reimplement footage viewer in new structure

app/project/item/footage/footage.cpp

@@ -572,18 +572,25 @@ NodeValueTable Footage::Value(const QString &output, NodeValueDatabase &value) c
   if (QFileInfo(file).exists()) {
     FootageJob job(decoder_, filename(), ref.type());
 
+    rational length;
+
     if (ref.type() == Stream::kVideo) {
       VideoParams vp = GetVideoParams(ref.index());
 
       // Ensure the colorspace is valid and not empty
       vp.set_colorspace(GetColorspaceToUse(vp));
+      length = Timecode::timestamp_to_time(vp.duration(), vp.time_base());
 
       job.set_video_params(vp);
     } else {
-      job.set_audio_params(GetAudioParams(ref.index()));
+      AudioParams ap = GetAudioParams(ref.index());
+      job.set_audio_params(ap);
       job.set_cache_path(project()->cache_path());
+      length = Timecode::timestamp_to_time(ap.duration(), ap.time_base());
     }
 
+    table.Push(NodeValue::kRational, QVariant::fromValue(length), this, false, QStringLiteral("length"));
+
     table.Push(NodeValue::kFootageJob, QVariant::fromValue(job), this);
   }
 

app/project/project.cpp

@@ -46,6 +46,11 @@ Project::Project() :
   settings_->setParent(this);
   AddDefaultNode(settings_);
 
+  // Viewer node for connecting with the footage viewer
+  footage_viewer_ = new ViewerOutput();
+  footage_viewer_->setParent(this);
+  AddDefaultNode(footage_viewer_);
+
   // Folder root for project
   root_ = new Folder();
   root_->setParent(this);

app/project/project.h

@@ -25,6 +25,7 @@
 #include <memory>
 
 #include "node/project/projectsettings/projectsettings.h"
+#include "node/output/viewer/viewer.h"
 #include "render/colormanager.h"
 #include "project/item/folder/folder.h"
 #include "window/mainwindow/mainwindowlayoutinfo.h"
@@ -72,6 +73,11 @@ public:
 
   QString cache_path() const;
 
+  ViewerOutput* footage_viewer()
+  {
+    return footage_viewer_;
+  }
+
 signals:
   void NameChanged();
 
@@ -86,6 +92,8 @@ private:
 
   ProjectSettingsNode* settings_;
 
+  ViewerOutput* footage_viewer_;
+
   bool is_modified_;
 
   bool autorecovery_saved_;