add instructions

app.py

@@ -1,6 +1,6 @@
 import gradio as gr
 import openai
-import youtube_dl
+import yt_dlp
 import os
 openai.api_key = os.environ['OPENAI_API_KEY']
 
@@ -8,11 +8,12 @@ def asr(url):
     # download audio
     # Options for youtube-dl
     ydl_opts = {
-        'outtmpl': 'my_video.mp4'
+        'outtmpl': 'my_video.mp4',
+        'overwrites': True, 
     }
 
     # Create a youtube-dl object
-    ydl = youtube_dl.YoutubeDL(ydl_opts)
+    ydl = yt_dlp.YoutubeDL(ydl_opts)
 
     # Download the video
     info_dict = ydl.extract_info(url, download=True)
@@ -25,12 +26,28 @@ def asr(url):
             {"role": "user", "content": "Transcript: {transcript}. \n Translate the video conversation transcript into fluent Chinese. Chinese: ".format(transcript=transcript["text"])},
         ]
     )
-    return transcript["text"], output['choices'][0]['message']['content']
+    return output['choices'][0]['message']['content'], transcript["text"]
 
-demo = gr.Interface(fn=asr, inputs="text", 
+title = """
+韬译云间"""
+# Create an instruction input component
+instruction = """
+<div style="border: 2px solid #000; padding: 10px; border-radius: 5px;">
+一键输入视频链接，轻松实现中文翻译，畅享视频无障碍沟通 <span style="color: grey;">-- powered by OpenAI Whisper & ChatGPT.</span>.<br>
+
+1.将视频链接（支持Twitter、YouTube）复制粘贴至输入框，点击提交（Submit）即可;
+2.为保证翻译质量，目前仅支持处理时长不超过5分钟的短视频。
+</div>"""
+# Create a text input component
+text_input = gr.inputs.Textbox()
+
+demo = gr.Interface(fn=asr, 
+                    inputs=gr.inputs.Textbox(label="粘贴视频链接"),
                     outputs=[
-                        gr.outputs.Textbox(label="English"),
-                        gr.outputs.Textbox(label="Chinese"),
-                    ])
+                        gr.outputs.Textbox(label="中文"),
+                        gr.outputs.Textbox(label="英文"),
+                    ],
+                    title=title,
+                    description=instruction)
 
 demo.launch()