TagLib usage by a buffer not a file

[Thomas CANIPEL (4SH France)]

Dear Nikhil,

 

I made a simple class extending from IOStream and then I am using it to
initialize an MPEG::FILE, in my case I correctly get the ID3v1 field, but
for a reason no ID3V2 frames seems to be created.

 

As I am correctly reading from my IOStream I am guessing that
ID3v2::FrameFactory is not yet able the create the framelist correctly from
the IOStream.

 

Is it planned to support it ? 

 

Kind regards

 

Thomas

 

 

== Code ==

TagLib::IOStream* stream  = new filestream(ba);

TagLib::ID3v2::FrameFactory *frameFactory =
TagLib::ID3v2::FrameFactory::instance();

TagLib::MPEG::File* filedebug =new
TagLib::MPEG::File(stream,frameFactory,true,TagLib::AudioProperties::Average
);

TagLib::FileRef* f = new TagLib::FileRef filedebug); 

cout << filedebug ->ID3v2Tag()->frameListMap().size() << endl; // = 0

 

 

 

 

De : taglib-devel-bounces at kde.org [mailto:taglib-devel-bounces at kde.org] De
la part de Nikhil Marathe
Envoyé : samedi 5 mai 2012 22:51
À : taglib-devel at kde.org
Objet : Re: TagLib usage by a buffer not a file

 

 

On Thu, May 3, 2012 at 6:37 PM, Thomas CANIPEL (4SH France)
<thomas.canipel at 4sh.fr> wrote:

Dear Members,

 

Is there a way  to use TagLib by passing a buffer ( representing the music)
rather than passing a file path ?

(in my case it’s a restricted case as it is only a ID3v2 Tag.

 

I am looking into the code, but I don’t know where to begin, should I
investigate the TagLib::ID3v2::Tag class ( but as to use it properly it
needs a TagLib::File* ..)  ?

 


Hi Thomas,

TagLib v1.8 (not yet released, see github master) supports IOStream. You can
extend the IOStream class to support your buffer and then TagLib will handle
it.

Nikhil 

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