What does this Mplayer Log Mean?

I just download The apple wwdcs 1998 and 1999
And they are Rm formated
I cant open any rm files In real player , Quicktime , VLC or Windows Media Payer (for mac osx)

Anyways when i try to play it i get this error



And this is The log.

2010-08-28 23:02:11.652 MPlayer OSX[1045] ===================== MPlayer OSX Started =====================
2010-08-28 23:02:28.938 MPlayer OSX[1045] Path to MPlayer: /Applications/MPlayer OSX.app/Contents/Resources/External Binaries/mplayernoaltivec.app/Contents/MacOS/mplayer
2010-08-28 23:02:28.938 MPlayer OSX[1045] Arg: /Users/elizabeth/Desktop/movies files/Apple/1998/1998-05-11 WWDC 1998.rm
2010-08-28 23:02:28.938 MPlayer OSX[1045] Arg: -vo
2010-08-28 23:02:28.939 MPlayer OSX[1045] Arg: macosx:shared_buffer
2010-08-28 23:02:28.939 MPlayer OSX[1045] Arg: -slave
2010-08-28 23:02:28.939 MPlayer OSX[1045] Arg: -identify
Can't init Apple Remote.
2010-08-28 23:02:29.858 MPlayer OSX[1045] * Assertion failure in -[NSTextFieldCell _objectValue:forString:errorDescription:], AppKit.subproj/NSCell.m:1298
2010-08-28 23:02:29.859 MPlayer OSX[1045] Exception raised during posting of notification. Ignored. exception: Invalid parameter not satisfying: aString != nil
Error: dlopen(/usr/local/lib/codecs/sipr.so.6.0, 1): image not found
ERROR: Could not open required DirectShow codec sipr.so.6.0.
ADecoder preinit failed 😟
Error: dlopen(/usr/local/lib/codecs/sipr.so, 1): image not found
ERROR: Could not open required DirectShow codec sipr.so.
ADecoder preinit failed 😟
ERROR: Could not open required DirectShow codec sipr.dll.
ADecoder preinit failed 😟
ERROR: Could not open required DirectShow codec sipr3260.dll.
ADecoder preinit failed 😟
Error: dlopen(/usr/local/lib/codecs/sipr.bundle/Contents/MacOS/sipr, 1): image not found
ERROR: Could not open required DirectShow codec sipr.bundle/Contents/MacOS/sipr.
ADecoder preinit failed 😟
Cannot find codec for audio format 0x72706973.


MPlayer interrupted by signal 10 in module: decode_video
- MPlayer crashed. This shouldn't happen.
It can be a bug in the MPlayer code or in your drivers or in your
gcc version. If you think it's MPlayer's fault, please read
DOCS/HTML/en/bugreports.html and follow the instructions there. We can't and
won't help unless you provide this information when reporting a possible bug.
uninit: shmdt failed
uninit: shmctl failed
2010-08-28 23:02:33.238 MPlayer OSX[1045] Abnormal playback error. mplayer returned error code: 1
2010-08-28 23:03:22.071 MPlayer OSX[1045] Path to MPlayer: /Applications/MPlayer OSX.app/Contents/Resources/External Binaries/mplayernoaltivec.app/Contents/MacOS/mplayer
2010-08-28 23:03:22.071 MPlayer OSX[1045] Arg: /Users/elizabeth/Desktop/movies files/Apple/1999/1999-05-10 WWDC 1999.rm
2010-08-28 23:03:22.071 MPlayer OSX[1045] Arg: -vo
2010-08-28 23:03:22.072 MPlayer OSX[1045] Arg: macosx:shared_buffer
2010-08-28 23:03:22.072 MPlayer OSX[1045] Arg: -slave
2010-08-28 23:03:22.072 MPlayer OSX[1045] Arg: -identify
Can't init Apple Remote.
2010-08-28 23:03:22.662 MPlayer OSX[1045] * Assertion failure in -[NSTextFieldCell _objectValue:forString:errorDescription:], AppKit.subproj/NSCell.m:1298
2010-08-28 23:03:22.663 MPlayer OSX[1045] Exception raised during posting of notification. Ignored. exception: Invalid parameter not satisfying: aString != nil


MPlayer interrupted by signal 10 in module: decode_video
- MPlayer crashed. This shouldn't happen.
It can be a bug in the MPlayer code or in your drivers or in your
gcc version. If you think it's MPlayer's fault, please read
DOCS/HTML/en/bugreports.html and follow the instructions there. We can't and
won't help unless you provide this information when reporting a possible bug.
uninit: shmdt failed
uninit: shmctl failed
2010-08-28 23:03:24.498 MPlayer OSX[1045] Abnormal playback error. mplayer returned error code: 1
2010-08-28 23:03:53.726 MPlayer OSX[1045] Path to MPlayer: /Applications/MPlayer OSX.app/Contents/Resources/External Binaries/mplayernoaltivec.app/Contents/MacOS/mplayer
2010-08-28 23:03:53.727 MPlayer OSX[1045] Arg: /Users/elizabeth/Desktop/movies files/Apple/1999/1999-05-10 WWDC 1999.rm
2010-08-28 23:03:53.727 MPlayer OSX[1045] Arg: -vo
2010-08-28 23:03:53.727 MPlayer OSX[1045] Arg: macosx:shared_buffer
2010-08-28 23:03:53.727 MPlayer OSX[1045] Arg: -slave
2010-08-28 23:03:53.727 MPlayer OSX[1045] Arg: -identify
Can't init Apple Remote.
2010-08-28 23:03:53.919 MPlayer OSX[1045] * Assertion failure in -[NSTextFieldCell _objectValue:forString:errorDescription:], AppKit.subproj/NSCell.m:1298
2010-08-28 23:03:53.919 MPlayer OSX[1045] Exception raised during posting of notification. Ignored. exception: Invalid parameter not satisfying: aString != nil


MPlayer interrupted by signal 10 in module: decode_video
- MPlayer crashed. This shouldn't happen.
It can be a bug in the MPlayer code or in your drivers or in your
gcc version. If you think it's MPlayer's fault, please read
DOCS/HTML/en/bugreports.html and follow the instructions there. We can't and
won't help unless you provide this information when reporting a possible bug.
uninit: shmdt failed
uninit: shmctl failed
2010-08-28 23:03:55.340 MPlayer OSX[1045] Abnormal playback error. mplayer returned error code: 1


By the way I got the Mplayer At : http://mac.softpedia.com/progDownload/MPlayer-OS-X-Download-21458.html

Pls Tell me what to do http://discussions.apple.com/thread.jspa?threadID=2560275&tstart=0
thanks , Mike.

Oh By the way again This is Kind of linked too : http://discussions.apple.com/thread.jspa?threadID=2560275&tstart=0