Most YouTube video use adaptive bit rate (ABR) format streaming which means that there is not just a single bit rate. For ABR multiple bit rate versions of the video are created and each one is broken down into equal length (by time) chunks – e.g. 10 second chunks. The client player is then able … Read more
A YouTube video URL may be encountered in a variety of formats: latest short format: http://youtu.be/NLqAF9hrVbY iframe: http://www.youtube.com/embed/NLqAF9hrVbY iframe (secure): https://www.youtube.com/embed/NLqAF9hrVbY object param: http://www.youtube.com/v/NLqAF9hrVbY?fs=1&hl=en_US object embed: http://www.youtube.com/v/NLqAF9hrVbY?fs=1&hl=en_US watch: http://www.youtube.com/watch?v=NLqAF9hrVbY users: http://www.youtube.com/user/Scobleizer#p/u/1/1p3vcRhsYGo ytscreeningroom: http://www.youtube.com/ytscreeningroom?v=NRHVzbJVx8I any/thing/goes!: http://www.youtube.com/sandalsResorts#p/c/54B8C800269D7C1B/2/PPS-8DMrAn4 any/subdomain/too: http://gdata.youtube.com/feeds/api/videos/NLqAF9hrVbY more params: http://www.youtube.com/watch?v=spDj54kf-vY&feature=g-vrec query may have dot: http://www.youtube.com/watch?v=spDj54kf-vY&feature=youtu.be nocookie domain: http://www.youtube-nocookie.com Here is a PHP function with a … Read more
How do I get the YouTube video ID from a URL?
How do I get a YouTube video thumbnail from the YouTube API?
I believe it is when the video was last updated. I don’t think it has to do with the user logging in.