mplayer播放电影错误提示。。。

homesp

mplayer lgc-mamsxvida.avi
MPlayer 1.0pre7-3.3.5 (C) 2000-2005 MPlayer Team
CPU: Intel Pentium 4/Xeon/Celeron Foster (Family: 8, Stepping: 7)
Detected cache-line size is 64 bytes
MMX2 supported but disabled
SSE2 supported but disabled
CPUflags:  MMX: 1 MMX2: 0 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 0
Compiled for x86 CPU with extensions: MMX SSE

Linux RTC init error in ioctl (rtc_irqp_set 1024): Permission denied
Try adding "echo 1024 > /proc/sys/dev/rtc/max-user-freq" to your system startup scripts.
Opening joystick device /dev/input/js0
Can't open joystick device /dev/input/js0 : No such file or directory
Can't init input joystick
Setting up LIRC support...
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support.
You will not be able to use your remote control.
Playing lgc-mamsxvida.avi.
Cache fill:  0.00% (0 bytes)    AVI file format detected.
VIDEO:  [XVID]  640x272  12bpp  25.000 fps  1322.9 kbps (161.5 kbyte/s)
Clip info:
Software: VirtualDubMod 1.5.4.1 (build 2178/release)
==========================================================================
Trying to force audio codec driver family libmad...
Opening audio decoder: [liba52] AC3 decoding with liba52
Using SSE optimized IMDCT transform
AC3: 5.1 (3f+2r+lfe)  48000 Hz  448.0 kbit/s
Using MMX optimized resampler
AUDIO: 48000 Hz, 2 ch, s16le, 448.0 kbit/29.17% (ratio: 56000->192000)
Selected audio codec: [a52] afm:liba52 (AC3-liba52)
==========================================================================
vo: X11 running at 1024x768 with depth 24 and 32 bpp (":0.0" => local display)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffodivx] vfm:ffmpeg (FFmpeg MPEG-4)
==========================================================================
Checking audio filter chain for 48000Hz/2ch/s16le -> 48000Hz/2ch/s16le...
AF_pre: 48000Hz/2ch/s16le
alsa-init: 1 soundcard found, using: default
                                                     

等了很长时间后才开始播放，是什么问题？

”Try adding "echo 1024 > /proc/sys/dev/rtc/max-user-freq" to your system startup scripts.“这句有什么作用？startup scripts是指哪个文件（我用的是Debian Sarge） ？