gistfile1.cpp

QString atom(
    "declare namespace atom = \"http://www.w3.org/2005/Atom\";\n"
    "declare namespace media = \"http://search.yahoo.com/mrss/\";\n"
    "doc($result)//atom:entry/media:group/media:player/@url/string()\n"
);

QXmlQuery query;
query.bindVariable("result", &buffer);
query.setQuery(atom);

QStringList results;
query.evaluateTo(&results);
foreach (QUrl result, results) {
    QString videoId = result.queryItemValue("v");
    QString videoImage = QString(YTIMG)
            .arg(qrand() % 3 + 1)
            .arg(videoId);

    Media media;
    media.setId(videoId);
    media.setImage(QUrl(videoImage));
}