Re: [LINUX_Newbies] ffmpeg Problem

 

On Sun, Sep 25, 2016 at 11:29:53AM +0200, 'highskywhy@yahoo.de' highskywhy@yahoo.de [LINUX_Newbies] wrote:
>
> ffmpeg Problem
>
> I tried to repair
>
> a file
> ffmpeg -i org.mp4 -t 480 out.wmv
>
> but it could not work.
> What did I do wrong?
>
>
>
> ffmpeg -i org.mp4 -t 480 out.wmv

> ffmpeg version 2.8.6-1ubuntu2 Copyright (c) 2000-2016 the FFmpeg developers
> [mov,mp4,m4a,3gp,3g2,mj2 @ 0x8155500] moov atom not found
> org.mp4: Invalid data found when processing input
>
It looks as if the org.mp4 file is corrupted, so ffmpeg couldn't fix it.
Invalid data usually refers the input file. The moov atom not found means
that somehow, certain data that should be at the beginning of the file is
on the end.

http://muzso.hu/2012/11/14/how-to-fix-a-broken-mp4-mov-video-ffmpeg-reports-moov-atom-not-found,
from 2012, describes the issue, though they only seem to list tools that
cost money.

If you google the error moov atom not found there are various posts about
repairing it. This one looks promising. There's a program called untrunc
to fix it.

http://superuser.com/questions/417100/how-to-open-and-repair-an-m4v-or-mp4-video-file

--
Scott Robbins
PGP keyID EB3467D6
( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 )
gpg --keyserver pgp.mit.edu --recv-keys EB3467D6

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Posted by: Scott <scottro@nyc.rr.com>

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