/[svn]/linuxsampler/trunk/src/engines/common/AbstractVoice.h
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revision 2244 by iliev, Thu Aug 18 11:32:33 2011 UTC revision 3188 by schoenebeck, Fri May 19 14:23:12 2017 UTC
# Line 4  Line 4 
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) 2005-2008 Christian Schoenebeck                         *   *   Copyright (C) 2005-2008 Christian Schoenebeck                         *
7   *   Copyright (C) 2009-2011 Christian Schoenebeck and Grigor Iliev        *   *   Copyright (C) 2009-2012 Christian Schoenebeck and Grigor Iliev        *
8   *                                                                         *   *                                                                         *
9   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
10   *   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 29  Line 29 
29    
30  #include "../../common/global_private.h"  #include "../../common/global_private.h"
31  #include "../AbstractEngineChannel.h"  #include "../AbstractEngineChannel.h"
32  #include "../common/LFOBase.h"  #include "LFOBase.h"
33    #include "EaseInEaseOut.h"
34  #include "../EngineBase.h"  #include "../EngineBase.h"
35  #include "EG.h"  #include "EG.h"
36  #include "../gig/EGADSR.h"  #include "../gig/EGADSR.h"
# Line 41  Line 42 
42    
43  // include the appropriate (unsigned) triangle LFO implementation  // include the appropriate (unsigned) triangle LFO implementation
44  #if CONFIG_UNSIGNED_TRIANG_ALGO == INT_MATH_SOLUTION  #if CONFIG_UNSIGNED_TRIANG_ALGO == INT_MATH_SOLUTION
45  # include "../common/LFOTriangleIntMath.h"  # include "LFOTriangleIntMath.h"
46  #elif CONFIG_UNSIGNED_TRIANG_ALGO == INT_ABS_MATH_SOLUTION  #elif CONFIG_UNSIGNED_TRIANG_ALGO == INT_ABS_MATH_SOLUTION
47  # include "../common/LFOTriangleIntAbsMath.h"  # include "LFOTriangleIntAbsMath.h"
48  #elif CONFIG_UNSIGNED_TRIANG_ALGO == DI_HARMONIC_SOLUTION  #elif CONFIG_UNSIGNED_TRIANG_ALGO == DI_HARMONIC_SOLUTION
49  # include "../common/LFOTriangleDiHarmonic.h"  # include "LFOTriangleDiHarmonic.h"
50  #else  #else
51  # error "Unknown or no (unsigned) triangle LFO implementation selected!"  # error "Unknown or no (unsigned) triangle LFO implementation selected!"
52  #endif  #endif
53    
54  // include the appropriate (signed) triangle LFO implementation  // include the appropriate (signed) triangle LFO implementation
55  #if CONFIG_SIGNED_TRIANG_ALGO == INT_MATH_SOLUTION  #if CONFIG_SIGNED_TRIANG_ALGO == INT_MATH_SOLUTION
56  # include "../common/LFOTriangleIntMath.h"  # include "LFOTriangleIntMath.h"
57  #elif CONFIG_SIGNED_TRIANG_ALGO == INT_ABS_MATH_SOLUTION  #elif CONFIG_SIGNED_TRIANG_ALGO == INT_ABS_MATH_SOLUTION
58  # include "../common/LFOTriangleIntAbsMath.h"  # include "LFOTriangleIntAbsMath.h"
59  #elif CONFIG_SIGNED_TRIANG_ALGO == DI_HARMONIC_SOLUTION  #elif CONFIG_SIGNED_TRIANG_ALGO == DI_HARMONIC_SOLUTION
60  # include "../common/LFOTriangleDiHarmonic.h"  # include "LFOTriangleDiHarmonic.h"
61  #else  #else
62  # error "Unknown or no (signed) triangle LFO implementation selected!"  # error "Unknown or no (signed) triangle LFO implementation selected!"
63  #endif  #endif
# Line 82  namespace LinuxSampler { Line 83  namespace LinuxSampler {
83      class AbstractVoice : public Voice {      class AbstractVoice : public Voice {
84          public:          public:
85              type_t       Type;         ///< Voice Type (bit field, a voice may have several types)              type_t       Type;         ///< Voice Type (bit field, a voice may have several types)
86              int          MIDIKey;      ///< MIDI key number of the key that triggered the voice              NoteBase*    pNote;        ///< Note this voice belongs to and was caused by.
87              uint8_t      MIDIVelocity; ///< MIDI velocity of the key that triggered the voice              int          MIDIPan;      ///< the current MIDI pan value plus the value from RegionInfo
88              uint8_t      MIDIPan;      ///< the current MIDI pan value  
               
89              SignalUnitRack* const pSignalUnitRack;              SignalUnitRack* const pSignalUnitRack;
90    
91              AbstractVoice(SignalUnitRack* pRack);              AbstractVoice(SignalUnitRack* pRack);
# Line 115  namespace LinuxSampler { Line 115  namespace LinuxSampler {
115                  return (Controller > 128) ? 0 : pEngineChannel->ControllerTable[Controller];                  return (Controller > 128) ? 0 : pEngineChannel->ControllerTable[Controller];
116              }              }
117    
118                /// Keyboard key on which this voice should listen to transitional events (i.e. note-off events to release the voice).
119                inline uint8_t HostKey() const { return pNote->hostKey; }
120                /// Keyboard key which the voice should use for calculating any synthesis relevant parameters (i.e. pitch).
121                inline uint8_t MIDIKey() const { return pNote->cause.Param.Note.Key; }
122                /// MIDI note-on velocity value which the voice should use for calculating any synthesis relevant parameters (i.e. amplitude).
123                inline uint8_t MIDIVelocity() const { return pNote->cause.Param.Note.Velocity; }
124    
125              void processCCEvents(RTList<Event>::Iterator& itEvent, uint End);              void processCCEvents(RTList<Event>::Iterator& itEvent, uint End);
126              void processPitchEvent(RTList<Event>::Iterator& itEvent);              void processPitchEvent(RTList<Event>::Iterator& itEvent);
127              void processResonanceEvent(RTList<Event>::Iterator& itEvent);              void processResonanceEvent(RTList<Event>::Iterator& itEvent);
# Line 122  namespace LinuxSampler { Line 129  namespace LinuxSampler {
129              void processGroupEvents(RTList<Event>::Iterator& itEvent, uint End);              void processGroupEvents(RTList<Event>::Iterator& itEvent, uint End);
130              void UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent);              void UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent);
131              void Kill(Pool<Event>::Iterator& itKillEvent);              void Kill(Pool<Event>::Iterator& itKillEvent);
132                void CreateEq();
133                void onScaleTuningChanged();
134    
135              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.              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.
136              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
# Line 137  namespace LinuxSampler { Line 146  namespace LinuxSampler {
146    
147              double                      Pos;                ///< Current playback position in sample              double                      Pos;                ///< Current playback position in sample
148              PitchInfo                   Pitch;              PitchInfo                   Pitch;
149                EaseInEaseOut               NotePitch;          ///< Updated by calls to built-in instrument script function change_tune() (defaults to 1.0, that is neutral).
150              float                       CutoffBase;         ///< Cutoff frequency before control change, EG and LFO are applied              float                       CutoffBase;         ///< Cutoff frequency before control change, EG and LFO are applied
151              float                       VolumeLeft;         ///< Left channel volume. This factor is calculated when the voice is triggered and doesn't change after that.              float                       VolumeLeft;         ///< Left channel volume. This factor is calculated when the voice is triggered and doesn't change after that.
152              float                       VolumeRight;        ///< Right channel volume. This factor is calculated when the voice is triggered and doesn't change after that.              float                       VolumeRight;        ///< Right channel volume. This factor is calculated when the voice is triggered and doesn't change after that.
153                float                       NotePanLeft;        ///< Updated by calls to built-in instrument script function change_pan() (defaults to 1.0, that is neutral).
154                float                       NotePanRight;       ///< Updated by calls to built-in instrument script function change_pan() (defaults to 1.0, that is neutral).
155                float                       NoteCutoff;         ///< Updated by calls to built-in instrument script function change_cutoff() (defaults to 1.0, that is neutral).
156                float                       NoteResonance;      ///< Updated by calls to built-in instrument script function change_reso() (defaults to 1.0, that is neutral).
157              gig::SmoothVolume           CrossfadeSmoother;  ///< Crossfade volume, updated by crossfade CC events              gig::SmoothVolume           CrossfadeSmoother;  ///< Crossfade volume, updated by crossfade CC events
158              gig::SmoothVolume           VolumeSmoother;     ///< Volume, updated by CC 7 (volume) events              gig::SmoothVolume           VolumeSmoother;     ///< Volume, updated by CC 7 (volume) events
159              gig::SmoothVolume           PanLeftSmoother;    ///< Left channel volume, updated by CC 10 (pan) events              gig::SmoothVolume           PanLeftSmoother;    ///< Left channel volume, updated by CC 10 (pan) events and change_pan() real-time instrument script calls.
160              gig::SmoothVolume           PanRightSmoother;   ///< Right channel volume, updated by CC 10 (pan) events              gig::SmoothVolume           PanRightSmoother;   ///< Right channel volume, updated by CC 10 (pan) events and change_pan() real-time instrument script calls.
161                EaseInEaseOut               NoteVolume;         ///< Note's global volume, updated by change_vol() real-time instrument script calls (defaults to 1.0, that is neutral).
162              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
163              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
164              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.
# Line 167  namespace LinuxSampler { Line 182  namespace LinuxSampler {
182              gig::SynthesisParam         finalSynthesisParameters;              gig::SynthesisParam         finalSynthesisParameters;
183              gig::Loop                   loop;              gig::Loop                   loop;
184              RTList<Event>*              pGroupEvents;        ///< Events directed to an exclusive group              RTList<Event>*              pGroupEvents;        ///< Events directed to an exclusive group
185                
186                EqSupport* pEq;         ///< Used for per voice equalization
187                bool       bEqSupport;
188                
189                void PrintEqInfo() {
190                    if (!bEqSupport || pEq == NULL) {
191                        dmsg(1,("EQ support: no\n"));
192                    } else {
193                        pEq->PrintInfo();
194                    }
195                }
196    
197              virtual AbstractEngine* GetEngine() = 0;              virtual AbstractEngine* GetEngine() = 0;
198              virtual SampleInfo      GetSampleInfo() = 0;              virtual SampleInfo      GetSampleInfo() = 0;
# Line 281  namespace LinuxSampler { Line 307  namespace LinuxSampler {
307    
308              virtual void    GetFirstEventOnKey(uint8_t MIDIKey, RTList<Event>::Iterator& itEvent) = 0;              virtual void    GetFirstEventOnKey(uint8_t MIDIKey, RTList<Event>::Iterator& itEvent) = 0;
309              virtual void    ProcessCCEvent(RTList<Event>::Iterator& itEvent) = 0;              virtual void    ProcessCCEvent(RTList<Event>::Iterator& itEvent) = 0;
310                virtual void    ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) = 0;
311                virtual void    ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) = 0;
312              virtual void    ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) = 0;              virtual void    ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) = 0;
313              virtual double  GetVelocityRelease(uint8_t MIDIKeyVelocity) = 0;              virtual double  GetVelocityRelease(uint8_t MIDIKeyVelocity) = 0;
314    
# Line 288  namespace LinuxSampler { Line 316  namespace LinuxSampler {
316    
317              virtual void    ProcessGroupEvent(RTList<Event>::Iterator& itEvent) = 0;              virtual void    ProcessGroupEvent(RTList<Event>::Iterator& itEvent) = 0;
318              void            EnterReleaseStage();              void            EnterReleaseStage();
319    
320                virtual int     CalculatePan(uint8_t pan) = 0;
321      };      };
322  } // namespace LinuxSampler  } // namespace LinuxSampler
323    
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