QT movies are driving me crazy

[Richard Gaskin]

Graham Samuel wrote:

>> Does the second player have its alwaysBuffer property set to true?
> 
> That was it! The alwaysBuffer has to be set to false! Why in the name
> of thunder is that?

Everything in computing is a set of tradeoffs.  In this case, it's a
tradeoff between performance and masking.  Masking is a computationally
intensive thing to do: QT needs to render each frame into a buffer to mask
it before blitting it to the screen.  Without the alwaysBuffer, QT seeks to
optimize performance by using the card as a projection screen of sorts,
blitting directly over whatever may be there.

-- 
 Richard Gaskin 
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