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Jonathan Gazeley wrote:

quoted text
> On 02/09/2010 10:38 AM, Emiliano Grilli wrote:

>> Jonathan Gazeley  writes:

>>

>>

>>> Hi all,

>>>

>>> This is slightly OT for the group, but I hope someone can tell me.

>>>

>>> I have thousands of large AVI files and I want a quick way to determine

>>> from the command line whether their audio is stereo, 5.1, etc.

>>>

>>> I've read about ffmpeg and haven't seen anything jumping out at me, and

>>> it's hard to pick the right search keywords to find relevant pages on

>>> Google.

>>>

>>> Anyone know a trick to get this info? Currently I can do it by

>>> right-clicking on the file and viewing its properties, but there *has*

>>> to be a better way...

>>>

>> maybe "mplayer -frame 0 -identify myfile.avi" ?

>>

>>

>>

>>> Cheers,

>>> Jonathan

>>>

>> HTH

>> Ciao

>>

>>

>

> Thanks for your advice. Unfortunately this seems to require a graphical

> machine, but I'm trying to run this on a headless fileserver that has

> all my media.

>

> [jonathan@zeus ~]$ mplayer -frame 0 -identify movie.avi

> Creating config file: /home/jonathan/.mplayer/config

> Unknown option on the command line: -frame

> Error parsing option on the command line: -frame

> MPlayer SVN-r29701-4.4.1 (C) 2000-2009 MPlayer Team

>

> Any other ideas?

There's 'xjinfo' which comes with http://xjadeo.sf.net/
It's a small commandline-tool to extract information from any media file

which ffmpeg can read. For some example output see:

http://rg42.org/oss/xjadeo/xjinfo
HTH,

robin

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