[vlc] VLC Can't play Cisco IP/TV RTP Session!

[Martinez Bonastre, Oscar]

Lo he leido muy rapido.. pero esto parece de CISCO, IPTV.


-----Mensaje original-----
De: vlc-bounces at videolan.org en nombre de ??
Enviado el: vie 20/02/2009 3:23
Para: vlc at videolan.org
Asunto: [vlc] VLC Can't play Cisco IP/TV RTP Session!
 
Hi everyone,
I've trying to play Cisco IP/TV Live Channels which usually contains two RTP
sessions - one for audio and another for video. However, the video session
can't be displayed while the audio works well. The VLC specification says
that it can support Cisco IP/TV Streams, so I don't know why this happens.

Below is the setting:

Media is captured by Videum Capture Card with RGBT 24 bits (Video Capture
Format).
Session Description for a specific channel:

v=0
o=- 28517 5 IN IP4 162.105.129.230
s=CCTV-2
i=CCTV-2
e=n/a <n/a>
p=n/a <n/a>
b=AS:3150
t=0 0
a=tool:IP/TV Content Manager 3.5.7.1
a=type:broadcast
a=x-iptv-local:IP/TV Content Manager 3.5.7.1
a=x-iptv-type:scheduled
m=video 63864/1 RTP/AVP 96 31 32 97
c=IN IP4 239.251.0.12/15
a=fmtp:96 MP42
a=x-iptv-svr:video 162.105.129.234 live
a=rtpmap:96 WBIH/90000
a=rtpmap:97 MP4V-ES/90000
a=framerate:30.0
a=quality:8
m=audio 22300/1 RTP/AVP 0 96 14 3 5 97 98 99 100 101 102 103 104 105 10 11
106 107 108 109
c=IN IP4 239.251.0.13/15
a=x-iptv-svr:audio 162.105.129.234 live
a=rtpmap:96 X-WAVE/8000
a=rtpmap:97 mpeg4-generic/44100/2
a=rtpmap:98 mpeg4-generic/32000/2
a=rtpmap:99 mpeg4-generic/22050/2
a=rtpmap:100 L8/8000/2
a=rtpmap:101 L8/8000
a=rtpmap:102 L8/22050/2
a=rtpmap:103 L8/22050
a=rtpmap:104 L8/11025/2
a=rtpmap:105 L8/11025
a=rtpmap:106 L16/22050/2
a=rtpmap:107 L16/22050
a=rtpmap:108 L16/11025/2
a=rtpmap:109 L16/11025

I guess it might be caused by the unusual encoding a=rtpmap:96 WBIH/90000 which
can't be recognized by VLC. But I'm not sure about it. So anyone can give me
some clues?

Thanks in advance!
Cheers,
Yang Yang

-- 
Yang Yang
School of Electronics Engineering and Computer Science
Peking University
Cell Phone: +86 13581614123
Email: dlyyang at gmail.com


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