started porting renderer to new portable form

app/node/output/track/track.cpp

@@ -196,6 +196,16 @@ QVariant TrackOutput::Value(NodeOutput *output, const rational &in, const ration
   if (output == track_output_) {
     // Set track output correctly
     return PtrToValue(this);
+  } else if (output == buffer_output()) {
+    ValidateCurrentBlock(in);
+
+    if (current_block_ != this) {
+      // At this point, we must have found the correct block so we use its texture output to produce the image
+      return current_block_->buffer_output()->get_value(in, out);
+    }
+
+    // No texture is valid
+    return 0;
   }
 
   // Run default node processing

app/node/output/viewer/viewer.cpp

@@ -70,16 +70,6 @@ NodeInput *ViewerOutput::length_input()
   return length_input_;
 }
 
-RenderTexturePtr ViewerOutput::GetTexture(const rational &time)
-{
-  return texture_input_->get_value(time).value<RenderTexturePtr>();
-}
-
-QByteArray ViewerOutput::GetSamples(const rational &in, const rational &out)
-{
-  return samples_input_->get_value(in, out).toByteArray();
-}
-
 void ViewerOutput::InvalidateCache(const rational &start_range, const rational &end_range, NodeInput *from)
 {
   Node::InvalidateCache(start_range, end_range, from);

app/node/output/viewer/viewer.h

@@ -23,8 +23,7 @@
 
 #include "node/node.h"
 #include "render/videoparams.h"
-#include "render/audio/audioparams.h"
-#include "render/rendertexture.h"
+#include "render/audioparams.h"
 
 /**
  * @brief A bridge between a node system and a ViewerPanel
@@ -46,9 +45,6 @@ public:
   NodeInput* samples_input();
   NodeInput* length_input();
 
-  RenderTexturePtr GetTexture(const rational& time);
-  QByteArray GetSamples(const rational& in, const rational& out);
-
   virtual void InvalidateCache(const rational &start_range, const rational &end_range, NodeInput *from = nullptr) override;
 
   const VideoParams& video_params();