[vlc-devel] Re: RTP & MPEG-4 elementary stream

[Sigmund Augdal]

On Tue, Mar 15, 2005 at 02:01:34PM +0100, Johann Ransay wrote:
> Le Mardi 15 Mars 2005 11:48, vous avez écrit :
> > On Tue, Mar 15, 2005 at 10:33:50AM +0100, Johann Ransay wrote:
> > > Hi,
> > >
> > > Can anyone tell me if vlc is capable of playing a video that is streamed
> > > as a MPEG-4 elementary stream directly encapsulated in RTP ?
> >
> > Yes, if you have a proper .sdp file for it.
> >
> Thanks for your reply. I am not familiar with sdp files, would you have an 
> example please ?

Usually the streaming server would generate one. 

It usually looks something like this:
v=0
o=- 1079341263814773 1079341263814774 IN IP4 192.168.0.41
s=/etc/nrk1.sdp
e=NONE
c=IN IP4 225.117.97.46/15
b=RR:0
t=0 0
a=mpeg4-iod:
"data:application/mpeg4-iod;base64,AoCAgy4AT///D/T/A4CAgHkAyUBGZGF0YTphcHBsaWNhdGlvbi9
tcGVnNC1iaWZzLWF1O2Jhc2U2NCx3QkFTZ1RBcUJXMG1FRUg4QUFBQi9BQUFCRUtDS0NuNASAgIAVAg0AABgAAADAAAAAwAWAgI
ADAABgBoCAgBAARAAAAAAAAAAAAAAAAAADA4CAgiQAZUD0ZGF0YTphcHBsaWNhdGlvbi9tcGVnNC1vZC1hdTtiYXNlNjQsQVlDQ
WdSVUJnSUNBT0FLZkE0Q0FnREVBQ2dBRWdJQ0FGRUFWQUQ2QUFBSDBBQUFCOUFBRmdJQ0FBaElRQm9DQWdCQUFSQUFBQUFBQUFB
QUFBQUFBQUFBREFZQ0FnRk1GSHdPQWdJQk1BQlFBQklDQWdDOGdFUVBRa0FBZWhJQUFIb1NBQllDQWdCMEFBQUd3OUFBQUFiVUl
BQUFCQUFBQUFTQUF4SWlBRE5HQVJJRkdQd2FBZ0lBUUFFUUFBQUFBQUFBQUFBQUFBQUFBQXc9PQSAgIASAQUAAJoAAATQAAAE0A
WAgIAABoCAgBAARAAAAAAAAAAAAAAAAAAD"
a=isma-compliance:1,1.0,1
m=video 47308 RTP/AVP 96
b=AS:2000
a=rtpmap:96 MP4V-ES/90000
a=fmtp:96 profile-level-id=244;
config=000001b0f4000001b508000001000000012000c488800cd1804481463f;
a=mpeg4-esid:20
a=x-mpeg4-simple-profile-decoder
m=audio 47310 RTP/AVP 97
b=AS:128
a=rtpmap:97 mpeg4-generic/44100
a=fmtp:97 streamtype=5; profile-level-id=15; mode=AAC-hbr; config=1210;
SizeLength=13; IndexLength=
3; IndexDeltaLength=3; Profile=1;
a=mpeg4-esid:10


Hope this helps.

Sigmund

> 
> Johann
> 
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-- 
Sigmund Augdal
Edgar B. Schieldropsv 29-14
N-7033 Trondheim
Norway
tlf: 91809129

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