QMediaPlaylist::CurrentItemOnce not producing the required result

[Allaye]

Am trying to set the playbackmode on my media player each one of them works well expect this code below


mpl->setPlaybackMode(QMediaPlaylist::CurrentItemInLoop) ;
mpl->setPlaybackMode(QMediaPlaylist::CurrentItemOnce);

it works but i cant use the next button it always play the current media it never movies to the next media if i press the next button any help please ... thanks