Streaming Media Protocols

Streaming Media Protocols ,[object Object],Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

Streaming Media Protocols ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Streaming media is media types with time constraints and continuous data flow Content can be prerecorded or live Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

Why is HTTP not suitable for streaming ,[object Object],[object Object],[object Object],[object Object],[object Object],Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

Real-Time Transport Protocol (RTP) - basics ,[object Object],[object Object],[object Object],[object Object],Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

How does RTP help in correct media decoding? Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/ Header Information Function Packet Sequence number Allow the receiver to reconstruct the sender’s packet sequence M bit header information of significant events Significant events (such as a frame boundary) help in control of decoder operations Synchronization Source a 32 bit number ,[object Object]

How does RTP work?...Mixers & Translators ,[object Object],Mixers What it does? Resynchronizes media packets to reconstruct the stream & combines the streams How does it work? Acts a timing source and writes its own SSRC identifier into each RTP packet header Translator What it does? Transforms media packets based on network demands How does it work? Function includes changing encoding formats, regenerate packet sequence numbers, replicating from unicast to multicast… Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

Real-Time Control Protocol (RTCP) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

Real Time Streaming Protocol (RTSP) ,[object Object],[object Object],[object Object],[object Object],Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

How does RTSP work?…RTSP methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

How do the Protocols work together? RTSP RTP UDP TCP IP RTCP HTTP A Protocol Layer view Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/ Application Transport Network

How do the Protocols work together? RTSP Client Web Server HTTP GET Session Description including rtsp://audio.hiphop.com/track01 SETUP rtsp://audio.hiphop.com/track01 Transport:RTP/UDP:unicast:client_port=4588-4589 Acknowledgement, Sequence Number …. PLAY rtsp://audio.hiphop.com/track01 Cseq: XXX Sesssion = 420123 RTP Audio Streams RTCP Information TEARDOWN rtsp://audio.hiphop.com/track01 Cseq: XXX Sesssion = 420123 Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

Synchronized Multimedia Integratation Language ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

Proprietary Protocols ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],Sanjoy Sanyal: http://itforintelligentfolks.blogspot.com/

Streaming Media Protocols

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Streaming Media Protocols