[nullacht]

Instead of using RTMPdump, you should try it again with rtmpsuck!

RTMP Proxy Server v2.4
(c) 2010 Andrej Stepanchuk, Howard Chu; license: GPL

Streaming on rtmp://0.0.0.0:1935
WARNING: Trying different position for client digest!
Processing connect
app: live/54
flashVer: WIN 10,3,183,5
swfUrl: http://weeb.tv/static/player.swf
tcUrl: rtmp://46.105.116.181/live/54
pageUrl: http://weeb.tv/channel/mtv
Playpath: live
Saving as: live
INFO: Metadata:
INFO:   author
INFO:   copyright
INFO:   description
INFO:   keywords
INFO:   rating
INFO:   title
INFO:   presetname            Custom
INFO:   creationdate          Thu Oct 06 09:03:32 2011
INFO:   videodevice           AVerMedia BDA Analog Capture Secondary
INFO:   framerate             25.00
INFO:   width                 720.00
INFO:   height                576.00
INFO:   videocodecid          avc1
INFO:   videodatarate         420.00
INFO:   avclevel              40.00
INFO:   avcprofile            77.00
INFO:   videokeyframe_frequency2.00
INFO:   audiodevice           AVerMedia BDA Analog Capture Secondary
INFO:   audiosamplerate       48000.00
INFO:   audiochannels         2.00
INFO:   audioinputvolume      9.00
INFO:   audiocodecid          mp4a
INFO:   audiodatarate         80.00
WARNING: ignoring too small audio packet: size: 0