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How to enable and use writeback video pipeline in omap4

vikram shekhawat
Intellectual 365 points

Hi All,

I am working on a android project in which i need to capture frames continuously , i made changes in kernel and get overlays but not complete frame. Then i read data manual of omap4, and come to know about write-back pipeline. Write-back can capture complete frame as well as overlay. So to capture complete frame, how i enable this feature in kernel.

I read posts in which pepole are talking about /dev/videox nodes to capture overlay but in kernel 3.0.8 as well as in 3.8 i never seen any thing like this so if i need to capture complete frame  what should i need to do?

Thanks

Vikram