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

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

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

revision 1001 by schoenebeck, Wed Dec 27 16:17:08 2006 UTC revision 1764 by persson, Sat Sep 6 14:55:18 2008 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
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, 2006 Christian Schoenebeck                        *   *   Copyright (C) 2005-2008 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 33  Line 33 
33  #include "../../common/RingBuffer.h"  #include "../../common/RingBuffer.h"
34  #include "../../common/Pool.h"  #include "../../common/Pool.h"
35  #include "../../common/ArrayList.h"  #include "../../common/ArrayList.h"
36    #include "../../common/Condition.h"
37  #include "../../common/ConditionServer.h"  #include "../../common/ConditionServer.h"
38  #include "../Engine.h"  #include "../Engine.h"
39  #include "../common/Event.h"  #include "../common/Event.h"
# Line 60  namespace LinuxSampler { namespace gig { Line 61  namespace LinuxSampler { namespace gig {
61              Engine();              Engine();
62              virtual ~Engine();              virtual ~Engine();
63              void Connect(AudioOutputDevice* pAudioOut);              void Connect(AudioOutputDevice* pAudioOut);
64                void SuspendAll();
65                void ResumeAll();
66                void Suspend(::gig::Region* pRegion);
67                void Resume(::gig::Region* pRegion);
68    
69              // implementation of abstract methods derived from class 'LinuxSampler::Engine'              // implementation of abstract methods derived from class 'LinuxSampler::Engine'
70              virtual int    RenderAudio(uint Samples);              virtual int    RenderAudio(uint Samples);
71              virtual void   SendSysex(void* pData, uint Size);              virtual void   SendSysex(void* pData, uint Size, MidiInputPort* pSender);
72              virtual void   Reset();              virtual void   Reset();
73              virtual void   Enable();              virtual void   Enable();
74              virtual void   Disable();              virtual void   Disable();
# Line 79  namespace LinuxSampler { namespace gig { Line 84  namespace LinuxSampler { namespace gig {
84              virtual String EngineName();              virtual String EngineName();
85              virtual InstrumentManager* GetInstrumentManager();              virtual InstrumentManager* GetInstrumentManager();
86    
87              static const float* VolumeCurve;    ///< Table that maps volume control change values 0..127 to amplitude. Unity gain is at 90.              // Simple array wrapper just to make sure memory is freed
88              static const float* PanCurve;       ///< Table that maps pan control change values 0..128 to right channel amplitude. Unity gain is at 64 (center).              // when liblinuxsampler is unloaded
89              static const float* CrossfadeCurve; ///< Table that maps crossfade control change values 0..127 to amplitude. Unity gain is at 127.              class FloatTable {
90                private:
91                    const float* array;
92                public:
93                    FloatTable(const float* array) : array(array) { }
94                    ~FloatTable() { delete[] array; }
95                    const float& operator[](int i) const { return array[i]; }
96                };
97    
98                static const FloatTable VolumeCurve;    ///< Table that maps volume control change values 0..127 to amplitude. Unity gain is at 90.
99                static const FloatTable PanCurve;       ///< Table that maps pan control change values 0..128 to right channel amplitude. Unity gain is at 64 (center).
100                static const FloatTable CrossfadeCurve; ///< Table that maps crossfade control change values 0..127 to amplitude. Unity gain is at 127.
101    
102          //protected:          //protected:
103              static InstrumentResourceManager instruments;              static InstrumentResourceManager instruments;
# Line 109  namespace LinuxSampler { namespace gig { Line 125  namespace LinuxSampler { namespace gig {
125              bool                    SuspensionRequested;              bool                    SuspensionRequested;
126              ConditionServer         EngineDisabled;              ConditionServer         EngineDisabled;
127              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
128              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                     MinFadeOutSamples;     ///< The number of samples needed to make an instant fade out (e.g. for voice stealing) without leading to clicks.
129              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.
130              Mutex                   ResetInternalMutex;    ///< Mutex to protect the ResetInternal function for concurrent usage (e.g. by the lscp and instrument loader threads).              Mutex                   ResetInternalMutex;    ///< Mutex to protect the ResetInternal function for concurrent usage (e.g. by the lscp and instrument loader threads).
131                Pool< ::gig::DimensionRegion*>* pDimRegionPool[2]; ///< Double buffered pool, used by the engine channels to keep track of dimension regions in use.
132    
133              void ProcessEvents(EngineChannel* pEngineChannel, uint Samples);              void ProcessEvents(EngineChannel* pEngineChannel, uint Samples);
134              void RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples);              void RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples);
# Line 125  namespace LinuxSampler { namespace gig { Line 142  namespace LinuxSampler { namespace gig {
142              void ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent);              void ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent);
143              void ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent);              void ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent);
144              void ProcessSysex(Pool<Event>::Iterator& itSysexEvent);              void ProcessSysex(Pool<Event>::Iterator& itSysexEvent);
145                void ProcessSuspensionsChanges();
146                void ProcessPendingStreamDeletions();
147              Pool<Voice>::Iterator LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing, bool HandleKeyGroupConflicts);              Pool<Voice>::Iterator LaunchVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int iLayer, bool ReleaseTriggerVoice, bool VoiceStealing, bool HandleKeyGroupConflicts);
148              int  StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent);              int  StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent);
149              void FreeVoice(EngineChannel* pEngineChannel, Pool<Voice>::Iterator& itVoice);              void FreeVoice(EngineChannel* pEngineChannel, Pool<Voice>::Iterator& itVoice);
150              void FreeKey(EngineChannel* pEngineChannel, midi_key_info_t* pKey);              void FreeKey(EngineChannel* pEngineChannel, midi_key_info_t* pKey);
151              void ResetInternal();              void ResetInternal();
152              void ResetScaleTuning();              void ResetScaleTuning();
153                void ResetSuspendedRegions();
154    
155              static Engine* AcquireEngine(LinuxSampler::gig::EngineChannel* pChannel, AudioOutputDevice* pDevice);              static Engine* AcquireEngine(LinuxSampler::gig::EngineChannel* pChannel, AudioOutputDevice* pDevice);
156              static void    FreeEngine(LinuxSampler::gig::EngineChannel* pChannel, AudioOutputDevice* pDevice);              static void    FreeEngine(LinuxSampler::gig::EngineChannel* pChannel, AudioOutputDevice* pDevice);
# Line 139  namespace LinuxSampler { namespace gig { Line 159  namespace LinuxSampler { namespace gig {
159    
160              friend class Voice;              friend class Voice;
161          private:          private:
162                Pool< ::gig::Region*> SuspendedRegions;
163                Mutex                 SuspendedRegionsMutex;
164                Condition             SuspensionChangeOngoing;
165                ::gig::Region*        pPendingRegionSuspension;
166                ::gig::Region*        pPendingRegionResumption;
167                int                   iPendingStreamDeletions;
168    
169              ArrayList<EngineChannel*> engineChannels; ///< All engine channels of a gig::Engine instance.              ArrayList<EngineChannel*> engineChannels; ///< All engine channels of a gig::Engine instance.
170    
171              static std::map<AudioOutputDevice*,Engine*> engines; ///< All instances of gig::Engine.              static std::map<AudioOutputDevice*,Engine*> engines; ///< All instances of gig::Engine.
# Line 151  namespace LinuxSampler { namespace gig { Line 178  namespace LinuxSampler { namespace gig {
178              void    ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent);              void    ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent);
179              void    KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent);              void    KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent);
180              bool    ShouldReleaseVoice(EngineChannel* pEngineChannel, int Key);              bool    ShouldReleaseVoice(EngineChannel* pEngineChannel, int Key);
181                bool    RegionSuspended(::gig::Region* pRegion);
182              static float* InitVolumeCurve();              static float* InitVolumeCurve();
183              static float* InitPanCurve();              static float* InitPanCurve();
184              static float* InitCrossfadeCurve();              static float* InitCrossfadeCurve();
Legend:
Removed from v.1001  
changed lines
  Added in v.1764
  ViewVC Help
Powered by ViewVC