eq3_freq_oncc; |
405 |
iliev |
2012 |
float eq1_vel2freq; float eq2_vel2freq; float eq3_vel2freq; |
406 |
|
|
float eq1_bw; float eq2_bw; float eq3_bw; |
407 |
persson |
2091 |
Array<float> eq1_bw_oncc; Array<float> eq2_bw_oncc; Array<float> eq3_bw_oncc; |
408 |
iliev |
2012 |
float eq1_gain; float eq2_gain; float eq3_gain; |
409 |
persson |
2091 |
Array<float> eq1_gain_oncc; Array<float> eq2_gain_oncc; Array<float> eq3_gain_oncc; |
410 |
iliev |
2012 |
float eq1_vel2gain; float eq2_vel2gain; float eq3_vel2gain; |
411 |
iliev |
2018 |
|
412 |
|
|
//Deprecated (from version 1) |
413 |
|
|
float ampeg_delay, ampeg_start, ampeg_attack, ampeg_hold, ampeg_decay, ampeg_sustain, ampeg_release; |
414 |
persson |
2176 |
float ampeg_vel2delay, ampeg_vel2attack, ampeg_vel2hold, ampeg_vel2decay, ampeg_vel2sustain, ampeg_vel2release; |
415 |
iliev |
2018 |
float fileg_delay, fileg_start, fileg_attack, fileg_hold, fileg_decay, fileg_sustain, fileg_release; |
416 |
|
|
float pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold, pitcheg_decay, pitcheg_sustain, pitcheg_release; |
417 |
iliev |
2220 |
float pitcheg_vel2delay, pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay, pitcheg_vel2sustain, pitcheg_vel2release; |
418 |
|
|
int pitcheg_depth; |
419 |
persson |
2072 |
float amplfo_delay, amplfo_fade, amplfo_freq, amplfo_depth; |
420 |
|
|
float fillfo_delay, fillfo_fade, fillfo_freq, fillfo_depth; |
421 |
|
|
float pitchlfo_delay, pitchlfo_fade, pitchlfo_freq; |
422 |
|
|
int pitchlfo_depth; |
423 |
persson |
2055 |
|
424 |
|
|
// envelope generators |
425 |
|
|
LinuxSampler::ArrayList<EG> eg; |
426 |
iliev |
2218 |
|
427 |
|
|
// low frequency oscillators |
428 |
|
|
LinuxSampler::ArrayList<LFO> lfos; |
429 |
iliev |
2012 |
}; |
430 |
|
|
|
431 |
persson |
2101 |
class Query { |
432 |
|
|
public: |
433 |
|
|
uint8_t chan; // MIDI channel |
434 |
persson |
2115 |
uint8_t key; // MIDI note |
435 |
persson |
2101 |
uint8_t vel; // MIDI velocity |
436 |
|
|
int bend; // MIDI pitch bend |
437 |
|
|
uint8_t bpm; // host BPM |
438 |
|
|
uint8_t chanaft; // MIDI channel pressure |
439 |
|
|
uint8_t polyaft; // MIDI polyphonic aftertouch |
440 |
|
|
uint8_t prog; // MIDI program change |
441 |
|
|
float rand; // generated random number |
442 |
|
|
trigger_t trig; // how it was triggered |
443 |
|
|
uint8_t* cc; // all 128 CC values |
444 |
|
|
float timer; // time since previous region in the group was triggered |
445 |
|
|
bool* sw; // state of region key switches, 128 possible values |
446 |
|
|
uint8_t last_sw_key; // last key pressed in the key switch range |
447 |
|
|
uint8_t prev_sw_key; // previous note value |
448 |
persson |
2106 |
|
449 |
|
|
void search(const Instrument* pInstrument); |
450 |
persson |
2115 |
void search(const Instrument* pInstrument, int triggercc); |
451 |
persson |
2106 |
Region* next(); |
452 |
persson |
2101 |
private: |
453 |
persson |
2106 |
LinuxSampler::ArrayList<Region*>* pRegionList; |
454 |
|
|
int regionIndex; |
455 |
persson |
2101 |
}; |
456 |
|
|
|
457 |
iliev |
2012 |
///////////////////////////////////////////////////////////// |
458 |
|
|
// class Region |
459 |
|
|
|
460 |
|
|
/// Defines Region information of an Instrument |
461 |
|
|
class Region : |
462 |
|
|
public Definition |
463 |
|
|
{ |
464 |
|
|
public: |
465 |
|
|
Region(); |
466 |
|
|
virtual ~Region(); |
467 |
|
|
|
468 |
iliev |
2021 |
Sample* pSample; |
469 |
|
|
Sample* GetSample(bool create = true); |
470 |
iliev |
2012 |
void DestroySampleIfNotUsed(); |
471 |
|
|
|
472 |
|
|
Region* GetParent() { return this; }; // needed by EngineBase |
473 |
|
|
Instrument* GetInstrument() { return pInstrument; } |
474 |
|
|
void SetInstrument(Instrument* pInstrument) { this->pInstrument = pInstrument; } |
475 |
|
|
|
476 |
iliev |
2021 |
bool HasLoop(); |
477 |
|
|
uint GetLoopStart(); |
478 |
|
|
uint GetLoopEnd(); |
479 |
|
|
uint GetLoopCount(); |
480 |
|
|
|
481 |
persson |
2106 |
/// Return true if region is triggered by key. Region is |
482 |
|
|
/// assumed to come from a search in the lookup table. |
483 |
persson |
2101 |
bool OnKey(const Query& q); |
484 |
iliev |
2012 |
|
485 |
|
|
/// Return an articulation for the current state |
486 |
persson |
2101 |
Articulation* GetArticulation(int bend, uint8_t bpm, uint8_t chanaft, uint8_t polyaft, uint8_t* cc); |
487 |
iliev |
2012 |
|
488 |
|
|
// unique region id |
489 |
|
|
int id; |
490 |
|
|
|
491 |
|
|
private: |
492 |
|
|
Instrument* pInstrument; |
493 |
persson |
2072 |
int seq_counter; |
494 |
iliev |
2012 |
}; |
495 |
|
|
|
496 |
|
|
///////////////////////////////////////////////////////////// |
497 |
|
|
// class Instrument |
498 |
|
|
|
499 |
|
|
/// Provides all neccessary information for the synthesis of an Instrument |
500 |
|
|
class Instrument : public SampleManager |
501 |
|
|
{ |
502 |
|
|
public: |
503 |
|
|
Instrument(std::string name = "Unknown", SampleManager* pSampleManager = NULL); |
504 |
|
|
virtual ~Instrument(); |
505 |
|
|
|
506 |
|
|
std::string GetName() { return name; } |
507 |
|
|
SampleManager* GetSampleManager() { return pSampleManager; } |
508 |
|
|
|
509 |
|
|
bool DestroyRegion(Region* pRegion); |
510 |
|
|
bool HasKeyBinding(uint8_t key); |
511 |
|
|
bool HasKeySwitchBinding(uint8_t key); |
512 |
|
|
|
513 |
|
|
/// List of Regions belonging to this Instrument |
514 |
|
|
std::vector<Region*> regions; |
515 |
|
|
|
516 |
persson |
2106 |
friend class File; |
517 |
|
|
friend class Query; |
518 |
iliev |
2012 |
|
519 |
|
|
private: |
520 |
|
|
std::string name; |
521 |
|
|
std::vector<bool> KeyBindings; |
522 |
|
|
std::vector<bool> KeySwitchBindings; |
523 |
|
|
SampleManager* pSampleManager; |
524 |
persson |
2106 |
LookupTable* pLookupTable; |
525 |
persson |
2115 |
LookupTable* pLookupTableCC[128]; |
526 |
iliev |
2012 |
}; |
527 |
|
|
|
528 |
|
|
///////////////////////////////////////////////////////////// |
529 |
|
|
// class Group |
530 |
|
|
|
531 |
|
|
/// A Group act just as a template containing Region default values |
532 |
|
|
class Group : |
533 |
|
|
public Definition |
534 |
|
|
{ |
535 |
|
|
public: |
536 |
|
|
Group(); |
537 |
|
|
virtual ~Group(); |
538 |
|
|
|
539 |
|
|
/// Reset Group to default values |
540 |
|
|
void Reset(); |
541 |
|
|
|
542 |
|
|
/// Create a new Region |
543 |
|
|
Region* RegionFactory(); |
544 |
|
|
|
545 |
|
|
// id counter |
546 |
|
|
int id; |
547 |
|
|
|
548 |
|
|
}; |
549 |
|
|
|
550 |
|
|
///////////////////////////////////////////////////////////// |
551 |
|
|
// class File |
552 |
|
|
|
553 |
|
|
/// Parses SFZ files and provides abstract access to the data |
554 |
|
|
class File |
555 |
|
|
{ |
556 |
|
|
public: |
557 |
|
|
/// Load an existing SFZ file |
558 |
|
|
File(std::string file, SampleManager* pSampleManager = NULL); |
559 |
|
|
virtual ~File(); |
560 |
|
|
|
561 |
|
|
/// Returns a pointer to the instrument object |
562 |
|
|
Instrument* GetInstrument(); |
563 |
|
|
|
564 |
|
|
private: |
565 |
|
|
void push_header(std::string token); |
566 |
|
|
void push_opcode(std::string token); |
567 |
persson |
2058 |
int parseKey(const std::string& value); |
568 |
persson |
2055 |
EG& eg(int x); |
569 |
|
|
EGNode& egnode(int x, int y); |
570 |
iliev |
2218 |
LFO& lfo(int x); |
571 |
iliev |
2012 |
|
572 |
|
|
std::string currentDir; |
573 |
|
|
/// Pointer to the Instrument belonging to this file |
574 |
|
|
Instrument* _instrument; |
575 |
|
|
|
576 |
|
|
// state variables |
577 |
|
|
enum section_t { UNKNOWN, GROUP, REGION, CONTROL }; |
578 |
|
|
section_t _current_section; |
579 |
|
|
Region* _current_region; |
580 |
|
|
Group* _current_group; |
581 |
|
|
Definition* pCurDef; |
582 |
|
|
|
583 |
|
|
// control header directives |
584 |
|
|
std::string default_path; |
585 |
|
|
int octave_offset; |
586 |
|
|
int note_offset; |
587 |
|
|
}; |
588 |
|
|
|
589 |
|
|
} // !namespace sfz |
590 |
|
|
|
591 |
|
|
#endif // !LIBSFZ_SFZ_H |