feature: added macOS support

Author: efraespada

example/lib/main.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:video_compress/video_compress.dart';
+import 'package:file_selector/file_selector.dart';
+import 'dart:io';
 
 void main() {
   runApp(MyApp());
@@ -61,15 +63,26 @@ class _MyHomePageState extends State<MyHomePage> {
       ),
       floatingActionButton: FloatingActionButton(
         onPressed: () async {
-          final file =
-              await ImagePicker().getVideo(source: ImageSource.gallery);
+          var file;
+          if (Platform.isMacOS) {
+            final typeGroup = XTypeGroup(label: 'videos', extensions: ['mov', 'mp4']);
+            file = await openFile(acceptedTypeGroups: [typeGroup]);
+          } else {
+            final picker = ImagePicker();
+            PickedFile pickedFile = await picker.getVideo(source: ImageSource.gallery);
+            file = File(pickedFile.path);
+          }
+          if (file == null) {
+            return;
+          }
           await VideoCompress.setLogLevel(0);
           final info = await VideoCompress.compressVideo(
             file.path,
             quality: VideoQuality.MediumQuality,
             deleteOrigin: false,
             includeAudio: true,
           );
+          print(info.path);
           if (info != null) {
             setState(() {
               _counter = info.path;

example/macos/.gitignore

@@ -0,0 +1,6 @@
+# Flutter-related
+**/Flutter/ephemeral/
+**/Pods/
+
+# Xcode-related
+**/xcuserdata/

example/macos/Flutter/Flutter-Debug.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
+#include "ephemeral/Flutter-Generated.xcconfig"

example/macos/Flutter/Flutter-Release.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "ephemeral/Flutter-Generated.xcconfig"

example/macos/Flutter/GeneratedPluginRegistrant.swift

@@ -0,0 +1,14 @@
+//
+//  Generated file. Do not edit.
+//
+
+import FlutterMacOS
+import Foundation
+
+import file_selector_macos
+import video_compress
+
+func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FileSelectorPlugin.register(with: registry.registrar(forPlugin: "FileSelectorPlugin"))
+  VideoCompressPlugin.register(with: registry.registrar(forPlugin: "VideoCompressPlugin"))
+}