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LogiCORE IP Video On Screen Display (OSD) - Why are Operations Limited to Even Pixel Boundaries when using the OSD in 2 Channel Mode?
Why are operations limited to even pixel boundaries when using the OSD in 2 channel mode?
When the Video On Screen Display (OSD) is used in 2 channel mode for YUV-4:2:2 systems, operations are limited to even horizontal pixel boundaries.
This is done in order to avoid color boundary artifacts.
Please see (Xilinx Answer 33257) for a detailed list of LogiCORE IP Video On Screen Display Release Notes and Known Issues.