[camera] Export VideoCaptureOptions so that implementers can use it (flutter#6666)

* Export VideoCaptureOptions so that it is accessible to other packages

Also added tests so that missing exports can be more easily tested in the future.

* Fix dart analyze warnings

Author: adam-harwood

packages/camera/camera_platform_interface/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.3.1
+
+* Exports VideoCaptureOptions to allow dependencies to implement concurrent stream and record.
+
 ## 2.3.0
 
 * Adds new capture method for a camera to allow concurrent streaming and recording.

packages/camera/camera_platform_interface/lib/src/platform_interface/camera_platform.dart

@@ -11,7 +11,6 @@ import 'package:plugin_platform_interface/plugin_platform_interface.dart';
 
 import '../../camera_platform_interface.dart';
 import '../method_channel/method_channel_camera.dart';
-import '../types/video_capture_options.dart';
 
 /// The interface that implementations of camera must implement.
 ///

packages/camera/camera_platform_interface/lib/src/types/types.dart

@@ -10,3 +10,4 @@ export 'flash_mode.dart';
 export 'focus_mode.dart';
 export 'image_format_group.dart';
 export 'resolution_preset.dart';
+export 'video_capture_options.dart';

packages/camera/camera_platform_interface/pubspec.yaml

@@ -4,7 +4,7 @@ repository: https://github.com/flutter/plugins/tree/main/packages/camera/camera_
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+camera%22
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 2.3.0
+version: 2.3.1
 
 environment:
   sdk: '>=2.12.0 <3.0.0'

packages/camera/camera_platform_interface/test/camera_platform_interface_test.dart

@@ -442,6 +442,52 @@ void main() {
       );
     });
   });
+
+  group('exports', () {
+    test('CameraDescription is exported', () {
+      const CameraDescription(
+          name: 'abc-123',
+          sensorOrientation: 1,
+          lensDirection: CameraLensDirection.external);
+    });
+
+    test('CameraException is exported', () {
+      CameraException('1', 'error');
+    });
+
+    test('CameraImageData is exported', () {
+      const CameraImageData(
+        width: 1,
+        height: 1,
+        format: CameraImageFormat(ImageFormatGroup.bgra8888, raw: 1),
+        planes: <CameraImagePlane>[],
+      );
+    });
+
+    test('ExposureMode is exported', () {
+      // ignore: unnecessary_statements
+      ExposureMode.auto;
+    });
+
+    test('FlashMode is exported', () {
+      // ignore: unnecessary_statements
+      FlashMode.auto;
+    });
+
+    test('FocusMode is exported', () {
+      // ignore: unnecessary_statements
+      FocusMode.auto;
+    });
+
+    test('ResolutionPreset is exported', () {
+      // ignore: unnecessary_statements
+      ResolutionPreset.high;
+    });
+
+    test('VideoCaptureOptions is exported', () {
+      const VideoCaptureOptions(123);
+    });
+  });
 }
 
 class ImplementsCameraPlatform implements CameraPlatform {