From 88d22477d50a4aaddd6404d057aa180378ca049b Mon Sep 17 00:00:00 2001
From: zarzet <zarzet@users.noreply.github.com>
Date: Mon, 13 Apr 2026 02:47:59 +0700
Subject: [PATCH] fix: preserve existing M4A metadata during embed and enable
 BuildConfig generation

---
 android/app/build.gradle.kts     | 4 ++++
 lib/services/ffmpeg_service.dart | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/android/app/build.gradle.kts b/android/app/build.gradle.kts
index 75293943..d8fefd0e 100644
--- a/android/app/build.gradle.kts
+++ b/android/app/build.gradle.kts
@@ -20,6 +20,10 @@ android {
     compileSdk = flutter.compileSdkVersion
     ndkVersion = flutter.ndkVersion
 
+    buildFeatures {
+        buildConfig = true
+    }
+
     compileOptions {
         isCoreLibraryDesugaringEnabled = true
         sourceCompatibility = JavaVersion.VERSION_17
diff --git a/lib/services/ffmpeg_service.dart b/lib/services/ffmpeg_service.dart
index e34c5174..bcf5bea6 100644
--- a/lib/services/ffmpeg_service.dart
+++ b/lib/services/ffmpeg_service.dart
@@ -1473,7 +1473,7 @@ class FFmpegService {
     required String m4aPath,
     String? coverPath,
     Map<String, String>? metadata,
-    bool preserveMetadata = false,
+    bool preserveMetadata = true,
   }) async {
     final tempDir = await getTemporaryDirectory();
     final tempOutput = _nextTempEmbedPath(tempDir.path, '.m4a');