Re: ID3 tags from AAC files - still no joy
Re: ID3 tags from AAC files - still no joy
- Subject: Re: ID3 tags from AAC files - still no joy
- From: Steve Christensen <email@hidden>
- Date: Mon, 10 Jan 2005 07:54:06 -0800
On Jan 10, 2005, at 6:30 AM, Jeremy Dronfield wrote:
On 5 Jan 2005, at 17:07, Yann Bizeul wrote:
You might also want to look at the MPEG4IP project on Source Forge,
since it seems to handle AAC metadata. See:
http://mpeg4ip.sourceforge.net/
I've looked at these projects. Retrieving the user data is a
relatively tiny part of my application, and I'm reluctant to include
these largish libraries.
The libraries themselves may be large but if you're only using one
feature (reading AAC tags), I'd expect most of the other code to get
stripped out at link time.
They have two further disadvantages - a) they're written in C++ and b)
they're cross-platform.
Why are these disadvantages? If they do the job, who are you to
complain? Unless the issue is that they're not written in 100% Obj-C
and you'd have to actually *gasp!* mix development languages. :-)
What I really need is to be able to use the QuickTime API to retrieve
this data, as I'm already doing with MP3 ID3 tags.
Unless, of course, QT doesn't provide such support.
I scoured their archives and also posted this question there. As far
as I can tell, no living soul knows how to do this.
The people who wrote the above C++ library know how to do it, even if
that way doesn't involve QT.
If I open an m4a file in a text editor, I can *see* the ©ART, ©alb
etc. tags. iTunes reads them. Why does nobody know how to do it?
Somebody at Apple obviously knows how to do it since it works in
iTunes. Perhaps Apple elected not to provide such support or they
haven't had time to get to making it public as yet?
steve
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