From b2fcdf4323ca6c9416a99ea9056a4ea5b918dd4a Mon Sep 17 00:00:00 2001
From: "Barry vd. Heuvel" <barry@fruitcake.nl>
Date: Thu, 2 Apr 2026 14:39:15 +0200
Subject: [PATCH 1/3] Normalize mimeType for audio.wav

Normalizes legacy formats to audio/wav
---
 src/ValueObjects/Media/Media.php | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/ValueObjects/Media/Media.php b/src/ValueObjects/Media/Media.php
index 90c4bd096..e315fcf8d 100644
--- a/src/ValueObjects/Media/Media.php
+++ b/src/ValueObjects/Media/Media.php
@@ -249,14 +249,15 @@ public function base64(): ?string
 
     public function mimeType(): ?string
     {
-        if ($this->mimeType) {
-            return $this->mimeType;
-        }
-
-        if ($content = $this->rawContent()) {
+        if ($this->mimeType === null && $content = $this->rawContent()) {
             $this->mimeType = (new finfo(FILEINFO_MIME_TYPE))->buffer($content) ?: null;
         }
 
+        $this->mimeType = match (strtolower($this->mimeType)) {
+            'audio/x-wav', 'audio/wave', 'audio/x-pn-wav', 'audio/vnd.wave' => 'audio/wav',
+            default => $this->mimeType,
+        };
+
         return $this->mimeType;
     }
 

From b819dc69b526a6262dbcaf1b6d8c81d11ed5713a Mon Sep 17 00:00:00 2001
From: "Barry vd. Heuvel" <barry@fruitcake.nl>
Date: Thu, 2 Apr 2026 14:43:20 +0200
Subject: [PATCH 2/3] Fix mime type from 'audio/x-wav' to 'audio/wav'

---
 tests/Providers/Gemini/GeminiMediaTest.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/Providers/Gemini/GeminiMediaTest.php b/tests/Providers/Gemini/GeminiMediaTest.php
index fe1cab83d..f47edfcd2 100644
--- a/tests/Providers/Gemini/GeminiMediaTest.php
+++ b/tests/Providers/Gemini/GeminiMediaTest.php
@@ -153,7 +153,7 @@ function (Request $request): bool {
                     'text' => 'Transcribe this audio',
                 ])
                 ->and($message[1]['inline_data'])->toHaveKeys(['mime_type', 'data'])
-                ->and($message[1]['inline_data']['mime_type'])->toBe('audio/x-wav')
+                ->and($message[1]['inline_data']['mime_type'])->toBe('audio/wav')
                 ->and($message[1]['inline_data']['data'])->toBe(
                     base64_encode(file_get_contents('tests/Fixtures/sample-audio.wav'))
                 );
@@ -171,7 +171,7 @@ function (Request $request): bool {
             $audioUrl => Http::response(
                 file_get_contents('tests/Fixtures/sample-audio.wav'),
                 200,
-                ['Content-Type' => 'audio/x-wav']
+                ['Content-Type' => 'audio/wav']
             ),
         ]);
 
@@ -197,7 +197,7 @@ function (Request $request): bool {
                         'text' => 'What is in this audio',
                     ])
                     ->and($message[1]['inline_data'])->toHaveKeys(['mime_type', 'data'])
-                    ->and($message[1]['inline_data']['mime_type'])->toBe('audio/x-wav')
+                    ->and($message[1]['inline_data']['mime_type'])->toBe('audio/wav')
                     ->and($message[1]['inline_data']['data'])->toBe(
                         base64_encode(file_get_contents('tests/Fixtures/sample-audio.wav'))
                     );

From dc20d12f71a5cc9940da860527a120a8f6953b1b Mon Sep 17 00:00:00 2001
From: "Barry vd. Heuvel" <barry@fruitcake.nl>
Date: Thu, 2 Apr 2026 14:44:11 +0200
Subject: [PATCH 3/3] Refactor mimeType matching to remove strtolower

---
 src/ValueObjects/Media/Media.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ValueObjects/Media/Media.php b/src/ValueObjects/Media/Media.php
index e315fcf8d..fe1628c3d 100644
--- a/src/ValueObjects/Media/Media.php
+++ b/src/ValueObjects/Media/Media.php
@@ -253,7 +253,7 @@ public function mimeType(): ?string
             $this->mimeType = (new finfo(FILEINFO_MIME_TYPE))->buffer($content) ?: null;
         }
 
-        $this->mimeType = match (strtolower($this->mimeType)) {
+        $this->mimeType = match ($this->mimeType) {
             'audio/x-wav', 'audio/wave', 'audio/x-pn-wav', 'audio/vnd.wave' => 'audio/wav',
             default => $this->mimeType,
         };