Method Process

Source/SamplerGrid.cpp:77–156

}

void SamplerGrid::Process(double time)
{
   PROFILER(SamplerGrid);

   IAudioReceiver* target = GetTarget();

   if (target == nullptr)
      return;

   SyncBuffers();

   if (!mEnabled)
   {
      for (int ch = 0; ch < GetBuffer()->NumActiveChannels(); ++ch)
      {
         Add(target->GetBuffer()->GetChannel(ch), GetBuffer()->GetChannel(ch), GetBuffer()->BufferSize());
         GetVizBuffer()->WriteChunk(GetBuffer()->GetChannel(ch), GetBuffer()->BufferSize(), ch);
      }

      GetBuffer()->Reset();

      return;
   }

   ComputeSliders(0);

   int bufferSize = GetBuffer()->BufferSize();

   Clear(gWorkBuffer, gBufferSize);

   float volSq = mVolume * mVolume;

   for (int i = 0; i < gBufferSize; ++i)
   {
      for (int j = 0; j < mRows * mCols; ++j)
      {
         GridSample& sample = mGridSamples[j];
         float rampVal = sample.mRamp.Value(time);
         if (rampVal > 0 && sample.mPlayhead < sample.mSampleEnd)
         {
            gWorkBuffer[i] += sample.mSampleData[sample.mPlayhead] * rampVal * volSq;
            ++sample.mPlayhead;
            if (sample.mRamp.Target(time) == 1 &&
                sample.mPlayhead + SAMPLE_RAMP_MS / gInvSampleRateMs >= sample.mSampleEnd)
               sample.mRamp.Start(time, 0, time + SAMPLE_RAMP_MS);
         }
      }
      time += gInvSampleRateMs;
   }

   if (mRecordingSample != -1)
   {
      GridSample& sample = mGridSamples[mRecordingSample];
      for (int i = 0; i < gBufferSize; ++i)
      {
         if (GetBuffer()->GetChannel(0)[i] != 0)
            sample.mHasSample = true;
         if (sample.mPlayhead < MAX_SAMPLER_GRID_LENGTH && sample.mHasSample)