/[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 233 by schoenebeck, Tue Sep 7 09:32:21 2004 UTC revision 236 by schoenebeck, Thu Sep 9 18:44:18 2004 UTC
# Line 105  namespace LinuxSampler { namespace gig { Line 105  namespace LinuxSampler { namespace gig {
105              // Attributes              // Attributes
106              gig::Engine*                pEngine;            ///< Pointer to the sampler engine, to be able to access the event lists.              gig::Engine*                pEngine;            ///< Pointer to the sampler engine, to be able to access the event lists.
107              float                       Volume;             ///< Volume level of the voice              float                       Volume;             ///< Volume level of the voice
108                float                       CrossfadeVolume;    ///< Current attenuation level caused by a crossfade (only if a crossfade is defined of course)
109              double                      Pos;                ///< Current playback position in sample              double                      Pos;                ///< Current playback position in sample
110              double                      PitchBase;          ///< Basic pitch depth, stays the same for the whole life time of the voice              double                      PitchBase;          ///< Basic pitch depth, stays the same for the whole life time of the voice
111              double                      PitchBend;          ///< Current pitch value of the pitchbend wheel              double                      PitchBend;          ///< Current pitch value of the pitchbend wheel
112              ::gig::Sample*              pSample;            ///< Pointer to the sample to be played back              ::gig::Sample*              pSample;            ///< Pointer to the sample to be played back
113              ::gig::Region*              pRegion;            ///< Pointer to the articulation information of the respective keyboard region of this voice              ::gig::Region*              pRegion;            ///< Pointer to the articulation information of the respective keyboard region of this voice
114                ::gig::DimensionRegion*     pDimRgn;            ///< Pointer to the articulation information of current dimension region of this voice
115              bool                        Active;             ///< If this voice object is currently in usage              bool                        Active;             ///< If this voice object is currently in usage
116              playback_state_t            PlaybackState;      ///< When a sample will be triggered, it will be first played from RAM cache and after a couple of sample points it will switch to disk streaming and at the end of a disk stream we have to add null samples, so the interpolator can do it's work correctly              playback_state_t            PlaybackState;      ///< When a sample will be triggered, it will be first played from RAM cache and after a couple of sample points it will switch to disk streaming and at the end of a disk stream we have to add null samples, so the interpolator can do it's work correctly
117              bool                        DiskVoice;          ///< If the sample is very short it completely fits into the RAM cache and doesn't need to be streamed from disk, in that case this flag is set to false              bool                        DiskVoice;          ///< If the sample is very short it completely fits into the RAM cache and doesn't need to be streamed from disk, in that case this flag is set to false
# Line 224  namespace LinuxSampler { namespace gig { Line 226  namespace LinuxSampler { namespace gig {
226                  this->Pos += pitch;                  this->Pos += pitch;
227              }              }
228    
229                inline float CrossfadeAttenuation(uint8_t& CrossfadeControllerValue) {
230                    return (CrossfadeControllerValue <= pDimRgn->Crossfade.in_start)  ? 0.0f
231                         : (CrossfadeControllerValue < pDimRgn->Crossfade.in_end)     ? float(CrossfadeControllerValue - pDimRgn->Crossfade.in_start) / float(pDimRgn->Crossfade.in_end - pDimRgn->Crossfade.in_start)
232                         : (CrossfadeControllerValue <= pDimRgn->Crossfade.out_start) ? 1.0f
233                         : (CrossfadeControllerValue < pDimRgn->Crossfade.out_end)    ? float(CrossfadeControllerValue - pDimRgn->Crossfade.out_start) / float(pDimRgn->Crossfade.out_end - pDimRgn->Crossfade.out_start)
234                         : 0.0f;
235                }
236    
237              inline float Constrain(float ValueToCheck, float Min, float Max) {              inline float Constrain(float ValueToCheck, float Min, float Max) {
238                  if      (ValueToCheck > Max) ValueToCheck = Max;                  if      (ValueToCheck > Max) ValueToCheck = Max;
239                  else if (ValueToCheck < Min) ValueToCheck = Min;                  else if (ValueToCheck < Min) ValueToCheck = Min;
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