Revert end of track

src/engine/enginebuffer.cpp

@@ -1344,6 +1344,12 @@ void EngineBuffer::updateIndicators(double speed, int iBufferSize) {
         speed = 0;
     }
 
+    // Report fractional playpos to SyncControl.
+    // TODO(rryan) It's kind of hacky that this is in updateIndicators but it
+    // prevents us from computing fFractionalPlaypos multiple times per
+    // EngineBuffer::process().
+    m_pSyncControl->reportTrackPosition(fFractionalPlaypos);
+
     // Update indicators that are only updated after every
     // sampleRate/kiUpdateRate samples processed.  (e.g. playposSlider)
     if (m_iSamplesSinceLastIndicatorUpdate >

src/engine/sync/synccontrol.cpp

@@ -311,6 +311,14 @@ void SyncControl::setInstantaneousBpm(double bpm) {
     m_pBpmControl->setInstantaneousBpm(bpm * m_masterBpmAdjustFactor);
 }
 
+void SyncControl::reportTrackPosition(double fractionalPlaypos) {
+    // If we're close to the end, and master, disable master so we don't stop
+    // the party.
+    if (isMaster(getSyncMode()) && fractionalPlaypos >= 1.0) {
+        m_pChannel->getEngineBuffer()->requestSyncMode(SYNC_FOLLOWER);
+    }
+}
+
 // called from an engine worker thread
 void SyncControl::trackLoaded(TrackPointer pNewTrack) {
     mixxx::BeatsPointer pBeats;

src/engine/sync/synccontrol.h

@@ -61,6 +61,7 @@ class SyncControl : public EngineControl, public Syncable {
 
     void setEngineControls(RateControl* pRateControl, BpmControl* pBpmControl);
 
+    void reportTrackPosition(double fractionalPlaypos);
     void reportPlayerSpeed(double speed, bool scratching);
     void notifySeek(double dNewPlaypos) override;
     void trackLoaded(TrackPointer pNewTrack) override;