adjusted invalidatecache function

app/node/block/block.cpp

@@ -102,6 +102,9 @@ void Block::EdgeAddedSlot(NodeEdgePtr edge)
 
     // The blocks surrounding this one have changed, we need to Refresh()
     RefreshFollowing();
+
+    // Entire track will have shifted, so the whole cache needs to be re-validated
+    InvalidateCache(0, RATIONAL_MAX);
   }
 }
 
@@ -127,8 +130,6 @@ void Block::Refresh()
   // Update out point by adding this clip's length to the just calculated in point
   out_point_ = in_point_ + length();
 
-  InvalidateCache(nullptr, in_point_, out_point_);
-
   emit Refreshed();
 }
 
@@ -176,7 +177,7 @@ void Block::set_media_in(const rational &media_in)
     media_in_ = media_in;
 
     // Signal that this clips contents have changed
-    InvalidateCache(nullptr, in(), out());
+    InvalidateCache(in(), out());
   }
 }
 

app/node/block/clip/clip.cpp

@@ -86,7 +86,7 @@ QVariant ClipBlock::Value(NodeOutput* param, const rational& time)
   return Block::Value(param, time);
 }
 
-void ClipBlock::InvalidateCache(NodeInput *from, const rational &start_range, const rational &end_range)
+void ClipBlock::InvalidateCache(const rational &start_range, const rational &end_range, NodeInput *from)
 {
   // If signal is from texture input, transform all times from media time to sequence time
   if (from == texture_input_) {
@@ -97,10 +97,10 @@ void ClipBlock::InvalidateCache(NodeInput *from, const rational &start_range, co
     start = qMax(start, in());
     end = qMin(end, out());
 
-    Node::InvalidateCache(from, start, end);
+    Node::InvalidateCache(start, end, from);
   } else {
     // Otherwise, pass signal along normally
-    Node::InvalidateCache(from, start_range, end_range);
+    Node::InvalidateCache(start_range, end_range, from);
   }
 }
 

app/node/block/clip/clip.h

@@ -42,7 +42,7 @@ public:
 
   NodeInput* texture_input();
 
-  virtual void InvalidateCache(NodeInput *from, const rational &start_range, const rational &end_range) override;
+  virtual void InvalidateCache(const rational &start_range, const rational &end_range, NodeInput *from = nullptr) override;
 
   virtual QList<NodeDependency> RunDependencies(NodeOutput *output, const rational &time) override;