flutter_media_picker/lib/src/service/media_picker_service.dart

import 'dart:typed_data';

import 'package:flutter/material.dart';
import 'package:flutter_media_picker/src/abstracts/media_picker_service.dart';
import 'package:image_picker/image_picker.dart';
import 'package:flutter_media_picker/video_player/video_player_native.dart'
    if (dart.library.html) 'package:media_picker/video_player/video_player_web.dart'
    as vp;
import 'package:video_player/video_player.dart';

class MediaPickerFileService implements MediaPickerService {
  late VideoPlayerController controller;

  @override
  Future<Uint8List?> pickImageFile() async {
    var image = await ImagePicker().pickImage(source: ImageSource.camera);

    if (image != null) {
      return image.readAsBytes();
    }
    return Future.value(null);
  }

  @override
  Future<Uint8List?> pickVideoFile() async {
    var video = await ImagePicker().pickVideo(source: ImageSource.camera);

    if (video != null) {
      return video.readAsBytes();
    }
    return Future.value(null);
  }

  Future<Widget> videoPlayer(Uint8List video) async {
    await _initialize(video);
    return VideoPlayer(controller);
  }

  _initialize(Uint8List video) async {
    controller = await vp.VideoPlayerWrapper().getController(video);

    await controller.initialize();
    await controller.setLooping(true);
    await controller.play();
  }
}