/[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 324 by senkov, Sat Dec 18 18:54:46 2004 UTC revision 330 by schoenebeck, Wed Dec 29 01:14:15 2004 UTC
# Line 61  namespace LinuxSampler { namespace gig { Line 61  namespace LinuxSampler { namespace gig {
61    
62          // select synthesis implementation (currently either pure C++ or MMX+SSE(1))          // select synthesis implementation (currently either pure C++ or MMX+SSE(1))
63          SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());          SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE());
64            SYNTHESIS_MODE_SET_PROFILING(SynthesisMode, true);
65      }      }
66    
67      Voice::~Voice() {      Voice::~Voice() {
# Line 693  namespace LinuxSampler { namespace gig { Line 694  namespace LinuxSampler { namespace gig {
694                          }                          }
695                          DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos));                          DiskStreamRef.pStream->IncrementReadPos(pSample->Channels * (int(Pos) - MaxRAMPos));
696                          Pos -= int(Pos);                          Pos -= int(Pos);
697                            RealSampleWordsLeftToRead = -1; // -1 means no silence has been added yet
698                      }                      }
699    
700                      const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace();                      const int sampleWordsLeftToRead = DiskStreamRef.pStream->GetReadSpace();
# Line 701  namespace LinuxSampler { namespace gig { Line 703  namespace LinuxSampler { namespace gig {
703                      if (DiskStreamRef.State == Stream::state_end) {                      if (DiskStreamRef.State == Stream::state_end) {
704                          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
705                          if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) {                          if (sampleWordsLeftToRead <= maxSampleWordsPerCycle) {
706                                // remember how many sample words there are before any silence has been added
707                                if (RealSampleWordsLeftToRead < 0) RealSampleWordsLeftToRead = sampleWordsLeftToRead;
708                              DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead);                              DiskStreamRef.pStream->WriteSilence(maxSampleWordsPerCycle - sampleWordsLeftToRead);
709                          }                          }
710                      }                      }
# Line 716  namespace LinuxSampler { namespace gig { Line 720  namespace LinuxSampler { namespace gig {
720                      Pos -= iPos; // just keep fractional part of Pos                      Pos -= iPos; // just keep fractional part of Pos
721    
722                      // 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
723                      if (DiskStreamRef.State == Stream::state_end && readSampleWords >= sampleWordsLeftToRead) this->PlaybackState = playback_state_end;                      if (RealSampleWordsLeftToRead >= 0) {
724                            RealSampleWordsLeftToRead -= readSampleWords;
725                            if (RealSampleWordsLeftToRead <= 0) this->PlaybackState = playback_state_end;
726                        }
727                  }                  }
728                  break;                  break;
729    
# Line 979  namespace LinuxSampler { namespace gig { Line 986  namespace LinuxSampler { namespace gig {
986       *  @param pSrc    - pointer to input sample data       *  @param pSrc    - pointer to input sample data
987       *  @param Skip    - number of sample points to skip in output buffer       *  @param Skip    - number of sample points to skip in output buffer
988       */       */
989      void Voice::Synthesize(uint Samples, sample_t* pSrc, int Skip) {      void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) {
990          UpdateSynthesisMode();          RunSynthesisFunction(SynthesisMode, *this, Samples, pSrc, Skip);
         SynthesizeFragment_Fn* f = (SynthesizeFragment_Fn*) SynthesizeFragmentFnPtr;  
         f(*this, Samples, pSrc, Skip);  
     }  
   
     /**  
      *  Determine the respective synthesis function for the given synthesis  
      *  mode.  
      */  
     void Voice::UpdateSynthesisMode() {  
         SynthesizeFragmentFnPtr = GetSynthesisFunction(SynthesisMode);  
991      }      }
992    
993      /**      /**
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