Method Process

Source/BeatBloks.cpp:101–245

}

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

   IAudioReceiver* target = GetTarget();
   if (!mEnabled || target == nullptr || mSample == nullptr || mLoading)
      return;

   ComputeSliders(0);

   if (mWantWrite)
   {
      DoWrite();
      mWantWrite = false;
   }

   int bufferSize = target->GetBuffer()->BufferSize();
   float* out = target->GetBuffer()->GetChannel(0);
   assert(bufferSize == gBufferSize);

   float volSq = mVolume * mVolume;

   float clipStart = mClipStart;
   float clipEnd = mClipEnd;
   if (mPlay && (clipStart < clipEnd))
   {
      float speed = float(clipEnd - clipStart) * gInvSampleRateMs / TheTransport->MsPerBar() / mNumBars;

      const float* data = mSample->Data()->GetChannel(0);
      int numSamples = mSample->LengthInSamples();
      float sampleRateRatio = mSample->GetSampleRateRatio();

      mPlayheadRemainder = TheTransport->GetMeasurePos(time) + (TheTransport->GetMeasure(time) % mNumBars);
      mPlayheadRemainder /= mNumBars;
      mPlayheadRemainder *= clipEnd - clipStart;
      mPlayheadWhole = int(mPlayheadRemainder);
      mPlayheadRemainder -= mPlayheadWhole;
      mPlayheadWhole += int(clipStart);
      mPlayheadRemainder += clipStart - int(clipStart);
      mPlayheadWhole = MAX(0, mPlayheadWhole);
      mPlayheadRemainder = MAX(0.0f, mPlayheadRemainder);

      for (int i = 0; i < bufferSize; ++i)
      {
         if (mPlayheadWhole >= clipEnd)
            mPlayheadWhole -= (clipEnd - clipStart);
         if (mPlayheadWhole < clipStart)
            mPlayheadWhole += (clipEnd - clipStart);

         out[i] = GetInterpolatedSample(mPlayheadRemainder + 1, data + mPlayheadWhole - 1, numSamples) * volSq;

         mPlayheadRemainder += speed * sampleRateRatio;
      }
   }

   Blok* heldBlok = mHeldBlok; //hold onto it in case it gets nulled in the main thread
   if (mPlayBlokPreview && heldBlok)
   {