TagLib::FileRef vs. TagLib::File

[Theofilos Intzoglou]

You should take a look at the api documentation. Most of the classes (if
not all) have a description.
>From http://taglib.github.io/api/classTagLib_1_1FileRef.html :

"FileRef <http://taglib.github.io/api/classTagLib_1_1FileRef.html> exists
to provide a minimal, generic and value-based wrapper around a
File<http://taglib.github.io/api/classTagLib_1_1File.html>.
It is lightweight and implicitly shared, and as such suitable for
pass-by-value use. This hides some of the uglier details of
TagLib::File<http://taglib.github.io/api/classTagLib_1_1File.html>
 and the non-generic portions of the concrete file implementations.

This class is useful in a "simple usage" situation where it is desirable to
be able to get and set some of the tag information that is similar across
file types."


2013/5/19 Nouvelle Collection <nouvellecollection at gmail.com>

> Hello,
> I don't really understand the difference between TagLib::FileRef and
> TagLib::File.
>
> If I use TagLib::FileRef f("foo.mp3");, then I cannot use
> f.tag()->removeFrames(...).
>
> With TagLib::MPEG::File f("foo.mp3"), it seems possible to do
> f.ID3v2Tag()->removeFrames.
>
>
> Why is there 2 different things : TagLib::FileRef and TagLib::File
> for the same task (i.e. working with a file) ?
>
> When is it better to open a file with TagLib::MPEG::File f("foo.mp3")
> and when is it better to use TagLib::FileRef f("foo.mp3")    (like in
> the simple example in http://taglib.github.io/api/) ?
>
> Thanks in advance.
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