rg3/youtube-dl — pull request #731 by CBGoodBuddy (2013-03-08 09:09:46+00:00)
Title: Add seq_index field for playlists (Issue #570)

This commit adds the info_dict['seq_index'] field. It is the sequence number in a video play list. The same field can be used in a -o output format specification as %(seq_index)s. Handles --playlist-start. Tested against YouTube playlist.