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Re: iBook and playing DVDs



> 
>> That is you should have at least 2 buffers so you can asynchronously
>> DMA a frame while decoding the next frame. It makes only sense to busy
>> loop on the DMA if you are decoding faster than what you display. If this
>> is not the case, then you are just throwing CPU cycles by the window.
>> 
>> The whole point of DMA is for the CPU to do something else while the
>> ATI chip is doing the transfer.
>
>The problem is that the XVideo extension is very simple (it was
>basically designed to display single images with colorspace conversion
>and scaling, nothing more), so if this scheme is possible at all with
>it, the app will have to do the hard work.

Doesn't xv support double buffer ?

>Things are probably better with XvMC.



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