/[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 3612 by schoenebeck, Mon Sep 30 18:03:43 2019 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 38  Line 39 
39  #include "../gig/Synthesizer.h"  #include "../gig/Synthesizer.h"
40  #include "../gig/Profiler.h"  #include "../gig/Profiler.h"
41  #include "SignalUnitRack.h"  #include "SignalUnitRack.h"
42    #include "LFOAll.h"
 // include the appropriate (unsigned) triangle LFO implementation  
 #if CONFIG_UNSIGNED_TRIANG_ALGO == INT_MATH_SOLUTION  
 # include "../common/LFOTriangleIntMath.h"  
 #elif CONFIG_UNSIGNED_TRIANG_ALGO == INT_ABS_MATH_SOLUTION  
 # include "../common/LFOTriangleIntAbsMath.h"  
 #elif CONFIG_UNSIGNED_TRIANG_ALGO == DI_HARMONIC_SOLUTION  
 # include "../common/LFOTriangleDiHarmonic.h"  
 #else  
 # error "Unknown or no (unsigned) triangle LFO implementation selected!"  
 #endif  
   
 // include the appropriate (signed) triangle LFO implementation  
 #if CONFIG_SIGNED_TRIANG_ALGO == INT_MATH_SOLUTION  
 # include "../common/LFOTriangleIntMath.h"  
 #elif CONFIG_SIGNED_TRIANG_ALGO == INT_ABS_MATH_SOLUTION  
 # include "../common/LFOTriangleIntAbsMath.h"  
 #elif CONFIG_SIGNED_TRIANG_ALGO == DI_HARMONIC_SOLUTION  
 # include "../common/LFOTriangleDiHarmonic.h"  
 #else  
 # error "Unknown or no (signed) triangle LFO implementation selected!"  
 #endif  
43    
44  namespace LinuxSampler {  namespace LinuxSampler {
45    
     #if CONFIG_UNSIGNED_TRIANG_ALGO == INT_MATH_SOLUTION  
     typedef LFOTriangleIntMath<range_unsigned> LFOUnsigned;  
     #elif CONFIG_UNSIGNED_TRIANG_ALGO == INT_ABS_MATH_SOLUTION  
     typedef LFOTriangleIntAbsMath<range_unsigned> LFOUnsigned;  
     #elif CONFIG_UNSIGNED_TRIANG_ALGO == DI_HARMONIC_SOLUTION  
     typedef LFOTriangleDiHarmonic<range_unsigned> LFOUnsigned;  
     #endif  
   
     #if CONFIG_SIGNED_TRIANG_ALGO == INT_MATH_SOLUTION  
     typedef LFOTriangleIntMath<range_signed> LFOSigned;  
     #elif CONFIG_SIGNED_TRIANG_ALGO == INT_ABS_MATH_SOLUTION  
     typedef LFOTriangleIntAbsMath<range_signed> LFOSigned;  
     #elif CONFIG_SIGNED_TRIANG_ALGO == DI_HARMONIC_SOLUTION  
     typedef LFOTriangleDiHarmonic<range_signed> LFOSigned;  
     #endif  
   
46      class AbstractVoice : public Voice {      class AbstractVoice : public Voice {
47          public:          public:
48              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)
49              int          MIDIKey;      ///< MIDI key number of the key that triggered the voice              NoteBase*    pNote;        ///< Note this voice belongs to and was caused by.
50                int          MIDIPan;      ///< the current MIDI pan value plus the value from RegionInfo
51    
52                SignalUnitRack* const pSignalUnitRack;
53    
54              AbstractVoice();              AbstractVoice(SignalUnitRack* pRack);
55              virtual ~AbstractVoice();              virtual ~AbstractVoice();
56    
57              inline bool IsActive() { return PlaybackState; }              inline bool IsActive() { return PlaybackState; }
# Line 100  namespace LinuxSampler { Line 67  namespace LinuxSampler {
67                  int                     iKeyGroup                  int                     iKeyGroup
68              );              );
69    
70                /** Invoked when the voice is freed - gone from active to inactive. */
71                virtual void VoiceFreed() { }
72    
73              virtual void Synthesize(uint Samples, sample_t* pSrc, uint Skip);              virtual void Synthesize(uint Samples, sample_t* pSrc, uint Skip);
74                
75                virtual release_trigger_t GetReleaseTriggerFlags() = 0;
76    
77              uint GetSampleRate() { return GetEngine()->SampleRate; }              uint GetSampleRate() { return GetEngine()->SampleRate; }
78                            
79              virtual SignalUnitRack* GetSignalUnitRack() { return NULL; }              uint8_t GetControllerValue(uint8_t Controller) {
80                    return (Controller > 128) ? 0 : pEngineChannel->ControllerTable[Controller];
81                }
82    
83                /// Keyboard key on which this voice should listen to transitional events (i.e. note-off events to release the voice).
84                inline uint8_t HostKey() const { return pNote->hostKey; }
85                /// Keyboard key which the voice should use for calculating any synthesis relevant parameters (i.e. pitch).
86                inline uint8_t MIDIKey() const { return pNote->cause.Param.Note.Key; }
87                /// MIDI note-on velocity value which the voice should use for calculating any synthesis relevant parameters (i.e. amplitude).
88                inline uint8_t MIDIVelocity() const { return pNote->cause.Param.Note.Velocity; }
89    
90              void processCCEvents(RTList<Event>::Iterator& itEvent, uint End);              void processCCEvents(RTList<Event>::Iterator& itEvent, uint End);
91              void processPitchEvent(RTList<Event>::Iterator& itEvent);              void processPitchEvent(RTList<Event>::Iterator& itEvent);
# Line 113  namespace LinuxSampler { Line 94  namespace LinuxSampler {
94              void processGroupEvents(RTList<Event>::Iterator& itEvent, uint End);              void processGroupEvents(RTList<Event>::Iterator& itEvent, uint End);
95              void UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent);              void UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent);
96              void Kill(Pool<Event>::Iterator& itKillEvent);              void Kill(Pool<Event>::Iterator& itKillEvent);
97                void CreateEq();
98                void onScaleTuningChanged();
99    
100              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.
101              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 103  namespace LinuxSampler {
103    
104              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;
105    
106            #if CONFIG_DEVMODE
107            public:
108            #else
109          protected:          protected:
110            #endif
111              SampleInfo      SmplInfo;              SampleInfo      SmplInfo;
112              RegionInfo      RgnInfo;              RegionInfo      RgnInfo;
113              InstrumentInfo  InstrInfo;              InstrumentInfo  InstrInfo;
# Line 128  namespace LinuxSampler { Line 115  namespace LinuxSampler {
115    
116              double                      Pos;                ///< Current playback position in sample              double                      Pos;                ///< Current playback position in sample
117              PitchInfo                   Pitch;              PitchInfo                   Pitch;
118                Fade                        NotePitch;          ///< Updated by calls to built-in instrument script function change_tune() (defaults to 1.0, that is neutral).
119              float                       CutoffBase;         ///< Cutoff frequency before control change, EG and LFO are applied              float                       CutoffBase;         ///< Cutoff frequency before control change, EG and LFO are applied
120              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.
121              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.
122                Fade                        NotePan[2];         ///< Updated by calls to built-in instrument script function change_pan() (defaults to 1.0, that is neutral, index 0 for left pan, index 1 for right).
123                NoteBase::Norm              NoteCutoff;         ///< Updated by calls to built-in instrument script function change_cutoff() (defaults to 1.0, that is neutral).
124                NoteBase::Norm              NoteResonance;      ///< Updated by calls to built-in instrument script function change_reso() (defaults to 1.0, that is neutral).
125              gig::SmoothVolume           CrossfadeSmoother;  ///< Crossfade volume, updated by crossfade CC events              gig::SmoothVolume           CrossfadeSmoother;  ///< Crossfade volume, updated by crossfade CC events
126              gig::SmoothVolume           VolumeSmoother;     ///< Volume, updated by CC 7 (volume) events              gig::SmoothVolume           VolumeSmoother;     ///< Volume, updated by CC 7 (volume) events
127              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.
128              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.
129                Fade                        NoteVolume;         ///< Note's global volume, updated by change_vol() real-time instrument script calls (defaults to 1.0, that is neutral).
130              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
131              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
132              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 150  namespace LinuxSampler {
150              gig::SynthesisParam         finalSynthesisParameters;              gig::SynthesisParam         finalSynthesisParameters;
151              gig::Loop                   loop;              gig::Loop                   loop;
152              RTList<Event>*              pGroupEvents;        ///< Events directed to an exclusive group              RTList<Event>*              pGroupEvents;        ///< Events directed to an exclusive group
153                
154                EqSupport* pEq;         ///< Used for per voice equalization
155                bool       bEqSupport;
156                
157                void PrintEqInfo() {
158                    if (!bEqSupport || pEq == NULL) {
159                        dmsg(1,("EQ support: no\n"));
160                    } else {
161                        pEq->PrintInfo();
162                    }
163                }
164    
165              virtual AbstractEngine* GetEngine() = 0;              virtual AbstractEngine* GetEngine() = 0;
166              virtual SampleInfo      GetSampleInfo() = 0;              virtual SampleInfo      GetSampleInfo() = 0;
# Line 272  namespace LinuxSampler { Line 275  namespace LinuxSampler {
275    
276              virtual void    GetFirstEventOnKey(uint8_t MIDIKey, RTList<Event>::Iterator& itEvent) = 0;              virtual void    GetFirstEventOnKey(uint8_t MIDIKey, RTList<Event>::Iterator& itEvent) = 0;
277              virtual void    ProcessCCEvent(RTList<Event>::Iterator& itEvent) = 0;              virtual void    ProcessCCEvent(RTList<Event>::Iterator& itEvent) = 0;
278                virtual void    ProcessChannelPressureEvent(RTList<Event>::Iterator& itEvent) = 0;
279                virtual void    ProcessPolyphonicKeyPressureEvent(RTList<Event>::Iterator& itEvent) = 0;
280              virtual void    ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) = 0;              virtual void    ProcessCutoffEvent(RTList<Event>::Iterator& itEvent) = 0;
281              virtual double  GetVelocityRelease(uint8_t MIDIKeyVelocity) = 0;              virtual double  GetVelocityRelease(uint8_t MIDIKeyVelocity) = 0;
282    
# Line 279  namespace LinuxSampler { Line 284  namespace LinuxSampler {
284    
285              virtual void    ProcessGroupEvent(RTList<Event>::Iterator& itEvent) = 0;              virtual void    ProcessGroupEvent(RTList<Event>::Iterator& itEvent) = 0;
286              void            EnterReleaseStage();              void            EnterReleaseStage();
287    
288                virtual int     CalculatePan(uint8_t pan) = 0;
289      };      };
290  } // namespace LinuxSampler  } // namespace LinuxSampler
291    
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