If you don't specify port number, default port (1935) will be used for rtmp protocol.
Code:
rtmpdump -v -r "rtmp://live.gostream.nl:80/armaholding" -a "armaholding?ID=A5D1E2A9AA10" -f "WIN 11,5,502,135" -W "
http://www.karadenizturk.com/stream/player.swf" -p "http://www.karadenizturk.com/canli.php" -y "karadenizturktv" | %systemdrive%\progra~2\videolan\vlc\vlc -
RTMPDump v2.4 GIT-2012-11-09 (Compiled by KSV)
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
WARNING: You haven't specified an output file (-o filename), using stdout
Connecting ...
INFO: Connected...
Starting Live Stream
INFO: Metadata:
INFO: author
INFO: copyright
INFO: description
INFO: keywords
INFO: rating
INFO: title
INFO: presetname Custom
INFO: creationdate Fri Dec 21 13:56:23 2012
INFO: videodevice AVerMedia BDA Analog Capture
INFO: framerate 25.00
INFO: width 352.00
INFO: height 288.00
INFO: videocodecid avc1
INFO: videodatarate 200.00
INFO: avclevel 31.00
INFO: avcprofile 66.00
INFO: videokeyframe_frequency 5.00
INFO: audiodevice Realtek HD Audio Input
INFO: audiosamplerate 44100.00
INFO: audiochannels 1.00
INFO: audioinputvolume 39.00
INFO: audiocodecid .mp3
INFO: audiodatarate 80.00
148.185 kB / 6.00 sec
ERROR: Download: Failed writing, exiting!