/[svn]/linuxsampler/trunk/src/engines/gig/Engine.h
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revision 831 by persson, Sat Jan 28 16:55:30 2006 UTC revision 947 by schoenebeck, Mon Nov 27 21:34:55 2006 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                              *   *   Copyright (C) 2005, 2006 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 34  Line 34 
34  #include "../../common/Pool.h"  #include "../../common/Pool.h"
35  #include "../../common/ArrayList.h"  #include "../../common/ArrayList.h"
36  #include "../../common/ConditionServer.h"  #include "../../common/ConditionServer.h"
37  #include "../common/Engine.h"  #include "../Engine.h"
38  #include "../common/Event.h"  #include "../common/Event.h"
39  #include "../../network/lscp.h"  #include "../../network/lscp.h"
40  #include "EngineChannel.h"  #include "EngineChannel.h"
# Line 77  namespace LinuxSampler { namespace gig { Line 77  namespace LinuxSampler { namespace gig {
77              virtual String Description();              virtual String Description();
78              virtual String Version();              virtual String Version();
79              virtual String EngineName();              virtual String EngineName();
80                virtual InstrumentManager* GetInstrumentManager();
81    
82              static const float* VolumeCurve; ///< Table that maps volume control change values 0..127 to amplitude. Unity gain is at 90.              static const float* VolumeCurve;    ///< Table that maps volume control change values 0..127 to amplitude. Unity gain is at 90.
83              static const float* PanCurve;    ///< Table that maps pan control change values 0..128 to right channel amplitude. Unity gain is at 64 (center).              static const float* PanCurve;       ///< Table that maps pan control change values 0..128 to right channel amplitude. Unity gain is at 64 (center).
84                static const float* CrossfadeCurve; ///< Table that maps crossfade control change values 0..127 to amplitude. Unity gain is at 127.
85    
86          //protected:          //protected:
87              static InstrumentResourceManager instruments;              static InstrumentResourceManager instruments;
# Line 109  namespace LinuxSampler { namespace gig { Line 111  namespace LinuxSampler { namespace gig {
111              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
112              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.
113              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.
114                Mutex                   ResetInternalMutex;    ///< Mutex to protect the ResetInternal function for concurrent usage (e.g. by the lscp and instrument loader threads).
115    
116              void ProcessEvents(EngineChannel* pEngineChannel, uint Samples);              void ProcessEvents(EngineChannel* pEngineChannel, uint Samples);
117              void RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples);              void RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples);
# Line 149  namespace LinuxSampler { namespace gig { Line 152  namespace LinuxSampler { namespace gig {
152              bool    ShouldReleaseVoice(EngineChannel* pEngineChannel, int Key);              bool    ShouldReleaseVoice(EngineChannel* pEngineChannel, int Key);
153              static float* InitVolumeCurve();              static float* InitVolumeCurve();
154              static float* InitPanCurve();              static float* InitPanCurve();
155                static float* InitCrossfadeCurve();
156              static float* InitCurve(const float* segments, int size = 128);              static float* InitCurve(const float* segments, int size = 128);
157    
158              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
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