BOXING: Manny Pacquiao vs Brandon Rios (LIVE STREAMING) 2
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Credits To wikipedia
HTTP Live Streaming (also known as HLS) is an HTTP-based media streaming communications protocol implemented by Apple Inc. as part of their QuickTime and iOS software. It works by breaking the overall stream into a sequence of small HTTP-based file downloads, each download loading one short chunk of an overall potentially unbounded transport stream. As the stream is played, the client may select from a number of different alternate streams containing the same material encoded at a variety of data rates, allowing the streaming session to adapt to the available data rate. At the start of the streaming session, it downloads an extended M3U (m3u8) playlist containing the metadata for the various sub-streams which are available. Since its requests use only standard HTTP transactions, HTTP Live Streaming is capable of traversing any firewall or proxy server that lets through standard HTTP traffic, unlike UDP-based protocols such as RTP. This also allows content to be delivered over widely available CDNs. HLS also specifies a standard encryption mechanism using AES and a method of secure key distribution using HTTPS with either a device specific realm login or HTTP cookie which together provide a simple DRM system. Later versions of the protocol also provide for trick mode fast-forward and rewind and integration of subtitles. Uplynk has also added the AES scrambling and base-64 encoding of the DRM content key with a 128-bit device specific key for registered commercial devices together with a sequential initialization Vector for each chunk to their implementation of the standard. So the use of a DRM content key requires secret closed source code to obscure device specific information making a complete GNU General Public License product impossible to legally develop for the Linux-libre community.