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authorJacopo Mondi <jacopo@jmondi.org>2020-07-01 12:08:42 +0200
committerJacopo Mondi <jacopo@jmondi.org>2020-08-03 11:16:17 +0200
commit968ab9bad0ed392b4c9917bcc5cb5dbf268e1918 (patch)
tree5d540e9e12f7ae203f75d16d9a2d419a7c55b669 /test/v4l2_videodevice
parentd6a9ff0239c7d22f9690080b64e33ee2c047457a (diff)
libcamera: ipu3: imgu: Calculate ImgU pipe configuration
Instrument the ImgU component to dynamically calculate the image manipulation pipeline intermediate sizes. To correctly configure the ImgU it is necessary to program the IF, BDS and GDC sizes, which are currently fixed to the input frame size. The procedure used to calculate the intermediate sizes has been ported from the pipe_config.py python script, available at: https://github.com/intel/intel-ipu3-pipecfg at revision: 61e83f2f7606 ("Add more information into README") Define two structures (ImgUDevice::Pipe and ImgUDevice::PipeConfig) to allow the pipeline handler to supply and retrieve configuration parameters from the ImgU. Finally, add a new operation to the ImgUDevice that calculates the pipe configuration parameters based on the requested input and output sizes. Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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