Method Process

Source/ControllingSong.cpp:144–204

}

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

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

   ComputeSliders(0);

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

   float volSq = mVolume * mVolume * .5f;

   mSample.SetRate(mSpeed);

   for (int i = 0; i < mFollowSongs.size(); ++i)
   {
      mFollowSongs[i]->SetPlaybackInfo(mPlay, mSample.GetPlayPosition(), mSpeed, mVolume);
   }

   if (!mLoadingSong && mPlay)
   {
      mLoadSongMutex.lock();

      double ms = mSample.GetPlayPosition() / mSample.GetSampleRateRatio() / double(gSampleRate) * 1000.0;
      if (ms >= 0)
      {
         TheTransport->SetTempo(MIN(200, mMidiReader.GetTempo(ms)) * mSpeed);
         int measure;
         float measurePos;
         mMidiReader.GetMeasurePos(ms, measure, measurePos);
         TheTransport->SetMeasureTime(measure + measurePos);
      }

      gWorkChannelBuffer.SetNumActiveChannels(1);
      if (mSample.ConsumeData(time, &gWorkChannelBuffer, bufferSize, true))
      {
         for (int i = 0; i < bufferSize; ++i)
         {
            float sample = gWorkChannelBuffer.GetChannel(0)[i] * volSq;
            if (mMute)
               sample = 0;
            out[i] += sample;
            GetVizBuffer()->Write(sample, 0);
         }
      }
      else
      {
         //mNeedNewSong = true;
         GetVizBuffer()->WriteChunk(gZeroBuffer, bufferSize, 0);
      }
      mLoadSongMutex.unlock();
   }
   else
   {