iTunes GRP1 id3 frame

patrick machielse patrick at
Tue Jun 20 21:11:18 UTC 2017

> Op 20 jun. 2017, om 23:02 heeft Scott Wheeler <scott at> het volgende geschreven:
>> On Jun 20, 2017, at 22:41, patrick machielse <patrick at> wrote:
>> Are there plans to support this new frame in a future TagLib release?
> None that have been discussed, but in general, TagLib doesn't add stuff to its generic interfaces that are based on application specific extensions.

I expected as much. It's a pity they had to go outside the spec. Or perhaps the specs aren't maintained anymore?

> If I want to add read /write support to my local TagLib code, what would be the best approach?
> It's probably just another text frame, so you could just call the constructor for TextIdentificationFrame with the data from UnknownFrame.

Thanks, I might give that a try if we feel it's worthwhile supporting this iTunes-only feature.

Patrick Machielse
Hieper Software
info at

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