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

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revision 325 by senkov, Tue Dec 21 04:54:37 2004 UTC revision 348 by schoenebeck, Sun Jan 23 21:24:16 2005 UTC
# Line 58  namespace LinuxSampler { namespace gig { Line 58  namespace LinuxSampler { namespace gig {
58          pLFO2  = NULL;          pLFO2  = NULL;
59          pLFO3  = NULL;          pLFO3  = NULL;
60          KeyGroup = 0;          KeyGroup = 0;
61            SynthesisMode = 0; //Set all mode bits to 0 first
62    
63          // select synthesis implementation (currently either pure C++ or MMX+SSE(1))          // select synthesis implementation (currently either pure C++ or MMX+SSE(1))
64          SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());          SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());
# Line 145  namespace LinuxSampler { namespace gig { Line 146  namespace LinuxSampler { namespace gig {
146    
147          // get current dimension values to select the right dimension region          // get current dimension values to select the right dimension region
148          //FIXME: controller values for selecting the dimension region here are currently not sample accurate          //FIXME: controller values for selecting the dimension region here are currently not sample accurate
149          uint DimValues[5] = {0,0,0,0,0};          uint DimValues[8] = { 0 };
150          for (int i = pRegion->Dimensions - 1; i >= 0; i--) {          for (int i = pRegion->Dimensions - 1; i >= 0; i--) {
151              switch (pRegion->pDimensionDefinitions[i].dimension) {              switch (pRegion->pDimensionDefinitions[i].dimension) {
152                  case ::gig::dimension_samplechannel:                  case ::gig::dimension_samplechannel:
# Line 247  namespace LinuxSampler { namespace gig { Line 248  namespace LinuxSampler { namespace gig {
248                      std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush;                      std::cerr << "gig::Voice::Trigger() Error: Unknown dimension\n" << std::flush;
249              }              }
250          }          }
251          pDimRgn = pRegion->GetDimensionRegionByValue(DimValues[4],DimValues[3],DimValues[2],DimValues[1],DimValues[0]);          pDimRgn = pRegion->GetDimensionRegionByValue(DimValues);
252    
253          pSample = pDimRgn->pSample; // sample won't change until the voice is finished          pSample = pDimRgn->pSample; // sample won't change until the voice is finished
254    
# Line 309  namespace LinuxSampler { namespace gig { Line 310  namespace LinuxSampler { namespace gig {
310    
311          // calculate initial pitch value          // calculate initial pitch value
312          {          {
313              double pitchbasecents = pDimRgn->FineTune * 10 + (int) pEngine->ScaleTuning[MIDIKey % 12];              double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12];
314              if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100;              if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100;
315              this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate()));              this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->pAudioOutputDevice->SampleRate()));
316              this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents              this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents
# Line 694  namespace LinuxSampler { namespace gig { Line 695  namespace LinuxSampler { namespace gig {
695                          }                          }
696                          DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos));                          DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos));
697                          Pos -= int(Pos);                          Pos -= int(Pos);
698                            RealSampleWordsLeftToRead = -1; // -1 means no silence has been added yet
699                      }                      }
700    
701                      const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace();                      const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace();
# Line 702  namespace LinuxSampler { namespace gig { Line 704  namespace LinuxSampler { namespace gig {
704                      if (DiskStreamRef.State == Stream::state_end) {                      if (DiskStreamRef.State == Stream::state_end) {
705                          const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm                          const int maxSampleWordsPerCycle = (pEngine->MaxSamplesPerCycle << MAX_PITCH) * pSample->Channels + 6; // +6 for the interpolator algorithm
706                          if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) {                          if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) {
707                                // remember how many sample words there are before any silence has been added
708                                if (RealSampleWordsLeftToRead < 0) RealSampleWordsLeftToRead = sampleWordsLeftToRead;
709                              DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead);                              DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead);
710                          }                          }
711                      }                      }
# Line 717  namespace LinuxSampler { namespace gig { Line 721  namespace LinuxSampler { namespace gig {
721                      Pos -= iPos; // just keep fractional part of Pos                      Pos -= iPos; // just keep fractional part of Pos
722    
723                      // change state of voice to 'end' if we really reached the end of the sample data                      // change state of voice to 'end' if we really reached the end of the sample data
724                      if (DiskStreamRef.State == Stream::state_end && readSampleWords >= sampleWordsLeftToRead) this->PlaybackState = playback_state_end;                      if (RealSampleWordsLeftToRead >= 0) {
725                            RealSampleWordsLeftToRead -= readSampleWords;
726                            if (RealSampleWordsLeftToRead <= 0) this->PlaybackState = playback_state_end;
727                        }
728                  }                  }
729                  break;                  break;
730    
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