Re: [OT] Determining Video Formats

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-------- Original Message  --------
Subject: [OT] Determining Video Formats
From: "David G. Mackay" <mackay_d@xxxxxxxxxxxxx>
To: For users of Fedora <fedora-list@xxxxxxxxxx>
Date: 03/27/2008 07:43 AM

On Thu, 2008-03-27 at 10:05 -0430, Patrick O'Callaghan wrote:
On Thu, 2008-03-27 at 08:21 -0400, James Pifer wrote:
On Wed, 2008-03-26 at 22:26 -0430, Patrick O'Callaghan wrote:
On Wed, 2008-03-26 at 16:16 -0700, Paul Lemmons wrote:
I am looking for a way to look at an AVI file and see how it was encoded with enough detail that I could reproduce the process using transcode or mencoder. I have a media server (D-Link DSM520) that plays most videos absolutely perfectly. Some, though, it has trouble keeping audio sync. I would like to compare the videos that work without issue to those that have issues to see if I can identify what the differentiator might be. I should then be able to identify those with problems and re-transcode them to look like the files without the problem. That is the goal, anyway.

I suspect this is real easy but I am just not finding it and I am completely Googled out. Any pointers in the right direction would be much appreciated!
The tovid package ("yum install tovid") has a command called idvid,
which might be at least part of what you want.

poc

I was/am in a similar situation trying to figure out a way to transcode
videos for my son's Zune. So far the only tool that has worked is crappy
MS Movie Maker. Anyway, I found this windows tool which I think is free:
GSpot. Just google and it should be the first thing returned.
I will check out tovid as well!
Note that most Linux transcoders are simply frontends to parts of the
'transcode' package, which has a zillion options and can almost
certainly do what you want if you can figure it out :-)

ffmpeg is also useful and somewhat simpler.

transcode has tcprobe, which tries to get information about audio and
video from a media source.  He also indicated that he might use
mencoder, which implies that he might have mplayer as well.  Running
mplayer in a console with the -v flag set gives you a ton of information
about what's playing.

Dave


I really appreciate all of the responses so far. The one command that I have found that gives me most of what I need is:

mencoder -msglevel all=6 myfile.avi -o /dev/null

It errors out but before it does it drops a lot of information about the file.

I will try tcprobe when I get home. I don't have any of the problem avi's here at work.

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