handle int64_t constraint/ ImageSequenceReference

Author: ssteinbach

src/opentimelineio/imageSequenceReference.cpp

@@ -120,13 +120,22 @@ ImageSequenceReference::ImageSequenceReference(std::string const& target_url_bas
     }
 
     bool ImageSequenceReference::read_from(Reader& reader) {
+
+        int64_t start_frame_value = 0;
+        int64_t frame_step_value = 0;
+        int64_t frame_zero_padding_value = 0;
+
         auto result = reader.read("target_url_base", &_target_url_base) &&
             reader.read("name_prefix", &_name_prefix) &&
             reader.read("name_suffix", &_name_suffix) &&
-            reader.read("start_frame", &_start_frame) &&
-            reader.read("frame_step", &_frame_step) &&
+            reader.read("start_frame", &start_frame_value) &&
+            reader.read("frame_step", &frame_step_value) &&
             reader.read("rate", &_rate) &&
-            reader.read("frame_zero_padding", &_frame_zero_padding);
+            reader.read("frame_zero_padding", &frame_zero_padding_value);
+
+        _start_frame = static_cast<int>(start_frame_value);
+        _frame_step = static_cast<int>(frame_step_value);
+        _frame_zero_padding = static_cast<int>(frame_zero_padding_value);
 
         std::string missing_frame_policy_value;
         result && reader.read("missing_frame_policy", &missing_frame_policy_value);

tests/sample_data/big_int.otio

@@ -0,0 +1,72 @@
+{
+    "OTIO_SCHEMA": "Timeline.1",
+    "metadata": {},
+    "name": "testdata",
+    "global_start_time": null,
+    "tracks": {
+        "OTIO_SCHEMA": "Stack.1",
+        "metadata": {},
+        "name": "tracks",
+        "source_range": null,
+        "effects": [],
+        "markers": [],
+        "children": [
+            {
+                "OTIO_SCHEMA": "Track.1",
+                "metadata": {},
+                "name": "",
+                "source_range": null,
+                "effects": [],
+                "markers": [],
+                "children": [
+                    {
+                        "OTIO_SCHEMA": "Clip.1",
+                        "metadata": {
+                            "foobar": {
+                                 "maxint32": 2147483647,
+                                 "toobig": 2147483648,
+                                 "verybig": 3450100000
+                            }
+                        },
+                        "name": "black",
+                        "source_range": {
+                            "OTIO_SCHEMA": "TimeRange.1",
+                            "duration": {
+                                "OTIO_SCHEMA": "RationalTime.1",
+                                "rate": 24.0,
+                                "value": 24.0
+                            },
+                            "start_time": {
+                                "OTIO_SCHEMA": "RationalTime.1",
+                                "rate": 24.0,
+                                "value": 1.0
+                            }
+                        },
+                        "effects": [],
+                        "markers": [],
+                        "media_reference": {
+                            "OTIO_SCHEMA": "ExternalReference.1",
+                            "metadata": {},
+                            "name": "",
+                            "available_range": {
+                                "OTIO_SCHEMA": "TimeRange.1",
+                                "duration": {
+                                    "OTIO_SCHEMA": "RationalTime.1",
+                                    "rate": 24.0,
+                                    "value": 240.0
+                                },
+                                "start_time": {
+                                    "OTIO_SCHEMA": "RationalTime.1",
+                                    "rate": 24.0,
+                                    "value": 1.0
+                                }
+                            },
+                            "target_url": "black.mov"
+                        }
+                    }
+                ],
+                "kind": "Video"
+            }
+        ]
+    }
+}