fix: use combine for method channel communication

mobile/apps/photos/lib/services/isolated_ffmpeg_service.dart

@@ -1,8 +1,7 @@
 import "dart:async";
-import "dart:io";
 
+import "package:combine/combine.dart";
 import "package:computer/computer.dart";
-import "package:dart_ui_isolate/dart_ui_isolate.dart";
 import "package:ffmpeg_kit_flutter/ffmpeg_kit.dart";
 import "package:ffmpeg_kit_flutter/ffprobe_kit.dart";
 import "package:ffmpeg_kit_flutter/media_information.dart";
@@ -18,14 +17,13 @@ class IsolatedFfmpegService {
   }
 
   static Future<Map> runFfmpeg(String command) async {
-    return await flutterCompute<Map, String>(
-      _ffmpegRun,
-      command,
-    );
+    return await CombineWorker()
+        .executeWithArg<Map, String>(_ffmpegRun, command);
   }
 
-  static Future<Map> getVideoInfo(File file) async {
-    return flutterCompute<Map, String>(_getVideoProps, file.path);
+  static Future<Map> getVideoInfo(String file) async {
+    return await CombineWorker()
+        .executeWithArg<Map, String>(_getVideoProps, file);
   }
 }
 
@@ -56,9 +54,7 @@ Future<Map> _getVideoProps(String filePath) async {
 }
 
 @pragma('vm:entry-point')
-Future<Map> _ffmpegRun(
-  String value,
-) async {
+Future<Map> _ffmpegRun(String value) async {
   final session = await FFmpegKit.execute(value, true);
   final returnCode = (await session.getReturnCode())?.getValue();
 

mobile/apps/photos/lib/utils/exif_util.dart

@@ -70,7 +70,8 @@ Future<FFProbeProps?> getVideoPropsAsync(File originalFile) async {
   try {
     final stopwatch = Stopwatch()..start();
 
-    final mediaInfo = await IsolatedFfmpegService.getVideoInfo(originalFile);
+    final mediaInfo =
+        await IsolatedFfmpegService.getVideoInfo(originalFile.path);
     if (mediaInfo.isEmpty) {
       return null;
     }

mobile/apps/photos/pubspec.lock

@@ -324,6 +324,15 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.19.1"
+  combine:
+    dependency: "direct main"
+    description:
+      path: "."
+      ref: "feat_version_3.32.0"
+      resolved-ref: "49a02bc7b2d3636f7c3dba294371959f9f60a513"
+      url: "https://github.com/mobaink/combine.git"
+    source: git
+    version: "0.5.8"
   computer:
     dependency: "direct main"
     description:

mobile/apps/photos/pubspec.yaml

@@ -36,6 +36,10 @@ dependencies:
       url: https://github.com/ente-io/chewie.git
       ref: mybranched
   collection: #dart
+  combine:
+    git:
+      url: https://github.com/mobaink/combine.git
+      ref: feat_version_3.32.0
   computer: # logged task name in verbose in fork
     git: "https://github.com/ente-io/computer.git"
   connectivity_plus: ^6.0.2