[rtmpdump] streaming with ustream not working

[Jack Zhou]

I'm trying to get the video in this ustream test page to work:

http://www.ustream.tv/channel/Test-Page

I'm now able to successfully connect but there is not data streaming from
the server back. I compared wireshark
<http://www.booksamillion.com/p/Wireshark-Network-Analysis-Second/Laura-Chappell/9781893939943>
captured packets with the Flasher Player that is working and with rtmpdump
and find with the Flash Player, the sequence is connect() followed by
playing, like this (IP masked):

6087 76.657003000 x.x.x.x 199.66.239.125 RTMP 2267 Handshake
C2|connect('ustream')

6111 76.898062000 x.x.x.x 199.66.239.125 RTMP 105 playing()

Withe rtmpdump, the sequence is connect() followed by createStream() then
FCSubscribe():

Invoking createStream
DEBUG: Invoking FCSubscribe

I tried both with and without --live option and it results are the same.

So how do I make rtmpdump issue an AMF3 command playing() like what the
Flash Player is doing?

Thanks for your help.
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