block: don't send cache invalidation signals from length changes

Minor optimization.
2020-03-30 15:11:32 +11:00
parent 2bfe9f44df
commit a143b64ac7
2 changed files with 12 additions and 0 deletions
@@ -303,3 +303,13 @@ NodeInput *Block::speed_input() const
  return speed_input_;
 }

+void Block::InvalidateCache(const rational &start_range, const rational &end_range, NodeInput *from)
+{
+  // We ignore length changes since they don't have an effect on our frames
+  if (from == length_input_) {
+    return;
+  }
+
+  Node::InvalidateCache(start_range, end_range, from);
+}
+