[youtube] Extracting URL: t-HNI0oOG0Q
[youtube] t-HNI0oOG0Q: Downloading webpage
[youtube] t-HNI0oOG0Q: Downloading ios player API JSON
[youtube] t-HNI0oOG0Q: Downloading mweb player API JSON
[youtube] t-HNI0oOG0Q: Downloading player e7567ecf
[youtube] t-HNI0oOG0Q: Downloading m3u8 information
[youtube] Downloading comment section API JSON
[info] t-HNI0oOG0Q: Downloading 1 format(s): 605+251
[info] Writing video metadata as JSON to: The_Smile_Song_double_rainboom-The_Art_Tutorials_easy_level-20140217-youtube-640x360-t-HNI0oOG0Q.info.json