WIP - Issue #1186: Add enabled Flag to Transitions

src/opentimelineio/transition.cpp

@@ -16,6 +16,7 @@ Transition::Transition(
     , _transition_type(transition_type)
     , _in_offset(in_offset)
     , _out_offset(out_offset)
+    , _enabled(true)
 {}
 
 Transition::~Transition()
@@ -33,6 +34,7 @@ Transition::read_from(Reader& reader)
     return reader.read("in_offset", &_in_offset) &&
            reader.read("out_offset", &_out_offset) &&
            reader.read("transition_type", &_transition_type) &&
+           reader.read("enabled", &_enabled) &&
            Parent::read_from(reader);
 }
 
@@ -43,6 +45,7 @@ Transition::write_to(Writer& writer) const
     writer.write("in_offset", _in_offset);
     writer.write("out_offset", _out_offset);
     writer.write("transition_type", _transition_type);
+    writer.write("enabled", _enabled);
 }
 
 RationalTime

src/opentimelineio/transition.h

@@ -34,6 +34,13 @@ class Transition : public Composable
 
     virtual bool overlapping() const;
 
+    bool enabled() const { return _enabled; };
+
+    void set_enabled(bool enabled)
+    {
+        _enabled = enabled;
+    }
+
     std::string transition_type() const noexcept { return _transition_type; }
 
     void set_transition_type(std::string const& transition_type)
@@ -73,6 +80,7 @@ class Transition : public Composable
 private:
     std::string  _transition_type;
     RationalTime _in_offset, _out_offset;
+    bool _enabled;
 };
 
 }} // namespace opentimelineio::OPENTIMELINEIO_VERSION

src/py-opentimelineio/opentimelineio-bindings/otio_serializableObjects.cpp

@@ -365,6 +365,7 @@ static void define_items_and_compositions(py::module m) {
         .def_property("transition_type", &Transition::transition_type, &Transition::set_transition_type)
         .def_property("in_offset", &Transition::in_offset, &Transition::set_in_offset)
         .def_property("out_offset", &Transition::out_offset, &Transition::set_out_offset)
+        .def_property("enabled", &Transition::enabled, &Transition::set_enabled)
         .def("duration", [](Transition* t) {
             return t->duration(ErrorStatusHandler());
             })

tests/baselines/empty_transition.json

@@ -8,5 +8,6 @@
     },
     "out_offset": {
         "FROM_TEST_FILE" : "empty_rationaltime.json"
-    }
+    },
+    "enabled": true
 }