Gui 가 지원되지 않는 rpm인가본데요....
 중간정도에 보면 Usage가 나오네요...확인해 보세요..
 Usage:  mplayer [options] [url|path/]filename
   : mplayer RPM패키지를 다운받아서 설치했습니다..
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: 설치도 제대로 된것같고,,한데 실행하면 오류가 발생하네요,,
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: 코덱이 없다는 뜻인가요? 고수님들 조언 부탁드립니다..
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: Using GNU internationalization
: Original domain: messages
: Original dirname: /usr/share/locale
: Current domain: mplayer
: Current dirname: /usr/share/locale
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: MPlayer 0.90rc3-RPM-3.1 (C) 2000-2003 Arpad Gereoffy (see DOCS)
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: CPU: Intel Celeron 2/Pentium III Coppermine,Geyserville (Family: 6, Stepping: 3)Detected cache-line size is 32 bytes
: CPUflags:  MMX:1 MMX2: 1 3DNow:0 3DNow2: 0 SSE:1 SSE2: 0
: Compiled with Runtime CPU Detection - WARNING - this is not optimal!
: To get best performance, recompile MPlayer with --disable-runtime-cpudetection
: Reading config file /etc/mplayer/mplayer.conf
: Reading config file /root/.mplayer/config
: Reading /root/.mplayer/codecs.conf: can't open '/root/.mplayer/codecs.conf': 그
: 런 파일이나 디렉토리가 없음
: Reading /etc/mplayer/codecs.conf: 49 audio & 130 video codecs
: Usage:  mplayer [options] [url|path/]filename
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: Basic options: (complete list in the man page)
:  -vo <drv[:dev]>  select video output driver & device ('-vo help' for a list)
:  -ao <drv[:dev]>  select audio output driver & device ('-ao help' for a list)
:  -vcd <trackno>   play VCD (Video CD) track from device instead of plain file
:  -dvd <titleno>   play DVD title from device instead of plain file
:  -alang/-slang    select DVD audio/subtitle language (by 2-char country code)
:  -ss <timepos>    seek to given (seconds or hh:mm:ss) position
:  -nosound         do not play sound
:  -fs              fullscreen playback (or -vm, -zoom, details in the man page)
:  -x <x> -y <y>    set display resolution (for use with -vm or -zoom)
:  -sub <file>      specify subtitle file to use (also see -subfps, -subdelay)
:  -playlist <file> specify playlist file
:  -vid x -aid y    select video (x) and audio (y) stream to play
:  -fps x -srate y  change video (x fps) and audio (y Hz) rate
:  -pp <quality>    enable postprocessing filter (details in the man page)
:  -framedrop       enable frame dropping (for slow machines)
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: Basic keys: (complete list in the man page, also check input.conf)
:  <-  or  ->       seek backward/forward 10 seconds
:  up or down       seek backward/forward  1 minute
:  pgup or pgdown   seek backward/forward 10 minutes
:  < or >           step backward/forward in playlist
:  p or SPACE       pause movie (press any key to continue)
:  q or ESC         stop playing and quit program
:  + or -           adjust audio delay by +/- 0.1 second
:  o                cycle OSD mode:  none / seekbar / seekbar+timer
:  * or /           increase or decrease PCM volume
:  z or x           adjust subtitle delay by +/- 0.1 second
:  r or t           adjust subtitle position up/down, also see -vop expand
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:  * * * SEE THE MAN PAGE FOR DETAILS, FURTHER (ADVANCED) OPTIONS AND KEYS * * *
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: --
: 서명~ ^^v