feat: Convert opus to aac on iOS before playing

ios/Podfile

@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-platform :ios, '12.0'
+platform :ios, '12.1'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'

ios/Runner.xcodeproj/project.pbxproj

@@ -475,7 +475,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.1;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -564,7 +564,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.1;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -613,7 +613,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.1;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;

lib/pages/chat/events/audio_player.dart

@@ -6,6 +6,7 @@ import 'package:flutter/material.dart';
 
 import 'package:just_audio/just_audio.dart';
 import 'package:matrix/matrix.dart';
+import 'package:nyx_converter/nyx_converter.dart';
 import 'package:path_provider/path_provider.dart';
 
 import 'package:fluffychat/utils/error_reporter.dart';
@@ -70,7 +71,34 @@ class AudioPlayerState extends State<AudioPlayerWidget> {
           widget.event.attachmentOrThumbnailMxcUrl()!.pathSegments.last,
         );
         file = File('${tempDir.path}/${fileName}_${matrixFile.name}');
+
         await file.writeAsBytes(matrixFile.bytes);
+
+        if (Platform.isIOS &&
+            matrixFile.mimeType.toLowerCase() == 'audio/ogg') {
+          Logs().v('Convert ogg audio file for iOS...');
+          final convertedFile = File('${file.path}.aac');
+          if (await convertedFile.exists()) {
+            file = convertedFile;
+          } else {
+            final completer = Completer<File>();
+            NyxConverter.convertTo(
+              file.path,
+              tempDir.path,
+              fileName: '${fileName}_${matrixFile.name}',
+              container: NyxContainer.aac,
+              execution: (
+                String? path,
+                NyxStatus status, {
+                String? errorMessage,
+              }) {
+                if (path != null) completer.complete(File(path));
+                if (errorMessage != null) completer.completeError(errorMessage);
+              },
+            );
+            file = await completer.future;
+          }
+        }
       }
 
       setState(() {

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -11,6 +11,7 @@ import desktop_drop
 import device_info_plus
 import dynamic_color
 import emoji_picker_flutter
+import ffmpeg_kit_flutter_full_gpl
 import file_selector_macos
 import flutter_app_badger
 import flutter_local_notifications
@@ -42,6 +43,7 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   DeviceInfoPlusMacosPlugin.register(with: registry.registrar(forPlugin: "DeviceInfoPlusMacosPlugin"))
   DynamicColorPlugin.register(with: registry.registrar(forPlugin: "DynamicColorPlugin"))
   EmojiPickerFlutterPlugin.register(with: registry.registrar(forPlugin: "EmojiPickerFlutterPlugin"))
+  FFmpegKitFlutterPlugin.register(with: registry.registrar(forPlugin: "FFmpegKitFlutterPlugin"))
   FileSelectorPlugin.register(with: registry.registrar(forPlugin: "FileSelectorPlugin"))
   FlutterAppBadgerPlugin.register(with: registry.registrar(forPlugin: "FlutterAppBadgerPlugin"))
   FlutterLocalNotificationsPlugin.register(with: registry.registrar(forPlugin: "FlutterLocalNotificationsPlugin"))

pubspec.lock

@@ -385,6 +385,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
+  ffmpeg_kit_flutter_full_gpl:
+    dependency: transitive
+    description:
+      name: ffmpeg_kit_flutter_full_gpl
+      sha256: "4f269bcb636bfcb544e5b4d65c706a3d311839970cb42638e72406410c1b5b7b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.0.3"
+  ffmpeg_kit_flutter_platform_interface:
+    dependency: transitive
+    description:
+      name: ffmpeg_kit_flutter_platform_interface
+      sha256: addf046ae44e190ad0101b2fde2ad909a3cd08a2a109f6106d2f7048b7abedee
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.1"
   file:
     dependency: transitive
     description:
@@ -1270,6 +1286,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.2"
+  nyx_converter:
+    dependency: "direct main"
+    description:
+      name: nyx_converter
+      sha256: "29684f29a650119f0417f7faa736c5b8ac65e5b32dbae40412bd6c3d7a692fc7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.1"
   olm:
     dependency: transitive
     description:

pubspec.yaml

@@ -66,6 +66,7 @@ dependencies:
   linkify: ^5.0.0
   matrix: ^0.31.0
   native_imaging: ^0.1.1
+  nyx_converter: ^0.1.1
   package_info_plus: ^6.0.0
   pasteboard: ^0.2.0
   path: ^1.9.0