How to limit the range of values for ipu-vdic output

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How to limit the range of values for ipu-vdic output

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linya
Contributor II

hardware: i.mx6q

software: yocto 3.14.28

The ITU-R BT656 specifies that the nominal
range for video should be restricted to values between 16 and
235 for luma and 16 and 240 for chroma. 

The values is out of the range after deInterlacing by IPU-VDIC.

How to control the  rang for IPU-VDIC output?

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joanxie
NXP TechSupport
NXP TechSupport

one can change it in the IPU source code, more detailed information, pls refer to the document as below:

https://community.nxp.com/docs/DOC-330441