FLV playback on Intel macs

Hi there,
I make a lot of flash-based cd-roms that contain FLVs using
progressive download. So far, this has worked really well, but when
I try the projector on a macbook pro, the playback is terrible!
They have all worked on power pc based macs and windows.
FLVs seem to work fine on the internet (using safari), so I'm
guessing the problem is only with projectors.
Does anyone know how to resolve this (without having to
install bootcamp)?
Many thanks in advance,
Paul

You can use ON2 VP6 codecs with something like f4v format instead of FLV but it's probably not going to be a huge improvement.
Unfortunately you're just dealing with the impossible situation. You want a computationally challenging feat accomplished on a very underpowered CPU. It's not going to happen. I still test primarily on an iPad locked in OS5.1 land and I get 60FPS fullscreen (1024x768) video using StageVideo.
If you really don't want your users to suffer you'll have to switch to StageVideo. You can use all your NetStream code. Just follow the second summary on StageVideo in this link:
http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/media/StageVideo. html
After you attach your NetStream you're just listening for different video events from StageVideoEvent.RENDER_STATE and your typical NetStream events.
To use StageVideo you should convert your videos to MP4. You'll get not only much better performance but much better compression and quality.

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