Example from TagLib mailing list

gistfile1.cpp

#include <iostream>

#include <mpegfile.h>
#include <id3v2tag.h>
#include <privateframe.h>

static void AddTag(const char * payload, const char * URL)
{
    TagLib::MPEG::File f(URL);
    TagLib::ID3v2::Tag *tag = f.ID3v2Tag();
    TagLib::ID3v2::PrivateFrame *frame = new TagLib::ID3v2::PrivateFrame ();
    TagLib::ByteVector v = TagLib::ByteVector::fromCString(payload, strlen(payload));
    frame->setOwner("xxxxxxxxxxxx");
    frame->setData(v);
    tag->addFrame(frame);
    f.save();
}

static void CheckFrameSize(const char * URL)
{
    TagLib::MPEG::File f(URL);
    TagLib::ID3v2::Tag *tag = f.ID3v2Tag();
    TagLib::ID3v2::FrameList frames = tag->frameList("PRIV");
    for(TagLib::ID3v2::FrameList::ConstIterator it = frames.begin();
        it != frames.end(); ++it)
    {
        std::cout << "PRIV Frame Size: " << (*it)->size() << std::endl;
    }
}


int main(int argc, const char *argv[])
{
    for(int i = 1; i < argc; i++)
    {
        const char *file = argv[i];
        std::cout << "=== " << file << " ===" << std::endl;
        AddTag("foobar", file);
        CheckFrameSize(file);
    }
}