Timecode in QMediaPlayer

Hello.
I'm developing tool to create subtitles. I have to get timecode not only frame number.Is it possible using QMediaPlayer? Very helpful would be also answer how to get FPS(MetaDate doesn't work).

Code:

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subtitletools::subtitletools()
{
    mplayer=new QMediaPlayer();
    vwidget=new QVideoWidget();
    vwidget->setAspectRatioMode(Qt::IgnoreAspectRatio);
    mplayer->setVideoOutput(vwidget);
    QString file=QFileDialog::getOpenFileName(this,"Otwórz plik");
    mplayer->setMedia(QUrl::fromLocalFile(file));
    mplayer->setVolume(100);
    mplayer->setPlaybackRate(1);
    mplayer->play();
}

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Ok,I have to read docs more carefully. Function: QMediaPlayer:: position() return not number of frame but time in milliseconds. But question about FPS is still active. :)