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

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revision 2448 by schoenebeck, Fri May 3 14:26:32 2013 UTC revision 2931 by schoenebeck, Sat Jul 9 14:38:33 2016 UTC
# Line 32  Line 32 
32  #include "../common/Pool.h"  #include "../common/Pool.h"
33  #include "../common/RingBuffer.h"  #include "../common/RingBuffer.h"
34  #include "../common/ChangeFlagRelaxed.h"  #include "../common/ChangeFlagRelaxed.h"
35    #include "../common/ResourceManager.h"
36  #include "../drivers/audio/AudioOutputDevice.h"  #include "../drivers/audio/AudioOutputDevice.h"
37  #include "common/Event.h"  #include "common/Event.h"
38    #include "common/Note.h"
39  #include "common/SignalUnitRack.h"  #include "common/SignalUnitRack.h"
40    #include "common/InstrumentScriptVM.h"
41    
42  namespace LinuxSampler {  namespace LinuxSampler {
43    
# Line 69  namespace LinuxSampler { Line 72  namespace LinuxSampler {
72    
73              void SetVoiceCount(uint Count);              void SetVoiceCount(uint Count);
74    
75                /**
76                 * Returns event with the given event ID.
77                 */
78                RTList<Event>::Iterator EventByID(event_id_t id) {
79                    return pEventPool->fromID(id);
80                }
81    
82                virtual NoteBase* NoteByID(note_id_t id) = 0;
83    
84              float Random() {              float Random() {
85                  RandomSeed = RandomSeed * 1103515245 + 12345; // classic pseudo random number generator                  RandomSeed = RandomSeed * 1103515245 + 12345; // classic pseudo random number generator
86                  return RandomSeed / 4294967296.0f;                  return RandomSeed / 4294967296.0f;
# Line 89  namespace LinuxSampler { Line 101  namespace LinuxSampler {
101              static const FloatTable PanCurve;       ///< Table that maps pan control change values 0..128 to right channel amplitude. Unity gain is at 64 (center).              static const FloatTable PanCurve;       ///< Table that maps pan control change values 0..128 to right channel amplitude. Unity gain is at 64 (center).
102              static const FloatTable CrossfadeCurve; ///< Table that maps crossfade control change values 0..127 to amplitude. Unity gain is at 127.              static const FloatTable CrossfadeCurve; ///< Table that maps crossfade control change values 0..127 to amplitude. Unity gain is at 127.
103    
104                static float PanCurveValueNorm(float pan, int channel);
105    
106              AudioOutputDevice* pAudioOutputDevice;              AudioOutputDevice* pAudioOutputDevice;
107                            
108              //TODO: should be protected              //TODO: should be protected
# Line 100  namespace LinuxSampler { Line 114  namespace LinuxSampler {
114              template<class V, class R, class I> friend class EngineChannelBase;              template<class V, class R, class I> friend class EngineChannelBase;
115              template<class EC, class R, class S, class D> friend class VoiceBase;              template<class EC, class R, class S, class D> friend class VoiceBase;
116    
117          protected:          //protected:
118              ArrayList<EngineChannel*>  engineChannels; ///< All engine channels of a Engine instance.              ArrayList<EngineChannel*>  engineChannels; ///< All engine channels of a Engine instance.
119              ConditionServer            EngineDisabled;              ConditionServer            EngineDisabled;
120              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
# Line 116  namespace LinuxSampler { Line 130  namespace LinuxSampler {
130              int                        ActiveVoiceCountMax;   ///< the maximum voice usage since application start              int                        ActiveVoiceCountMax;   ///< the maximum voice usage since application start
131              atomic_t                   ActiveVoiceCount;      ///< number of currently active voices              atomic_t                   ActiveVoiceCount;      ///< number of currently active voices
132              int                        VoiceSpawnsLeft;       ///< We only allow CONFIG_MAX_VOICES voices to be spawned per audio fragment, we use this variable to ensure this limit.              int                        VoiceSpawnsLeft;       ///< We only allow CONFIG_MAX_VOICES voices to be spawned per audio fragment, we use this variable to ensure this limit.
133                InstrumentScriptVM*        pScriptVM; ///< Real-time instrument script virtual machine runner for this engine.
134    
135              void RouteAudio(EngineChannel* pEngineChannel, uint Samples);              void RouteAudio(EngineChannel* pEngineChannel, uint Samples);
136              void RouteDedicatedVoiceChannels(EngineChannel* pEngineChannel, optional<float> FxSendLevels[2], uint Samples);              void RouteDedicatedVoiceChannels(EngineChannel* pEngineChannel, optional<float> FxSendLevels[2], uint Samples);
# Line 136  namespace LinuxSampler { Line 151  namespace LinuxSampler {
151              virtual void ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) = 0;              virtual void ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) = 0;
152              virtual void ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) = 0;              virtual void ProcessNoteOff(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOffEvent) = 0;
153              virtual void ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) = 0;              virtual void ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) = 0;
154                virtual void ProcessChannelPressure(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itChannelPressureEvent) = 0;
155                virtual void ProcessPolyphonicKeyPressure(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNotePressureEvent) = 0;
156                virtual void ProcessReleaseTrigger(EngineChannel* pEngineChannel, RTList<Event>::Iterator& itEvent) = 0;
157              virtual int  GetMinFadeOutSamples() = 0;              virtual int  GetMinFadeOutSamples() = 0;
158                virtual note_id_t LaunchNewNote(LinuxSampler::EngineChannel* pEngineChannel, Event* pNoteOnEvent) = 0;
159                virtual void CreateInstrumentScriptVM();
160    
161          private:          private:
162              static std::map<Format, std::map<AudioOutputDevice*,AbstractEngine*> > engines;              static std::map<Format, std::map<AudioOutputDevice*,AbstractEngine*> > engines;
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