fixed precache task

Fixes #1558

app/node/project/project.cpp

@@ -220,16 +220,6 @@ void Project::set_filename(const QString &s)
   emit NameChanged();
 }
 
-ColorManager *Project::color_manager()
-{
-  return color_manager_;
-}
-
-bool Project::is_modified() const
-{
-  return is_modified_;
-}
-
 void Project::set_modified(bool e)
 {
   is_modified_ = e;

app/node/project/project.h

@@ -62,9 +62,10 @@ public:
   QString pretty_filename() const;
   void set_filename(const QString& s);
 
-  ColorManager* color_manager();
+  ColorManager* color_manager() { return color_manager_; }
+  ProjectSettingsNode* settings() { return settings_; }
 
-  bool is_modified() const;
+  bool is_modified() const { return is_modified_; }
   void set_modified(bool e);
 
   bool has_autorecovery_been_saved() const;

app/task/precache/precachetask.cpp

@@ -27,23 +27,31 @@ namespace olive {
 PreCacheTask::PreCacheTask(Footage *footage, int index, Sequence* sequence) :
   RenderTask(new ViewerOutput(), sequence->GetVideoParams(), sequence->GetAudioParams())
 {
+  // Create new project
+  project_ = new Project();
+
+  // Create viewer with same parameters as the sequence
+  viewer()->setParent(project_);
   viewer()->SetVideoParams(sequence->GetVideoParams());
   viewer()->SetAudioParams(sequence->GetAudioParams());
 
+  // Copy project config nodes
+  Node::CopyInputs(footage->project()->color_manager(), project_->color_manager(), false);
+  Node::CopyInputs(footage->project()->settings(), project_->settings(), false);
+
   // Copy footage node so it can precache without any modifications from the user screwing it up
   footage_ = static_cast<Footage*>(footage->copy());
-  index_ = index;
+  footage_->setParent(project_);
   Node::CopyInputs(footage, footage_, false);
+  Node::ConnectEdge(NodeOutput(footage_, Track::Reference(Track::kVideo, index).ToString()), NodeInput(viewer(), ViewerOutput::kTextureInput));
 
-  Node::ConnectEdge(NodeOutput(footage_, Track::Reference(Track::kVideo, 0).ToString()), NodeInput(viewer(), ViewerOutput::kTextureInput));
-
-  SetTitle(tr("Pre-caching %1:%2").arg(footage_->filename()));
+  SetTitle(tr("Pre-caching %1:%2").arg(footage_->filename(), index));
 }
 
 PreCacheTask::~PreCacheTask()
 {
-  // We created this viewer node ourselves, so now we should delete it
-  delete viewer();
+  // This should delete the footage we copied and the viewer we created
+  delete project_;
 }
 
 bool PreCacheTask::Run()

app/task/precache/precachetask.h

@@ -43,9 +43,9 @@ protected:
   virtual void AudioDownloaded(const TimeRange& range, SampleBufferPtr samples, qint64 job_time) override;
 
 private:
-  Footage* footage_;
+  Project* project_;
 
-  int index_;
+  Footage* footage_;
 
 };
 

app/widget/projectexplorer/projectexplorer.cpp

@@ -490,15 +490,19 @@ void ProjectExplorer::ContextMenuStartProxy(QAction *a)
   Sequence* sequence = Node::ValueToPtr<Sequence>(a->data());
 
   // To get here, the `context_menu_items_` must be all kFootage
-  foreach (Node* i, context_menu_items_) {
-    Footage* f = static_cast<Footage*>(i);
+  foreach (Node* item, context_menu_items_) {
+    Footage* f = static_cast<Footage*>(item);
 
-    QVector<VideoParams> enabled_streams = f->GetEnabledVideoStreams();
+    int sz = f->InputArraySize(Footage::kVideoParamsInput);
 
-    foreach (const VideoParams& stream, enabled_streams) {
-      // Start a background task for proxying
-      PreCacheTask* proxy_task = new PreCacheTask(f, stream.stream_index(), sequence);
-      TaskManager::instance()->AddTask(proxy_task);
+    for (int j=0; j<sz; j++) {
+      VideoParams vp = f->GetVideoParams(j);
+
+      if (vp.enabled()) {
+        // Start a background task for proxying
+        PreCacheTask* proxy_task = new PreCacheTask(f, j, sequence);
+        TaskManager::instance()->AddTask(proxy_task);
+      }
     }
   }
 }