Update app.py

app.py

@@ -29,8 +29,17 @@ def transcribe(video_file, transcribe_to_text, transcribe_to_srt, language):
     )
     
     # Handle the video file input
+    if video_file is None:
+        yield "Error: No video file provided.", None
+        return
+
     video_path = video_file.name if hasattr(video_file, 'name') else video_file
-    video = VideoFileClip(video_path)
+    try:
+        video = VideoFileClip(video_path)
+    except Exception as e:
+        yield f"Error processing video file: {str(e)}", None
+        return
+
     audio = video.audio
     duration = video.duration
     n_chunks = math.ceil(duration / 30)
@@ -50,11 +59,16 @@ def transcribe(video_file, transcribe_to_text, transcribe_to_srt, language):
             if transcribe_to_srt:
                 for chunk in result["chunks"]:
                     start_time, end_time = chunk["timestamp"]
-                    transcription_srt.append({
-                        "start": start_time + i * 30,
-                        "end": end_time + i * 30,
-                        "text": chunk["text"]
-                    })
+                    # Handle potential None values
+                    if start_time is not None and end_time is not None:
+                        transcription_srt.append({
+                            "start": start_time + i * 30,
+                            "end": end_time + i * 30,
+                            "text": chunk["text"]
+                        })
+                    else:
+                        # Log or handle the case where timestamps are None
+                        print(f"Warning: Invalid timestamp for chunk: {chunk}")
         os.remove(temp_file_path)
         yield f"Progress: {int(((i + 1) / n_chunks) * 100)}%", None