/[svn]/linuxsampler/trunk/src/engines/gig/Voice.h
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revision 832 by persson, Sun Feb 5 10:24:05 2006 UTC revision 1923 by persson, Sat Jun 27 16:55:41 2009 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *   Copyright (C) 2005, 2006 Christian Schoenebeck                        *   *   Copyright (C) 2005 - 2007 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   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  *   *   it under the terms of the GNU General Public License as published by  *
# Line 24  Line 24 
24  #ifndef __LS_GIG_VOICE_H__  #ifndef __LS_GIG_VOICE_H__
25  #define __LS_GIG_VOICE_H__  #define __LS_GIG_VOICE_H__
26    
27  #include "../../common/global.h"  #include "../../common/global_private.h"
28    
29  #include <gig.h>  #include <gig.h>
30    
31  #include "../../common/RTMath.h"  #include "../../common/RTMath.h"
 #include "../../common/RingBuffer.h"  
32  #include "../../common/Pool.h"  #include "../../common/Pool.h"
33  #include "../../drivers/audio/AudioOutputDevice.h"  #include "../../drivers/audio/AudioOutputDevice.h"
 #include "../common/BiquadFilter.h"  
34  #include "Engine.h"  #include "Engine.h"
35  #include "EngineChannel.h"  #include "EngineChannel.h"
36  #include "Stream.h"  #include "Stream.h"
# Line 146  namespace LinuxSampler { namespace gig { Line 144  namespace LinuxSampler { namespace gig {
144              double                      Pos;                ///< Current playback position in sample              double                      Pos;                ///< Current playback position in sample
145              float                       PitchBase;          ///< Basic pitch depth, stays the same for the whole life time of the voice              float                       PitchBase;          ///< Basic pitch depth, stays the same for the whole life time of the voice
146              float                       PitchBend;          ///< Current pitch value of the pitchbend wheel              float                       PitchBend;          ///< Current pitch value of the pitchbend wheel
147                float                       PitchBendRange;     ///< The pitch range of the pitchbend wheel, value is in cents / 8192
148              float                       CutoffBase;         ///< Cutoff frequency before control change, EG and LFO are applied              float                       CutoffBase;         ///< Cutoff frequency before control change, EG and LFO are applied
149              ::gig::Sample*              pSample;            ///< Pointer to the sample to be played back              ::gig::Sample*              pSample;            ///< Pointer to the sample to be played back
150              ::gig::DimensionRegion*     pDimRgn;            ///< Pointer to the articulation information of current dimension region of this voice              ::gig::DimensionRegion*     pDimRgn;            ///< Pointer to the articulation information of current dimension region of this voice
151                bool                        Orphan;             ///< true if this voice is playing a sample from an instrument that is unloaded. When the voice dies, the sample (and dimension region) will be handed back to the instrument resource manager.
152              playback_state_t            PlaybackState;      ///< When a sample will be triggered, it will be first played from RAM cache and after a couple of sample points it will switch to disk streaming and at the end of a disk stream we have to add null samples, so the interpolator can do it's work correctly              playback_state_t            PlaybackState;      ///< When a sample will be triggered, it will be first played from RAM cache and after a couple of sample points it will switch to disk streaming and at the end of a disk stream we have to add null samples, so the interpolator can do it's work correctly
153              bool                        DiskVoice;          ///< If the sample is very short it completely fits into the RAM cache and doesn't need to be streamed from disk, in that case this flag is set to false              bool                        DiskVoice;          ///< If the sample is very short it completely fits into the RAM cache and doesn't need to be streamed from disk, in that case this flag is set to false
154              Stream::reference_t         DiskStreamRef;      ///< Reference / link to the disk stream              Stream::reference_t         DiskStreamRef;      ///< Reference / link to the disk stream
# Line 162  namespace LinuxSampler { namespace gig { Line 162  namespace LinuxSampler { namespace gig {
162              EGDecay                     EG3;                ///< Envelope Generator 3 (Pitch)              EGDecay                     EG3;                ///< Envelope Generator 3 (Pitch)
163              midi_ctrl                   VCFCutoffCtrl;              midi_ctrl                   VCFCutoffCtrl;
164              midi_ctrl                   VCFResonanceCtrl;              midi_ctrl                   VCFResonanceCtrl;
             static const float          FILTER_CUTOFF_COEFF;  
165              LFOUnsigned*                pLFO1;               ///< Low Frequency Oscillator 1 (Amplification)              LFOUnsigned*                pLFO1;               ///< Low Frequency Oscillator 1 (Amplification)
166              LFOUnsigned*                pLFO2;               ///< Low Frequency Oscillator 2 (Filter cutoff frequency)              LFOUnsigned*                pLFO2;               ///< Low Frequency Oscillator 2 (Filter cutoff frequency)
167              LFOSigned*                  pLFO3;               ///< Low Frequency Oscillator 3 (Pitch)              LFOSigned*                  pLFO3;               ///< Low Frequency Oscillator 3 (Pitch)
# Line 183  namespace LinuxSampler { namespace gig { Line 182  namespace LinuxSampler { namespace gig {
182              static float CalculateFilterCutoffCoeff();              static float CalculateFilterCutoffCoeff();
183    
184              // Methods              // Methods
185              void KillImmediately();              Stream::Handle KillImmediately(bool bRequestNotification = false);
186              void ProcessEvents(uint Samples);              void ProcessEvents(uint Samples);
187              void Synthesize(uint Samples, sample_t* pSrc, uint Skip);              void Synthesize(uint Samples, sample_t* pSrc, uint Skip);
188              void processTransitionEvents(RTList<Event>::Iterator& itEvent, uint End);              void processTransitionEvents(RTList<Event>::Iterator& itEvent, uint End);
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