[Live-devel] raw/udp in rtsp multicast setup

[Åsmund Grammeltvedt]

On Saturday 27 January 2007 18:47, Ross Finlayson wrote:
> VLC currently uses the "LIVE555 Streaming Media" code only for its
> RTSP *client* implementation.  As a RTSP client, VLC (correctly)
> requests RTP streaming only.

Unless I'm reading this completely wrong, it does seem like VLC requests 
RAW/UDP (when coerced by the SDP). Using RTP would of course have been way 
more standards compliant, but having to make the same stream available to 
STBs appears to rule out that option. Compromises, compromises.


accept()ed connection from 192.168.43.97
RTSPClientSession[0x80e9658]::incomingRequestHandler1() read 146 bytes:OPTIONS 
rtsp://192.168.43.1/LIVE_3sat.de.xmltv.snap.tv RTSP/1.0
CSeq: 1
User-Agent: VLC media player (LIVE555 Streaming Media v2006.07.03)

parseRTSPRequestString() returned cmdName "OPTIONS", urlPreSuffix "", 
urlSuffix "LIVE_3sat.de.xmltv.snap.tv"
sending response: RTSP/1.0 200 OK
CSeq: 1
Date: Mon, Jan 29 2007 12:36:12 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE

RTSPClientSession[0x80e9658]::incomingRequestHandler1() read 172 
bytes:DESCRIBE rtsp://192.168.43.1/LIVE_3sat.de.xmltv.snap.tv RTSP/1.0
CSeq: 2
Accept: application/sdp
User-Agent: VLC media player (LIVE555 Streaming Media v2006.07.03)

parseRTSPRequestString() returned cmdName "DESCRIBE", urlPreSuffix "", 
urlSuffix "LIVE_3sat.de.xmltv.snap.tv"
sending response: RTSP/1.0 200 OK
CSeq: 2
Date: Mon, Jan 29 2007 12:36:12 GMT
Content-Base: rtsp://192.168.43.1/LIVE_3sat.de.xmltv.snap.tv/
Content-Type: application/sdp
Content-Length: 400

v=0
o=- 1170074172300486 1 IN IP4 192.168.43.1
s=SnapTV Live
i=LIVE_3sat.de.xmltv.snap.tv
t=0 0
a=tool:LIVE555 Streaming Media v2007.01.17
a=type:broadcast
a=control:*
a=source-filter: incl IN IP4 * 192.168.43.1
a=rtcp-unicast: reflection
a=range:npt=0-
a=x-qt-text-nam:SnapTV Live
a=x-qt-text-inf:LIVE_3sat.de.xmltv.snap.tv
m=video 1234 udp 33
c=IN IP4 239.1.1.11/1
a=control:track1

RTSPClientSession[0x80e9658]::incomingRequestHandler1() read 201 bytes:SETUP 
rtsp://192.168.43.1/LIVE_3sat.de.xmltv.snap.tv/ RTSP/1.0
CSeq: 3
Transport: RAW/RAW/UDP;multicast;client_port=1234-1235
User-Agent: VLC media player (LIVE555 Streaming Media v2006.07.03)

parseRTSPRequestString() returned cmdName "SETUP", 
urlPreSuffix "LIVE_3sat.de.xmltv.snap.tv", urlSuffix ""
sending response: RTSP/1.0 200 OK

CSeq: 3
Date: Mon, Jan 29 2007 12:36:12 GMT
Transport: 
RAW/RAW/UDP;multicast;destination=239.1.1.11;client_port=1234;server_port=1234;port=1234
Session: 2

RTSPClientSession[0x80e9658]::incomingRequestHandler1() read 174 bytes:PLAY 
rtsp://192.168.43.1/LIVE_3sat.de.xmltv.snap.tv RTSP/1.0
CSeq: 4
Session: 2
Range: npt=0.000-
User-Agent: VLC media player (LIVE555 Streaming Media v2006.07.03)

parseRTSPRequestString() returned cmdName "PLAY", urlPreSuffix "", 
urlSuffix "LIVE_3sat.de.xmltv.snap.tv"
sending response: RTSP/1.0 200 OK
CSeq: 4
Date: Mon, Jan 29 2007 12:36:12 GMT
Range: npt=0.000-
Session: 2
RTP-Info: 
url=rtsp://192.168.43.1/LIVE_3sat.de.xmltv.snap.tv/track1;seq=53579;rtptime=1551800363

-- 
Åsmund Grammeltvedt
Snap TV
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