RTSP Real Time Streaming Protocol Presented by Manoj

RTSP – Real Time Streaming Protocol Presented by Manoj Sivakumar

Overview n n Motivation RTSP - Architecture RTSP – Features Description of Working

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

RTSP - Architecture n Media file download

RTSP – Architecture. . contd n Meta Files

RTSP – Architecture. . contd n RTSP

RTSP - Features n n n “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

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

RTSP - Features n Methods n n n n n OPTIONS SETUP ANNOUNCE DESCRIBE PLAY RECORD REDIRECT PAUSE SET PARAMETER TEARDOWN

RTSP - Example

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

References n www. cs. columbia. edu/~hgs/teaching/ai s/slides/RTSP. pdf