[MPlayer-users] Concatenating multiple .avi files

Sycotic Smith sycotic at linuxmail.org
Fri Sep 19 21:04:37 CEST 2003

Is it possible these avi files aren't mjpeg? I would suggest using -streamdump or -vo yuv4mpeg instead of cat'ing them together, then cat the dumps together and encode to mjpeg.  Might be more steps, but *should* give you what you want... depends on what the specs of the final file you're trying to get.

/S. Smith

----- Original Message -----
From: Jonathan Bartlett <johnnyb at eskimo.com>
Date: Fri, 19 Sep 2003 10:39:13 -0700 (PDT)
To: mplayer-users at mplayerhq.hu
Subject: [MPlayer-users] Concatenating multiple .avi files

> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> I'm trying to concatenate multiple .avi files to run through mjpegtools
> (yes, I know lav2yuv supports multiple files, but not this many).  I found
> on the internet that you can do
> cat *.avi > tmp.avi
> mencoder -forceidx -oac copy -ovc copy -o tmp2.avi tmp.avi
> However,when I run lav2yuv on these files, I get the following error:
> Not a JPEG file: starts with 0x1f 0x07 ++
> WARN: [lav2yuv] Decoding of Frame 0 failed
> Does anyone know why?
> Thanks,
> Jon
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