From 3167047dedd7268165b32f619a8808054e6921c9 Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Sun, 22 Nov 2020 10:25:47 +1100
Subject: [PATCH] nodetraverser: added abstract function for generating
 sequence resolution

---
 app/node/traverser.cpp | 4 +++-
 app/node/traverser.h   | 9 ++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/app/node/traverser.cpp b/app/node/traverser.cpp
index 92b777fbe..5e3108fa7 100644
--- a/app/node/traverser.cpp
+++ b/app/node/traverser.cpp
@@ -152,12 +152,14 @@ QVariant NodeTraverser::GetCachedFrame(const Node *node, const rational &time)
   return QVariant();
 }
 
-void NodeTraverser::AddGlobalsToDatabase(NodeValueDatabase &db, const TimeRange& range)
+void NodeTraverser::AddGlobalsToDatabase(NodeValueDatabase &db, const TimeRange& range) const
 {
   // Insert global variables
   NodeValueTable global;
   global.Push(NodeParam::kFloat, range.in().toDouble(), nullptr, QStringLiteral("time_in"));
   global.Push(NodeParam::kFloat, range.out().toDouble(), nullptr, QStringLiteral("time_out"));
+  global.Push(NodeParam::kVec2, GenerateResolution(), nullptr, QStringLiteral("resolution"));
+
   db.Insert(QStringLiteral("global"), global);
 }
 
diff --git a/app/node/traverser.h b/app/node/traverser.h
index 87c4019d1..097fb7e66 100644
--- a/app/node/traverser.h
+++ b/app/node/traverser.h
@@ -21,6 +21,8 @@
 #ifndef NODETRAVERSER_H
 #define NODETRAVERSER_H
 
+#include <QVector2D>
+
 #include "codec/decoder.h"
 #include "common/cancelableobject.h"
 #include "node/output/track/track.h"
@@ -56,7 +58,12 @@ protected:
 
   virtual QVariant GetCachedFrame(const Node *node, const rational &time);
 
-  static void AddGlobalsToDatabase(NodeValueDatabase& db, const TimeRange &range);
+  void AddGlobalsToDatabase(NodeValueDatabase& db, const TimeRange &range) const;
+
+  virtual QVector2D GenerateResolution() const
+  {
+    return QVector2D(0, 0);
+  }
 
 private:
   void PostProcessTable(const Node *node, const TimeRange &range, NodeValueTable &output_params);