MPMoviePlayerContentPreloadDidFinishNotification not being posted/received

[yezaev]

My app plays a lot of short videos. Inevitably and randomly, after initializing a new MPMoviePlayerController instance with the URL to one of my videos, the MPMoviePlayerContentPreloadDidFinishNotification does not get posted, or at least isn't received by my app, even though I've subscribed to it. 9 times out of 10 is received, but sometimes it isn't. For awhile I was essentially polling my app to see if it had gotten the notification yet, and if not just manually starting the video. This caused problems though.

Does anyone have any idea why I might not receive these notifications? Many thanks in advance.

[mattjgalloway]

Look like there's a few people with that problem:
Twitter / ? Ralf Rottmann: Submitted the MPMoviePlaye ...

There's a couple of posts about it on Apple's discussion boards as well.