Update app.py

app.py

@@ -134,9 +134,16 @@ def convert_video(video_file, quality, aspect_ratio, video_url):
 
 
 video_file = gr.File(label="Video File")
-quality = gr.Dropdown(
-    "27", ["18", "23", "27", "28", "32"], label="Quality")
-aspect_ratio = gr.Dropdown(["16:9",  "1:1", "4:3", "3:2", "5:4", "21:9", "1.85:1", "2.35:1", "3:1", "360", "9:16", "2:1", "1:2", "9:1"], label="Aspect ratio (width:height)", default="16:9")
+quality = gr.inputs.Dropdown(
+    choices=["18", "23", "27", "28", "32"], 
+    default="27", 
+    label="Quality"
+)
+aspect_ratio = gr.inputs.Dropdown(
+    choices=["16:9",  "1:1", "4:3", "3:2", "5:4", "21:9", "1.85:1", "2.35:1", "3:1", "360", "9:16", "2:1", "1:2", "9:1"], 
+    default="16:9", 
+    label="Aspect ratio (width:height)"
+)
 standard_resolutions = [4320, 2160, 1440, 1080, 720, 480, 360, 240, 144]  # 8K, 4K, 2K, Full HD, HD, SD in pixels
 video_url = gr.Textbox(label="Or enter video URL")