drop

Signed-off-by: dom <githubaccount56556@proton.me>

lib/plugin/pl_player/view/simple_video_texture.dart

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+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:media_kit_video/media_kit_video.dart';
+
+class SimpleVideoTexture extends StatefulWidget {
+  final Color fill;
+  final VideoController controller;
+  final double? aspectRatio;
+  final FilterQuality filterQuality;
+
+  const SimpleVideoTexture({
+    super.key,
+    this.fill = Colors.black,
+    required this.controller,
+    this.aspectRatio,
+    this.filterQuality = FilterQuality.low,
+  });
+
+  @override
+  State<SimpleVideoTexture> createState() => SimpleVideoTextureState();
+}
+
+class SimpleVideoTextureState extends State<SimpleVideoTexture> {
+  late double _devicePixelRatio;
+  late bool _visible =
+      widget.controller.player.state.width > 0 &&
+      widget.controller.player.state.height > 0;
+
+  late final StreamSubscription<(int, int)> _subscription;
+
+  @override
+  void initState() {
+    super.initState();
+    // --------------------------------------------------
+    // Do not show the video frame until width & height are available.
+    // Since [ValueNotifier<Rect?>] inside [VideoController] only gets updated by the render loop (i.e. it will not fire when video's width & height are not available etc.), it's important to handle this separately here.
+    _subscription = widget.controller.player.stream.size.listen((value) {
+      final visible = value.$1 > 0 && value.$2 > 0;
+      if (_visible != visible) {
+        _visible = visible;
+        // ignore: invalid_use_of_visible_for_testing_member, invalid_use_of_protected_member
+        widget.controller.rect.notifyListeners();
+      }
+    });
+  }
+
+  @override
+  void dispose() {
+    _subscription.cancel();
+    super.dispose();
+  }
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    _devicePixelRatio = MediaQuery.devicePixelRatioOf(context);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final ctr = widget.controller;
+    return ListenableBuilder(
+      listenable: Listenable.merge([ctr.id, ctr.rect]),
+      builder: (context, _) {
+        final id = ctr.id.value;
+        final rect = ctr.rect.value;
+        if (id != null && rect != null && _visible) {
+          return SizedBox(
+            width: widget.aspectRatio == null
+                ? rect.width / _devicePixelRatio
+                : rect.height / _devicePixelRatio * widget.aspectRatio!,
+            height: rect.height / _devicePixelRatio,
+            child: Stack(
+              children: [
+                if (rect.width <= 1.0 &&
+                    rect.height <= 1.0 &&
+                    widget.fill != Colors.transparent)
+                  Positioned.fill(child: ColoredBox(color: widget.fill)),
+                Texture(textureId: id, filterQuality: widget.filterQuality),
+              ],
+            ),
+          );
+        }
+        return const SizedBox();
+      },
+    );
+  }
+}