Update app.py

app.py

@@ -15,10 +15,12 @@ from concurrent.futures import ThreadPoolExecutor
 import ffmpeg
 
 def process_video(video_file, youtube_url, language_choice):
-    if language_choice == None or (video_file == None and youtube_url == None):
-        return None
-    if video_file != None and youtube_url != None:
-        return None
+    if language_choice == None:
+        return None, "Select a language to translate to."
+    elif video_file == None and youtube_url == None:
+        return None, "Upload either a video or a valid youtube URL."        
+    elif video_file != None and youtube_url != None:
+        return None, "Videos contradict. Delete either the uploaded video or youtube URL."
     elif video_file == None and youtube_url != None:
         yt = YouTube(youtube_url)
         yt.streams.filter(progressive=True, file_extension='mp4').first().download(filename="original.mp4")
@@ -103,7 +105,7 @@ def process_video(video_file, youtube_url, language_choice):
             print(e.stderr.decode('utf-8'))
 
         print(f"Final video with subtitles saved to: {final_video_with_subs_path}")
-        return final_video_with_subs_path
+        return final_video_with_subs_path, "Video language and language selection are the same, audio not changed."
     else:
         target_se, audio_name = se_extractor.get_se(reference_speaker, tone_color_converter, vad=False)
         
@@ -252,7 +254,7 @@ def process_video(video_file, youtube_url, language_choice):
     
             print(f"Final video with subtitles saved to: {final_video_with_subs_path}")
     
-            return final_video_with_subs_path
+            return final_video_with_subs_path, "Video successfully translated."
 
 #Gradio Interface
 language_choices = ts.get_languages("google")["en"]
@@ -265,7 +267,10 @@ gr.Interface(
         gr.Textbox(label="OR enter a YouTube video URL"),
         gr.Dropdown(choices=language_choices, label="Choose Language for Translation (Expressed in ISO 639-1 code)")
     ],
-    outputs=gr.Video(label="Translated Video", format='mp4'),
+    outputs=[
+        gr.Video(label="Translated Video", format='mp4'),
+        gr.Textbox(label=None)
+    ],
     title="Video Translation and Voice Cloning",
     description="Upload a video, choose a language to translate the audio, and download the processed video with translated audio."
 ).launch()