[hasomaso]

@jb721

rtmpdumphelper has generated correctly but you need also the -K option with parameter in your code

-K "soLagaDaSeStoriAga;TRUE;TRUE"

How to find -K parameters read HERE

rtmpdump -v -r "rtmp://185.2.137.180/live" -a "live" -f "LNX 17,0,0,134" -W "http://www.janjuaplayer.com/resources/scripts/eplayer.swf" -p "http://www.janjuaplayer.com/embedplayer/foxnews440/1/600/400" -C S:OK -y "foxnews440?id=34933" -K "soLagaDaSeStoriAga;TRUE;TRUE" -o "output.flv"

RTMPDump v2.4 GIT-2015-01-15 (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:   presetname              Custom
INFO:   creationdate            Thu Mar 26 22:35:21 2015
INFO:   videodevice             Conexant Polaris Video Capture
INFO:   framerate               20.00
INFO:   width                   450.00
INFO:   height                  254.00
INFO:   videocodecid            avc1
INFO:   videodatarate           300.00
INFO:   avclevel                31.00
INFO:   avcprofile              66.00
INFO:   videokeyframe_frequency 5.00
INFO:   audiodevice             Conexant Polaris Video Capture
INFO:   audiosamplerate         44100.00
INFO:   audiochannels           2.00
INFO:   audioinputvolume        75.00
INFO:   audiocodecid            .mp3
INFO:   audiodatarate           96.00
151.725 kB / 3.83 sec