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s : streaming-server-users@lists.apple.com 13 January 2006 • 8:16PM -0500

Re: Streaming rtp to windows media player and real player
by Saurabh Garg

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Hi,

The content I'm streaming is a live RTP stream incomming to the QTSS, which
the QTSS replicates and distributes across clients. The codec should not be
an issue as Real Player supports u-law and a-law which the stream is encoded
with.

The problem is that Real Player does not give any error message or ny other
information and keeps waiting.

Thanks,
Saurabh.

----- Original Message -----
From: "Marshall Eubanks" <tme@mult...>
To: "Saurabh Garg" <sgarg@ipun...>
Cc: "Ogonowski, Greg" <greg@orba...>; "George Cook" <cook5@appl...>;
"Neil Smith [MVP Digital Media]" <quicktime@coma...>;
<streaming-server-users@list...>
Sent: Friday, January 13, 2006 5:42 PM
Subject: Re: Streaming rtp to windows media player and real player


> RealPlayer supports rtsp and also a bunch (but not all) of the open
> formats (MP3, for example). SDP files should interoperate between QT
> and Real.
>
> AFAIK they don't currently support streaming H.264, but I have been
> told that is in the works.
>
> Regards
> Marshall Eubanks
>
> On Jan 13, 2006, at 6:48 AM, Saurabh Garg wrote:
>
> > Hi,
> >
> > Thanks for the answers.
> >
> > As per my understanding, the QTSS will negotiate the sdp contents
> > once a
> > call is made to the server from a client. In my setup, the sdp file
> > is one
> > that the server published, and is placed in the media's folder.
> >
> > A Quicktime Client, Winamp and VLC player can access the streaming
> > audio
> > using url rtsp://localhost/streamingmedia.
> >
> > Does that mean, that the Real Player and Windows Media Player are
> > not able
> > to communicate with the QTSS in first place, and therefore do not
> > receive
> > any sdp content to be used to play the media ?
> >
> > or is it that the sdp contents are received, but the players refuse
> > to play
> > ?
> >
> > Also, I have read that Real Player is the default player for .sdp
> > files.
> > Though my streamingmedia.sdp file placed in QTSS, when I open
> > through real
> > it does not connect and play the contents either (though Quicktime
> > Server
> > playes).
> >
> > Is there any workaroud which can be made, like publishing
> > appropriate .rm
> > and .mms files that will enable these two players to receive streams.
> >
> > Thanks in advance,
> > Saurabh.
> >
> > ----- Original Message -----
> > From: "Ogonowski, Greg" <greg@orba...>
> > To: "George Cook" <cook5@appl...>; "Neil Smith [MVP Digital Media]"
> > <quicktime@coma...>
> > Cc: <streaming-server-users@list...>
> > Sent: Friday, January 13, 2006 3:55 AM
> > Subject: RE: Streaming rtp to windows media player and real player
> >
> >
> > This is correct.
> > -greg.
> >
> > -----Original Message-----
> > From: streaming-server-users-bounces+greg=orban.com@list...
> > [mailto:streaming-server-users-bounces+greg=orban.com@list...]
> > On Behalf Of George Cook
> > Sent: Thursday, January 12, 2006 12:15
> > To: Neil Smith [MVP Digital Media]
> > Cc: streaming-server-users@list...
> > Subject: Re: Streaming rtp to windows media player and real player
> >
> > Neil:
> >
> > Windows Media supports rtsp/rtp protocols, but only for .asf and .wmv.
> > Windows Media Server and Windows Media Client don't support ISO mpeg-4
> > .mp4 or 3ggp .3gp. QTSS/DSS does not support streaming Microsoft's
> > proprietary .asf and .wmv files/formats.
> >
> > As a result:
> > - QTSS cannot be used to stream to Windows Media clients (without
> > plug-ins that might support ISO mpeg-4, 3gp, etc).
> > - Windows Media Server cannot be used to stream ISO mpeg-4 to
> > QuickTime
> > (or other clients that support mpeg-4 streaming).
> >
> > I believe that is what Greg was referring to.
> >
> > -George
> >
> > On Jan 11, 2006, at 4:53 PM, Neil Smith [MVP Digital Media] wrote:
> >
> >> At 20:06 11/01/2006, you wrote:
> >>> Message: 7
> >>> Date: Wed, 11 Jan 2006 10:23:44 -0800
> >>> From: "Greg J. Ogonowski" <greg@orba...>
> >>> Subject: Re: Streaming rtp to windows media player and real player
> >>> To: "Saurabh Garg" <sgarg@ipun...>,
> >>>         <streaming-server-users@list...>
> >>> Message-ID: <6.2.3.4.2.20060111100651.02ec5028@mail...>
> >>> Content-Type: text/plain; charset="us-ascii"
> >>>
> >>> Saurabh-
> >>>
> >>> Windows Media Player does not have an RFC compliant RTSP/RTP
> >>> implementation.  Without any kind of special plugin, Windows Media
> >>> Player will NOT play QTSS/DSS standards-based RFC compliant RTSP/
> >>> RTP
> >
> >>> streams.
> >>
> >> Greg - are you sure that applies to all versions of WMP  ?
> >>
> >> I'm only going off this section which seems to imply rtsp support for
> >> WMP9 and later http://www.microsoft.com/windows/windowsmedia/serve/
> >> firewall.aspx#ProtocolRollover
> >> http://www.microsoft.com/windows/windowsmedia/serve/
> >> firewall.aspx#RTSPandMMS
> >>
> >> When you're discussing RFC compliance, is this what you're referring
> >> to ?
> >> Or did I misunderstand the docs and WMP supports only some
> >> proprietary
> >
> >> rtsp based protocol instead ?
> >>
> >> Cheers - Neil
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