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

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revision 770 by schoenebeck, Sun Sep 11 15:56:29 2005 UTC revision 831 by persson, Sat Jan 28 16:55:30 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 122  namespace LinuxSampler { namespace gig { Line 122  namespace LinuxSampler { namespace gig {
122              int  Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup);              int  Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup);
123              inline bool IsActive() { return PlaybackState; }              inline bool IsActive() { return PlaybackState; }
124              inline bool IsStealable() { return !itKillEvent && PlaybackState >= playback_state_ram; }              inline bool IsStealable() { return !itKillEvent && PlaybackState >= playback_state_ram; }
125                void UpdatePortamentoPos(Pool<Event>::Iterator& itNoteOffEvent);
126    
127          //private:          //private:
128              // Types              // Types
129              enum playback_state_t {              enum playback_state_t {
# Line 138  namespace LinuxSampler { namespace gig { Line 140  namespace LinuxSampler { namespace gig {
140              float                       PanLeft;              float                       PanLeft;
141              float                       PanRight;              float                       PanRight;
142              float                       CrossfadeVolume;    ///< Current attenuation level caused by a crossfade (only if a crossfade is defined of course)              float                       CrossfadeVolume;    ///< Current attenuation level caused by a crossfade (only if a crossfade is defined of course)
143              //double                      Pos;                ///< Current playback position in sample              double                      Pos;                ///< Current playback position in sample
144              float                       PitchBase;          ///< Basic pitch depth, stays the same for the whole life time of the voice              float                       PitchBase;          ///< Basic pitch depth, stays the same for the whole life time of the voice
145              float                       PitchBend;          ///< Current pitch value of the pitchbend wheel              float                       PitchBend;          ///< Current pitch value of the pitchbend wheel
146              float                       CutoffBase;         ///< Cutoff frequency before control change, EG and LFO are applied              float                       CutoffBase;         ///< Cutoff frequency before control change, EG and LFO are applied
# Line 188  namespace LinuxSampler { namespace gig { Line 190  namespace LinuxSampler { namespace gig {
190              void processCrossFadeEvent(RTList<Event>::Iterator& itEvent);              void processCrossFadeEvent(RTList<Event>::Iterator& itEvent);
191              void processCutoffEvent(RTList<Event>::Iterator& itEvent);              void processCutoffEvent(RTList<Event>::Iterator& itEvent);
192              void processResonanceEvent(RTList<Event>::Iterator& itEvent);              void processResonanceEvent(RTList<Event>::Iterator& itEvent);
193                float getVolume();
194    
195              inline float CrossfadeAttenuation(uint8_t& CrossfadeControllerValue) {              inline float CrossfadeAttenuation(uint8_t& CrossfadeControllerValue) {
196                  float att = (!pDimRgn->Crossfade.out_end) ? CrossfadeControllerValue / 127.0f /* 0,0,0,0 means no crossfade defined */                  uint8_t c = std::max(CrossfadeControllerValue, pDimRgn->AttenuationControllerThreshold);
197                            : (CrossfadeControllerValue < pDimRgn->Crossfade.in_end) ?                  float att = (!pDimRgn->Crossfade.out_end) ? c / 127.0f /* 0,0,0,0 means no crossfade defined */
198                                  ((CrossfadeControllerValue <= pDimRgn->Crossfade.in_start) ? 0.0f                            : (c < pDimRgn->Crossfade.in_end) ?
199                                  : float(CrossfadeControllerValue - pDimRgn->Crossfade.in_start) / float(pDimRgn->Crossfade.in_end - pDimRgn->Crossfade.in_start))                                  ((c <= pDimRgn->Crossfade.in_start) ? 0.0f
200                            : (CrossfadeControllerValue <= pDimRgn->Crossfade.out_start) ? 1.0f                                  : float(c - pDimRgn->Crossfade.in_start) / float(pDimRgn->Crossfade.in_end - pDimRgn->Crossfade.in_start))
201                            : (CrossfadeControllerValue < pDimRgn->Crossfade.out_end) ? float(pDimRgn->Crossfade.out_end - CrossfadeControllerValue) / float(pDimRgn->Crossfade.out_end - pDimRgn->Crossfade.out_start)                            : (c <= pDimRgn->Crossfade.out_start) ? 1.0f
202                              : (c < pDimRgn->Crossfade.out_end) ? float(pDimRgn->Crossfade.out_end - c) / float(pDimRgn->Crossfade.out_end - pDimRgn->Crossfade.out_start)
203                            : 0.0f;                            : 0.0f;
204                  return pDimRgn->InvertAttenuationController ? 1 - att : att;                  return pDimRgn->InvertAttenuationController ? 1 - att : att;
205              }              }
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