Re: Getting AAC tag information
Re: Getting AAC tag information
- Subject: Re: Getting AAC tag information
- From: Sven <email@hidden>
- Date: Tue, 13 Oct 2009 16:30:53 +0000 (UTC)
On Tue, 13 Oct 2009, Jens Alfke wrote:
On Oct 13, 2009, at 2:12 AM, Sven wrote:
I've found documentation on getting ID3 tag data from MP3s via QuickTime,
but I'm having a hard time finding information on retrieving this data from
AAC files.
You can get at AAC tags via QuickTime's movie-metadata API ?
QTCopyMovieMetaData etc. There isn't any documentation on what the tags are,
but you can figure it out fairly easily by looking at existing AAC files.
I've pasted in some notes I took a while ago, below.
I'd expect there to be some form of support to handle reading and writing
of tagging data for both AAC and MP3 files.
There's no API for generating AAC tags, that I know of. (And there's no API
for encoding MP3 audio at all, for licensing reasons. You have to use 3rd
party code like LAME for that.)
Thanks... I don't want to encode any audio files, I merely want to be able
to get and set tag data. For MP3s I can use id3lib no problems, but that
doesn't help me with AAC files. I guess if there's no way to edit tags via
the Apple libraries (if I understand you correctly) then the only thing
left to do is write my own.
I was just assuming there'd be an official Apple way of doing it.
./Sven
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