=== modified file 'mixxx/src/waveform/renderers/waveformwidgetrenderer.cpp'
--- mixxx/src/waveform/renderers/waveformwidgetrenderer.cpp	2012-12-10 01:59:08 +0000
+++ mixxx/src/waveform/renderers/waveformwidgetrenderer.cpp	2012-12-10 02:14:20 +0000
@@ -141,7 +141,7 @@
         m_audioSamplePerPixel = 0.0;
     }
 
-    m_playPos = m_playPosControlObject->get();
+    //m_playPos = m_playPosControlObject->get();
     // m_playPos = -1 happens, when a new track is in buffer but m_visualPlayPosition was not updated
 
     if (m_audioSamplePerPixel && m_playPos != -1) {
@@ -153,15 +153,21 @@
         double displayedLengthHalf = static_cast<double>(m_width) / trackPixel / 2.0;
         // Avoid pixel jitter in play position by rounding to the nearest track
         // pixel.
-        m_playPos = round(m_playPosControlObject->get() * trackPixel) / trackPixel;
+        //m_playPos = round(m_playPosControlObject->get() * trackPixel) / trackPixel;
         m_firstDisplayedPosition = m_playPos - displayedLengthHalf;
         m_lastDisplayedPosition = m_playPos + displayedLengthHalf;
+
+        m_playPos += 0.0001;
+        if (m_playPos > 1.0) {
+            m_playPos = 0.0;
+        }
+
         m_rendererTransformationOffset = - m_firstDisplayedPosition;
         // This expression just reduces to trackPixel
         //m_rendererTransformationGain = m_width / (m_lastDisplayedPosition - m_firstDisplayedPosition);
         m_rendererTransformationGain = trackPixel;
     } else {
-        m_playPos = -1; // disable renderers
+        m_playPos = 0; // disable renderers
     }
 
     /*