请各位大大帮个忙，看看我的Mplayer出什么问题啦！

小弟的新入手的万利达小电脑里装的是Linpus版的linux，但不知出于什么目的，原系统里安装的mplayer+smplayer不能播放rm/rmvb/avi等大部分视频格式，只出声，无图象，也可能是台湾人太保守了吧！请有空的大大帮个忙，看看如何能改过来！
小弟的Linux连菜鸟级都达不到啊！可惜电脑又无有光驱，连改系统都十分困难啦！被迫只能用Linux5555555555555！！！！以下是问题：
[user@localhost Videos]$ mplayer 黑猩猩去太空.rmvb
MPlayer 1.0pre8-rpm.livna.org-4.1.0 (C) 2000-2006 MPlayer Team
CPU: Intel(R) Atom(TM) CPU N270 @ 1.60GHz (Family: 6, Model: 28, Stepping: 2)
CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.


Failed to open /dev/rtc: No such device (it should be readable by the user.)

Playing 黑猩猩ȥ̫空.rmvb.
REAL file format detected.
Stream description: Video Stream
Stream mimetype: video/x-pn-realvideo
Stream description: Audio Stream
Stream mimetype: audio/x-pn-realaudio
Stream mimetype: logical-fileinfo
VIDEO: [RV40] 1280x620 24bpp 23.000 fps 0.0 kbps ( 0.0 kbyte/s)
Clip info:
author: ѹ制С组@3E?1
comment:
==========================================================================
Opening audio decoder: [faad] AAC (MPEG2/4 Advanced Audio Coding)
FAAD: compressed input bitrate missing, assuming 128kbit/s!
AUDIO: 44100 Hz, 2 ch, s16le, 128.0 kbit/9.07% (ratio: 16000->176400)
Selected audio codec: [faad] afm: faad (FAAD AAC (MPEG-2/MPEG-4 Audio) decoder)
==========================================================================
==========================================================================
Requested video codec family [rv3040] (vfm=realvid) not available.
Enable it at compilation.
Requested video codec family [rv40] (vfm=realvid) not available.
Enable it at compilation.
Requested video codec family [rv40win] (vfm=realvid) not available.
Enable it at compilation.
Requested video codec family [rv40mac] (vfm=realvid) not available.
Enable it at compilation.
Cannot find codec matching selected -vo and video format 0x30345652.
Read DOCS/HTML/en/codecs.html!
==========================================================================
AO: [oss] 44100Hz 2ch s16le (2 bytes per sample)
Video: no video
Starting playback...
A: 2.4 (02.3) of 4837.0 ( 1:20:37.0) 7.7%

MPlayer interrupted by signal 2 in module: play_audio

现在是无图象，无声音啦！(5ty( (5ty(