/[svn]/linuxsampler/trunk/src/engines/gig/Voice.h
ViewVC logotype

Diff of /linuxsampler/trunk/src/engines/gig/Voice.h

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 348 by schoenebeck, Sun Jan 23 21:24:16 2005 UTC revision 687 by schoenebeck, Tue Jul 12 22:37:21 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 25  Line 26 
26    
27  #include "../../common/global.h"  #include "../../common/global.h"
28    
29  #if DEBUG_HEADERS  #include <gig.h>
 # warning Voice.h included  
 #endif // DEBUG_HEADERS  
30    
31  #include "../../common/RTMath.h"  #include "../../common/RTMath.h"
32  #include "../../common/RingBuffer.h"  #include "../../common/RingBuffer.h"
33  #include "../../common/Pool.h"  #include "../../common/Pool.h"
34  #include "../../drivers/audio/AudioOutputDevice.h"  #include "../../drivers/audio/AudioOutputDevice.h"
 #include "../../lib/fileloader/libgig/gig.h"  
35  #include "../common/BiquadFilter.h"  #include "../common/BiquadFilter.h"
36    //#include "EngineGlobals.h"
37  #include "Engine.h"  #include "Engine.h"
38    #include "EngineChannel.h"
39  #include "Stream.h"  #include "Stream.h"
40  #include "DiskThread.h"  #include "DiskThread.h"
41    
# Line 43  Line 43 
43  #include "Filter.h"  #include "Filter.h"
44  #include "../common/LFO.h"  #include "../common/LFO.h"
45    
 #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  
   
46  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
47    
48      class Engine;      class Engine;
49      class EGADSR;      class EGADSR;
50        class EGDecay;
51      class VCAManipulator;      class VCAManipulator;
52      class VCFCManipulator;      class VCFCManipulator;
53      class VCOManipulator;      class VCOManipulator;
# Line 90  namespace LinuxSampler { namespace gig { Line 77  namespace LinuxSampler { namespace gig {
77              int          MIDIKey;      ///< MIDI key number of the key that triggered the voice              int          MIDIKey;      ///< MIDI key number of the key that triggered the voice
78              uint         KeyGroup;              uint         KeyGroup;
79              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.  
80    
81              // Methods              // Methods
82              Voice();              Voice();
83             ~Voice();              virtual ~Voice();
84              void Kill(Pool<Event>::Iterator& itKillEvent);              void Kill(Pool<Event>::Iterator& itKillEvent);
85              void Render(uint Samples);              void Render(uint Samples);
86              void Reset();              void Reset();
87              void SetOutput(AudioOutputDevice* pAudioOutputDevice);              void SetOutput(AudioOutputDevice* pAudioOutputDevice);
88              void SetEngine(Engine* pEngine);              void SetEngine(Engine* pEngine);
89              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::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup);
90              inline bool IsActive() { return PlaybackState; }              inline bool IsActive() { return PlaybackState; }
91                inline bool IsStealable() { return !itKillEvent && PlaybackState >= playback_state_ram; }
92          //private:          //private:
93              // Types              // Types
94              enum playback_state_t {              enum playback_state_t {
95                  playback_state_end  = 0,                  playback_state_end  = 0,
96                  playback_state_ram  = 1,                  playback_state_init = 1,
97                  playback_state_disk = 2                  playback_state_ram  = 2,
98                    playback_state_disk = 3
99              };              };
100    
101              // Attributes              // Attributes
102              gig::Engine*                pEngine;            ///< Pointer to the sampler engine, to be able to access the event lists.              EngineChannel*              pEngineChannel;
103                Engine*                     pEngine;            ///< Pointer to the sampler engine, to be able to access the event lists.
104              float                       Volume;             ///< Volume level of the voice              float                       Volume;             ///< Volume level of the voice
105              float                       PanLeft;              float                       PanLeft;
106              float                       PanRight;              float                       PanRight;
# Line 120  namespace LinuxSampler { namespace gig { Line 109  namespace LinuxSampler { namespace gig {
109              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
110              float                       PitchBend;          ///< Current pitch value of the pitchbend wheel              float                       PitchBend;          ///< Current pitch value of the pitchbend wheel
111              ::gig::Sample*              pSample;            ///< Pointer to the sample to be played back              ::gig::Sample*              pSample;            ///< Pointer to the sample to be played back
             ::gig::Region*              pRegion;            ///< Pointer to the articulation information of the respective keyboard region of this voice  
112              ::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
113              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
114              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
# Line 146  namespace LinuxSampler { namespace gig { Line 134  namespace LinuxSampler { namespace gig {
134              LFO<gig::VCAManipulator>*   pLFO1;              ///< Low Frequency Oscillator 1 (Amplification)              LFO<gig::VCAManipulator>*   pLFO1;              ///< Low Frequency Oscillator 1 (Amplification)
135              LFO<gig::VCFCManipulator>*  pLFO2;             ///< Low Frequency Oscillator 2 (Filter cutoff frequency)              LFO<gig::VCFCManipulator>*  pLFO2;             ///< Low Frequency Oscillator 2 (Filter cutoff frequency)
136              LFO<gig::VCOManipulator>*   pLFO3;              ///< Low Frequency Oscillator 3 (Pitch)              LFO<gig::VCOManipulator>*   pLFO3;              ///< Low Frequency Oscillator 3 (Pitch)
137                bool                        bLFO1Enabled;        ///< Should we use the Amplitude LFO for this voice?
138                bool                        bLFO2Enabled;        ///< Should we use the Filter Cutoff LFO for this voice?
139                bool                        bLFO3Enabled;        ///< Should we use the Pitch LFO for this voice?
140              Pool<Event>::Iterator       itTriggerEvent;      ///< First event on the key's list the voice should process (only needed for the first audio fragment in which voice was triggered, after that it will be set to NULL).              Pool<Event>::Iterator       itTriggerEvent;      ///< First event on the key's list the voice should process (only needed for the first audio fragment in which voice was triggered, after that it will be set to NULL).
141          //public: // FIXME: just made public for debugging (sanity check in Engine::RenderAudio()), should be changed to private before the final release          //public: // FIXME: just made public for debugging (sanity check in Engine::RenderAudio()), should be changed to private before the final release
142              Pool<Event>::Iterator       itKillEvent;         ///< Event which caused this voice to be killed              Pool<Event>::Iterator       itKillEvent;         ///< Event which caused this voice to be killed

Legend:
Removed from v.348  
changed lines
  Added in v.687

  ViewVC Help
Powered by ViewVC