Workaround for broken(?) m4a files from ffmpeg, was Re: [PATCH] Output AAC as M4A for iTunes with metadata tags

[dinkypumpkin]

On 12/04/2011 21:40, richard wrote:
> I'm struggling to understand all this analysis of atoms etc. What
> software are you using to carry out your tests and determine what is
> going on?

If you're on ubuntu and you have mp4tags, then you've probably installed 
the mpeg4ip-utils package (or similar - that's what it's called on 
Maverick).  If so, you'll have utility called mp4dump which can print 
out a more-or-less readable representation of the MP4 atom tree in a file.