setPosition() for QMediaPlayer has no effect on small intervals.

[ealione]

Every time I drag the slider I set the position for the mediaPlayer at the sliders' current value. These are some characteristic examples in milliseconds

setting it at: 
3280
video is at: 
4004
setting it at: 
3397
video is at: 
4004
setting it at: 
3514
video is at: 
4004
setting it at: 
3631
video is at: 
4004

As you can see no matter how I move the slider the video remains where it is and ignores the setPosition() command. Only after I move the slider for a while the video will get updated to a new frame.

The thing though is that it is missing quite some frames in the meantime and I want greater precision.

Is there a way to achieve that?