for (int i = 0; i < doc->tracksCount(); ++i) {
TrackInfo info = doc->trackInfoAt(doc->tracksCount() - i - 1);
comboTracks->addItem(info.type == VIDEOTRACK ? videoIcon : audioIcon,
for (int i = 0; i < doc->tracksCount(); ++i) {
TrackInfo info = doc->trackInfoAt(doc->tracksCount() - i - 1);
comboTracks->addItem(info.type == VIDEOTRACK ? videoIcon : audioIcon,