core audio - Can MPMoviePlayerController have volume programatically adjusted? -

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i have mpmoveplayercontroller , custom slider (which not quite slider, has same purpose). considering "slider" can return float value need, how can change volume of played movie?

so far i'v tried hacking mpvolumeview programmatically set value, w/o success.

turns out

[[mpmusicplayercontroller applicationmusicplayer] setvolume:<insert float here>];

works sound in app, mpmovieplayercontroller, if it's using main audio session. o, works on device, not simulator. more info here: http://developer.apple.com/library/ios/#documentation/mediaplayer/reference/mpmusicplayercontroller_classreference/reference/reference.html


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