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    SubjectRe: [PATCH 2.4.5-ac12] New Sony Vaio Motion Eye camera driver
    > Yes. But, even if I know how to program the mchip to output to
    > the video bus, there is something missing to enable overlay
    > (either in the mchip or in the ati video driver).

    It could be using the YUV digital inputs to the ATI chip. It seems however
    also quite likely to me that windows is doing the following

    1. Issuing USB transfers which put the data into video ram overlay buffers
    (ie the DMA from the USB controller)

    2. Using the YUV overlay/expand hardware in the ATI card
    (see for X stuff for ATI for this)


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