/[svn]/linuxsampler/trunk/src/engines/gig/Engine.h
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Diff of /linuxsampler/trunk/src/engines/gig/Engine.h

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revision 663 by schoenebeck, Sat Jun 18 21:37:03 2005 UTC revision 832 by persson, Sun Feb 5 10:24:05 2006 UTC
# Line 36  Line 36 
36  #include "../../common/ConditionServer.h"  #include "../../common/ConditionServer.h"
37  #include "../common/Engine.h"  #include "../common/Engine.h"
38  #include "../common/Event.h"  #include "../common/Event.h"
 #include "../common/BiquadFilter.h"  
39  #include "../../network/lscp.h"  #include "../../network/lscp.h"
40  #include "EngineChannel.h"  #include "EngineChannel.h"
41    
42  // identifier of this sampler engine  // identifier of this sampler engine
43  #define LS_GIG_ENGINE_NAME "GigEngine"  #define LS_GIG_ENGINE_NAME "GIG"
44    
45  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
46    
# Line 79  namespace LinuxSampler { namespace gig { Line 78  namespace LinuxSampler { namespace gig {
78              virtual String Version();              virtual String Version();
79              virtual String EngineName();              virtual String EngineName();
80    
81                static const float* VolumeCurve;    ///< Table that maps volume control change values 0..127 to amplitude. Unity gain is at 90.
82                static const float* PanCurve;       ///< Table that maps pan control change values 0..128 to right channel amplitude. Unity gain is at 64 (center).
83                static const float* CrossfadeCurve; ///< Table that maps crossfade control change values 0..127 to amplitude. Unity gain is at 127.
84    
85          //protected:          //protected:
86              static InstrumentResourceManager instruments;              static InstrumentResourceManager instruments;
87    
# Line 93  namespace LinuxSampler { namespace gig { Line 96  namespace LinuxSampler { namespace gig {
96              RTList<Event>*          pGlobalEvents;         ///< All engine global events for the current audio fragment (usually only SysEx messages).              RTList<Event>*          pGlobalEvents;         ///< All engine global events for the current audio fragment (usually only SysEx messages).
97              Pool<Event>*            pEventPool;            ///< Contains all Event objects that can be used.              Pool<Event>*            pEventPool;            ///< Contains all Event objects that can be used.
98              RingBuffer<uint8_t>*    pSysexBuffer;          ///< Input buffer for MIDI system exclusive messages.              RingBuffer<uint8_t>*    pSysexBuffer;          ///< Input buffer for MIDI system exclusive messages.
             float*                  pSynthesisParameters[Event::destination_count]; ///< Matrix with final synthesis parameters for the current audio fragment which will be used in the main synthesis loop.  
             biquad_param_t*         pBasicFilterParameters; ///< Biquad parameters of the basic bandpass filter.  
             biquad_param_t*         pMainFilterParameters;  ///< Main biquad parameters of the individual filter (lowpass / bandpass / highpass).  
99              int                     ActiveVoiceCount;      ///< number of currently active voices (this value will be returned for public calls)              int                     ActiveVoiceCount;      ///< number of currently active voices (this value will be returned for public calls)
100              int                     ActiveVoiceCountTemp;  ///< number of currently active voices (for internal usage, will be used for incrementation)              int                     ActiveVoiceCountTemp;  ///< number of currently active voices (for internal usage, will be used for incrementation)
101              int                     ActiveVoiceCountMax;   ///< the maximum voice usage since application start              int                     ActiveVoiceCountMax;   ///< the maximum voice usage since application start
# Line 122  namespace LinuxSampler { namespace gig { Line 122  namespace LinuxSampler { namespace gig {
122              void ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent);              void ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent);
123              void ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent);              void ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent);
124              void ProcessSysex(Pool<Event>::Iterator& itSysexEvent);              void ProcessSysex(Pool<Event>::Iterator& itSysexEvent);
125              Pool<Voice>::Iterator LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing);              Pool<Voice>::Iterator LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing, bool HandleKeyGroupConflicts);
126              int  StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent);              int  StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent);
127              void FreeVoice(EngineChannel* pEngineChannel, Pool<Voice>::Iterator& itVoice);              void FreeVoice(EngineChannel* pEngineChannel, Pool<Voice>::Iterator& itVoice);
128              void FreeKey(EngineChannel* pEngineChannel, midi_key_info_t* pKey);              void FreeKey(EngineChannel* pEngineChannel, midi_key_info_t* pKey);
             void ResetSynthesisParameters(Event::destination_t dst, float val);  
129              void ResetInternal();              void ResetInternal();
130              void ResetScaleTuning();              void ResetScaleTuning();
131    
# Line 136  namespace LinuxSampler { namespace gig { Line 135  namespace LinuxSampler { namespace gig {
135              void DisableAndLock(); // FIXME: should at least be protected              void DisableAndLock(); // FIXME: should at least be protected
136    
137              friend class Voice;              friend class Voice;
             friend class EGADSR;  
             friend class EGDecay;  
             friend class VCAManipulator;  
             friend class VCFCManipulator;  
             friend class VCOManipulator;  
138          private:          private:
139              ArrayList<EngineChannel*> engineChannels; ///< All engine channels of a gig::Engine instance.              ArrayList<EngineChannel*> engineChannels; ///< All engine channels of a gig::Engine instance.
140    
141              static std::map<AudioOutputDevice*,Engine*> engines; ///< All instances of gig::Engine.              static std::map<AudioOutputDevice*,Engine*> engines; ///< All instances of gig::Engine.
142    
143                int SostenutoKeys[128];
144                int SostenutoKeyCount;
145    
146              uint8_t GSCheckSum(const RingBuffer<uint8_t>::NonVolatileReader AddrReader, uint DataSize);              uint8_t GSCheckSum(const RingBuffer<uint8_t>::NonVolatileReader AddrReader, uint DataSize);
147              void    AdjustScale(int8_t ScaleTunes[12]);              void    AdjustScale(int8_t ScaleTunes[12]);
148              void    ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent);              void    ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent);
149              void    KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent);              void    KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent);
150                bool    ShouldReleaseVoice(EngineChannel* pEngineChannel, int Key);
151                static float* InitVolumeCurve();
152                static float* InitPanCurve();
153                static float* InitCrossfadeCurve();
154                static float* InitCurve(const float* segments, int size = 128);
155    
156              unsigned long FrameTime; ///< Time in frames of the start of the current audio fragment              unsigned long FrameTime; ///< Time in frames of the start of the current audio fragment
157      };      };
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