Method Process

Source/BufferShuffler.cpp:86–193

}

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

   IAudioReceiver* target = GetTarget();

   if (target == nullptr)
      return;

   SyncBuffers();
   mInputBuffer.SetNumActiveChannels(GetBuffer()->NumActiveChannels());

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

   if (mEnabled)
   {
      int writePosition = GetWritePositionInSamples(time);

      for (int i = 0; i < bufferSize; ++i)
      {
         ComputeSliders(0);

         if (mPlaybackSampleStartTime != -1 && time >= mPlaybackSampleStartTime)
         {
            int numSlices = GetNumSlices();
            int slicePosIndex = mQueuedSlice;
            if (mQueuedPlaybackStyle != PlaybackStyle::None)
               mPlaybackStyle = mQueuedPlaybackStyle;
            mQueuedPlaybackStyle = PlaybackStyle::None;
            if (GetSlicePlaybackRate() < 0)
               slicePosIndex += 1;
            float slicePos = (slicePosIndex % numSlices) / (float)numSlices;
            mPlaybackSampleIndex = int(GetLengthInSamples() * slicePos);
            mPlaybackSampleStartTime = -1;
            mSwitchAndRamp.StartSwitch();
            if (mDrawDebug)
               AddDebugLine(ofToString(gTime) + " switch and ramp for slice start", 10);
         }

         if (mPlaybackSampleStopTime != -1 && time >= mPlaybackSampleStopTime)
         {
            mPlaybackSampleIndex = -1;
            mPlaybackSampleStopTime = -1;
            mSwitchAndRamp.StartSwitch();
            if (mDrawDebug)
               AddDebugLine(ofToString(gTime) + " switch and ramp for slice end", 10);
         }

         for (int ch = 0; ch < GetBuffer()->NumActiveChannels(); ++ch)
         {
            if (!mFreezeInput)
               mInputBuffer.GetChannel(ch)[writePosition] = GetBuffer()->GetChannel(ch)[i];

            float outputSample = mOnlyPlayWhenTriggered ? 0 : GetBuffer()->GetChannel(ch)[i];
            if (mPlaybackSampleIndex != -1)
            {
               outputSample = GetInterpolatedSample(mPlaybackSampleIndex, mInputBuffer.GetChannel(ch), GetLengthInSamples());
            }