cache: implemented base functionality for clip cache

app/node/node.cpp

@@ -234,6 +234,14 @@ void Node::DisconnectEdge(Node *output, const NodeInput &input)
   }
 }
 
+void Node::CopyCacheUuidsFrom(Node *n)
+{
+  video_cache_->SetUuid(n->video_cache_->GetUuid());
+  audio_cache_->SetUuid(n->audio_cache_->GetUuid());
+  thumbnail_cache_->SetUuid(n->thumbnail_cache_->GetUuid());
+  waveform_cache_->SetUuid(n->waveform_cache_->GetUuid());
+}
+
 QString Node::GetInputName(const QString &id) const
 {
   const Input* i = GetInternalInputData(id);
@@ -943,6 +951,7 @@ void Node::InvalidateCache(const TimeRange &range, const QString &from, int elem
     TimeRange ar = range.Intersected(GetAudioCacheRange());
     if (ar.length() != 0) {
       audio_playback_cache()->Invalidate(ar);
+      waveform_cache()->Invalidate(ar);
     }
   }
 

app/node/node.h

@@ -353,6 +353,8 @@ public:
 
   static void DisconnectEdge(Node *output, const NodeInput& input);
 
+  void CopyCacheUuidsFrom(Node *n);
+
   virtual QString GetInputName(const QString& id) const;
 
   void SetInputName(const QString& id, const QString& name);

app/node/traverser.cpp

@@ -48,7 +48,7 @@ NodeValueRow NodeTraverser::GenerateRow(NodeValueDatabase *database, const Node
   NodeValueRow row;
   for (auto it=database->begin(); it!=database->end(); it++) {
     // Get hint for which value should be pulled
-    NodeValue value = GenerateRowValue(node, it.key(), &it.value());
+    NodeValue value = GenerateRowValue(node, it.key(), &it.value(), range);
     row.insert(it.key(), value);
   }
 
@@ -65,9 +65,9 @@ NodeValueRow NodeTraverser::GenerateRow(const Node *node, const TimeRange &range
   return GenerateRow(&database, node, range);
 }
 
-NodeValue NodeTraverser::GenerateRowValue(const Node *node, const QString &input, NodeValueTable *table)
+NodeValue NodeTraverser::GenerateRowValue(const Node *node, const QString &input, NodeValueTable *table, const TimeRange &time)
 {
-  NodeValue value = GenerateRowValueElement(node, input, -1, table);
+  NodeValue value = GenerateRowValueElement(node, input, -1, table, time);
 
   if (value.array()) {
     // Resolve each element of array
@@ -75,7 +75,7 @@ NodeValue NodeTraverser::GenerateRowValue(const Node *node, const QString &input
     QVector<NodeValue> output(tables.size());
 
     for (int i=0; i<tables.size(); i++) {
-      output[i] = GenerateRowValueElement(node, input, i, &tables[i]);
+      output[i] = GenerateRowValueElement(node, input, i, &tables[i], time);
     }
 
     value = NodeValue(value.type(), QVariant::fromValue(output), value.source(), value.array(), value.tag());
@@ -84,14 +84,9 @@ NodeValue NodeTraverser::GenerateRowValue(const Node *node, const QString &input
   return value;
 }
 
-NodeValue NodeTraverser::GenerateRowValueElement(const Node *node, const QString &input, int element, NodeValueTable *table)
+NodeValue NodeTraverser::GenerateRowValueElement(const Node *node, const QString &input, int element, NodeValueTable *table, const TimeRange &time)
 {
-  return GenerateRowValueElement(node->GetValueHintForInput(input, element), node->GetInputDataType(input), table);
-}
-
-NodeValue NodeTraverser::GenerateRowValueElement(const Node::ValueHint &hint, NodeValue::Type preferred_type, NodeValueTable *table)
-{
-  int value_index = GenerateRowValueElementIndex(hint, preferred_type, table);
+  int value_index = GenerateRowValueElementIndex(node->GetValueHintForInput(input, element), node->GetInputDataType(input), table);
 
   if (value_index == -1) {
     // If value was -1, try getting the last value
@@ -103,7 +98,17 @@ NodeValue NodeTraverser::GenerateRowValueElement(const Node::ValueHint &hint, No
     return NodeValue();
   }
 
-  return table->TakeAt(value_index);
+  NodeValue value = table->TakeAt(value_index);
+
+  if (value.type() == NodeValue::kTexture) {
+    QString cache = node->video_frame_cache()->GetValidCacheFilename(time.in());
+    if (!cache.isEmpty()) {
+      qDebug() << "pushing cache job";
+      value.set_value(CacheJob(cache, value.data()));
+    }
+  }
+
+  return value;
 }
 
 int NodeTraverser::GenerateRowValueElementIndex(const Node::ValueHint &hint, NodeValue::Type preferred_type, const NodeValueTable *table)
@@ -358,6 +363,10 @@ NodeValueTable NodeTraverser::GenerateBlockTable(const Track *track, const TimeR
   return table;
 }
 
+TexturePtr NodeTraverser::ProcessVideoCacheJob(const CacheJob &val)
+{
+  return nullptr;
+}
 
 QVector2D NodeTraverser::GenerateResolution() const
 {
@@ -367,6 +376,16 @@ QVector2D NodeTraverser::GenerateResolution() const
 void NodeTraverser::ResolveJobs(NodeValue &val, const TimeRange &range)
 {
   if (val.type() == NodeValue::kTexture || val.type() == NodeValue::kSamples) {
+    if (val.canConvert<CacheJob>()) {
+      CacheJob job = val.value<CacheJob>();
+      TexturePtr tex = ProcessVideoCacheJob(job);
+      if (tex) {
+        val.set_value(tex);
+      } else {
+        val.set_value(job.GetFallback());
+      }
+    }
+
     if (val.canConvert<ShaderJob>()) {
 
       ShaderJob job = val.value<ShaderJob>();

app/node/traverser.h

@@ -26,8 +26,9 @@
 #include "codec/decoder.h"
 #include "common/cancelableobject.h"
 #include "node/output/track/track.h"
-#include "render/job/footagejob.h"
+#include "render/job/cachejob.h"
 #include "render/job/colortransformjob.h"
+#include "render/job/footagejob.h"
 #include "value.h"
 
 namespace olive {
@@ -44,9 +45,8 @@ public:
   NodeValueRow GenerateRow(NodeValueDatabase *database, const Node *node, const TimeRange &range);
   NodeValueRow GenerateRow(const Node *node, const TimeRange &range);
 
-  NodeValue GenerateRowValue(const Node *node, const QString &input, NodeValueTable *table);
-  NodeValue GenerateRowValueElement(const Node *node, const QString &input, int element, NodeValueTable *table);
-  NodeValue GenerateRowValueElement(const Node::ValueHint &hint, NodeValue::Type preferred_type, NodeValueTable *table);
+  NodeValue GenerateRowValue(const Node *node, const QString &input, NodeValueTable *table, const TimeRange &time);
+  NodeValue GenerateRowValueElement(const Node *node, const QString &input, int element, NodeValueTable *table, const TimeRange &time);
   int GenerateRowValueElementIndex(const Node::ValueHint &hint, NodeValue::Type preferred_type, const NodeValueTable *table);
   int GenerateRowValueElementIndex(const Node *node, const QString &input, int element, const NodeValueTable *table);
 
@@ -101,6 +101,8 @@ protected:
 
   virtual void ConvertToReferenceSpace(TexturePtr destination, TexturePtr source, const QString &input_cs){}
 
+  virtual TexturePtr ProcessVideoCacheJob(const CacheJob &val);
+
   virtual TexturePtr CreateTexture(const VideoParams &p)
   {
     return CreateDummyTexture(p);

app/node/value.h

@@ -225,6 +225,8 @@ public:
     data_ = QVariant::fromValue(v);
   }
 
+  const QVariant &data() const { return data_; }
+
   template <typename T>
   bool canConvert() const
   {

app/render/job/cachejob.h

@@ -0,0 +1,55 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2022 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef CACHEJOB_H
+#define CACHEJOB_H
+
+#include <QString>
+#include <QVariant>
+
+namespace olive {
+
+class CacheJob
+{
+public:
+  CacheJob() = default;
+  CacheJob(const QString &filename, const QVariant &fallback = QVariant())
+  {
+    filename_ = filename;
+  }
+
+  const QString &GetFilename() const { return filename_; }
+  void SetFilename(const QString &s) { filename_ = s; }
+
+  const QVariant &GetFallback() const { return fallback_; }
+  void SetFallback(const QVariant &val) { fallback_ = val; }
+
+private:
+  QString filename_;
+
+  QVariant fallback_;
+
+};
+
+}
+
+Q_DECLARE_METATYPE(olive::CacheJob)
+
+#endif // CACHEJOB_H

app/render/previewautocacher.cpp

@@ -269,6 +269,9 @@ void PreviewAutoCacher::AddNode(Node *node)
   // Add to project
   copy->setParent(&copied_project_);
 
+  // Copy cache UUIDs
+  copy->CopyCacheUuidsFrom(node);
+
   // Insert into map
   InsertIntoCopyMap(node, copy);
 

app/render/renderprocessor.cpp

@@ -530,9 +530,10 @@ void RenderProcessor::ProcessSamples(SampleBuffer &destination, const Node *node
 
     // Update all non-sample and non-footage inputs
     for (auto j=job.GetValues().constBegin(); j!=job.GetValues().constEnd(); j++) {
-      NodeValueTable value = ProcessInput(node, j.key(), TimeRange(this_sample_time, this_sample_time));
+      TimeRange r = TimeRange(this_sample_time, this_sample_time);
+      NodeValueTable value = ProcessInput(node, j.key(), r);
 
-      value_db.insert(j.key(), GenerateRowValue(node, j.key(), &value));
+      value_db.insert(j.key(), GenerateRowValue(node, j.key(), &value, r));
     }
 
     node->ProcessSamples(value_db,
@@ -559,6 +560,20 @@ void RenderProcessor::ProcessFrameGeneration(TexturePtr destination, const Node
   destination->Upload(frame->data(), frame->linesize_pixels());
 }
 
+TexturePtr RenderProcessor::ProcessVideoCacheJob(const CacheJob &val)
+{
+  FramePtr frame = FrameHashCache::LoadCacheFrame(val.GetFilename());
+  if (frame) {
+    TexturePtr tex = CreateTexture(frame->video_params());
+    if (tex) {
+      tex->Upload(frame->data(), frame->linesize_pixels());
+      return tex;
+    }
+  }
+
+  return nullptr;
+}
+
 void RenderProcessor::ConvertToReferenceSpace(TexturePtr destination, TexturePtr source, const QString &input_cs)
 {
   ColorManager* color_manager = Node::ValueToPtr<ColorManager>(ticket_->property("colormanager"));

app/render/renderprocessor.h

@@ -56,6 +56,8 @@ protected:
 
   virtual void ProcessFrameGeneration(TexturePtr destination, const Node *node, const GenerateJob& job) override;
 
+  virtual TexturePtr ProcessVideoCacheJob(const CacheJob &val) override;
+
   virtual TexturePtr CreateTexture(const VideoParams &p) override
   {
     return render_ctx_->CreateTexture(p);