Comment 4 for bug 122979

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Sitsofe Wheeler (sitsofe) wrote : Re: Video playback gets buggy when Compiz is on

fenix:
XShm which is not accelerated by the video card can still be pretty fast (just at the expense of CPU). However you will tend to notice a certain blockiness when the video is scaled up. It is possible that is what you are ending up with.

I'm not quite sure why Bug #73471 was forward duped on to this one. It would have been better to back dup this on to #73471 (credit where it's due - the first person to report an issue should have their bug as the canonical one)... However since the deed is done it's not worth changing things.

I really would recommend that this bug be split into two though - one bug for Intel AIGLX users and the other for open source ATI AIGLX users (and perhaps a comment linking to the other to help people find the right bug). It is quite possible that one of the drivers will be fixed and the other won't before Gutsy is released.