[FFmpeg-user] Fwd: ffmpeg cannot run under RaspberryPi

[xiong xu]

pi at raspberrypi ~ $ ffmpeg -t 10 -f video4linux2 -s 176*144 -r 30 -i
/dev/video0 -vcodec h263 -f rtp
rtp://172.22.42.151:10836?localrtpport=45900
ffmpeg version 0.8.17-6:0.8.17-1+rpi1, Copyright (c) 2000-2014 the
Libav developers
  built on Mar 25 2015 00:39:58 with gcc 4.6.3
The ffmpeg program is only provided for script compatibility and will be removed
in a future release. It has been deprecated in the Libav project to allow for
incompatible command line syntax improvements in its replacement called avconv
(see Changelog for details). Please use avconv instead.

pi at raspberrypi ~ $ uname -a
Linux raspberrypi 3.18.11-v7+ #781 SMP PREEMPT Tue Apr 21 18:07:59 BST
2015 armv7l GNU/Linux

Can anyone help?

-Xiong