[video_player] Android: Rotate videos recorded in landscapeRight (flutter#3820)

Author: KyleFin

packages/video_player/video_player/CHANGELOG.md

@@ -1,5 +1,6 @@
-## NEXT
+## 2.4.3
 
+* Fixes Android to correctly display videos recorded in landscapeRight (https://github.com/flutter/flutter/issues/60327).
 * Fixes order-dependent unit tests.
 
 ## 2.4.2

packages/video_player/video_player/lib/video_player.dart

@@ -4,6 +4,7 @@
 
 import 'dart:async';
 import 'dart:io';
+import 'dart:math' as math;
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
@@ -48,6 +49,7 @@ class VideoPlayerValue {
     this.isBuffering = false,
     this.volume = 1.0,
     this.playbackSpeed = 1.0,
+    this.rotationCorrection = 0,
     this.errorDescription,
   });
 
@@ -111,6 +113,9 @@ class VideoPlayerValue {
   /// The [size] of the currently loaded video.
   final Size size;
 
+  /// Degrees to rotate the video (clockwise) so it is displayed correctly.
+  final int rotationCorrection;
+
   /// Indicates whether or not the video has been loaded and is ready to play.
   final bool isInitialized;
 
@@ -136,7 +141,7 @@ class VideoPlayerValue {
   }
 
   /// Returns a new instance that has the same values as this current instance,
-  /// except for any overrides passed in as arguments to [copyWidth].
+  /// except for any overrides passed in as arguments to [copyWith].
   VideoPlayerValue copyWith({
     Duration? duration,
     Size? size,
@@ -150,6 +155,7 @@ class VideoPlayerValue {
     bool? isBuffering,
     double? volume,
     double? playbackSpeed,
+    int? rotationCorrection,
     String? errorDescription = _defaultErrorDescription,
   }) {
     return VideoPlayerValue(
@@ -165,6 +171,7 @@ class VideoPlayerValue {
       isBuffering: isBuffering ?? this.isBuffering,
       volume: volume ?? this.volume,
       playbackSpeed: playbackSpeed ?? this.playbackSpeed,
+      rotationCorrection: rotationCorrection ?? this.rotationCorrection,
       errorDescription: errorDescription != _defaultErrorDescription
           ? errorDescription
           : this.errorDescription,
@@ -368,6 +375,7 @@ class VideoPlayerController extends ValueNotifier<VideoPlayerValue> {
           value = value.copyWith(
             duration: event.duration,
             size: event.size,
+            rotationCorrection: event.rotationCorrection,
             isInitialized: event.duration != null,
             errorDescription: null,
           );
@@ -761,10 +769,29 @@ class _VideoPlayerState extends State<VideoPlayer> {
   Widget build(BuildContext context) {
     return _textureId == VideoPlayerController.kUninitializedTextureId
         ? Container()
-        : _videoPlayerPlatform.buildView(_textureId);
+        : _VideoPlayerWithRotation(
+            rotation: widget.controller.value.rotationCorrection,
+            child: _videoPlayerPlatform.buildView(_textureId),
+          );
   }
 }
 
+class _VideoPlayerWithRotation extends StatelessWidget {
+  const _VideoPlayerWithRotation(
+      {Key? key, required this.rotation, required this.child})
+      : super(key: key);
+  final int rotation;
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context) => rotation == 0
+      ? child
+      : Transform.rotate(
+          angle: rotation * math.pi / 180,
+          child: child,
+        );
+}
+
 /// Used to configure the [VideoProgressIndicator] widget's colors for how it
 /// describes the video's status.
 ///

packages/video_player/video_player/pubspec.yaml

@@ -3,7 +3,7 @@ description: Flutter plugin for displaying inline video with other Flutter
   widgets on Android, iOS, and web.
 repository: https://github.com/flutter/plugins/tree/main/packages/video_player/video_player
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+video_player%22
-version: 2.4.2
+version: 2.4.3
 
 environment:
   sdk: ">=2.14.0 <3.0.0"
@@ -23,9 +23,9 @@ dependencies:
   flutter:
     sdk: flutter
   html: ^0.15.0
-  video_player_android: ^2.2.17
+  video_player_android: ^2.3.5
   video_player_avfoundation: ^2.2.17
-  video_player_platform_interface: ^5.1.0
+  video_player_platform_interface: ^5.1.1
   video_player_web: ^2.0.0
 
 dev_dependencies:

packages/video_player/video_player/test/video_player_test.dart

@@ -4,6 +4,7 @@
 
 import 'dart:async';
 import 'dart:io';
+import 'dart:math' as math;
 
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -15,6 +16,8 @@ class FakeController extends ValueNotifier<VideoPlayerValue>
     implements VideoPlayerController {
   FakeController() : super(VideoPlayerValue(duration: Duration.zero));
 
+  FakeController.value(VideoPlayerValue value) : super(value);
+
   @override
   Future<void> dispose() async {
     super.dispose();
@@ -149,6 +152,27 @@ void main() {
         findsOneWidget);
   });
 
+  testWidgets('non-zero rotationCorrection value is used',
+      (WidgetTester tester) async {
+    final FakeController controller = FakeController.value(
+        VideoPlayerValue(duration: Duration.zero, rotationCorrection: 180));
+    controller.textureId = 1;
+    await tester.pumpWidget(VideoPlayer(controller));
+    final Transform actualRotationCorrection =
+        find.byType(Transform).evaluate().single.widget as Transform;
+    expect(
+        actualRotationCorrection.transform, equals(Matrix4.rotationZ(math.pi)));
+  });
+
+  testWidgets('no transform when rotationCorrection is zero',
+      (WidgetTester tester) async {
+    final FakeController controller = FakeController.value(
+        VideoPlayerValue(duration: Duration.zero, rotationCorrection: 0));
+    controller.textureId = 1;
+    await tester.pumpWidget(VideoPlayer(controller));
+    expect(find.byType(Transform), findsNothing);
+  });
+
   group('ClosedCaption widget', () {
     testWidgets('uses a default text style', (WidgetTester tester) async {
       const String text = 'foo';