video thumbnails extractor añadido

assets/referencia/video_thumbnail.txt

@@ -0,0 +1,69 @@
+import 'package:flutter/material.dart';
+import 'package:video_player/video_player.dart';
+
+class VideoScreenThumbnail extends StatefulWidget {
+  final dynamic video;
+  const VideoScreenThumbnail({Key? key, required this.video}) : super(key: key);
+
+  @override
+  State<VideoScreenThumbnail> createState() => _VideoScreenThumbnailState();
+}
+
+class _VideoScreenThumbnailState extends State<VideoScreenThumbnail> {
+  late VideoPlayerController _controllerVideo;
+  late bool startedPlaying;
+
+  @override
+  void initState() {
+    _controllerVideo = VideoPlayerController.network(widget.video);
+    _controllerVideo.initialize();
+    super.initState();
+    started();
+    _controllerVideo.setVolume(0);
+    _controllerVideo.pause();
+  }
+
+  Future<bool> started() async {
+    var renderized = false;
+    double height = 0;
+
+    await Future.delayed(const Duration(seconds: 2), () {
+      height = _controllerVideo.value.size.height;
+      if (height > 0) renderized = true;
+    });
+
+    return renderized;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder(
+      future: started(),
+      builder: ((context, AsyncSnapshot<bool> snapshot) {
+        if (snapshot.data ?? false) {
+          return Stack(
+            alignment: AlignmentDirectional.center,
+            children: [
+              VideoPlayer(_controllerVideo),
+              Column(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: const [
+                  SizedBox(height: 30),
+                ],
+              ),
+            ],
+          );
+        } else {
+          return const Center(child: CircularProgressIndicator());
+        }
+      }),
+    );
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+    var video = _controllerVideo;
+    video.dispose();
+  }
+}