Littlejohn
Littlejohn
Programming language:Whatever
2021-05-08 10:10:13
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Q:

rtsp protocols

Trevor
Trevor
Code: Whatever
2021-07-07 01:15:01 
 
RFC 2326              Real Time Streaming Protocol            April 1998


   The protocol supports the following operations:

   Retrieval of media from media server:
          The client can request a presentation description via HTTP or
          some other method. If the presentation is being multicast, the
          presentation description contains the multicast addresses and
          ports to be used for the continuous media. If the presentation
          is to be sent only to the client via unicast, the client
          provides the destination for security reasons.

   Invitation of a media server to a conference:
          A media server can be "invited" to join an existing
          conference, either to play back media into the presentation or
          to record all or a subset of the media in a presentation. This
          mode is useful for distributed teaching applications. Several
          parties in the conference may take turns "pushing the remote
          control buttons."

   Addition of media to an existing presentation:
          Particularly for live presentations, it is useful if the
          server can tell the client about additional media becoming
          available.

   RTSP requests may be handled by proxies, tunnels and caches as in
   HTTP/1.1 [2].

1.2 Requirements

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [4].

1.3 Terminology

   Some of the terminology has been adopted from HTTP/1.1 [2]. Terms not
   listed here are defined as in HTTP/1.1.

   Aggregate control:
          The control of the multiple streams using a single timeline by
          the server. For audio/video feeds, this means that the client
          may issue a single play or pause message to control both the
          audio and video feeds.

   Conference:
          a multiparty, multimedia presentation, where "multi" implies
          greater than or equal to one.





Schulzrinne, et. al.        Standards Track                     [Page 6]
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