[Mplayer-felhasznalok] avi osszefuzes

[n13]

Igy probaltam a leirtak szerint ket avi file reszt osszefuzni:
cat 1.avi 2.avi | mencoder -oac copy -ovc copy -o kesz.avi -
(de probaltam "cat *.avi" -val is)

A kimenet: --------------------------------------------
MEncoder 0.90rc1-2.95.4 (C) 2000-2002 Arpad Gereoffy (see DOCS!)

CPU: Intel Celeron 2/Pentium III Coppermine,Geyserville (Family: 6, Stepping: 
10)
CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 0
Reading /home/n13/.mplayer/codecs.conf: 49 audio & 123 video codecs
File not found: 'frameno.avi'
Reading config file /home/n13/.mplayer/mencoder: No such file or directory
Font /home/n13/.mplayer/font/font.desc loaded successfully! (206 chars)
Reading from stdin...
success: format: 0  data: 0x0 - 0x0
Detected AVI file format!
VIDEO:  [DIV3]  480x360  24bpp  23,98 fps  629,9 kbps (76,9 kbyte/s)
[V] filefmt:3  fourcc:0x33564944  size:480x360  fps:23,98  ftime:=0,0417
videocodec: framecopy (480x360 24bpp fourcc=33564944)
audiocodec: framecopy (format=55 chans=2 rate=48000 bits=0 bps=16428 sample=1)
Writing AVI header...
Pos:  28,8s    690f (100%)   0fps Trem:   0min   2mb  A-V:0,042 [626:131]
Writing AVI index...
Fixup AVI header...

Video stream:  626,610 kbit/s  (78326 bps)  size: 2254171 bytes  28,779 secs  
690 frames

Audio stream:  131,904 kbit/s  (16488 bps)  size: 472784 bytes  28,674 secs
---------------------------------------------------------------------
Az a problemam hogy az output file tartalomra es meretre is u.az.
Tehat nem fuzte ossze.
Mit csinalok rosszul?

Debian woody 2.4.20
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Tisztelettel:
n13