/[svn]/linuxsampler/trunk/src/engines/gig/Voice.h
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revision 348 by schoenebeck, Sun Jan 23 21:24:16 2005 UTC revision 502 by letz, Fri Apr 29 14:20:22 2005 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 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 35  Line 36 
36  #include "../../drivers/audio/AudioOutputDevice.h"  #include "../../drivers/audio/AudioOutputDevice.h"
37  #include "../../lib/fileloader/libgig/gig.h"  #include "../../lib/fileloader/libgig/gig.h"
38  #include "../common/BiquadFilter.h"  #include "../common/BiquadFilter.h"
39    //#include "EngineGlobals.h"
40  #include "Engine.h"  #include "Engine.h"
41    #include "EngineChannel.h"
42  #include "Stream.h"  #include "Stream.h"
43  #include "DiskThread.h"  #include "DiskThread.h"
44    
# Line 43  Line 46 
46  #include "Filter.h"  #include "Filter.h"
47  #include "../common/LFO.h"  #include "../common/LFO.h"
48    
 #define FILTER_UPDATE_PERIOD            64 ///< amount of sample points after which filter parameters (cutoff, resonance) are going to be updated (higher value means less CPU load, but also worse parameter resolution, this value will be aligned to a power of two)  
 #define FORCE_FILTER_USAGE              0  ///< if set to 1 then filter is always used, if set to 0 filter is used only in case the instrument file defined one  
 #define FILTER_CUTOFF_MAX               10000.0f ///< maximum cutoff frequency (10kHz)  
 #define FILTER_CUTOFF_MIN               100.0f   ///< minimum cutoff frequency (100Hz)  
   
 // Uncomment following line to override external cutoff controller  
 //#define OVERRIDE_FILTER_CUTOFF_CTRL   1  ///< set to an arbitrary MIDI control change controller (e.g. 1 for 'modulation wheel')  
   
 // Uncomment following line to override external resonance controller  
 //#define OVERRIDE_FILTER_RES_CTRL      91  ///< set to an arbitrary MIDI control change controller (e.g. 91 for 'effect 1 depth')  
   
 // Uncomment following line to override filter type  
 //#define OVERRIDE_FILTER_TYPE          ::gig::vcf_type_lowpass  ///< either ::gig::vcf_type_lowpass, ::gig::vcf_type_bandpass or ::gig::vcf_type_highpass  
   
49  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
50    
51      class Engine;      class Engine;
52      class EGADSR;      class EGADSR;
53        class EGDecay;
54      class VCAManipulator;      class VCAManipulator;
55      class VCFCManipulator;      class VCFCManipulator;
56      class VCOManipulator;      class VCOManipulator;
# Line 90  namespace LinuxSampler { namespace gig { Line 80  namespace LinuxSampler { namespace gig {
80              int          MIDIKey;      ///< MIDI key number of the key that triggered the voice              int          MIDIKey;      ///< MIDI key number of the key that triggered the voice
81              uint         KeyGroup;              uint         KeyGroup;
82              DiskThread*  pDiskThread;  ///< Pointer to the disk thread, to be able to order a disk stream and later to delete the stream again              DiskThread*  pDiskThread;  ///< Pointer to the disk thread, to be able to order a disk stream and later to delete the stream again
             RTList<Voice>::Iterator itChildVoice; ///< Points to the next layer voice (if any). This field is currently only used by the voice stealing algorithm.  
83    
84              // Methods              // Methods
85              Voice();              Voice();
86             ~Voice();              virtual ~Voice();
87              void Kill(Pool<Event>::Iterator& itKillEvent);              void Kill(Pool<Event>::Iterator& itKillEvent);
88              void Render(uint Samples);              void Render(uint Samples);
89              void Reset();              void Reset();
90              void SetOutput(AudioOutputDevice* pAudioOutputDevice);              void SetOutput(AudioOutputDevice* pAudioOutputDevice);
91              void SetEngine(Engine* pEngine);              void SetEngine(Engine* pEngine);
92              int  Trigger(Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing);              int  Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::Instrument* pInstrument, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealingAllowed);
93              inline bool IsActive() { return PlaybackState; }              inline bool IsActive() { return PlaybackState; }
94          //private:          //private:
95              // Types              // Types
# Line 111  namespace LinuxSampler { namespace gig { Line 100  namespace LinuxSampler { namespace gig {
100              };              };
101    
102              // Attributes              // Attributes
103              gig::Engine*                pEngine;            ///< Pointer to the sampler engine, to be able to access the event lists.              EngineChannel*              pEngineChannel;
104                Engine*                     pEngine;            ///< Pointer to the sampler engine, to be able to access the event lists.
105              float                       Volume;             ///< Volume level of the voice              float                       Volume;             ///< Volume level of the voice
106              float                       PanLeft;              float                       PanLeft;
107              float                       PanRight;              float                       PanRight;
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