update prompts

meetus/frame_extractor.py

@@ -94,11 +94,21 @@ class FrameExtractor:
         try:
             result = subprocess.run(cmd, capture_output=True, text=True, check=True)
 
-            # Parse output to get frame timestamps
+            # Parse FFmpeg output to get frame timestamps from showinfo filter
+            import re
             frames_info = []
-            for img in sorted(self.output_dir.glob(f"{video_name}_*.jpg")):
-                # Extract timestamp from filename or use FFprobe
-                frames_info.append((str(img), 0.0))  # Timestamp extraction can be enhanced
+
+            # Extract timestamps from stderr (showinfo outputs there)
+            timestamp_pattern = r'pts_time:([\d.]+)'
+            timestamps = re.findall(timestamp_pattern, result.stderr)
+
+            # Match frames to timestamps
+            frame_files = sorted(self.output_dir.glob(f"{video_name}_*.jpg"))
+
+            for idx, img in enumerate(frame_files):
+                # Use extracted timestamp or fallback to index-based estimate
+                timestamp = float(timestamps[idx]) if idx < len(timestamps) else idx * 5.0
+                frames_info.append((str(img), timestamp))
 
             logger.info(f"Extracted {len(frames_info)} frames at scene changes")
             return frames_info