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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005-2009 Christian Schoenebeck * |
* Copyright (C) 2005-2008 Christian Schoenebeck * |
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* Copyright (C) 2009 Grigor Iliev * |
* Copyright (C) 2009-2010 Christian Schoenebeck and Grigor Iliev * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* 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 * |
* it under the terms of the GNU General Public License as published by * |
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***************************************************************************/ |
***************************************************************************/ |
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#ifndef __LS_ABSTRACTVOICE_H__ |
#ifndef __LS_ABSTRACTVOICE_H__ |
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#define __LS_ABSTRACTVOICE_H__ |
#define __LS_ABSTRACTVOICE_H__ |
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#include "Voice.h" |
#include "Voice.h" |
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#include "../AbstractEngineChannel.h" |
#include "../AbstractEngineChannel.h" |
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#include "../common/LFOBase.h" |
#include "../common/LFOBase.h" |
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#include "../EngineBase.h" |
#include "../EngineBase.h" |
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#include "EG.h" |
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#include "../gig/EGADSR.h" |
#include "../gig/EGADSR.h" |
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#include "../gig/EGDecay.h" |
#include "../gig/EGDecay.h" |
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#include "../gig/SmoothVolume.h" |
#include "../gig/SmoothVolume.h" |
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class AbstractVoice : public Voice { |
class AbstractVoice : public Voice { |
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public: |
public: |
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type_t Type; ///< Voice Type |
type_t Type; ///< Voice Type (bit field, a voice may have several types) |
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int MIDIKey; ///< MIDI key number of the key that triggered the voice |
int MIDIKey; ///< MIDI key number of the key that triggered the voice |
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uint KeyGroup; |
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AbstractVoice(); |
AbstractVoice(); |
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virtual ~AbstractVoice(); |
virtual ~AbstractVoice(); |
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void processPitchEvent(RTList<Event>::Iterator& itEvent); |
void processPitchEvent(RTList<Event>::Iterator& itEvent); |
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void processResonanceEvent(RTList<Event>::Iterator& itEvent); |
void processResonanceEvent(RTList<Event>::Iterator& itEvent); |
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void processTransitionEvents(RTList<Event>::Iterator& itEvent, uint End); |
void processTransitionEvents(RTList<Event>::Iterator& itEvent, uint End); |
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void processGroupEvents(RTList<Event>::Iterator& itEvent, uint End); |
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void UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent); |
void UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent); |
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void Kill(Pool<Event>::Iterator& itKillEvent); |
void Kill(Pool<Event>::Iterator& itKillEvent); |
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bool RAMLoop; ///< If this voice has a loop defined which completely fits into the cached RAM part of the sample, in this case we handle the looping within the voice class, else if the loop is located in the disk stream part, we let the disk stream handle the looping |
bool RAMLoop; ///< If this voice has a loop defined which completely fits into the cached RAM part of the sample, in this case we handle the looping within the voice class, else if the loop is located in the disk stream part, we let the disk stream handle the looping |
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unsigned long MaxRAMPos; ///< The upper allowed limit (not actually the end) in the RAM sample cache, after that point it's not safe to chase the interpolator another time over over the current cache position, instead we switch to disk then. |
unsigned long MaxRAMPos; ///< The upper allowed limit (not actually the end) in the RAM sample cache, after that point it's not safe to chase the interpolator another time over over the current cache position, instead we switch to disk then. |
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uint Delay; ///< Number of sample points the rendering process of this voice should be delayed (jitter correction), will be set to 0 after the first audio fragment cycle |
uint Delay; ///< Number of sample points the rendering process of this voice should be delayed (jitter correction), will be set to 0 after the first audio fragment cycle |
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gig::EGADSR EG1; ///< Envelope Generator 1 (Amplification) |
EG* pEG1; ///< Envelope Generator 1 (Amplification) |
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gig::EGADSR EG2; ///< Envelope Generator 2 (Filter cutoff frequency) |
gig::EGADSR EG2; ///< Envelope Generator 2 (Filter cutoff frequency) TODO: use common EG instead of gig |
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gig::EGDecay EG3; ///< Envelope Generator 3 (Pitch) |
gig::EGDecay EG3; ///< Envelope Generator 3 (Pitch) TODO: use common EG instead? |
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midi_ctrl VCFCutoffCtrl; |
midi_ctrl VCFCutoffCtrl; |
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midi_ctrl VCFResonanceCtrl; |
midi_ctrl VCFResonanceCtrl; |
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LFOUnsigned* pLFO1; ///< Low Frequency Oscillator 1 (Amplification) |
LFOUnsigned* pLFO1; ///< Low Frequency Oscillator 1 (Amplification) |
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float fFinalResonance; |
float fFinalResonance; |
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gig::SynthesisParam finalSynthesisParameters; |
gig::SynthesisParam finalSynthesisParameters; |
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gig::Loop loop; |
gig::Loop loop; |
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RTList<Event>* pGroupEvents; ///< Events directed to an exclusive group |
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virtual AbstractEngine* GetEngine() = 0; |
virtual AbstractEngine* GetEngine() = 0; |
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virtual SampleInfo GetSampleInfo() = 0; |
virtual SampleInfo GetSampleInfo() = 0; |
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virtual double CalculateVolume(double velocityAttenuation); |
virtual double CalculateVolume(double velocityAttenuation); |
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virtual float GetReleaseTriggerAttenuation(float noteLength); |
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/** |
/** |
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* Get starting crossfade volume level |
* Get starting crossfade volume level |
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*/ |
*/ |
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virtual PitchInfo CalculatePitchInfo(int PitchBend); |
virtual PitchInfo CalculatePitchInfo(int PitchBend); |
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// TODO: cleanup the interface. The following two methods |
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// are maybe not neccessary after the TriggerEG1 method |
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// was added. |
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/** |
/** |
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* Get current value of EG1 controller. |
* Get current value of EG1 controller. |
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*/ |
*/ |
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*/ |
*/ |
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virtual EGInfo CalculateEG1ControllerInfluence(double eg1ControllerValue) = 0; |
virtual EGInfo CalculateEG1ControllerInfluence(double eg1ControllerValue) = 0; |
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// TODO: cleanup the interface. The velrelase and |
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// velocityAttenuation parameters are perhaps too gig |
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// specific. |
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/** |
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* Trigger the amplitude envelope generator. |
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*/ |
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virtual void TriggerEG1(const EGInfo& egInfo, double velrelease, double velocityAttenuation, uint sampleRate, uint8_t velocity) = 0; |
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/** |
/** |
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* Get current value of EG2 controller. |
* Get current value of EG2 controller. |
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*/ |
*/ |
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virtual double GetVelocityRelease(uint8_t MIDIKeyVelocity) = 0; |
virtual double GetVelocityRelease(uint8_t MIDIKeyVelocity) = 0; |
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virtual unsigned long GetNoteOnTime(int MIDIKey) = 0; |
virtual unsigned long GetNoteOnTime(int MIDIKey) = 0; |
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virtual void ProcessGroupEvent(RTList<Event>::Iterator& itEvent) = 0; |
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void EnterReleaseStage(); |
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}; |
}; |
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} // namespace LinuxSampler |
} // namespace LinuxSampler |
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#endif /* __LS_ABSTRACTVOICE_H__ */ |
#endif /* __LS_ABSTRACTVOICE_H__ */ |