/[svn]/linuxsampler/trunk/src/engines/common/AbstractVoice.h
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revision 2216 by iliev, Mon Jul 25 17:21:16 2011 UTC revision 3306 by schoenebeck, Tue Jul 11 15:50:05 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 "Fade.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                int          MIDIPan;      ///< the current MIDI pan value plus the value from RegionInfo
88    
89              AbstractVoice();              SignalUnitRack* const pSignalUnitRack;
90    
91                AbstractVoice(SignalUnitRack* pRack);
92              virtual ~AbstractVoice();              virtual ~AbstractVoice();
93    
94              inline bool IsActive() { return PlaybackState; }              inline bool IsActive() { return PlaybackState; }
# Line 100  namespace LinuxSampler { Line 104  namespace LinuxSampler {
104                  int                     iKeyGroup                  int                     iKeyGroup
105              );              );
106    
107                /** Invoked when the voice is freed - gone from active to inactive. */
108                virtual void VoiceFreed() { }
109    
110              virtual void Synthesize(uint Samples, sample_t* pSrc, uint Skip);              virtual void Synthesize(uint Samples, sample_t* pSrc, uint Skip);
111                            
112              uint GetSampleRate() { return GetEngine()->SampleRate; }              uint GetSampleRate() { return GetEngine()->SampleRate; }
113                            
114              virtual SignalUnitRack* GetSignalUnitRack() { return NULL; }              uint8_t GetControllerValue(uint8_t Controller) {
115                    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);
# Line 113  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 120  namespace LinuxSampler { Line 138  namespace LinuxSampler {
138    
139              template<class TV, class TRR, class TR, class TD, class TIM, class TI> friend class EngineBase;              template<class TV, class TRR, class TR, class TD, class TIM, class TI> friend class EngineBase;
140    
141            #if CONFIG_DEVMODE
142            public:
143            #else
144          protected:          protected:
145            #endif
146              SampleInfo      SmplInfo;              SampleInfo      SmplInfo;
147              RegionInfo      RgnInfo;              RegionInfo      RgnInfo;
148              InstrumentInfo  InstrInfo;              InstrumentInfo  InstrInfo;
# Line 128  namespace LinuxSampler { Line 150  namespace LinuxSampler {
150    
151              double                      Pos;                ///< Current playback position in sample              double                      Pos;                ///< Current playback position in sample
152              PitchInfo                   Pitch;              PitchInfo                   Pitch;
153                Fade                        NotePitch;          ///< Updated by calls to built-in instrument script function change_tune() (defaults to 1.0, that is neutral).
154              float                       CutoffBase;         ///< Cutoff frequency before control change, EG and LFO are applied              float                       CutoffBase;         ///< Cutoff frequency before control change, EG and LFO are applied
155              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.
156              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.
157                float                       NotePanLeft;        ///< Updated by calls to built-in instrument script function change_pan() (defaults to 1.0, that is neutral).
158                float                       NotePanRight;       ///< Updated by calls to built-in instrument script function change_pan() (defaults to 1.0, that is neutral).
159                float                       NoteCutoff;         ///< Updated by calls to built-in instrument script function change_cutoff() (defaults to 1.0, that is neutral).
160                float                       NoteResonance;      ///< Updated by calls to built-in instrument script function change_reso() (defaults to 1.0, that is neutral).
161              gig::SmoothVolume           CrossfadeSmoother;  ///< Crossfade volume, updated by crossfade CC events              gig::SmoothVolume           CrossfadeSmoother;  ///< Crossfade volume, updated by crossfade CC events
162              gig::SmoothVolume           VolumeSmoother;     ///< Volume, updated by CC 7 (volume) events              gig::SmoothVolume           VolumeSmoother;     ///< Volume, updated by CC 7 (volume) events
163              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.
164              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.
165                Fade                        NoteVolume;         ///< Note's global volume, updated by change_vol() real-time instrument script calls (defaults to 1.0, that is neutral).
166              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
167              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
168              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 158  namespace LinuxSampler { Line 186  namespace LinuxSampler {
186              gig::SynthesisParam         finalSynthesisParameters;              gig::SynthesisParam         finalSynthesisParameters;
187              gig::Loop                   loop;              gig::Loop                   loop;
188              RTList<Event>*              pGroupEvents;        ///< Events directed to an exclusive group              RTList<Event>*              pGroupEvents;        ///< Events directed to an exclusive group
189                
190                EqSupport* pEq;         ///< Used for per voice equalization
191                bool       bEqSupport;
192                
193                void PrintEqInfo() {
194                    if (!bEqSupport || pEq == NULL) {
195                        dmsg(1,("EQ support: no\n"));
196                    } else {
197                        pEq->PrintInfo();
198                    }
199                }
200    
201              virtual AbstractEngine* GetEngine() = 0;              virtual AbstractEngine* GetEngine() = 0;
202              virtual SampleInfo      GetSampleInfo() = 0;              virtual SampleInfo      GetSampleInfo() = 0;
# Line 272  namespace LinuxSampler { Line 311  namespace LinuxSampler {
311    
312              virtual void    GetFirstEventOnKey(uint8_t MIDIKey, RTList<Event>::Iterator& itEvent) = 0;              virtual void    GetFirstEventOnKey(uint8_t MIDIKey, RTList<Event>::Iterator& itEvent) = 0;
313              virtual void    ProcessCCEvent(RTList<Event>::Iterator& itEvent) = 0;              virtual void    ProcessCCEvent(RTList<Event>::Iterator& itEvent) = 0;
314                virtual void    ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) = 0;
315                virtual void    ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) = 0;
316              virtual void    ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) = 0;              virtual void    ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) = 0;
317              virtual double  GetVelocityRelease(uint8_t MIDIKeyVelocity) = 0;              virtual double  GetVelocityRelease(uint8_t MIDIKeyVelocity) = 0;
318    
# Line 279  namespace LinuxSampler { Line 320  namespace LinuxSampler {
320    
321              virtual void    ProcessGroupEvent(RTList<Event>::Iterator& itEvent) = 0;              virtual void    ProcessGroupEvent(RTList<Event>::Iterator& itEvent) = 0;
322              void            EnterReleaseStage();              void            EnterReleaseStage();
323    
324                virtual int     CalculatePan(uint8_t pan) = 0;
325      };      };
326  } // namespace LinuxSampler  } // namespace LinuxSampler
327    
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