Update app.py

app.py

@@ -1,6 +1,4 @@
-"""
-Main application entry point for the Video Translator.
-"""
+
 import os
 import tempfile
 import shutil
@@ -22,15 +20,6 @@ logger = get_logger(__name__)
 def process_video(video_file, source_lang, target_langs, progress=gr.Progress()):
     """
     Process video file and generate translated versions.
-    
-    Args:
-        video_file (str): Path to the uploaded video file
-        source_lang (str): Source language name
-        target_langs (list): List of target language names
-        progress (gr.Progress): Gradio progress tracker
-        
-    Returns:
-        list: List of paths to translated videos
     """
     try:
         # Convert language names to codes
@@ -99,17 +88,27 @@ def process_video(video_file, source_lang, target_langs, progress=gr.Progress())
 def create_app():
     """
     Create and configure the Gradio application.
-    
-    Returns:
-        gr.Blocks: Configured Gradio application
     """
-    with gr.Blocks(title="Video Translator") as demo:
+    # Get path to sample video
+    sample_video_path = str(Path(__file__).parent / "samples" / "test_video.mp4")
+    sample_exists = Path(sample_video_path).exists()
+
+    with gr.Blocks(title="Video Translator") as app:
         gr.Markdown("# LinguaStream➿")
         gr.Markdown("A Multilingual Audio and Video dubbing tool with supported subtitles.")
         
         with gr.Row():
             with gr.Column(scale=1):
                 video_input = gr.Video(label="Upload Video")
+                
+                # Sample video button
+                if sample_exists:
+                    with gr.Row():
+                        sample_btn = gr.Button("Load Sample Video", variant="secondary")
+                        @sample_btn.click(inputs=[], outputs=[video_input])
+                        def load_sample():
+                            return sample_video_path
+                
                 source_lang = gr.Dropdown(
                     choices=sorted(list(LANGUAGES.keys())), 
                     value="English", 
@@ -136,6 +135,19 @@ def create_app():
             outputs=output_gallery
         )
         
+        # Add sample download instructions if sample doesn't exist
+        if not sample_exists:
+            gr.Markdown("""
+            ## Sample Video Not Found
+            To test the app, please upload your own video or place a test video at:
+            `samples/test_video.mp4`
+            """)
+        else:
+            gr.Markdown(f"""
+            ## Sample Video Loaded
+            Click "Load Sample Video" to test with a {get_video_duration(sample_video_path):.1f}-second sample.
+            """)
+        
         gr.Markdown("""
         ## How it works
         
@@ -153,11 +165,12 @@ def create_app():
         - Embedded subtitles
         """)
         
-    return demo
+    return app
 
 if __name__ == "__main__":
-    app = create_app()
-    app.launch()
+    # Create output directories if they don't exist
+    (OUTPUT_DIR / "temp").mkdir(parents=True, exist_ok=True)
+    (OUTPUT_DIR / "logs").mkdir(parents=True, exist_ok=True)
     
-    # app.launch(share=True,server_name='0.0.0.0', server_port=7860)  # Corrected launch parameters
-
+    app = create_app()
+    app.launch()