Implemented time offset node

2022-02-01 19:55:09 -08:00
parent 5cf076082c
commit f9112c05fd
6 changed files with 194 additions and 0 deletions
@@ -0,0 +1,91 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2021 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/>.
+
+***/
+
+#include "timeoffsetnode.h"
+
+#include "widget/slider/rationalslider.h"
+
+namespace olive {
+
+const QString TimeOffsetNode::kTimeInput = QStringLiteral("time_in");
+const QString TimeOffsetNode::kInputInput = QStringLiteral("input_in");
+
+#define super Node
+
+TimeOffsetNode::TimeOffsetNode()
+{
+  AddInput(kTimeInput, NodeValue::kRational, QVariant::fromValue(rational(0)), InputFlags(kInputFlagNotConnectable));
+  SetInputProperty(kTimeInput, QStringLiteral("view"), RationalSlider::kTime);
+  SetInputProperty(kTimeInput, QStringLiteral("viewlock"), true);
+  IgnoreHashingFrom(kTimeInput);
+
+  AddInput(kInputInput, NodeValue::kNone, InputFlags(kInputFlagNotKeyframable));
+}
+
+void TimeOffsetNode::Retranslate()
+{
+  SetInputName(kTimeInput, QStringLiteral("Time"));
+  SetInputName(kInputInput, QStringLiteral("Input"));
+}
+
+TimeRange TimeOffsetNode::InputTimeAdjustment(const QString &input, int element, const TimeRange &input_time) const
+{
+  if (input == kInputInput) {
+    return TimeRange(GetRemappedTime(input_time.in()), GetRemappedTime(input_time.out()));
+  } else {
+    return super::InputTimeAdjustment(input, element, input_time);
+  }
+}
+
+TimeRange TimeOffsetNode::OutputTimeAdjustment(const QString &input, int element, const TimeRange &input_time) const
+{
+  /*if (input == kInputInput) {
+    rational target_time = GetValueAtTime(kTimeInput, input_time.in()).value<rational>();
+
+    return TimeRange(target_time, target_time + input_time.length());
+  } else {
+    return super::OutputTimeAdjustment(input, element, input_time);
+  }*/
+  return super::OutputTimeAdjustment(input, element, input_time);
+}
+
+void TimeOffsetNode::Value(const NodeValueRow &value, const NodeGlobals &globals, NodeValueTable *table) const
+{
+  table->Push(value[kInputInput]);
+}
+
+void TimeOffsetNode::Hash(QCryptographicHash &hash, const NodeGlobals &globals, const VideoParams &video_params) const
+{
+  // Don't hash anything of our own, just pass-through to the connected node at the remapped tmie
+  if (IsInputConnected(kInputInput)) {
+    Node *out = GetConnectedOutput(kInputInput);
+
+    NodeGlobals new_globals = globals;
+    new_globals.set_time(TimeRange(GetRemappedTime(globals.time().in()), GetRemappedTime(globals.time().out())));
+    Node::Hash(out, GetValueHintForInput(kInputInput), hash, new_globals, video_params);
+  }
+}
+
+rational TimeOffsetNode::GetRemappedTime(const rational &input) const
+{
+  return input + GetValueAtTime(kTimeInput, input).value<rational>();
+}
+
+}