Method Process

Source/SampleVoice.cpp:46–90

}

bool SampleVoice::Process(double time, ChannelBuffer* out, int oversampling)
{
   PROFILER(SampleVoice);

   if (IsDone(time) ||
       mVoiceParams->mSampleData == nullptr ||
       mVoiceParams->mSampleLength == 0)
      return false;

   float volSq = mVoiceParams->mVol * mVoiceParams->mVol;

   for (int pos = 0; pos < out->BufferSize(); ++pos)
   {
      if (mOwner)
         mOwner->ComputeSliders(pos);

      if (mPos <= mVoiceParams->mSampleLength || mVoiceParams->mLoop)
      {
         float freq = TheScale->PitchToFreq(GetPitch(pos));
         float speed;
         if (mVoiceParams->mDetectedFreq != -1)
            speed = freq / mVoiceParams->mDetectedFreq;
         else
            speed = freq / TheScale->PitchToFreq(TheScale->ScaleRoot() + 48);

         float sample = GetInterpolatedSample(mPos, mVoiceParams->mSampleData, mVoiceParams->mSampleLength) * mAdsr.Value(time) * volSq;

         if (out->NumActiveChannels() == 1)
         {
            out->GetChannel(0)[pos] += sample;
         }
         else
         {
            out->GetChannel(0)[pos] += sample * GetLeftPanGain(GetPan());
            out->GetChannel(1)[pos] += sample * GetRightPanGain(GetPan());
         }

         mPos += speed;
      }

      time += gInvSampleRateMs;
   }

   return true;
}

void SampleVoice::Start(double time, float target)
{