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RTSP – Real Time Streaming Protocol

Explore the architecture, features, and working motivation of RTSP as an application level protocol for internet video on demand. Learn about media file download, meta files, retrieval methods, and device control integrated with web architecture.

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RTSP – Real Time Streaming Protocol

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  1. RTSP – Real Time Streaming Protocol Presented by Manoj Sivakumar

  2. Overview • Motivation • RTSP - Architecture • RTSP – Features • Description of Working

  3. Motivation • Internet Video On Demand • Internet VCR • Requirements like pause, record etc • Integration with web architecture • A new application level protocol for media files

  4. RTSP - Architecture • Media file download

  5. RTSP – Architecture ..contd • Meta Files

  6. RTSP – Architecture ..contd • RTSP

  7. RTSP - Features • “rough” synchronization (fine-grained) • virtual presentations = synchronized playback from several servers • load balancing using redirection at connect, during stream • supports any session description • device control  camera pan, zoom, tilt • caching: similar to HTTP

  8. RTSP - Features • Retrieval: • first, get presentation description • Unicast • multicast, client chooses address • multicast, server chooses address (NVOD) • independent of stream file format

  9. RTSP - Features • Methods • OPTIONS • SETUP • ANNOUNCE • DESCRIBE • PLAY • RECORD • REDIRECT • PAUSE • SET PARAMETER • TEARDOWN

  10. RTSP - Example

  11. RTSP - Time • Normal Play Time (NPT) : seconds, microseconds • SMPTE timestamps: seconds, frames • Absolute time ( for live events)

  12. References • www.cs.columbia.edu/~hgs/teaching/ais/slides/RTSP.pdf

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