cannot calculate video length

[ivanisimus]

hi!
vlc cannot determine video length of some sources

for example this video plays ok:
http://boom.ourea.feralhosting.com/video2.mp4

but this video plays but vlc cannot determine its length
http://boom.ourea.feralhosting.com/video.avi


when i download these files to local hard drive everything is ok

SMPlayer (http://smplayer.sourceforge.net/) plays these files online without problems

Please, help me...
How to get media length for http://boom.ourea.feralhosting.com/video.avi
Thanx

-------------------------------------
I used:
Windows 7
VLC 2.0.7

libvlc:
Version language : Английский (США)
CompanyName : VideoLAN
ProductName : VLC media player
ProductVersion : 2,0,6,0
FileVersion : 2.0.6

[ivanisimus]

Please somebody help