Clips don't play back - screen is white/blank.

Hey... can anyone help with this problem? I thought I'd try here before calling anyone. I don't know how this happened because I don't think I did anything or changed any settings. When I open up iMovie HD and record a clip and then try to play it back, the playback screen is white (blank). The marker at the bottom (i.e. the thing that shows what position the clip is in) moves forward normally, as if the clip is playing, but you see nothing. The still image of the clip shows up fine in the clips section on the right, but the actual clip won't play. HOWEVER, if I go to edit the clip, like add special effects or whatever, it WILL play while I'm messing around with the effects (though obviously the sound doesn't play). So I know the clip, y'know, isn't a figment of my imagination. :P
Anyone know what the **** this is about? Thanks, I'd really appreciate it.

(i.e. the thing that shows what position the clip is in) FFR this is the play head.
Yes, Apple can. First you need to tell them about it and report the bug.
Subject: I/O API. iMovie
http://www.apple.com/feedback/imovie.html
If you can confirm the Quartz effects as working please report this as a Bug in iMovie Feedback.
Notice below I did say preview. This is something that has stuck out as it is easily replicable and very odd.
"A glance across all the Apple boards and you can tie everything into this new API as it is the root. QT is a major part but I don't believe it is a problem other than being at a higher degree of accuracy tan in the past, i.e. the Quartz effects in iMovie preview fine.
So no it is not a figment of your imagination. Please report it.
Its all about the I/O API.
Thanks
W1

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