not working

main.py

@@ -277,7 +277,8 @@ def main():
         logger.info("Step 3: Initializing SAM2 processor")
         sam2_processor = SAM2Processor(
             checkpoint_path=config.get_sam2_checkpoint(),
-            config_path=config.get_sam2_config()
+            config_path=config.get_sam2_config(),
+            vos_optimized=config.get('models.sam2_vos_optimized', False)
         )
         
         # Initialize mask processor
@@ -595,6 +596,13 @@ def main():
                 logger.error(f"SAM2 processing failed for segment {segment_idx}")
                 continue
             
+            # Check if SAM2 produced adequate results
+            if len(video_segments) == 0:
+                logger.error(f"SAM2 produced no frames for segment {segment_idx}")
+                continue
+            elif len(video_segments) < 10:  # Expected many frames for a 5-second segment
+                logger.warning(f"SAM2 produced very few frames ({len(video_segments)}) for segment {segment_idx} - this may indicate propagation failure")
+            
             # Debug what SAM2 produced
             logger.info(f"Pipeline Debug: SAM2 completed for segment {segment_idx}")
             logger.info(f"Pipeline Debug: Generated masks for {len(video_segments)} frames")