Refactor transcribe function to prioritize video

app.py

@@ -37,16 +37,16 @@ def transcribe_video(video_url):
 
 
 def transcribe(video_url="", audio=None):
-    if audio:
-        return transcribe_audio(audio)
-    elif video_url:
+    if video_url.strip() != "":
         return transcribe_video(video_url)
+    else:
+        return transcribe_audio(audio)
 
 
 iface = gr.Interface(
     fn=transcribe,
     inputs=[
-        gr.Textbox(label="Enter video URL"),
+        gr.Textbox(label="Enter video URL", placeholder="Or leave empty to use microphone"),
         gr.Audio(sources=["microphone"], type="filepath"),
     ],
     outputs="text",