# ndv (clip number) to idx (frame name) mapping
0 0 (files: /home/vidflosmart/app/media/2/zoompan/tmp/2_100_zp_TMP/frame-i000-*)
1 1 (files: /home/vidflosmart/app/media/2/zoompan/tmp/2_100_zp_TMP/frame-i001-*)
2 2 (files: /home/vidflosmart/app/media/2/zoompan/tmp/2_100_zp_TMP/frame-i002-*)