/[svn]/linuxsampler/trunk/src/engines/gig/Engine.h
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revision 438 by persson, Wed Mar 9 22:12:15 2005 UTC revision 475 by schoenebeck, Thu Mar 17 23:56:56 2005 UTC
# Line 35  Line 35 
35  #include "EngineGlobals.h"  #include "EngineGlobals.h"
36  #include "../../common/RingBuffer.h"  #include "../../common/RingBuffer.h"
37  #include "../../common/Pool.h"  #include "../../common/Pool.h"
38    #include "../../common/ArrayList.h"
39  #include "../../common/ConditionServer.h"  #include "../../common/ConditionServer.h"
40  #include "../common/Engine.h"  #include "../common/Engine.h"
41  #include "../common/Event.h"  #include "../common/Event.h"
# Line 43  Line 44 
44  #include "../../network/lscp.h"  #include "../../network/lscp.h"
45  #include "EngineChannel.h"  #include "EngineChannel.h"
46    
47    // identifier of this sampler engine
48    #define LS_GIG_ENGINE_NAME "GigEngine"
49    
50  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
51    
52      // just symbol prototyping      // just symbol prototyping
# Line 90  namespace LinuxSampler { namespace gig { Line 94  namespace LinuxSampler { namespace gig {
94              Pool<Voice>*            pVoicePool;            ///< Contains all voices that can be activated.              Pool<Voice>*            pVoicePool;            ///< Contains all voices that can be activated.
95              EventGenerator*         pEventGenerator;              EventGenerator*         pEventGenerator;
96              RTList<Event>*          pVoiceStealingQueue;   ///< All voice-launching events which had to be postponed due to free voice shortage.              RTList<Event>*          pVoiceStealingQueue;   ///< All voice-launching events which had to be postponed due to free voice shortage.
97              RTList<Event>*          pEvents;               ///< All events for the current audio fragment.              RTList<Event>*          pGlobalEvents;         ///< All engine global events for the current audio fragment (usually only SysEx messages).
98              Pool<Event>*            pEventPool;            ///< Contains all Event objects that can be used.              Pool<Event>*            pEventPool;            ///< Contains all Event objects that can be used.
             RTList<Event>*          pCCEvents;             ///< All control change events for the current audio fragment.  
99              RingBuffer<uint8_t>*    pSysexBuffer;          ///< Input buffer for MIDI system exclusive messages.              RingBuffer<uint8_t>*    pSysexBuffer;          ///< Input buffer for MIDI system exclusive messages.
             RTList<Event>*          pSynthesisEvents[Event::destination_count];     ///< Events directly affecting synthesis parameter (like pitch, volume and filter).  
100              float*                  pSynthesisParameters[Event::destination_count]; ///< Matrix with final synthesis parameters for the current audio fragment which will be used in the main synthesis loop.              float*                  pSynthesisParameters[Event::destination_count]; ///< Matrix with final synthesis parameters for the current audio fragment which will be used in the main synthesis loop.
101              biquad_param_t*         pBasicFilterParameters; ///< Biquad parameters of the basic bandpass filter.              biquad_param_t*         pBasicFilterParameters; ///< Biquad parameters of the basic bandpass filter.
102              biquad_param_t*         pMainFilterParameters;  ///< Main biquad parameters of the individual filter (lowpass / bandpass / highpass).              biquad_param_t*         pMainFilterParameters;  ///< Main biquad parameters of the individual filter (lowpass / bandpass / highpass).
103              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)
104              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)
105              int                     ActiveVoiceCountMax;   ///< the maximum voice usage since application start              int                     ActiveVoiceCountMax;   ///< the maximum voice usage since application start
106                int                     VoiceTheftsLeft;       ///< We only allow MAX_AUDIO_VOICES voices to be stolen per audio fragment, we use this variable to ensure this limit.
107                RTList<Voice>::Iterator itLastStolenVoice;     ///< Only for voice stealing: points to the last voice which was theft in current audio fragment, NULL otherwise.
108                RTList<uint>::Iterator  iuiLastStolenKey;      ///< Only for voice stealing: key number of last key on which the last voice was theft in current audio fragment, NULL otherwise.
109                EngineChannel*          pLastStolenChannel;    ///< Only for voice stealing: points to the engine channel on which the previous voice was stolen in this audio fragment.
110              bool                    SuspensionRequested;              bool                    SuspensionRequested;
111              ConditionServer         EngineDisabled;              ConditionServer         EngineDisabled;
112              int8_t                  ScaleTuning[12];       ///< contains optional detune factors (-64..+63 cents) for all 12 semitones of an octave              int8_t                  ScaleTuning[12];       ///< contains optional detune factors (-64..+63 cents) for all 12 semitones of an octave
113              int                     MaxFadeOutPos;         ///< The last position in an audio fragment to allow an instant fade out (e.g. for voice stealing) without leading to clicks.              int                     MaxFadeOutPos;         ///< The last position in an audio fragment to allow an instant fade out (e.g. for voice stealing) without leading to clicks.
114              uint32_t                RandomSeed;            ///< State of the random number generator used by the random dimension.              uint32_t                RandomSeed;            ///< State of the random number generator used by the random dimension.
115    
116              void RenderAudio(EngineChannel* pEngineChannel, uint Samples);              void ProcessEvents(EngineChannel* pEngineChannel, uint Samples);
117                void RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples);
118                void RenderStolenVoices(uint Samples);
119                void PostProcess(EngineChannel* pEngineChannel);
120              void ClearEventLists();              void ClearEventLists();
121              void ImportEvents(RingBuffer<Event>* pEventQueue, uint Samples);              void ImportEvents(uint Samples);
122              void ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent);              void ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent);
123              void ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent);              void ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent);
124              void ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent);              void ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent);
125              void ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent);              void ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent);
126              void ProcessSysex(Pool<Event>::Iterator& itSysexEvent);              void ProcessSysex(Pool<Event>::Iterator& itSysexEvent);
127              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);
128              void StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent);              int  StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent);
129              void FreeVoice(EngineChannel* pEngineChannel, Pool<Voice>::Iterator& itVoice);              void FreeVoice(EngineChannel* pEngineChannel, Pool<Voice>::Iterator& itVoice);
130              void FreeKey(EngineChannel* pEngineChannel, midi_key_info_t* pKey);              void FreeKey(EngineChannel* pEngineChannel, midi_key_info_t* pKey);
131              void ResetSynthesisParameters(Event::destination_t dst, float val);              void ResetSynthesisParameters(Event::destination_t dst, float val);
# Line 134  namespace LinuxSampler { namespace gig { Line 143  namespace LinuxSampler { namespace gig {
143              friend class VCFCManipulator;              friend class VCFCManipulator;
144              friend class VCOManipulator;              friend class VCOManipulator;
145          private:          private:
146              std::list<EngineChannel*> engineChannels; ///< All engine channels of a gig::Engine instance.              ArrayList<EngineChannel*> engineChannels; ///< All engine channels of a gig::Engine instance.
147    
148              static std::map<AudioOutputDevice*,Engine*> engines; ///< All instances of gig::Engine.              static std::map<AudioOutputDevice*,Engine*> engines; ///< All instances of gig::Engine.
149    
150              uint8_t GSCheckSum(const RingBuffer<uint8_t>::NonVolatileReader AddrReader, uint DataSize);              uint8_t GSCheckSum(const RingBuffer<uint8_t>::NonVolatileReader AddrReader, uint DataSize);
151              void    AdjustScale(int8_t ScaleTunes[12]);              void    AdjustScale(int8_t ScaleTunes[12]);
152                void    ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent);
153                void    KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent);
154      };      };
155    
156  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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