url: Final video URL.
title: Video title, unescaped.
ext: Video filename extension.
- uploader: Full name of the video uploader.
- upload_date: Video upload date (YYYYMMDD).
The following fields are optional:
format: The video format, defaults to ext (used for --get-format)
thumbnail: Full URL to a video thumbnail image.
description: One-line video description.
+ uploader: Full name of the video uploader.
+ upload_date: Video upload date (YYYYMMDD).
uploader_id: Nickname or id of the video uploader.
player_url: SWF Player URL (used for rtmpdump).
subtitles: The .srt file contents.