Getting duration of video outside the videoplayer widget

// Automatic FlutterFlow imports
import '/backend/backend.dart';
import '/backend/schema/structs/index.dart';
import '/actions/actions.dart' as action_blocks;
import '/flutter_flow/flutter_flow_theme.dart';
import '/flutter_flow/flutter_flow_util.dart';
import '/custom_code/widgets/index.dart'; // Imports other custom widgets
import '/custom_code/actions/index.dart'; // Imports custom actions
import '/flutter_flow/custom_functions.dart'; // Imports custom functions
import 'package:flutter/material.dart';
// Begin custom widget code
// DO NOT REMOVE OR MODIFY THE CODE ABOVE!

import 'package:chewie/chewie.dart';
import 'package:intl/intl.dart';
import 'package:video_player/video_player.dart';

class FlickVideoPlayer extends StatefulWidget {
  final String videoUrl;
  final DateTime date;
  final double? width;
  final double? height;

  const FlickVideoPlayer({
    Key? key,
    required this.videoUrl,
    required this.date,
    this.width,
    this.height,
  }) : super(key: key);

  @override
  _FlickVideoPlayerState createState() => _FlickVideoPlayerState();
}

class _FlickVideoPlayerState extends State<FlickVideoPlayer> {
  late VideoPlayerController _videoPlayerController;
  ChewieController? _chewieController;

  @override
  void initState() {
    super.initState();
    initializePlayer();
  }

  Future<void> initializePlayer() async {
    _videoPlayerController =
        VideoPlayerController.networkUrl(Uri.parse(widget.videoUrl));
    await _videoPlayerController.initialize();

    _chewieController = ChewieController(
      videoPlayerController: _videoPlayerController,
      autoPlay: false,
      looping: false,
      aspectRatio: 16 / 9,
      placeholder: Center(child: CircularProgressIndicator()),
    );

    setState(() {});
  }

  @override
  void dispose() {
    _videoPlayerController.dispose();
    _chewieController?.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return SizedBox(
      width: widget.width,
      height: widget.height,
      child: Card(
        clipBehavior: Clip.antiAlias,
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            if (_chewieController != null &&
                _videoPlayerController.value.isInitialized)
              AspectRatio(
                aspectRatio: _videoPlayerController.value.aspectRatio,
                child: Chewie(controller: _chewieController!),
              )
            else
              AspectRatio(
                aspectRatio: 16 / 9,
                child: Center(child: CircularProgressIndicator()),
              ),
          ],
        ),
      ),
    );
  }
}