remove hashes from nodes

app/node/block/block.cpp

@@ -43,7 +43,6 @@ Block::Block() :
   SetInputProperty(kLengthInput, QStringLiteral("min"), QVariant::fromValue(rational(0, 1)));
   SetInputProperty(kLengthInput, QStringLiteral("view"), RationalSlider::kTime);
   SetInputProperty(kLengthInput, QStringLiteral("viewlock"), true);
-  IgnoreHashingFrom(kLengthInput);
 
   SetInputFlags(kEnabledInput, InputFlags(GetInputFlags(kEnabledInput) | kInputFlagNotConnectable | kInputFlagNotKeyframable));
 
@@ -102,23 +101,6 @@ void Block::InputValueChangedEvent(const QString &input, int element)
   }
 }
 
-bool Block::HashPassthrough(const QString &input, QCryptographicHash &hash, const NodeGlobals &globals, const VideoParams &video_params) const
-{
-  if (IsInputConnected(input)) {
-    TimeRange t = InputTimeAdjustment(input, -1, globals.time());
-
-    NodeGlobals new_globals = globals;
-    new_globals.set_time(t);
-
-    Node *out = GetConnectedOutput(input);
-    Node::Hash(out, GetValueHintForInput(input), hash, new_globals, video_params);
-
-    return true;
-  }
-
-  return false;
-}
-
 void Block::set_length_internal(const rational &length)
 {
   SetStandardValue(kLengthInput, QVariant::fromValue(length));
@@ -132,11 +114,6 @@ void Block::Retranslate()
   SetInputName(kEnabledInput, tr("Enabled"));
 }
 
-void Block::Hash(QCryptographicHash &, const NodeGlobals &, const VideoParams &) const
-{
-  // A block does nothing by default, so we hash nothing
-}
-
 void Block::InvalidateCache(const TimeRange& range, const QString& from, int element, InvalidateCacheOptions options)
 {
   TimeRange r;

app/node/block/block.h

@@ -129,10 +129,6 @@ signals:
 protected:
   virtual void InputValueChangedEvent(const QString& input, int element) override;
 
-  virtual void Hash(QCryptographicHash &hash, const NodeGlobals &globals, const VideoParams& video_params) const override;
-
-  bool HashPassthrough(const QString &input, QCryptographicHash &hash, const NodeGlobals &globals, const VideoParams& video_params) const;
-
   Block* previous_;
   Block* next_;
 

app/node/block/clip/clip.cpp

@@ -43,15 +43,12 @@ ClipBlock::ClipBlock() :
   AddInput(kMediaInInput, NodeValue::kRational, InputFlags(kInputFlagNotConnectable | kInputFlagNotKeyframable));
   SetInputProperty(kMediaInInput, QStringLiteral("view"), RationalSlider::kTime);
   SetInputProperty(kMediaInInput, QStringLiteral("viewlock"), true);
-  IgnoreHashingFrom(kMediaInInput);
 
   AddInput(kSpeedInput, NodeValue::kFloat, 1.0, InputFlags(kInputFlagNotConnectable | kInputFlagNotKeyframable));
   SetInputProperty(kSpeedInput, QStringLiteral("view"), FloatSlider::kPercentage);
   SetInputProperty(kSpeedInput, QStringLiteral("min"), 0.0);
-  IgnoreHashingFrom(kSpeedInput);
 
   AddInput(kReverseInput, NodeValue::kBoolean, false, InputFlags(kInputFlagNotConnectable | kInputFlagNotKeyframable));
-  IgnoreHashingFrom(kReverseInput);
 
   AddInput(kMaintainAudioPitchInput, NodeValue::kBoolean, false, InputFlags(kInputFlagNotConnectable | kInputFlagNotKeyframable));
 
@@ -287,9 +284,4 @@ void ClipBlock::Retranslate()
   SetInputName(kMaintainAudioPitchInput, tr("Maintain Audio Pitch"));
 }
 
-void ClipBlock::Hash(QCryptographicHash &hash, const NodeGlobals &globals, const VideoParams &video_params) const
-{
-  HashPassthrough(kBufferIn, hash, globals, video_params);
-}
-
 }

app/node/block/clip/clip.h

@@ -128,8 +128,6 @@ public:
 protected:
   virtual void LinkChangeEvent() override;
 
-  virtual void Hash(QCryptographicHash &hash, const NodeGlobals &globals, const VideoParams& video_params) const override;
-
 private:
   rational SequenceToMediaTime(const rational& sequence_time, bool ignore_reverse = false, bool ignore_speed = false) const;
 

app/node/block/transition/transition.cpp

@@ -47,7 +47,6 @@ TransitionBlock::TransitionBlock() :
   AddInput(kCenterInput, NodeValue::kRational, InputFlags(kInputFlagNotKeyframable | kInputFlagNotConnectable));
   SetInputProperty(kCenterInput, QStringLiteral("view"), RationalSlider::kTime);
   SetInputProperty(kCenterInput, QStringLiteral("viewlock"), true);
-  IgnoreHashingFrom(kCenterInput);
 }
 
 void TransitionBlock::Retranslate()
@@ -137,23 +136,6 @@ double TransitionBlock::GetInProgress(const double &time) const
   return clamp((GetInternalTransitionTime(time) - out_offset().toDouble()) / in_offset().toDouble(), 0.0, 1.0);
 }
 
-void TransitionBlock::Hash(QCryptographicHash &hash, const NodeGlobals &globals, const VideoParams &video_params) const
-{
-  if (HashPassthrough(kInBlockInput, hash, globals, video_params)
-      || HashPassthrough(kOutBlockInput, hash, globals, video_params)) {
-    HashAddNodeSignature(hash);
-
-    double time_dbl = globals.time().in().toDouble();
-    double all_prog = GetTotalProgress(time_dbl);
-    double in_prog = GetInProgress(time_dbl);
-    double out_prog = GetOutProgress(time_dbl);
-
-    hash.addData(reinterpret_cast<const char*>(&all_prog), sizeof(all_prog));
-    hash.addData(reinterpret_cast<const char*>(&in_prog), sizeof(in_prog));
-    hash.addData(reinterpret_cast<const char*>(&out_prog), sizeof(out_prog));
-  }
-}
-
 double TransitionBlock::GetInternalTransitionTime(const double &time) const
 {
   return time;

app/node/block/transition/transition.h

@@ -87,8 +87,6 @@ protected:
 
   virtual TimeRange OutputTimeAdjustment(const QString& input, int element, const TimeRange& input_time) const override;
 
-  virtual void Hash(QCryptographicHash& hash, const NodeGlobals &globals, const VideoParams& video_params) const override;
-
 private:
   enum CurveType {
     kLinear,