[streaming] Re: rtsp issues

[Liu Andy]

Hi,

Anyone can say some about this ? thanks.


>From: "Liu Andy" <liuzhihua_2003 at hotmail.com>
>Reply-To: streaming at videolan.org
>To: vlc at videolan.org
>CC: vlc-devel at videolan.org, 
videolan-announce at videolan.org,streaming at videolan.org
>Subject: [streaming] rtsp issues
>Date: Wed, 22 Nov 2006 20:54:01 +0800
>
>Hi All,
>
>I'm trying to setup a rtsp VOD service, by using VLC 0.8.5 as both 
>media player and media server, then I meet some issues as following:
>
>related files:
>.../modules/misc/rtsp.c, main file for rtsp VOD server
>.../modules/demux/livedotcom.cpp, main file for rtsp VOD player
>
>A MPEG 1 or 2 media file, with postfix "mpg" is used in my test.
>
>1. separate ports for audio & video streaming. Port pair(source & 
>destination) for audio is different than that for video. For some 
>reason, I want to use only ONE port pair, i.e. audio & video can 
>share the same port pair, is there any method to do this within VLC 
>?
>
>2. invalid port in SDP. In SDP part of response to DESCRIBE message, 
>there is following line:
>    m=audio 0 RTP/AVP 14
>Obviously, port == 0 here, the port actually used in RTP module 
>seems to be selected randomly. I want to use a real, correct and 
>configurable port here. Any solution ?
>
>I checked samples of Helix, where only one port pair is used for 
>both audio and video; also, port value in SDP is correct. Seems VLC 
>has some bugs here.
>
>
>Thanks advance !
>
>BR
>Andy
>
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