Update app.py

app.py

@@ -96,13 +96,28 @@ def transcribe_audio_chunks(chunks):
     return ' '.join(transcriptions)
 
 def download_file(url):
-    local_filename = url.split('/')[-1]
-    with requests.get(url, stream=True) as r:
-        r.raise_for_status()
-        with tempfile.NamedTemporaryFile(delete=False, suffix=os.path.splitext(local_filename)[1]) as temp_file:
-            for chunk in r.iter_content(chunk_size=8192):
-                temp_file.write(chunk)
-    return temp_file.name
+    with requests.Session() as session:
+        response = session.get(url, stream=True, allow_redirects=True)
+        response.raise_for_status()
+        
+        # Check if we can get the filename from Content-Disposition header
+        content_disposition = response.headers.get('Content-Disposition')
+        if content_disposition:
+            filename = re.findall("filename=(.+)", content_disposition)[0].strip('"')
+        else:
+            # If not, use a default name with .mp4 extension
+            filename = 'downloaded_video.mp4'
+
+        # Save the content to a temporary file with .mp4 extension
+        with tempfile.NamedTemporaryFile(delete=False, suffix='.mp4') as temp_file:
+            for chunk in response.iter_content(chunk_size=8192):
+                if chunk:
+                    temp_file.write(chunk)
+            temp_file_path = temp_file.name
+
+    logger.info(f"File downloaded and saved as: {temp_file_path}")
+    return temp_file_path
+
 
 def get_file_info(file_path):
     try: