求助:debian下用mplayer看电影突然没声音了!!

liuwantao

小弟用的是Debian系统,钱段时间装了mplayer,一直用的比较好,
今天一早开机运行mplayer发现没有了声音,终端显示为:
==========================================================================
It seems there is no Xvideo support for your video card available.
Run 'xvinfo' to verify its Xv support and read DOCS/HTML/en/video.html#xv!
See 'mplayer -vo help' for other (non-xv) video out drivers. Try -vo x11
==========================================================================
Opening video decoder: [realvid] RealVideo decoder
opening shared obj '/usr/local/lib/codecs/drvc.so'
Selected video codec: [rv3040] vfm:realvid (Linux RealPlayer 10 RV30/40 decoder)
==========================================================================
Building audio filter chain for 44100Hz/2ch/s16le -> 0Hz/0ch/??...
[AO OSS] audio_setup: Can't open audio device /dev/dsp: Device or resource busy
ao_nas: init(): Can't open nas audio server -> nosound
AO: [null] 44100Hz 2ch s16le (2 B/s)


执行命令xvinfo显示:
X-Video Extension version 2.2
screen #0
no adaptors present

执行fuser显示:
brook@wantaoliu:~$ sudo fuser /dev/dsp
/dev/dsp:             3346


在论坛上找了几篇文章,捣鼓半天也没解决,万般无奈只能求各位大侠帮帮忙,小弟在线等候.