Update lastScreenBufferIndex even if no samples are available

Author: jsiegle

Plugins/LfpDisplayNode/LfpDisplay.cpp

@@ -439,7 +439,9 @@ void LfpDisplay::refresh()
 	else if (fillto < fillfrom)
 	{
         totalPixelsToFill = canvasSplit->screenBufferWidth - fillfrom + fillto;
-	}
+    }
+
+	//std::cout << fillfrom << " : " << fillto << " ::: " << "totalPixelsToFill: " << totalPixelsToFill << std::endl;
 
     int topBorder = viewport->getViewPositionY();
     int bottomBorder = viewport->getViewHeight() + topBorder;

Plugins/LfpDisplayNode/LfpDisplayCanvas.cpp

@@ -1144,13 +1144,16 @@ void LfpDisplaySplitter::updateScreenBuffer()
 
             if (newSamples == 0)
             {
-                // std::cout << "No new samples." << std::endl;
+                //std::cout << "No new samples." << std::endl;
+                lastScreenBufferIndex.set(channel, screenBufferIndex[channel]);
                 return;
             }
 
             if (newSamples < 0)
                 newSamples += displayBufferSize;
 
+            //if (channel == 0)
+            //    std::cout << newSamples << " new samples." << std::endl;
 
             // this number is crucial -- converting from samples to values (in px) for the screen buffer:
             float ratio = sampleRate * timebase / float(displayWidth); // samples / pixel
@@ -1161,6 +1164,7 @@ void LfpDisplaySplitter::updateScreenBuffer()
 
             // hold the last screen buffer index for comparison
             lastScreenBufferIndex.set(channel, sbi);
+            //std::cout << "Setting channel " << channel << " lastScreenBufferIndex to " << lastScreenBufferIndex[channel] << std::endl;
 
             float subSampleOffset = leftOverSamples[channel];
 
@@ -1463,7 +1467,7 @@ void LfpDisplaySplitter::updateScreenBuffer()
                 else
                     leftOverSamples.set(channel, subSampleOffset - 1.0f);
 
-               // std::cout << "Setting channel " << channel << " sbi to " << sbi << std::endl;
+                //std::cout << "Setting channel " << channel << " sbi to " << sbi << std::endl;
                 screenBufferIndex.set(channel, sbi);
                 displayBufferIndex.set(channel, newDisplayBufferIndex); // need to store this locally
 

Source/Processors/SourceNode/SourceNode.cpp

@@ -314,7 +314,7 @@ void SourceNode::process(AudioBuffer<float>& buffer)
             copiedChannels,
             channelsToCopy);
 
-       // std::cout << getNodeId() << " " << streamIdx << " " << nSamples << std::endl;
+        //std::cout << getNodeId() << " " << streamIdx << " " << nSamples << std::endl;
 
 		copiedChannels += channelsToCopy;