Update app.py

app.py

@@ -86,11 +86,15 @@ class VideoProcessor:
                 # Extract audio to temporary file
                 audio_path = self.create_temp_path(".wav")
                 video.audio.write_audiofile(audio_path, fps=16000, verbose=False, logger=None)
-                
+
+                # Check if audio file is not empty
+                if os.path.getsize(audio_path) == 0:
+                    raise ValueError("Extracted audio file is empty")
+
                 # Transcribe using Whisper
                 result = self.whisper_model.transcribe(audio_path)
                 return result["segments"], video.duration
-                
+
         except Exception as e:
             raise Exception(f"Transcription error: {str(e)}")
 
@@ -202,7 +206,7 @@ def process_video(video_data, voice_type, generate_subtitles=True, subtitle_size
         progress_text.text("Creating final video...")
         
         # Combine audio clips
-        final_audio = CompositeVideoClip([*audio_clips])
+        final_audio = concatenate_audioclips(audio_clips)
         
         # Create final video
         if generate_subtitles:
@@ -272,33 +276,17 @@ def main():
     # Process video
     if st.button("Start Dubbing"):
         try:
-            with st.spinner("Processing video..."):
-                output_path = process_video(
-                    video_file.read(),
-                    voice_type,
-                    generate_subtitles,
-                    subtitle_size if generate_subtitles else 24,
-                    subtitle_color if generate_subtitles else 'white'
-                )
-                
-                # Show success message
-                st.success("டப்பிங் வெற்றிகரமாக முடிந்தது!")
-                
-                # Display video
-                st.video(output_path)
-                
-                # Download button
-                with open(output_path, "rb") as f:
-                    st.download_button(
-                        "⬇️ Download Dubbed Video",
-                        f,
-                        file_name="tamil_dubbed_video.mp4",
-                        mime="video/mp4"
-                    )
-                
+            output_video_path = process_video(
+                video_file.read(),
+                voice_type,
+                generate_subtitles=generate_subtitles,
+                subtitle_size=subtitle_size,
+                subtitle_color=subtitle_color
+            )
+            st.success("Video processing complete!")
+            st.video(output_video_path)
         except Exception as e:
-            st.error(f"Processing failed: {str(e)}")
-            st.error("Please try uploading a different video or check if the format is supported.")
+            st.error(f"Error: {e}")
 
 if __name__ == "__main__":
-    main()
+    main()