Update: 2026-05-07 18:27:10

app/modules_app/voice/transcribe.php

@@ -49,7 +49,11 @@ if ($rawAudio === false) {
 }
 $base64Audio = base64_encode($rawAudio);
 
-$mimeType = detectAudioMimeType($tmpPath, (string)($audio['type'] ?? 'audio/m4a'));
+$mimeType = detectAudioMimeType(
+    $tmpPath,
+    (string)($audio['type'] ?? ''),
+    (string)($audio['name'] ?? '')
+);
 $intent = extractIntentFromAudio($base64Audio, $mimeType, $geminiApiKey);
 $execution = executeVoiceAction($decoded, $intent);
 
@@ -58,19 +62,17 @@ json_success([
     'execution' => $execution,
 ], 'تم تحليل الأمر الصوتي وتنفيذه');
 
-function detectAudioMimeType(string $path, string $fallback): string
+function detectAudioMimeType(string $path, string $fallback, string $fileName = ''): string
 {
     $allowed = [
-        'audio/mpeg',
         'audio/mp3',
-        'audio/mp4',
-        'audio/m4a',
+        'audio/mpeg',
         'audio/wav',
         'audio/x-wav',
-        'audio/webm',
-        'audio/ogg',
+        'audio/aiff',
         'audio/aac',
-        'audio/x-m4a',
+        'audio/ogg',
+        'audio/flac',
     ];
 
     $detected = $fallback;
@@ -85,8 +87,13 @@ function detectAudioMimeType(string $path, string $fallback): string
         }
     }
 
-    // Keep a safe supported fallback for Gemini audio understanding.
-    return in_array($detected, $allowed, true) ? $detected : 'audio/m4a';
+    if ($detected === 'audio/x-wav' || str_ends_with(strtolower($fileName), '.wav')) {
+        return 'audio/wav';
+    }
+
+    // The Flutter recorder now sends WAV. If the server cannot detect the part
+    // MIME type, use a Gemini-supported fallback instead of m4a/mp4.
+    return in_array($detected, $allowed, true) ? $detected : 'audio/wav';
 }
 
 function extractIntentFromAudio(string $base64Audio, string $mimeType, string $apiKey): array

musadaq-app/lib/features/dashboard/controllers/dashboard_controller.dart

@@ -251,14 +251,13 @@ class DashboardController extends GetxController {
 
     final tempDir = await getTemporaryDirectory();
     final path =
-        '${tempDir.path}/voice_${DateTime.now().millisecondsSinceEpoch}.m4a';
+        '${tempDir.path}/voice_${DateTime.now().millisecondsSinceEpoch}.wav';
 
     await _audioRecorder.start(
       const RecordConfig(
-        encoder: AudioEncoder.aacLc,
+        encoder: AudioEncoder.wav,
         sampleRate: 16000,
         numChannels: 1,
-        bitRate: 64000,
       ),
       path: path,
     );