Update app.py

app.py

@@ -82,6 +82,13 @@ def split_audio_if_needed(path):
     return files
 
 def transcribe_core(path, model):
+    # 處理 iPhone LINE 語音（mp4 audio-only）
+    if path.lower().endswith(".mp4"):
+        audio = AudioSegment.from_file(path, format="mp4")
+        tmp_path = path.replace(".mp4", ".wav")
+        audio.export(tmp_path, format="wav")
+        path = tmp_path
+
     chunks = split_audio_if_needed(path)
     txts = []
     for f in chunks:
@@ -97,6 +104,7 @@ def transcribe_core(path, model):
     summ = res.choices[0].message.content.strip()
     return full, summ
 
+
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