[vlc-devel] [PATCH]RTSP Trickplay in 0.8.6c
Ross Finlayson
finlayson at live555.com
Fri Nov 23 01:00:36 CET 2007
> From my reading of the RFC2326 document, there is no way to know if the
>server supports the Scale feature as it's an optional feature in the RFC
>spec. Ross might be able to comment on if I'm mistaken here.
I believe that's correct.
I think the only (reliable) way to determine whether or not a server
supports "scale" is to look at the value that the server returns in
response to a "PLAY". As I noted earlier:
> Note that the LIVE555 libraries already do this. After you've called
> "playMediaSession()" (or "playMediaSubsession()") with the desired
> "scale" parameter, simply call "session.scale()" (or
> "subsession.scale()") to get the actual scale factor that the server
> chose to support.
--
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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